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73
.github/workflows/rhai-tests.yml vendored
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@ -1,73 +0,0 @@
name: Rhai Tests
on:
push:
branches: [ '*' ]
paths:
- 'src/rhai_tests/**'
- 'src/rhai/**'
- 'src/git/**'
- 'src/os/**'
- 'run_rhai_tests.sh'
- '.github/workflows/rhai-tests.yml'
pull_request:
branches: [ '*' ]
paths:
- 'src/rhai_tests/**'
- 'src/rhai/**'
- 'src/git/**'
- 'src/os/**'
- 'run_rhai_tests.sh'
- '.github/workflows/rhai-tests.yml'
workflow_dispatch: # Allow manual triggering
jobs:
rhai-tests:
name: Run Rhai Tests
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v3
- name: Set up Rust
uses: actions-rs/toolchain@v1
with:
toolchain: stable
override: true
- name: Cache Rust dependencies
uses: actions/cache@v3
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
restore-keys: |
${{ runner.os }}-cargo-
- name: Build herodo
run: |
cargo build --bin herodo
echo "${{ github.workspace }}/target/debug" >> $GITHUB_PATH
- name: Install dependencies
run: |
sudo apt-get update
sudo apt-get install -y git curl
- name: Run Rhai tests
run: |
chmod +x run_rhai_tests.sh
./run_rhai_tests.sh
- name: Check for test failures
run: |
if grep -q "Some tests failed" run_rhai_tests.log; then
echo "::error::Some Rhai tests failed. Check the logs for details."
exit 1
else
echo "All Rhai tests passed!"
fi
if: always()

8
.gitignore vendored
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@ -19,11 +19,3 @@ Cargo.lock
# Added by cargo
/target
/rhai_test_template
/rhai_test_download
/rhai_test_fs
run_rhai_tests.log
new_location
log.txt
file.txt
fix_doc*

39
Cargo.toml
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@ -11,44 +11,25 @@ categories = ["os", "filesystem", "api-bindings"]
readme = "README.md"
[dependencies]
tera = "1.19.0" # Template engine for text rendering
# Cross-platform functionality
libc = "0.2"
cfg-if = "1.0"
thiserror = "1.0" # For error handling
redis = "0.22.0" # Redis client
postgres = "0.19.4" # PostgreSQL client
tokio-postgres = "0.7.8" # Async PostgreSQL client
postgres-types = "0.2.5" # PostgreSQL type conversions
thiserror = "1.0" # For error handling
redis = "0.22.0" # Redis client
lazy_static = "1.4.0" # For lazy initialization of static variables
regex = "1.8.1" # For regex pattern matching
serde = { version = "1.0", features = [
"derive",
] } # For serialization/deserialization
regex = "1.8.1" # For regex pattern matching
serde = { version = "1.0", features = ["derive"] } # For serialization/deserialization
serde_json = "1.0" # For JSON handling
glob = "0.3.1" # For file pattern matching
tempfile = "3.5" # For temporary file operations
log = "0.4" # Logging facade
rhai = { version = "1.12.0", features = ["sync"] } # Embedded scripting language
rand = "0.8.5" # Random number generation
clap = "2.33" # Command-line argument parsing
r2d2 = "0.8.10"
r2d2_postgres = "0.18.2"
glob = "0.3.1" # For file pattern matching
tempfile = "3.5" # For temporary file operations
log = "0.4" # Logging facade
# Optional features for specific OS functionality
[target.'cfg(unix)'.dependencies]
nix = "0.26" # Unix-specific functionality
nix = "0.26" # Unix-specific functionality
[target.'cfg(windows)'.dependencies]
windows = { version = "0.48", features = [
"Win32_Foundation",
"Win32_System_Threading",
"Win32_Storage_FileSystem",
] }
windows = { version = "0.48", features = ["Win32_Foundation", "Win32_System_Threading", "Win32_Storage_FileSystem"] }
[dev-dependencies]
tempfile = "3.5" # For tests that need temporary files/directories
[[bin]]
name = "herodo"
path = "src/bin/herodo.rs"
tempfile = "3.5" # For tests that need temporary files/directories

156
aiprompts/builderparadigm.md
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@ -1,156 +0,0 @@
please refactor each of the objects in the the chosen folder to use builder paradigm, see below for an example
we always start from root object, each file e.g. product.rs corresponds to a root object, the rootobject is what is stored in the DB, the rest are sub objects which are children of the root object
---
### ✅ Step 1: Define your struct
```rust
#[derive(Debug)]
pub enum ProductType {
Service,
// Other variants...
}
#[derive(Debug)]
pub enum ProductStatus {
Available,
Unavailable,
// Other variants...
}
#[derive(Debug)]
pub struct Product {
id: u32,
name: String,
description: String,
price: f64,
product_type: ProductType,
category: String,
status: ProductStatus,
max_amount: u32,
validity_days: u32,
}
```
---
### ✅ Step 2: Create a builder
```rust
pub struct ProductBuilder {
id: Option<u32>,
name: Option<String>,
description: Option<String>,
price: Option<f64>,
product_type: Option<ProductType>,
category: Option<String>,
status: Option<ProductStatus>,
max_amount: Option<u32>,
validity_days: Option<u32>,
}
impl ProductBuilder {
pub fn new() -> Self {
Self {
id: None,
name: None,
description: None,
price: None,
product_type: None,
category: None,
status: None,
max_amount: None,
validity_days: None,
}
}
pub fn id(mut self, id: u32) -> Self {
self.id = Some(id);
self
}
pub fn name<S: Into<String>>(mut self, name: S) -> Self {
self.name = Some(name.into());
self
}
pub fn description<S: Into<String>>(mut self, description: S) -> Self {
self.description = Some(description.into());
self
}
pub fn price(mut self, price: f64) -> Self {
self.price = Some(price);
self
}
pub fn product_type(mut self, product_type: ProductType) -> Self {
self.product_type = Some(product_type);
self
}
pub fn category<S: Into<String>>(mut self, category: S) -> Self {
self.category = Some(category.into());
self
}
pub fn status(mut self, status: ProductStatus) -> Self {
self.status = Some(status);
self
}
pub fn max_amount(mut self, max_amount: u32) -> Self {
self.max_amount = Some(max_amount);
self
}
pub fn validity_days(mut self, validity_days: u32) -> Self {
self.validity_days = Some(validity_days);
self
}
pub fn build(self) -> Result<Product, &'static str> {
Ok(Product {
id: self.id.ok_or("id is required")?,
name: self.name.ok_or("name is required")?,
description: self.description.ok_or("description is required")?,
price: self.price.ok_or("price is required")?,
product_type: self.product_type.ok_or("type is required")?,
category: self.category.ok_or("category is required")?,
status: self.status.ok_or("status is required")?,
max_amount: self.max_amount.ok_or("max_amount is required")?,
validity_days: self.validity_days.ok_or("validity_days is required")?,
})
}
}
```
---
### ✅ Step 3: Use it like this
```rust
let product = ProductBuilder::new()
.id(1)
.name("Premium Service")
.description("Our premium service offering")
.price(99.99)
.product_type(ProductType::Service)
.category("Services")
.status(ProductStatus::Available)
.max_amount(100)
.validity_days(30)
.build()
.expect("Failed to build product");
```
---
This way:
- You don’t need to remember the order of parameters.
- You get readable, self-documenting code.
- It’s easier to provide defaults or optional values if you want later.
Want help generating this automatically via a macro or just want it shorter? I can show you a derive macro to do that too.

994
aiprompts/rhaiwrapping.md
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@ -1,994 +0,0 @@
# Best Practices for Wrapping Rust Functions with Rhai
This document provides comprehensive guidance on how to effectively wrap Rust functions with different standard arguments, pass structs, and handle various return types including errors when using the Rhai scripting language.
## Table of Contents
1. [Introduction](#introduction)
2. [Basic Function Registration](#basic-function-registration)
3. [Working with Different Argument Types](#working-with-different-argument-types)
4. [Passing and Working with Structs](#passing-and-working-with-structs)
5. [Error Handling](#error-handling)
6. [Returning Different Types](#returning-different-types)
7. [Native Function Handling](#native-function-handling)
8. [Advanced Patterns](#advanced-patterns)
9. [Complete Examples](#complete-examples)
## Introduction
Rhai is an embedded scripting language for Rust that allows you to expose Rust functions to scripts and vice versa. This document focuses on the best practices for wrapping Rust functions so they can be called from Rhai scripts, with special attention to handling different argument types, structs, and error conditions.
## Basic Function Registration
### Simple Function Registration
The most basic way to register a Rust function with Rhai is using the `register_fn` method:
```rust
fn add(x: i64, y: i64) -> i64 {
x + y
}
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
// Register the function with Rhai
engine.register_fn("add", add);
// Now the function can be called from Rhai scripts
let result = engine.eval::<i64>("add(40, 2)")?;
println!("Result: {}", result); // prints 42
Ok(())
}
```
### Function Naming Conventions
When registering functions, follow these naming conventions:
1. Use snake_case for function names to maintain consistency with Rhai's style
2. Choose descriptive names that clearly indicate the function's purpose
3. For functions that operate on specific types, consider prefixing with the type name (e.g., `string_length`)
## Working with Different Argument Types
### Primitive Types
Rhai supports the following primitive types that can be directly used as function arguments:
- `i64` (integer)
- `f64` (float)
- `bool` (boolean)
- `String` or `&str` (string)
- `char` (character)
- `()` (unit type)
Example:
```rust
fn calculate(num: i64, factor: f64, enabled: bool) -> f64 {
if enabled {
num as f64 * factor
} else {
0.0
}
}
engine.register_fn("calculate", calculate);
```
### Arrays and Collections
For array arguments:
```rust
fn sum_array(arr: Array) -> i64 {
arr.iter()
.filter_map(|v| v.as_int().ok())
.sum()
}
engine.register_fn("sum_array", sum_array);
```
### Optional Arguments and Function Overloading
Rhai supports function overloading, which allows you to register multiple functions with the same name but different parameter types or counts:
```rust
fn greet(name: &str) -> String {
format!("Hello, {}!", name)
}
fn greet_with_title(title: &str, name: &str) -> String {
format!("Hello, {} {}!", title, name)
}
engine.register_fn("greet", greet);
engine.register_fn("greet", greet_with_title);
// In Rhai:
// greet("World") -> "Hello, World!"
// greet("Mr.", "Smith") -> "Hello, Mr. Smith!"
```
## Passing and Working with Structs
### Registering Custom Types
To use Rust structs in Rhai, you need to register them:
#### Method 1: Using the CustomType Trait (Recommended)
```rust
#[derive(Debug, Clone, CustomType)]
#[rhai_type(extra = Self::build_extra)]
struct TestStruct {
x: i64,
}
impl TestStruct {
pub fn new() -> Self {
Self { x: 1 }
}
pub fn update(&mut self) {
self.x += 1000;
}
pub fn calculate(&mut self, data: i64) -> i64 {
self.x * data
}
fn build_extra(builder: &mut TypeBuilder<Self>) {
builder
.with_name("TestStruct")
.with_fn("new_ts", Self::new)
.with_fn("update", Self::update)
.with_fn("calc", Self::calculate);
}
}
// In your main function:
let mut engine = Engine::new();
engine.build_type::<TestStruct>();
```
#### Method 2: Manual Registration
```rust
#[derive(Debug, Clone)]
struct TestStruct {
x: i64,
}
impl TestStruct {
pub fn new() -> Self {
Self { x: 1 }
}
pub fn update(&mut self) {
self.x += 1000;
}
}
let mut engine = Engine::new();
engine
.register_type_with_name::<TestStruct>("TestStruct")
.register_fn("new_ts", TestStruct::new)
.register_fn("update", TestStruct::update);
```
### Accessing Struct Fields
By default, Rhai can access public fields of registered structs:
```rust
// In Rhai script:
let x = new_ts();
x.x = 42; // Direct field access
```
### Passing Structs as Arguments
When passing structs as arguments to functions, ensure they implement the `Clone` trait:
```rust
fn process_struct(test: TestStruct) -> i64 {
test.x * 2
}
engine.register_fn("process_struct", process_struct);
```
### Returning Structs from Functions
You can return custom structs from functions:
```rust
fn create_struct(value: i64) -> TestStruct {
TestStruct { x: value }
}
engine.register_fn("create_struct", create_struct);
```
## Error Handling
Error handling is a critical aspect of integrating Rust functions with Rhai. Proper error handling ensures that script execution fails gracefully with meaningful error messages.
### Basic Error Handling
The most basic way to handle errors is to return a `Result` type:
```rust
fn divide(a: i64, b: i64) -> Result<i64, Box<EvalAltResult>> {
if b == 0 {
// Return an error if division by zero
Err("Division by zero".into())
} else {
Ok(a / b)
}
}
engine.register_fn("divide", divide);
```
### EvalAltResult Types
Rhai provides several error types through the `EvalAltResult` enum:
```rust
use rhai::EvalAltResult;
use rhai::Position;
fn my_function() -> Result<i64, Box<EvalAltResult>> {
// Different error types
// Runtime error - general purpose error
return Err(Box::new(EvalAltResult::ErrorRuntime(
"Something went wrong".into(),
Position::NONE
)));
// Type error - when a type mismatch occurs
return Err(Box::new(EvalAltResult::ErrorMismatchOutputType(
"expected i64, got string".into(),
Position::NONE,
"i64".into()
)));
// Function not found error
return Err(Box::new(EvalAltResult::ErrorFunctionNotFound(
"function_name".into(),
Position::NONE
)));
}
```
### Custom Error Types
For more structured error handling, you can create custom error types:
```rust
use thiserror::Error;
use rhai::{EvalAltResult, Position};
#[derive(Error, Debug)]
enum MyError {
#[error("Invalid input: {0}")]
InvalidInput(String),
#[error("Calculation error: {0}")]
CalculationError(String),
#[error("Database error: {0}")]
DatabaseError(String),
}
// Convert your custom error to EvalAltResult
fn process_data(input: i64) -> Result<i64, Box<EvalAltResult>> {
// Your logic here that might return a custom error
let result = validate_input(input)
.map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
format!("Validation failed: {}", e),
Position::NONE
)))?;
let processed = calculate(result)
.map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
format!("Calculation failed: {}", e),
Position::NONE
)))?;
if processed < 0 {
return Err(Box::new(EvalAltResult::ErrorRuntime(
"Negative result not allowed".into(),
Position::NONE
)));
}
Ok(processed)
}
// Helper functions that return our custom error type
fn validate_input(input: i64) -> Result<i64, MyError> {
if input <= 0 {
return Err(MyError::InvalidInput("Input must be positive".into()));
}
Ok(input)
}
fn calculate(value: i64) -> Result<i64, MyError> {
if value > 1000 {
return Err(MyError::CalculationError("Value too large".into()));
}
Ok(value * 2)
}
```
### Error Propagation
When calling Rhai functions from Rust, errors are propagated through the `?` operator:
```rust
let result = engine.eval::<i64>("divide(10, 0)")?; // This will propagate the error
```
### Error Context and Position Information
For better debugging, include position information in your errors:
```rust
fn parse_config(config: &str) -> Result<Map, Box<EvalAltResult>> {
// Get the call position from the context
let pos = Position::NONE; // In a real function, you'd get this from NativeCallContext
match serde_json::from_str::<serde_json::Value>(config) {
Ok(json) => {
// Convert JSON to Rhai Map
let mut map = Map::new();
// ... conversion logic ...
Ok(map)
},
Err(e) => {
Err(Box::new(EvalAltResult::ErrorRuntime(
format!("Failed to parse config: {}", e),
pos
)))
}
}
}
```
### Best Practices for Error Handling
1. **Be Specific**: Provide clear, specific error messages that help script writers understand what went wrong
2. **Include Context**: When possible, include relevant context in error messages (e.g., variable values, expected types)
3. **Consistent Error Types**: Use consistent error types for similar issues
4. **Validate Early**: Validate inputs at the beginning of functions to fail fast
5. **Document Error Conditions**: Document possible error conditions for functions exposed to Rhai
## Returning Different Types
Properly handling return types is crucial for creating a seamless integration between Rust and Rhai. This section covers various approaches to returning different types of data from Rust functions to Rhai scripts.
### Simple Return Types
For simple return types, specify the type when registering the function:
```rust
fn get_number() -> i64 { 42 }
fn get_string() -> String { "hello".to_string() }
fn get_boolean() -> bool { true }
fn get_float() -> f64 { 3.14159 }
fn get_char() -> char { 'A' }
fn get_unit() -> () { () }
engine.register_fn("get_number", get_number);
engine.register_fn("get_string", get_string);
engine.register_fn("get_boolean", get_boolean);
engine.register_fn("get_float", get_float);
engine.register_fn("get_char", get_char);
engine.register_fn("get_unit", get_unit);
```
### Dynamic Return Types
WE SHOULD TRY NOT TO DO THIS
For functions that may return different types based on conditions, use the `Dynamic` type:
```rust
fn get_value(which: i64) -> Dynamic {
match which {
0 => Dynamic::from(42),
1 => Dynamic::from("hello"),
2 => Dynamic::from(true),
3 => Dynamic::from(3.14159),
4 => {
let mut array = Array::new();
array.push(Dynamic::from(1));
array.push(Dynamic::from(2));
Dynamic::from_array(array)
},
5 => {
let mut map = Map::new();
map.insert("key".into(), "value".into());
Dynamic::from_map(map)
},
_ => Dynamic::UNIT,
}
}
engine.register_fn("get_value", get_value);
```
### Returning Collections
Rhai supports various collection types:
```rust
// Returning an array
fn get_array() -> Array {
let mut array = Array::new();
array.push(Dynamic::from(1));
array.push(Dynamic::from("hello"));
array.push(Dynamic::from(true));
array
}
// Returning a map
fn get_map() -> Map {
let mut map = Map::new();
map.insert("number".into(), 42.into());
map.insert("string".into(), "hello".into());
map.insert("boolean".into(), true.into());
map
}
// Returning a typed Vec (will be converted to Rhai Array)
fn get_numbers() -> Vec<i64> {
vec![1, 2, 3, 4, 5]
}
// Returning a HashMap (will be converted to Rhai Map)
fn get_config() -> HashMap<String, String> {
let mut map = HashMap::new();
map.insert("host".to_string(), "localhost".to_string());
map.insert("port".to_string(), "8080".to_string());
map
}
engine.register_fn("get_array", get_array);
engine.register_fn("get_map", get_map);
engine.register_fn("get_numbers", get_numbers);
engine.register_fn("get_config", get_config);
```
### Returning Custom Structs
For returning custom structs, ensure they implement the `Clone` trait:
```rust
#[derive(Debug, Clone)]
struct TestStruct {
x: i64,
name: String,
active: bool,
}
fn create_struct(value: i64, name: &str, active: bool) -> TestStruct {
TestStruct {
x: value,
name: name.to_string(),
active
}
}
fn get_struct_array() -> Vec<TestStruct> {
vec![
TestStruct { x: 1, name: "one".to_string(), active: true },
TestStruct { x: 2, name: "two".to_string(), active: false },
]
}
engine.register_type_with_name::<TestStruct>("TestStruct")
.register_fn("create_struct", create_struct)
.register_fn("get_struct_array", get_struct_array);
```
### Returning Results and Options
For functions that might fail or return optional values:
```rust
// Returning a Result
fn divide(a: i64, b: i64) -> Result<i64, Box<EvalAltResult>> {
if b == 0 {
Err("Division by zero".into())
} else {
Ok(a / b)
}
}
// Returning an Option (converted to Dynamic)
fn find_item(id: i64) -> Dynamic {
let item = lookup_item(id);
match item {
Some(value) => value.into(),
None => Dynamic::UNIT, // Rhai has no null, so use () for None
}
}
// Helper function returning Option
fn lookup_item(id: i64) -> Option<TestStruct> {
match id {
1 => Some(TestStruct { x: 1, name: "one".to_string(), active: true }),
2 => Some(TestStruct { x: 2, name: "two".to_string(), active: false }),
_ => None,
}
}
engine.register_fn("divide", divide);
engine.register_fn("find_item", find_item);
```
### Serialization and Deserialization
When working with JSON or other serialized formats:
```rust
use serde_json::{Value as JsonValue, json};
// Return JSON data as a Rhai Map
fn get_json_data() -> Result<Map, Box<EvalAltResult>> {
// Simulate fetching JSON data
let json_data = json!({
"name": "John Doe",
"age": 30,
"address": {
"street": "123 Main St",
"city": "Anytown"
},
"phones": ["+1-555-1234", "+1-555-5678"]
});
// Convert JSON to Rhai Map
json_to_rhai_value(json_data)
.and_then(|v| v.try_cast::<Map>().map_err(|_| "Expected a map".into()))
}
// Helper function to convert JSON Value to Rhai Dynamic
fn json_to_rhai_value(json: JsonValue) -> Result<Dynamic, Box<EvalAltResult>> {
match json {
JsonValue::Null => Ok(Dynamic::UNIT),
JsonValue::Bool(b) => Ok(b.into()),
JsonValue::Number(n) => {
if n.is_i64() {
Ok(n.as_i64().unwrap().into())
} else {
Ok(n.as_f64().unwrap().into())
}
},
JsonValue::String(s) => Ok(s.into()),
JsonValue::Array(arr) => {
let mut rhai_array = Array::new();
for item in arr {
rhai_array.push(json_to_rhai_value(item)?);
}
Ok(Dynamic::from_array(rhai_array))
},
JsonValue::Object(obj) => {
let mut rhai_map = Map::new();
for (k, v) in obj {
rhai_map.insert(k.into(), json_to_rhai_value(v)?);
}
Ok(Dynamic::from_map(rhai_map))
}
}
}
engine.register_fn("get_json_data", get_json_data);
```
### Working with Dynamic Type System
Understanding how to work with Rhai's Dynamic type system is essential:
```rust
// Function that examines a Dynamic value and returns information about it
fn inspect_value(value: Dynamic) -> Map {
let mut info = Map::new();
// Store the type name
info.insert("type".into(), value.type_name().into());
// Store specific type information
if value.is_int() {
info.insert("category".into(), "number".into());
info.insert("value".into(), value.clone());
} else if value.is_float() {
info.insert("category".into(), "number".into());
info.insert("value".into(), value.clone());
} else if value.is_string() {
info.insert("category".into(), "string".into());
info.insert("length".into(), value.clone_cast::<String>().len().into());
info.insert("value".into(), value.clone());
} else if value.is_array() {
info.insert("category".into(), "array".into());
info.insert("length".into(), value.clone_cast::<Array>().len().into());
} else if value.is_map() {
info.insert("category".into(), "map".into());
info.insert("keys".into(), value.clone_cast::<Map>().keys().len().into());
} else if value.is_bool() {
info.insert("category".into(), "boolean".into());
info.insert("value".into(), value.clone());
} else {
info.insert("category".into(), "other".into());
}
info
}
engine.register_fn("inspect", inspect_value);
```
## Native Function Handling
When working with native Rust functions in Rhai, there are several important considerations for handling different argument types, especially when dealing with complex data structures and error cases.
### Native Function Signature
Native Rust functions registered with Rhai can have one of two signatures:
1. **Standard Function Signature**: Functions with typed parameters
```rust
fn my_function(param1: Type1, param2: Type2, ...) -> ReturnType { ... }
```
2. **Dynamic Function Signature**: Functions that handle raw Dynamic values
```rust
fn my_dynamic_function(context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> { ... }
```
### Working with Raw Dynamic Arguments
The dynamic function signature gives you more control but requires manual type checking and conversion:
```rust
fn process_dynamic_args(context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
// Check number of arguments
if args.len() != 2 {
return Err("Expected exactly 2 arguments".into());
}
// Extract and convert the first argument to an integer
let arg1 = args[0].as_int().map_err(|_| "First argument must be an integer".into())?;
// Extract and convert the second argument to a string
let arg2 = args[1].as_str().map_err(|_| "Second argument must be a string".into())?;
// Process the arguments
let result = format!("{}: {}", arg2, arg1);
// Return the result as a Dynamic value
Ok(result.into())
}
// Register the function
engine.register_fn("process", process_dynamic_args);
```
### Handling Complex Struct Arguments
When working with complex struct arguments, you have several options:
#### Option 1: Use typed parameters (recommended for simple cases)
```rust
#[derive(Clone)]
struct ComplexData {
id: i64,
values: Vec<f64>,
}
fn process_complex(data: &mut ComplexData, factor: f64) -> f64 {
let sum: f64 = data.values.iter().sum();
data.values.push(sum * factor);
sum * factor
}
engine.register_fn("process_complex", process_complex);
```
#### Option 2: Use Dynamic parameters for more flexibility
```rust
fn process_complex_dynamic(context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
// Check arguments
if args.len() != 2 {
return Err("Expected exactly 2 arguments".into());
}
// Get mutable reference to the complex data
let data = args[0].write_lock::<ComplexData>()
.ok_or_else(|| "First argument must be ComplexData".into())?;
// Get the factor
let factor = args[1].as_float().map_err(|_| "Second argument must be a number".into())?;
// Process the data
let sum: f64 = data.values.iter().sum();
data.values.push(sum * factor);
Ok((sum * factor).into())
}
```
### Handling Variable Arguments
For functions that accept a variable number of arguments:
```rust
fn sum_all(context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
let mut total: i64 = 0;
for arg in args.iter() {
total += arg.as_int().map_err(|_| "All arguments must be integers".into())?;
}
Ok(total.into())
}
engine.register_fn("sum_all", sum_all);
// In Rhai:
// sum_all(1, 2, 3, 4, 5) -> 15
// sum_all(10, 20) -> 30
```
### Handling Optional Arguments
For functions with optional arguments, use function overloading:
```rust
fn create_person(name: &str) -> Person {
Person { name: name.to_string(), age: 30 } // Default age
}
fn create_person_with_age(name: &str, age: i64) -> Person {
Person { name: name.to_string(), age }
}
engine.register_fn("create_person", create_person);
engine.register_fn("create_person", create_person_with_age);
// In Rhai:
// create_person("John") -> Person with name "John" and age 30
// create_person("John", 25) -> Person with name "John" and age 25
```
### Handling Default Arguments
Rhai doesn't directly support default arguments, but you can simulate them:
```rust
fn configure(options: &mut Map) -> Result<(), Box<EvalAltResult>> {
// Check if certain options exist, if not, set defaults
if !options.contains_key("timeout") {
options.insert("timeout".into(), 30_i64.into());
}
if !options.contains_key("retry") {
options.insert("retry".into(), true.into());
}
Ok(())
}
engine.register_fn("configure", configure);
// In Rhai:
// let options = #{};
// configure(options);
// print(options.timeout); // Prints 30
```
### Handling Mutable and Immutable References
Rhai supports both mutable and immutable references:
```rust
// Function taking an immutable reference
fn get_name(person: &Person) -> String {
person.name.clone()
}
// Function taking a mutable reference
fn increment_age(person: &mut Person) {
person.age += 1;
}
engine.register_fn("get_name", get_name);
engine.register_fn("increment_age", increment_age);
```
### Converting Between Rust and Rhai Types
When you need to convert between Rust and Rhai types:
```rust
// Convert a Rust HashMap to a Rhai Map
fn create_config() -> Map {
let mut rust_map = HashMap::new();
rust_map.insert("server".to_string(), "localhost".to_string());
rust_map.insert("port".to_string(), "8080".to_string());
// Convert to Rhai Map
let mut rhai_map = Map::new();
for (k, v) in rust_map {
rhai_map.insert(k.into(), v.into());
}
rhai_map
}
// Convert a Rhai Array to a Rust Vec
fn process_array(arr: Array) -> Result<i64, Box<EvalAltResult>> {
// Convert to Rust Vec<i64>
let rust_vec: Result<Vec<i64>, _> = arr.iter()
.map(|v| v.as_int().map_err(|_| "Array must contain only integers".into()))
.collect();
let numbers = rust_vec?;
Ok(numbers.iter().sum())
}
```
## Complete Examples
### Example 1: Basic Function Registration and Struct Handling
```rust
use rhai::{Engine, EvalAltResult, RegisterFn};
#[derive(Debug, Clone)]
struct Person {
name: String,
age: i64,
}
impl Person {
fn new(name: &str, age: i64) -> Self {
Self {
name: name.to_string(),
age,
}
}
fn greet(&self) -> String {
format!("Hello, my name is {} and I am {} years old.", self.name, self.age)
}
fn have_birthday(&mut self) {
self.age += 1;
}
}
fn is_adult(person: &Person) -> bool {
person.age >= 18
}
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
// Register the Person type
engine
.register_type_with_name::<Person>("Person")
.register_fn("new_person", Person::new)
.register_fn("greet", Person::greet)
.register_fn("have_birthday", Person::have_birthday)
.register_fn("is_adult", is_adult);
// Run a script that uses the Person type
let result = engine.eval::<String>(r#"
let p = new_person("John", 17);
let greeting = p.greet();
if !is_adult(p) {
p.have_birthday();
}
greeting + " Now I am " + p.age.to_string() + " years old."
"#)?;
println!("{}", result);
Ok(())
}
```
### Example 2: Error Handling and Complex Return Types
```rust
use rhai::{Engine, EvalAltResult, Map, Dynamic};
use std::collections::HashMap;
#[derive(Debug, Clone)]
struct Product {
id: i64,
name: String,
price: f64,
}
fn get_product(id: i64) -> Result<Product, Box<EvalAltResult>> {
match id {
1 => Ok(Product { id: 1, name: "Laptop".to_string(), price: 999.99 }),
2 => Ok(Product { id: 2, name: "Phone".to_string(), price: 499.99 }),
_ => Err("Product not found".into())
}
}
fn calculate_total(products: Array) -> Result<f64, Box<EvalAltResult>> {
let mut total = 0.0;
for product_dynamic in products.iter() {
let product = product_dynamic.clone().try_cast::<Product>()
.map_err(|_| "Invalid product in array".into())?;
total += product.price;
}
Ok(total)
}
fn get_product_map() -> Map {
let mut map = Map::new();
map.insert("laptop".into(),
Dynamic::from(Product { id: 1, name: "Laptop".to_string(), price: 999.99 }));
map.insert("phone".into(),
Dynamic::from(Product { id: 2, name: "Phone".to_string(), price: 499.99 }));
map
}
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
engine
.register_type_with_name::<Product>("Product")
.register_fn("get_product", get_product)
.register_fn("calculate_total", calculate_total)
.register_fn("get_product_map", get_product_map);
let result = engine.eval::<f64>(r#"
let products = [];
// Try to get products
try {
products.push(get_product(1));
products.push(get_product(2));
products.push(get_product(3)); // This will throw an error
} catch(err) {
print(`Error: ${err}`);
}
// Get products from map
let product_map = get_product_map();
products.push(product_map.laptop);
calculate_total(products)
"#)?;
println!("Total: ${:.2}", result);
Ok(())
}
```

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### Error Handling in Dynamic Functions
When working with the dynamic function signature, error handling is slightly different:
```rust
fn dynamic_function(ctx: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
// Get the position information from the context
let pos = ctx.position();
// Validate arguments
if args.len() < 2 {
return Err(Box::new(EvalAltResult::ErrorRuntime(
format!("Expected at least 2 arguments, got {}", args.len()),
pos
)));
}
// Try to convert arguments with proper error handling
let arg1 = match args[0].as_int() {
Ok(val) => val,
Err(_) => return Err(Box::new(EvalAltResult::ErrorMismatchOutputType(
"Expected first argument to be an integer".into(),
pos,
"i64".into()
)))
};
// Process with error handling
if arg1 <= 0 {
return Err(Box::new(EvalAltResult::ErrorRuntime(
"First argument must be positive".into(),
pos
)));
}
// Return success
Ok(Dynamic::from(arg1 * 2))
}
```
## Advanced Patterns
### Working with Function Pointers
You can create function pointers that bind to Rust functions:
```rust
fn my_awesome_fn(ctx: NativeCallContext, args: &mut[&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
// Check number of arguments
if args.len() != 2 {
return Err("one argument is required, plus the object".into());
}
// Get call arguments
let x = args[1].try_cast::<i64>().map_err(|_| "argument must be an integer".into())?;
// Get mutable reference to the object map, which is passed as the first argument
let map = &mut *args[0].as_map_mut().map_err(|_| "object must be a map".into())?;
// Do something awesome here ...
let result = x * 2;
Ok(result.into())
}
// Register a function to create a pre-defined object
engine.register_fn("create_awesome_object", || {
// Use an object map as base
let mut map = Map::new();
// Create a function pointer that binds to 'my_awesome_fn'
let fp = FnPtr::from_fn("awesome", my_awesome_fn)?;
// ^ name of method
// ^ native function
// Store the function pointer in the object map
map.insert("awesome".into(), fp.into());
Ok(Dynamic::from_map(map))
});
```
### Creating Rust Closures from Rhai Functions
You can encapsulate a Rhai script as a Rust closure:
```rust
use rhai::{Engine, Func};
let engine = Engine::new();
let script = "fn calc(x, y) { x + y.len < 42 }";
// Create a Rust closure from a Rhai function
let func = Func::<(i64, &str), bool>::create_from_script(
engine, // the 'Engine' is consumed into the closure
script, // the script
"calc" // the entry-point function name
)?;
// Call the closure
let result = func(123, "hello")?;
// Pass it as a callback to another function
schedule_callback(func);
```
### Calling Rhai Functions from Rust
You can call Rhai functions from Rust:
```rust
// Compile the script to AST
let ast = engine.compile(script)?;
// Create a custom 'Scope'
let mut scope = Scope::new();
// Add variables to the scope
scope.push("my_var", 42_i64);
scope.push("my_string", "hello, world!");
scope.push_constant("MY_CONST", true);
// Call a function defined in the script
let result = engine.call_fn::<i64>(&mut scope, &ast, "hello", ("abc", 123_i64))?;
// For a function with one parameter, use a tuple with a trailing comma
let result = engine.call_fn::<i64>(&mut scope, &ast, "hello", (123_i64,))?;
// For a function with no parameters
let result = engine.call_fn::<i64>(&mut scope, &ast, "hello", ())?;
```

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## Best Practices and Optimization
When wrapping Rust functions for use with Rhai, following these best practices will help you create efficient, maintainable, and robust code.
### Performance Considerations
1. **Minimize Cloning**: Rhai often requires cloning data, but you can minimize this overhead:
```rust
// Prefer immutable references when possible
fn process_data(data: &MyStruct) -> i64 {
// Work with data without cloning
data.value * 2
}
// Use mutable references for in-place modifications
fn update_data(data: &mut MyStruct) {
data.value += 1;
}
```
2. **Avoid Excessive Type Conversions**: Converting between Rhai's Dynamic type and Rust types has overhead:
```rust
// Inefficient - multiple conversions
fn process_inefficient(ctx: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
let value = args[0].as_int()?;
let result = value * 2;
Ok(Dynamic::from(result))
}
// More efficient - use typed parameters when possible
fn process_efficient(value: i64) -> i64 {
value * 2
}
```
3. **Batch Operations**: For operations on collections, batch processing is more efficient:
```rust
// Process an entire array at once rather than element by element
fn sum_array(arr: Array) -> Result<i64, Box<EvalAltResult>> {
arr.iter()
.map(|v| v.as_int())
.collect::<Result<Vec<i64>, _>>()
.map(|nums| nums.iter().sum())
.map_err(|_| "Array must contain only integers".into())
}
```
4. **Compile Scripts Once**: Reuse compiled ASTs for scripts that are executed multiple times:
```rust
// Compile once
let ast = engine.compile(script)?;
// Execute multiple times with different parameters
for i in 0..10 {
let result = engine.eval_ast::<i64>(&ast)?;
println!("Result {}: {}", i, result);
}
```
### Thread Safety
1. **Use Sync Mode When Needed**: If you need thread safety, use the `sync` feature:
```rust
// In Cargo.toml
// rhai = { version = "1.x", features = ["sync"] }
// This creates a thread-safe engine
let engine = Engine::new();
// Now you can safely share the engine between threads
std::thread::spawn(move || {
let result = engine.eval::<i64>("40 + 2")?;
println!("Result: {}", result);
});
```
2. **Clone the Engine for Multiple Threads**: When not using `sync`, clone the engine for each thread:
```rust
let engine = Engine::new();
let handles: Vec<_> = (0..5).map(|i| {
let engine_clone = engine.clone();
std::thread::spawn(move || {
let result = engine_clone.eval::<i64>(&format!("{} + 2", i * 10))?;
println!("Thread {}: {}", i, result);
})
}).collect();
for handle in handles {
handle.join().unwrap();
}
```
### Memory Management
1. **Control Scope Size**: Be mindful of the size of your scopes:
```rust
// Create a new scope for each operation to avoid memory buildup
for item in items {
let mut scope = Scope::new();
scope.push("item", item);
engine.eval_with_scope::<()>(&mut scope, "process(item)")?;
}
```
2. **Limit Script Complexity**: Use engine options to limit script complexity:
```rust
let mut engine = Engine::new();
// Set limits to prevent scripts from consuming too many resources
engine.set_max_expr_depths(64, 64) // Max expression/statement depth
.set_max_function_expr_depth(64) // Max function depth
.set_max_array_size(10000) // Max array size
.set_max_map_size(10000) // Max map size
.set_max_string_size(10000) // Max string size
.set_max_call_levels(64); // Max call stack depth
```
3. **Use Shared Values Carefully**: Shared values (via closures) have reference-counting overhead:
```rust
// Avoid unnecessary capturing in closures when possible
engine.register_fn("process", |x: i64| x * 2);
// Instead of capturing large data structures
let large_data = vec![1, 2, 3, /* ... thousands of items ... */];
engine.register_fn("process_data", move |idx: i64| {
if idx >= 0 && (idx as usize) < large_data.len() {
large_data[idx as usize]
} else {
0
}
});
// Consider registering a lookup function instead
let large_data = std::sync::Arc::new(vec![1, 2, 3, /* ... thousands of items ... */]);
let data_ref = large_data.clone();
engine.register_fn("lookup", move |idx: i64| {
if idx >= 0 && (idx as usize) < data_ref.len() {
data_ref[idx as usize]
} else {
0
}
});
```
### API Design
1. **Consistent Naming**: Use consistent naming conventions:
```rust
// Good: Consistent naming pattern
engine.register_fn("create_user", create_user)
.register_fn("update_user", update_user)
.register_fn("delete_user", delete_user);
// Bad: Inconsistent naming
engine.register_fn("create_user", create_user)
.register_fn("user_update", update_user)
.register_fn("remove", delete_user);
```
2. **Logical Function Grouping**: Group related functions together:
```rust
// Register all string-related functions together
engine.register_fn("str_length", |s: &str| s.len() as i64)
.register_fn("str_uppercase", |s: &str| s.to_uppercase())
.register_fn("str_lowercase", |s: &str| s.to_lowercase());
// Register all math-related functions together
engine.register_fn("math_sin", |x: f64| x.sin())
.register_fn("math_cos", |x: f64| x.cos())
.register_fn("math_tan", |x: f64| x.tan());
```
3. **Comprehensive Documentation**: Document your API thoroughly:
```rust
// Add documentation for script writers
let mut engine = Engine::new();
#[cfg(feature = "metadata")]
{
// Add function documentation
engine.register_fn("calculate_tax", calculate_tax)
.register_fn_metadata("calculate_tax", |metadata| {
metadata.set_doc_comment("Calculates tax based on income and rate.\n\nParameters:\n- income: Annual income\n- rate: Tax rate (0.0-1.0)\n\nReturns: Calculated tax amount");
});
}
```

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#!/bin/bash
set -e
# Change to directory where this script is located
cd "$(dirname "${BASH_SOURCE[0]}")"
rm -f ./target/debug/herodo
# Build the herodo project
echo "Building herodo..."
cargo build --bin herodo
# cargo build --release --bin herodo
# Check if the build was successful
if [ $? -ne 0 ]; then
echo "Build failed. Please check the error messages."
exit 1
fi
# Echo a success message
echo "Build successful!"
mkdir -p ~/hero/bin/
cp target/debug/herodo ~/hero/bin/herodo
# Check if a script name was provided
if [ $# -eq 1 ]; then
echo "Running specified test: $1"
# Check if the script exists in src/rhaiexamples/
if [ -f "src/rhaiexamples/$1.rhai" ]; then
herodo "src/rhaiexamples/$1.rhai"
# Check if the script exists in src/herodo/scripts/
elif [ -f "src/herodo/scripts/$1.rhai" ]; then
herodo "src/herodo/scripts/$1.rhai"
else
echo "Error: Script $1.rhai not found in src/rhaiexamples/ or src/herodo/scripts/"
exit 1
fi
exit 0
fi

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# Rhai Git Module Manual
## Core Concepts
The Git module in Rhai allows interaction with Git repositories through two main objects:
- **`GitTree`**: Represents a collection of Git repositories under a specified base directory. Use it to manage, find, and access these repositories.
- **`GitRepo`**: Represents a single Git repository. Use it to perform common Git operations like `pull`, `commit`, and `push`.
## Error Handling
Methods performing Git operations (e.g., `pull`, `GitTree.get` when cloning) return a `Result`. If an operation fails and the error is not handled within the Rhai script, the script execution will halt, and Rhai will report the error. The examples below show direct usage, relying on this default error-halting behavior.
## `GitTree` Object
The `GitTree` object is the entry point for working with Git repositories.
### `git_tree_new(base_path: String) -> GitTree`
Creates a `GitTree` instance.
- **Description**: Initializes a `GitTree` to operate within the `base_path`. This directory is where repositories are located or will be cloned. It's created if it doesn't exist.
- **Parameters**:
- `base_path: String` - Path to the directory for Git repositories.
- **Returns**: `GitTree` - A new `GitTree` object. Halts on error (e.g., invalid path).
- **Rhai Example**:
```rhai
let git_tree = git_tree_new("./my_projects");
print("GitTree created.");
// To access the base path from Rhai, a `base_path()` getter would need to be exposed.
// // print(`GitTree base path: ${git_tree.base_path()}`);
```
### `list() -> Array`
Lists names of all Git repositories in the `GitTree`'s `base_path`.
- **Description**: Scans `base_path` for immediate subdirectories that are Git repositories and returns their names.
- **Returns**: `Array` - An array of strings (repository names). Returns an empty array if no repositories are found. Halts on other errors.
- **Rhai Example**:
```rhai
let git_tree = git_tree_new("./my_projects");
let repo_names = git_tree.list();
print(`Found ${repo_names.len()} repositories: ${repo_names}`);
```
### `find(pattern: String) -> Array`
Finds Git repositories matching `pattern` and returns them as `GitRepo` objects.
- **Description**: Searches `base_path` for Git repository subdirectories whose names match the `pattern` (e.g., `*`, `service-*`).
- **Parameters**:
- `pattern: String` - A pattern to match repository names.
- **Returns**: `Array` - An array of `GitRepo` objects. Returns an empty array if no repositories match. Halts on other errors (e.g. invalid pattern).
- **Rhai Example**:
```rhai
let git_tree = git_tree_new("./my_projects");
let api_repos = git_tree.find("api-*");
print(`Found ${api_repos.len()} API repositories.`);
for repo in api_repos {
print(`- Path: ${repo.path()}, Has Changes: ${repo.has_changes()}`);
}
```
### `get(name_or_url: String) -> GitRepo`
Retrieves a single `GitRepo` object by its exact local name or by a remote URL.
- **Description**:
- **Local Name**: If `name_or_url` is an exact subdirectory name in `base_path` (e.g., `"myrepo"`), opens that repository.
- **Remote URL**: If `name_or_url` is a Git URL (e.g., `"https://github.com/user/repo.git"`), it clones the repository (if not present) into `base_path` or opens it if it already exists.
- **Note**: Does not support wildcards for local names. Use `find()` for pattern matching.
- **Parameters**:
- `name_or_url: String` - The exact local repository name or a full Git URL.
- **Returns**: `GitRepo` - A single `GitRepo` object.
- **Halts on error if**:
- The local `name` is not found or is ambiguous.
- The `url` is invalid, or the clone/access operation fails.
- The target is not a valid Git repository.
- **Rhai Examples**:
*Get specific local repository by name:*
```rhai
let git_tree = git_tree_new("./my_projects");
// Assumes "my_service_a" is a git repo in "./my_projects/my_service_a"
// Script halts if "my_service_a" is not found or not a git repo.
let service_a_repo = git_tree.get("my_service_a");
print(`Opened repo: ${service_a_repo.path()}`);
service_a_repo.pull(); // Example operation
```
*Clone or get repository by URL:*
```rhai
let git_tree = git_tree_new("./cloned_repos_dest");
let url = "https://github.com/rhai-script/rhai.git";
// Clones if not present, otherwise opens. Halts on error.
let rhai_repo = git_tree.get(url);
print(`Rhai repository path: ${rhai_repo.path()}`);
print(`Rhai repo has changes: ${rhai_repo.has_changes()}`);
```
## `GitRepo` Object
Represents a single Git repository. Obtained from `GitTree.get()` or `GitTree.find()`.
### `path() -> String`
Returns the full file system path of the repository.
- **Returns**: `String` - The absolute path to the repository's root directory.
- **Rhai Example**:
```rhai
let git_tree = git_tree_new("./my_projects");
// Assumes "my_app" exists and is a Git repository.
// get() will halt if "my_app" is not found.
let app_repo = git_tree.get("my_app");
print(`App repository is at: ${app_repo.path()}`);
```
### `has_changes() -> bool`
Checks if the repository has any uncommitted local changes.
- **Description**: Checks for uncommitted modifications in the working directory or staged changes.
- **Returns**: `bool` - `true` if uncommitted changes exist, `false` otherwise. Halts on error.
- **Rhai Example** (assuming `app_repo` is a `GitRepo` object):
```rhai
if app_repo.has_changes() {
print(`Repository ${app_repo.path()} has uncommitted changes.`);
} else {
print(`Repository ${app_repo.path()} is clean.`);
}
```
### `pull() -> GitRepo`
Pulls latest changes from the remote.
- **Description**: Fetches changes from the default remote and merges them into the current local branch (`git pull`).
- **Returns**: `GitRepo` - The same `GitRepo` object for chaining. Halts on error (e.g., network issues, merge conflicts).
- **Rhai Example** (assuming `app_repo` is a `GitRepo` object):
```rhai
print(`Pulling latest changes for ${app_repo.path()}...`);
app_repo.pull(); // Halts on error
print("Pull successful.");
```
### `reset() -> GitRepo`
Resets local changes. **Caution: Discards uncommitted work.**
- **Description**: Discards local modifications and staged changes, resetting the working directory to match the last commit (`git reset --hard HEAD` or similar).
- **Returns**: `GitRepo` - The same `GitRepo` object for chaining. Halts on error.
- **Rhai Example** (assuming `app_repo` is a `GitRepo` object):
```rhai
print(`Resetting local changes in ${app_repo.path()}...`);
app_repo.reset(); // Halts on error
print("Reset successful.");
```
### `commit(message: String) -> GitRepo`
Commits staged changes.
- **Description**: Performs `git commit -m "message"`. Assumes changes are staged. Behavior regarding auto-staging of tracked files depends on the underlying Rust implementation.
- **Parameters**:
- `message: String` - The commit message.
- **Returns**: `GitRepo` - The same `GitRepo` object for chaining. Halts on error (e.g., nothing to commit).
- **Rhai Example** (assuming `app_repo` is a `GitRepo` object):
```rhai
// Ensure there are changes to commit.
if app_repo.has_changes() {
print(`Committing changes in ${app_repo.path()}...`);
app_repo.commit("Automated commit via Rhai script"); // Halts on error
print("Commit successful.");
} else {
print("No changes to commit.");
}
```
### `push() -> GitRepo`
Pushes committed changes to the remote.
- **Description**: Performs `git push` to the default remote and branch.
- **Returns**: `GitRepo`
```rhai
print(`Pushing changes for ${app_repo.path()}...`);
app_repo.push(); // Halts on error
print("Push successful.");
```
## Chaining Operations
```rhai
let git_tree = git_tree_new("./my_projects");
// Assumes "my_writable_app" exists and you have write access.
// get() will halt if not found.
let app_repo = git_tree.get("my_writable_app");
print(`Performing chained operations on ${app_repo.path()}`);
// This example demonstrates a common workflow.
// Ensure the repo state is suitable (e.g., changes exist for commit/push).
app_repo.pull()
.commit("Rhai: Chained operations - automated update") // Commits if pull results in changes or local changes existed and were staged.
.push();
print("Chained pull, commit, and push reported successful.");
// Alternative:
// app_repo.pull();
// if app_repo.has_changes() {
// app_repo.commit("Updates").push();
// }
```

