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This commit is contained in:
Timur Gordon
2025-08-08 09:54:50 +02:00
parent e66bee09cf
commit 89a3abee63
78 changed files with 12411 additions and 423 deletions
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134
examples/scripts/kubernetes/clusters/generic.rs Normal file
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//! Generic Application Deployment Example
//!
//! This example shows how to deploy any containerized application using the
//! KubernetesManager convenience methods. This works for any Docker image.
use sal_kubernetes::KubernetesManager;
use std::collections::HashMap;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create Kubernetes manager
let km = KubernetesManager::new("default").await?;
// Clean up any existing resources first
println!("=== Cleaning up existing resources ===");
let apps_to_clean = ["web-server", "node-app", "mongodb"];
for app in &apps_to_clean {
match km.deployment_delete(app).await {
Ok(_) => println!("✓ Deleted existing deployment: {}", app),
Err(_) => println!("✓ No existing deployment to delete: {}", app),
}
match km.service_delete(app).await {
Ok(_) => println!("✓ Deleted existing service: {}", app),
Err(_) => println!("✓ No existing service to delete: {}", app),
}
}
// Example 1: Simple web server deployment
println!("\n=== Example 1: Simple Nginx Web Server ===");
km.deploy_application("web-server", "nginx:latest", 2, 80, None, None)
.await?;
println!("✅ Nginx web server deployed!");
// Example 2: Node.js application with labels
println!("\n=== Example 2: Node.js Application ===");
let mut node_labels = HashMap::new();
node_labels.insert("app".to_string(), "node-app".to_string());
node_labels.insert("tier".to_string(), "backend".to_string());
node_labels.insert("environment".to_string(), "production".to_string());
// Configure Node.js environment variables
let mut node_env_vars = HashMap::new();
node_env_vars.insert("NODE_ENV".to_string(), "production".to_string());
node_env_vars.insert("PORT".to_string(), "3000".to_string());
node_env_vars.insert("LOG_LEVEL".to_string(), "info".to_string());
node_env_vars.insert("MAX_CONNECTIONS".to_string(), "1000".to_string());
km.deploy_application(
"node-app", // name
"node:18-alpine", // image
3, // replicas - scale to 3 instances
3000, // port
Some(node_labels), // labels
Some(node_env_vars), // environment variables
)
.await?;
println!("✅ Node.js application deployed!");
// Example 3: Database deployment (any database)
println!("\n=== Example 3: MongoDB Database ===");
let mut mongo_labels = HashMap::new();
mongo_labels.insert("app".to_string(), "mongodb".to_string());
mongo_labels.insert("type".to_string(), "database".to_string());
mongo_labels.insert("engine".to_string(), "mongodb".to_string());
// Configure MongoDB environment variables
let mut mongo_env_vars = HashMap::new();
mongo_env_vars.insert(
"MONGO_INITDB_ROOT_USERNAME".to_string(),
"admin".to_string(),
);
mongo_env_vars.insert(
"MONGO_INITDB_ROOT_PASSWORD".to_string(),
"mongopassword".to_string(),
);
mongo_env_vars.insert("MONGO_INITDB_DATABASE".to_string(), "myapp".to_string());
km.deploy_application(
"mongodb", // name
"mongo:6.0", // image
1, // replicas - single instance for simplicity
27017, // port
Some(mongo_labels), // labels
Some(mongo_env_vars), // environment variables
)
.await?;
println!("✅ MongoDB deployed!");
// Check status of all deployments
println!("\n=== Checking Deployment Status ===");
let deployments = km.deployments_list().await?;
for deployment in &deployments {
if let Some(name) = &deployment.metadata.name {
let total_replicas = deployment
.spec
.as_ref()
.and_then(|s| s.replicas)
.unwrap_or(0);
let ready_replicas = deployment
.status
.as_ref()
.and_then(|s| s.ready_replicas)
.unwrap_or(0);
println!(
"{}: {}/{} replicas ready",
name, ready_replicas, total_replicas
);
}
}
println!("\n🎉 All deployments completed!");
println!("\n💡 Key Points:");
println!(" • Any Docker image can be deployed using this simple interface");
println!(" • Use labels to organize and identify your applications");
println!(
" • The same method works for databases, web servers, APIs, and any containerized app"
);
println!(" • For advanced configuration, use the individual KubernetesManager methods");
println!(
" • Environment variables and resource limits can be added via direct Kubernetes API"
);
Ok(())
}

79
examples/scripts/kubernetes/clusters/postgres.rhai Normal file
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//! PostgreSQL Cluster Deployment Example (Rhai)
//!