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# os.download Module
### `download(url, dest, min_size_kb)`
Download a file from URL to destination using the curl command.
- **Description**: Downloads a file from the given `url`. If `dest` is a directory, the filename is derived from the URL. If `dest` is a file path, it is used directly. Requires the `curl` command to be available. Halts script execution on download or file writing errors, or if the downloaded file size is less than `min_size_kb`. Returns the destination path.
- **Returns**: `String` - The path where the file was downloaded.
- **Arguments**:
- `url`: `String` - The URL of the file to download.
- `dest`: `String` - The destination path (directory or file).
- `min_size_kb`: `Integer` - The minimum expected size of the downloaded file in kilobytes.
```rhai
let download_url = "https://example.com/archive.zip";
let download_dest_dir = "/tmp/downloads";
print(`Downloading ${download_url} to ${download_dest_dir}...`);
let downloaded_file_path = os::download(download_url, download_dest_dir, 50); // Halts on error
print(`Downloaded to: ${downloaded_file_path}`);
```
---
### `download_file(url, dest, min_size_kb)`
Download a file from URL to a specific file destination using the curl command.
- **Description**: Downloads a file from the given `url` directly to the specified file `dest`. Requires the `curl` command. Halts script execution on download or file writing errors, or if the downloaded file size is less than `min_size_kb`. Returns the destination path.
- **Returns**: `String` - The path where the file was downloaded.
- **Arguments**:
- `url`: `String` - The URL of the file to download.
- `dest`: `String` - The full path where the file should be saved.
- `min_size_kb`: `Integer` - The minimum expected size of the downloaded file in kilobytes.
```rhai
let data_url = "https://example.com/dataset.tar.gz";
let local_path = "/opt/data/dataset.tar.gz";
print(`Downloading ${data_url} to ${local_path}...`);
os::download_file(data_url, local_path, 1024); // Halts on error
print(`Downloaded dataset to: ${local_path}`);
```
---
### `download_install(url, min_size_kb)`
Download a file and install it if it\'s a supported package format.
- **Description**: Downloads a file from the given `url` to a temporary location and then attempts to install it using the appropriate system package manager if the file format is supported (e.g., `.deb` on Ubuntu, `.pkg` or `.dmg` on MacOS). Requires the `curl` command and the system package manager. Halts script execution on download, installation, or file size errors. Returns a success message.
- **Returns**: `String` - A success message upon successful download and installation attempt.
- **Arguments**:
- `url`: `String` - The URL of the package file to download and install.
- `min_size_kb`: `Integer` - The minimum expected size of the downloaded file in kilobytes.
```rhai
let package_url = "https://example.com/mytool.deb";
print(`Downloading and installing ${package_url}...`);
os::download_install(package_url, 300); // Halts on error
print("Installation attempt finished.");
```

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# os.fs Module
The `os` module provides functions for interacting with the operating system, including file system operations, command execution checks, downloads, and package management.
All functions that interact with the file system or external commands will halt the script execution if an error occurs, unless explicitly noted otherwise.
---
### `copy(src, dest)`
Recursively copy a file or directory from source to destination.
- **Description**: Performs a recursive copy operation. Halts script execution on failure.
- **Returns**: `String` - The destination path.
- **Arguments**:
- `src`: `String` - The path to the source file or directory.
- `dest`: `String` - The path to the destination file or directory.
```rhai
print("Copying directory...");
let source_dir = "/tmp/source_data";
let dest_dir = "/backup/source_data";
let copied_path = os::copy(source_dir, dest_dir); // Halts on error
print(`Copied ${source_dir} to ${copied_path}`);
```
---
### `exist(path)`
Check if a file or directory exists.
- **Description**: Checks for the presence of a file or directory at the given path. This function does NOT halt on error if the path is invalid or permissions prevent checking.
- **Returns**: `Boolean` - `true` if the path exists, `false` otherwise.
- **Arguments**:
- `path`: `String` - The path to check.
```rhai
if os::exist("config.json") {
print(`${file_path} exists.`);
} else {
print(`${file_path} does not exist.`);
}
```
---
### `find_file(dir, filename)`
Find a file in a directory (with support for wildcards).
- **Description**: Searches for a file matching `filename` within the specified `dir`. Supports simple wildcards like `*` and `?`. Halts script execution if the directory cannot be read or if no file is found.
- **Returns**: `String` - The path to the first file found that matches the pattern.
- **Arguments**:
- `dir`: `String` - The directory to search within.
- `filename`: `String` - The filename pattern to search for (e.g., `"*.log"`).
```rhai
let log_file = os::find_file("/var/log", "syslog*.log"); // Halts if not found or directory error
print(`Found log file: ${log_file}`);
```
---
### `find_files(dir, filename)`
Find multiple files in a directory (recursive, with support for wildcards).
- **Description**: Recursively searches for all files matching `filename` within the specified `dir` and its subdirectories. Supports simple wildcards. Halts script execution if the directory cannot be read.
- **Returns**: `Array` of `String` - An array containing paths to all matching files.
- **Arguments**:
- `dir`: `String` - The directory to start the recursive search from.
- `filename`: `String` - The filename pattern to search for (e.g., `"*.tmp"`).
```rhai
let temp_files = os::find_files("/tmp", "*.swp"); // Halts on directory error
print("Found temporary files:");
for file in temp_files {
print(`- ${file}`);
}
```
---
### `find_dir(dir, dirname)`
Find a directory in a parent directory (with support for wildcards).
- **Description**: Searches for a directory matching `dirname` within the specified `dir`. Supports simple wildcards. Halts script execution if the directory cannot be read or if no directory is found.
- **Returns**: `String` - The path to the first directory found that matches the pattern.
- **Arguments**:
- `dir`: `String` - The directory to search within.
- `dirname`: `String` - The directory name pattern to search for (e.g., `"backup_*"`).
```rhai
let latest_backup_dir = os::find_dir("/mnt/backups", "backup_20*"); // Halts if not found or directory error
print(`Found backup directory: ${latest_backup_dir}`);
```
---
### `find_dirs(dir, dirname)`
Find multiple directories in a parent directory (recursive, with support for wildcards).
- **Description**: Recursively searches for all directories matching `dirname` within the specified `dir` and its subdirectories. Supports simple wildcards. Halts script execution if the directory cannot be read.
- **Returns**: `Array` of `String` - An array containing paths to all matching directories.
- **Arguments**:
- `dir`: `String` - The directory to start the recursive search from.
- `dirname`: `String` - The directory name pattern to search for (e.g., `"project_*_v?"`).
```rhai
let project_versions = os::find_dirs("/home/user/dev", "project_*_v?"); // Halts on directory error
print("Found project version directories:");
for dir in project_versions {
print(`- ${dir}`);
}
```
---
### `delete(path)`
Delete a file or directory (defensive - doesn't error if file doesn't exist).
- **Description**: Deletes the file or directory at the given path. If the path does not exist, the function does nothing and does not halt. Halts script execution on other errors (e.g., permission denied, directory not empty). Returns the path that was attempted to be deleted.
- **Returns**: `String` - The path that was given as input.
- **Arguments**:
- `path`: `String` - The path to the file or directory to delete.
```rhai
let temp_path = "/tmp/temporary_item";
print(`Attempting to delete: ${temp_path}`);
os::delete(temp_path); // Halts on permissions or non-empty directory error
print("Deletion attempt finished.");
```
---
### `mkdir(path)`
Create a directory and all parent directories (defensive - doesn't error if directory exists).
- **Description**: Creates the directory at the given path, including any necessary parent directories. If the directory already exists, the function does nothing and does not halt. Halts script execution on other errors (e.g., permission denied). Returns the path that was created (or already existed).
- **Returns**: `String` - The path that was created or checked.
- **Arguments**:
- `path`: `String` - The path to the directory to create.
```rhai
let new_dir = "/data/processed/reports";
print(`Ensuring directory exists: ${new_dir}`);
os::mkdir(new_dir); // Halts on permission error
print("Directory check/creation finished.");
```
---
### `file_size(path)`
Get the size of a file in bytes.
- **Description**: Returns the size of the file at the given path. Halts script execution if the file does not exist or cannot be accessed.
- **Returns**: `Integer` - The size of the file in bytes (as i64).
- **Arguments**:
- `path`: `String` - The path to the file.
```rhai
let file_path = "important_document.pdf";
let size = os::file_size(file_path); // Halts if file not found or cannot read
print(`File size: ${size} bytes`);
```
---
### `rsync(src, dest)`
Sync directories using rsync (or platform equivalent).
- **Description**: Synchronizes the contents of the source directory (`src`) to the destination directory (`dest`) using the system's available rsync-like command. Halts script execution on any error during the sync process. Returns a success message string.
- **Returns**: `String` - A success message indicating the operation completed.
- **Arguments**:
- `src`: `String` - The source directory.
- `dest`: `String` - The destination directory.
```rhai
let source = "/local/project_files";
let destination = "/remote/backup/project_files";
print(`Syncing from ${source} to ${destination}...`);
let result_message = os::rsync(source, destination); // Halts on error
print(`Sync successful: ${result_message}`);
```
---
### `chdir(path)`
Change the current working directory.
- **Description**: Changes the current working directory of the script process. Halts script execution if the directory does not exist or cannot be accessed. Returns the new current working directory path.
- **Returns**: `String` - The absolute path of the directory the process changed into.
- **Arguments**:
- `path`: `String` - The path to change the working directory to.
```rhai
print(`Current directory: ${os::chdir(".")}`); // Use "." to get current path
let new_cwd = "/tmp";
os::chdir(new_cwd); // Halts if directory not found or access denied
print(`Changed directory to: ${os::chdir(".")}`);
```
---
### `file_read(path)`
Read the contents of a file.
- **Description**: Reads the entire content of the file at the given path into a string. Halts script execution if the file does not exist or cannot be read.
- **Returns**: `String` - The content of the file.
- **Arguments**:
- `path`: `String` - The path to the file.
```rhai
let config_content = os::file_read("settings.conf"); // Halts if file not found or cannot read
print("Config content:");
print(config_content);
```
---
### `file_write(path, content)`
Write content to a file (creates the file if it doesn\'t exist, overwrites if it does).
- **Description**: Writes the specified `content` to the file at the given `path`. If the file exists, its content is replaced. If it doesn't exist, it is created. Halts script execution on error (e.g., permission denied, invalid path). Returns the path written to.
- **Returns**: `String` - The path of the file written to.
- **Arguments**:
- `path`: `String` - The path to the file.
- `content`: `String` - The content to write to the file.
```rhai
let output_path = "/tmp/hello.txt";
let text_to_write = "Hello from Rhai!";
os::file_write(output_path, text_to_write); // Halts on error
print(`Wrote to ${output_path}`);
```
---
### `file_write_append(path, content)`
Append content to a file (creates the file if it doesn\'t exist).
- **Description**: Appends the specified `content` to the end of the file at the given `path`. If the file does not exist, it is created. Halts script execution on error (e.g., permission denied, invalid path). Returns the path written to.
- **Returns**: `String` - The path of the file written to.
- **Arguments**:
- `path`: `String` - The path to the file.
- `content`: `String` - The content to append to the file.
```rhai
let log_path = "application.log";
let log_entry = "User login failed.\n";
os::file_write_append(log_path, log_entry); // Halts on error
print(`Appended to ${log_path}`);
```
---
### `mv(src, dest)`
Move a file or directory from source to destination.
- **Description**: Moves the file or directory from `src` to `dest`. Halts script execution on error (e.g., permission denied, source not found, destination exists and cannot be overwritten). Returns the destination path.
- **Returns**: `String` - The path of the destination.
- **Arguments**:
- `src`: `String` - The path to the source file or directory.
- `dest`: `String` - The path to the destination.
```rhai
let old_path = "/tmp/report.csv";
let new_path = "/archive/reports/report_final.csv";
os::mv(old_path, new_path); // Halts on error
print(`Moved ${old_path} to ${new_path}`);
```
---
### `which(command)`
Check if a command exists in the system PATH.
- **Description**: Searches the system's PATH environment variable for the executable `command`. This function does NOT halt on error; it returns an empty string if the command is not found.
- **Returns**: `String` - The full path to the command executable if found, otherwise an empty string (`""`).
- **Arguments**:
- `command`: `String` - The name of the command to search for (e.g., `"git"`).
```rhai
let git_path = os::which("git");
if git_path != "" {
print(`Git executable found at: ${git_path}`);
} else {
print("Git executable not found in PATH.");
}
```
---
### `cmd_ensure_exists(commands)`
Ensure that one or more commands exist in the system PATH.
- **Description**: Checks if all command names specified in the `commands` string (space or comma separated) exist in the system's PATH. Halts script execution if any of the commands are not found. Returns a success message if all commands are found.
- **Returns**: `String` - A success message.
- **Arguments**:
- `commands`: `String` - A string containing one or more command names, separated by spaces or commas (e.g., `"curl,tar,unzip"`).
```rhai
print("Ensuring required commands are available...");
os::cmd_ensure_exists("git curl docker"); // Halts if any command is missing
print("All required commands found.");
```
---
### `chmod_exec(path)`
Make a file executable (equivalent to chmod +x).
- **Description**: Sets the executable permission for the file at the given `path` for the owner, group, and others. Halts script execution on error (e.g., file not found, permission denied). Returns the path modified.
- **Returns**: `String` - The path of the file whose permissions were modified.
- **Arguments**:
- `path`: `String` - The path to the file.
```rhai
let script_path = "/usr/local/bin/myscript";
print(`Making ${script_path} executable...`);
os::chmod_exec(script_path); // Halts on error
print("Permissions updated.");
```

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# os.package Module
### `package_install(package)`
Install a package using the system package manager.
- **Description**: Installs the specified `package` using the detected system package manager (e.g., `apt` on Ubuntu, `brew` on MacOS). Halts script execution if the package manager command fails. Returns a success message.
- **Returns**: `String` - A message indicating successful installation.
- **Arguments**:
- `package`: `String` - The name of the package to install (e.g., `"nano"`).
```rhai
print("Installing 'nano' package...");
os::package_install("nano"); // Halts on package manager error
print("'nano' installed successfully.");
```
---
### `package_remove(package)`
Remove a package using the system package manager.
- **Description**: Removes the specified `package` using the detected system package manager. Halts script execution if the package manager command fails. Returns a success message.
- **Returns**: `String` - A message indicating successful removal.
- **Arguments**:
- `package`: `String` - The name of the package to remove (e.g., `"htop"`).
```rhai
print("Removing 'htop' package...");
os::package_remove("htop"); // Halts on package manager error
print("'htop' removed successfully.");
```
---
### `package_update()`
Update package lists using the system package manager.
- **Description**: Updates the package lists that the system package manager uses (e.g., `apt update`, `brew update`). Halts script execution if the package manager command fails. Returns a success message.
- **Returns**: `String` - A message indicating successful update.
- **Arguments**: None.
```rhai
print("Updating package lists...");
os::package_update(); // Halts on package manager error
print("Package lists updated.");
```
---
### `package_upgrade()`
Upgrade installed packages using the system package manager.
- **Description**: Upgrades installed packages using the detected system package manager (e.g., `apt upgrade`, `brew upgrade`). Halts script execution if the package manager command fails. Returns a success message.
- **Returns**: `String` - A message indicating successful upgrade.
- **Arguments**: None.
```rhai
print("Upgrading installed packages...");
os::package_upgrade(); // Halts on package manager error
print("Packages upgraded.");
```
---
### `package_list()`
List installed packages using the system package manager.
- **Description**: Lists the names of packages installed on the system using the detected package manager. Halts script execution if the package manager command fails.
- **Returns**: `Array` of `String` - An array containing the names of installed packages.
- **Arguments**: None.
```rhai
print("Listing installed packages...");
let installed_packages = os::package_list(); // Halts on package manager error
for pkg in installed_packages {
print(`- ${pkg}`);
}
```
---
### `package_search(query)`
Search for packages using the system package manager.
- **Description**: Searches for packages matching the given `query` using the detected system package manager. Halts script execution if the package manager command fails.
- **Returns**: `Array` of `String` - An array containing the search results (package names and/or descriptions).
- **Arguments**:
- `query`: `String` - The search term.
```rhai
print("Searching for 'python' packages...");
let python_packages = os::package_search("python"); // Halts on package manager error
for pkg in python_packages {
print(`- ${pkg}`);
}
```
---
### `package_is_installed(package)`
Check if a package is installed using the system package manager.
- **Description**: Checks if the specified `package` is installed using the detected system package manager. Halts script execution if the package manager command itself fails (e.g., command not found), but does NOT halt if the package is simply not found.
- **Returns**: `Boolean` - `true` if the package is installed, `false` otherwise.
- **Arguments**:
- `package`: `String` - The name of the package to check (e.g., `"wget"`).
```rhai
let package_name = "wget";
if os::package_is_installed(package_name) { // Halts on package manager command error
print(`${package_name} is installed.`);
} else {
print(`${package_name} is not installed.`);
}
```
---
### `package_set_debug(debug)`
Set the debug mode for package management operations.
- **Description**: Enables or disables debug output for subsequent package management operations. This function does NOT halt on error and always returns the boolean value it was set to.
- **Returns**: `Boolean` - The boolean value that the debug flag was set to.
- **Arguments**:
- `debug`: `Boolean` - Set to `true` to enable debug output, `false` to disable.
```rhai
print("Enabling package debug output.");
os::package_set_debug(true);
// Subsequent package operations will print debug info
print("Disabling package debug output.");
os::package_set_debug(false);
```
---
### `package_platform()`
Get the current platform name for package management.
- **Description**: Returns the name of the operating system platform as detected by the package manager logic. This function does NOT halt on error; it returns `"Unknown"` if the platform cannot be determined.
- **Returns**: `String` - The platform name, one of `"Ubuntu"`, `"MacOS"`, or `"Unknown"`.
- **Arguments**: None.
```rhai
let platform = os::package_platform(); // Does not halt on error
print(`Detected package platform: ${platform}`);
```

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# Process Module
The `process` module provides functions for running external commands and managing system processes using a builder pattern for command execution.
For running commands, you start with the `run()` function which returns a `CommandBuilder` object. You can then chain configuration methods like `silent()`, `ignore_error()`, and `log()` before finally calling the `do()` method to execute the command.
By default, command execution using the builder (`.do()`) will halt the script execution if the command itself fails (returns a non-zero exit code) or if there's an operating system error preventing the command from running. You can change this behavior with `ignore_error()`.
Other process management functions (`which`, `kill`, `process_list`, `process_get`) have specific error handling behaviors described below.
---
### `CommandResult`
An object returned by command execution functions (`.do()`) containing the result of the command.
- **Properties**:
- `stdout`: `String` - The standard output of the command.
- `stderr`: `String` - The standard error of the command.
- `success`: `Boolean` - `true` if the command exited with code 0, `false` otherwise.
- `code`: `Integer` - The exit code of the command.
```rhai
let result = run("echo hi").do();
print(`Success: ${result.success}, Output: ${result.stdout}`);
```
---
### `ProcessInfo`
An object found by process listing/getting functions (`process_list`, `process_get`) containing information about a running process.
- **Properties**:
- `pid`: `Integer` - The process ID.
- `name`: `String` - The name of the process executable.
- `memory`: `Integer` - The memory usage of the process (unit depends on the operating system, typically KB or bytes).
- `cpu`: `Float` - The CPU usage percentage (value and meaning may vary by operating system).
```rhai
let processes = process_list("my_service");
if (processes.len() > 0) {
let first_proc = processes[0];
print(`Process ${first_proc.name} (PID: ${first_proc.pid}) is running.`);
}
```
---
### `run(command)`
Start building a command execution.
- **Description**: Initializes a `CommandBuilder` for the given command string. This is the entry point to configure and run a process.
- **Returns**: `CommandBuilder` - A builder object for configuring the command.
- **Arguments**:
- `command`: `String` - The command string to execute. Can include arguments and be a simple multiline script.
```rhai
let cmd_builder = run("ls -l");
// Now you can chain methods like .silent(), .ignore_error(), .log()
```
---
### `CommandBuilder:silent()`
Configure the command to run silently.
- **Description**: Suppresses real-time standard output and standard error from being printed to the script's console during command execution. The output is still captured in the resulting `CommandResult`.
- **Returns**: `CommandBuilder` - Returns `self` for chaining.
- **Arguments**: None.
```rhai
print("Running silent command...");
run("echo This won\'t show directly").silent().do();
print("Silent command finished.");
```
---
### `CommandBuilder:ignore_error()`
Configure the command to ignore non-zero exit codes.
- **Description**: By default, the `do()` method halts script execution if the command returns a non-zero exit code. Calling `ignore_error()` prevents this. The `CommandResult` will still indicate `success: false` and contain the non-zero `code`, allowing the script to handle the command failure explicitly. OS errors preventing the command from running will still cause a halt.
- **Returns**: `CommandBuilder` - Returns `self` for chaining.
- **Arguments**: None.
```rhai
print("Running command that will fail but not halt...");
let result = run("exit 1").ignore_error().do(); // Will not halt
if (!result.success) {
print(`Command failed as expected with code: ${result.code}`);
}
```
---
### `CommandBuilder:log()`
Configure the command to log the execution details.
- **Description**: Enables logging of the command string before execution.
- **Returns**: `CommandBuilder` - Returns `self` for chaining.
- **Arguments**: None.
```rhai
print("Running command with logging...");
run("ls /tmp").log().do(); // Will print the "ls /tmp" command before running
print("Command finished.");
```
---
### `CommandBuilder:do()`
Execute the configured command.
- **Description**: Runs the command with the options set by the builder methods. Waits for the command to complete and returns the `CommandResult`. This method is the final step in the command execution builder chain. Halts based on the `ignore_error()` setting and OS errors.
- **Returns**: `CommandResult` - An object containing the output and status of the command.
- **Arguments**: None.
```rhai
print("Running command using builder...");
let command_result = run("pwd")
.log() // Log the command
.silent() // Don't print output live
.do(); // Execute and get result (halts on error by default)
print(`Command output: ${command_result.stdout}`);
// Example with multiple options
let fail_result = run("command_that_does_not_exist")
.ignore_error() // Don't halt on non-zero exit (though OS error might still halt)
.silent() // Don't print error live
.do();
if (!fail_result.success) {
print(`Failed command exited with code: ${fail_result.code} and stderr: ${fail_result.stderr}`);
}
```
---
### `which(cmd)`
Check if a command exists in the system PATH.
- **Description**: Searches the system's PATH environment variable for the executable `cmd`. This function does NOT halt if the command is not found; it returns an empty string.
- **Returns**: `String` - The full path to the command executable if found, otherwise an empty string (`""`).
- **Arguments**:
- `cmd`: `String` - The name of the command to search for (e.g., `"node"`).
```rhai
let node_path = which("node"); // Does not halt if node is not found
if (node_path != "") {
print(`Node executable found at: ${node_path}`);
} else {
print("Node executable not found in PATH.");
}
```
---
### `kill(pattern)`
Kill processes matching a pattern.
- **Description**: Terminates running processes whose names match the provided `pattern`. Uses platform-specific commands (like `pkill` or equivalent). Halts script execution on error interacting with the system process list or kill command.
- **Returns**: `String` - A success message indicating the kill attempt finished.
- **Arguments**:
- `pattern`: `String` - A pattern to match against process names (e.g., `"nginx"`).
```rhai
print("Attempting to kill processes matching 'my_service'...");
// Use with caution!
kill("my_service"); // Halts on OS error during kill attempt
print("Kill command sent.");
```
---
### `process_list(pattern)`
List processes matching a pattern (or all if pattern is empty).
- **Description**: Lists information about running processes whose names match the provided `pattern`. If `pattern` is an empty string `""`, lists all processes. Halts script execution on error interacting with the system process list. Returns an empty array if no processes match the pattern.
- **Returns**: `Array` of `ProcessInfo` - An array of objects, each containing `pid` (Integer), `name` (String), `memory` (Integer), and `cpu` (Float).
- **Arguments**:
- `pattern`: `String` - A pattern to match against process names, or `""` for all processes.
```rhai
print("Listing processes matching 'bash'...");
let bash_processes = process_list("bash"); // Halts on OS error
if (bash_processes.len() > 0) {
print("Found bash processes:");
for proc in bash_processes {
print(`- PID: ${proc.pid}, Name: ${proc.name}, CPU: ${proc.cpu}%, Memory: ${proc.memory}`);
}
} else {
print("No bash processes found.");
}
```
---
### `process_get(pattern)`
Get a single process matching the pattern (error if 0 or more than 1 match).
- **Description**: Finds exactly one running process whose name matches the provided `pattern`. Halts script execution if zero or more than one process matches the pattern, or on error interacting with the system process list.
- **Returns**: `ProcessInfo` - An object containing `pid` (Integer), `name` (String), `memory` (Integer), and `cpu` (Float).
- **Arguments**:
- `pattern`: `String` - A pattern to match against process names, expected to match exactly one process.
```rhai
let expected_service_name = "my_critical_service";
print(`Getting process info for '${expected_service_name}'...`);
// This will halt if the service isn't running, or if multiple services have this name
let service_proc_info = process_get(expected_service_name);
print(`Found process: PID ${service_proc_info.pid}, Name: ${service_proc_info.name}`);
```

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# Buildah Module Tests
This document describes the test scripts for the Buildah module in the SAL library. These tests verify the functionality of the Buildah module's container and image operations.
## Test Structure
The tests are organized into three main scripts:
1. **Builder Pattern** (`01_builder_pattern.rhai`): Tests for the Builder pattern, including creating containers, running commands, and working with container content.
2. **Image Operations** (`02_image_operations.rhai`): Tests for image-related operations like pulling, tagging, listing, and removing images.
3. **Container Operations** (`03_container_operations.rhai`): Tests for container-related operations like configuration, isolation, and content management.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/buildah/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/buildah/01_builder_pattern.rhai
```
## Test Details
### Builder Pattern Test
The Builder Pattern test (`01_builder_pattern.rhai`) verifies the following functions:
- `bah_new`: Creating a new Builder with a container from a specified image
- Builder properties: `container_id`, `name`, `image`, `debug_mode`
- `run`: Running commands in the container
- `write_content`: Writing content to files in the container
- `read_content`: Reading content from files in the container
- `set_entrypoint`: Setting the container's entrypoint
- `set_cmd`: Setting the container's command
- `add`: Adding files to the container
- `copy`: Copying files to the container
- `commit`: Committing the container to an image
- `remove`: Removing the container
- `images`: Listing images
- `image_remove`: Removing images
### Image Operations Test
The Image Operations test (`02_image_operations.rhai`) verifies the following functions:
- `image_pull`: Pulling images from registries
- `image_tag`: Tagging images
- `images`: Listing images
- `build`: Building images from Dockerfiles
- `image_remove`: Removing images
The test creates a temporary directory with a Dockerfile for testing the build functionality.
### Container Operations Test
The Container Operations test (`03_container_operations.rhai`) verifies the following functions:
- `reset`: Resetting a Builder by removing its container
- `config`: Configuring container properties
- `run_with_isolation`: Running commands with isolation
- Content operations: Creating and executing scripts in the container
- `commit` with options: Committing a container with additional configuration
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Checks if Buildah is available before running tests
2. Skips tests if Buildah is not available
3. Contains simplified versions of each test
4. Runs each test in a try/catch block to handle errors
5. Catches and reports any errors
6. Provides a summary of passed, failed, and skipped tests
## Buildah Requirements
These tests require the Buildah tool to be installed and available in the system's PATH. The tests will check for Buildah's availability and skip the tests if it's not found, rather than failing.
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/buildah` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the Buildah module:
1. Always check if Buildah is available before running tests
2. Use unique names for containers and images to avoid conflicts
3. Clean up any containers, images, or files created during testing
4. Use assertions to verify expected behavior
5. Print clear messages about what's being tested
6. Handle errors gracefully
7. Make tests independent of each other
8. Keep tests focused on specific functionality

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# Continuous Integration for Rhai Tests
This document describes the continuous integration (CI) workflow for running Rhai tests in the SAL library.
## GitHub Actions Workflow
The SAL project includes a GitHub Actions workflow that automatically runs all Rhai tests whenever changes are made to relevant files. This ensures that the Rhai integration continues to work correctly as the codebase evolves.
### Workflow File
The workflow is defined in `.github/workflows/rhai-tests.yml`.
### Trigger Events
The workflow runs automatically when:
1. Changes are pushed to the `main` or `master` branch that affect:
- Rhai test scripts (`src/rhai_tests/**`)
- Rhai module code (`src/rhai/**`)
- Git module code (`src/git/**`)
- OS module code (`src/os/**`)
- The test runner script (`run_rhai_tests.sh`)
- The workflow file itself (`.github/workflows/rhai-tests.yml`)
2. A pull request is opened or updated that affects the same files.
3. The workflow is manually triggered using the GitHub Actions interface.
### Workflow Steps
The workflow performs the following steps:
1. **Checkout Code**: Checks out the repository code.
2. **Set up Rust**: Installs the Rust toolchain.
3. **Cache Dependencies**: Caches Rust dependencies to speed up builds.
4. **Build herodo**: Builds the `herodo` binary used to run Rhai scripts.
5. **Install Dependencies**: Installs system dependencies like Git and curl.
6. **Run Rhai Tests**: Runs the `run_rhai_tests.sh` script to execute all Rhai tests.
7. **Check for Failures**: Verifies that all tests passed.
### Test Results
The workflow will fail if any Rhai test fails. This prevents changes that break the Rhai integration from being merged.
## Local Testing
Before pushing changes, you can run the same tests locally using the `run_rhai_tests.sh` script:
```bash
./run_rhai_tests.sh
```
This will produce the same test results as the CI workflow, allowing you to catch and fix issues before pushing your changes.
## Logs
The test runner script creates a log file (`run_rhai_tests.log`) that contains the output of all tests. This log is used by the CI workflow to check for test failures.
## Adding New Tests
When adding new tests, make sure they are included in the appropriate module's test runner script (`run_all_tests.rhai`). The CI workflow will automatically run the new tests.
## Troubleshooting
If the CI workflow fails, check the GitHub Actions logs for details. Common issues include:
1. **Missing Dependencies**: Ensure all required dependencies are installed.
2. **Test Failures**: Fix any failing tests.
3. **Build Errors**: Fix any errors in the Rust code.
If you need to modify the workflow, edit the `.github/workflows/rhai-tests.yml` file.

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# Git Module Tests
This document describes the test scripts for the Git module in the SAL library. These tests verify the functionality of the Git module's repository management and Git operations.
## Test Structure
The tests are organized into two main scripts:
1. **Basic Git Operations** (`01_git_basic.rhai`): Tests basic Git functionality like creating a GitTree, listing repositories, finding repositories, and cloning repositories.
2. **Git Repository Operations** (`02_git_operations.rhai`): Tests Git operations like pull, reset, commit, and push.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/git/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/git/01_git_basic.rhai
```
## Test Details
### Basic Git Operations Test
The basic Git operations test (`01_git_basic.rhai`) verifies the following functions:
- `git_tree_new`: Creating a GitTree
- `list`: Listing repositories in a GitTree
- `find`: Finding repositories matching a pattern
- `get`: Getting or cloning a repository
- `path`: Getting the path of a repository
- `has_changes`: Checking if a repository has changes
The test creates a temporary directory, performs operations on it, and then cleans up after itself.
### Git Repository Operations Test
The Git repository operations test (`02_git_operations.rhai`) verifies the following functions:
- `pull`: Pulling changes from a remote repository
- `reset`: Resetting local changes
- `commit`: Committing changes (method existence only)
- `push`: Pushing changes to a remote repository (method existence only)
Note: The test does not actually commit or push changes to avoid modifying remote repositories. It only verifies that the methods exist and can be called.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Contains simplified versions of each test
2. Runs each test in a try/catch block to handle errors
3. Catches and reports any errors
4. Provides a summary of passed and failed tests
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/git` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the Git module:
1. Always clean up temporary files and directories
2. Use assertions to verify expected behavior
3. Print clear messages about what's being tested
4. Handle errors gracefully
5. Make tests independent of each other
6. Avoid tests that modify remote repositories
7. Keep tests focused on specific functionality

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# Rhai Scripting in SAL
This documentation covers the Rhai scripting integration in the SAL (System Abstraction Layer) library.
## Overview
SAL provides integration with the [Rhai scripting language](https://rhai.rs/), allowing you to use SAL's functionality in scripts. This enables automation of system tasks, testing, and more complex operations without having to write Rust code.
## Modules
SAL exposes the following modules to Rhai scripts:
- [OS Module](os_module_tests.md): File system operations, downloads, and package management
- Process Module: Process management and command execution
- Git Module: Git repository operations
- Text Module: Text processing utilities
- Buildah Module: Container image building
- Nerdctl Module: Container runtime operations
- RFS Module: Remote file system operations
- Redis Client Module: Redis database connection and operations
- PostgreSQL Client Module: PostgreSQL database connection and operations
## Running Rhai Scripts
You can run Rhai scripts using the `herodo` binary:
```bash
herodo --path path/to/script.rhai
```
## Testing
SAL includes test scripts for verifying the functionality of its Rhai integration. These tests are located in the `src/rhai_tests` directory and are organized by module.
- [OS Module Tests](os_module_tests.md): Tests for file system, download, and package management operations
- [Git Module Tests](git_module_tests.md): Tests for Git repository management and operations
- [Process Module Tests](process_module_tests.md): Tests for command execution and process management
- [Redis Client Module Tests](redisclient_module_tests.md): Tests for Redis connection and operations
- [PostgreSQL Client Module Tests](postgresclient_module_tests.md): Tests for PostgreSQL connection and operations
- [Text Module Tests](text_module_tests.md): Tests for text manipulation, normalization, replacement, and template rendering
- [Buildah Module Tests](buildah_module_tests.md): Tests for container and image operations
- [Nerdctl Module Tests](nerdctl_module_tests.md): Tests for container and image operations using nerdctl
- [RFS Module Tests](rfs_module_tests.md): Tests for remote filesystem operations and filesystem layers
- [Running Tests](running_tests.md): Instructions for running all Rhai tests
- [CI Workflow](ci_workflow.md): Continuous integration workflow for Rhai tests
## Examples
For examples of how to use SAL's Rhai integration, see the `examples` directory in the project root. These examples demonstrate various features and use cases.
## Writing Your Own Scripts
When writing Rhai scripts that use SAL:
1. Import the necessary modules (they're automatically registered)
2. Use the functions provided by each module
3. Handle errors appropriately
4. Clean up resources when done
Example:
```rhai
// Simple example of using the OS module
let test_dir = "my_test_dir";
mkdir(test_dir);
if exist(test_dir) {
print(`Directory ${test_dir} created successfully`);
// Create a file
let test_file = test_dir + "/test.txt";
file_write(test_file, "Hello, world!");
// Read the file
let content = file_read(test_file);
print(`File content: ${content}`);
// Clean up
delete(test_dir);
}
```
## API Reference
For detailed information about the functions available in each module, refer to the module-specific documentation.

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# Nerdctl Module Tests
This document describes the test scripts for the Nerdctl module in the SAL library. These tests verify the functionality of the Nerdctl module's container and image operations.
## Test Structure
The tests are organized into three main scripts:
1. **Container Operations** (`01_container_operations.rhai`): Tests for basic container operations like creating, running, executing commands, and removing containers.
2. **Image Operations** (`02_image_operations.rhai`): Tests for image-related operations like pulling, tagging, listing, building, and removing images.
3. **Container Builder Pattern** (`03_container_builder.rhai`): Tests for the Container Builder pattern, which provides a fluent interface for configuring and running containers.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/nerdctl/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/nerdctl/01_container_operations.rhai
```
## Test Details
### Container Operations Test
The Container Operations test (`01_container_operations.rhai`) verifies the following functions:
- `nerdctl_container_new`: Creating a new Container
- Container properties: `name`, `container_id`, `image`, `detach`
- `with_image`: Setting the container image
- `with_detach`: Setting detach mode
- `with_env` and `with_envs`: Setting environment variables
- `with_port` and `with_ports`: Setting port mappings
- `with_volume`: Setting volume mounts
- `with_cpu_limit` and `with_memory_limit`: Setting resource limits
- `run`: Running the container
- `exec`: Executing commands in the container
- `logs`: Getting container logs
- `stop`: Stopping the container
- `remove`: Removing the container
### Image Operations Test
The Image Operations test (`02_image_operations.rhai`) verifies the following functions:
- `nerdctl_image_pull`: Pulling images from registries
- `nerdctl_images`: Listing images
- `nerdctl_image_tag`: Tagging images
- `nerdctl_image_build`: Building images from Dockerfiles
- `nerdctl_run_with_name`: Running containers from images
- `nerdctl_stop` and `nerdctl_remove`: Stopping and removing containers
- `nerdctl_image_remove`: Removing images
The test creates a temporary directory with a Dockerfile for testing the build functionality.
### Container Builder Pattern Test
The Container Builder Pattern test (`03_container_builder.rhai`) verifies the following functions:
- `nerdctl_container_from_image`: Creating a container from an image
- `reset`: Resetting container configuration
- `with_detach`: Setting detach mode
- `with_ports`: Setting multiple port mappings
- `with_volumes`: Setting multiple volume mounts
- `with_envs`: Setting multiple environment variables
- `with_network`: Setting network
- `with_cpu_limit` and `with_memory_limit`: Setting resource limits
- `run`: Running the container
- `exec`: Executing commands in the container
- `stop`: Stopping the container
- `remove`: Removing the container
The test also verifies that environment variables and volume mounts work correctly by writing and reading files between the container and the host.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Checks if nerdctl is available before running tests
2. Skips tests if nerdctl is not available
3. Contains simplified versions of each test
4. Runs each test in a try/catch block to handle errors
5. Catches and reports any errors
6. Provides a summary of passed, failed, and skipped tests
## Nerdctl Requirements
These tests require the nerdctl tool to be installed and available in the system's PATH. The tests will check for nerdctl's availability and skip the tests if it's not found, rather than failing.
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/nerdctl` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the Nerdctl module:
1. Always check if nerdctl is available before running tests
2. Use unique names for containers and images to avoid conflicts
3. Clean up any containers, images, or files created during testing
4. Use assertions to verify expected behavior
5. Print clear messages about what's being tested
6. Handle errors gracefully
7. Make tests independent of each other
8. Keep tests focused on specific functionality

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# OS Module Tests
This document describes the test scripts for the OS module in the SAL library. These tests verify the functionality of the OS module's file system operations, download capabilities, and package management features.
## Test Structure
The tests are organized into three main scripts:
1. **File Operations** (`01_file_operations.rhai`): Tests file system operations like creating, reading, writing, and manipulating files and directories.
2. **Download Operations** (`02_download_operations.rhai`): Tests downloading files from the internet and related operations.
3. **Package Operations** (`03_package_operations.rhai`): Tests package management functionality.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency on the `run_script` function.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
# Assume that you have the herodo binary/built into your system
herodo --path src/rhai_tests/os/run_all_tests.rhai
```
To run individual test scripts:
```bash
# Assume that you have the herodo binary/built into your system
herodo --path src/rhai_tests/os/01_file_operations.rhai
```
## Test Details
### File Operations Test
The file operations test (`01_file_operations.rhai`) verifies the following functions:
- `mkdir`: Creating directories
- `file_write`: Writing content to files
- `file_read`: Reading content from files
- `file_size`: Getting file size
- `file_write_append`: Appending content to files
- `copy`: Copying files
- `mv`: Moving files
- `find_file`: Finding a single file matching a pattern
- `find_files`: Finding multiple files matching a pattern
- `find_dir`: Finding a single directory matching a pattern
- `find_dirs`: Finding multiple directories matching a pattern
- `chdir`: Changing the current working directory
- `rsync`: Synchronizing directories
- `delete`: Deleting files and directories
- `exist`: Checking if files or directories exist
The test creates a temporary directory structure, performs operations on it, and then cleans up after itself.
### Download Operations Test
The download operations test (`02_download_operations.rhai`) verifies the following functions:
- `which`: Checking if a command exists in the system PATH
- `cmd_ensure_exists`: Ensuring commands exist
- `download_file`: Downloading a file from a URL
- `chmod_exec`: Making a file executable
The test downloads a small file from GitHub, verifies its content, and then cleans up.
### Package Operations Test
The package operations test (`03_package_operations.rhai`) verifies the following functions:
- `package_platform`: Getting the current platform
- `package_set_debug`: Setting debug mode for package operations
- `package_is_installed`: Checking if a package is installed
- `package_search`: Searching for packages
- `package_list`: Listing installed packages
Note: The test does not verify `package_install`, `package_remove`, `package_update`, or `package_upgrade` as these require root privileges and could modify the system state.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Contains simplified versions of each test
2. Runs each test in a try/catch block to handle errors
3. Catches and reports any errors
4. Provides a summary of passed and failed tests
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/os` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the OS module:
1. Always clean up temporary files and directories
2. Use assertions to verify expected behavior
3. Print clear messages about what's being tested
4. Handle errors gracefully
5. Make tests independent of each other
6. Avoid tests that require root privileges when possible
7. Keep tests focused on specific functionality

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# PostgreSQL Client Module Tests
The PostgreSQL client module provides functions for connecting to and interacting with PostgreSQL databases. These tests verify the functionality of the module.
## PostgreSQL Client Features
The PostgreSQL client module provides the following features:
1. **Basic PostgreSQL Operations**: Execute queries, fetch results, etc.
2. **Connection Management**: Automatic connection handling and reconnection
3. **Builder Pattern for Configuration**: Flexible configuration with authentication support
4. **PostgreSQL Installer**: Install and configure PostgreSQL using nerdctl
5. **Database Management**: Create databases and execute SQL scripts
## Prerequisites
For basic PostgreSQL operations:
- PostgreSQL server must be running and accessible
- Environment variables should be set for connection details:
- `POSTGRES_HOST`: PostgreSQL server host (default: localhost)
- `POSTGRES_PORT`: PostgreSQL server port (default: 5432)
- `POSTGRES_USER`: PostgreSQL username (default: postgres)
- `POSTGRES_PASSWORD`: PostgreSQL password
- `POSTGRES_DB`: PostgreSQL database name (default: postgres)
For PostgreSQL installer:
- nerdctl must be installed and working
- Docker images must be accessible
- Sufficient permissions to create and manage containers
## Test Files
### 01_postgres_connection.rhai
Tests basic PostgreSQL connection and operations:
- Connecting to PostgreSQL
- Pinging the server
- Creating a table
- Inserting data
- Querying data
- Dropping a table
- Resetting the connection
### 02_postgres_installer.rhai
Tests PostgreSQL installer functionality:
- Installing PostgreSQL using nerdctl
- Creating a database
- Executing SQL scripts
- Checking if PostgreSQL is running
### run_all_tests.rhai
Runs all PostgreSQL client module tests and provides a summary of the results.
## Running the Tests
You can run the tests using the `herodo` command:
```bash
herodo --path src/rhai_tests/postgresclient/run_all_tests.rhai
```
Or run individual tests:
```bash
herodo --path src/rhai_tests/postgresclient/01_postgres_connection.rhai
```
## Available Functions
### Connection Functions
- `pg_connect()`: Connect to PostgreSQL using environment variables
- `pg_ping()`: Ping the PostgreSQL server to check if it's available
- `pg_reset()`: Reset the PostgreSQL client connection
### Query Functions
- `pg_execute(query)`: Execute a query and return the number of affected rows
- `pg_query(query)`: Execute a query and return the results as an array of maps
- `pg_query_one(query)`: Execute a query and return a single row as a map
### Installer Functions
- `pg_install(container_name, version, port, username, password)`: Install PostgreSQL using nerdctl
- `pg_create_database(container_name, db_name)`: Create a new database in PostgreSQL
- `pg_execute_sql(container_name, db_name, sql)`: Execute a SQL script in PostgreSQL
- `pg_is_running(container_name)`: Check if PostgreSQL is running
## Authentication Support
The PostgreSQL client module will support authentication using the builder pattern in a future update.
The backend implementation is ready, but the Rhai bindings are still in development.
When implemented, the builder pattern will support the following configuration options:
- Host: Set the PostgreSQL host
- Port: Set the PostgreSQL port
- User: Set the PostgreSQL username
- Password: Set the PostgreSQL password
- Database: Set the PostgreSQL database name
- Application name: Set the application name
- Connection timeout: Set the connection timeout in seconds
- SSL mode: Set the SSL mode
## Example Usage
### Basic PostgreSQL Operations
```rust
// Connect to PostgreSQL
if (pg_connect()) {
print("Connected to PostgreSQL!");
// Create a table
let create_table_query = "CREATE TABLE IF NOT EXISTS test_table (id SERIAL PRIMARY KEY, name TEXT)";
pg_execute(create_table_query);
// Insert data
let insert_query = "INSERT INTO test_table (name) VALUES ('test')";
pg_execute(insert_query);
// Query data
let select_query = "SELECT * FROM test_table";
let results = pg_query(select_query);
// Process results
for (result in results) {
print(`ID: ${result.id}, Name: ${result.name}`);
}
// Clean up
let drop_query = "DROP TABLE test_table";
pg_execute(drop_query);
}
```
### PostgreSQL Installer
```rust
// Install PostgreSQL
let container_name = "my-postgres";
let postgres_version = "15";
let postgres_port = 5432;
let postgres_user = "myuser";
let postgres_password = "mypassword";
if (pg_install(container_name, postgres_version, postgres_port, postgres_user, postgres_password)) {
print("PostgreSQL installed successfully!");
// Create a database
let db_name = "mydb";
if (pg_create_database(container_name, db_name)) {
print(`Database '${db_name}' created successfully!`);
// Execute a SQL script
let create_table_sql = `
CREATE TABLE users (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
email TEXT UNIQUE NOT NULL
);
`;
let result = pg_execute_sql(container_name, db_name, create_table_sql);
print("Table created successfully!");
// Insert data
let insert_sql = "#
INSERT INTO users (name, email) VALUES
('John Doe', 'john@example.com'),
('Jane Smith', 'jane@example.com');
#";
result = pg_execute_sql(container_name, db_name, insert_sql);
print("Data inserted successfully!");
// Query data
let query_sql = "SELECT * FROM users;";
result = pg_execute_sql(container_name, db_name, query_sql);
print(`Query result: ${result}`);
}
}
```

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# Process Module Tests
This document describes the test scripts for the Process module in the SAL library. These tests verify the functionality of the Process module's command execution and process management features.
## Test Structure
The tests are organized into two main scripts:
1. **Command Execution** (`01_command_execution.rhai`): Tests command execution functions like `run()` and `which()`.
2. **Process Management** (`02_process_management.rhai`): Tests process management functions like `process_list()` and `process_get()`.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/process/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/process/01_command_execution.rhai
```
## Test Details
### Command Execution Test
The command execution test (`01_command_execution.rhai`) verifies the following functions:
- `run()`: Running shell commands
- `run().do()`: Executing commands and capturing output
- `run().silent()`: Running commands without displaying output
- `run().ignore_error()`: Running commands that might fail without throwing errors
- `which()`: Finding the path of an executable
The test runs various commands and verifies their output and exit status.
### Process Management Test
The process management test (`02_process_management.rhai`) verifies the following functions:
- `process_list()`: Listing running processes
- `process_get()`: Getting information about a specific process
- Process properties: Accessing process information like PID, name, CPU usage, and memory usage
The test lists running processes and verifies that their properties are accessible.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Contains simplified versions of each test
2. Runs each test in a try/catch block to handle errors
3. Catches and reports any errors
4. Provides a summary of passed and failed tests
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/process` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the Process module:
1. Use assertions to verify expected behavior
2. Print clear messages about what's being tested
3. Handle errors gracefully
4. Make tests independent of each other
5. Avoid tests that could disrupt the system (e.g., killing important processes)
6. Keep tests focused on specific functionality
7. Clean up any resources created during testing

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# Redis Client Module Tests
This document describes the test scripts for the Redis client module in the SAL library. These tests verify the functionality of the Redis client module's connection management and Redis operations.
## Redis Client Features
The Redis client module provides the following features:
1. **Basic Redis Operations**: SET, GET, DEL, etc.
2. **Hash Operations**: HSET, HGET, HGETALL, HDEL
3. **List Operations**: RPUSH, LPUSH, LLEN, LRANGE
4. **Connection Management**: Automatic connection handling and reconnection
5. **Builder Pattern for Configuration**: Flexible configuration with authentication support
## Test Structure
The tests are organized into two main scripts:
1. **Redis Connection** (`01_redis_connection.rhai`): Tests basic Redis connection and simple operations like PING, SET, GET, and DEL.
2. **Redis Operations** (`02_redis_operations.rhai`): Tests more advanced Redis operations like hash operations (HSET, HGET, HGETALL, HDEL) and list operations (RPUSH, LLEN, LRANGE).
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/redisclient/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/redisclient/01_redis_connection.rhai
```
## Test Details
### Redis Connection Test
The Redis connection test (`01_redis_connection.rhai`) verifies the following functions:
- `redis_ping`: Checking if the Redis server is available
- `redis_set`: Setting a key-value pair
- `redis_get`: Getting a value by key
- `redis_del`: Deleting a key
The test creates a temporary key, performs operations on it, and then cleans up after itself.
### Redis Operations Test
The Redis operations test (`02_redis_operations.rhai`) verifies the following functions:
- Hash operations:
- `redis_hset`: Setting a field in a hash
- `redis_hget`: Getting a field from a hash
- `redis_hgetall`: Getting all fields and values from a hash
- `redis_hdel`: Deleting a field from a hash
- List operations:
- `redis_rpush`: Adding elements to a list
- `redis_llen`: Getting the length of a list
- `redis_lrange`: Getting a range of elements from a list
The test creates temporary keys with a unique prefix, performs operations on them, and then cleans up after itself.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Checks if Redis is available before running tests
2. Skips tests if Redis is not available
3. Contains simplified versions of each test
4. Runs each test in a try/catch block to handle errors
5. Catches and reports any errors
6. Provides a summary of passed, failed, and skipped tests
## Redis Server Requirements
These tests require a Redis server to be running and accessible. The tests will attempt to connect to Redis using the following strategy:
1. First, try to connect via Unix socket at `$HOME/hero/var/myredis.sock`
2. If that fails, try to connect via TCP to `127.0.0.1` on the default Redis port (6379)
If no Redis server is available, the tests will be skipped rather than failing.
## Authentication Support
The Redis client module will support authentication using the builder pattern in a future update.
The backend implementation is ready, but the Rhai bindings are still in development.
When implemented, the builder pattern will support the following configuration options:
- Host: Set the Redis host
- Port: Set the Redis port
- Database: Set the Redis database number
- Username: Set the Redis username (Redis 6.0+)
- Password: Set the Redis password
- TLS: Enable/disable TLS
- Unix socket: Enable/disable Unix socket
- Socket path: Set the Unix socket path
- Connection timeout: Set the connection timeout in seconds
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/redisclient` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the Redis client module:
1. Always check if Redis is available before running tests
2. Use a unique prefix for test keys to avoid conflicts
3. Clean up any keys created during testing
4. Use assertions to verify expected behavior
5. Print clear messages about what's being tested
6. Handle errors gracefully
7. Make tests independent of each other
8. Keep tests focused on specific functionality

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# RFS Module Tests
This document describes the test scripts for the RFS (Remote File System) module in the SAL library. These tests verify the functionality of the RFS module's mount operations and filesystem layer management.
## Test Structure
The tests are organized into two main scripts:
1. **Mount Operations** (`01_mount_operations.rhai`): Tests for mounting, listing, and unmounting filesystems.
2. **Filesystem Layer Operations** (`02_filesystem_layer_operations.rhai`): Tests for packing, unpacking, listing, and verifying filesystem layers.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/rfs/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/rfs/01_mount_operations.rhai
```
## Test Details
### Mount Operations Test
The Mount Operations test (`01_mount_operations.rhai`) verifies the following functions:
- `rfs_mount`: Mounting a filesystem
- Tests mounting a local directory with options
- Verifies mount properties (ID, source, target, type)
- `rfs_list_mounts`: Listing mounted filesystems
- Tests listing all mounts
- Verifies that the mounted filesystem is in the list
- `rfs_get_mount_info`: Getting information about a mounted filesystem
- Tests getting information about a specific mount
- Verifies that the mount information is correct
- `rfs_unmount`: Unmounting a specific filesystem
- Tests unmounting a specific mount
- Verifies that the mount is no longer available
- `rfs_unmount_all`: Unmounting all filesystems
- Tests unmounting all mounts
- Verifies that no mounts remain after the operation
The test also verifies that files in the mounted filesystem are accessible and have the correct content.
### Filesystem Layer Operations Test
The Filesystem Layer Operations test (`02_filesystem_layer_operations.rhai`) verifies the following functions:
- `rfs_pack`: Packing a directory into a filesystem layer
- Tests packing a directory with files and subdirectories
- Verifies that the output file is created
- `rfs_list_contents`: Listing the contents of a filesystem layer
- Tests listing the contents of a packed filesystem layer
- Verifies that the list includes all expected files
- `rfs_verify`: Verifying a filesystem layer
- Tests verifying a packed filesystem layer
- Verifies that the layer is valid
- `rfs_unpack`: Unpacking a filesystem layer
- Tests unpacking a filesystem layer to a directory
- Verifies that all files are unpacked correctly with the right content
The test creates a directory structure with files, packs it into a filesystem layer, and then unpacks it to verify the integrity of the process.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Checks if RFS is available before running tests
2. Skips tests if RFS is not available
3. Contains simplified versions of each test
4. Runs each test in a try/catch block to handle errors
5. Catches and reports any errors
6. Provides a summary of passed, failed, and skipped tests
## RFS Requirements
These tests require the RFS tool to be installed and available in the system's PATH. The tests will check for RFS's availability and skip the tests if it's not found, rather than failing.
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/rfs` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the RFS module:
1. Always check if RFS is available before running tests
2. Clean up any mounts before and after testing
3. Use unique names for test directories and files to avoid conflicts
4. Clean up any files or directories created during testing
5. Use assertions to verify expected behavior
6. Print clear messages about what's being tested
7. Handle errors gracefully
8. Make tests independent of each other
9. Keep tests focused on specific functionality

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# Running Rhai Tests
This document describes how to run the Rhai tests for the SAL library.
## Test Structure
The Rhai tests are organized by module in the `src/rhai_tests` directory:
- `src/rhai_tests/os/`: Tests for the OS module
- `src/rhai_tests/git/`: Tests for the Git module
Each module directory contains:
- Individual test scripts (e.g., `01_file_operations.rhai`)
- A test runner script (`run_all_tests.rhai`) that runs all tests for that module
## Running Tests
### Running All Tests
To run all Rhai tests across all modules, use the provided shell script:
```bash
./run_rhai_tests.sh
```
This script:
1. Finds all test runner scripts in the `src/rhai_tests` directory
2. Runs each test runner
3. Reports the results for each module
4. Provides a summary of all test results
The script will exit with code 0 if all tests pass, or code 1 if any tests fail.
### Running Tests for a Specific Module
To run tests for a specific module, use the `herodo` command with the module's test runner:
```bash
herodo --path src/rhai_tests/os/run_all_tests.rhai
```
### Running Individual Tests
To run a specific test, use the `herodo` command with the test script:
```bash
herodo --path src/rhai_tests/os/01_file_operations.rhai
```
## Test Output
The test output includes:
- Information about what's being tested
- Success or failure messages for each test
- A summary of test results
Successful tests are indicated with a checkmark (✓), while failed tests show an error message.
## Adding New Tests
When adding new tests:
1. Create a new test script in the appropriate module directory
2. Update the module's test runner script to include the new test
3. Update the module's documentation to describe the new test
The `run_rhai_tests.sh` script will automatically find and run the new tests as long as they're included in a module's test runner script.
## Troubleshooting
If tests fail, check the following:
1. Make sure the `herodo` binary is in your PATH
2. Verify that the test scripts have the correct permissions
3. Check for any dependencies required by the tests (e.g., `git` for Git module tests)
4. Look for specific error messages in the test output

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# Text Module Tests
This document describes the test scripts for the Text module in the SAL library. These tests verify the functionality of the Text module's text manipulation, normalization, replacement, and template rendering capabilities.
## Test Structure
The tests are organized into four main scripts:
1. **Text Indentation** (`01_text_indentation.rhai`): Tests for the `dedent` and `prefix` functions.
2. **Filename and Path Normalization** (`02_name_path_fix.rhai`): Tests for the `name_fix` and `path_fix` functions.
3. **Text Replacement** (`03_text_replacer.rhai`): Tests for the `TextReplacer` class and its methods.
4. **Template Rendering** (`04_template_builder.rhai`): Tests for the `TemplateBuilder` class and its methods.
Additionally, there's a runner script (`run_all_tests.rhai`) that executes all tests and reports results. The runner script contains simplified versions of the individual tests to avoid dependency issues.
## Running the Tests
To run all tests, execute the following command from the project root:
```bash
herodo --path src/rhai_tests/text/run_all_tests.rhai
```
To run individual test scripts:
```bash
herodo --path src/rhai_tests/text/01_text_indentation.rhai
```
## Test Details
### Text Indentation Test
The text indentation test (`01_text_indentation.rhai`) verifies the following functions:
- `dedent`: Removes common leading whitespace from multiline strings
- Tests basic indentation removal
- Tests mixed indentation handling
- Tests preservation of empty lines
- Tests handling of text without indentation
- Tests single line indentation removal
- `prefix`: Adds a specified prefix to each line of a multiline string
- Tests basic prefix addition
- Tests empty prefix handling
- Tests prefix addition to empty lines
- Tests prefix addition to single line
- Tests non-space prefix addition
- Combination of `dedent` and `prefix` functions
### Filename and Path Normalization Test
The filename and path normalization test (`02_name_path_fix.rhai`) verifies the following functions:
- `name_fix`: Normalizes filenames
- Tests basic name fixing (spaces to underscores, lowercase conversion)
- Tests special character handling
- Tests multiple special character handling
- Tests non-ASCII character removal
- Tests uppercase conversion
- `path_fix`: Applies `name_fix` to the filename portion of a path
- Tests paths ending with `/` (directories)
- Tests single filename handling
- Tests path with filename handling
- Tests relative path handling
- Tests path with special characters in filename
### Text Replacement Test
The text replacement test (`03_text_replacer.rhai`) verifies the following functions:
- `TextReplacer` with simple replacements
- Tests basic replacement
- Tests multiple replacements
- `TextReplacer` with regex replacements
- Tests basic regex replacement
- Tests case-insensitive regex replacement
- `TextReplacer` with file operations
- Tests `replace_file` (read file, apply replacements, return result)
- Tests `replace_file_to` (read file, apply replacements, write to new file)
- Tests `replace_file_in_place` (read file, apply replacements, write back to same file)
### Template Rendering Test
The template rendering test (`04_template_builder.rhai`) verifies the following functions:
- `TemplateBuilder` with file template
- Tests basic template with string variable
- Tests template with multiple variables of different types
- Tests template with array variable
- Tests template with map variable
- `TemplateBuilder` with file operations
- Tests template from file
- Tests `render_to_file` (render template, write to file)
Note: The `template_builder_open` function expects a file path, not a string template. The test creates template files on disk for testing.
## Test Runner
The test runner script (`run_all_tests.rhai`) provides a framework for executing all tests and reporting results. It:
1. Contains simplified versions of each test
2. Runs each test in a try/catch block to handle errors
3. Catches and reports any errors
4. Provides a summary of passed and failed tests
## Adding New Tests
To add a new test:
1. Create a new Rhai script in the `src/rhai_tests/text` directory
2. Add a new test section to the `run_all_tests.rhai` script
3. Update this documentation to include information about the new test
## Best Practices for Writing Tests
When writing tests for the Text module:
1. Use the `assert_true` and `assert_eq` functions to verify expected behavior
2. Print clear messages about what's being tested
3. Clean up any temporary files or directories created during testing
4. Handle errors gracefully
5. Make tests independent of each other
6. Keep tests focused on specific functionality

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EXAMPLE FILE TO TEST

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# syntax=docker/dockerfile:1
FROM node:lts-alpine
WORKDIR /app
COPY . .
RUN yarn install --production
CMD ["node", "src/index.js"]
EXPOSE 3000

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// 03_process_management.rhai
// Demonstrates process management operations using SAL
// Check if common commands exist
println("Checking if common commands exist:");
let commands = ["ls", "echo", "cat", "grep"];
for cmd in commands {
let exists = which(cmd);
println(` - ${cmd}: ${exists}`);
}
// Run a simple command
println("\nRunning a simple echo command:");
let echo_result = run_command("echo 'Hello from Rhai process management!'");
println(`Command output: ${echo_result.stdout}`);
// The CommandResult type doesn't have an exit_code property
println(`Success: ${echo_result.success}`);
// Run a command silently (no output to console)
println("\nRunning a command silently:");
let silent_result = run_silent("ls -la");
println(`Command success: ${silent_result.success}`);
println(`Command output length: ${silent_result.stdout.len()} characters`);
// Create custom run options
println("\nRunning a command with custom options:");
let options = new_run_options();
options["die"] = false; // Don't return error if command fails
options["silent"] = true; // Suppress output to stdout/stderr
options["async_exec"] = false; // Run synchronously
options["log"] = true; // Log command execution
let custom_result = run("echo 'Custom options test'", options);
println(`Command success: ${custom_result.success}`);
println(`Command output: ${custom_result.stdout}`);
// List processes
println("\nListing processes (limited to 5):");
let processes = process_list("");
let count = 0;
for proc in processes {
if count >= 5 {
break;
}
// Just print the PID since we're not sure what other properties are available
println(` - PID: ${proc.pid}`);
count += 1;
}
println(`Total processes: ${processes.len()}`);
// Run a command that will create a background process
// Note: This is just for demonstration, the process will be short-lived
println("\nRunning a background process:");
let bg_options = new_run_options();
bg_options["async_exec"] = true;
// Fix the command to avoid issues with shell interpretation
let bg_result = run("sleep 1", bg_options);
println("Background process started");
// Wait a moment to let the background process run
run_command("sleep 0.5");
println("Main script continuing while background process runs");
"Process management script completed successfully!"

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// 06_file_read_write.rhai
// Demonstrates file read and write operations using SAL
// Create a test directory
let test_dir = "rhai_file_test_dir";
println(`Creating directory: ${test_dir}`);
let mkdir_result = mkdir(test_dir);
println(`Directory creation result: ${mkdir_result}`);
// Define file paths
let test_file = test_dir + "/test_file.txt";
let append_file = test_dir + "/append_file.txt";
// 1. Write to a file
println(`\n--- Writing to file: ${test_file} ---`);
let content = "This is the first line of text.\nThis is the second line of text.";
let write_result = file_write(test_file, content);
println(`Write result: ${write_result}`);
// 2. Read from a file
println(`\n--- Reading from file: ${test_file} ---`);
let read_content = file_read(test_file);
println("File content:");
println(read_content);
// 3. Append to a file
println(`\n--- Creating and appending to file: ${append_file} ---`);
// First create the file with initial content
let initial_content = "Initial content - line 1\nInitial content - line 2\n";
let create_result = file_write(append_file, initial_content);
println(`Create result: ${create_result}`);
// Now append to the file
let append_content = "Appended content - line 3\nAppended content - line 4\n";
let append_result = file_write_append(append_file, append_content);
println(`Append result: ${append_result}`);
// Read the appended file to verify
println(`\n--- Reading appended file: ${append_file} ---`);
let appended_content = file_read(append_file);
println("Appended file content:");
println(appended_content);
// 4. Demonstrate multiple appends
println(`\n--- Demonstrating multiple appends ---`);
for i in range(1, 4) {
// Use a simple counter instead of timestamp to avoid issues
let log_entry = `Log entry #${i} - appended at iteration ${i}\n`;
file_write_append(append_file, log_entry);
println(`Added log entry #${i}`);
}
// Read the final file content
println(`\n--- Final file content after multiple appends ---`);
let final_content = file_read(append_file);
println(final_content);
// Clean up (uncomment to actually delete the files)
// println("\nCleaning up...");
// delete(test_file);
// delete(append_file);
// delete(test_dir);
// println("Cleanup complete");
"File read/write operations script completed successfully!"

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// File: /root/code/git.ourworld.tf/herocode/sal/examples/container_example.rs
use std::error::Error;
use sal::virt::nerdctl::Container;
fn main() -> Result<(), Box<dyn Error>> {
// Create a container from an image
println!("Creating container from image...");
let container = Container::from_image("my-nginx", "nginx:latest")?
.with_port("8080:80")
.with_env("NGINX_HOST", "example.com")
.with_volume("/tmp/nginx:/usr/share/nginx/html")
.with_health_check("curl -f http://localhost/ || exit 1")
.with_detach(true)
.build()?;
println!("Container created successfully");
// Execute a command in the container
println!("Executing command in container...");
let result = container.exec("echo 'Hello from container'")?;
println!("Command output: {}", result.stdout);
// Get container status
println!("Getting container status...");
let status = container.status()?;
println!("Container status: {}", status.status);
// Get resource usage
println!("Getting resource usage...");
let resources = container.resources()?;
println!("CPU usage: {}", resources.cpu_usage);
println!("Memory usage: {}", resources.memory_usage);
// Stop and remove the container
println!("Stopping and removing container...");
container.stop()?;
container.remove()?;
println!("Container stopped and removed");
// Get a container by name (if it exists)
println!("\nGetting a container by name...");
match Container::new("existing-container") {
Ok(container) => {
if container.container_id.is_some() {
println!("Found container with ID: {}", container.container_id.as_ref().unwrap());
// Perform operations on the existing container
let status = container.status()?;
println!("Container status: {}", status.status);
} else {
println!("Container exists but has no ID");
}
},
Err(e) => {
println!("Error getting container: {}", e);
}
}
Ok(())
}

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// containerd_grpc_setup.rhai
//
// This script sets up a Rust project with gRPC connectivity to containerd
// Following the steps from the instructions document
run("apt-get -y protobuf-compiler ");
// Step 1: Set up project directory
let project_dir = "/tmp/containerd-rust-client";
print(`Setting up project in: ${project_dir}`);
// Clean up any existing directory
if exist(project_dir) {
print("Found existing project directory, removing it...");
delete(project_dir);
}
// Create our project directory
mkdir(project_dir);
// Change to the project directory
chdir(project_dir);
// Step 2: Clone containerd's gRPC proto files
print("Cloning containerd repository to get proto files...");
let git_tree = gittree_new(project_dir);
let repos = git_tree.get("https://github.com/containerd/containerd.git");
let repo = repos[0];
print(`Cloned containerd repository to: ${repo.path()}`);
// Step 3: Create necessary project files
print("Creating Cargo.toml file...");
// Using raw string with # for multiline content
let cargo_toml = #"
[package]
name = "containerd-rust-client"
version = "0.1.0"
edition = "2021"
[dependencies]
tonic = "0.11"
prost = "0.12"
tokio = { version = "1", features = ["full"] }
hyper-unix-connector = "0.2.0"
tower = "0.4"
[build-dependencies]
tonic-build = "0.11"
"#;
file_write("Cargo.toml", cargo_toml);
print("Created Cargo.toml file");
// Step 4: Set up build.rs to compile protos
print("Creating build.rs file...");
let build_rs = #"
fn main() {
println!("cargo:rerun-if-changed=containerd/api/services/images/v1/images.proto");
println!("cargo:rerun-if-changed=containerd/api/services/containers/v1/containers.proto");
tonic_build::configure()
.build_server(false)
.compile(
&[
"containerd/api/services/images/v1/images.proto",
"containerd/api/services/containers/v1/containers.proto",
// Add more proto files as needed
],
&[
"containerd",
"containerd/api",
"containerd/api/types"
],
)
.unwrap();
}
"#;
file_write("build.rs", build_rs);
print("Created build.rs file");
// Step 5: Create src directory and main.rs file
mkdir("src");
// Create a helper function for Unix socket connection
print("Creating src/main.rs file...");
let main_rs = #"
use tonic::transport::{Channel, Endpoint, Uri};
use tower::service_fn;
use std::convert::TryFrom;
// The proto-generated modules will be available after build
// use containerd::services::images::v1::{
// images_client::ImagesClient,
// GetImageRequest,
// };
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
println!("Connecting to containerd gRPC...");
// Path to containerd socket
let socket_path = "/run/containerd/containerd.sock";
// Connect to the Unix socket
let channel = unix_socket_channel(socket_path).await?;
// Now we'd create a client and use it
// let mut client = ImagesClient::new(channel);
// let response = client.get(GetImageRequest {
// name: "docker.io/library/ubuntu:latest".to_string(),
// }).await?;
// println!("Image: {:?}", response.into_inner());
println!("Connection to containerd socket established successfully!");
println!("This is a template - uncomment the client code after building.");
Ok(())
}
// Helper function to connect to Unix socket
async fn unix_socket_channel(path: &str) -> Result<Channel, Box<dyn std::error::Error>> {
// Use a placeholder URI since Unix sockets don't have URIs
let endpoint = Endpoint::try_from("http://[::]:50051")?;
// The socket path to connect to
let path_to_connect = path.to_string();
// Create a connector function that connects to the Unix socket
let channel = endpoint
.connect_with_connector(service_fn(move |_: Uri| {
let path = path_to_connect.clone();
async move {
tokio::net::UnixStream::connect(path)
.await
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
}
}))
.await?;
Ok(channel)
}
"#;
file_write("src/main.rs", main_rs);
print("Created src/main.rs file");
// Step 6: Create a README.md file
print("Creating README.md file...");
// Using raw string with # for multiline content containing markdown backticks
let readme = #"# containerd Rust gRPC Client
A Rust client for interacting with containerd via gRPC.
## Prerequisites
- Rust and Cargo installed
- containerd running on your system
## Building
```bash
cargo build
```
## Running
```bash
cargo run
```
## Features
- Connect to containerd via Unix socket
- Query image information
- Work with containers
## Structure
- `src/main.rs` - Example client code
- `build.rs` - Proto compilation script
"#;
file_write("README.md", readme);
print("Created README.md file");
// Step 7: Build the project
print("Building the project...");
let build_result = run("cargo build");
if build_result.success {
print("Project built successfully!");
} else {
print(`Build failed with error: ${build_result.stderr}`);
}
print(`
--------------------------------------
🎉 Setup complete!
Project created at: ${project_dir}
To use the project:
1. cd ${project_dir}
2. cargo run
Note: Make sure containerd is running and the socket exists at /run/containerd/containerd.sock
--------------------------------------
`);

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examples/_archive/download_test.rhai
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@ -1,105 +0,0 @@
print("\n=== Test download() Functionality ===");
// Create test directory
let download_dir = "/tmp/downloadtest";
// Clean up any previous test files
delete(download_dir);
mkdir(download_dir);
print("Created test directory for downloads at " + download_dir);
// Test URLs
let zip_url = "https://github.com/freeflowuniverse/herolib/archive/refs/tags/v1.0.24.zip";
let targz_url = "https://github.com/freeflowuniverse/herolib/archive/refs/tags/v1.0.24.tar.gz";
let binary_url = "https://github.com/freeflowuniverse/herolib/releases/download/v1.0.24/hero-aarch64-unknown-linux-musl";
// Create destinations
let zip_dest = `${download_dir}/zip`;
let targz_dest = `${download_dir}/targz`;
let binary_dest = `${download_dir}/hero-binary`;
//PART 1
// Download and extract .zip file
print("\nTesting .zip download:");
// Download function now extracts zip files automatically
let result = download(zip_url, zip_dest, 0);
// Check if files were extracted
let file_count = find_files(zip_dest, "*").len();
print(` Files found after extraction: ${file_count}`);
let success_msg = if file_count > 0 { "yes" } else { "no" };
print(` Extraction successful: ${success_msg}`);
//PART 2
// Download and extract .tar.gz file
print("\nTesting .tar.gz download:");
let result = download(targz_url, targz_dest, 0);
// Check if files were extracted (download function should extract tar.gz automatically)
let file_count = find_files(targz_dest, "*").len();
print(` Files found after extraction: ${file_count}`);
let success_msg = if file_count > 100 { "yes" } else { "no" };
print(` Extraction successful: ${success_msg}`);
//PART 3
// Download binary file and check size
print("\nTesting binary download:");
download_file(binary_url, binary_dest, 8000);
// Check file size using our new file_size function
let size_bytes = file_size(binary_dest);
let size_mb = size_bytes / (1024 * 1024);
print(` File size: ${size_mb} MB`);
let size_check = if size_mb > 5 { "yes" } else { "no" };
print(` Size > 5MB: ${size_check}`);
let success_msg = if size_mb >= 8 > 100 { "yes" } else { "no" };
print(` Minimum size check passed:${success_msg}`);
// Clean up test files
delete(download_dir);
print("Cleaned up test directory");
//PART 4
// Test the new download_file function
print("\nTesting download_file function:");
let text_url = "https://raw.githubusercontent.com/freeflowuniverse/herolib/main/README.md";
let text_file_dest = `${download_dir}/README.md`;
// Create the directory again for this test
mkdir(download_dir);
// Download a text file using the new download_file function
let file_result = download_file(text_url, text_file_dest, 0);
print(` File downloaded to: ${file_result}`);
// Check if the file exists and has content
let file_exists = exist(text_file_dest);
print(` File exists: ${file_exists}`);
let file_content = file_read(text_file_dest);
let content_check = if file_content.len() > 100 { "yes" } else { "no" };
print(` File has content: ${content_check}`);
//PART 5
// Test the new chmod_exec function
print("\nTesting chmod_exec function:");
// Create a simple shell script
let script_path = `${download_dir}/test_script.sh`;
file_write(script_path, "#!/bin/sh\necho 'Hello from test script'");
// Make it executable
let chmod_result = chmod_exec(script_path);
print(` ${chmod_result}`);
// Clean up test files again
delete(download_dir);
print("Cleaned up test directory");
print("\nAll Download Tests completed successfully!");
"Download Tests Success"
"Download Tests Success"

217
examples/_archive/fs_test.rhai
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@ -1,217 +0,0 @@
// Comprehensive file system operations test script with assertions
print("===== File System Operations Test =====");
// Helper functions for testing
fn assert(condition, message) {
if (condition == false) {
print(`FAILED: ${message}`);
throw `Assertion failed: ${message}`;
} else {
print(`PASSED: ${message}`);
}
}
fn assert_equal(actual, expected, message) {
// Convert numbers to strings before comparison to avoid type issues
let actual_str = actual.to_string();
let expected_str = expected.to_string();
if (actual_str != expected_str) {
print(`FAILED: ${message} - Expected '${expected}', got '${actual}'`);
throw `Assertion failed: ${message}`;
} else {
print(`PASSED: ${message}`);
}
}
fn assert_true(value, message) {
assert(value, message);
}
fn assert_false(value, message) {
assert(value == false, message);
}
// Directory for tests
let test_dir = "/tmp/herodo_test_fs";
let tests_total = 0;
// Setup - create test directory
print("\n=== Setup ===");
if exist(test_dir) {
print(`Test directory exists, removing it first...`);
let result = delete(test_dir);
// Function will throw an error if it fails
assert_false(exist(test_dir), "Test directory should not exist after deletion");
}
// Test mkdir
print("\n=== Test mkdir() ===");
print(`Creating test directory: ${test_dir}`);
tests_total += 1;
let mkdir_result = mkdir(test_dir);
// Now can directly use the returned success message
assert_true(exist(test_dir), "Test directory should exist after creation");
// Test mkdir with nested paths
print(`Creating nested directory: ${test_dir}/subdir/nested`);
tests_total += 1;
let nested_result = mkdir(`${test_dir}/subdir/nested`);
assert_true(exist(`${test_dir}/subdir/nested`), "Nested directory should exist after creation");
// Test duplicate mkdir (should not error)
print(`Creating existing directory again: ${test_dir}`);
tests_total += 1;
let duplicate_result = mkdir(test_dir);
// This should just return a message that directory already exists
// Test file creation using run
print("\n=== Test file creation ===");
let file1 = `${test_dir}/file1.txt`;
let file2 = `${test_dir}/file2.txt`;
let file3 = `${test_dir}/subdir/file3.txt`;
// Create files
print(`Creating test files...`);
let touch_cmd = `touch ${file1} ${file2} ${file3}`;
let touch_result = run(touch_cmd);
tests_total += 1;
assert_true(touch_result.success, "File creation using touch should succeed");
// Verify files exist
print(`Verifying files exist...`);
tests_total += 1;
assert_true(exist(file1), "File 1 should exist after creation");
assert_true(exist(file2), "File 2 should exist after creation");
assert_true(exist(file3), "File 3 should exist after creation");
print("All test files were created successfully");
// Test copy
print("\n=== Test copy() ===");
let copy_file = `${test_dir}/file1_copy.txt`;
print(`Copying ${file1} to ${copy_file}`);
tests_total += 1;
let copy_result = copy(file1, copy_file);
tests_total += 1;
assert_true(exist(copy_file), "Copied file should exist");
// Test directory copy
print(`Copying directory ${test_dir}/subdir to ${test_dir}/subdir_copy`);
tests_total += 1;
let dir_copy_result = copy(`${test_dir}/subdir`, `${test_dir}/subdir_copy`);
tests_total += 1;
assert_true(exist(`${test_dir}/subdir_copy`), "Copied directory should exist");
tests_total += 1;
assert_true(exist(`${test_dir}/subdir_copy/file3.txt`), "Files in copied directory should exist");
// Test file searching
print("\n=== Test find_file() and find_files() ===");
// Create log files for testing search
print("Creating log files for testing search...");
let log_file1 = `${test_dir}/subdir/test1.log`;
let log_file2 = `${test_dir}/subdir/test2.log`;
let log_file3 = `${test_dir}/subdir_copy/test3.log`;
let log_touch_cmd = `touch ${log_file1} ${log_file2} ${log_file3}`;
let log_touch_result = run(log_touch_cmd);
tests_total += 1;
assert_true(log_touch_result.success, "Log file creation should succeed");
// Verify log files exist
print("Verifying log files exist...");
assert_true(exist(log_file1), "Log file 1 should exist after creation");
assert_true(exist(log_file2), "Log file 2 should exist after creation");
assert_true(exist(log_file3), "Log file 3 should exist after creation");
print("All log files were created successfully");
// Test find_file
print("Testing find_file for a single file:");
let found_file = find_file(test_dir, "file1.txt");
tests_total += 1;
assert_true(found_file.to_string().contains("file1.txt"), "find_file should find the correct file");
// Test find_file with wildcard
print("Testing find_file with wildcard:");
let log_file = find_file(test_dir, "*.log");
print(`Found log file: ${log_file}`);
tests_total += 1;
// Check if the log file path contains '.log'
let is_log_file = log_file.to_string().contains(".log");
assert_true(is_log_file, "find_file should find a log file");
// Test find_files
print("Testing find_files with wildcard:");
let log_files = find_files(test_dir, "*.log");
print(`Found ${log_files.len()} log files with find_files`);
tests_total += 1;
assert_equal(log_files.len(), 3, "find_files should find all 3 log files");
// Test find_dir
print("\n=== Test find_dir() and find_dirs() ===");
let found_dir = find_dir(test_dir, "subdir");
tests_total += 1;
assert_true(found_dir.to_string().contains("subdir"), "find_dir should find the correct directory");
// Test find_dirs
let all_dirs = find_dirs(test_dir, "*dir*");
tests_total += 1;
assert_equal(all_dirs.len(), 2, "find_dirs should find both 'subdir' and 'subdir_copy'");
tests_total += 2;
assert_true(all_dirs.contains(`${test_dir}/subdir`), "find_dirs should include the 'subdir' directory");
assert_true(all_dirs.contains(`${test_dir}/subdir_copy`), "find_dirs should include the 'subdir_copy' directory");
// Test sync by manually copying instead of rsync
print("\n=== Test sync() ===");
print(`Copying directory ${test_dir}/subdir to ${test_dir}/sync_target`);
tests_total += 1;
let sync_result = copy(`${test_dir}/subdir`, `${test_dir}/sync_target`);
tests_total += 1;
assert_true(exist(`${test_dir}/sync_target`), "Sync target directory should exist");
// Create test files in sync target to verify they exist
print("Creating test files in sync target...");
let sync_file1 = `${test_dir}/sync_target/sync_test1.log`;
let sync_file2 = `${test_dir}/sync_target/sync_test2.log`;
let sync_touch_cmd = `touch ${sync_file1} ${sync_file2}`;
let sync_touch_result = run(sync_touch_cmd);
tests_total += 1;
assert_true(sync_touch_result.success, "Creating test files in sync target should succeed");
tests_total += 1;
assert_true(exist(sync_file1), "Test files should exist in sync target");
// Test delete
print("\n=== Test delete() ===");
print(`Deleting file: ${copy_file}`);
tests_total += 1;
let delete_file_result = delete(copy_file);
tests_total += 1;
assert_false(exist(copy_file), "File should not exist after deletion");
// Test delete non-existent file (should be defensive)
print(`Deleting non-existent file:`);
tests_total += 1;
let nonexistent_result = delete(`${test_dir}/nonexistent.txt`);
// This should not throw an error, just inform no file was deleted
// Test delete directory
print(`Deleting directory: ${test_dir}/subdir_copy`);
tests_total += 1;
let dir_delete_result = delete(`${test_dir}/subdir_copy`);
tests_total += 1;
assert_false(exist(`${test_dir}/subdir_copy`), "Directory should not exist after deletion");
// Cleanup
print("\n=== Cleanup ===");
print(`Removing test directory: ${test_dir}`);
tests_total += 1;
let cleanup_result = delete(test_dir);
tests_total += 1;
assert_false(exist(test_dir), "Test directory should not exist after cleanup");
// Test summary
print("\n===== Test Summary =====");
print(`Total tests run: ${tests_total}`);
print(`All tests passed!`);
"File System Test Success - All tests passed"

32
examples/_archive/install_deb.rhai
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@ -1,32 +0,0 @@
fn dragonfly(){
download("https://github.com/dragonflyoss/dragonfly/releases/download/v2.2.1/dragonfly-2.2.1-linux-amd64.tar.gz", "/tmp/dragonfly", 55000);
copy("/tmp/dragonfly","/root/hero/bin");
delete("/tmp/dragonfly");
}
fn nydus(){
let url="https://github.com/dragonflyoss/nydus/releases/download/v2.3.1/nydus-static-v2.3.1-linux-amd64.tgz";
download(url,"/tmp/nydus",20);
copy("/tmp/nydus/nydus-static/*","/root/hero/bin/");
delete("/tmp/nydus");
}
fn nerdctl(){
let name="nerctl"
let url="https://github.com/containerd/nerdctl/releases/download/v2.0.4/nerdctl-2.0.4-linux-amd64.tar.gz"
download(url,"/tmp/nydus",20);
//copy(`/tmp/{name}/*`,"/root/hero/bin/");
//delete("/tmp/{name}");
let name="containerd"
let url="https://github.com/containerd/containerd/releases/download/v2.0.4/containerd-2.0.4-linux-amd64.tar.gz";
download(url,"/tmp/nydus",20);
//copy(`/tmp/{name}/*`,"/root/hero/bin/");
//delete("/tmp/{name}");
}
nydus();
"done"

124
examples/_archive/instructions_grpc.md
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@ -1,124 +0,0 @@
## ✅ Step-by-step: Connect Rust to containerd via gRPC
CREATE A rhai script executing the following instructions below
use all rhai script features we have + give priority to what functions we have defined in /src/docs/docs/sal in this repo
---
### 1. 🧱 Install Dependencies
Add this to your `Cargo.toml`:
```toml
[dependencies]
tonic = "0.11"
prost = "0.12"
tokio = { version = "1", features = ["full"] }
[build-dependencies]
tonic-build = "0.11"
```
---
### 2. 📁 Clone containerd's gRPC proto files
```bash
git clone https://github.com/containerd/containerd.git
cd containerd
```
Containerd's API protos are in:
```
api/services/ # gRPC service definitions
api/types/ # message types
```
---
### 3. 📦 Set up `build.rs` to compile protos
In your Rust project root, create a `build.rs` file:
```rust
fn main() {
tonic_build::configure()
.build_server(false)
.compile(
&[
"containerd/api/services/images/v1/images.proto",
"containerd/api/services/containers/v1/containers.proto",
// Add more proto files as needed
],
&[
"containerd/api",
"containerd/api/types"
],
)
.unwrap();
}
```
Make sure to place the `containerd` directory somewhere your build can see — for example, symlink it or move it into your project as `proto/containerd`.
---
### 4. 🧪 Example: Connect to containerd's image service
After `build.rs` compiles the protos, your code can access them like this:
```rust
use tonic::transport::Channel;
use containerd::services::images::v1::{
images_client::ImagesClient,
GetImageRequest,
};
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Connect to containerd's gRPC socket (default path)
let channel = Channel::from_static("http://[::]:50051") // placeholder
.connect()
.await?;
let mut client = ImagesClient::new(channel);
let response = client.get(GetImageRequest {
name: "docker.io/library/ubuntu:latest".to_string(),
}).await?;
println!("Image: {:?}", response.into_inner());
Ok(())
}
```
🔧 Note: containerd uses a **Unix socket**, so replace the channel connection with:
```rust
use tonic::transport::{Endpoint, Uri};
use tower::service_fn;
use hyper_unix_connector::UnixConnector;
let uds = tokio::net::UnixStream::connect("/run/containerd/containerd.sock").await?;
let channel = Endpoint::try_from("http://[::]:50051")?
.connect_with_connector(service_fn(move |_| async move {
Ok::<_, std::io::Error>(uds)
}))
.await?;
```
(We can wrap that part into a helper if you want.)
---
### 5. 🔁 Rebuild the project
Each time you add or change a `.proto`, rebuild to regenerate code:
```bash
cargo clean && cargo build
```

113
examples/_archive/package_management.rhai
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@ -1,113 +0,0 @@
// Example script demonstrating the mypackage management functions
// Set debug mode to true to see detailed output
package_set_debug(true);
// Function to demonstrate mypackage management on Ubuntu
fn demo_ubuntu() {
print("Demonstrating mypackage management on Ubuntu...");
// Update mypackage lists
print("Updating mypackage lists...");
let result = package_update();
print(`Update result: ${result}`);
// Check if a mypackage is installed
let mypackage = "htop";
print(`Checking if ${mypackage} is installed...`);
let is_installed = package_is_installed(mypackage);
print(`${mypackage} is installed: ${is_installed}`);
// Install a mypackage if not already installed
if !is_installed {
print(`Installing ${mypackage}...`);
let install_result = package_install(mypackage);
print(`Install result: ${install_result}`);
}
// List installed packages (limited to first 5 for brevity)
print("Listing installed packages (first 5)...");
let packages = package_list();
for i in 0..min(5, packages.len()) {
print(` - ${packages[i]}`);
}
// Search for packages
let search_term = "editor";
print(`Searching for packages with term '${search_term}'...`);
let search_results = package_search(search_term);
print(`Found ${search_results.len()} packages. First 5 results:`);
for i in 0..min(5, search_results.len()) {
print(` - ${search_results[i]}`);
}
// Remove the mypackage if we installed it
if !is_installed {
print(`Removing ${mypackage}...`);
let remove_result = package_remove(mypackage);
print(`Remove result: ${remove_result}`);
}
}
// Function to demonstrate mypackage management on macOS
fn demo_macos() {
print("Demonstrating mypackage management on macOS...");
// Update mypackage lists
print("Updating mypackage lists...");
let result = package_update();
print(`Update result: ${result}`);
// Check if a mypackage is installed
let mypackage = "wget";
print(`Checking if ${mypackage} is installed...`);
let is_installed = package_is_installed(mypackage);
print(`${mypackage} is installed: ${is_installed}`);
// Install a mypackage if not already installed
if !is_installed {
print(`Installing ${mypackage}...`);
let install_result = package_install(mypackage);
print(`Install result: ${install_result}`);
}
// List installed packages (limited to first 5 for brevity)
print("Listing installed packages (first 5)...");
let packages = package_list();
for i in 0..min(5, packages.len()) {
print(` - ${packages[i]}`);
}
// Search for packages
let search_term = "editor";
print(`Searching for packages with term '${search_term}'...`);
let search_results = package_search(search_term);
print(`Found ${search_results.len()} packages. First 5 results:`);
for i in 0..min(5, search_results.len()) {
print(` - ${search_results[i]}`);
}
// Remove the mypackage if we installed it
if !is_installed {
print(`Removing ${mypackage}...`);
let remove_result = package_remove(mypackage);
print(`Remove result: ${remove_result}`);
}
}
// Detect platform and run the appropriate demo
fn main() {
// Create a PackHero instance to detect the platform
let platform = package_platform();
if platform == "Ubuntu" {
demo_ubuntu();
} else if platform == "MacOS" {
demo_macos();
} else {
print(`Unsupported platform: ${platform}`);
}
}
// Run the main function
main();

100
examples/_archive/package_test.rs
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@ -1,100 +0,0 @@
//! Example of using the package management module
//!
//! This example demonstrates how to use the package management module
//! to install, remove, and manage packages on different platforms.
use sal::os::package::{PackHero, Platform};
fn main() {
// Create a new PackHero instance
let mut hero = PackHero::new();
// Enable debug output
hero.set_debug(true);
// Detect the platform
let platform = hero.platform();
println!("Detected platform: {:?}", platform);
// Only proceed if we're on a supported platform
if platform == Platform::Unknown {
println!("Unsupported platform. This example only works on Ubuntu and macOS.");
return;
}
// Test package to install/check
let test_package = if platform == Platform::Ubuntu { "wget" } else { "wget" };
// Check if the package is installed
match hero.is_installed(test_package) {
Ok(is_installed) => {
println!("Package {} is installed: {}", test_package, is_installed);
if is_installed {
println!("Package {} is already installed", test_package);
} else {
println!("Package {} is not installed, attempting to install...", test_package);
// Try to install the package
match hero.install(test_package) {
Ok(_) => println!("Successfully installed package {}", test_package),
Err(e) => println!("Failed to install package {}: {}", test_package, e),
}
// Check if it was installed successfully
match hero.is_installed(test_package) {
Ok(is_installed_now) => {
if is_installed_now {
println!("Verified package {} was installed successfully", test_package);
} else {
println!("Package {} was not installed successfully", test_package);
}
},
Err(e) => println!("Error checking if package is installed: {}", e),
}
}
},
Err(e) => println!("Error checking if package is installed: {}", e),
}
// Search for packages
let search_term = "wget";
println!("Searching for packages with term '{}'...", search_term);
match hero.search(search_term) {
Ok(results) => {
println!("Found {} packages matching '{}'", results.len(), search_term);
for (i, package) in results.iter().enumerate().take(5) {
println!(" {}. {}", i + 1, package);
}
if results.len() > 5 {
println!(" ... and {} more", results.len() - 5);
}
},
Err(e) => println!("Error searching for packages: {}", e),
}
// List installed packages
println!("Listing installed packages...");
match hero.list_installed() {
Ok(packages) => {
println!("Found {} installed packages", packages.len());
println!("First 5 installed packages:");
for (i, package) in packages.iter().enumerate().take(5) {
println!(" {}. {}", i + 1, package);
}
if packages.len() > 5 {
println!(" ... and {} more", packages.len() - 5);
}
},
Err(e) => println!("Error listing installed packages: {}", e),
}
// Update package lists
println!("Updating package lists...");
match hero.update() {
Ok(_) => println!("Successfully updated package lists"),
Err(e) => println!("Error updating package lists: {}", e),
}
println!("Package management example completed");
}

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examples/_archive/process_long.rhai
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let x=0;
while x < 100 {
run(`
find /
ls /
`);
// sleep(100);
x=x+1;
}
"Process Management Test Success - All tests passed"

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examples/_archive/process_silent_test.rhai
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@ -1,80 +0,0 @@
// Test script for run_silent functionality
print("===== Testing run_silent functionality =====");
// Helper function for assertions
fn assert(condition, message) {
if (condition == false) {
print(`FAILED: ${message}`);
throw `Assertion failed: ${message}`;
} else {
print(`PASSED: ${message}`);
}
}
// Test 1: Basic run_silent with a successful command
print("\n=== Test 1: Basic run_silent with successful command ===");
let silent_result = run_silent("echo This output should not be visible");
print("Result from silent echo command:");
print(` success: ${silent_result.success}`);
print(` code: ${silent_result.code}`);
print(` stdout length: ${silent_result.stdout.len()}`);
print(` stderr length: ${silent_result.stderr.len()}`);
// Assert that the command succeeded
assert(silent_result.success, "Silent command should succeed");
assert(silent_result.code.to_string() == "0", "Silent command should exit with code 0");
// Verify that stdout and stderr are empty as expected
assert(silent_result.stdout == "", "Silent command stdout should be empty");
assert(silent_result.stderr == "", "Silent command stderr should be empty");
// Test 2: Compare with regular run function
print("\n=== Test 2: Compare with regular run function ===");
let normal_result = run("echo This output should be visible");
print("Result from normal echo command:");
print(` success: ${normal_result.success}`);
print(` code: ${normal_result.code}`);
print(` stdout: "${normal_result.stdout.trim()}"`);
print(` stderr length: ${normal_result.stderr.len()}`);
// Assert that the command succeeded
assert(normal_result.success, "Normal command should succeed");
assert(normal_result.code.to_string() == "0", "Normal command should exit with code 0");
// Verify that stdout is not empty
assert(normal_result.stdout != "", "Normal command stdout should not be empty");
assert(normal_result.stdout.contains("visible"), "Normal command stdout should contain our message");
// Test 3: run_silent with a failing command
print("\n=== Test 3: run_silent with a failing command ===");
let silent_fail = run_silent("ls /directory_that_does_not_exist");
print("Result from silent failing command:");
print(` success: ${silent_fail.success}`);
print(` code: ${silent_fail.code}`);
print(` stdout length: ${silent_fail.stdout.len()}`);
print(` stderr length: ${silent_fail.stderr.len()}`);
// Assert that the command failed but didn't throw an error
assert(silent_fail.success == false, "Silent failing command should have success=false");
assert(silent_fail.code.to_string() != "0", "Silent failing command should have non-zero exit code");
// Verify that stdout and stderr are still empty for silent commands
assert(silent_fail.stdout == "", "Silent failing command stdout should be empty");
assert(silent_fail.stderr == "", "Silent failing command stderr should be empty");
// Test 4: Normal run with a failing command
print("\n=== Test 4: Normal run with a failing command ===");
let normal_fail = run("ls /directory_that_does_not_exist");
print("Result from normal failing command:");
print(` success: ${normal_fail.success}`);
print(` code: ${normal_fail.code}`);
print(` stdout length: ${normal_fail.stdout.len()}`);
print(` stderr length: ${normal_fail.stderr.len()}`);
// Assert that the command failed
assert(normal_fail.success == false, "Normal failing command should have success=false");
assert(normal_fail.code.to_string() != "0", "Normal failing command should have non-zero exit code");
// Verify that stderr is not empty for normal commands
assert(normal_fail.stderr != "", "Normal failing command stderr should not be empty");
print("\n===== All run_silent tests passed! =====");
"run_silent function works correctly"

149
examples/_archive/process_test.rhai
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// Comprehensive process management test script with assertions
print("===== Process Management Test =====");
// Helper functions for testing
fn assert(condition, message) {
if (condition == false) {
print(`FAILED: ${message}`);
throw `Assertion failed: ${message}`;
} else {
print(`PASSED: ${message}`);
}
}
fn assert_equal(actual, expected, message) {
// Convert numbers to strings before comparison to avoid type issues
let actual_str = actual.to_string();
let expected_str = expected.to_string();
if (actual_str != expected_str) {
print(`FAILED: ${message} - Expected '${expected}', got '${actual}'`);
throw `Assertion failed: ${message}`;
} else {
print(`PASSED: ${message}`);
}
}
fn assert_true(value, message) {
assert(value, message);
}
fn assert_false(value, message) {
assert(value == false, message);
}
let tests_total = 0;
// Test which() - command existence
print("\n=== Test which() ===");
// Check common commands that should exist
let commands = ["grep"];
print("Testing existence of common commands:");
for cmd in commands {
tests_total += 1;
let exists = which(cmd);
assert_true(exists, `Command '${cmd}' should exist`);
// Check that it returned a path by checking if it's not false
assert_true(exists != false, `Command '${cmd}' path should be a string`);
print(` Command '${cmd}' exists at: ${exists}`);
}
// Check a command that shouldn't exist
print("Testing non-existent command:");
let invalid_cmd = "this_command_should_not_exist_anywhere";
tests_total += 1;
let invalid_exists = which(invalid_cmd);
assert_false(invalid_exists, `Non-existent command '${invalid_cmd}' should return false`);
// Test run() - Basic command execution
print("\n=== Test run() - Basic ===");
print("Running simple echo command:");
let echo_result = run("echo Hello from process test");
tests_total += 1;
assert_true(echo_result.success, "Echo command should succeed");
tests_total += 1;
assert_equal(echo_result.code, 0, "Echo command should exit with code 0");
tests_total += 1;
// Print the actual output for debugging
let expected_text = "Hello from process test";
let actual_text = echo_result.stdout.trim();
print(`Expected text: "${expected_text}"`);
print(`Actual text: "${actual_text}"`);
// Simplify the test - we'll just assert that the command worked successfully
// since we can see the output in the logs
tests_total += 1;
assert_true(echo_result.success, "Echo command should output something");
print("Note: Manual verification confirms the command output looks correct");
print(` stdout: ${echo_result.stdout}`);
// Run a command that fails
print("Running a command that should fail:");
let fail_result = run("ls /directory_that_does_not_exist");
tests_total += 1;
assert_false(fail_result.success, "Command with invalid directory should fail");
tests_total += 1;
// Convert to string to compare
assert_true(fail_result.code.to_string() != "0", "Failed command should have non-zero exit code");
tests_total += 1;
// Check if stderr is not empty by converting to string
assert_true(fail_result.stderr != "", "Failed command should have error output");
print(` stderr: ${fail_result.stderr}`);
print(` exit code: ${fail_result.code}`);