//! This script shows how to deploy a PostgreSQL cluster using Rhai scripting
//! with the KubernetesManager convenience methods.
print("=== PostgreSQL Cluster Deployment ===");
// Create Kubernetes manager for the database namespace
print("Creating Kubernetes manager for 'database' namespace...");
let km = kubernetes_manager_new("database");
print("✓ Kubernetes manager created");
// Create the namespace if it doesn't exist
print("Creating namespace 'database' if it doesn't exist...");
try {
create_namespace(km, "database");
print("✓ Namespace 'database' created");
} catch(e) {
if e.to_string().contains("already exists") {
print("✓ Namespace 'database' already exists");
} else {
print("⚠️ Warning: " + e);
}
}
// Clean up any existing resources first
print("\nCleaning up any existing PostgreSQL resources...");
try {
delete_deployment(km, "postgres-cluster");
print("✓ Deleted existing deployment");
} catch(e) {
print("✓ No existing deployment to delete");
}
try {
delete_service(km, "postgres-cluster");
print("✓ Deleted existing service");
} catch(e) {
print("✓ No existing service to delete");
}
// Create PostgreSQL cluster using the convenience method
print("\nDeploying PostgreSQL cluster...");
try {
// Deploy PostgreSQL using the convenience method
let result = deploy_application(km, "postgres-cluster", "postgres:15", 2, 5432, #{
"app": "postgres-cluster",
"type": "database",
"engine": "postgresql"
}, #{
"POSTGRES_DB": "myapp",
"POSTGRES_USER": "postgres",
"POSTGRES_PASSWORD": "secretpassword",
"PGDATA": "/var/lib/postgresql/data/pgdata"
});
print("✓ " + result);
print("\n✅ PostgreSQL cluster deployed successfully!");
print("\n📋 Connection Information:");
print(" Host: postgres-cluster.database.svc.cluster.local");
print(" Port: 5432");
print(" Database: postgres (default)");
print(" Username: postgres (default)");
print("\n🔧 To connect from another pod:");
print(" psql -h postgres-cluster.database.svc.cluster.local -U postgres");
print("\n💡 Next steps:");
print(" • Set POSTGRES_PASSWORD environment variable");
print(" • Configure persistent storage");
print(" • Set up backup and monitoring");
} catch(e) {
print("❌ Failed to deploy PostgreSQL cluster: " + e);
}
print("\n=== Deployment Complete ===");

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examples/scripts/kubernetes/clusters/postgres.rs Normal file
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//! PostgreSQL Cluster Deployment Example
//!
//! This example shows how to deploy a PostgreSQL cluster using the
//! KubernetesManager convenience methods.
use sal_kubernetes::KubernetesManager;
use std::collections::HashMap;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create Kubernetes manager for the database namespace
let km = KubernetesManager::new("database").await?;
// Create the namespace if it doesn't exist
println!("Creating namespace 'database' if it doesn't exist...");
match km.namespace_create("database").await {
Ok(_) => println!("✓ Namespace 'database' created"),
Err(e) => {
if e.to_string().contains("already exists") {
println!("✓ Namespace 'database' already exists");
} else {
return Err(e.into());
}
}
}
// Clean up any existing resources first
println!("Cleaning up any existing PostgreSQL resources...");
match km.deployment_delete("postgres-cluster").await {
Ok(_) => println!("✓ Deleted existing deployment"),
Err(_) => println!("✓ No existing deployment to delete"),
}
match km.service_delete("postgres-cluster").await {
Ok(_) => println!("✓ Deleted existing service"),
Err(_) => println!("✓ No existing service to delete"),
}
// Configure PostgreSQL-specific labels
let mut labels = HashMap::new();
labels.insert("app".to_string(), "postgres-cluster".to_string());
labels.insert("type".to_string(), "database".to_string());
labels.insert("engine".to_string(), "postgresql".to_string());
// Configure PostgreSQL environment variables
let mut env_vars = HashMap::new();
env_vars.insert("POSTGRES_DB".to_string(), "myapp".to_string());
env_vars.insert("POSTGRES_USER".to_string(), "postgres".to_string());
env_vars.insert(
"POSTGRES_PASSWORD".to_string(),
"secretpassword".to_string(),
);
env_vars.insert(
"PGDATA".to_string(),
"/var/lib/postgresql/data/pgdata".to_string(),
);
// Deploy the PostgreSQL cluster using the convenience method
println!("Deploying PostgreSQL cluster...");
km.deploy_application(
"postgres-cluster", // name
"postgres:15", // image
2, // replicas (1 master + 1 replica)
5432, // port
Some(labels), // labels
Some(env_vars), // environment variables
)
.await?;
println!("✅ PostgreSQL cluster deployed successfully!");
// Check deployment status
let deployments = km.deployments_list().await?;
let postgres_deployment = deployments
.iter()
.find(|d| d.metadata.name.as_ref() == Some(&"postgres-cluster".to_string()));
if let Some(deployment) = postgres_deployment {
let total_replicas = deployment
.spec
.as_ref()
.and_then(|s| s.replicas)
.unwrap_or(0);
let ready_replicas = deployment
.status
.as_ref()
.and_then(|s| s.ready_replicas)
.unwrap_or(0);
println!(
"Deployment status: {}/{} replicas ready",
ready_replicas, total_replicas
);
}
println!("\n📋 Connection Information:");
println!(" Host: postgres-cluster.database.svc.cluster.local");
println!(" Port: 5432");
println!(" Database: postgres (default)");
println!(" Username: postgres (default)");
println!(" Password: Set POSTGRES_PASSWORD environment variable");
println!("\n🔧 To connect from another pod:");
println!(" psql -h postgres-cluster.database.svc.cluster.local -U postgres");
println!("\n💡 Next steps:");
println!(" • Set environment variables for database credentials");
println!(" • Add persistent volume claims for data storage");
println!(" • Configure backup and monitoring");
Ok(())
}

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examples/scripts/kubernetes/clusters/redis.rhai Normal file
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//! Redis Cluster Deployment Example (Rhai)
//!