// Test process_list()
print("\n=== Test process_list() ===");
// List all processes
let all_processes = process_list("");
tests_total += 1;
assert_true(all_processes.len() > 0, "At least some processes should be running");
print(`Total processes found: ${all_processes.len()}`);
// Test basic properties of a process
tests_total += 1;
// Check if it has pid property that is a number, which indicates it's a proper object
assert_true(all_processes[0].pid > 0, "Process items should be maps with valid PIDs");
tests_total += 1;
assert_true(all_processes[0].pid > 0, "Process PIDs should be positive numbers");
print("Sample of first few processes:");
// Simple function to find minimum of two values
let max = if all_processes.len() > 3 { 3 } else { all_processes.len() };
if max > 0 {
for i in 0..max {
let proc = all_processes[i];
print(` PID: ${proc.pid}, Name: ${proc.name}`);
}
} else {
print(" No processes found to display");
}
// List specific processes
print("Listing shell-related processes:");
let shell_processes = process_list("sh");
print(`Found ${shell_processes.len()} shell-related processes`);
if shell_processes.len() > 0 {
tests_total += 1;
// Just display the process rather than trying to validate its name
print("First shell process:");
print(` PID: ${shell_processes[0].pid}, Name: ${shell_processes[0].name}`);
assert_true(true, "Found some shell processes");
}
// Note: Background process and kill tests skipped in this version
// as they are more complex and environment-dependent
print("\n=== Process Test Note ===");
print("Skipping background process and kill tests in this version");
print("These tests require specific environment setup and permissions");
// Test summary
print("\n===== Test Summary =====");
print(`Total tests run: ${tests_total}`);
print(`All tests passed!`);
// print(all_processes[0]["cpu"]);
"Process Management Test Success - All tests passed"

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examples/_archive/rfs_example.rhai
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// RFS Example Script
// This script demonstrates how to use the RFS wrapper in Rhai
// Mount a local directory
fn mount_local_example() {
print("Mounting a local directory...");
// Create a map for mount options
let options = #{
"readonly": "true"
};
// Mount the directory
let mount = rfs_mount("/source/path", "/target/path", "local", options);
print(`Mounted ${mount.source} to ${mount.target} with ID: ${mount.id}`);
// List all mounts
let mounts = rfs_list_mounts();
print(`Number of mounts: ${mounts.len()}`);
for mount in mounts {
print(`Mount ID: ${mount.id}, Source: ${mount.source}, Target: ${mount.target}`);
}
// Unmount the directory
rfs_unmount("/target/path");
print("Unmounted the directory");
}
// Pack a directory into a filesystem layer
fn pack_example() {
print("Packing a directory into a filesystem layer...");
// Pack the directory
// Store specs format: "file:path=/path/to/store,s3:bucket=my-bucket"
rfs_pack("/path/to/directory", "output.fl", "file:path=/path/to/store");
print("Directory packed successfully");
// List the contents of the filesystem layer
let contents = rfs_list_contents("output.fl");
print("Contents of the filesystem layer:");
print(contents);
// Verify the filesystem layer
let is_valid = rfs_verify("output.fl");
print(`Is the filesystem layer valid? ${is_valid}`);
// Unpack the filesystem layer
rfs_unpack("output.fl", "/path/to/unpack");
print("Filesystem layer unpacked successfully");
}
// SSH mount example
fn mount_ssh_example() {
print("Mounting a remote directory via SSH...");
// Create a map for mount options
let options = #{
"port": "22",
"identity_file": "/path/to/key",
"readonly": "true"
};
// Mount the directory
let mount = rfs_mount("user@example.com:/remote/path", "/local/mount/point", "ssh", options);
print(`Mounted ${mount.source} to ${mount.target} with ID: ${mount.id}`);
// Get mount info
let info = rfs_get_mount_info("/local/mount/point");
print(`Mount info: ${info}`);
// Unmount the directory
rfs_unmount("/local/mount/point");
print("Unmounted the directory");
}
// S3 mount example
fn mount_s3_example() {
print("Mounting an S3 bucket...");
// Create a map for mount options
let options = #{
"region": "us-east-1",
"access_key": "your-access-key",
"secret_key": "your-secret-key"
};
// Mount the S3 bucket
let mount = rfs_mount("s3://my-bucket", "/mnt/s3", "s3", options);
print(`Mounted ${mount.source} to ${mount.target} with ID: ${mount.id}`);
// Unmount the S3 bucket
rfs_unmount("/mnt/s3");
print("Unmounted the S3 bucket");
}
// Unmount all example
fn unmount_all_example() {
print("Unmounting all filesystems...");
// Unmount all filesystems
rfs_unmount_all();
print("All filesystems unmounted");
}
// Run the examples
// Note: These are commented out to prevent accidental execution
// Uncomment the ones you want to run
// mount_local_example();
// pack_example();
// mount_ssh_example();
// mount_s3_example();
// unmount_all_example();
print("RFS example script completed");

75
examples/_archive/run_all_tests.rhai
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// Master test script that runs all herodo tests
// Use this script to verify all functionality in one go
print("===== HERODO COMPREHENSIVE TEST SUITE =====");
print("Running all test scripts to verify the herodo package functionality.\n");
// Track test results
let passed = 0;
let failed = 0;
let tests = [];
// Helper function to run a test script and report the result
fn run_test(name, script_path) {
print(`\n===== RUNNING TEST: ${name} =====`);
print(`Script: ${script_path}`);
print("----------------------------------------");
// The actual implementation would use an import/include mechanism
// But for our limited demo, we'll use descriptive placeholder
print("*Running test script...*");
print(`*See output by running './target/debug/herodo ${script_path}'*`);
print("*This is a meta-script for test organization*");
print("----------------------------------------");
print(`Test ${name} conceptually completed.`);
// Add to the tests list
let test = #{ name: name, path: script_path, status: "PASS" };
tests.push(test);
passed += 1;
}
// Run all individual test scripts
print("\n=== Filesystem Tests ===");
run_test("File System", "src/herodo/scripts/fs_test.rhai");
print("\n=== Process Management Tests ===");
run_test("Process Management", "src/herodo/scripts/process_test.rhai");
run_test("Run Command", "src/herodo/scripts/run_test.rhai");
print("\n=== Git and Download Tests ===");
run_test("Git Operations", "src/herodo/scripts/git_test.rhai");
print("\n=== Sample/Integration Tests ===");
run_test("Sample Integration", "src/herodo/scripts/sample.rhai");
// Print test summary
print("\n\n===== TEST SUMMARY =====");
print(`Total tests: ${tests.len()}`);
print(`Passed: ${passed}`);
print(`Failed: ${failed}`);
// List all tests and their status
print("\nTest Details:");
print("---------------------------------");
print("| Test Name | Status |");
print("---------------------------------");
for test in tests {
let name_padded = test.name.pad_right(20, " ");
print(`| ${name_padded} | ${test.status} |`);
}
print("---------------------------------");
if failed == 0 {
print("\nAll tests passed! The herodo package is working correctly.");
} else {
print("\nSome tests failed. Please check the individual test scripts for details.");
}
print("\nTo run individual tests, use:");
for test in tests {
print(`./target/debug/herodo ${test.path}`);
}
"All Tests Complete"

72
examples/_archive/run_test.rhai
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// Test script for the run command functionality
print("===== Run Command Test =====");
// Test single command
print("\n=== Single Command Execution ===");
let result = run("echo Hello, World!");
print(`Command stdout: ${result.stdout}`);
print(`Command stderr: ${result.stderr}`);
print(`Command success: ${result.success}`);
print(`Command exit code: ${result.code}`);
// Test command with arguments
print("\n=== Command With Arguments ===");
let ls_result = run("ls -la /tmp");
// Use string truncation by direct manipulation instead of substr
let ls_output = if ls_result.stdout.len() > 100 {
ls_result.stdout[0..100] + "..."
} else {
ls_result.stdout
};
print(`ls -la /tmp stdout: ${ls_output}`);
print(`ls success: ${ls_result.success}`);
// Test command that doesn't exist
print("\n=== Non-existent Command ===");
let bad_result = run("command_that_doesnt_exist");
print(`Bad command success: ${bad_result.success}`);
print(`Bad command error: ${bad_result.stderr}`);
// Test command with environment variables
print("\n=== Command With Environment Variables ===");
let home_result = run("echo $HOME");
print(`Home directory: ${home_result.stdout}`);
// Test multiline script
print("\n=== Multiline Script Execution ===");
let script = `
# This is a multiline script
echo "Line 1"
echo "Line 2"
echo "Line 3"
# Show the date
date
# List files in current directory
ls -la | head -n 5
`;
print("Executing multiline script:");
let script_result = run(script);
print("Script output:");
print(script_result.stdout);
// Test script with indentation (to test dedenting)
print("\n=== Indented Script (Testing Dedent) ===");
let indented_script = `
# This script has extra indentation
echo "This line has extra indentation"
echo "This line also has extra indentation"
echo "This line has normal indentation"
`;
print("Executing indented script:");
let indented_result = run(indented_script);
print("Indented script output:");
print(indented_result.stdout);
print("\n===== Run Command Test Completed =====");
"Success"

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examples/_archive/sample.rhai
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// This is a sample Rhai script demonstrating the Herodo module functionality
// It shows the use of file system, process management, and git operations
print("===== Herodo Sample Script =====");
// File System Operations ===========================================
print("\n===== File System Operations =====");
// Check if directory exists and make it if not
if !exist("./test_dir") {
print("Creating test directory...");
mkdir("./test_dir");
}
// Write a test file
print("Writing test file...");
let content = "This is a test file created by Herodo";
let file_path = "./test_dir/test.txt";
run(`echo "${content}" > ${file_path}`);
// Check existence
print(`File exists: ${exist(file_path)}`);
// Copy file
print("Copying file...");
let copy_path = "./test_dir/test_copy.txt";
copy(file_path, copy_path);
print(`Copy exists: ${exist(copy_path)}`);
// Show directory contents
print("Directory contents:");
print(run(`ls -la ./test_dir`).stdout);
// Process Management ==============================================
print("\n===== Process Management =====");
// Check if a command exists
print(`ls command exists: ${which("ls")}`);
print(`invalid command exists: ${which("thiscommanddoesnotexist")}`);
// Run a command and capture output
print("Running echo command:");
let echo_result = run("echo Hello from Herodo!");
print(` stdout: ${echo_result.stdout}`);
print(` success: ${echo_result.success}`);
// Run a multiline script
print("Running multiline script:");
let script = `
echo "Line 1"
echo "Line 2"
echo "Line 3"
`;
let script_result = run(script);
print(` stdout: ${script_result.stdout}`);
// List processes (limited to avoid large output)
print("Listing processes containing 'sh':");
let processes = process_list("sh");
if processes.len() > 0 {
print(`Found ${processes.len()} processes`);
let sample_process = processes[0];
print(` Sample: PID=${sample_process.pid}, Name=${sample_process.name}`);
} else {
print("No processes found matching 'sh'");
}
// Git and Download Operations ====================================
print("\n===== Git and Download Operations =====");
// Check if we can download a file (without actually downloading)
print("Download operations available:");
print(` download() function available: true`);
// Clean up test directory
print("\n===== Cleanup =====");
print("Deleting test directory...");
delete("./test_dir");
print(`Directory exists after deletion: ${exist("./test_dir")}`);
print("\nTest script completed successfully!");
"Success" // Return value

36
examples/_archive/stdout_test.rhai
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// Create a bash script to set up the test environment
let setup_script = `
# Configure git to suppress the default branch name warning
git config --global advice.initDefaultBranch false
rm -rf /tmp/code
mkdir -p /tmp/code
cd /tmp/code
mkdir -p myserver.com/myaccount/repogreen
mkdir -p myserver.com/myaccount/repored
cd myserver.com/myaccount/repogreen
git init
echo 'Initial test file' > test.txt
git add test.txt
git config --local user.email 'test@example.com'
git config --local user.name 'Test User'
git commit -m 'Initial commit'
cd /tmp/code/myserver.com/myaccount/repored
git init
echo 'Initial test file' > test2.txt
git add test2.txt
git config --local user.email 'test@example.com'
git config --local user.name 'Test User'
git commit -m 'Initial commit'
# now we have 2 repos
`;
// Run the setup script
let result = run(setup_script);

162
examples/_archive/text_tools.rhai
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// text_tools.rhai
// Example script demonstrating the text tools functionality
// ===== TextReplacer Examples =====
println("===== TextReplacer Examples =====");
// Create a temporary file for testing
let temp_file = "text_replacer_test.txt";
file_write(temp_file, "This is a foo bar example with FOO and foo occurrences.\nAnother line with foo and bar.");
// Example 1: Simple replacement
println("\n--- Example 1: Simple replacement ---");
let replacer = text_replacer_new()
.pattern("foo")
.replacement("REPLACED")
.build();
let result = replacer.replace("foo bar foo");
println(`Result: ${result}`); // Should output: "REPLACED bar REPLACED"
// Example 2: Multiple replacements in one chain
println("\n--- Example 2: Multiple replacements in one chain ---");
let replacer = text_replacer_new()
.pattern("foo").replacement("AAA")
.pattern("bar").replacement("BBB")
.build();
let result = replacer.replace("foo bar foo baz");
println(`Result: ${result}`); // Should output: "AAA BBB AAA baz"
// Example 3: Case-insensitive regex replacement
println("\n--- Example 3: Case-insensitive regex replacement ---");
let replacer = text_replacer_new()
.pattern("foo")
.replacement("case-insensitive")
.regex(true)
.case_insensitive(true)
.build();
let result = replacer.replace("FOO foo Foo fOo");
println(`Result: ${result}`); // Should output: "case-insensitive case-insensitive case-insensitive case-insensitive"
// Example 4: File operations
println("\n--- Example 4: File operations ---");
let replacer = text_replacer_new()
.pattern("foo").replacement("EXAMPLE")
.build();
// Replace and get result as string
let file_result = replacer.replace_file(temp_file);
println(`File content after replacement:\n${file_result}`);
// Replace in-place
replacer.replace_file_in_place(temp_file);
println("File replaced in-place");
// Replace to a new file
let output_file = "text_replacer_output.txt";
replacer.replace_file_to(temp_file, output_file);
println(`Content written to new file: ${output_file}`);
// Clean up temporary files
delete(temp_file);
delete(output_file);
// ===== TemplateBuilder Examples =====
println("\n\n===== TemplateBuilder Examples =====");
// Create a temporary template file
let template_file = "template_test.txt";
file_write(template_file, "Hello, {{ name }}! Welcome to {{ place }}.\n{% if show_greeting %}Glad to have you here!{% endif %}\nYour items:\n{% for item in items %} - {{ item }}{% if not loop.last %}\n{% endif %}{% endfor %}\n");
// Example 1: Simple template rendering
println("\n--- Example 1: Simple template rendering ---");
let template = template_builder_open(template_file)
.add_var("name", "John")
.add_var("place", "Rhai")
.add_var("show_greeting", true)
.add_var("items", ["apple", "banana", "cherry"]);
let result = template.render();
println(`Rendered template:\n${result}`);
// Example 2: Using a map for variables
println("\n--- Example 2: Using a map for variables ---");
let vars = #{
name: "Alice",
place: "Template World"
};
let template = template_builder_open(template_file)
.add_vars(vars)
.add_var("show_greeting", false)
.add_var("items", ["laptop", "phone", "tablet"]);
let result = template.render();
println(`Rendered template with map:\n${result}`);
// Example 3: Rendering to a file
println("\n--- Example 3: Rendering to a file ---");
let output_file = "template_output.txt";
let template = template_builder_open(template_file)
.add_var("name", "Bob")
.add_var("place", "File Output")
.add_var("show_greeting", true)
.add_var("items", ["document", "spreadsheet", "presentation"]);
template.render_to_file(output_file);
println(`Template rendered to file: ${output_file}`);
println(`Content of the rendered file:\n${file_read(output_file)}`);
// Clean up temporary files
delete(template_file);
delete(output_file);
// ===== Fix Functions Examples =====
println("\n\n===== Fix Functions Examples =====");
// Example 1: name_fix
println("\n--- Example 1: name_fix ---");
let fixed_name = name_fix("Hello World!");
println(`Original: "Hello World!"`);
println(`Fixed: "${fixed_name}"`); // Should output: "hello_world"
let fixed_name = name_fix("File-Name.txt");
println(`Original: "File-Name.txt"`);
println(`Fixed: "${fixed_name}"`); // Should output: "file_name.txt"
let fixed_name = name_fix("Résumé.doc");
println(`Original: "Résumé.doc"`);
println(`Fixed: "${fixed_name}"`); // Should output: "rsum.doc"
// Example 2: path_fix
println("\n--- Example 2: path_fix ---");
let fixed_path = path_fix("/path/to/Hello World!");
println(`Original: "/path/to/Hello World!"`);
println(`Fixed: "${fixed_path}"`); // Should output: "/path/to/hello_world"
let fixed_path = path_fix("./relative/path/to/DOCUMENT-123.pdf");
println(`Original: "./relative/path/to/DOCUMENT-123.pdf"`);
println(`Fixed: "${fixed_path}"`); // Should output: "./relative/path/to/document_123.pdf"
// ===== Dedent Functions Examples =====
println("\n\n===== Dedent Functions Examples =====");
// Example 1: dedent
println("\n--- Example 1: dedent ---");
let indented_text = " line 1\n line 2\n line 3";
println(`Original:\n${indented_text}`);
let dedented = dedent(indented_text);
println(`Dedented:\n${dedented}`); // Should output: "line 1\nline 2\n line 3"
// Example 2: prefix
println("\n--- Example 2: prefix ---");
let text = "line 1\nline 2\nline 3";
println(`Original:\n${text}`);
let prefixed = prefix(text, " ");
println(`Prefixed:\n${prefixed}`); // Should output: " line 1\n line 2\n line 3"
// Return success message
"Text tools example completed successfully!"

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examples/_archive/write_read.rhai
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// write_read.rhai
// Demonstrates writing content to and reading content from a container
// using the write_content and read_content methods
println("Starting write/read container example...");
// Define image and container names
let base_image = "ubuntu:22.04";
let container_name = "write-read-demo";
let final_image_name = "write-read-demo:latest";
println(`Creating container '${container_name}' from base image '${base_image}'...`);
// Create a new buildah container
let builder = bah_new(container_name, base_image);
// Update package lists
println("Updating package lists...");
let update_result = builder.run("apt-get update -y");
println(`Package update result: ${update_result.success ? "Success" : "Failed"}`);
// Write a simple text file to the container
println("\nWriting content to the container...");
let text_content = "This is a test file created using write_content.\nIt supports multiple lines.\n";
let write_result = builder.write_content(text_content, "/test.txt");
println(`Write result: ${write_result.success ? "Success" : "Failed"}`);
// Write a simple HTML file to the container
println("\nWriting HTML content to the container...");
let html_content = `
<!DOCTYPE html>
<html>
<head>
<title>Write Content Demo</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 40px;
line-height: 1.6;
color: #333;
}
h1 {
color: #0066cc;
}
</style>
</head>
<body>
<h1>Hello from Buildah!</h1>
<p>This HTML file was created using the write_content method.</p>
</body>
</html>
`;
let html_write_result = builder.write_content(html_content, "/var/www/html/index.html");
println(`HTML write result: ${html_write_result.success ? "Success" : "Failed"}`);
// Write a simple shell script to the container
println("\nWriting shell script to the container...");
let script_content = `
#!/bin/bash
echo "This script was created using write_content"
echo "Current directory: $(pwd)"
echo "Files in current directory:"
ls -la
`;
let script_write_result = builder.write_content(script_content, "/test.sh");
println(`Script write result: ${script_write_result.success ? "Success" : "Failed"}`);
// Make the script executable
builder.run("chmod +x /test.sh");
// Read back the content we wrote
println("\nReading content from the container...");
let read_text = builder.read_content("/test.txt");
println("Text file content:");
println(read_text);
let read_html = builder.read_content("/var/www/html/index.html");
println("\nHTML file content (first 100 characters):");
println(read_html.substr(0, 100) + "...");
let read_script = builder.read_content("/test.sh");
println("\nScript file content:");
println(read_script);
// Execute the script we created
println("\nExecuting the script we created...");
let script_result = builder.run("/test.sh");
println("Script output:");
println(script_result.stdout);
// Commit the container to an image
println(`\nCommitting container to image '${final_image_name}'...`);
let commit_result = builder.commit(final_image_name);
println(`Commit result: ${commit_result.success ? "Success" : "Failed"}`);
// Clean up the buildah container
println("Cleaning up buildah container...");
builder.remove();
println("\nWrite/read example completed successfully!");
"Write/read example completed successfully!"

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examples/basics/directories.rhai
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// Create a test directory structure
let base_dir = "rhai_dir_test";
let sub_dir = base_dir + "/tmp/test";
println("Creating directory structure...");
let base_result = mkdir(base_dir+"/subdir");
println(`Base directory creation result: ${base_result}`);
let sub_result = mkdir(sub_dir);
println(`Subdirectory creation result: ${sub_result}`);
// Create a test file in the base directory
let base_file = base_dir + "/base_file.txt";
let base_content = "This is a file in the base directory.";
// First touch the file
run_command(`touch ${base_file}`);
// Then write to it with a separate command
run_command(`echo ${base_content} > ${base_file}`);
// Create a test file in the subdirectory
let sub_file = sub_dir + "/sub_file.txt";
let sub_content = "This is a file in the subdirectory.";
// First touch the file
run_command(`touch ${sub_file}`);
// Then write to it with a separate command
run_command(`echo ${sub_content} > ${sub_file}`);
// Get the current working directory before changing
let pwd_before = run_command("pwd");
println(`Current directory before chdir: ${pwd_before.stdout.trim()}`);
// Change to the base directory
println(`Changing directory to: ${base_dir}`);
let chdir_result = chdir(base_dir);
println(`Directory change result: ${chdir_result}`);
// Get the current working directory after changing
let pwd_after = run_command("pwd");
println(`Current directory after chdir: ${pwd_after.stdout.trim()}`);
// List files in the current directory (which should now be the base directory)
println("Files in the current directory:");
let files = find_files(".", "*");
println("Files found:");
for file in files {
println(`- ${file}`);
}
// Change to the subdirectory
println(`Changing directory to: subdir`);
let chdir_sub_result = chdir("subdir");
println(`Directory change result: ${chdir_sub_result}`);
// Get the current working directory after changing to subdirectory
let pwd_final = run_command("pwd");
println(`Current directory after second chdir: ${pwd_final.stdout.trim()}`);
// List files in the subdirectory
println("Files in the subdirectory:");
let subdir_files = find_files(".", "*");
println("Files found:");
for file in subdir_files {
println(`- ${file}`);
}
// Change back to the parent directory
println("Changing directory back to parent...");
let chdir_parent_result = chdir("..");
println(`Directory change result: ${chdir_parent_result}`);
// Clean up (uncomment to actually delete the files)
// println("Cleaning up...");
// Change back to the original directory first
// chdir(pwd_before.stdout.trim());
// delete(sub_file);
// delete(base_file);
// delete(sub_dir);
// delete(base_dir);
// println("Cleanup complete");
"Directory operations script completed successfully!"

64
examples/basics/files.rhai
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// 02_file_operations.rhai
// Demonstrates file system operations using SAL
// Create a test directory
let test_dir = "rhai_test_dir";
println(`Creating directory: ${test_dir}`);
let mkdir_result = mkdir(test_dir);
println(`Directory creation result: ${mkdir_result}`);
// Check if the directory exists
let dir_exists = exist(test_dir);
println(`Directory exists: ${dir_exists}`);
// Create a test file
let test_file = test_dir + "/test_file.txt";
let file_content = "This is a test file created by Rhai script.";
// Create the file using a different approach
println(`Creating file: ${test_file}`);
// First ensure the directory exists
run_command(`mkdir -p ${test_dir}`);
// Then create the file using a simpler approach
// First touch the file
let touch_cmd = `touch ${test_file}`;
run_command(touch_cmd);
// Then write to it with a separate command
let echo_cmd = `echo ${file_content} > ${test_file}`;
let write_result = run_command(echo_cmd);
println(`File creation result: ${write_result.success}`);
// Wait a moment to ensure the file is created
run_command("sleep 1");
// Check if the file exists
let file_exists = exist(test_file);
println(`File exists: ${file_exists}`);
// Get file size
if file_exists {
let size = file_size(test_file);
println(`File size: ${size} bytes`);
}
// Copy the file
let copied_file = test_dir + "/copied_file.txt";
println(`Copying file to: ${copied_file}`);
let copy_result = copy(test_file, copied_file);
println(`File copy result: ${copy_result}`);
// Find files in the directory
println("Finding files in the test directory:");
let files = find_files(test_dir, "*.txt");
for file in files {
println(` - ${file}`);
}
// Clean up (uncomment to actually delete the files)
// println("Cleaning up...");
// delete(copied_file);
// delete(test_file);
// delete(test_dir);
// println("Cleanup complete");
"File operations script completed successfully!"

39
examples/basics/hello.rhai
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// 01_hello_world.rhai
// A simple hello world script to demonstrate basic Rhai functionality
// Print a message
println("Hello from Rhai!");
// Define a function
fn greet(name) {
"Hello, " + name + "!"
}
// Call the function and print the result
let greeting = greet("SAL User");
println(greeting);
// Do some basic calculations
let a = 5;
let b = 7;
println(`${a} + ${b} = ${a + b}`);
println(`${a} * ${b} = ${a * b}`);
// Create and use an array
let numbers = [1, 2, 3, 4, 5];
println("Numbers: " + numbers);
println("Sum of numbers: " + numbers.reduce(|sum, n| sum + n, 0));
// Create and use a map
let person = #{
name: "John Doe",
age: 30,
occupation: "Developer"
};
println("Person: " + person);
println("Name: " + person.name);
println("Age: " + person.age);
// Return a success message
"Hello world script completed successfully!"

115
examples/buildah.rs Normal file
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//! Example usage of the buildah module
//!
//! This file demonstrates how to use the buildah module to perform
//! common container operations like creating containers, running commands,
//! and managing images.
use sal::virt::buildah::{self, BuildahError};
use std::collections::HashMap;
/// Run a complete buildah workflow example
pub fn run_buildah_example() -> Result<(), BuildahError> {
println!("Starting buildah example workflow...");
// Step 1: Create a container from an image
println!("\n=== Creating container from fedora:latest ===");
let result = buildah::from("fedora:latest")?;
let container_id = result.stdout.trim();
println!("Created container: {}", container_id);
// Step 2: Run a command in the container
println!("\n=== Installing nginx in container ===");
// Use chroot isolation to avoid BPF issues
let install_result = buildah::run_with_isolation(container_id, "dnf install -y nginx", "chroot")?;
println!("{:#?}", install_result);
println!("Installation output: {}", install_result.stdout);
// Step 3: Copy a file into the container
println!("\n=== Copying configuration file to container ===");
buildah::copy(container_id, "./example.conf", "/etc/example.conf").unwrap();
// Step 4: Configure container metadata
println!("\n=== Configuring container metadata ===");
let mut config_options = HashMap::new();
config_options.insert("port".to_string(), "80".to_string());
config_options.insert("label".to_string(), "maintainer=example@example.com".to_string());
config_options.insert("entrypoint".to_string(), "/usr/sbin/nginx".to_string());
buildah::config(container_id, config_options)?;
println!("Container configured");
// Step 5: Commit the container to create a new image
println!("\n=== Committing container to create image ===");
let image_name = "my-nginx:latest";
buildah::image_commit(container_id, image_name, Some("docker"), true, true)?;
println!("Created image: {}", image_name);
// Step 6: List images to verify our new image exists
println!("\n=== Listing images ===");
let images = buildah::images()?;
println!("Found {} images:", images.len());
for image in images {
println!(" ID: {}", image.id);
println!(" Names: {}", image.names.join(", "));
println!(" Size: {}", image.size);
println!(" Created: {}", image.created);
println!();
}
// // Step 7: Clean up (optional in a real workflow)
println!("\n=== Cleaning up ===");
buildah::image_remove(image_name).unwrap();
println!("\nBuildah example workflow completed successfully!");
Ok(())
}
/// Demonstrate how to build an image from a Containerfile/Dockerfile
pub fn build_image_example() -> Result<(), BuildahError> {
println!("Building an image from a Containerfile...");
// Use the build function with tag, context directory, and isolation to avoid BPF issues
let result = buildah::build(Some("my-app:latest"), ".", "example_Dockerfile", Some("chroot"))?;
println!("Build output: {}", result.stdout);
println!("Image built successfully!");
Ok(())
}
/// Example of pulling and pushing images
pub fn registry_operations_example() -> Result<(), BuildahError> {
println!("Demonstrating registry operations...");
// Pull an image
println!("\n=== Pulling an image ===");
buildah::image_pull("docker.io/library/alpine:latest", true)?;
println!("Image pulled successfully");
// Tag the image
println!("\n=== Tagging the image ===");
buildah::image_tag("alpine:latest", "my-alpine:v1.0")?;
println!("Image tagged successfully");
// Push an image (this would typically go to a real registry)
// println!("\n=== Pushing an image (example only) ===");
// println!("In a real scenario, you would push to a registry with:");
// println!("buildah::image_push(\"my-alpine:v1.0\", \"docker://registry.example.com/my-alpine:v1.0\", true)");
Ok(())
}
/// Main function to run all examples
pub fn run_all_examples() -> Result<(), BuildahError> {
println!("=== BUILDAH MODULE EXAMPLES ===\n");
run_buildah_example()?;
build_image_example()?;
registry_operations_example()?;
Ok(())
}
fn main() {
let _ = run_all_examples().unwrap();
}

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// buildah.rhai
// Demonstrates using buildah to create a custom image with golang and nginx,
// then using nerdctl to run a container from that image
println("Starting buildah workflow to create a custom image...");
// Define image and container names
let base_image = "ubuntu:22.04";
let container_name = "golang-nginx-container";
let final_image_name = "custom-golang-nginx:latest";
println(`Creating container '${container_name}' from base image '${base_image}'...`);
// Create a new buildah container using the builder pattern
let builder = bah_new(container_name, base_image);
println("Enabling debug mode...");
builder.debug_mode = true;
// Update package lists and install golang and nginx
println("Installing packages (this may take a while)...");
// Update package lists
let update_result = builder.run("apt-get update -y");
// Install required packages
let install_result = builder.run("apt-get install -y golang nginx");
// Verify installations
let go_version = builder.run("go version");
println(`Go version: ${go_version.stdout}`);
let nginx_version = builder.run("nginx -v");
println(`Nginx version: ${nginx_version.stderr}`); // nginx outputs version to stderr
// Create a simple Go web application
println("Creating a simple Go web application...");
// Create a directory for the Go application
builder.run("mkdir -p /app");
// Create a simple Go web server
let go_app = `
package main
import (
"fmt"
"net/http"
)
func main() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello from Go running in a custom container!")
})
fmt.Println("Starting server on :8080")
http.ListenAndServe(":8080", nil)
}
`;
// Write the Go application to a file using the write_content method
builder.write_content(go_app, "/app/main.go");
// Compile the Go application
builder.run("cd /app && go build -o server main.go");
// Configure nginx to proxy to the Go application
let nginx_conf = `
server {
listen 80;
server_name localhost;
location / {
proxy_pass http://localhost:8080;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
}
`;
// Write the nginx configuration using the write_content method
let nginx_conf_result = builder.write_content(nginx_conf, "/etc/nginx/sites-available/default");
// Create a startup script
let startup_script = `
#!/bin/bash
# Start the Go application in the background
cd /app && ./server &
# Start nginx in the foreground
nginx -g "daemon off;"
`;
// Write the startup script using the write_content method
let startup_script_result = builder.write_content(startup_script, "/start.sh");
builder.run("chmod +x /start.sh");
// Set the entrypoint to the startup script
println("Setting entrypoint to /start.sh...");
builder.set_entrypoint("/start.sh");
// Read back the startup script to verify it was written correctly
let read_script = builder.read_content("/start.sh");
println("Startup script content verification:");
println(read_script);
// Commit the container to a new image
println(`Committing container to image '${final_image_name}'...`);
let commit_result = builder.commit(final_image_name);
// Clean up the buildah container
println("Cleaning up buildah container...");
builder.remove();
// Now use nerdctl to run a container from the new image
println("\nStarting container from the new image using nerdctl...");
// Create a container using the builder pattern
// Use localhost/ prefix to ensure nerdctl uses the local image
let local_image_name = "localhost/" + final_image_name;
println(`Using local image: ${local_image_name}`);
// Tag the image with the localhost prefix for nerdctl compatibility
println(`Tagging image as ${local_image_name}...`);
let tag_result = bah_image_tag(final_image_name, local_image_name);
// Print a command to check if the image exists in buildah
println("\nTo verify the image was created with buildah, run:");
println("buildah images");
// Note: If nerdctl cannot find the image, you may need to push it to a registry
println("\nNote: If nerdctl cannot find the image, you may need to push it to a registry:");
println("buildah push localhost/custom-golang-nginx:latest docker://localhost:5000/custom-golang-nginx:latest");
println("nerdctl pull localhost:5000/custom-golang-nginx:latest");
let container = nerdctl_container_from_image("golang-nginx-demo", local_image_name)
.with_detach(true)
.with_port("8080:80") // Map port 80 in the container to 8080 on the host
.with_restart_policy("unless-stopped")
.build();
// Start the container
let start_result = container.start();
println("\nWorkflow completed successfully!");
println("The web server should be running at http://localhost:8080");
println("You can check container logs with: nerdctl logs golang-nginx-demo");
println("To stop the container: nerdctl stop golang-nginx-demo");
println("To remove the container: nerdctl rm golang-nginx-demo");
"Buildah and nerdctl workflow completed successfully!"

39
examples/containers/buildah_debug.rhai
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// buildah_debug.rhai
// Demonstrates using the debug flag on the buildah Builder
println("Starting buildah debug example...");
// Define image and container names
let base_image = "ubuntu:22.04";
let container_name = "debug-test-container";
println(`Creating container '${container_name}' from base image '${base_image}'...`);
// Create a new buildah container using the builder pattern
let builder = bah_new(container_name, base_image);
// Enable debug mode
println("Enabling debug mode...");
builder.debug_mode = true;
// Run a simple command to see debug output
println("Running a command with debug enabled...");
let result = builder.run("echo 'Hello from debug mode'");
// Disable debug mode
println("Disabling debug mode...");
builder.debug_mode = false;
// Run another command without debug
println("Running a command with debug disabled...");
let result2 = builder.run("echo 'Hello without debug'");
// Enable debug mode again
println("Enabling debug mode again...");
builder.debug_mode = true;
// Remove the container with debug enabled
println("Removing the container with debug enabled...");
builder.remove();
println("Debug example completed!");

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examples/containers/nerdctl_install.rhai
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fn nerdctl_download(){
let name="nerdctl";
let url="https://github.com/containerd/nerdctl/releases/download/v2.0.4/nerdctl-2.0.4-linux-amd64.tar.gz";
download(url,`/tmp/${name}`,20000);
copy(`/tmp/${name}/*`,"/root/hero/bin/");
delete(`/tmp/${name}`);
let name="containerd";
let url="https://github.com/containerd/containerd/releases/download/v2.0.4/containerd-2.0.4-linux-amd64.tar.gz";
download(url,`/tmp/${name}`,20000);
copy(`/tmp/${name}/bin/*`,"/root/hero/bin/");
delete(`/tmp/${name}`);
run("apt-get -y install buildah runc");
let url="https://github.com/threefoldtech/rfs/releases/download/v2.0.6/rfs";
download_file(url,`/tmp/rfs`,10000);
chmod_exec("/tmp/rfs");
mv(`/tmp/rfs`,"/root/hero/bin/");
}
fn ipfs_download(){
let name="ipfs";
let url="https://github.com/ipfs/kubo/releases/download/v0.34.1/kubo_v0.34.1_linux-amd64.tar.gz";
download(url,`/tmp/${name}`,20);
copy(`/tmp/${name}/kubo/ipfs`,"/root/hero/bin/ipfs");
// delete(`/tmp/${name}`);
}
nerdctl_download();
// ipfs_download();
"done"

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examples/containers/nerdctl_webserver.rhai
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// 08__web_server.rhai
// Demonstrates a complete workflow to set up a web server using
// Note: This script requires to be installed and may need root privileges
println("Starting web server workflow...");
// Create and use a temporary directory for all files
let work_dir = "/tmp/";
mkdir(work_dir);
chdir(work_dir);
println(`Working in directory: ${work_dir}`);
println("\n=== Creating custom nginx configuration ===");
let config_content = `
server {
listen 80;
server_name localhost;
location / {
root /usr/share/nginx/html;
index index.html;
}
}
`;
let config_file = `${work_dir}/custom-nginx.conf`;
// Use file_write instead of run command
file_write(config_file, config_content);
println(`Created custom nginx configuration file at ${config_file}`);
// Step 3: Create a custom index.html file
println("\n=== Creating custom index.html ===");
let html_content = `
<!DOCTYPE html>
<html>
<head>
<title>Demo</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 40px;
line-height: 1.6;
color: #333;
}
h1 {
color: #0066cc;
}
</style>
</head>
<body>
<h1>Hello from HeroScript !</h1>
<p>This page is served by an Nginx container.</p>
</body>
</html>
`;
let html_file = `${work_dir}/index.html`;
// Use file_write instead of run command
file_write(html_file, html_content);
println(`Created custom index.html file at ${html_file}`);
println("\n=== Creating nginx container ===");
let container_name = "nginx-demo";
let env_map = #{}; // Create an empty map
env_map["NGINX_HOST"] = "localhost";
env_map["NGINX_PORT"] = "80";
env_map["NGINX_WORKER_PROCESSES"] = "auto";
// Create a container with a rich set of options using batch methods
let container = nerdctl_container_from_image(container_name, "nginx:latest")
.reset()
.with_detach(true)
.with_ports(["8080:80"]) // Add multiple ports at once
.with_volumes([`${work_dir}:/usr/share/nginx/html`, "/var/log:/var/log/nginx"]) // Mount our work dir
.with_envs(env_map) // Add multiple environment variables at once
.with_cpu_limit("1.0")
.with_memory_limit("512m")
.start();
println("\n web server workflow completed successfully!");
println("The web server is running at http://localhost:8080");
"Web server script completed successfully!"

28
examples/git/git_basic.rhai
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@ -1,28 +0,0 @@
// Simplified Git Basic Operations Example
let git_tree = git_tree_new("/tmp/git"); // Using /tmp/git as base path
print("--- Git Basic Operations ---");
// print(`Base path: ${git_tree.base_path()}`); // base_path() getter would need to be exposed from Rust
let all_repos = git_tree.list();
print(`Listed ${all_repos.len()} repos.`);
// Find repos starting with "home" (adjust pattern if /tmp/git might contain other "home*" repos)
let found_repos = git_tree.find("home*");
print(`Found ${found_repos.len()} repos matching "home*".`);
for r in found_repos {
print(` - Found: ${r.path()}`);
}
print("Getting/Cloning 'https://github.com/freeflowuniverse/home'...");
let repo = git_tree.get("https://github.com/freeflowuniverse/home");
print(`Repo path: ${repo.path()}`);
print(`Has changes: ${repo.has_changes()}`);
print("Performing pull & reset...");
repo.pull().reset();
print("Pull and reset complete.");
print(`Has changes after pull/reset: ${repo.has_changes()}`);
print("--- Example Finished ---");

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examples/nerdctl.rs Normal file
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//! Example usage of the nerdctl module
//!
//! This file demonstrates how to use the nerdctl module to perform
//! common container operations like creating containers, running commands,
//! and managing images.
use sal::virt::nerdctl::{self, NerdctlError};
/// Run a complete nerdctl workflow example
pub fn run_nerdctl_example() -> Result<(), NerdctlError> {
println!("Starting nerdctl example workflow...");
// Step 1: Pull an image
println!("\n=== Pulling nginx:latest image ===");
let pull_result = nerdctl::image_pull("nginx:latest")?;
println!("Pull output: {}", pull_result.stdout);
// Step 2: Create a container from the image
println!("\n=== Creating container from nginx:latest ===");
// Use "native" snapshotter to avoid overlay mount issues
let run_result = nerdctl::run("nginx:latest", Some("my-nginx"), true, Some(&["8080:80"]), Some("native"))?;
println!("Container created: {}", run_result.stdout.trim());
let container_id = "my-nginx"; // Using the name we specified
// Step 3: Execute a command in the container
println!("\n=== Installing curl in container ===");
let update_result = nerdctl::exec(container_id, "apt-get update")?;
println!("Update output: {}", update_result.stdout);
let install_result = nerdctl::exec(container_id, "apt-get install -y curl")?;
println!("Installation output: {}", install_result.stdout);
// Step 4: Copy a file into the container (assuming nginx.conf exists)
println!("\n=== Copying configuration file to container ===");
nerdctl::copy("./nginx.conf", format!("{}:/etc/nginx/nginx.conf", container_id).as_str())?;
// Step 5: Commit the container to create a new image
println!("\n=== Committing container to create image ===");
let image_name = "my-custom-nginx:latest";
nerdctl::image_commit(container_id, image_name)?;
println!("Created image: {}", image_name);
// Step 6: Stop and remove the container
println!("\n=== Stopping and removing container ===");
nerdctl::stop(container_id)?;
nerdctl::remove(container_id)?;
println!("Container stopped and removed");
// Step 7: Create a new container from our custom image
println!("\n=== Creating container from custom image ===");
// Use "native" snapshotter to avoid overlay mount issues
nerdctl::run(image_name, Some("nginx-custom"), true, Some(&["8081:80"]), Some("native"))?;
println!("Custom container created");
// Step 8: List images
println!("\n=== Listing images ===");
let images_result = nerdctl::images()?;
println!("Images: \n{}", images_result.stdout);
// Step 9: Clean up (optional in a real workflow)
println!("\n=== Cleaning up ===");
nerdctl::stop("nginx-custom")?;
nerdctl::remove("nginx-custom")?;
nerdctl::image_remove(image_name)?;
println!("\nNerdctl example workflow completed successfully!");
Ok(())
}
/// Main function to run all examples
pub fn run_all_examples() -> Result<(), NerdctlError> {
println!("=== NERDCTL MODULE EXAMPLES ===\n");
run_nerdctl_example()?;
println!("\nNote that these examples require nerdctl to be installed on your system");
println!("and may require root/sudo privileges depending on your setup.");
Ok(())
}
fn main() {
let _ = run_all_examples().unwrap();
}

145
examples/postgresclient/auth_example.rhai
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@ -1,145 +0,0 @@
// PostgreSQL Authentication Example
//
// This example demonstrates how to use the PostgreSQL client module with authentication:
// - Create a PostgreSQL configuration with authentication
// - Connect to PostgreSQL using the configuration
// - Perform basic operations
//
// Prerequisites:
// - PostgreSQL server must be running
// - You need to know the username and password for the PostgreSQL server
// Helper function to check if PostgreSQL is available
fn is_postgres_available() {
try {
// Try to execute a simple connection
let connect_result = pg_connect();
return connect_result;
} catch(err) {
print(`PostgreSQL connection error: ${err}`);
return false;
}
}
// Main function
fn main() {
print("=== PostgreSQL Authentication Example ===");
// Check if PostgreSQL is available
let postgres_available = is_postgres_available();
if !postgres_available {
print("PostgreSQL server is not available. Please check your connection settings.");
return;
}
print("✓ PostgreSQL server is available");
// Step 1: Create a PostgreSQL configuration with authentication
print("\n1. Creating PostgreSQL configuration with authentication...");
// Replace these values with your actual PostgreSQL credentials
let pg_host = "localhost";
let pg_port = 5432;
let pg_user = "postgres";
let pg_password = "your_password_here"; // Replace with your actual password
let pg_database = "postgres";
// Create a configuration builder
let config = pg_config_builder();
// Configure the connection
config = config.host(pg_host);
config = config.port(pg_port);
config = config.user(pg_user);
config = config.password(pg_password);
config = config.database(pg_database);
// Build the connection string
let connection_string = config.build_connection_string();
print(`✓ Created PostgreSQL configuration with connection string: ${connection_string}`);
// Step 2: Connect to PostgreSQL using the configuration
print("\n2. Connecting to PostgreSQL with authentication...");
try {
let connect_result = pg_connect_with_config(config);
if (connect_result) {
print("✓ Successfully connected to PostgreSQL with authentication");
} else {
print("✗ Failed to connect to PostgreSQL with authentication");
return;
}
} catch(err) {
print(`✗ Error connecting to PostgreSQL: ${err}`);
return;
}
// Step 3: Perform basic operations
print("\n3. Performing basic operations...");
// Create a test table
let table_name = "auth_example_table";
let create_table_query = `
CREATE TABLE IF NOT EXISTS ${table_name} (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
value INTEGER
)
`;
try {
let create_result = pg_execute(create_table_query);
print(`✓ Successfully created table ${table_name}`);
} catch(err) {
print(`✗ Error creating table: ${err}`);
return;
}
// Insert data
let insert_query = `
INSERT INTO ${table_name} (name, value)
VALUES ('test_name', 42)
`;
try {
let insert_result = pg_execute(insert_query);
print(`✓ Successfully inserted data into table ${table_name}`);
} catch(err) {
print(`✗ Error inserting data: ${err}`);
}
// Query data
let select_query = `
SELECT * FROM ${table_name}
`;
try {
let select_result = pg_query(select_query);
print(`✓ Successfully queried data from table ${table_name}`);
print(` Found ${select_result.len()} rows`);
// Display the results
for row in select_result {
print(` Row: id=${row.id}, name=${row.name}, value=${row.value}`);
}
} catch(err) {
print(`✗ Error querying data: ${err}`);
}
// Clean up
let drop_query = `
DROP TABLE IF EXISTS ${table_name}
`;
try {
let drop_result = pg_execute(drop_query);
print(`✓ Successfully dropped table ${table_name}`);
} catch(err) {
print(`✗ Error dropping table: ${err}`);
}
print("\nExample completed successfully!");
}
// Run the main function
main();

132
examples/postgresclient/basic_operations.rhai
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// PostgreSQL Basic Operations Example
//
// This example demonstrates how to use the PostgreSQL client module to:
// - Connect to a PostgreSQL database
// - Create a table
// - Insert data
// - Query data
// - Update data
// - Delete data
// - Drop a table
//
// Prerequisites:
// - PostgreSQL server must be running
// - Environment variables should be set for connection details:
// - POSTGRES_HOST: PostgreSQL server host (default: localhost)
// - POSTGRES_PORT: PostgreSQL server port (default: 5432)
// - POSTGRES_USER: PostgreSQL username (default: postgres)
// - POSTGRES_PASSWORD: PostgreSQL password
// - POSTGRES_DB: PostgreSQL database name (default: postgres)
// Helper function to check if PostgreSQL is available
fn is_postgres_available() {
try {
// Try to execute a simple connection
let connect_result = pg_connect();
return connect_result;
} catch(err) {
print(`PostgreSQL connection error: ${err}`);
return false;
}
}
// Main function
fn main() {
print("=== PostgreSQL Basic Operations Example ===");
// Check if PostgreSQL is available
let postgres_available = is_postgres_available();
if !postgres_available {
print("PostgreSQL server is not available. Please check your connection settings.");
return;
}
print("✓ Connected to PostgreSQL server");
// Define table name
let table_name = "rhai_example_users";
// Step 1: Create a table
print("\n1. Creating table...");
let create_table_query = `
CREATE TABLE IF NOT EXISTS ${table_name} (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
email TEXT UNIQUE NOT NULL,
age INTEGER,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)
`;
let create_result = pg_execute(create_table_query);
print(`✓ Table created (result: ${create_result})`);
// Step 2: Insert data
print("\n2. Inserting data...");
let insert_queries = [
`INSERT INTO ${table_name} (name, email, age) VALUES ('Alice', 'alice@example.com', 30)`,
`INSERT INTO ${table_name} (name, email, age) VALUES ('Bob', 'bob@example.com', 25)`,
`INSERT INTO ${table_name} (name, email, age) VALUES ('Charlie', 'charlie@example.com', 35)`
];
for query in insert_queries {
let insert_result = pg_execute(query);
print(`✓ Inserted row (result: ${insert_result})`);
}
// Step 3: Query all data
print("\n3. Querying all data...");
let select_query = `SELECT * FROM ${table_name}`;
let rows = pg_query(select_query);
print(`Found ${rows.len()} rows:`);
for row in rows {
print(` ID: ${row.id}, Name: ${row.name}, Email: ${row.email}, Age: ${row.age}, Created: ${row.created_at}`);
}
// Step 4: Query specific data
print("\n4. Querying specific data...");
let select_one_query = `SELECT * FROM ${table_name} WHERE name = 'Alice'`;
let alice = pg_query_one(select_one_query);
print(`Found Alice:`);
print(` ID: ${alice.id}, Name: ${alice.name}, Email: ${alice.email}, Age: ${alice.age}`);
// Step 5: Update data
print("\n5. Updating data...");
let update_query = `UPDATE ${table_name} SET age = 31 WHERE name = 'Alice'`;
let update_result = pg_execute(update_query);
print(`✓ Updated Alice's age (result: ${update_result})`);
// Verify update
let verify_query = `SELECT * FROM ${table_name} WHERE name = 'Alice'`;
let updated_alice = pg_query_one(verify_query);
print(` Updated Alice: ID: ${updated_alice.id}, Name: ${updated_alice.name}, Age: ${updated_alice.age}`);
// Step 6: Delete data
print("\n6. Deleting data...");
let delete_query = `DELETE FROM ${table_name} WHERE name = 'Bob'`;
let delete_result = pg_execute(delete_query);
print(`✓ Deleted Bob (result: ${delete_result})`);
// Verify deletion
let count_query = `SELECT COUNT(*) as count FROM ${table_name}`;
let count_result = pg_query_one(count_query);
print(` Remaining rows: ${count_result.count}`);
// Step 7: Drop table
print("\n7. Dropping table...");
let drop_query = `DROP TABLE IF EXISTS ${table_name}`;
let drop_result = pg_execute(drop_query);
print(`✓ Dropped table (result: ${drop_result})`);
// Reset connection
print("\n8. Resetting connection...");
let reset_result = pg_reset();
print(`✓ Reset connection (result: ${reset_result})`);
print("\nExample completed successfully!");
}
// Run the main function
main();

28
examples/process/kill.rhai
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@ -1,28 +0,0 @@
print("Caution: Use the kill() function with extreme care as it can terminate running applications.");
print("Terminating essential system processes can make your system unstable or unusable.");
print("");
print("This example attempts to kill processes matching a specific name.");
print("Replace 'process_name_to_kill' with the actual name of a process you intend to stop.");
print("Make sure you know what the process does before attempting to kill it.");
print("");
let target_process_name = "process_name_to_kill"; // <--- CHANGE THIS TO A REAL PROCESS NAME (e.g., "sleep" if you start a sleep process)
print(`Attempting to kill processes matching pattern: '${target_process_name}'...`);
// To safely test this, you might want to start a simple process first, like 'sleep 60 &'.
// Then replace 'process_name_to_kill' with 'sleep'.
// Uncomment the line below to execute the kill command.
// let result_message = kill(target_process_name); // Halts on OS error during kill attempt
// if result_message != "" {
// print(`Kill command sent. Result: ${result_message}`);
// } else {
// print("Kill command finished, but no message returned (check for errors above).");
// }
print("");
print("kill() example finished (command was commented out for safety).");
print("Uncomment the 'kill(...)' line to make it active.");

39
examples/process/process_get.rhai
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@ -1,39 +0,0 @@
print("Getting a single process using process_get()...\n");
// process_get expects *exactly one* process matching the pattern.
// If zero or more than one processes match, it will halt script execution.
// Example: Get information for a specific process name.
// Replace "my_critical_service" with a name that is likely to match
// exactly one running process on your system.
// Common examples might be "Dock" or "Finder" on macOS,
// "explorer.exe" on Windows, or a specific service name on Linux.
let target_process_name = "process_name_to_get"; // <--- CHANGE THIS TO A REAL, UNIQUE PROCESS NAME
print(`Attempting to get info for process matching pattern: '${target_process_name}'...`);
// This line will halt if the process is not found OR if multiple processes match the name.
// It will only proceed if exactly one process is found.
let service_proc_info = process_get(target_process_name); // Halts on 0 or >1 matches, or OS error
print(`Successfully found exactly one process matching '${target_process_name}':`);
// Access properties of the ProcessInfo object
print(`- PID: ${service_proc_info.pid}`);
print(`- Name: ${service_proc_info.name}`);
print(`- CPU: ${service_proc_info.cpu}%`);
print(`- Memory: ${service_proc_info.memory}`);
// To demonstrate the halting behavior, you could uncomment one of these:
// Example that will halt if "nonexistent_process_xyz" is not running:
// print("\nAttempting to get a nonexistent process (will halt if not found)...");
// let nonexistent_proc = process_get("nonexistent_process_xyz"); // This line likely halts
// Example that might halt if "sh" matches multiple processes:
// print("\nAttempting to get 'sh' (might halt if multiple shell processes exist)...");
// let sh_proc = process_get("sh"); // This line might halt depending on your system processes
print("\nprocess_get() example finished (if the script did not halt above).");

29
examples/process/process_list.rhai
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@ -1,29 +0,0 @@
print("Listing processes using process_list()...\n");
// Example: List all processes (use empty string as pattern)
// print("Listing all running processes (this might be a long list!)...\n");
// let all_processes = process_list("");
// print(`Found ${all_processes.len()} total processes.`);
// // Optional: print details for a few processes
// for i in 0..min(all_processes.len(), 5) {
// let proc = all_processes[i];
// print(`- PID: ${proc.pid}, Name: ${proc.name}, CPU: ${proc.cpu}%, Memory: ${proc.memory}`);
// }
print("Listing processes matching 'bash'...\n");
// Example: List processes matching a pattern
let pattern_to_list = "bash"; // Or another common process like "SystemSettings" or "Finder" on macOS, "explorer.exe" on Windows, "systemd" on Linux
let matching_processes = process_list(pattern_to_list); // Halts on OS error during list attempt
if (matching_processes.len() > 0) {
print(`Found ${matching_processes.len()} processes matching '${pattern_to_list}':`);
for proc in matching_processes {
// Access properties of the ProcessInfo object
print(`- PID: ${proc.pid}, Name: ${proc.name}, CPU: ${proc.cpu}%, Memory: ${proc.memory}`);
}
} else {
print(`No processes found matching '${pattern_to_list}'.`);
}
print("\nprocess_list() example finished.");

36
examples/process/run_all_options.rhai
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print("Running a command using multiple builder options...");
// Example combining log, silent, and ignore_error
// This command will:
// 1. Be logged before execution (.log())
// 2. Have its output suppressed during execution (.silent())
// 3. Exit with a non-zero code (fail)
// 4. NOT halt the script execution because .ignore_error() is used
let result = run("echo 'This is logged and silent stdout'; echo 'This is logged and silent stderr' >&2; exit 5")
.log() // Log the command string
.silent() // Suppress real-time output
.ignore_error() // Prevent script halt on non-zero exit code
.execute(); // Execute the command
print("Command execution finished.");
// Print the captured result
print(`Success: ${result.success}`); // Should be false
print(`Exit Code: ${result.code}`); // Should be 5
print(`Captured Stdout:\n${result.stdout}`); // Should contain the stdout string
// The script continues execution because ignore_error() was used
print("Script continues after handling the failed command.");
// Another example with a successful command, still silent and logged
print("\nRunning another command (successful)...");
let success_result = run("echo 'Success message'").log().silent().execute();
print(`Command finished.`);
print(`Success: ${success_result.success}`); // Should be true
print(`Exit Code: ${success_result.code}`); // Should be 0
print(`Captured Stdout:\n${success_result.stdout}`);
print("\nrun().execute() all options example finished.");

18
examples/process/run_basic.rhai
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print("Running a basic command using run().do()...");
// Execute a simple command
let result = run("echo Hello from run_basic!").do();
// Print the command result
print(`Command: echo Hello from run_basic!`);
print(`Success: ${result.success}`);
print(`Exit Code: ${result.code}`);
print(`Stdout:\n${result.stdout}`);
print(`Stderr:\n${result.stderr}`);
// Example of a command that might fail (if 'nonexistent_command' doesn't exist)
// This will halt execution by default because ignore_error() is not used.
// print("Running a command that will fail (and should halt)...");
// let fail_result = run("nonexistent_command").do(); // This line will cause the script to halt if the command doesn't exist
print("Basic run() example finished.");

29
examples/process/run_ignore_error.rhai
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@ -1,29 +0,0 @@
print("Running a command that will fail, but ignoring the error...");
// Run a command that exits with a non-zero code (will fail)
// Using .ignore_error() prevents the script from halting
let result = run("exit 1").ignore_error().do();
print(`Command finished.`);
print(`Success: ${result.success}`); // This should be false
print(`Exit Code: ${result.code}`); // This should be 1
// We can now handle the failure in the script
if (!result.success) {
print("Command failed, but we handled it because ignore_error() was used.");
// Optionally print stderr if needed
// print(`Stderr:\\n${result.stderr}`);
} else {
print("Command unexpectedly succeeded.");
}
print("\nScript continued execution after the potentially failing command.");
// Example of a command that might fail due to OS error (e.g., command not found)
// This *might* still halt depending on how the underlying Rust function handles it,
// as ignore_error() primarily prevents halting on *command* non-zero exit codes.
// let os_error_result = run("nonexistent_command_123").ignore_error().do();
// print(`OS Error Command Success: ${os_error_result.success}`);
// print(`OS Error Command Exit Code: ${os_error_result.code}`);
print("ignore_error() example finished.");

13
examples/process/run_log.rhai
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print("Running a command using run().log().do()...");
// The .log() method will print the command string to the console before execution.
// This is useful for debugging or tracing which commands are being run.
let result = run("echo This command is logged").log().do();
print(`Command finished.`);
print(`Success: ${result.success}`);
print(`Exit Code: ${result.code}`);
print(`Stdout:\n${result.stdout}`);
print(`Stderr:\n${result.stderr}`);
print("run().log() example finished.");

22
examples/process/run_silent.rhai
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print("Running a command using run().silent().do()...\n");
// This command will print to standard output and standard error
// However, because .silent() is used, the output will not appear in the console directly
let result = run("echo 'This should be silent stdout.'; echo 'This should be silent stderr.' >&2; exit 0").silent().do();
// The output is still captured in the CommandResult
print(`Command finished.`);
print(`Success: ${result.success}`);
print(`Exit Code: ${result.code}`);
print(`Captured Stdout:\\n${result.stdout}`);
print(`Captured Stderr:\\n${result.stderr}`);
// Example of a silent command that fails (but won't halt because we only suppress output)
// let fail_result = run("echo 'This is silent failure stderr.' >&2; exit 1").silent().do();
// print(`Failed command finished (silent):`);
// print(`Success: ${fail_result.success}`);
// print(`Exit Code: ${fail_result.code}`);
// print(`Captured Stdout:\\n${fail_result.stdout}`);
// print(`Captured Stderr:\\n${fail_result.stderr}`);
print("\nrun().silent() example finished.");

25
examples/process/which.rhai
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print("Checking if a command exists in the system PATH using which()...\n");
// Check for a command that likely exists (e.g., 'node' or 'git')
let command_name_exists = "node";
let command_path_exists = which(command_name_exists);
if (command_path_exists != "") {
print(`'${command_name_exists}' executable found at: ${command_path_exists}`);
} else {
print(`'${command_name_exists}' executable not found in PATH.`);
}
print("\nChecking for a command that likely does NOT exist...");
// Check for a command that likely does not exist
let command_name_nonexistent = "nonexistent_command_abc_123";
let command_path_nonexistent = which(command_name_nonexistent);
if (command_path_nonexistent != "") {
print(`'${command_name_nonexistent}' executable found at: ${command_path_nonexistent}`);
} else {
print(`'${command_name_nonexistent}' executable not found in PATH.`);
}
print("\nwhich() example finished.");

131
examples/redisclient/auth_example.rhai
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@ -1,131 +0,0 @@
// Redis Authentication Example
//
// This example demonstrates how to use the Redis client module with authentication:
// - Create a Redis configuration with authentication
// - Connect to Redis using the configuration
// - Perform basic operations
//
// Prerequisites:
// - Redis server must be running with authentication enabled
// - You need to know the password for the Redis server
// Helper function to check if Redis is available
fn is_redis_available() {
try {
// Try to execute a simple ping
let ping_result = redis_ping();
return ping_result == "PONG";
} catch(err) {
print(`Redis connection error: ${err}`);
return false;
}
}
// Main function
fn main() {
print("=== Redis Authentication Example ===");
// Check if Redis is available
let redis_available = is_redis_available();
if !redis_available {
print("Redis server is not available. Please check your connection settings.");
return;
}
print("✓ Redis server is available");
// Step 1: Create a Redis configuration with authentication
print("\n1. Creating Redis configuration with authentication...");
// Replace these values with your actual Redis credentials
let redis_host = "localhost";
let redis_port = 6379;
let redis_password = "your_password_here"; // Replace with your actual password
// Create a configuration builder
let config = redis_config_builder();
// Configure the connection
config = config.host(redis_host);
config = config.port(redis_port);
config = config.password(redis_password);
// Build the connection URL
let connection_url = config.build_connection_url();
print(`✓ Created Redis configuration with URL: ${connection_url}`);
// Step 2: Connect to Redis using the configuration
print("\n2. Connecting to Redis with authentication...");
try {
let connect_result = redis_connect_with_config(config);
if (connect_result) {
print("✓ Successfully connected to Redis with authentication");
} else {
print("✗ Failed to connect to Redis with authentication");
return;
}
} catch(err) {
print(`✗ Error connecting to Redis: ${err}`);
return;
}
// Step 3: Perform basic operations
print("\n3. Performing basic operations...");
// Set a key
let set_key = "auth_example_key";
let set_value = "This value was set using authentication";
try {
let set_result = redis_set(set_key, set_value);
if (set_result) {
print(`✓ Successfully set key '${set_key}'`);
} else {
print(`✗ Failed to set key '${set_key}'`);
}
} catch(err) {
print(`✗ Error setting key: ${err}`);
}
// Get the key
try {
let get_result = redis_get(set_key);
if (get_result == set_value) {
print(`✓ Successfully retrieved key '${set_key}': '${get_result}'`);
} else {
print(`✗ Retrieved incorrect value for key '${set_key}': '${get_result}'`);
}
} catch(err) {
print(`✗ Error getting key: ${err}`);
}
// Delete the key
try {
let del_result = redis_del(set_key);
if (del_result) {
print(`✓ Successfully deleted key '${set_key}'`);
} else {
print(`✗ Failed to delete key '${set_key}'`);
}
} catch(err) {
print(`✗ Error deleting key: ${err}`);
}
// Verify the key is gone
try {
let verify_result = redis_get(set_key);
if (verify_result == "") {
print(`✓ Verified key '${set_key}' was deleted`);
} else {
print(`✗ Key '${set_key}' still exists with value: '${verify_result}'`);
}
} catch(err) {
print(`✗ Error verifying deletion: ${err}`);
}
print("\nExample completed successfully!");
}
// Run the main function
main();

73
run_rhai_tests.sh
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@ -1,73 +0,0 @@
#!/bin/bash
# run_rhai_tests.sh
# Script to run all Rhai tests in the rhai_tests directory
# Set colors for output
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[0;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color
# Create log file
LOG_FILE="run_rhai_tests.log"
> $LOG_FILE # Clear log file if it exists
# Function to log messages to both console and log file
log() {
echo -e "$1" | tee -a $LOG_FILE
}
# Print header
log "${BLUE}=======================================${NC}"
log "${BLUE} Running All Rhai Tests ${NC}"
log "${BLUE}=======================================${NC}"
# Find all test runner scripts
RUNNERS=$(find src/rhai_tests -name "run_all_tests.rhai")
# Initialize counters
TOTAL_MODULES=0
PASSED_MODULES=0
FAILED_MODULES=0
# Run each test runner
for runner in $RUNNERS; do
# Extract module name from path
module=$(echo $runner | cut -d'/' -f3)
log "\n${YELLOW}Running tests for module: ${module}${NC}"
log "${YELLOW}-------------------------------------${NC}"
# Run the test runner
herodo --path $runner | tee -a $LOG_FILE
TEST_RESULT=${PIPESTATUS[0]}
# Check if the test passed
if [ $TEST_RESULT -eq 0 ]; then
log "${GREEN}✓ Module ${module} tests passed${NC}"
PASSED_MODULES=$((PASSED_MODULES + 1))
else
log "${RED}✗ Module ${module} tests failed${NC}"
FAILED_MODULES=$((FAILED_MODULES + 1))
fi
TOTAL_MODULES=$((TOTAL_MODULES + 1))
done
# Print summary
log "\n${BLUE}=======================================${NC}"
log "${BLUE} Test Summary ${NC}"
log "${BLUE}=======================================${NC}"
log "Total modules tested: ${TOTAL_MODULES}"
log "Passed: ${GREEN}${PASSED_MODULES}${NC}"
log "Failed: ${RED}${FAILED_MODULES}${NC}"
# Set exit code based on test results
if [ $FAILED_MODULES -eq 0 ]; then
log "\n${GREEN}All tests passed!${NC}"
exit 0
else
log "\n${RED}Some tests failed!${NC}"
exit 1
fi

30
src/bin/herodo.rs
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@ -1,30 +0,0 @@
//! Herodo binary entry point
//!
//! This is the main entry point for the herodo binary.
//! It parses command line arguments and calls into the implementation in the cmd module.
use clap::{App, Arg};
fn main() -> Result<(), Box<dyn std::error::Error>> {
// Parse command line arguments
let matches = App::new("herodo")
.version("0.1.0")
.author("SAL Team")
.about("Executes Rhai scripts for SAL")
.arg(
Arg::with_name("path")
.short("p")
.long("path")
.value_name("PATH")
.help("Path to a Rhai script file or directory containing Rhai scripts")
.required(true)
.takes_value(true),
)
.get_matches();
// Get the script path from arguments
let script_path = matches.value_of("path").unwrap();
// Call the run function from the cmd module
sal::cmd::herodo::run(script_path)
}

117
src/cmd/herodo.rs
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@ -1,117 +0,0 @@
//! Herodo - A Rhai script executor for SAL
//!
//! This binary loads the Rhai engine, registers all SAL modules,
//! and executes Rhai scripts from a specified directory in sorted order.
// Removed unused imports
use rhai::Engine;
use std::error::Error;
use std::fs;
use std::path::{Path, PathBuf};
use std::process;
/// Run the herodo script executor with the given script path
///
/// # Arguments
///
/// * `script_path` - Path to a Rhai script file or directory containing Rhai scripts
///
/// # Returns
///
/// Result indicating success or failure
pub fn run(script_path: &str) -> Result<(), Box<dyn Error>> {
let path = Path::new(script_path);
// Check if the path exists
if !path.exists() {
eprintln!("Error: '{}' does not exist", script_path);
process::exit(1);
}
// Create a new Rhai engine
let mut engine = Engine::new();
// Register println function for output
engine.register_fn("println", |s: &str| println!("{}", s));
// Register all SAL modules with the engine
crate::rhai::register(&mut engine)?;
// Determine if the path is a file or directory
let script_files: Vec<PathBuf> = if path.is_file() {
// Check if it's a .rhai file
if path.extension().map_or(false, |ext| ext == "rhai") {
vec![path.to_path_buf()]
} else {
eprintln!("Error: '{}' is not a Rhai script file", script_path);
process::exit(1);
}
} else if path.is_dir() {
// Find all .rhai files in the directory recursively
let mut files: Vec<PathBuf> = Vec::new();
// Helper function to recursively find .rhai files
fn find_rhai_files(dir: &Path, files: &mut Vec<PathBuf>) -> std::io::Result<()> {
if dir.is_dir() {
for entry in fs::read_dir(dir)? {
let entry = entry?;
let path = entry.path();
if path.is_dir() {
find_rhai_files(&path, files)?;
} else if path.is_file() &&
path.extension().map_or(false, |ext| ext == "rhai") {
files.push(path);
}
}
}
Ok(())
}
// Find all .rhai files recursively
find_rhai_files(path, &mut files)?;
// Sort the script files by name
files.sort();
if files.is_empty() {
println!("No Rhai scripts found in '{}'", script_path);
return Ok(());
}
files
} else {
eprintln!("Error: '{}' is neither a file nor a directory", script_path);
process::exit(1);
};
println!("Found {} Rhai script{} to execute:",
script_files.len(),
if script_files.len() == 1 { "" } else { "s" });
// Execute each script in sorted order
for script_file in script_files {
println!("\nExecuting: {}", script_file.display());
// Read the script content
let script = fs::read_to_string(&script_file)?;
// Execute the script
match engine.eval::<rhai::Dynamic>(&script) {
Ok(result) => {
println!("Script executed successfully");
if !result.is_unit() {
println!("Result: {}", result);
}
},
Err(err) => {
eprintln!("Error executing script: {}", err);
// Exit with error code when a script fails
process::exit(1);
}
}
}
println!("\nAll scripts executed");
Ok(())
}

5
src/cmd/mod.rs
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@ -1,5 +0,0 @@
//! Command-line tools for SAL
//!
//! This module contains command-line tools built on top of the SAL library.
pub mod herodo;

34
src/docs/.gitignore vendored
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@ -1,34 +0,0 @@
# Dependencies
/node_modules
# Production
/build
# Generated files
.docusaurus
.cache-loader
# Misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*
bun.lockb
bun.lock
yarn.lock
build.sh
build_dev.sh
develop.sh
docusaurus.config.ts
sidebars.ts
tsconfig.json

22
src/docs/cfg/footer.json
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@ -1,22 +0,0 @@
{
"style": "dark",
"links": [
{
"title": "Web",
"items": [
{
"label": "ThreeFold.io",
"href": "https://threefold.io"
},
{
"href": "https://mycelium.threefold.io/",
"label": "Mycelium Network"
},
{
"href": "https://aibox.threefold.io/",
"label": "AI Box"
}
]
}
]
}

17
src/docs/cfg/main.json
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@ -1,17 +0,0 @@
{
"title": "ThreeFold HeroScript",
"tagline": "ThreeFold HeroScript",
"favicon": "img/favicon.png",
"url": "https://threefold.info",
"url_home": "docs/intro",
"baseUrl": "/heroscript/",
"image": "img/tf_graph.png",
"metadata": {
"description": "Internet Infrastructur for Everyone by Everyone, Everywhere.",
"image": "https://threefold.info/tfgrid4/img/tf_graph.png",
"title": "ThreeFold"
},
"buildDest":["root@info.ourworld.tf:/root/hero/www/info/heroscript"],
"buildDestDev":["root@info.ourworld.tf:/root/hero/www/infodev/heroscript"],
"copyright": "ThreeFold"
}

25
src/docs/cfg/navbar.json
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@ -1,25 +0,0 @@
{
"title": "",
"logo": {
"alt": "ThreeFold Logo",
"src": "img/logo.svg",
"srcDark": "img/new_logo_tft.png"
},
"items": [
{
"href": "https://threefold.io",
"label": "ThreeFold.io",
"position": "right"
},
{
"href": "https://mycelium.threefold.io/",
"label": "Mycelium Network",
"position": "right"
},
{
"href": "https://aibox.threefold.io/",
"label": "AI Box",
"position": "right"
}
]
}

7
src/docs/docs/intro.md
View File

@ -1,7 +0,0 @@
---
title: "intro"
sidebar_position: 1
---
# HeroScript

8
src/docs/docs/sal/_category_.json
View File

@ -1,8 +0,0 @@
{
"label": "SAL",
"position": 6,
"link": {
"type": "generated-index",
"description": "Tools to work with operating system."
}
}

239
src/docs/docs/sal/buildah.md
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@ -1,239 +0,0 @@
---
title: "build containers"
sidebar_position: 20
hide_title: true
---
# Container Builder
The Buildah module provides functions for working with containers and images using the Buildah tool. Buildah helps you create and manage container images.
## Builder Pattern
The Buildah module now supports a Builder pattern, which provides a more intuitive and flexible way to work with containers and images.
### Creating a Builder
```js
// Create a builder with a name and base image
let builder = bah_new("my-container", "alpine:latest");
// Access builder properties
let container_id = builder.container_id;
let name = builder.name;
let image = builder.image;
```
### Builder Methods
The Builder object provides the following methods:
- `run(command)`: Run a command in the container
- `run_with_isolation(command, isolation)`: Run a command with specified isolation
- `copy(source, dest)`: Copy files into the container
- `add(source, dest)`: Add files into the container
- `commit(image_name)`: Commit the container to an image
- `remove()`: Remove the container
- `reset()`: Remove the container and clear the container_id
- `config(options)`: Configure container metadata
- `set_entrypoint(entrypoint)`: Set the entrypoint for the container
- `set_cmd(cmd)`: Set the default command for the container
- `debug_mode`: Get or set the debug flag (true/false)
- `write_content(content, dest_path)`: Write content to a file in the container
- `read_content(source_path)`: Read content from a file in the container
- `images()`: List images in local storage
- `image_remove(image)`: Remove an image
- `image_pull(image, tls_verify)`: Pull an image from a registry
- `image_push(image, destination, tls_verify)`: Push an image to a registry
- `image_tag(image, new_name)`: Add a tag to an image
- `build(tag, context_dir, file, isolation)`: Build an image from a Dockerfile
- `build(tag, context_dir, file, isolation)`: Build an image from a Dockerfile
### Example
```js
// Create a builder
let builder = bah_new("my-container", "alpine:latest");
// Enable debug mode to see command output
builder.debug_mode = true;
// Reset the builder to remove any existing container
builder.reset();
// Create a new container
builder = bah_new("my-container", "alpine:latest");
// Run a command
let result = builder.run("echo 'Hello from container'");
println(`Command output: ${result.stdout}`);
// Write content directly to a file in the container
let script_content = `#!/bin/sh
echo "Hello from startup script"
`;
builder.write_content(script_content, "/start.sh");
builder.run("chmod +x /start.sh");
// Set the entrypoint for the container
builder.set_entrypoint("/start.sh");
// Add a file
file_write("test_file.txt", "Test content");
builder.add("test_file.txt", "/");
// Commit to an image
builder.commit("my-custom-image:latest");
// Clean up
builder.remove();
delete("test_file.txt");
```
## Image Information
### Image Properties
When working with images, you can access the following information:
- `id`: The unique identifier for the image
- `names`: A list of names/tags for the image
- `name`: The primary name of the image, or `<none>` if the image has no names
- `size`: The size of the image
- `created`: When the image was created
## Builder Methods
### `bah_new(name, image)`
Creates a new Builder object for working with a container.
**Parameters:**
- `name` (string): The name to give the container
- `image` (string): The name or ID of the image to create the container from
**Returns:** A Builder object if successful.
**Example:**
```js
// Create a new Builder
let builder = bah_new("my-container", "alpine:latest");
```
**Notes:**
- If a container with the given name already exists, it will be reused instead of creating a new one
- The Builder object provides methods for working with the container
### `reset()`
Resets a Builder by removing the container and clearing the container_id. This allows you to start fresh with the same Builder object.
**Returns:** Nothing.
**Example:**
```js
// Create a Builder
let builder = bah_new("my-container", "alpine:latest");
// Reset the Builder to remove the container
builder.reset();
// Create a new container with the same name
builder = bah_new("my-container", "alpine:latest");
```
### `debug_mode`
Get or set the debug flag for the Builder. When debug mode is enabled, all buildah commands will output their stdout/stderr, making it easier to debug issues.
**Example:**
```js
// Create a Builder
let builder = bah_new("my-container", "alpine:latest");
// Enable debug mode
builder.debug_mode = true;
// Run a command with debug output
builder.run("echo 'Hello with debug'");
// Disable debug mode
builder.debug_mode = false;
```
### `set_entrypoint(entrypoint)`
Sets the entrypoint for the container. The entrypoint is the command that will be executed when the container starts.
**Parameters:**
- `entrypoint` (string): The entrypoint command
**Returns:** Command result if successful.
**Example:**
```js
// Create a Builder
let builder = bah_new("my-container", "alpine:latest");
// Set the entrypoint
builder.set_entrypoint("/start.sh");
```
### `set_cmd(cmd)`
Sets the default command for the container. This is used as arguments to the entrypoint.
**Parameters:**
- `cmd` (string): The default command
**Returns:** Command result if successful.
**Example:**
```js
// Create a Builder
let builder = bah_new("my-container", "alpine:latest");
// Set the default command
builder.set_cmd("--verbose");
```
### `write_content(content, dest_path)`
Writes content to a file in the container.
**Parameters:**
- `content` (string): The content to write
- `dest_path` (string): The destination path in the container
**Returns:** Command result if successful.
**Example:**
```js
// Create a Builder
let builder = bah_new("my-container", "alpine:latest");
// Write content to a file
let content = "Hello, world!";
builder.write_content(content, "/hello.txt");
```
### `read_content(source_path)`
Reads content from a file in the container.
**Parameters:**
- `source_path` (string): The source path in the container
**Returns:** The file content as a string if successful.
**Example:**
```js
// Create a Builder
let builder = bah_new("my-container", "alpine:latest");
// Write content to a file
builder.write_content("Hello, world!", "/hello.txt");
// Read content from the file
let content = builder.read_content("/hello.txt");
println(content); // Outputs: Hello, world!
```

210
src/docs/docs/sal/git.md
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@ -1,210 +0,0 @@
---
title: "git"
sidebar_position: 5
hide_title: true
---
# Git
This module provides HeroScript wrappers for the Git functionality in SAL.
> **Note:** The constructor for GitTree has been renamed from `new()` to `gittree_new()` to avoid confusion with other constructors. This makes the interface more explicit and less likely to cause naming conflicts.
## Object-Oriented Design
The Git module follows an object-oriented design with two main classes:
1. **GitTree** - Represents a collection of git repositories under a base path
- Created with `gittree_new(base_path)`
- Methods for listing, finding, and getting repositories
2. **GitRepo** - Represents a single git repository
- Obtained from GitTree's `get()` method
- Methods for common git operations: pull, reset, push, commit
This design allows for a more intuitive and flexible interface, with method chaining for complex operations.
## Creating a GitTree
The GitTree object is the main entry point for git operations. It represents a collection of git repositories under a base path.
```js
// Create a new GitTree with a base path
let git_tree = gittree_new("/root/code");
print(`Created GitTree with base path: /home/user/code`);
```
## Finding Repositories
### List All Repositories
```js
// List all git repositories under the base path
let repos = git_tree.list();
print(`Found ${repos.len()} repositories`);
// Print the repositories
for repo in repos {
print(` - ${repo}`);
}
```
### Find Repositories Matching a Pattern
```js
// Find repositories matching a pattern
// Use a wildcard (*) suffix to find multiple matches
let matching_repos = git_tree.find("my-project*");
print("Matching repositories:");
for repo in matching_repos {
print(` - ${repo}`);
}
// Find a specific repository (must match exactly one)
let specific_repo = git_tree.find("unique-project")[0];
print(`Found specific repository: ${specific_repo}`);
```
## Working with Repositories
### Get Repository Objects
```js
// Get GitRepo objects for repositories matching a pattern
let repos = git_tree.get("my-project*");
print(`Found ${repos.len()} repositories`);
// Get a specific repository
let repo = git_tree.get("unique-project")[0];
print(`Working with repository: ${repo.path()}`);
```
### Clone a Repository
```js
// Clone a repository by URL
// This will clone the repository to the base path of the GitTree
let repos = git_tree.get("https://github.com/username/repo.git");
let repo = repos[0];
print(`Repository cloned to: ${repo.path()}`);
```
### Check for Changes
```js
// Check if a repository has uncommitted changes
let repo = git_tree.get("my-project")[0];
if repo.has_changes() {
print("Repository has uncommitted changes");
} else {
print("Repository is clean");
}
```
## Repository Operations
### Pull Changes
```js
// Pull the latest changes from the remote
// This will fail if there are uncommitted changes
let repo = git_tree.get("my-project")[0];
let result = repo.pull();
print("Repository updated successfully");
```
### Reset Local Changes
```js
// Reset any local changes in the repository
let repo = git_tree.get("my-project")[0];
let result = repo.reset();
print("Repository reset successfully");
```
### Commit Changes
```js
// Commit changes in the repository
let repo = git_tree.get("my-project")[0];
let result = repo.commit("Fix bug in login form");
print("Changes committed successfully");
```
### Push Changes
```js
// Push changes to the remote
let repo = git_tree.get("my-project")[0];
let result = repo.push();
print("Changes pushed successfully");
```
## Method Chaining
The GitRepo methods can be chained together for more complex operations:
```js
// Commit changes and push them to the remote
let repo = git_tree.get("my-project")[0];
let result = repo.commit("Add new feature").push();
print("Changes committed and pushed successfully");
// Reset local changes, pull the latest changes, and commit new changes
let repo = git_tree.get("my-project")[0];
let result = repo.reset().pull().commit("Update dependencies");
print("Repository updated successfully");
```
## Complete Example
```js
// Create a new GitTree
let home_dir = env("HOME");
let git_tree = gittree_new(`${home_dir}/code`);
// Clone a repository
let repos = git_tree.get("https://github.com/username/example-repo.git");
let repo = repos[0];
print(`Cloned repository to: ${repo.path()}`);
// Make some changes (using OS module functions)
let file_path = `${repo.path()}/README.md`;
let content = "# Example Repository\n\nThis is an example repository.";
write_file(file_path, content);
// Commit and push the changes
let result = repo.commit("Update README.md").push();
print("Changes committed and pushed successfully");
// List all repositories
let all_repos = git_tree.list();
print("All repositories:");
for repo_path in all_repos {
print(` - ${repo_path}`);
}
```
## Error Handling
All methods in the Git module return a Result type, which means they can either succeed or fail with an error. If an error occurs, it will be propagated to the HeroScript script as a runtime error.
For example, if you try to clone a repository that doesn't exist:
```js
// Try to clone a non-existent repository
try {
let git_tree = gittree_new("/root/code");
let repos = git_tree.get("https://github.com/nonexistent/repo.git");
print("This will not be executed if the repository doesn't exist");
} catch(err) {
print(`Error: ${err}`); // Will print the error message from git
}
```
Common errors include:
- Invalid URL
- Repository not found
- Authentication failure
- Network issues
- Local changes exist when trying to pull

10
src/docs/docs/sal/intro.md
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@ -1,10 +0,0 @@
---
title: "intro"
sidebar_position: 1
hide_title: true
---
## HeroScript Script Commands Documentation
The SAL library provides integration with the HeroScript scripting language, allowing you to use powerful system functions within your HeroScript scripts. These functions are organized into modules that provide related functionality.

239
src/docs/docs/sal/nerdctl.md
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@ -1,239 +0,0 @@
---
title: "run containers"
sidebar_position: 21
hide_title: true
---
# Container Manager
The Container Manager module provides a comprehensive API for working with containers using nerdctl. It offers a modern builder pattern approach for container management.
## Container Builder Pattern
The Container Builder Pattern allows for fluent, chainable configuration of containers. This pattern makes container creation more readable and maintainable by allowing you to build complex container configurations step by step.
### Creating a Container
Start by creating a new container instance:
```rhai
// Create an empty container with just a name
let container = nerdctl_container_new("my-container");
// Or create a container from an image
let container = nerdctl_container_from_image("my-container", "nginx:latest");
```
### Configuring the Container
Once you have a container instance, you can configure it using the various builder methods:
```rhai
// Configure the container with various options
let container = nerdctl_container_from_image("web-server", "nginx:latest")
.with_port("8080:80") // Map port 8080 to container port 80
.with_volume("/host/path:/container/path") // Mount a volume
.with_env("NGINX_HOST", "localhost") // Set an environment variable
.with_network("bridge") // Set the network
.with_detach(true); // Run in detached mode
```
### Resetting Container Configuration
If you need to reset the container configuration to its default state while keeping the name and image:
```rhai
// Reset the container configuration
let container = nerdctl_container_from_image("web-server", "nginx:latest")
.reset() // Reset all configuration to defaults
.with_port("8080:80") // Start configuring again
.with_detach(true);
```
### Building and Starting the Container
After configuring the container, you can build and start it:
```rhai
// Build the container (creates it but doesn't start it)
let built_container = container.build();
// Start the container
let start_result = built_container.start();
// Check if the container started successfully
if (start_result.success) {
println("Container started successfully!");
} else {
println(`Failed to start container: ${start_result.stderr}`);
}
```
### Container Lifecycle Operations
Once your container is running, you can perform various operations:
```rhai
// Execute a command in the container
let exec_result = container.exec("ls -la");
// Get container logs
let logs = container.logs();
// Stop the container
let stop_result = container.stop();
// Remove the container
let remove_result = container.remove();
```
## Available Builder Methods
The Container Builder Pattern provides the following methods for configuring containers:
| Method | Description | Example |
| -------------------------------------------------------------------------- | ---------------------------------- | --------------------------------------------------------------------------------- |
| `reset()` | Reset configuration to defaults | `.reset()` |
| `with_port(port)` | Add a port mapping | `.with_port("8080:80")` |
| `with_ports(ports_array)` | Add multiple port mappings | `.with_ports(["8080:80", "443:443"])` |
| `with_volume(volume)` | Add a volume mount | `.with_volume("/host/path:/container/path")` |
| `with_volumes(volumes_array)` | Add multiple volume mounts | `.with_volumes(["/host/path1:/container/path1", "/host/path2:/container/path2"])` |
| `with_env(key, value)` | Add an environment variable | `.with_env("NGINX_HOST", "localhost")` |
| `with_envs(env_map)` | Add multiple environment variables | `.with_envs(#{"KEY1": "value1", "KEY2": "value2"})` |
| `with_network(network)` | Set the network | `.with_network("bridge")` |
| `with_network_alias(alias)` | Add a network alias | `.with_network_alias("web-server")` |
| `with_network_aliases(aliases_array)` | Add multiple network aliases | `.with_network_aliases(["web-server", "http-service"])` |
| `with_cpu_limit(cpus)` | Set CPU limit | `.with_cpu_limit("1.0")` |
| `with_cpu_shares(shares)` | Set CPU shares | `.with_cpu_shares("1024")` |
| `with_memory_limit(memory)` | Set memory limit | `.with_memory_limit("512m")` |
| `with_memory_swap_limit(memory_swap)` | Set memory swap limit | `.with_memory_swap_limit("1g")` |
| `with_restart_policy(policy)` | Set restart policy | `.with_restart_policy("unless-stopped")` |
| `with_health_check(cmd)` | Set health check command | `.with_health_check("curl -f http://localhost/ | | exit 1")` |
| `with_health_check_options(cmd, interval, timeout, retries, start_period)` | Set health check with options | `.with_health_check_options("curl -f http://localhost/ | | exit 1", "5s", "3s", 3, "10s")` |
| `with_snapshotter(snapshotter)` | Set snapshotter | `.with_snapshotter("native")` |
| `with_detach(detach)` | Set detach mode | `.with_detach(true)` |
## Complete Example: Web Server
Here's a complete example that demonstrates setting up an Nginx web server using the Container Builder Pattern:
```rhai
// Create a temporary directory for our files
let work_dir = "/tmp/nerdctl";
mkdir(work_dir);
chdir(work_dir);
// Create a custom index.html file
let html_content = `
<!DOCTYPE html>
<html>
<head>
<title>Rhai Nerdctl Demo</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 40px;
line-height: 1.6;
color: #333;
}
h1 {
color: #0066cc;
}
</style>
</head>
<body>
<h1>Hello from Rhai Nerdctl!</h1>
<p>This page is served by an Nginx container created using the Rhai nerdctl wrapper.</p>
</body>
</html>
`;
// Write the HTML file
let html_file = `${work_dir}/index.html`;
file_write(html_file, html_content);
// Set up environment variables
let env_map = #{};
env_map["NGINX_HOST"] = "localhost";
env_map["NGINX_PORT"] = "80";
env_map["NGINX_WORKER_PROCESSES"] = "auto";
// Create and configure the container
let container_name = "rhai-nginx-demo";
// First, try to remove any existing container with the same name
nerdctl_remove(container_name);
// Create a container with a rich set of options using the builder pattern
let container = nerdctl_container_from_image(container_name, "nginx:latest")
.reset() // Reset to default configuration
.with_detach(true)
.with_ports(["8080:80"]) // Add multiple ports at once
.with_volumes([`${work_dir}:/usr/share/nginx/html`]) // Mount our work dir
.with_envs(env_map) // Add multiple environment variables at once
.with_network("bridge")
.with_network_aliases(["web-server", "nginx-demo"]) // Add multiple network aliases
.with_cpu_limit("1.0")
.with_memory_limit("512m");
// Build and start the container
let built_container = container.build();
let start_result = built_container.start();
println("The web server is running at http://localhost:8080");
```
## Using Local Images Created with Buildah
When working with images created by Buildah, you may need to take additional steps to ensure nerdctl can find and use these images. This is because Buildah and nerdctl may use different storage backends by default.
### Tagging with localhost Prefix
One approach is to tag the Buildah-created image with a `localhost/` prefix:
```rhai
// Create and commit a container with Buildah
let builder = bah_new("my-container", "alpine:latest");
builder.run("echo 'Hello' > /hello.txt");
builder.commit("my-custom-image:latest");
// Tag the image with localhost prefix for nerdctl compatibility
let local_image_name = "localhost/my-custom-image:latest";
bah_image_tag("my-custom-image:latest", local_image_name);
// Now use the image with nerdctl
let container = nerdctl_container_from_image("my-app", local_image_name)
.with_detach(true)
.build();
```
### Using a Local Registry
For more reliable interoperability, you can push the image to a local registry:
```rhai
// Push the Buildah-created image to a local registry
bah_image_push("my-custom-image:latest", "localhost:5000/my-custom-image:latest", false);
// Pull the image with nerdctl
nerdctl_image_pull("localhost:5000/my-custom-image:latest");
// Use the image
let container = nerdctl_container_from_image("my-app", "localhost:5000/my-custom-image:latest")
.with_detach(true)
.build();
```
## Image Management Functions
The module also provides functions for managing container images:
| Function | Description | Example |
| --------------------------------------------- | --------------------------------------- | ------------------------------------------------------------------------------- |
| `nerdctl_images()` | List images in local storage | `nerdctl_images()` |
| `nerdctl_image_remove(image)` | Remove an image | `nerdctl_image_remove("nginx:latest")` |
| `nerdctl_image_push(image, destination)` | Push an image to a registry | `nerdctl_image_push("my-image:latest", "registry.example.com/my-image:latest")` |
| `nerdctl_image_tag(image, new_name)` | Add an additional name to a local image | `nerdctl_image_tag("nginx:latest", "my-nginx:latest")` |
| `nerdctl_image_pull(image)` | Pull an image from a registry | `nerdctl_image_pull("nginx:latest")` |
| `nerdctl_image_commit(container, image_name)` | Commit a container to an image | `nerdctl_image_commit("web-server", "my-nginx:latest")` |
| `nerdctl_image_build(tag, context_path)` | Build an image using a Dockerfile | `nerdctl_image_build("my-image:latest", "./")` |

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---
title: "os"
sidebar_position: 2
hide_title: true
---
# OS Tools
The OS module provides functions for working with files, directories, and downloading files from the internet.
## File System Functions
### `copy(src, dest)`
Recursively copies a file or directory from source to destination.
**Parameters:**
- `src` (string): The source file or directory path
- `dest` (string): The destination path
**Returns:** A message confirming the copy was successful.
**Example:**
```js
// Copy a file
copy("source.txt", "destination.txt");
// Copy a directory recursively
copy("source_dir", "destination_dir");
```
### `exist(path)`
Checks if a file or directory exists.
**Parameters:**
- `path` (string): The path to check
**Returns:** A boolean value - `true` if the file or directory exists, `false` otherwise.
**Example:**
```js
if exist("config.json") {
// File exists, do something
} else {
// File doesn't exist
}
```
### `find_file(dir, filename)`
Finds a file in a directory with support for wildcards.
**Parameters:**
- `dir` (string): The directory to search in
- `filename` (string): The filename pattern to search for (supports wildcards)
**Returns:** The path of the first matching file.
**Example:**
```js
// Find a specific file
let config_file = find_file("./config", "settings.json");
// Find using wildcards
let log_file = find_file("./logs", "*.log");
```
### `find_files(dir, filename)`
Finds multiple files in a directory recursively with support for wildcards.
**Parameters:**
- `dir` (string): The directory to search in
- `filename` (string): The filename pattern to search for (supports wildcards)
**Returns:** A list of matching file paths.
**Example:**
```js
// Find all JSON files
let json_files = find_files("./data", "*.json");
// Process each file
for file in json_files {
print(`Found file: ${file}`);
}
```
### `find_dir(dir, dirname)`
Finds a directory in a parent directory with support for wildcards.
**Parameters:**
- `dir` (string): The parent directory to search in
- `dirname` (string): The directory name pattern to search for (supports wildcards)
**Returns:** The path of the first matching directory.
**Example:**
```js
// Find a specific directory
let config_dir = find_dir("./", "config");
// Find using wildcards
let version_dir = find_dir("./releases", "v*");
```
### `find_dirs(dir, dirname)`
Finds multiple directories in a parent directory recursively with support for wildcards.
**Parameters:**
- `dir` (string): The parent directory to search in
- `dirname` (string): The directory name pattern to search for (supports wildcards)
**Returns:** A list of matching directory paths.
**Example:**
```js
// Find all version directories
let version_dirs = find_dirs("./releases", "v*");
// Process each directory
for dir in version_dirs {
print(`Found directory: ${dir}`);
}
```
### `delete(path)`
Deletes a file or directory. This function is defensive and doesn't error if the file doesn't exist.
**Parameters:**
- `path` (string): The path of the file or directory to delete
**Returns:** A message confirming the deletion was successful.
**Example:**
```js
// Delete a file
delete("temp.txt");
// Delete a directory
delete("temp_dir");
```
### `mv(src, dest)`
Moves a file or directory from source to destination.
**Parameters:**
- `src` (string): The source path
- `dest` (string): The destination path
**Returns:** A message confirming the move was successful.
**Example:**
```js
// Move a file
mv("file.txt", "new_location/file.txt");
// Move a directory
mv("source_dir", "destination_dir");
// Rename a file
mv("old_name.txt", "new_name.txt");
```
### `mkdir(path)`
Creates a directory and all parent directories. This function is defensive and doesn't error if the directory already exists.
**Parameters:**
- `path` (string): The path of the directory to create
**Returns:** A message confirming the directory was created.
**Example:**
```js
// Create a directory
mkdir("new_dir");
// Create nested directories
mkdir("parent/child/grandchild");
```
### `file_size(path)`
Gets the size of a file in bytes.
**Parameters:**
- `path` (string): The path of the file
**Returns:** The size of the file in bytes.
**Example:**
```js
// Get file size
let size = file_size("large_file.dat");
print(`File size: ${size} bytes`);
```
## File Content Functions
### `file_read(path)`
Reads the contents of a file.
**Parameters:**
- `path` (string): The path of the file to read
**Returns:** The content of the file as a string.
**Example:**
```js
// Read a file
let content = file_read("config.json");
print(`File content: ${content}`);
```
### `file_write(path, content)`
Writes content to a file. Creates the file if it doesn't exist, overwrites if it does.
**Parameters:**
- `path` (string): The path of the file to write to
- `content` (string): The content to write to the file
**Returns:** A message confirming the file was written.
**Example:**
```js
// Write to a file
file_write("config.json", "{\n \"setting\": \"value\"\n}");
```
### `file_write_append(path, content)`
Appends content to a file. Creates the file if it doesn't exist.
**Parameters:**
- `path` (string): The path of the file to append to
- `content` (string): The content to append to the file
**Returns:** A message confirming the content was appended.
**Example:**
```js
// Append to a log file
file_write_append("log.txt", "New log entry\n");
```
### `rsync(src, dest)`
Syncs directories using rsync (or platform equivalent).
**Parameters:**
- `src` (string): The source directory
- `dest` (string): The destination directory
**Returns:** A message confirming the directories were synced.
**Example:**
```js
// Sync directories
rsync("source_dir", "backup_dir");
```
### `chdir(path)`
Changes the current working directory.
**Parameters:**
- `path` (string): The path to change to
**Returns:** A message confirming the directory was changed.
**Example:**
```js
// Change directory
chdir("project/src");
```
## Download Functions
### `download(url, dest, min_size_kb)`
Downloads a file from a URL to a destination directory using the curl command. If the URL ends with a supported archive format, the file will be automatically extracted to the destination directory.
**Supported archive formats for automatic extraction:**
- `.tar.gz`
- `.tgz`
- `.tar`
- `.zip`
**Parameters:**
- `url` (string): The URL to download from
- `dest` (string): The destination directory where the file will be saved or extracted
- `min_size_kb` (integer): The minimum expected file size in kilobytes (for validation)
**Returns:** The path where the file was saved or extracted.
**Example:**
```js
// Download a file to a directory
download("https://example.com/file.zip", "downloads/", 10);
```
### `download_file(url, dest, min_size_kb)`
Downloads a file from a URL to a specific file destination using the curl command. This function is designed for downloading files to a specific path, not for extracting archives.
**Parameters:**
- `url` (string): The URL to download from
- `dest` (string): The destination file path where the file will be saved
- `min_size_kb` (integer): The minimum expected file size in kilobytes (for validation)
**Returns:** The path where the file was saved.
**Example:**
```js
// Download a file to a specific path
download_file("https://example.com/file.txt", "downloads/myfile.txt", 10);
```
### `download_install(url, min_size_kb)`
Downloads a file and installs it if it's a supported package format.
**Supported package formats for automatic installation:**
- `.deb` packages on Debian-based systems
**Parameters:**
- `url` (string): The URL to download from
- `min_size_kb` (integer): The minimum expected file size in kilobytes (for validation)
**Returns:** The path where the file was saved or installed.
**Example:**
```js
// Download and install a package
download_install("https://example.com/package.deb", 1000);
```
### `chmod_exec(path)`
Makes a file executable (equivalent to `chmod +x` in Unix).
**Parameters:**
- `path` (string): The path to the file to make executable
**Returns:** A message confirming the file was made executable.
**Example:**
```js
// Make a file executable
chmod_exec("downloads/script.sh");
```

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---
title: "process"
sidebar_position: 3
hide_title: true
---
# Process Module
The Process module provides functions for running commands and managing processes on your system.
## Command Results
### Command Output Information
When you run a command, you get back information about what happened:
- `stdout`: The normal output of the command
- `stderr`: Any error messages from the command
- `success`: Whether the command worked (true) or failed (false)
- `code`: The exit code (0 usually means success)
### Process Information
When you get information about a running process, you can see:
- `pid`: The process ID number
- `name`: The name of the process
- `memory`: How much memory the process is using
- `cpu`: How much CPU the process is using
## Run Functions
### `run(command)`
Runs a command or multiline script with arguments.
**Parameters:**
- `command` (string): The command to run (can be a single command or a multiline script)
**Returns:** The result of the command, including output and whether it succeeded.
**Example 1: Running a simple command**
```js
// Run a simple command
let result = run("ls -la");
// Check if the command was successful
if result.success {
print(`Command output: ${result.stdout}`);
} else {
print(`Command failed with error: ${result.stderr}`);
}
```
**Example 2: Running a multiline script**
```js
// Create a multiline script using backtick string literals
let setup_script = `
# Create directories
mkdir -p /tmp/test_project
cd /tmp/test_project
# Initialize git repository
git init
echo 'Initial content' > README.md
git add README.md
git config --local user.email 'test@example.com'
git config --local user.name 'Test User'
git commit -m 'Initial commit'
`;
// Execute the multiline script
let result = run(setup_script);
```
### `run_silent(command)`
Runs a command or multiline script with arguments silently (without displaying output).
**Parameters:**
- `command` (string): The command to run
**Returns:** The result of the command, without displaying the output.
**Example:**
```js
// Run a command silently
let result = run_silent("git pull");
// Check the exit code
if result.code == 0 {
print("Git pull successful");
} else {
print(`Git pull failed with code ${result.code}`);
}
```
### `new_run_options()`
Creates a new map with default run options.
**Returns:** A map with the following default options:
- `die` (boolean): `true` - Whether to throw an error if the command fails
- `silent` (boolean): `false` - Whether to suppress command output
- `async_exec` (boolean): `false` - Whether to run the command asynchronously
- `log` (boolean): `false` - Whether to log the command execution
**Example:**
```js
// Create run options
let options = new_run_options();
```
### `run_with_options(command, options)`
Runs a command with options specified in a map.
**Parameters:**
- `command` (string): The command to run
- `options` (map): A map of options created with `new_run_options()`
**Returns:** The result of the command with your custom settings applied.
**Example:**
```js
// Create and customize run options
let options = new_run_options();
options.die = false; // Don't throw an error if the command fails
options.silent = true; // Suppress command output
options.async_exec = false; // Run synchronously
options.log = true; // Log the command execution
// Run a command with options
let result = run_with_options("npm install", options);
```
## Working with Multiline Scripts
The Process module allows you to execute multiline scripts, which is particularly useful for complex operations that require multiple commands to be executed in sequence.
### Creating Multiline Scripts
Multiline scripts can be created using backtick (`) string literals in HeroScript:
```js
let my_script = `
# This is a multiline bash script
echo "Hello, World!"
mkdir -p /tmp/my_project
cd /tmp/my_project
touch example.txt
`;
```
## Process Management Functions
### `which(cmd)`
Checks if a command exists in the PATH.
**Parameters:**
- `cmd` (string): The command to check
**Returns:** The full path to the command if found, or nothing if not found.
**Example:**
```js
// Check if a command exists
let git_path = which("git");
if git_path != () {
print(`Git is installed at: ${git_path}`);
} else {
print("Git is not installed");
}
```
### `kill(pattern)`
Kills processes matching a pattern.
**Parameters:**
- `pattern` (string): The pattern to match process names against
**Returns:** A message confirming the processes were killed.
**Example:**
```js
// Kill all processes with "node" in their name
kill("node");
```
### `process_list(pattern)`
Lists processes matching a pattern (or all processes if the pattern is empty).
**Parameters:**
- `pattern` (string): The pattern to match process names against (can be empty to list all processes)
**Returns:** A list of processes matching your search.
**Example:**
```js
// List all processes
let all_processes = process_list("");
// List processes containing "node" in their name
let node_processes = process_list("node");
// Display process information
for process in node_processes {
print(`PID: ${process.pid}, Name: ${process.name}, Memory: ${process.memory}, CPU: ${process.cpu}`);
}
```
### `process_get(pattern)`
Gets a single process matching the pattern. Throws an error if zero or more than one process matches.
**Parameters:**
- `pattern` (string): The pattern to match process names against
**Returns:** Information about the matching process. This will only work if exactly one process matches.
**Example:**
```js
// Try to get a specific process
try {
let process = process_get("my_app");
print(`Found process: PID=${process.pid}, Name=${process.name}`);
} catch(err) {
print(`Error: ${err}`);
}
```

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# RFS (Remote File System)
The RFS module provides a Rust wrapper for the RFS tool, which allows mounting remote filesystems locally and managing filesystem layers.
## Overview
RFS (Remote File System) is a tool that enables mounting various types of remote filesystems locally, as well as creating and managing filesystem layers. The SAL library provides a Rust wrapper for RFS with a fluent builder API, making it easy to use in your applications.
## Features
- Mount remote filesystems locally (SSH, S3, WebDAV, etc.)
- List mounted filesystems
- Unmount filesystems
- Pack directories into filesystem layers
- Unpack filesystem layers
- List contents of filesystem layers
- Verify filesystem layers
## Usage in Rust
### Mounting a Filesystem
```rust
use sal::virt::rfs::{RfsBuilder, MountType};
// Create a new RFS builder
let mount = RfsBuilder::new("user@example.com:/remote/path", "/local/mount/point", MountType::SSH)
.with_option("port", "2222")
.with_option("identity_file", "/path/to/key")
.with_debug(true)
.mount()?;
println!("Mounted filesystem with ID: {}", mount.id);
```
### Listing Mounts
```rust
use sal::virt::rfs::list_mounts;
// List all mounts
let mounts = list_mounts()?;
for mount in mounts {
println!("Mount ID: {}, Source: {}, Target: {}", mount.id, mount.source, mount.target);
}
```
### Unmounting a Filesystem
```rust
use sal::virt::rfs::unmount;
// Unmount a filesystem
unmount("/local/mount/point")?;
```
### Packing a Directory
```rust
use sal::virt::rfs::{PackBuilder, StoreSpec};
// Create store specifications
let store_spec = StoreSpec::new("file")
.with_option("path", "/path/to/store");
// Pack a directory with builder pattern
let result = PackBuilder::new("/path/to/directory", "output.fl")
.with_store_spec(store_spec)
.with_debug(true)
.pack()?;
```
### Unpacking a Filesystem Layer
```rust
use sal::virt::rfs::unpack;
// Unpack a filesystem layer
unpack("input.fl", "/path/to/unpack")?;
```
## Usage in Rhai Scripts
### Mounting a Filesystem
```rhai
// Create a map for mount options
let options = #{
"port": "22",
"identity_file": "/path/to/key",
"readonly": "true"
};
// Mount the directory
let mount = rfs_mount("user@example.com:/remote/path", "/local/mount/point", "ssh", options);
print(`Mounted ${mount.source} to ${mount.target} with ID: ${mount.id}`);
```
### Listing Mounts
```rhai
// List all mounts
let mounts = rfs_list_mounts();
print(`Number of mounts: ${mounts.len()}`);
for mount in mounts {
print(`Mount ID: ${mount.id}, Source: ${mount.source}, Target: ${mount.target}`);
}
```
### Unmounting a Filesystem
```rhai
// Unmount the directory
rfs_unmount("/local/mount/point");
```
### Packing a Directory
```rhai
// Pack the directory
// Store specs format: "file:path=/path/to/store,s3:bucket=my-bucket"
rfs_pack("/path/to/directory", "output.fl", "file:path=/path/to/store");
```
### Unpacking a Filesystem Layer
```rhai
// Unpack the filesystem layer
rfs_unpack("output.fl", "/path/to/unpack");
```
## Mount Types
The RFS module supports various mount types:
- **Local**: Mount a local directory
- **SSH**: Mount a remote directory via SSH
- **S3**: Mount an S3 bucket
- **WebDAV**: Mount a WebDAV server
## Store Specifications
When packing a directory into a filesystem layer, you can specify one or more stores to use. Each store has a type and options:
- **File**: Store files on the local filesystem
- Options: `path` (path to the store)
- **S3**: Store files in an S3 bucket
- Options: `bucket` (bucket name), `region` (AWS region), `access_key`, `secret_key`
## Examples
See the [RFS example script](../../rhaiexamples/rfs_example.rhai) for more examples of how to use the RFS module in Rhai scripts.

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# Text Manipulation Tools
The SAL text module provides powerful text manipulation capabilities that can be used from Rhai scripts. These include text replacement (with regex support), template rendering, string normalization, and text formatting utilities.
## Table of Contents
- [Text Replacement](#text-replacement)
- [Template Rendering](#template-rendering)
- [String Normalization](#string-normalization)
- [Text Formatting](#text-formatting)
## Text Replacement
The text replacement tools allow you to perform simple or complex text replacements, with support for regular expressions, case-insensitive matching, and file operations.
### Basic Usage
```rhai
// Create a new text replacer
let replacer = text_replacer_new()
.pattern("foo") // Set the pattern to search for
.replacement("bar") // Set the replacement text
.build(); // Build the replacer
// Apply the replacer to a string
let result = replacer.replace("foo bar foo");
// Result: "bar bar bar"
```
### Advanced Features
#### Regular Expressions
```rhai
// Create a replacer with regex support
let replacer = text_replacer_new()
.pattern("\\bfoo\\b") // Use regex pattern (word boundary)
.replacement("bar")
.regex(true) // Enable regex mode
.build();
// Apply the replacer to a string
let result = replacer.replace("foo foobar");
// Result: "bar foobar" (only replaces whole "foo" words)
```
#### Case-Insensitive Matching
```rhai
// Create a replacer with case-insensitive matching
let replacer = text_replacer_new()
.pattern("foo")
.replacement("bar")
.regex(true)
.case_insensitive(true) // Enable case-insensitive matching
.build();
// Apply the replacer to a string
let result = replacer.replace("FOO foo Foo");
// Result: "bar bar bar"
```
#### Multiple Replacements
```rhai
// Chain multiple replacements
let replacer = text_replacer_new()
.pattern("foo")
.replacement("bar")
.and() // Add another replacement operation
.pattern("baz")
.replacement("qux")
.build();
// Apply the replacer to a string
let result = replacer.replace("foo baz");
// Result: "bar qux"
```
#### File Operations
```rhai
// Create a replacer
let replacer = text_replacer_new()
.pattern("foo")
.replacement("bar")
.build();
// Replace in a file and get the result as a string
let result = replacer.replace_file("input.txt");
// Replace in a file and write back to the same file
replacer.replace_file_in_place("input.txt");
// Replace in a file and write to a new file
replacer.replace_file_to("input.txt", "output.txt");
```
## Template Rendering
The template rendering tools allow you to create and render templates with variables, using the powerful Tera template engine.
### Basic Usage
```rhai
// Create a template builder with a template file
let template = template_builder_open("template.txt")
.add_var("name", "John") // Add a string variable
.add_var("age", 30) // Add a numeric variable
.add_var("items", ["a", "b", "c"]); // Add an array variable
// Render the template
let result = template.render();
// Render to a file
template.render_to_file("output.txt");
```
### Template Variables
You can add variables of various types:
```rhai
let template = template_builder_open("template.txt")
.add_var("name", "John") // String
.add_var("age", 30) // Integer
.add_var("height", 1.85) // Float
.add_var("is_active", true) // Boolean
.add_var("items", ["a", "b", "c"]); // Array
```
### Using Map for Variables
```rhai
// Create a map of variables
let vars = #{
name: "Alice",
place: "Wonderland"
};
// Add all variables from the map
let template = template_builder_open("template.txt")
.add_vars(vars);
```
### Template Syntax
The template engine uses Tera, which supports:
- Variable interpolation: `{{ variable }}`
- Conditionals: `{% if condition %}...{% endif %}`
- Loops: `{% for item in items %}...{% endfor %}`
- Filters: `{{ variable | filter }}`
Example template:
```
Hello, {{ name }}!
{% if show_greeting %}
Welcome to {{ place }}.
{% endif %}
Your items:
{% for item in items %}
- {{ item }}{% if not loop.last %}{% endif %}
{% endfor %}
```
## String Normalization
The string normalization tools help convert strings to consistent formats for use as file names or paths.
### name_fix
Converts a string to a safe, normalized name by:
- Converting to lowercase
- Replacing spaces and special characters with underscores
- Removing non-alphanumeric characters
```rhai
let fixed_name = name_fix("Hello World!");
// Result: "hello_world"
let fixed_name = name_fix("File-Name.txt");
// Result: "file_name.txt"
```
### path_fix
Similar to name_fix, but preserves path separators:
```rhai
let fixed_path = path_fix("/path/to/Hello World!");
// Result: "/path/to/hello_world"
let fixed_path = path_fix("./relative/path/to/DOCUMENT-123.pdf");
// Result: "./relative/path/to/document_123.pdf"
```
## Text Formatting
Tools to help with text formatting and indentation.
### dedent
Removes common leading whitespace from multi-line strings:
```rhai
let indented_text = " line 1
line 2
line 3";
let dedented = dedent(indented_text);
// Result: "line 1
// line 2
// line 3"
```
### prefix
Adds a prefix to every line in a multi-line string:
```rhai
let text = "line 1
line 2
line 3";
let prefixed = prefix(text, " ");
// Result: " line 1
// line 2
// line 3"
```
## Examples
See the [text_tools.rhai](https://github.com/ourworld-tf/herocode/blob/main/sal/src/rhaiexamples/text_tools.rhai) example script for more detailed examples of using these text manipulation tools.

861
src/git/git.rs
View File

@ -1,6 +1,7 @@
use std::process::Command;
use std::path::Path;
use std::fs;
use std::env;
use regex::Regex;
use std::fmt;
use std::error::Error;
@ -10,7 +11,6 @@ use std::error::Error;
pub enum GitError {
GitNotInstalled(std::io::Error),
InvalidUrl(String),
InvalidBasePath(String),
HomeDirectoryNotFound(std::env::VarError),
FileSystemError(std::io::Error),
GitCommandFailed(String),
@ -28,7 +28,6 @@ impl fmt::Display for GitError {
match self {
GitError::GitNotInstalled(e) => write!(f, "Git is not installed: {}", e),
GitError::InvalidUrl(url) => write!(f, "Could not parse git URL: {}", url),
GitError::InvalidBasePath(path) => write!(f, "Invalid base path: {}", path),
GitError::HomeDirectoryNotFound(e) => write!(f, "Could not determine home directory: {}", e),
GitError::FileSystemError(e) => write!(f, "Error creating directory structure: {}", e),
GitError::GitCommandFailed(e) => write!(f, "{}", e),
@ -56,21 +55,98 @@ impl Error for GitError {
}
}
/// Parses a git URL to extract the server, account, and repository name.
///
/// # Arguments
///
/// * `url` - The URL of the git repository to parse. Can be in HTTPS format
/// (https://github.com/username/repo.git) or SSH format (git@github.com:username/repo.git).
///
/// # Returns
///
/// A tuple containing:
/// * `server` - The server name (e.g., "github.com")
/// * `account` - The account or organization name (e.g., "username")
/// * `repo` - The repository name (e.g., "repo")
///
/// If the URL cannot be parsed, all three values will be empty strings.
// Git utility functions
/**
* Clones a git repository to a standardized location in the user's home directory.
*
* # Arguments
*
* * `url` - The URL of the git repository to clone. Can be in HTTPS format
* (https://github.com/username/repo.git) or SSH format (git@github.com:username/repo.git).
*
* # Returns
*
* * `Ok(String)` - The path where the repository was cloned, formatted as
* ~/code/server/account/repo (e.g., ~/code/github.com/username/repo).
* * `Err(GitError)` - An error if the clone operation failed.
*
* # Examples
*
* ```
* let repo_path = git_clone("https://github.com/username/repo.git")?;
* println!("Repository cloned to: {}", repo_path);
* ```
*/
pub fn git_clone(url: &str) -> Result<String, GitError> {
// Check if git is installed
let _git_check = Command::new("git")
.arg("--version")
.output()
.map_err(GitError::GitNotInstalled)?;
// Parse the URL to determine the clone path
let (server, account, repo) = parse_git_url(url);
if server.is_empty() || account.is_empty() || repo.is_empty() {
return Err(GitError::InvalidUrl(url.to_string()));
}
// Create the target directory
let home_dir = env::var("HOME").map_err(GitError::HomeDirectoryNotFound)?;
let clone_path = format!("{}/code/{}/{}/{}", home_dir, server, account, repo);
let clone_dir = Path::new(&clone_path);
// Check if repo already exists
if clone_dir.exists() {
return Ok(format!("Repository already exists at {}", clone_path));
}
// Create parent directory
if let Some(parent) = clone_dir.parent() {
fs::create_dir_all(parent).map_err(GitError::FileSystemError)?;
}
// Clone the repository
let output = Command::new("git")
.args(&["clone", "--depth", "1", url, &clone_path])
.output()
.map_err(GitError::CommandExecutionError)?;
if output.status.success() {
Ok(clone_path)
} else {
let error = String::from_utf8_lossy(&output.stderr);
Err(GitError::GitCommandFailed(format!("Git clone error: {}", error)))
}
}
/**
* Parses a git URL to extract the server, account, and repository name.
*
* # Arguments
*
* * `url` - The URL of the git repository to parse. Can be in HTTPS format
* (https://github.com/username/repo.git) or SSH format (git@github.com:username/repo.git).
*
* # Returns
*
* A tuple containing:
* * `server` - The server name (e.g., "github.com")
* * `account` - The account or organization name (e.g., "username")
* * `repo` - The repository name (e.g., "repo")
*
* If the URL cannot be parsed, all three values will be empty strings.
*
* # Examples
*
* ```
* let (server, account, repo) = parse_git_url("https://github.com/username/repo.git");
* assert_eq!(server, "github.com");
* assert_eq!(account, "username");
* assert_eq!(repo, "repo");
* ```
*/
pub fn parse_git_url(url: &str) -> (String, String, String) {
// HTTP(S) URL format: https://github.com/username/repo.git
let https_re = Regex::new(r"https?://([^/]+)/([^/]+)/([^/\.]+)(?:\.git)?").unwrap();
@ -95,390 +171,427 @@ pub fn parse_git_url(url: &str) -> (String, String, String) {
(String::new(), String::new(), String::new())
}
/// Checks if git is installed on the system.
///
/// # Returns
///
/// * `Ok(())` - If git is installed
/// * `Err(GitError)` - If git is not installed
fn check_git_installed() -> Result<(), GitError> {
Command::new("git")
.arg("--version")
/**
* Lists all git repositories found in the user's ~/code directory.
*
* This function searches for directories containing a .git subdirectory,
* which indicates a git repository.
*
* # Returns
*
* * `Ok(Vec<String>)` - A vector of paths to git repositories
* * `Err(GitError)` - An error if the operation failed
*
* # Examples
*
* ```
* let repos = git_list()?;
* for repo in repos {
* println!("Found repository: {}", repo);
* }
* ```
*/
pub fn git_list() -> Result<Vec<String>, GitError> {
// Get home directory
let home_dir = env::var("HOME").map_err(GitError::HomeDirectoryNotFound)?;
let code_dir = format!("{}/code", home_dir);
let code_path = Path::new(&code_dir);
if !code_path.exists() || !code_path.is_dir() {
return Ok(Vec::new());
}
let mut repos = Vec::new();
// Find all directories with .git subdirectories
let output = Command::new("find")
.args(&[&code_dir, "-type", "d", "-name", ".git"])
.output()
.map_err(GitError::GitNotInstalled)?;
Ok(())
}
/// Represents a collection of git repositories under a base path.
#[derive(Clone)]
pub struct GitTree {
base_path: String,
}
impl GitTree {
/// Creates a new GitTree with the specified base path.
///
/// # Arguments
///
/// * `base_path` - The base path where all git repositories are located
///
/// # Returns
///
/// * `Ok(GitTree)` - A new GitTree instance
/// * `Err(GitError)` - If the base path is invalid or cannot be created
pub fn new(base_path: &str) -> Result<Self, GitError> {
// Check if git is installed
check_git_installed()?;
.map_err(GitError::CommandExecutionError)?;
// Validate the base path
let path = Path::new(base_path);
if !path.exists() {
fs::create_dir_all(path).map_err(|e| {
GitError::FileSystemError(e)
})?;
} else if !path.is_dir() {
return Err(GitError::InvalidBasePath(base_path.to_string()));
}
Ok(GitTree {
base_path: base_path.to_string(),
})
}
/// Lists all git repositories under the base path.
///
/// # Returns
///
/// * `Ok(Vec<String>)` - A vector of paths to git repositories
/// * `Err(GitError)` - If the operation failed
pub fn list(&self) -> Result<Vec<String>, GitError> {
let base_path = Path::new(&self.base_path);
if !base_path.exists() || !base_path.is_dir() {
return Ok(Vec::new());
}
let mut repos = Vec::new();
// Find all directories with .git subdirectories
let output = Command::new("find")
.args(&[&self.base_path, "-type", "d", "-name", ".git"])
.output()
.map_err(GitError::CommandExecutionError)?;
if output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout);
for line in stdout.lines() {
// Get the parent directory of .git which is the repo root
if let Some(parent) = Path::new(line).parent() {
if let Some(path_str) = parent.to_str() {
repos.push(path_str.to_string());
}
}
}
} else {
let error = String::from_utf8_lossy(&output.stderr);
return Err(GitError::GitCommandFailed(format!("Failed to find git repositories: {}", error)));
}
Ok(repos)
}
/// Finds repositories matching a pattern or partial path.
///
/// # Arguments
///
/// * `pattern` - The pattern to match against repository paths
/// - If the pattern ends with '*', all matching repositories are returned
/// - Otherwise, exactly one matching repository must be found
///
/// # Returns
///
/// * `Ok(Vec<String>)` - A vector of paths to matching repositories
/// * `Err(GitError)` - If no matching repositories are found,
/// or if multiple repositories match a non-wildcard pattern
pub fn find(&self, pattern: &str) -> Result<Vec<GitRepo>, GitError> {
let repo_names = self.list()?; // list() already ensures these are git repo names
if repo_names.is_empty() {
return Ok(Vec::new()); // If no repos listed, find results in an empty list
}
let mut matched_repos: Vec<GitRepo> = Vec::new();
if pattern == "*" {
for name in repo_names {
let full_path = format!("{}/{}", self.base_path, name);
matched_repos.push(GitRepo::new(full_path));
}
} else if pattern.ends_with('*') {
let prefix = &pattern[0..pattern.len()-1];
for name in repo_names {
if name.starts_with(prefix) {
let full_path = format!("{}/{}", self.base_path, name);
matched_repos.push(GitRepo::new(full_path));
}
}
} else {
// Exact match for the name
for name in repo_names {
if name == pattern {
let full_path = format!("{}/{}", self.base_path, name);
matched_repos.push(GitRepo::new(full_path));
// `find` returns all exact matches. If names aren't unique (unlikely from `list`),
// it could return more than one. For an exact name, typically one is expected.
if output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout);
for line in stdout.lines() {
// Get the parent directory of .git which is the repo root
if let Some(parent) = Path::new(line).parent() {
if let Some(path_str) = parent.to_str() {
repos.push(path_str.to_string());
}
}
}
Ok(matched_repos)
} else {
let error = String::from_utf8_lossy(&output.stderr);
return Err(GitError::GitCommandFailed(format!("Failed to find git repositories: {}", error)));
}
/// Gets one or more GitRepo objects based on a path pattern or URL.
///
/// # Arguments
///
/// * `path_or_url` - The path pattern to match against repository paths or a git URL
/// - If it's a URL, the repository will be cloned if it doesn't exist
/// - If it's a path pattern, it will find matching repositories
///
/// # Returns
///
/// * `Ok(Vec<GitRepo>)` - A vector of GitRepo objects
/// * `Err(GitError)` - If no matching repositories are found or the clone operation failed
pub fn get(&self, path_or_url: &str) -> Result<Vec<GitRepo>, GitError> {
// Check if it's a URL
if path_or_url.starts_with("http") || path_or_url.starts_with("git@") {
// Parse the URL
let (server, account, repo) = parse_git_url(path_or_url);
if server.is_empty() || account.is_empty() || repo.is_empty() {
return Err(GitError::InvalidUrl(path_or_url.to_string()));
}
// Create the target directory
let clone_path = format!("{}/{}/{}/{}", self.base_path, server, account, repo);
let clone_dir = Path::new(&clone_path);
// Check if repo already exists
if clone_dir.exists() {
return Ok(vec![GitRepo::new(clone_path)]);
}
// Create parent directory
if let Some(parent) = clone_dir.parent() {
fs::create_dir_all(parent).map_err(GitError::FileSystemError)?;
}
// Clone the repository
let output = Command::new("git")
.args(&["clone", "--depth", "1", path_or_url, &clone_path])
.output()
.map_err(GitError::CommandExecutionError)?;
if output.status.success() {
Ok(vec![GitRepo::new(clone_path)])
} else {
let error = String::from_utf8_lossy(&output.stderr);
Err(GitError::GitCommandFailed(format!("Git clone error: {}", error)))
}
} else {
// It's a path pattern, find matching repositories using the updated self.find()
// which now directly returns Result<Vec<GitRepo>, GitError>.
let repos = self.find(path_or_url)?;
Ok(repos)
}
}
Ok(repos)
}
/// Represents a git repository.
pub struct GitRepo {
path: String,
/**
* Checks if a git repository has uncommitted changes.
*
* # Arguments
*
* * `repo_path` - The path to the git repository
*
* # Returns
*
* * `Ok(bool)` - True if the repository has uncommitted changes, false otherwise
* * `Err(GitError)` - An error if the operation failed
*
* # Examples
*
* ```
* if has_git_changes("/path/to/repo")? {
* println!("Repository has uncommitted changes");
* } else {
* println!("Repository is clean");
* }
* ```
*/
pub fn has_git_changes(repo_path: &str) -> Result<bool, GitError> {
let output = Command::new("git")
.args(&["-C", repo_path, "status", "--porcelain"])
.output()
.map_err(GitError::CommandExecutionError)?;
Ok(!output.stdout.is_empty())
}
impl GitRepo {
/// Creates a new GitRepo with the specified path.
///
/// # Arguments
///
/// * `path` - The path to the git repository
pub fn new(path: String) -> Self {
GitRepo { path }
/**
* Finds repositories matching a pattern or partial path.
*
* # Arguments
*
* * `pattern` - The pattern to match against repository paths
* - If the pattern ends with '*', all matching repositories are returned
* - Otherwise, exactly one matching repository must be found
*
* # Returns
*
* * `Ok(Vec<String>)` - A vector of paths to matching repositories
* * `Err(GitError)` - An error if no matching repositories are found,
* or if multiple repositories match a non-wildcard pattern
*
* # Examples
*
* ```
* // Find all repositories containing "project"
* let repos = find_matching_repos("project*")?;
*
* // Find exactly one repository containing "unique-project"
* let repo = find_matching_repos("unique-project")?[0];
* ```
*/
pub fn find_matching_repos(pattern: &str) -> Result<Vec<String>, GitError> {
// Get all repos
let repos = git_list()?;
if repos.is_empty() {
return Err(GitError::NoRepositoriesFound);
}
/// Gets the path of the repository.
///
/// # Returns
///
/// * The path to the git repository
pub fn path(&self) -> &str {
&self.path
}
/// Checks if the repository has uncommitted changes.
///
/// # Returns
///
/// * `Ok(bool)` - True if the repository has uncommitted changes, false otherwise
/// * `Err(GitError)` - If the operation failed
pub fn has_changes(&self) -> Result<bool, GitError> {
let output = Command::new("git")
.args(&["-C", &self.path, "status", "--porcelain"])
.output()
.map_err(GitError::CommandExecutionError)?;
Ok(!output.stdout.is_empty())
}
/// Pulls the latest changes from the remote repository.
///
/// # Returns
///
/// * `Ok(Self)` - The GitRepo object for method chaining
/// * `Err(GitError)` - If the pull operation failed
pub fn pull(&self) -> Result<Self, GitError> {
// Check if repository exists and is a git repository
let git_dir = Path::new(&self.path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(self.path.clone()));
// Check if pattern ends with wildcard
if pattern.ends_with('*') {
let search_pattern = &pattern[0..pattern.len()-1]; // Remove the *
let matching: Vec<String> = repos.iter()
.filter(|repo| repo.contains(search_pattern))
.cloned()
.collect();
if matching.is_empty() {
return Err(GitError::RepositoryNotFound(pattern.to_string()));
}
// Check for local changes
if self.has_changes()? {
return Err(GitError::LocalChangesExist(self.path.clone()));
}
// Pull the latest changes
let output = Command::new("git")
.args(&["-C", &self.path, "pull"])
.output()
.map_err(GitError::CommandExecutionError)?;
if output.status.success() {
Ok(self.clone())
} else {
let error = String::from_utf8_lossy(&output.stderr);
Err(GitError::GitCommandFailed(format!("Git pull error: {}", error)))
}
}
/// Resets any local changes in the repository.
///
/// # Returns
///
/// * `Ok(Self)` - The GitRepo object for method chaining
/// * `Err(GitError)` - If the reset operation failed
pub fn reset(&self) -> Result<Self, GitError> {
// Check if repository exists and is a git repository
let git_dir = Path::new(&self.path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(self.path.clone()));
}
Ok(matching)
} else {
// No wildcard, need to find exactly one match
let matching: Vec<String> = repos.iter()
.filter(|repo| repo.contains(pattern))
.cloned()
.collect();
// Reset any local changes
let reset_output = Command::new("git")
.args(&["-C", &self.path, "reset", "--hard", "HEAD"])
.output()
.map_err(GitError::CommandExecutionError)?;
if !reset_output.status.success() {
let error = String::from_utf8_lossy(&reset_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git reset error: {}", error)));
match matching.len() {
0 => Err(GitError::RepositoryNotFound(pattern.to_string())),
1 => Ok(matching),
_ => Err(GitError::MultipleRepositoriesFound(pattern.to_string(), matching.len())),
}
}
}
// Clean untracked files
let clean_output = Command::new("git")
.args(&["-C", &self.path, "clean", "-fd"])
.output()
.map_err(GitError::CommandExecutionError)?;
if !clean_output.status.success() {
let error = String::from_utf8_lossy(&clean_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git clean error: {}", error)));
}
Ok(self.clone())
/**
* Updates a git repository by pulling the latest changes.
*
* This function will fail if there are uncommitted changes in the repository.
*
* # Arguments
*
* * `repo_path` - The path to the git repository, or a partial path that uniquely identifies a repository
*
* # Returns
*
* * `Ok(String)` - A success message indicating the repository was updated
* * `Err(GitError)` - An error if the update failed
*
* # Examples
*
* ```
* let result = git_update("my-project")?;
* println!("{}", result); // "Successfully updated repository at /home/user/code/github.com/user/my-project"
* ```
*/
pub fn git_update(repo_path: &str) -> Result<String, GitError> {
// If repo_path may be a partial path, find the matching repository
let repos = find_matching_repos(repo_path)?;
// Should only be one repository at this point
let actual_path = &repos[0];
// Check if repository exists and is a git repository
let git_dir = Path::new(actual_path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(actual_path.clone()));
}
/// Commits changes in the repository.
///
/// # Arguments
///
/// * `message` - The commit message
///
/// # Returns
///
/// * `Ok(Self)` - The GitRepo object for method chaining
/// * `Err(GitError)` - If the commit operation failed
pub fn commit(&self, message: &str) -> Result<Self, GitError> {
// Check if repository exists and is a git repository
let git_dir = Path::new(&self.path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(self.path.clone()));
}
// Check for local changes
if !self.has_changes()? {
return Ok(self.clone());
}
// Add all changes
let add_output = Command::new("git")
.args(&["-C", &self.path, "add", "."])
.output()
.map_err(GitError::CommandExecutionError)?;
if !add_output.status.success() {
let error = String::from_utf8_lossy(&add_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git add error: {}", error)));
}
// Commit the changes
let commit_output = Command::new("git")
.args(&["-C", &self.path, "commit", "-m", message])
.output()
.map_err(GitError::CommandExecutionError)?;
if !commit_output.status.success() {
let error = String::from_utf8_lossy(&commit_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git commit error: {}", error)));
}
Ok(self.clone())
// Check for local changes
if has_git_changes(actual_path)? {
return Err(GitError::LocalChangesExist(actual_path.clone()));
}
/// Pushes changes to the remote repository.
///
/// # Returns
///
/// * `Ok(Self)` - The GitRepo object for method chaining
/// * `Err(GitError)` - If the push operation failed
pub fn push(&self) -> Result<Self, GitError> {
// Check if repository exists and is a git repository
let git_dir = Path::new(&self.path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(self.path.clone()));
}
// Push the changes
let push_output = Command::new("git")
.args(&["-C", &self.path, "push"])
.output()
.map_err(GitError::CommandExecutionError)?;
// Pull the latest changes
let output = Command::new("git")
.args(&["-C", actual_path, "pull"])
.output()
.map_err(GitError::CommandExecutionError)?;
if push_output.status.success() {
Ok(self.clone())
if output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout);
if stdout.contains("Already up to date") {
Ok(format!("Repository already up to date at {}", actual_path))
} else {
let error = String::from_utf8_lossy(&push_output.stderr);
Err(GitError::GitCommandFailed(format!("Git push error: {}", error)))
Ok(format!("Successfully updated repository at {}", actual_path))
}
} else {
let error = String::from_utf8_lossy(&output.stderr);
Err(GitError::GitCommandFailed(format!("Git pull error: {}", error)))
}
}
// Implement Clone for GitRepo to allow for method chaining
impl Clone for GitRepo {
fn clone(&self) -> Self {
GitRepo {
path: self.path.clone(),
}
/**
* Force updates a git repository by discarding local changes and pulling the latest changes.
*
* This function will reset any uncommitted changes and clean untracked files before pulling.
*
* # Arguments
*
* * `repo_path` - The path to the git repository, or a partial path that uniquely identifies a repository
*
* # Returns
*
* * `Ok(String)` - A success message indicating the repository was force-updated
* * `Err(GitError)` - An error if the update failed
*
* # Examples
*
* ```
* let result = git_update_force("my-project")?;
* println!("{}", result); // "Successfully force-updated repository at /home/user/code/github.com/user/my-project"
* ```
*/
pub fn git_update_force(repo_path: &str) -> Result<String, GitError> {
// If repo_path may be a partial path, find the matching repository
let repos = find_matching_repos(repo_path)?;
// Should only be one repository at this point
let actual_path = &repos[0];
// Check if repository exists and is a git repository
let git_dir = Path::new(actual_path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(actual_path.clone()));
}
// Reset any local changes
let reset_output = Command::new("git")
.args(&["-C", actual_path, "reset", "--hard", "HEAD"])
.output()
.map_err(GitError::CommandExecutionError)?;
if !reset_output.status.success() {
let error = String::from_utf8_lossy(&reset_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git reset error: {}", error)));
}
// Clean untracked files
let clean_output = Command::new("git")
.args(&["-C", actual_path, "clean", "-fd"])
.output()
.map_err(GitError::CommandExecutionError)?;
if !clean_output.status.success() {
let error = String::from_utf8_lossy(&clean_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git clean error: {}", error)));
}
// Pull the latest changes
let pull_output = Command::new("git")
.args(&["-C", actual_path, "pull"])
.output()
.map_err(GitError::CommandExecutionError)?;
if pull_output.status.success() {
Ok(format!("Successfully force-updated repository at {}", actual_path))
} else {
let error = String::from_utf8_lossy(&pull_output.stderr);
Err(GitError::GitCommandFailed(format!("Git pull error: {}", error)))
}
}
/**
* Commits changes in a git repository and then updates it by pulling the latest changes.
*
* # Arguments
*
* * `repo_path` - The path to the git repository, or a partial path that uniquely identifies a repository
* * `message` - The commit message
*
* # Returns
*
* * `Ok(String)` - A success message indicating the repository was committed and updated
* * `Err(GitError)` - An error if the operation failed
*
* # Examples
*
* ```
* let result = git_update_commit("my-project", "Fix bug in login form")?;
* println!("{}", result); // "Successfully committed and updated repository at /home/user/code/github.com/user/my-project"
* ```
*/
pub fn git_update_commit(repo_path: &str, message: &str) -> Result<String, GitError> {
// If repo_path may be a partial path, find the matching repository
let repos = find_matching_repos(repo_path)?;
// Should only be one repository at this point
let actual_path = &repos[0];
// Check if repository exists and is a git repository
let git_dir = Path::new(actual_path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(actual_path.clone()));
}
// Check for local changes
if !has_git_changes(actual_path)? {
return Ok(format!("No changes to commit in repository at {}", actual_path));
}
// Add all changes
let add_output = Command::new("git")
.args(&["-C", actual_path, "add", "."])
.output()
.map_err(GitError::CommandExecutionError)?;
if !add_output.status.success() {
let error = String::from_utf8_lossy(&add_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git add error: {}", error)));
}
// Commit the changes
let commit_output = Command::new("git")
.args(&["-C", actual_path, "commit", "-m", message])
.output()
.map_err(GitError::CommandExecutionError)?;
if !commit_output.status.success() {
let error = String::from_utf8_lossy(&commit_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git commit error: {}", error)));
}
// Pull the latest changes
let pull_output = Command::new("git")
.args(&["-C", actual_path, "pull"])
.output()
.map_err(GitError::CommandExecutionError)?;
if pull_output.status.success() {
Ok(format!("Successfully committed and updated repository at {}", actual_path))
} else {
let error = String::from_utf8_lossy(&pull_output.stderr);
Err(GitError::GitCommandFailed(format!("Git pull error: {}", error)))
}
}
/**
* Commits changes in a git repository and pushes them to the remote.
*
* # Arguments
*
* * `repo_path` - The path to the git repository, or a partial path that uniquely identifies a repository
* * `message` - The commit message
*
* # Returns
*
* * `Ok(String)` - A success message indicating the repository was committed and pushed
* * `Err(GitError)` - An error if the operation failed
*
* # Examples
*
* ```
* let result = git_update_commit_push("my-project", "Add new feature")?;
* println!("{}", result); // "Successfully committed and pushed repository at /home/user/code/github.com/user/my-project"
* ```
*/
pub fn git_update_commit_push(repo_path: &str, message: &str) -> Result<String, GitError> {
// If repo_path may be a partial path, find the matching repository
let repos = find_matching_repos(repo_path)?;
// Should only be one repository at this point
let actual_path = &repos[0];
// Check if repository exists and is a git repository
let git_dir = Path::new(actual_path).join(".git");
if !git_dir.exists() || !git_dir.is_dir() {
return Err(GitError::NotAGitRepository(actual_path.clone()));
}
// Check for local changes
if !has_git_changes(actual_path)? {
return Ok(format!("No changes to commit in repository at {}", actual_path));
}
// Add all changes
let add_output = Command::new("git")
.args(&["-C", actual_path, "add", "."])
.output()
.map_err(GitError::CommandExecutionError)?;
if !add_output.status.success() {
let error = String::from_utf8_lossy(&add_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git add error: {}", error)));
}
// Commit the changes
let commit_output = Command::new("git")
.args(&["-C", actual_path, "commit", "-m", message])
.output()
.map_err(GitError::CommandExecutionError)?;
if !commit_output.status.success() {
let error = String::from_utf8_lossy(&commit_output.stderr);
return Err(GitError::GitCommandFailed(format!("Git commit error: {}", error)));
}
// Push the changes
let push_output = Command::new("git")
.args(&["-C", actual_path, "push"])
.output()
.map_err(GitError::CommandExecutionError)?;
if push_output.status.success() {
Ok(format!("Successfully committed and pushed repository at {}", actual_path))
} else {
let error = String::from_utf8_lossy(&push_output.stderr);
Err(GitError::GitCommandFailed(format!("Git push error: {}", error)))
}
}

3
src/git/git_executor.rs
View File

@ -6,6 +6,7 @@ use redis::Cmd;
use serde::{Deserialize, Serialize};
use crate::redisclient;
use crate::git::git::parse_git_url;
// Define a custom error type for GitExecutor operations
#[derive(Debug)]
@ -159,7 +160,7 @@ impl GitExecutor {
// Get authentication configuration for a git URL
fn get_auth_for_url(&self, url: &str) -> Option<&GitServerAuth> {
if let Some(config) = &self.config {
let (server, _, _) = crate::git::git::parse_git_url(url);
let (server, _, _) = parse_git_url(url);
if !server.is_empty() {
return config.auth.get(&server);
}

5
src/lib.rs
View File

@ -36,13 +36,10 @@ pub enum Error {
pub type Result<T> = std::result::Result<T, Error>;
// Re-export modules
pub mod cmd;
pub mod process;
pub mod git;
pub mod os;
pub mod postgresclient;
pub mod process;
pub mod redisclient;
pub mod rhai;
pub mod text;
pub mod virt;

409
src/os/download.rs
View File

@ -1,9 +1,9 @@
use std::error::Error;
use std::fmt;
use std::fs;
use std::io;
use std::path::Path;
use std::process::Command;
use std::path::Path;
use std::fs;
use std::fmt;
use std::error::Error;
use std::io;
// Define a custom error type for download operations
#[derive(Debug)]
@ -26,17 +26,11 @@ pub enum DownloadError {
impl fmt::Display for DownloadError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
DownloadError::CreateDirectoryFailed(e) => {
write!(f, "Error creating directories: {}", e)
}
DownloadError::CreateDirectoryFailed(e) => write!(f, "Error creating directories: {}", e),
DownloadError::CurlExecutionFailed(e) => write!(f, "Error executing curl: {}", e),
DownloadError::DownloadFailed(url) => write!(f, "Error downloading url: {}", url),
DownloadError::FileMetadataError(e) => write!(f, "Error getting file metadata: {}", e),
DownloadError::FileTooSmall(size, min) => write!(
f,
"Error: Downloaded file is too small ({}KB < {}KB)",
size, min
),
DownloadError::FileTooSmall(size, min) => write!(f, "Error: Downloaded file is too small ({}KB < {}KB)", size, min),
DownloadError::RemoveFileFailed(e) => write!(f, "Error removing file: {}", e),
DownloadError::ExtractionFailed(e) => write!(f, "Error extracting archive: {}", e),
DownloadError::CommandExecutionFailed(e) => write!(f, "Error executing command: {}", e),
@ -64,80 +58,54 @@ impl Error for DownloadError {
/**
* Download a file from URL to destination using the curl command.
* This function is primarily intended for downloading archives that will be extracted
* to a directory.
*
*
* # Arguments
*
*
* * `url` - The URL to download from
* * `dest` - The destination directory where the file will be saved or extracted
* * `dest` - The destination path where the file will be saved
* * `min_size_kb` - Minimum required file size in KB (0 for no minimum)
*
*
* # Returns
*
*
* * `Ok(String)` - The path where the file was saved or extracted
* * `Err(DownloadError)` - An error if the download failed
*
*
* # Examples
*
* ```no_run
* use sal::os::download;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* // Download a file with no minimum size requirement
* let path = download("https://example.com/file.txt", "/tmp/", 0)?;
*
* // Download a file with minimum size requirement of 100KB
* let path = download("https://example.com/file.zip", "/tmp/", 100)?;
*
* Ok(())
* }
*
* ```
*
* // Download a file with no minimum size requirement
* let path = download("https://example.com/file.txt", "/tmp/file.txt", 0)?;
*
* // Download a file with minimum size requirement of 100KB
* let path = download("https://example.com/file.zip", "/tmp/file.zip", 100)?;
* ```
*
* # Notes
*
*
* If the URL ends with .tar.gz, .tgz, .tar, or .zip, the file will be automatically
* extracted to the destination directory.
*/
pub fn download(url: &str, dest: &str, min_size_kb: i64) -> Result<String, DownloadError> {
// Create parent directories if they don't exist
let dest_path = Path::new(dest);
fs::create_dir_all(dest_path).map_err(DownloadError::CreateDirectoryFailed)?;
// Extract filename from URL
let filename = match url.split('/').last() {
Some(name) => name,
None => {
return Err(DownloadError::InvalidUrl(
"cannot extract filename".to_string(),
))
}
};
// Create a full path for the downloaded file
let file_path = format!("{}/{}", dest.trim_end_matches('/'), filename);
if let Some(parent) = dest_path.parent() {
fs::create_dir_all(parent).map_err(DownloadError::CreateDirectoryFailed)?;
}
// Create a temporary path for downloading
let temp_path = format!("{}.download", file_path);
let temp_path = format!("{}.download", dest);
// Use curl to download the file with progress bar
println!("Downloading {} to {}", url, file_path);
println!("Downloading {} to {}", url, dest);
let output = Command::new("curl")
.args(&[
"--progress-bar",
"--location",
"--fail",
"--output",
&temp_path,
url,
])
.args(&["--progress-bar", "--location", "--fail", "--output", &temp_path, url])
.status()
.map_err(DownloadError::CurlExecutionFailed)?;
if !output.success() {
return Err(DownloadError::DownloadFailed(url.to_string()));
}
// Show file size after download
match fs::metadata(&temp_path) {
Ok(metadata) => {
@ -145,20 +113,14 @@ pub fn download(url: &str, dest: &str, min_size_kb: i64) -> Result<String, Downl
let size_kb = size_bytes / 1024;
let size_mb = size_kb / 1024;
if size_mb > 1 {
println!(
"Download complete! File size: {:.2} MB",
size_bytes as f64 / (1024.0 * 1024.0)
);
println!("Download complete! File size: {:.2} MB", size_bytes as f64 / (1024.0 * 1024.0));
} else {
println!(
"Download complete! File size: {:.2} KB",
size_bytes as f64 / 1024.0
);
println!("Download complete! File size: {:.2} KB", size_bytes as f64 / 1024.0);
}
}
},
Err(_) => println!("Download complete!"),
}
// Check file size if minimum size is specified
if min_size_kb > 0 {
let metadata = fs::metadata(&temp_path).map_err(DownloadError::FileMetadataError)?;
@ -168,262 +130,86 @@ pub fn download(url: &str, dest: &str, min_size_kb: i64) -> Result<String, Downl
return Err(DownloadError::FileTooSmall(size_kb, min_size_kb));
}
}
// Check if it's a compressed file that needs extraction
let lower_url = url.to_lowercase();
let is_archive = lower_url.ends_with(".tar.gz")
|| lower_url.ends_with(".tgz")
|| lower_url.ends_with(".tar")
|| lower_url.ends_with(".zip");
let is_archive = lower_url.ends_with(".tar.gz") ||
lower_url.ends_with(".tgz") ||
lower_url.ends_with(".tar") ||
lower_url.ends_with(".zip");
if is_archive {
// Create the destination directory
fs::create_dir_all(dest).map_err(DownloadError::CreateDirectoryFailed)?;
// Extract the file using the appropriate command with progress indication
println!("Extracting {} to {}", temp_path, dest);
let output = if lower_url.ends_with(".zip") {
Command::new("unzip")
.args(&["-o", &temp_path, "-d", dest]) // Removed -q for verbosity
.args(&["-o", &temp_path, "-d", dest]) // Removed -q for verbosity
.status()
} else if lower_url.ends_with(".tar.gz") || lower_url.ends_with(".tgz") {
Command::new("tar")
.args(&["-xzvf", &temp_path, "-C", dest]) // Added v for verbosity
.args(&["-xzvf", &temp_path, "-C", dest]) // Added v for verbosity
.status()
} else {
Command::new("tar")
.args(&["-xvf", &temp_path, "-C", dest]) // Added v for verbosity
.args(&["-xvf", &temp_path, "-C", dest]) // Added v for verbosity
.status()
};
match output {
Ok(status) => {
if !status.success() {
return Err(DownloadError::ExtractionFailed(
"Error extracting archive".to_string(),
));
return Err(DownloadError::ExtractionFailed("Error extracting archive".to_string()));
}
}
},
Err(e) => return Err(DownloadError::CommandExecutionFailed(e)),
}
// Show number of extracted files
match fs::read_dir(dest) {
Ok(entries) => {
let count = entries.count();
println!("Extraction complete! Extracted {} files/directories", count);
}
},
Err(_) => println!("Extraction complete!"),
}
// Remove the temporary file
fs::remove_file(&temp_path).map_err(DownloadError::RemoveFileFailed)?;
Ok(dest.to_string())
} else {
// Just rename the temporary file to the final destination
fs::rename(&temp_path, &file_path).map_err(|e| DownloadError::CreateDirectoryFailed(e))?;
Ok(file_path)
fs::rename(&temp_path, dest).map_err(|e| DownloadError::CreateDirectoryFailed(e))?;
Ok(dest.to_string())
}
}
/**
* Download a file from URL to a specific file destination using the curl command.
*
* # Arguments
*
* * `url` - The URL to download from
* * `dest` - The destination file path where the file will be saved
* * `min_size_kb` - Minimum required file size in KB (0 for no minimum)
*
* # Returns
*
* * `Ok(String)` - The path where the file was saved
* * `Err(DownloadError)` - An error if the download failed
*
* # Examples
*
* ```no_run
* use sal::os::download_file;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* // Download a file with no minimum size requirement
* let path = download_file("https://example.com/file.txt", "/tmp/file.txt", 0)?;
*
* // Download a file with minimum size requirement of 100KB
* let path = download_file("https://example.com/file.zip", "/tmp/file.zip", 100)?;
*
* Ok(())
* }
* ```
*/
pub fn download_file(url: &str, dest: &str, min_size_kb: i64) -> Result<String, DownloadError> {
// Create parent directories if they don't exist
let dest_path = Path::new(dest);
if let Some(parent) = dest_path.parent() {
fs::create_dir_all(parent).map_err(DownloadError::CreateDirectoryFailed)?;
}
// Create a temporary path for downloading
let temp_path = format!("{}.download", dest);
// Use curl to download the file with progress bar
println!("Downloading {} to {}", url, dest);
let output = Command::new("curl")
.args(&[
"--progress-bar",
"--location",
"--fail",
"--output",
&temp_path,
url,
])
.status()
.map_err(DownloadError::CurlExecutionFailed)?;
if !output.success() {
return Err(DownloadError::DownloadFailed(url.to_string()));
}
// Show file size after download
match fs::metadata(&temp_path) {
Ok(metadata) => {
let size_bytes = metadata.len();
let size_kb = size_bytes / 1024;
let size_mb = size_kb / 1024;
if size_mb > 1 {
println!(
"Download complete! File size: {:.2} MB",
size_bytes as f64 / (1024.0 * 1024.0)
);
} else {
println!(
"Download complete! File size: {:.2} KB",
size_bytes as f64 / 1024.0
);
}
}
Err(_) => println!("Download complete!"),
}
// Check file size if minimum size is specified
if min_size_kb > 0 {
let metadata = fs::metadata(&temp_path).map_err(DownloadError::FileMetadataError)?;
let size_kb = metadata.len() as i64 / 1024;
if size_kb < min_size_kb {
fs::remove_file(&temp_path).map_err(DownloadError::RemoveFileFailed)?;
return Err(DownloadError::FileTooSmall(size_kb, min_size_kb));
}
}
// Rename the temporary file to the final destination
fs::rename(&temp_path, dest).map_err(|e| DownloadError::CreateDirectoryFailed(e))?;
Ok(dest.to_string())
}
/**
* Make a file executable (equivalent to chmod +x).
*
* # Arguments
*
* * `path` - The path to the file to make executable
*
* # Returns
*
* * `Ok(String)` - A success message including the path
* * `Err(DownloadError)` - An error if the operation failed
*
* # Examples
*
* ```no_run
* use sal::os::chmod_exec;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* // Make a file executable
* chmod_exec("/path/to/file")?;
* Ok(())
* }
* ```
*/
pub fn chmod_exec(path: &str) -> Result<String, DownloadError> {
let path_obj = Path::new(path);
// Check if the path exists and is a file
if !path_obj.exists() {
return Err(DownloadError::NotAFile(format!(
"Path does not exist: {}",
path
)));
}
if !path_obj.is_file() {
return Err(DownloadError::NotAFile(format!(
"Path is not a file: {}",
path
)));
}
// Get current permissions
let metadata = fs::metadata(path).map_err(DownloadError::FileMetadataError)?;
let mut permissions = metadata.permissions();
// Set executable bit for user, group, and others
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
let mode = permissions.mode();
// Add executable bit for user, group, and others (equivalent to +x)
let new_mode = mode | 0o111;
permissions.set_mode(new_mode);
}
#[cfg(not(unix))]
{
// On non-Unix platforms, we can't set executable bit directly
// Just return success with a warning
return Ok(format!(
"Made {} executable (note: non-Unix platform, may not be fully supported)",
path
));
}
// Apply the new permissions
fs::set_permissions(path, permissions).map_err(|e| {
DownloadError::CommandExecutionFailed(io::Error::new(
io::ErrorKind::Other,
format!("Failed to set executable permissions: {}", e),
))
})?;
Ok(format!("Made {} executable", path))
}
/**
* Download a file and install it if it's a supported package format.
*
*
* # Arguments
*
*
* * `url` - The URL to download from
* * `min_size_kb` - Minimum required file size in KB (0 for no minimum)
*
*
* # Returns
*
*
* * `Ok(String)` - The path where the file was saved or extracted
* * `Err(DownloadError)` - An error if the download or installation failed
*
*
* # Examples
*
* ```no_run
* use sal::os::download_install;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* // Download and install a .deb package
* let result = download_install("https://example.com/package.deb", 100)?;
* Ok(())
* }
*
* ```
*
* // Download and install a .deb package
* let result = download_install("https://example.com/package.deb", 100)?;
* ```
*
* # Notes
*
*
* Currently only supports .deb packages on Debian-based systems.
* For other file types, it behaves the same as the download function.
*/
@ -431,37 +217,20 @@ pub fn download_install(url: &str, min_size_kb: i64) -> Result<String, DownloadE
// Extract filename from URL
let filename = match url.split('/').last() {
Some(name) => name,
None => {
return Err(DownloadError::InvalidUrl(
"cannot extract filename".to_string(),
))
}
None => return Err(DownloadError::InvalidUrl("cannot extract filename".to_string()))
};
// Create a proper destination path
let dest_path = format!("/tmp/{}", filename);
// Check if it's a compressed file that needs extraction
let lower_url = url.to_lowercase();
let is_archive = lower_url.ends_with(".tar.gz")
|| lower_url.ends_with(".tgz")
|| lower_url.ends_with(".tar")
|| lower_url.ends_with(".zip");
let download_result = if is_archive {
// For archives, use the directory-based download function
download(url, "/tmp", min_size_kb)?
} else {
// For regular files, use the file-specific download function
download_file(url, &dest_path, min_size_kb)?
};
let download_result = download(url, &dest_path, min_size_kb)?;
// Check if the downloaded result is a file
let path = Path::new(&dest_path);
if !path.is_file() {
if !path.is_file() {
return Ok(download_result); // Not a file, might be an extracted directory
}
// Check if it's a .deb package
if dest_path.to_lowercase().ends_with(".deb") {
// Check if we're on a Debian-based platform
@ -469,28 +238,26 @@ pub fn download_install(url: &str, min_size_kb: i64) -> Result<String, DownloadE
.arg("-c")
.arg("command -v dpkg > /dev/null && command -v apt > /dev/null || test -f /etc/debian_version")
.status();
match platform_check {
Ok(status) => {
if !status.success() {
return Err(DownloadError::PlatformNotSupported(
"Cannot install .deb package: not on a Debian-based system".to_string(),
"Cannot install .deb package: not on a Debian-based system".to_string()
));
}
}
Err(_) => {
return Err(DownloadError::PlatformNotSupported(
"Failed to check system compatibility for .deb installation".to_string(),
))
}
},
Err(_) => return Err(DownloadError::PlatformNotSupported(
"Failed to check system compatibility for .deb installation".to_string()
)),
}
// Install the .deb package non-interactively
println!("Installing package: {}", dest_path);
let install_result = Command::new("sudo")
.args(&["dpkg", "--install", &dest_path])
.status();
match install_result {
Ok(status) => {
if !status.success() {
@ -499,24 +266,24 @@ pub fn download_install(url: &str, min_size_kb: i64) -> Result<String, DownloadE
let fix_deps = Command::new("sudo")
.args(&["apt-get", "install", "-f", "-y"])
.status();
if let Ok(fix_status) = fix_deps {
if !fix_status.success() {
return Err(DownloadError::InstallationFailed(
"Failed to resolve package dependencies".to_string(),
"Failed to resolve package dependencies".to_string()
));
}
} else {
return Err(DownloadError::InstallationFailed(
"Failed to resolve package dependencies".to_string(),
"Failed to resolve package dependencies".to_string()
));
}
}
println!("Package installation completed successfully");
}
},
Err(e) => return Err(DownloadError::CommandExecutionFailed(e)),
}
}
Ok(download_result)
}

860
src/os/fs.rs
View File

File diff suppressed because it is too large Load Diff

4
src/os/mod.rs
View File

@ -1,7 +1,5 @@
mod fs;
mod download;
pub mod package;
pub use fs::*;
pub use download::*;
pub use package::*;
pub use download::*;

964
src/os/package.rs
View File

@ -1,964 +0,0 @@
use crate::process::CommandResult;
use std::process::Command;
/// Error type for package management operations
#[derive(Debug)]
pub enum PackageError {
/// Command failed with error message
CommandFailed(String),
/// Command execution failed with IO error
CommandExecutionFailed(std::io::Error),
/// Unsupported platform
UnsupportedPlatform(String),
/// Other error
Other(String),
}
impl std::fmt::Display for PackageError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
PackageError::CommandFailed(msg) => write!(f, "Command failed: {}", msg),
PackageError::CommandExecutionFailed(e) => write!(f, "Command execution failed: {}", e),
PackageError::UnsupportedPlatform(msg) => write!(f, "Unsupported platform: {}", msg),
PackageError::Other(msg) => write!(f, "Error: {}", msg),
}
}
}
impl std::error::Error for PackageError {}
/// Platform enum for detecting the current operating system
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum Platform {
/// Ubuntu Linux
Ubuntu,
/// macOS
MacOS,
/// Unknown platform
Unknown,
}
impl Platform {
/// Detect the current platform
pub fn detect() -> Self {
// Check for macOS
if std::path::Path::new("/usr/bin/sw_vers").exists() {
return Platform::MacOS;
}
// Check for Ubuntu
if std::path::Path::new("/etc/lsb-release").exists() {
// Read the file to confirm it's Ubuntu
if let Ok(content) = std::fs::read_to_string("/etc/lsb-release") {
if content.contains("Ubuntu") {
return Platform::Ubuntu;
}
}
}
Platform::Unknown
}
}
// Thread-local storage for debug flag
thread_local! {
static DEBUG: std::cell::RefCell<bool> = std::cell::RefCell::new(false);
}
/// Set the debug flag for the current thread
pub fn set_thread_local_debug(debug: bool) {
DEBUG.with(|cell| {
*cell.borrow_mut() = debug;
});
}
/// Get the debug flag for the current thread
pub fn thread_local_debug() -> bool {
DEBUG.with(|cell| *cell.borrow())
}
/// Execute a package management command and return the result
pub fn execute_package_command(args: &[&str], debug: bool) -> Result<CommandResult, PackageError> {
// Save the current debug flag
let previous_debug = thread_local_debug();
// Set the thread-local debug flag
set_thread_local_debug(debug);
if debug {
println!("Executing command: {}", args.join(" "));
}
let output = Command::new(args[0]).args(&args[1..]).output();
// Restore the previous debug flag
set_thread_local_debug(previous_debug);
match output {
Ok(output) => {
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
let stderr = String::from_utf8_lossy(&output.stderr).to_string();
let result = CommandResult {
stdout,
stderr,
success: output.status.success(),
code: output.status.code().unwrap_or(-1),
};
// Always output stdout/stderr when debug is true
if debug {
if !result.stdout.is_empty() {
println!("Command stdout: {}", result.stdout);
}
if !result.stderr.is_empty() {
println!("Command stderr: {}", result.stderr);
}
if result.success {
println!("Command succeeded with code {}", result.code);
} else {
println!("Command failed with code {}", result.code);
}
}
if result.success {
Ok(result)
} else {
// If command failed and debug is false, output stderr
if !debug {
println!(
"Command failed with code {}: {}",
result.code,
result.stderr.trim()
);
}
Err(PackageError::CommandFailed(format!(
"Command failed with code {}: {}",
result.code,
result.stderr.trim()
)))
}
}
Err(e) => {
// Always output error information
println!("Command execution failed: {}", e);
Err(PackageError::CommandExecutionFailed(e))
}
}
}
/// Trait for package managers
pub trait PackageManager {
/// Install a package
fn install(&self, package: &str) -> Result<CommandResult, PackageError>;
/// Remove a package
fn remove(&self, package: &str) -> Result<CommandResult, PackageError>;
/// Update package lists
fn update(&self) -> Result<CommandResult, PackageError>;
/// Upgrade installed packages
fn upgrade(&self) -> Result<CommandResult, PackageError>;
/// List installed packages
fn list_installed(&self) -> Result<Vec<String>, PackageError>;
/// Search for packages
fn search(&self, query: &str) -> Result<Vec<String>, PackageError>;
/// Check if a package is installed
fn is_installed(&self, package: &str) -> Result<bool, PackageError>;
}
/// APT package manager for Ubuntu
pub struct AptPackageManager {
debug: bool,
}
impl AptPackageManager {
/// Create a new APT package manager
pub fn new(debug: bool) -> Self {
Self { debug }
}
}
impl PackageManager for AptPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(
&["apt-get", "install", "-y", "--quiet", package],
self.debug,
)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "remove", "-y", "--quiet", package], self.debug)
}
fn update(&self) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "update", "-y", "--quiet"], self.debug)
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "upgrade", "-y", "--quiet"], self.debug)
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["dpkg", "--get-selections"], self.debug)?;
let packages = result
.stdout
.lines()
.filter_map(|line| {
let parts: Vec<&str> = line.split_whitespace().collect();
if parts.len() >= 2 && parts[1] == "install" {
Some(parts[0].to_string())
} else {
None
}
})
.collect();
Ok(packages)
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["apt-cache", "search", query], self.debug)?;
let packages = result
.stdout
.lines()
.map(|line| {
let parts: Vec<&str> = line.split_whitespace().collect();
if !parts.is_empty() {
parts[0].to_string()
} else {
String::new()
}
})
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let result = execute_package_command(&["dpkg", "-s", package], self.debug);
match result {
Ok(cmd_result) => Ok(cmd_result.success),
Err(_) => Ok(false),
}
}
}
/// Homebrew package manager for macOS
pub struct BrewPackageManager {
debug: bool,
}
impl BrewPackageManager {
/// Create a new Homebrew package manager
pub fn new(debug: bool) -> Self {
Self { debug }
}
}
impl PackageManager for BrewPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "install", "--quiet", package], self.debug)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "uninstall", "--quiet", package], self.debug)
}
fn update(&self) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "update", "--quiet"], self.debug)
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "upgrade", "--quiet"], self.debug)
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["brew", "list", "--formula"], self.debug)?;
let packages = result
.stdout
.lines()
.map(|line| line.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["brew", "search", query], self.debug)?;
let packages = result
.stdout
.lines()
.map(|line| line.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let result = execute_package_command(&["brew", "list", package], self.debug);
match result {
Ok(cmd_result) => Ok(cmd_result.success),
Err(_) => Ok(false),
}
}
}
/// PackHero factory for package management
pub struct PackHero {
platform: Platform,
debug: bool,
}
impl PackHero {
/// Create a new PackHero instance
pub fn new() -> Self {
let platform = Platform::detect();
Self {
platform,
debug: false,
}
}
/// Set the debug mode
pub fn set_debug(&mut self, debug: bool) -> &mut Self {
self.debug = debug;
self
}
/// Get the debug mode
pub fn debug(&self) -> bool {
self.debug
}
/// Get the detected platform
pub fn platform(&self) -> Platform {
self.platform
}
/// Get a package manager for the current platform
fn get_package_manager(&self) -> Result<Box<dyn PackageManager>, PackageError> {
match self.platform {
Platform::Ubuntu => Ok(Box::new(AptPackageManager::new(self.debug))),
Platform::MacOS => Ok(Box::new(BrewPackageManager::new(self.debug))),
Platform::Unknown => Err(PackageError::UnsupportedPlatform(
"Unsupported platform".to_string(),
)),
}
}
/// Install a package
pub fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.install(package)
}
/// Remove a package
pub fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.remove(package)
}
/// Update package lists
pub fn update(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.update()
}
/// Upgrade installed packages
pub fn upgrade(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.upgrade()
}
/// List installed packages
pub fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.list_installed()
}
/// Search for packages
pub fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.search(query)
}
/// Check if a package is installed
pub fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let pm = self.get_package_manager()?;
pm.is_installed(package)
}
}
#[cfg(test)]
mod tests {
// Import the std::process::Command directly for some test-specific commands
use super::*;
use std::process::Command as StdCommand;
use std::sync::{Arc, Mutex};
#[test]
fn test_platform_detection() {
// This test will return different results depending on the platform it's run on
let platform = Platform::detect();
println!("Detected platform: {:?}", platform);
// Just ensure it doesn't panic
assert!(true);
}
#[test]
fn test_debug_flag() {
// Test setting and getting the debug flag
set_thread_local_debug(true);
assert_eq!(thread_local_debug(), true);
set_thread_local_debug(false);
assert_eq!(thread_local_debug(), false);
}
#[test]
fn test_package_error_display() {
// Test the Display implementation for PackageError
let err1 = PackageError::CommandFailed("command failed".to_string());
assert_eq!(err1.to_string(), "Command failed: command failed");
let err2 = PackageError::UnsupportedPlatform("test platform".to_string());
assert_eq!(err2.to_string(), "Unsupported platform: test platform");
let err3 = PackageError::Other("other error".to_string());
assert_eq!(err3.to_string(), "Error: other error");
// We can't easily test CommandExecutionFailed because std::io::Error doesn't implement PartialEq
}
// Mock package manager for testing
struct MockPackageManager {
// debug field is kept for consistency with real package managers
#[allow(dead_code)]
debug: bool,
install_called: Arc<Mutex<bool>>,
remove_called: Arc<Mutex<bool>>,
update_called: Arc<Mutex<bool>>,
upgrade_called: Arc<Mutex<bool>>,
list_installed_called: Arc<Mutex<bool>>,
search_called: Arc<Mutex<bool>>,
is_installed_called: Arc<Mutex<bool>>,
// Control what the mock returns
should_succeed: bool,
}
impl MockPackageManager {
fn new(debug: bool, should_succeed: bool) -> Self {
Self {
debug,
install_called: Arc::new(Mutex::new(false)),
remove_called: Arc::new(Mutex::new(false)),
update_called: Arc::new(Mutex::new(false)),
upgrade_called: Arc::new(Mutex::new(false)),
list_installed_called: Arc::new(Mutex::new(false)),
search_called: Arc::new(Mutex::new(false)),
is_installed_called: Arc::new(Mutex::new(false)),
should_succeed,
}
}
}
impl PackageManager for MockPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
*self.install_called.lock().unwrap() = true;
if self.should_succeed {
Ok(CommandResult {
stdout: format!("Installed package {}", package),
stderr: String::new(),
success: true,
code: 0,
})
} else {
Err(PackageError::CommandFailed(
"Mock install failed".to_string(),
))
}
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
*self.remove_called.lock().unwrap() = true;
if self.should_succeed {
Ok(CommandResult {
stdout: format!("Removed package {}", package),
stderr: String::new(),
success: true,
code: 0,
})
} else {
Err(PackageError::CommandFailed(
"Mock remove failed".to_string(),
))
}
}
fn update(&self) -> Result<CommandResult, PackageError> {
*self.update_called.lock().unwrap() = true;
if self.should_succeed {
Ok(CommandResult {
stdout: "Updated package lists".to_string(),
stderr: String::new(),
success: true,
code: 0,
})
} else {
Err(PackageError::CommandFailed(
"Mock update failed".to_string(),
))
}
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
*self.upgrade_called.lock().unwrap() = true;
if self.should_succeed {
Ok(CommandResult {
stdout: "Upgraded packages".to_string(),
stderr: String::new(),
success: true,
code: 0,
})
} else {
Err(PackageError::CommandFailed(
"Mock upgrade failed".to_string(),
))
}
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
*self.list_installed_called.lock().unwrap() = true;
if self.should_succeed {
Ok(vec!["package1".to_string(), "package2".to_string()])
} else {
Err(PackageError::CommandFailed(
"Mock list_installed failed".to_string(),
))
}
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
*self.search_called.lock().unwrap() = true;
if self.should_succeed {
Ok(vec![
format!("result1-{}", query),
format!("result2-{}", query),
])
} else {
Err(PackageError::CommandFailed(
"Mock search failed".to_string(),
))
}
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
*self.is_installed_called.lock().unwrap() = true;
if self.should_succeed {
Ok(package == "installed-package")
} else {
Err(PackageError::CommandFailed(
"Mock is_installed failed".to_string(),
))
}
}
}
// Custom PackHero for testing with a mock package manager
struct TestPackHero {
platform: Platform,
#[allow(dead_code)]
debug: bool,
mock_manager: MockPackageManager,
}
impl TestPackHero {
fn new(platform: Platform, debug: bool, should_succeed: bool) -> Self {
Self {
platform,
debug,
mock_manager: MockPackageManager::new(debug, should_succeed),
}
}
fn get_package_manager(&self) -> Result<&dyn PackageManager, PackageError> {
match self.platform {
Platform::Ubuntu | Platform::MacOS => Ok(&self.mock_manager),
Platform::Unknown => Err(PackageError::UnsupportedPlatform(
"Unsupported platform".to_string(),
)),
}
}
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.install(package)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.remove(package)
}
fn update(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.update()
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.upgrade()
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.list_installed()
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.search(query)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let pm = self.get_package_manager()?;
pm.is_installed(package)
}
}
#[test]
fn test_packhero_with_mock_success() {
// Test PackHero with a mock package manager that succeeds
let hero = TestPackHero::new(Platform::Ubuntu, false, true);
// Test install
let result = hero.install("test-package");
assert!(result.is_ok());
assert!(*hero.mock_manager.install_called.lock().unwrap());
// Test remove
let result = hero.remove("test-package");
assert!(result.is_ok());
assert!(*hero.mock_manager.remove_called.lock().unwrap());
// Test update
let result = hero.update();
assert!(result.is_ok());
assert!(*hero.mock_manager.update_called.lock().unwrap());
// Test upgrade
let result = hero.upgrade();
assert!(result.is_ok());
assert!(*hero.mock_manager.upgrade_called.lock().unwrap());
// Test list_installed
let result = hero.list_installed();
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
vec!["package1".to_string(), "package2".to_string()]
);
assert!(*hero.mock_manager.list_installed_called.lock().unwrap());
// Test search
let result = hero.search("query");
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
vec!["result1-query".to_string(), "result2-query".to_string()]
);
assert!(*hero.mock_manager.search_called.lock().unwrap());
// Test is_installed
let result = hero.is_installed("installed-package");
assert!(result.is_ok());
assert!(result.unwrap());
assert!(*hero.mock_manager.is_installed_called.lock().unwrap());
let result = hero.is_installed("not-installed-package");
assert!(result.is_ok());
assert!(!result.unwrap());
}
#[test]
fn test_packhero_with_mock_failure() {
// Test PackHero with a mock package manager that fails
let hero = TestPackHero::new(Platform::Ubuntu, false, false);
// Test install
let result = hero.install("test-package");
assert!(result.is_err());
assert!(*hero.mock_manager.install_called.lock().unwrap());
// Test remove
let result = hero.remove("test-package");
assert!(result.is_err());
assert!(*hero.mock_manager.remove_called.lock().unwrap());
// Test update
let result = hero.update();
assert!(result.is_err());
assert!(*hero.mock_manager.update_called.lock().unwrap());
// Test upgrade
let result = hero.upgrade();
assert!(result.is_err());
assert!(*hero.mock_manager.upgrade_called.lock().unwrap());
// Test list_installed
let result = hero.list_installed();
assert!(result.is_err());
assert!(*hero.mock_manager.list_installed_called.lock().unwrap());
// Test search
let result = hero.search("query");
assert!(result.is_err());
assert!(*hero.mock_manager.search_called.lock().unwrap());
// Test is_installed
let result = hero.is_installed("installed-package");
assert!(result.is_err());
assert!(*hero.mock_manager.is_installed_called.lock().unwrap());
}
#[test]
fn test_packhero_unsupported_platform() {
// Test PackHero with an unsupported platform
let hero = TestPackHero::new(Platform::Unknown, false, true);
// All operations should fail with UnsupportedPlatform error
let result = hero.install("test-package");
assert!(result.is_err());
match result {
Err(PackageError::UnsupportedPlatform(_)) => (),
_ => panic!("Expected UnsupportedPlatform error"),
}
let result = hero.remove("test-package");
assert!(result.is_err());
match result {
Err(PackageError::UnsupportedPlatform(_)) => (),
_ => panic!("Expected UnsupportedPlatform error"),
}
let result = hero.update();
assert!(result.is_err());
match result {
Err(PackageError::UnsupportedPlatform(_)) => (),
_ => panic!("Expected UnsupportedPlatform error"),
}
}
// Real-world tests that actually install and remove packages on Ubuntu
// These tests will only run on Ubuntu and will be skipped on other platforms
#[test]
fn test_real_package_operations_on_ubuntu() {
// Check if we're on Ubuntu
let platform = Platform::detect();
if platform != Platform::Ubuntu {
println!(
"Skipping real package operations test on non-Ubuntu platform: {:?}",
platform
);
return;
}
println!("Running real package operations test on Ubuntu");
// Create a PackHero instance with debug enabled
let mut hero = PackHero::new();
hero.set_debug(true);
// Test package to install/remove
let test_package = "wget";
// First, check if the package is already installed
let is_installed_before = match hero.is_installed(test_package) {
Ok(result) => result,
Err(e) => {
println!("Error checking if package is installed: {}", e);
return;
}
};
println!(
"Package {} is installed before test: {}",
test_package, is_installed_before
);
// If the package is already installed, we'll remove it first
if is_installed_before {
println!("Removing existing package {} before test", test_package);
match hero.remove(test_package) {
Ok(_) => println!("Successfully removed package {}", test_package),
Err(e) => {
println!("Error removing package {}: {}", test_package, e);
return;
}
}
// Verify it was removed
match hero.is_installed(test_package) {
Ok(is_installed) => {
if is_installed {
println!("Failed to remove package {}", test_package);
return;
} else {
println!("Verified package {} was removed", test_package);
}
}
Err(e) => {
println!(
"Error checking if package is installed after removal: {}",
e
);
return;
}
}
}
// Now install the package
println!("Installing package {}", test_package);
match hero.install(test_package) {
Ok(_) => println!("Successfully installed package {}", test_package),
Err(e) => {
println!("Error installing package {}: {}", test_package, e);
return;
}
}
// Verify it was installed
match hero.is_installed(test_package) {
Ok(is_installed) => {
if !is_installed {
println!("Failed to install package {}", test_package);
return;
} else {
println!("Verified package {} was installed", test_package);
}
}
Err(e) => {
println!(
"Error checking if package is installed after installation: {}",
e
);
return;
}
}
// Test the search functionality
println!("Searching for packages with 'wget'");
match hero.search("wget") {
Ok(results) => {
println!("Search results: {:?}", results);
assert!(
results.iter().any(|r| r.contains("wget")),
"Search results should contain wget"
);
}
Err(e) => {
println!("Error searching for packages: {}", e);
return;
}
}
// Test listing installed packages
println!("Listing installed packages");
match hero.list_installed() {
Ok(packages) => {
println!("Found {} installed packages", packages.len());
// Check if our test package is in the list
assert!(
packages.iter().any(|p| p == test_package),
"Installed packages list should contain {}",
test_package
);
}
Err(e) => {
println!("Error listing installed packages: {}", e);
return;
}
}
// Now remove the package if it wasn't installed before
if !is_installed_before {
println!("Removing package {} after test", test_package);
match hero.remove(test_package) {
Ok(_) => println!("Successfully removed package {}", test_package),
Err(e) => {
println!("Error removing package {}: {}", test_package, e);
return;
}
}
// Verify it was removed
match hero.is_installed(test_package) {
Ok(is_installed) => {
if is_installed {
println!("Failed to remove package {}", test_package);
return;
} else {
println!("Verified package {} was removed", test_package);
}
}
Err(e) => {
println!(
"Error checking if package is installed after removal: {}",
e
);
return;
}
}
}
// Test update functionality
println!("Testing package list update");
match hero.update() {
Ok(_) => println!("Successfully updated package lists"),
Err(e) => {
println!("Error updating package lists: {}", e);
return;
}
}
println!("All real package operations tests passed on Ubuntu");
}
// Test to check if apt-get is available on the system
#[test]
fn test_apt_get_availability() {
// This test checks if apt-get is available on the system
let output = StdCommand::new("which")
.arg("apt-get")
.output()
.expect("Failed to execute which apt-get");
let success = output.status.success();
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
println!("apt-get available: {}", success);
if success {
println!("apt-get path: {}", stdout.trim());
}
// On Ubuntu, this should pass
if Platform::detect() == Platform::Ubuntu {
assert!(success, "apt-get should be available on Ubuntu");
}
}
}

245
src/postgresclient/README.md
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@ -1,245 +0,0 @@
# PostgreSQL Client Module
The PostgreSQL client module provides a simple and efficient way to interact with PostgreSQL databases in Rust. It offers connection management, query execution, and a builder pattern for flexible configuration.
## Features
- **Connection Management**: Automatic connection handling and reconnection
- **Query Execution**: Simple API for executing queries and fetching results
- **Builder Pattern**: Flexible configuration with authentication support
- **Environment Variable Support**: Easy configuration through environment variables
- **Thread Safety**: Safe to use in multi-threaded applications
## Usage
### Basic Usage
```rust
use sal::postgresclient::{execute, query, query_one};
// Execute a query
let create_table_query = "CREATE TABLE IF NOT EXISTS users (id SERIAL PRIMARY KEY, name TEXT)";
execute(create_table_query, &[]).expect("Failed to create table");
// Insert data
let insert_query = "INSERT INTO users (name) VALUES ($1) RETURNING id";
let rows = query(insert_query, &[&"John Doe"]).expect("Failed to insert data");
let id: i32 = rows[0].get(0);
// Query data
let select_query = "SELECT id, name FROM users WHERE id = $1";
let row = query_one(select_query, &[&id]).expect("Failed to query data");
let name: String = row.get(1);
println!("User: {} (ID: {})", name, id);
```
### Connection Management
The module manages connections automatically, but you can also reset the connection if needed:
```rust
use sal::postgresclient::reset;
// Reset the PostgreSQL client connection
reset().expect("Failed to reset connection");
```
### Builder Pattern
The module provides a builder pattern for flexible configuration:
```rust
use sal::postgresclient::{PostgresConfigBuilder, with_config};
// Create a configuration builder
let config = PostgresConfigBuilder::new()
.host("db.example.com")
.port(5432)
.user("postgres")
.password("secret")
.database("mydb")
.application_name("my-app")
.connect_timeout(30)
.ssl_mode("require");
// Connect with the configuration
let client = with_config(config).expect("Failed to connect");
```
## Configuration
### Environment Variables
The module uses the following environment variables for configuration:
- `POSTGRES_HOST`: PostgreSQL server host (default: localhost)
- `POSTGRES_PORT`: PostgreSQL server port (default: 5432)
- `POSTGRES_USER`: PostgreSQL username (default: postgres)
- `POSTGRES_PASSWORD`: PostgreSQL password
- `POSTGRES_DB`: PostgreSQL database name (default: postgres)
### Connection String
The connection string is built from the configuration options:
```
host=localhost port=5432 user=postgres dbname=postgres
```
With authentication:
```
host=localhost port=5432 user=postgres password=secret dbname=postgres
```
With additional options:
```
host=localhost port=5432 user=postgres dbname=postgres application_name=my-app connect_timeout=30 sslmode=require
```
## API Reference
### Connection Functions
- `get_postgres_client() -> Result<Arc<PostgresClientWrapper>, PostgresError>`: Get the PostgreSQL client instance
- `reset() -> Result<(), PostgresError>`: Reset the PostgreSQL client connection
### Query Functions
- `execute(query: &str, params: &[&(dyn postgres::types::ToSql + Sync)]) -> Result<u64, PostgresError>`: Execute a query and return the number of affected rows
- `query(query: &str, params: &[&(dyn postgres::types::ToSql + Sync)]) -> Result<Vec<Row>, PostgresError>`: Execute a query and return the results as a vector of rows
- `query_one(query: &str, params: &[&(dyn postgres::types::ToSql + Sync)]) -> Result<Row, PostgresError>`: Execute a query and return a single row
- `query_opt(query: &str, params: &[&(dyn postgres::types::ToSql + Sync)]) -> Result<Option<Row>, PostgresError>`: Execute a query and return an optional row
### Configuration Functions
- `PostgresConfigBuilder::new() -> PostgresConfigBuilder`: Create a new PostgreSQL configuration builder
- `with_config(config: PostgresConfigBuilder) -> Result<Client, PostgresError>`: Create a new PostgreSQL client with custom configuration
## Error Handling
The module uses the `postgres::Error` type for error handling:
```rust
use sal::postgresclient::{query, query_one};
// Handle errors
match query("SELECT * FROM users", &[]) {
Ok(rows) => {
println!("Found {} users", rows.len());
},
Err(e) => {
eprintln!("Error querying users: {}", e);
}
}
// Using query_one with no results
match query_one("SELECT * FROM users WHERE id = $1", &[&999]) {
Ok(_) => {
println!("User found");
},
Err(e) => {
eprintln!("User not found: {}", e);
}
}
```
## Thread Safety
The PostgreSQL client module is designed to be thread-safe. It uses `Arc` and `Mutex` to ensure safe concurrent access to the client instance.
## Examples
### Basic CRUD Operations
```rust
use sal::postgresclient::{execute, query, query_one};
// Create
let create_query = "INSERT INTO users (name, email) VALUES ($1, $2) RETURNING id";
let rows = query(create_query, &[&"Alice", &"alice@example.com"]).expect("Failed to create user");
let id: i32 = rows[0].get(0);
// Read
let read_query = "SELECT id, name, email FROM users WHERE id = $1";
let row = query_one(read_query, &[&id]).expect("Failed to read user");
let name: String = row.get(1);
let email: String = row.get(2);
// Update
let update_query = "UPDATE users SET email = $1 WHERE id = $2";
let affected = execute(update_query, &[&"new.alice@example.com", &id]).expect("Failed to update user");
// Delete
let delete_query = "DELETE FROM users WHERE id = $1";
let affected = execute(delete_query, &[&id]).expect("Failed to delete user");
```
### Transactions
Transactions are not directly supported by the module, but you can use the PostgreSQL client to implement them:
```rust
use sal::postgresclient::{execute, query};
// Start a transaction
execute("BEGIN", &[]).expect("Failed to start transaction");
// Perform operations
let insert_query = "INSERT INTO accounts (user_id, balance) VALUES ($1, $2)";
execute(insert_query, &[&1, &1000.0]).expect("Failed to insert account");
let update_query = "UPDATE users SET has_account = TRUE WHERE id = $1";
execute(update_query, &[&1]).expect("Failed to update user");
// Commit the transaction
execute("COMMIT", &[]).expect("Failed to commit transaction");
// Or rollback in case of an error
// execute("ROLLBACK", &[]).expect("Failed to rollback transaction");
```
## Testing
The module includes comprehensive tests for both unit and integration testing:
```rust
// Unit tests
#[test]
fn test_postgres_config_builder() {
let config = PostgresConfigBuilder::new()
.host("test-host")
.port(5433)
.user("test-user");
let conn_string = config.build_connection_string();
assert!(conn_string.contains("host=test-host"));
assert!(conn_string.contains("port=5433"));
assert!(conn_string.contains("user=test-user"));
}
// Integration tests
#[test]
fn test_basic_postgres_operations() {
// Skip if PostgreSQL is not available
if !is_postgres_available() {
return;
}
// Create a test table
let create_table_query = "CREATE TEMPORARY TABLE test_table (id SERIAL PRIMARY KEY, name TEXT)";
execute(create_table_query, &[]).expect("Failed to create table");
// Insert data
let insert_query = "INSERT INTO test_table (name) VALUES ($1) RETURNING id";
let rows = query(insert_query, &[&"test"]).expect("Failed to insert data");
let id: i32 = rows[0].get(0);
// Query data
let select_query = "SELECT name FROM test_table WHERE id = $1";
let row = query_one(select_query, &[&id]).expect("Failed to query data");
let name: String = row.get(0);
assert_eq!(name, "test");
}
```

355
src/postgresclient/installer.rs
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@ -1,355 +0,0 @@
// PostgreSQL installer module
//
// This module provides functionality to install and configure PostgreSQL using nerdctl.
use std::collections::HashMap;
use std::env;
use std::fs;
use std::path::Path;
use std::process::Command;
use std::thread;
use std::time::Duration;
use crate::virt::nerdctl::Container;
use std::error::Error;
use std::fmt;
// Custom error type for PostgreSQL installer
#[derive(Debug)]
pub enum PostgresInstallerError {
IoError(std::io::Error),
NerdctlError(String),
PostgresError(String),
}
impl fmt::Display for PostgresInstallerError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
PostgresInstallerError::IoError(e) => write!(f, "I/O error: {}", e),
PostgresInstallerError::NerdctlError(e) => write!(f, "Nerdctl error: {}", e),
PostgresInstallerError::PostgresError(e) => write!(f, "PostgreSQL error: {}", e),
}
}
}
impl Error for PostgresInstallerError {
fn source(&self) -> Option<&(dyn Error + 'static)> {
match self {
PostgresInstallerError::IoError(e) => Some(e),
_ => None,
}
}
}
impl From<std::io::Error> for PostgresInstallerError {
fn from(error: std::io::Error) -> Self {
PostgresInstallerError::IoError(error)
}
}
/// PostgreSQL installer configuration
pub struct PostgresInstallerConfig {
/// Container name for PostgreSQL
pub container_name: String,
/// PostgreSQL version to install
pub version: String,
/// Port to expose PostgreSQL on
pub port: u16,
/// Username for PostgreSQL
pub username: String,
/// Password for PostgreSQL
pub password: String,
/// Data directory for PostgreSQL
pub data_dir: Option<String>,
/// Environment variables for PostgreSQL
pub env_vars: HashMap<String, String>,
/// Whether to use persistent storage
pub persistent: bool,
}
impl Default for PostgresInstallerConfig {
fn default() -> Self {
Self {
container_name: "postgres".to_string(),
version: "latest".to_string(),
port: 5432,
username: "postgres".to_string(),
password: "postgres".to_string(),
data_dir: None,
env_vars: HashMap::new(),
persistent: true,
}
}
}
impl PostgresInstallerConfig {
/// Create a new PostgreSQL installer configuration with default values
pub fn new() -> Self {
Self::default()
}
/// Set the container name
pub fn container_name(mut self, name: &str) -> Self {
self.container_name = name.to_string();
self
}
/// Set the PostgreSQL version
pub fn version(mut self, version: &str) -> Self {
self.version = version.to_string();
self
}
/// Set the port to expose PostgreSQL on
pub fn port(mut self, port: u16) -> Self {
self.port = port;
self
}
/// Set the username for PostgreSQL
pub fn username(mut self, username: &str) -> Self {
self.username = username.to_string();
self
}
/// Set the password for PostgreSQL
pub fn password(mut self, password: &str) -> Self {
self.password = password.to_string();
self
}
/// Set the data directory for PostgreSQL
pub fn data_dir(mut self, data_dir: &str) -> Self {
self.data_dir = Some(data_dir.to_string());
self
}
/// Add an environment variable
pub fn env_var(mut self, key: &str, value: &str) -> Self {
self.env_vars.insert(key.to_string(), value.to_string());
self
}
/// Set whether to use persistent storage
pub fn persistent(mut self, persistent: bool) -> Self {
self.persistent = persistent;
self
}
}
/// Install PostgreSQL using nerdctl
///
/// # Arguments
///
/// * `config` - PostgreSQL installer configuration
///
/// # Returns
///
/// * `Result<Container, PostgresInstallerError>` - Container instance or error
pub fn install_postgres(
config: PostgresInstallerConfig,
) -> Result<Container, PostgresInstallerError> {
// Create the data directory if it doesn't exist and persistent storage is enabled
let data_dir = if config.persistent {
let dir = config.data_dir.unwrap_or_else(|| {
let home_dir = env::var("HOME").unwrap_or_else(|_| "/tmp".to_string());
format!("{}/.postgres-data", home_dir)
});
if !Path::new(&dir).exists() {
fs::create_dir_all(&dir).map_err(|e| PostgresInstallerError::IoError(e))?;
}
Some(dir)
} else {
None
};
// Build the image name
let image = format!("postgres:{}", config.version);
// Pull the PostgreSQL image to ensure we have the latest version
println!("Pulling PostgreSQL image: {}...", image);
let pull_result = Command::new("nerdctl")
.args(&["pull", &image])
.output()
.map_err(|e| PostgresInstallerError::IoError(e))?;
if !pull_result.status.success() {
return Err(PostgresInstallerError::NerdctlError(format!(
"Failed to pull PostgreSQL image: {}",
String::from_utf8_lossy(&pull_result.stderr)
)));
}
// Create the container
let mut container = Container::new(&config.container_name).map_err(|e| {
PostgresInstallerError::NerdctlError(format!("Failed to create container: {}", e))
})?;
// Set the image
container.image = Some(image);
// Set the port
container = container.with_port(&format!("{}:5432", config.port));
// Set environment variables
container = container.with_env("POSTGRES_USER", &config.username);
container = container.with_env("POSTGRES_PASSWORD", &config.password);
container = container.with_env("POSTGRES_DB", "postgres");
// Add custom environment variables
for (key, value) in &config.env_vars {
container = container.with_env(key, value);
}
// Add volume for persistent storage if enabled
if let Some(dir) = data_dir {
container = container.with_volume(&format!("{}:/var/lib/postgresql/data", dir));
}
// Set restart policy
container = container.with_restart_policy("unless-stopped");
// Set detach mode
container = container.with_detach(true);
// Build and start the container
let container = container.build().map_err(|e| {
PostgresInstallerError::NerdctlError(format!("Failed to build container: {}", e))
})?;
// Wait for PostgreSQL to start
println!("Waiting for PostgreSQL to start...");
thread::sleep(Duration::from_secs(5));
// Set environment variables for PostgreSQL client
env::set_var("POSTGRES_HOST", "localhost");
env::set_var("POSTGRES_PORT", config.port.to_string());
env::set_var("POSTGRES_USER", config.username);
env::set_var("POSTGRES_PASSWORD", config.password);
env::set_var("POSTGRES_DB", "postgres");
Ok(container)
}
/// Create a new database in PostgreSQL
///
/// # Arguments
///
/// * `container` - PostgreSQL container
/// * `db_name` - Database name
///
/// # Returns
///
/// * `Result<(), PostgresInstallerError>` - Ok if successful, Err otherwise
pub fn create_database(container: &Container, db_name: &str) -> Result<(), PostgresInstallerError> {
// Check if container is running
if container.container_id.is_none() {
return Err(PostgresInstallerError::PostgresError(
"Container is not running".to_string(),
));
}
// Execute the command to create the database
let command = format!(
"createdb -U {} {}",
env::var("POSTGRES_USER").unwrap_or_else(|_| "postgres".to_string()),
db_name
);
container.exec(&command).map_err(|e| {
PostgresInstallerError::NerdctlError(format!("Failed to create database: {}", e))
})?;
Ok(())
}
/// Execute a SQL script in PostgreSQL
///
/// # Arguments
///
/// * `container` - PostgreSQL container
/// * `db_name` - Database name
/// * `sql` - SQL script to execute
///
/// # Returns
///
/// * `Result<String, PostgresInstallerError>` - Output of the command or error
pub fn execute_sql(
container: &Container,
db_name: &str,
sql: &str,
) -> Result<String, PostgresInstallerError> {
// Check if container is running
if container.container_id.is_none() {
return Err(PostgresInstallerError::PostgresError(
"Container is not running".to_string(),
));
}
// Create a temporary file with the SQL script
let temp_file = "/tmp/postgres_script.sql";
fs::write(temp_file, sql).map_err(|e| PostgresInstallerError::IoError(e))?;
// Copy the file to the container
let container_id = container.container_id.as_ref().unwrap();
let copy_result = Command::new("nerdctl")
.args(&[
"cp",
temp_file,
&format!("{}:/tmp/script.sql", container_id),
])
.output()
.map_err(|e| PostgresInstallerError::IoError(e))?;
if !copy_result.status.success() {
return Err(PostgresInstallerError::PostgresError(format!(
"Failed to copy SQL script to container: {}",
String::from_utf8_lossy(&copy_result.stderr)
)));
}
// Execute the SQL script
let command = format!(
"psql -U {} -d {} -f /tmp/script.sql",
env::var("POSTGRES_USER").unwrap_or_else(|_| "postgres".to_string()),
db_name
);
let result = container.exec(&command).map_err(|e| {
PostgresInstallerError::NerdctlError(format!("Failed to execute SQL script: {}", e))
})?;
// Clean up
fs::remove_file(temp_file).ok();
Ok(result.stdout)
}
/// Check if PostgreSQL is running
///
/// # Arguments
///
/// * `container` - PostgreSQL container
///
/// # Returns
///
/// * `Result<bool, PostgresInstallerError>` - true if running, false otherwise, or error
pub fn is_postgres_running(container: &Container) -> Result<bool, PostgresInstallerError> {
// Check if container is running
if container.container_id.is_none() {
return Ok(false);
}
// Execute a simple query to check if PostgreSQL is running
let command = format!(
"psql -U {} -c 'SELECT 1'",
env::var("POSTGRES_USER").unwrap_or_else(|_| "postgres".to_string())
);
match container.exec(&command) {
Ok(_) => Ok(true),
Err(_) => Ok(false),
}
}

12
src/postgresclient/mod.rs
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@ -1,12 +0,0 @@
// PostgreSQL client module
//
// This module provides a PostgreSQL client for interacting with PostgreSQL databases.
mod installer;
mod postgresclient;
#[cfg(test)]
mod tests;
// Re-export the public API
pub use installer::*;
pub use postgresclient::*;

825
src/postgresclient/postgresclient.rs
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@ -1,825 +0,0 @@
use lazy_static::lazy_static;
use postgres::types::ToSql;
use postgres::{Client, Error as PostgresError, NoTls, Row};
use r2d2::Pool;
use r2d2_postgres::PostgresConnectionManager;
use std::env;
use std::sync::{Arc, Mutex, Once};
use std::time::Duration;
// Helper function to create a PostgreSQL error
fn create_postgres_error(_message: &str) -> PostgresError {
// Since we can't directly create a PostgresError, we'll create one by
// attempting to connect to an invalid connection string and capturing the error
let result = Client::connect("invalid-connection-string", NoTls);
match result {
Ok(_) => unreachable!(), // This should never happen
Err(e) => {
// We have a valid PostgresError now, but we want to customize the message
// Unfortunately, PostgresError doesn't provide a way to modify the message
// So we'll just return the error we got
e
}
}
}
// Global PostgreSQL client instance using lazy_static
lazy_static! {
static ref POSTGRES_CLIENT: Mutex<Option<Arc<PostgresClientWrapper>>> = Mutex::new(None);
static ref POSTGRES_POOL: Mutex<Option<Arc<Pool<PostgresConnectionManager<NoTls>>>>> =
Mutex::new(None);
static ref INIT: Once = Once::new();
}
/// PostgreSQL connection configuration builder
///
/// This struct is used to build a PostgreSQL connection configuration.
/// It follows the builder pattern to allow for flexible configuration.
#[derive(Debug)]
pub struct PostgresConfigBuilder {
pub host: String,
pub port: u16,
pub user: String,
pub password: Option<String>,
pub database: String,
pub application_name: Option<String>,
pub connect_timeout: Option<u64>,
pub ssl_mode: Option<String>,
// Connection pool settings
pub pool_max_size: Option<u32>,
pub pool_min_idle: Option<u32>,
pub pool_idle_timeout: Option<Duration>,
pub pool_connection_timeout: Option<Duration>,
pub pool_max_lifetime: Option<Duration>,
pub use_pool: bool,
}
impl Default for PostgresConfigBuilder {
fn default() -> Self {
Self {
host: "localhost".to_string(),
port: 5432,
user: "postgres".to_string(),
password: None,
database: "postgres".to_string(),
application_name: None,
connect_timeout: None,
ssl_mode: None,
// Default pool settings
pool_max_size: Some(10),
pool_min_idle: Some(1),
pool_idle_timeout: Some(Duration::from_secs(300)),
pool_connection_timeout: Some(Duration::from_secs(30)),
pool_max_lifetime: Some(Duration::from_secs(1800)),
use_pool: false,
}
}
}
impl PostgresConfigBuilder {
/// Create a new PostgreSQL connection configuration builder with default values
pub fn new() -> Self {
Self::default()
}
/// Set the host for the PostgreSQL connection
pub fn host(mut self, host: &str) -> Self {
self.host = host.to_string();
self
}
/// Set the port for the PostgreSQL connection
pub fn port(mut self, port: u16) -> Self {
self.port = port;
self
}
/// Set the user for the PostgreSQL connection
pub fn user(mut self, user: &str) -> Self {
self.user = user.to_string();
self
}
/// Set the password for the PostgreSQL connection
pub fn password(mut self, password: &str) -> Self {
self.password = Some(password.to_string());
self
}
/// Set the database for the PostgreSQL connection
pub fn database(mut self, database: &str) -> Self {
self.database = database.to_string();
self
}
/// Set the application name for the PostgreSQL connection
pub fn application_name(mut self, application_name: &str) -> Self {
self.application_name = Some(application_name.to_string());
self
}
/// Set the connection timeout in seconds
pub fn connect_timeout(mut self, seconds: u64) -> Self {
self.connect_timeout = Some(seconds);
self
}
/// Set the SSL mode for the PostgreSQL connection
pub fn ssl_mode(mut self, ssl_mode: &str) -> Self {
self.ssl_mode = Some(ssl_mode.to_string());
self
}
/// Enable connection pooling
pub fn use_pool(mut self, use_pool: bool) -> Self {
self.use_pool = use_pool;
self
}
/// Set the maximum size of the connection pool
pub fn pool_max_size(mut self, size: u32) -> Self {
self.pool_max_size = Some(size);
self
}
/// Set the minimum number of idle connections in the pool
pub fn pool_min_idle(mut self, size: u32) -> Self {
self.pool_min_idle = Some(size);
self
}
/// Set the idle timeout for connections in the pool
pub fn pool_idle_timeout(mut self, timeout: Duration) -> Self {
self.pool_idle_timeout = Some(timeout);
self
}
/// Set the connection timeout for the pool
pub fn pool_connection_timeout(mut self, timeout: Duration) -> Self {
self.pool_connection_timeout = Some(timeout);
self
}
/// Set the maximum lifetime of connections in the pool
pub fn pool_max_lifetime(mut self, lifetime: Duration) -> Self {
self.pool_max_lifetime = Some(lifetime);
self
}
/// Build the connection string from the configuration
pub fn build_connection_string(&self) -> String {
let mut conn_string = format!(
"host={} port={} user={} dbname={}",
self.host, self.port, self.user, self.database
);
if let Some(password) = &self.password {
conn_string.push_str(&format!(" password={}", password));
}
if let Some(app_name) = &self.application_name {
conn_string.push_str(&format!(" application_name={}", app_name));
}
if let Some(timeout) = self.connect_timeout {
conn_string.push_str(&format!(" connect_timeout={}", timeout));
}
if let Some(ssl_mode) = &self.ssl_mode {
conn_string.push_str(&format!(" sslmode={}", ssl_mode));
}
conn_string
}
/// Build a PostgreSQL client from the configuration
pub fn build(&self) -> Result<Client, PostgresError> {
let conn_string = self.build_connection_string();
Client::connect(&conn_string, NoTls)
}
/// Build a PostgreSQL connection pool from the configuration
pub fn build_pool(&self) -> Result<Pool<PostgresConnectionManager<NoTls>>, r2d2::Error> {
let conn_string = self.build_connection_string();
let manager = PostgresConnectionManager::new(conn_string.parse().unwrap(), NoTls);
let mut pool_builder = r2d2::Pool::builder();
if let Some(max_size) = self.pool_max_size {
pool_builder = pool_builder.max_size(max_size);
}
if let Some(min_idle) = self.pool_min_idle {
pool_builder = pool_builder.min_idle(Some(min_idle));
}
if let Some(idle_timeout) = self.pool_idle_timeout {
pool_builder = pool_builder.idle_timeout(Some(idle_timeout));
}
if let Some(connection_timeout) = self.pool_connection_timeout {
pool_builder = pool_builder.connection_timeout(connection_timeout);
}
if let Some(max_lifetime) = self.pool_max_lifetime {
pool_builder = pool_builder.max_lifetime(Some(max_lifetime));
}
pool_builder.build(manager)
}
}
/// Wrapper for PostgreSQL client to handle connection
pub struct PostgresClientWrapper {
connection_string: String,
client: Mutex<Option<Client>>,
}
/// Transaction functions for PostgreSQL
///
/// These functions provide a way to execute queries within a transaction.
/// The transaction is automatically committed when the function returns successfully,
/// or rolled back if an error occurs.
///
/// Example:
/// ```
/// use sal::postgresclient::{transaction, QueryParams};
///
/// let result = transaction(|client| {
/// // Execute queries within the transaction
/// client.execute("INSERT INTO users (name) VALUES ($1)", &[&"John"])?;
/// client.execute("UPDATE users SET active = true WHERE name = $1", &[&"John"])?;
///
/// // Return a result from the transaction
/// Ok(())
/// });
/// ```
pub fn transaction<F, T>(operations: F) -> Result<T, PostgresError>
where
F: FnOnce(&mut Client) -> Result<T, PostgresError>,
{
let client = get_postgres_client()?;
let client_mutex = client.get_client()?;
let mut client_guard = client_mutex.lock().unwrap();
if let Some(client) = client_guard.as_mut() {
// Begin transaction
client.execute("BEGIN", &[])?;
// Execute operations
match operations(client) {
Ok(result) => {
// Commit transaction
client.execute("COMMIT", &[])?;
Ok(result)
}
Err(e) => {
// Rollback transaction
let _ = client.execute("ROLLBACK", &[]);
Err(e)
}
}
} else {
Err(create_postgres_error("Failed to get PostgreSQL client"))
}
}
/// Transaction functions for PostgreSQL using the connection pool
///
/// These functions provide a way to execute queries within a transaction using the connection pool.
/// The transaction is automatically committed when the function returns successfully,
/// or rolled back if an error occurs.
///
/// Example:
/// ```
/// use sal::postgresclient::{transaction_with_pool, QueryParams};
///
/// let result = transaction_with_pool(|client| {
/// // Execute queries within the transaction
/// client.execute("INSERT INTO users (name) VALUES ($1)", &[&"John"])?;
/// client.execute("UPDATE users SET active = true WHERE name = $1", &[&"John"])?;
///
/// // Return a result from the transaction
/// Ok(())
/// });
/// ```
pub fn transaction_with_pool<F, T>(operations: F) -> Result<T, PostgresError>
where
F: FnOnce(&mut Client) -> Result<T, PostgresError>,
{
let pool = get_postgres_pool()?;
let mut client = pool.get().map_err(|e| {
create_postgres_error(&format!("Failed to get connection from pool: {}", e))
})?;
// Begin transaction
client.execute("BEGIN", &[])?;
// Execute operations
match operations(&mut client) {
Ok(result) => {
// Commit transaction
client.execute("COMMIT", &[])?;
Ok(result)
}
Err(e) => {
// Rollback transaction
let _ = client.execute("ROLLBACK", &[]);
Err(e)
}
}
}
impl PostgresClientWrapper {
/// Create a new PostgreSQL client wrapper
fn new(connection_string: String) -> Self {
PostgresClientWrapper {
connection_string,
client: Mutex::new(None),
}
}
/// Get a reference to the PostgreSQL client, creating it if it doesn't exist
fn get_client(&self) -> Result<&Mutex<Option<Client>>, PostgresError> {
let mut client_guard = self.client.lock().unwrap();
// If we don't have a client or it's not working, create a new one
if client_guard.is_none() {
*client_guard = Some(Client::connect(&self.connection_string, NoTls)?);
}
Ok(&self.client)
}
/// Execute a query on the PostgreSQL connection
pub fn execute(
&self,
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<u64, PostgresError> {
let client_mutex = self.get_client()?;
let mut client_guard = client_mutex.lock().unwrap();
if let Some(client) = client_guard.as_mut() {
client.execute(query, params)
} else {
Err(create_postgres_error("Failed to get PostgreSQL client"))
}
}
/// Execute a query on the PostgreSQL connection and return the rows
pub fn query(
&self,
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Vec<Row>, PostgresError> {
let client_mutex = self.get_client()?;
let mut client_guard = client_mutex.lock().unwrap();
if let Some(client) = client_guard.as_mut() {
client.query(query, params)
} else {
Err(create_postgres_error("Failed to get PostgreSQL client"))
}
}
/// Execute a query on the PostgreSQL connection and return a single row
pub fn query_one(
&self,
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Row, PostgresError> {
let client_mutex = self.get_client()?;
let mut client_guard = client_mutex.lock().unwrap();
if let Some(client) = client_guard.as_mut() {
client.query_one(query, params)
} else {
Err(create_postgres_error("Failed to get PostgreSQL client"))
}
}
/// Execute a query on the PostgreSQL connection and return an optional row
pub fn query_opt(
&self,
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Option<Row>, PostgresError> {
let client_mutex = self.get_client()?;
let mut client_guard = client_mutex.lock().unwrap();
if let Some(client) = client_guard.as_mut() {
client.query_opt(query, params)
} else {
Err(create_postgres_error("Failed to get PostgreSQL client"))
}
}
/// Ping the PostgreSQL server to check if the connection is alive
pub fn ping(&self) -> Result<bool, PostgresError> {
let result = self.query("SELECT 1", &[]);
match result {
Ok(_) => Ok(true),
Err(e) => Err(e),
}
}
}
/// Get the PostgreSQL client instance
pub fn get_postgres_client() -> Result<Arc<PostgresClientWrapper>, PostgresError> {
// Check if we already have a client
{
let guard = POSTGRES_CLIENT.lock().unwrap();
if let Some(ref client) = &*guard {
return Ok(Arc::clone(client));
}
}
// Create a new client
let client = create_postgres_client()?;
// Store the client globally
{
let mut guard = POSTGRES_CLIENT.lock().unwrap();
*guard = Some(Arc::clone(&client));
}
Ok(client)
}
/// Create a new PostgreSQL client
fn create_postgres_client() -> Result<Arc<PostgresClientWrapper>, PostgresError> {
// Try to get connection details from environment variables
let host = env::var("POSTGRES_HOST").unwrap_or_else(|_| String::from("localhost"));
let port = env::var("POSTGRES_PORT")
.ok()
.and_then(|p| p.parse::<u16>().ok())
.unwrap_or(5432);
let user = env::var("POSTGRES_USER").unwrap_or_else(|_| String::from("postgres"));
let password = env::var("POSTGRES_PASSWORD").ok();
let database = env::var("POSTGRES_DB").unwrap_or_else(|_| String::from("postgres"));
// Build the connection string
let mut builder = PostgresConfigBuilder::new()
.host(&host)
.port(port)
.user(&user)
.database(&database);
if let Some(pass) = password {
builder = builder.password(&pass);
}
let connection_string = builder.build_connection_string();
// Create the client wrapper
let wrapper = Arc::new(PostgresClientWrapper::new(connection_string));
// Test the connection
match wrapper.ping() {
Ok(_) => Ok(wrapper),
Err(e) => Err(e),
}
}
/// Reset the PostgreSQL client
pub fn reset() -> Result<(), PostgresError> {
// Clear the existing client
{
let mut client_guard = POSTGRES_CLIENT.lock().unwrap();
*client_guard = None;
}
// Create a new client, only return error if it fails
get_postgres_client()?;
Ok(())
}
/// Execute a query on the PostgreSQL connection
pub fn execute(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<u64, PostgresError> {
let client = get_postgres_client()?;
client.execute(query, params)
}
/// Execute a query on the PostgreSQL connection and return the rows
pub fn query(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Vec<Row>, PostgresError> {
let client = get_postgres_client()?;
client.query(query, params)
}
/// Execute a query on the PostgreSQL connection and return a single row
pub fn query_one(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Row, PostgresError> {
let client = get_postgres_client()?;
client.query_one(query, params)
}
/// Execute a query on the PostgreSQL connection and return an optional row
pub fn query_opt(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Option<Row>, PostgresError> {
let client = get_postgres_client()?;
client.query_opt(query, params)
}
/// Create a new PostgreSQL client with custom configuration
pub fn with_config(config: PostgresConfigBuilder) -> Result<Client, PostgresError> {
config.build()
}
/// Create a new PostgreSQL connection pool with custom configuration
pub fn with_pool_config(
config: PostgresConfigBuilder,
) -> Result<Pool<PostgresConnectionManager<NoTls>>, r2d2::Error> {
config.build_pool()
}
/// Get the PostgreSQL connection pool instance
pub fn get_postgres_pool() -> Result<Arc<Pool<PostgresConnectionManager<NoTls>>>, PostgresError> {
// Check if we already have a pool
{
let guard = POSTGRES_POOL.lock().unwrap();
if let Some(ref pool) = &*guard {
return Ok(Arc::clone(pool));
}
}
// Create a new pool
let pool = create_postgres_pool()?;
// Store the pool globally
{
let mut guard = POSTGRES_POOL.lock().unwrap();
*guard = Some(Arc::clone(&pool));
}
Ok(pool)
}
/// Create a new PostgreSQL connection pool
fn create_postgres_pool() -> Result<Arc<Pool<PostgresConnectionManager<NoTls>>>, PostgresError> {
// Try to get connection details from environment variables
let host = env::var("POSTGRES_HOST").unwrap_or_else(|_| String::from("localhost"));
let port = env::var("POSTGRES_PORT")
.ok()
.and_then(|p| p.parse::<u16>().ok())
.unwrap_or(5432);
let user = env::var("POSTGRES_USER").unwrap_or_else(|_| String::from("postgres"));
let password = env::var("POSTGRES_PASSWORD").ok();
let database = env::var("POSTGRES_DB").unwrap_or_else(|_| String::from("postgres"));
// Build the configuration
let mut builder = PostgresConfigBuilder::new()
.host(&host)
.port(port)
.user(&user)
.database(&database)
.use_pool(true);
if let Some(pass) = password {
builder = builder.password(&pass);
}
// Create the pool
match builder.build_pool() {
Ok(pool) => {
// Test the connection
match pool.get() {
Ok(_) => Ok(Arc::new(pool)),
Err(e) => Err(create_postgres_error(&format!(
"Failed to connect to PostgreSQL: {}",
e
))),
}
}
Err(e) => Err(create_postgres_error(&format!(
"Failed to create PostgreSQL connection pool: {}",
e
))),
}
}
/// Reset the PostgreSQL connection pool
pub fn reset_pool() -> Result<(), PostgresError> {
// Clear the existing pool
{
let mut pool_guard = POSTGRES_POOL.lock().unwrap();
*pool_guard = None;
}
// Create a new pool, only return error if it fails
get_postgres_pool()?;
Ok(())
}
/// Execute a query using the connection pool
pub fn execute_with_pool(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<u64, PostgresError> {
let pool = get_postgres_pool()?;
let mut client = pool.get().map_err(|e| {
create_postgres_error(&format!("Failed to get connection from pool: {}", e))
})?;
client.execute(query, params)
}
/// Execute a query using the connection pool and return the rows
pub fn query_with_pool(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Vec<Row>, PostgresError> {
let pool = get_postgres_pool()?;
let mut client = pool.get().map_err(|e| {
create_postgres_error(&format!("Failed to get connection from pool: {}", e))
})?;
client.query(query, params)
}
/// Execute a query using the connection pool and return a single row
pub fn query_one_with_pool(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Row, PostgresError> {
let pool = get_postgres_pool()?;
let mut client = pool.get().map_err(|e| {
create_postgres_error(&format!("Failed to get connection from pool: {}", e))
})?;
client.query_one(query, params)
}
/// Execute a query using the connection pool and return an optional row
pub fn query_opt_with_pool(
query: &str,
params: &[&(dyn postgres::types::ToSql + Sync)],
) -> Result<Option<Row>, PostgresError> {
let pool = get_postgres_pool()?;
let mut client = pool.get().map_err(|e| {
create_postgres_error(&format!("Failed to get connection from pool: {}", e))
})?;
client.query_opt(query, params)
}
/// Parameter builder for PostgreSQL queries
///
/// This struct helps build parameterized queries for PostgreSQL.
/// It provides a type-safe way to build query parameters.
#[derive(Default)]
pub struct QueryParams {
params: Vec<Box<dyn ToSql + Sync>>,
}
impl QueryParams {
/// Create a new empty parameter builder
pub fn new() -> Self {
Self { params: Vec::new() }
}
/// Add a parameter to the builder
pub fn add<T: 'static + ToSql + Sync>(&mut self, value: T) -> &mut Self {
self.params.push(Box::new(value));
self
}
/// Add a string parameter to the builder
pub fn add_str(&mut self, value: &str) -> &mut Self {
self.add(value.to_string())
}
/// Add an integer parameter to the builder
pub fn add_int(&mut self, value: i32) -> &mut Self {
self.add(value)
}
/// Add a float parameter to the builder
pub fn add_float(&mut self, value: f64) -> &mut Self {
self.add(value)
}
/// Add a boolean parameter to the builder
pub fn add_bool(&mut self, value: bool) -> &mut Self {
self.add(value)
}
/// Add an optional parameter to the builder
pub fn add_opt<T: 'static + ToSql + Sync>(&mut self, value: Option<T>) -> &mut Self {
if let Some(v) = value {
self.add(v);
} else {
// Add NULL value
self.params.push(Box::new(None::<String>));
}
self
}
/// Get the parameters as a slice of references
pub fn as_slice(&self) -> Vec<&(dyn ToSql + Sync)> {
self.params
.iter()
.map(|p| p.as_ref() as &(dyn ToSql + Sync))
.collect()
}
}
/// Execute a query with the parameter builder
pub fn execute_with_params(query_str: &str, params: &QueryParams) -> Result<u64, PostgresError> {
let client = get_postgres_client()?;
client.execute(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder and return the rows
pub fn query_with_params(query_str: &str, params: &QueryParams) -> Result<Vec<Row>, PostgresError> {
let client = get_postgres_client()?;
client.query(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder and return a single row
pub fn query_one_with_params(query_str: &str, params: &QueryParams) -> Result<Row, PostgresError> {
let client = get_postgres_client()?;
client.query_one(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder and return an optional row
pub fn query_opt_with_params(
query_str: &str,
params: &QueryParams,
) -> Result<Option<Row>, PostgresError> {
let client = get_postgres_client()?;
client.query_opt(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder using the connection pool
pub fn execute_with_pool_params(
query_str: &str,
params: &QueryParams,
) -> Result<u64, PostgresError> {
execute_with_pool(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder using the connection pool and return the rows
pub fn query_with_pool_params(
query_str: &str,
params: &QueryParams,
) -> Result<Vec<Row>, PostgresError> {
query_with_pool(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder using the connection pool and return a single row
pub fn query_one_with_pool_params(
query_str: &str,
params: &QueryParams,
) -> Result<Row, PostgresError> {
query_one_with_pool(query_str, &params.as_slice())
}
/// Execute a query with the parameter builder using the connection pool and return an optional row
pub fn query_opt_with_pool_params(
query_str: &str,
params: &QueryParams,
) -> Result<Option<Row>, PostgresError> {
query_opt_with_pool(query_str, &params.as_slice())
}
/// Send a notification on a channel
///
/// This function sends a notification on the specified channel with the specified payload.
///
/// Example:
/// ```no_run
/// use sal::postgresclient::notify;
///
/// notify("my_channel", "Hello, world!").expect("Failed to send notification");
/// ```
pub fn notify(channel: &str, payload: &str) -> Result<(), PostgresError> {
let client = get_postgres_client()?;
client.execute(&format!("NOTIFY {}, '{}'", channel, payload), &[])?;
Ok(())
}
/// Send a notification on a channel using the connection pool
///
/// This function sends a notification on the specified channel with the specified payload using the connection pool.
///
/// Example:
/// ```no_run
/// use sal::postgresclient::notify_with_pool;
///
/// notify_with_pool("my_channel", "Hello, world!").expect("Failed to send notification");
/// ```
pub fn notify_with_pool(channel: &str, payload: &str) -> Result<(), PostgresError> {
let pool = get_postgres_pool()?;
let mut client = pool.get().map_err(|e| {
create_postgres_error(&format!("Failed to get connection from pool: {}", e))
})?;
client.execute(&format!("NOTIFY {}, '{}'", channel, payload), &[])?;
Ok(())
}

843
src/postgresclient/tests.rs
View File

@ -1,843 +0,0 @@
use super::*;
use std::collections::HashMap;
use std::env;
#[cfg(test)]
mod postgres_client_tests {
use super::*;
#[test]
fn test_env_vars() {
// Save original environment variables to restore later
let original_host = env::var("POSTGRES_HOST").ok();
let original_port = env::var("POSTGRES_PORT").ok();
let original_user = env::var("POSTGRES_USER").ok();
let original_password = env::var("POSTGRES_PASSWORD").ok();
let original_db = env::var("POSTGRES_DB").ok();
// Set test environment variables
env::set_var("POSTGRES_HOST", "test-host");
env::set_var("POSTGRES_PORT", "5433");
env::set_var("POSTGRES_USER", "test-user");
env::set_var("POSTGRES_PASSWORD", "test-password");
env::set_var("POSTGRES_DB", "test-db");
// Test with invalid port
env::set_var("POSTGRES_PORT", "invalid");
// Test with unset values
env::remove_var("POSTGRES_HOST");
env::remove_var("POSTGRES_PORT");
env::remove_var("POSTGRES_USER");
env::remove_var("POSTGRES_PASSWORD");
env::remove_var("POSTGRES_DB");
// Restore original environment variables
if let Some(host) = original_host {
env::set_var("POSTGRES_HOST", host);
}
if let Some(port) = original_port {
env::set_var("POSTGRES_PORT", port);
}
if let Some(user) = original_user {
env::set_var("POSTGRES_USER", user);
}
if let Some(password) = original_password {
env::set_var("POSTGRES_PASSWORD", password);
}
if let Some(db) = original_db {
env::set_var("POSTGRES_DB", db);
}
}
#[test]
fn test_postgres_config_builder() {
// Test the PostgreSQL configuration builder
// Test default values
let config = PostgresConfigBuilder::new();
assert_eq!(config.host, "localhost");
assert_eq!(config.port, 5432);
assert_eq!(config.user, "postgres");
assert_eq!(config.password, None);
assert_eq!(config.database, "postgres");
assert_eq!(config.application_name, None);
assert_eq!(config.connect_timeout, None);
assert_eq!(config.ssl_mode, None);
// Test setting values
let config = PostgresConfigBuilder::new()
.host("pg.example.com")
.port(5433)
.user("test-user")
.password("test-password")
.database("test-db")
.application_name("test-app")
.connect_timeout(30)
.ssl_mode("require");
assert_eq!(config.host, "pg.example.com");
assert_eq!(config.port, 5433);
assert_eq!(config.user, "test-user");
assert_eq!(config.password, Some("test-password".to_string()));
assert_eq!(config.database, "test-db");
assert_eq!(config.application_name, Some("test-app".to_string()));
assert_eq!(config.connect_timeout, Some(30));
assert_eq!(config.ssl_mode, Some("require".to_string()));
}
#[test]
fn test_connection_string_building() {
// Test building connection strings
// Test default connection string
let config = PostgresConfigBuilder::new();
let conn_string = config.build_connection_string();
assert!(conn_string.contains("host=localhost"));
assert!(conn_string.contains("port=5432"));
assert!(conn_string.contains("user=postgres"));
assert!(conn_string.contains("dbname=postgres"));
assert!(!conn_string.contains("password="));
// Test with all options
let config = PostgresConfigBuilder::new()
.host("pg.example.com")
.port(5433)
.user("test-user")
.password("test-password")
.database("test-db")
.application_name("test-app")
.connect_timeout(30)
.ssl_mode("require");
let conn_string = config.build_connection_string();
assert!(conn_string.contains("host=pg.example.com"));
assert!(conn_string.contains("port=5433"));
assert!(conn_string.contains("user=test-user"));
assert!(conn_string.contains("password=test-password"));
assert!(conn_string.contains("dbname=test-db"));
assert!(conn_string.contains("application_name=test-app"));
assert!(conn_string.contains("connect_timeout=30"));
assert!(conn_string.contains("sslmode=require"));
}
#[test]
fn test_reset_mock() {
// This is a simplified test that doesn't require an actual PostgreSQL server
// Just verify that the reset function doesn't panic
if let Err(_) = reset() {
// If PostgreSQL is not available, this is expected to fail
// So we don't assert anything here
}
}
}
// Integration tests that require a real PostgreSQL server
// These tests will be skipped if PostgreSQL is not available
#[cfg(test)]
mod postgres_installer_tests {
use super::*;
use crate::virt::nerdctl::Container;
#[test]
fn test_postgres_installer_config() {
// Test default configuration
let config = PostgresInstallerConfig::default();
assert_eq!(config.container_name, "postgres");
assert_eq!(config.version, "latest");
assert_eq!(config.port, 5432);
assert_eq!(config.username, "postgres");
assert_eq!(config.password, "postgres");
assert_eq!(config.data_dir, None);
assert_eq!(config.env_vars.len(), 0);
assert_eq!(config.persistent, true);
// Test builder pattern
let config = PostgresInstallerConfig::new()
.container_name("my-postgres")
.version("15")
.port(5433)
.username("testuser")
.password("testpass")
.data_dir("/tmp/pgdata")
.env_var("POSTGRES_INITDB_ARGS", "--encoding=UTF8")
.persistent(false);
assert_eq!(config.container_name, "my-postgres");
assert_eq!(config.version, "15");
assert_eq!(config.port, 5433);
assert_eq!(config.username, "testuser");
assert_eq!(config.password, "testpass");
assert_eq!(config.data_dir, Some("/tmp/pgdata".to_string()));
assert_eq!(config.env_vars.len(), 1);
assert_eq!(
config.env_vars.get("POSTGRES_INITDB_ARGS").unwrap(),
"--encoding=UTF8"
);
assert_eq!(config.persistent, false);
}
#[test]
fn test_postgres_installer_error() {
// Test IoError
let io_error = std::io::Error::new(std::io::ErrorKind::NotFound, "File not found");
let installer_error = PostgresInstallerError::IoError(io_error);
assert!(format!("{}", installer_error).contains("I/O error"));
// Test NerdctlError
let nerdctl_error = PostgresInstallerError::NerdctlError("Container not found".to_string());
assert!(format!("{}", nerdctl_error).contains("Nerdctl error"));
// Test PostgresError
let postgres_error =
PostgresInstallerError::PostgresError("Database not found".to_string());
assert!(format!("{}", postgres_error).contains("PostgreSQL error"));
}
#[test]
fn test_install_postgres_with_defaults() {
// This is a unit test that doesn't actually install PostgreSQL
// It just tests the configuration and error handling
// Test with default configuration
let config = PostgresInstallerConfig::default();
// We expect this to fail because nerdctl is not available
let result = install_postgres(config);
assert!(result.is_err());
// Check that the error is a NerdctlError or IoError
match result {
Err(PostgresInstallerError::NerdctlError(_)) => {
// This is fine, we expected a NerdctlError
}
Err(PostgresInstallerError::IoError(_)) => {
// This is also fine, we expected an error
}
_ => panic!("Expected NerdctlError or IoError"),
}
}
#[test]
fn test_install_postgres_with_custom_config() {
// Test with custom configuration
let config = PostgresInstallerConfig::new()
.container_name("test-postgres")
.version("15")
.port(5433)
.username("testuser")
.password("testpass")
.data_dir("/tmp/pgdata")
.env_var("POSTGRES_INITDB_ARGS", "--encoding=UTF8")
.persistent(true);
// We expect this to fail because nerdctl is not available
let result = install_postgres(config);
assert!(result.is_err());
// Check that the error is a NerdctlError or IoError
match result {
Err(PostgresInstallerError::NerdctlError(_)) => {
// This is fine, we expected a NerdctlError
}
Err(PostgresInstallerError::IoError(_)) => {
// This is also fine, we expected an error
}
_ => panic!("Expected NerdctlError or IoError"),
}
}
#[test]
fn test_create_database() {
// Create a mock container
// In a real test, we would use mockall to create a mock container
// But for this test, we'll just test the error handling
// We expect this to fail because the container is not running
let result = create_database(
&Container {
name: "test-postgres".to_string(),
container_id: None,
image: Some("postgres:15".to_string()),
config: HashMap::new(),
ports: Vec::new(),
volumes: Vec::new(),
env_vars: HashMap::new(),
network: None,
network_aliases: Vec::new(),
cpu_limit: None,
memory_limit: None,
memory_swap_limit: None,
cpu_shares: None,
restart_policy: None,
health_check: None,
detach: false,
snapshotter: None,
},
"testdb",
);
assert!(result.is_err());
// Check that the error is a PostgresError
match result {
Err(PostgresInstallerError::PostgresError(msg)) => {
assert!(msg.contains("Container is not running"));
}
_ => panic!("Expected PostgresError"),
}
}
#[test]
fn test_execute_sql() {
// Create a mock container
// In a real test, we would use mockall to create a mock container
// But for this test, we'll just test the error handling
// We expect this to fail because the container is not running
let result = execute_sql(
&Container {
name: "test-postgres".to_string(),
container_id: None,
image: Some("postgres:15".to_string()),
config: HashMap::new(),
ports: Vec::new(),
volumes: Vec::new(),
env_vars: HashMap::new(),
network: None,
network_aliases: Vec::new(),
cpu_limit: None,
memory_limit: None,
memory_swap_limit: None,
cpu_shares: None,
restart_policy: None,
health_check: None,
detach: false,
snapshotter: None,
},
"testdb",
"SELECT 1",
);
assert!(result.is_err());
// Check that the error is a PostgresError
match result {
Err(PostgresInstallerError::PostgresError(msg)) => {
assert!(msg.contains("Container is not running"));
}
_ => panic!("Expected PostgresError"),
}
}
#[test]
fn test_is_postgres_running() {
// Create a mock container
// In a real test, we would use mockall to create a mock container
// But for this test, we'll just test the error handling
// We expect this to return false because the container is not running
let result = is_postgres_running(&Container {
name: "test-postgres".to_string(),
container_id: None,
image: Some("postgres:15".to_string()),
config: HashMap::new(),
ports: Vec::new(),
volumes: Vec::new(),
env_vars: HashMap::new(),
network: None,
network_aliases: Vec::new(),
cpu_limit: None,
memory_limit: None,
memory_swap_limit: None,
cpu_shares: None,
restart_policy: None,
health_check: None,
detach: false,
snapshotter: None,
});
assert!(result.is_ok());
assert_eq!(result.unwrap(), false);
}
}
#[cfg(test)]
mod postgres_integration_tests {
use super::*;
use std::time::Duration;
// Helper function to check if PostgreSQL is available
fn is_postgres_available() -> bool {
match get_postgres_client() {
Ok(_) => true,
Err(_) => false,
}
}
#[test]
fn test_postgres_client_integration() {
if !is_postgres_available() {
println!("Skipping PostgreSQL integration tests - PostgreSQL server not available");
return;
}
println!("Running PostgreSQL integration tests...");
// Test basic operations
test_basic_postgres_operations();
// Test error handling
test_error_handling();
}
#[test]
fn test_connection_pool() {
if !is_postgres_available() {
println!("Skipping PostgreSQL connection pool tests - PostgreSQL server not available");
return;
}
run_connection_pool_test();
}
fn run_connection_pool_test() {
println!("Running PostgreSQL connection pool tests...");
// Test creating a connection pool
let config = PostgresConfigBuilder::new()
.use_pool(true)
.pool_max_size(5)
.pool_min_idle(1)
.pool_connection_timeout(Duration::from_secs(5));
let pool_result = config.build_pool();
assert!(pool_result.is_ok());
let pool = pool_result.unwrap();
// Test getting a connection from the pool
let conn_result = pool.get();
assert!(conn_result.is_ok());
// Test executing a query with the connection
let mut conn = conn_result.unwrap();
let query_result = conn.query("SELECT 1", &[]);
assert!(query_result.is_ok());
// Test the global pool
let global_pool_result = get_postgres_pool();
assert!(global_pool_result.is_ok());
// Test executing queries with the pool
let create_table_query = "
CREATE TEMPORARY TABLE pool_test (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL
)
";
let create_result = execute_with_pool(create_table_query, &[]);
assert!(create_result.is_ok());
// Test with parameters
let insert_result = execute_with_pool(
"INSERT INTO pool_test (name) VALUES ($1) RETURNING id",
&[&"test_pool"],
);
assert!(insert_result.is_ok());
// Test with QueryParams
let mut params = QueryParams::new();
params.add_str("test_pool_params");
let insert_params_result = execute_with_pool_params(
"INSERT INTO pool_test (name) VALUES ($1) RETURNING id",
&params,
);
assert!(insert_params_result.is_ok());
// Test query functions
let query_result = query_with_pool("SELECT * FROM pool_test", &[]);
assert!(query_result.is_ok());
let rows = query_result.unwrap();
assert_eq!(rows.len(), 2);
// Test query_one
let query_one_result =
query_one_with_pool("SELECT * FROM pool_test WHERE name = $1", &[&"test_pool"]);
assert!(query_one_result.is_ok());
// Test query_opt
let query_opt_result =
query_opt_with_pool("SELECT * FROM pool_test WHERE name = $1", &[&"nonexistent"]);
assert!(query_opt_result.is_ok());
assert!(query_opt_result.unwrap().is_none());
// Test resetting the pool
let reset_result = reset_pool();
assert!(reset_result.is_ok());
// Test getting the pool again after reset
let pool_after_reset = get_postgres_pool();
assert!(pool_after_reset.is_ok());
}
fn test_basic_postgres_operations() {
if !is_postgres_available() {
return;
}
// Create a test table
let create_table_query = "
CREATE TEMPORARY TABLE test_table (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
value INTEGER
)
";
let create_result = execute(create_table_query, &[]);
assert!(create_result.is_ok());
// Insert data
let insert_query = "
INSERT INTO test_table (name, value)
VALUES ($1, $2)
RETURNING id
";
let insert_result = query(insert_query, &[&"test_name", &42]);
assert!(insert_result.is_ok());
let rows = insert_result.unwrap();
assert_eq!(rows.len(), 1);
let id: i32 = rows[0].get(0);
assert!(id > 0);
// Query data
let select_query = "
SELECT id, name, value
FROM test_table
WHERE id = $1
";
let select_result = query_one(select_query, &[&id]);
assert!(select_result.is_ok());
let row = select_result.unwrap();
let name: String = row.get(1);
let value: i32 = row.get(2);
assert_eq!(name, "test_name");
assert_eq!(value, 42);
// Update data
let update_query = "
UPDATE test_table
SET value = $1
WHERE id = $2
";
let update_result = execute(update_query, &[&100, &id]);
assert!(update_result.is_ok());
assert_eq!(update_result.unwrap(), 1); // 1 row affected
// Verify update
let verify_query = "
SELECT value
FROM test_table
WHERE id = $1
";
let verify_result = query_one(verify_query, &[&id]);
assert!(verify_result.is_ok());
let row = verify_result.unwrap();
let updated_value: i32 = row.get(0);
assert_eq!(updated_value, 100);
// Delete data
let delete_query = "
DELETE FROM test_table
WHERE id = $1
";
let delete_result = execute(delete_query, &[&id]);
assert!(delete_result.is_ok());
assert_eq!(delete_result.unwrap(), 1); // 1 row affected
}
#[test]
fn test_query_params() {
if !is_postgres_available() {
println!("Skipping PostgreSQL parameter tests - PostgreSQL server not available");
return;
}
run_query_params_test();
}
#[test]
fn test_transactions() {
if !is_postgres_available() {
println!("Skipping PostgreSQL transaction tests - PostgreSQL server not available");
return;
}
println!("Running PostgreSQL transaction tests...");
// Test successful transaction
let result = transaction(|client| {
// Create a temporary table
client.execute(
"CREATE TEMPORARY TABLE transaction_test (id SERIAL PRIMARY KEY, name TEXT NOT NULL)",
&[],
)?;
// Insert data
client.execute(
"INSERT INTO transaction_test (name) VALUES ($1)",
&[&"test_transaction"],
)?;
// Query data
let rows = client.query(
"SELECT * FROM transaction_test WHERE name = $1",
&[&"test_transaction"],
)?;
assert_eq!(rows.len(), 1);
let name: String = rows[0].get(1);
assert_eq!(name, "test_transaction");
// Return success
Ok(true)
});
assert!(result.is_ok());
assert_eq!(result.unwrap(), true);
// Test failed transaction
let result = transaction(|client| {
// Create a temporary table
client.execute(
"CREATE TEMPORARY TABLE transaction_test_fail (id SERIAL PRIMARY KEY, name TEXT NOT NULL)",
&[],
)?;
// Insert data
client.execute(
"INSERT INTO transaction_test_fail (name) VALUES ($1)",
&[&"test_transaction_fail"],
)?;
// Cause an error with invalid SQL
client.execute("THIS IS INVALID SQL", &[])?;
// This should not be reached
Ok(false)
});
assert!(result.is_err());
// Verify that the table was not created (transaction was rolled back)
let verify_result = query("SELECT * FROM transaction_test_fail", &[]);
assert!(verify_result.is_err());
// Test transaction with pool
let result = transaction_with_pool(|client| {
// Create a temporary table
client.execute(
"CREATE TEMPORARY TABLE transaction_pool_test (id SERIAL PRIMARY KEY, name TEXT NOT NULL)",
&[],
)?;
// Insert data
client.execute(
"INSERT INTO transaction_pool_test (name) VALUES ($1)",
&[&"test_transaction_pool"],
)?;
// Query data
let rows = client.query(
"SELECT * FROM transaction_pool_test WHERE name = $1",
&[&"test_transaction_pool"],
)?;
assert_eq!(rows.len(), 1);
let name: String = rows[0].get(1);
assert_eq!(name, "test_transaction_pool");
// Return success
Ok(true)
});
assert!(result.is_ok());
assert_eq!(result.unwrap(), true);
}
fn run_query_params_test() {
println!("Running PostgreSQL parameter tests...");
// Create a test table
let create_table_query = "
CREATE TEMPORARY TABLE param_test (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
value INTEGER,
active BOOLEAN,
score REAL
)
";
let create_result = execute(create_table_query, &[]);
assert!(create_result.is_ok());
// Test QueryParams builder
let mut params = QueryParams::new();
params.add_str("test_name");
params.add_int(42);
params.add_bool(true);
params.add_float(3.14);
// Insert data using QueryParams
let insert_query = "
INSERT INTO param_test (name, value, active, score)
VALUES ($1, $2, $3, $4)
RETURNING id
";
let insert_result = query_with_params(insert_query, &params);
assert!(insert_result.is_ok());
let rows = insert_result.unwrap();
assert_eq!(rows.len(), 1);
let id: i32 = rows[0].get(0);
assert!(id > 0);
// Query data using QueryParams
let mut query_params = QueryParams::new();
query_params.add_int(id);
let select_query = "
SELECT id, name, value, active, score
FROM param_test
WHERE id = $1
";
let select_result = query_one_with_params(select_query, &query_params);
assert!(select_result.is_ok());
let row = select_result.unwrap();
let name: String = row.get(1);
let value: i32 = row.get(2);
let active: bool = row.get(3);
let score: f64 = row.get(4);
assert_eq!(name, "test_name");
assert_eq!(value, 42);
assert_eq!(active, true);
assert_eq!(score, 3.14);
// Test optional parameters
let mut update_params = QueryParams::new();
update_params.add_int(100);
update_params.add_opt::<String>(None);
update_params.add_int(id);
let update_query = "
UPDATE param_test
SET value = $1, name = COALESCE($2, name)
WHERE id = $3
";
let update_result = execute_with_params(update_query, &update_params);
assert!(update_result.is_ok());
assert_eq!(update_result.unwrap(), 1); // 1 row affected
// Verify update
let verify_result = query_one_with_params(select_query, &query_params);
assert!(verify_result.is_ok());
let row = verify_result.unwrap();
let name: String = row.get(1);
let value: i32 = row.get(2);
assert_eq!(name, "test_name"); // Name should be unchanged
assert_eq!(value, 100); // Value should be updated
// Test query_opt_with_params
let mut nonexistent_params = QueryParams::new();
nonexistent_params.add_int(9999); // ID that doesn't exist
let opt_query = "
SELECT id, name
FROM param_test
WHERE id = $1
";
let opt_result = query_opt_with_params(opt_query, &nonexistent_params);
assert!(opt_result.is_ok());
assert!(opt_result.unwrap().is_none());
// Clean up
let delete_query = "
DELETE FROM param_test
WHERE id = $1
";
let delete_result = execute_with_params(delete_query, &query_params);
assert!(delete_result.is_ok());
assert_eq!(delete_result.unwrap(), 1); // 1 row affected
}
fn test_error_handling() {
if !is_postgres_available() {
return;
}
// Test invalid SQL
let invalid_query = "SELECT * FROM nonexistent_table";
let invalid_result = query(invalid_query, &[]);
assert!(invalid_result.is_err());
// Test parameter type mismatch
let mismatch_query = "SELECT $1::integer";
let mismatch_result = query(mismatch_query, &[&"not_an_integer"]);
assert!(mismatch_result.is_err());
// Test query_one with no results
let empty_query = "SELECT * FROM pg_tables WHERE tablename = 'nonexistent_table'";
let empty_result = query_one(empty_query, &[]);
assert!(empty_result.is_err());
// Test query_opt with no results
let opt_query = "SELECT * FROM pg_tables WHERE tablename = 'nonexistent_table'";
let opt_result = query_opt(opt_query, &[]);
assert!(opt_result.is_ok());
assert!(opt_result.unwrap().is_none());
}
#[test]
fn test_notify() {
if !is_postgres_available() {
println!("Skipping PostgreSQL notification tests - PostgreSQL server not available");
return;
}
println!("Running PostgreSQL notification tests...");
// Test sending a notification
let result = notify("test_channel", "test_payload");
assert!(result.is_ok());
// Test sending a notification with the pool
let result = notify_with_pool("test_channel_pool", "test_payload_pool");
assert!(result.is_ok());
}
}

194
src/process/mgmt.rs
View File

@ -1,10 +1,10 @@
use std::error::Error;
use std::fmt;
use std::io;
use std::process::Command;
use std::fmt;
use std::error::Error;
use std::io;
/// Error type for process management operations
///
///
/// This enum represents various errors that can occur during process management
/// operations such as listing, finding, or killing processes.
#[derive(Debug)]
@ -23,18 +23,11 @@ pub enum ProcessError {
impl fmt::Display for ProcessError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
ProcessError::CommandExecutionFailed(e) => {
write!(f, "Failed to execute command: {}", e)
}
ProcessError::CommandExecutionFailed(e) => write!(f, "Failed to execute command: {}", e),
ProcessError::CommandFailed(e) => write!(f, "{}", e),
ProcessError::NoProcessFound(pattern) => {
write!(f, "No processes found matching '{}'", pattern)
}
ProcessError::MultipleProcessesFound(pattern, count) => write!(
f,
"Multiple processes ({}) found matching '{}'",
count, pattern
),
ProcessError::NoProcessFound(pattern) => write!(f, "No processes found matching '{}'", pattern),
ProcessError::MultipleProcessesFound(pattern, count) =>
write!(f, "Multiple processes ({}) found matching '{}'", count, pattern),
}
}
}
@ -60,20 +53,18 @@ pub struct ProcessInfo {
/**
* Check if a command exists in PATH.
*
*
* # Arguments
*
*
* * `cmd` - The command to check
*
*
* # Returns
*
*
* * `Option<String>` - The full path to the command if found, None otherwise
*
*
* # Examples
*
*
* ```
* use sal::process::which;
*
* match which("git") {
* Some(path) => println!("Git is installed at: {}", path),
* None => println!("Git is not installed"),
@ -83,12 +74,14 @@ pub struct ProcessInfo {
pub fn which(cmd: &str) -> Option<String> {
#[cfg(target_os = "windows")]
let which_cmd = "where";
#[cfg(any(target_os = "macos", target_os = "linux"))]
let which_cmd = "which";
let output = Command::new(which_cmd).arg(cmd).output();
let output = Command::new(which_cmd)
.arg(cmd)
.output();
match output {
Ok(out) => {
if out.status.success() {
@ -97,34 +90,29 @@ pub fn which(cmd: &str) -> Option<String> {
} else {
None
}
}
Err(_) => None,
},
Err(_) => None
}
}
/**
* Kill processes matching a pattern.
*
*
* # Arguments
*
*
* * `pattern` - The pattern to match against process names
*
*
* # Returns
*
*
* * `Ok(String)` - A success message indicating processes were killed or none were found
* * `Err(ProcessError)` - An error if the kill operation failed
*
*
* # Examples
*
*
* ```
* // Kill all processes with "server" in their name
* use sal::process::kill;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* let result = kill("server")?;
* println!("{}", result);
* Ok(())
* }
* let result = kill("server")?;
* println!("{}", result);
* ```
*/
pub fn kill(pattern: &str) -> Result<String, ProcessError> {
@ -133,7 +121,7 @@ pub fn kill(pattern: &str) -> Result<String, ProcessError> {
{
// On Windows, use taskkill with wildcard support
let mut args = vec!["/F"]; // Force kill
if pattern.contains('*') {
// If it contains wildcards, use filter
args.extend(&["/FI", &format!("IMAGENAME eq {}", pattern)]);
@ -141,12 +129,12 @@ pub fn kill(pattern: &str) -> Result<String, ProcessError> {
// Otherwise use image name directly
args.extend(&["/IM", pattern]);
}
let output = Command::new("taskkill")
.args(&args)
.output()
.map_err(ProcessError::CommandExecutionFailed)?;
if output.status.success() {
Ok("Successfully killed processes".to_string())
} else {
@ -156,20 +144,14 @@ pub fn kill(pattern: &str) -> Result<String, ProcessError> {
if stdout.contains("No tasks") {
Ok("No matching processes found".to_string())
} else {
Err(ProcessError::CommandFailed(format!(
"Failed to kill processes: {}",
stdout
)))
Err(ProcessError::CommandFailed(format!("Failed to kill processes: {}", stdout)))
}
} else {
Err(ProcessError::CommandFailed(format!(
"Failed to kill processes: {}",
error
)))
Err(ProcessError::CommandFailed(format!("Failed to kill processes: {}", error)))
}
}
}
#[cfg(any(target_os = "macos", target_os = "linux"))]
{
// On Unix-like systems, use pkill which has built-in pattern matching
@ -178,7 +160,7 @@ pub fn kill(pattern: &str) -> Result<String, ProcessError> {
.arg(pattern)
.output()
.map_err(ProcessError::CommandExecutionFailed)?;
// pkill returns 0 if processes were killed, 1 if none matched
if output.status.success() {
Ok("Successfully killed processes".to_string())
@ -186,47 +168,39 @@ pub fn kill(pattern: &str) -> Result<String, ProcessError> {
Ok("No matching processes found".to_string())
} else {
let error = String::from_utf8_lossy(&output.stderr);
Err(ProcessError::CommandFailed(format!(
"Failed to kill processes: {}",
error
)))
Err(ProcessError::CommandFailed(format!("Failed to kill processes: {}", error)))
}
}
}
/**
* List processes matching a pattern (or all if pattern is empty).
*
*
* # Arguments
*
*
* * `pattern` - The pattern to match against process names (empty string for all processes)
*
*
* # Returns
*
*
* * `Ok(Vec<ProcessInfo>)` - A vector of process information for matching processes
* * `Err(ProcessError)` - An error if the list operation failed
*
*
* # Examples
*
*
* ```
* // List all processes
* use sal::process::process_list;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* let processes = process_list("")?;
*
* // List processes with "server" in their name
* let processes = process_list("server")?;
* for proc in processes {
* println!("PID: {}, Name: {}", proc.pid, proc.name);
* }
* Ok(())
* let processes = process_list("")?;
*
* // List processes with "server" in their name
* let processes = process_list("server")?;
* for proc in processes {
* println!("PID: {}, Name: {}", proc.pid, proc.name);
* }
* ```
*/
pub fn process_list(pattern: &str) -> Result<Vec<ProcessInfo>, ProcessError> {
let mut processes = Vec::new();
// Platform specific implementations
#[cfg(target_os = "windows")]
{
@ -235,23 +209,22 @@ pub fn process_list(pattern: &str) -> Result<Vec<ProcessInfo>, ProcessError> {
.args(&["process", "list", "brief"])
.output()
.map_err(ProcessError::CommandExecutionFailed)?;
if output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
// Parse output (assuming format: Handle Name Priority)
for line in stdout.lines().skip(1) {
// Skip header
for line in stdout.lines().skip(1) { // Skip header
let parts: Vec<&str> = line.trim().split_whitespace().collect();
if parts.len() >= 2 {
let pid = parts[0].parse::<i64>().unwrap_or(0);
let name = parts[1].to_string();
// Filter by pattern if provided
if !pattern.is_empty() && !name.contains(pattern) {
continue;
}
processes.push(ProcessInfo {
pid,
name,
@ -262,13 +235,10 @@ pub fn process_list(pattern: &str) -> Result<Vec<ProcessInfo>, ProcessError> {
}
} else {
let stderr = String::from_utf8_lossy(&output.stderr).to_string();
return Err(ProcessError::CommandFailed(format!(
"Failed to list processes: {}",
stderr
)));
return Err(ProcessError::CommandFailed(format!("Failed to list processes: {}", stderr)));
}
}
#[cfg(any(target_os = "macos", target_os = "linux"))]
{
// Unix implementation using ps
@ -276,23 +246,22 @@ pub fn process_list(pattern: &str) -> Result<Vec<ProcessInfo>, ProcessError> {
.args(&["-eo", "pid,comm"])
.output()
.map_err(ProcessError::CommandExecutionFailed)?;
if output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
// Parse output (assuming format: PID COMMAND)
for line in stdout.lines().skip(1) {
// Skip header
for line in stdout.lines().skip(1) { // Skip header
let parts: Vec<&str> = line.trim().split_whitespace().collect();
if parts.len() >= 2 {
let pid = parts[0].parse::<i64>().unwrap_or(0);
let name = parts[1].to_string();
// Filter by pattern if provided
if !pattern.is_empty() && !name.contains(pattern) {
continue;
}
processes.push(ProcessInfo {
pid,
name,
@ -303,49 +272,38 @@ pub fn process_list(pattern: &str) -> Result<Vec<ProcessInfo>, ProcessError> {
}
} else {
let stderr = String::from_utf8_lossy(&output.stderr).to_string();
return Err(ProcessError::CommandFailed(format!(
"Failed to list processes: {}",
stderr
)));
return Err(ProcessError::CommandFailed(format!("Failed to list processes: {}", stderr)));
}
}
Ok(processes)
}
/**
* Get a single process matching the pattern (error if 0 or more than 1 match).
*
*
* # Arguments
*
*
* * `pattern` - The pattern to match against process names
*
*
* # Returns
*
*
* * `Ok(ProcessInfo)` - Information about the matching process
* * `Err(ProcessError)` - An error if no process or multiple processes match
*
*
* # Examples
*
* ```no_run
* use sal::process::process_get;
*
* fn main() -> Result<(), Box<dyn std::error::Error>> {
* let process = process_get("unique-server-name")?;
* println!("Found process: {} (PID: {})", process.name, process.pid);
* Ok(())
* }
*
* ```
* let process = process_get("unique-server-name")?;
* println!("Found process: {} (PID: {})", process.name, process.pid);
* ```
*/
pub fn process_get(pattern: &str) -> Result<ProcessInfo, ProcessError> {
let processes = process_list(pattern)?;
match processes.len() {
0 => Err(ProcessError::NoProcessFound(pattern.to_string())),
1 => Ok(processes[0].clone()),
_ => Err(ProcessError::MultipleProcessesFound(
pattern.to_string(),
processes.len(),
)),
_ => Err(ProcessError::MultipleProcessesFound(pattern.to_string(), processes.len())),
}
}

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