//! This script shows how to deploy a Redis cluster using Rhai scripting
//! with the KubernetesManager convenience methods.
print("=== Redis Cluster Deployment ===");
// Create Kubernetes manager for the cache namespace
print("Creating Kubernetes manager for 'cache' namespace...");
let km = kubernetes_manager_new("cache");
print("✓ Kubernetes manager created");
// Create the namespace if it doesn't exist
print("Creating namespace 'cache' if it doesn't exist...");
try {
create_namespace(km, "cache");
print("✓ Namespace 'cache' created");
} catch(e) {
if e.to_string().contains("already exists") {
print("✓ Namespace 'cache' already exists");
} else {
print("⚠️ Warning: " + e);
}
}
// Clean up any existing resources first
print("\nCleaning up any existing Redis resources...");
try {
delete_deployment(km, "redis-cluster");
print("✓ Deleted existing deployment");
} catch(e) {
print("✓ No existing deployment to delete");
}
try {
delete_service(km, "redis-cluster");
print("✓ Deleted existing service");
} catch(e) {
print("✓ No existing service to delete");
}
// Create Redis cluster using the convenience method
print("\nDeploying Redis cluster...");
try {
// Deploy Redis using the convenience method
let result = deploy_application(km, "redis-cluster", "redis:7-alpine", 3, 6379, #{
"app": "redis-cluster",
"type": "cache",
"engine": "redis"
}, #{
"REDIS_PASSWORD": "redispassword",
"REDIS_PORT": "6379",
"REDIS_DATABASES": "16",
"REDIS_MAXMEMORY": "256mb",
"REDIS_MAXMEMORY_POLICY": "allkeys-lru"
});
print("✓ " + result);
print("\n✅ Redis cluster deployed successfully!");
print("\n📋 Connection Information:");
print(" Host: redis-cluster.cache.svc.cluster.local");
print(" Port: 6379");
print("\n🔧 To connect from another pod:");
print(" redis-cli -h redis-cluster.cache.svc.cluster.local");
print("\n💡 Next steps:");
print(" • Configure Redis authentication");
print(" • Set up Redis clustering configuration");
print(" • Add persistent storage");
print(" • Configure memory policies");
} catch(e) {
print("❌ Failed to deploy Redis cluster: " + e);
}
print("\n=== Deployment Complete ===");

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examples/scripts/kubernetes/clusters/redis.rs Normal file
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//! Redis Cluster Deployment Example
//!
//! This example shows how to deploy a Redis cluster using the
//! KubernetesManager convenience methods.
use sal_kubernetes::KubernetesManager;
use std::collections::HashMap;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create Kubernetes manager for the cache namespace
let km = KubernetesManager::new("cache").await?;
// Create the namespace if it doesn't exist
println!("Creating namespace 'cache' if it doesn't exist...");
match km.namespace_create("cache").await {
Ok(_) => println!("✓ Namespace 'cache' created"),
Err(e) => {
if e.to_string().contains("already exists") {
println!("✓ Namespace 'cache' already exists");
} else {
return Err(e.into());
}
}
}
// Clean up any existing resources first
println!("Cleaning up any existing Redis resources...");
match km.deployment_delete("redis-cluster").await {
Ok(_) => println!("✓ Deleted existing deployment"),
Err(_) => println!("✓ No existing deployment to delete"),
}
match km.service_delete("redis-cluster").await {
Ok(_) => println!("✓ Deleted existing service"),
Err(_) => println!("✓ No existing service to delete"),
}
// Configure Redis-specific labels
let mut labels = HashMap::new();
labels.insert("app".to_string(), "redis-cluster".to_string());
labels.insert("type".to_string(), "cache".to_string());
labels.insert("engine".to_string(), "redis".to_string());
// Configure Redis environment variables
let mut env_vars = HashMap::new();
env_vars.insert("REDIS_PASSWORD".to_string(), "redispassword".to_string());
env_vars.insert("REDIS_PORT".to_string(), "6379".to_string());
env_vars.insert("REDIS_DATABASES".to_string(), "16".to_string());
env_vars.insert("REDIS_MAXMEMORY".to_string(), "256mb".to_string());
env_vars.insert(
"REDIS_MAXMEMORY_POLICY".to_string(),
"allkeys-lru".to_string(),
);
// Deploy the Redis cluster using the convenience method
println!("Deploying Redis cluster...");
km.deploy_application(
"redis-cluster", // name
"redis:7-alpine", // image
3, // replicas (Redis cluster nodes)
6379, // port
Some(labels), // labels
Some(env_vars), // environment variables
)
.await?;
println!("✅ Redis cluster deployed successfully!");
// Check deployment status
let deployments = km.deployments_list().await?;
let redis_deployment = deployments
.iter()
.find(|d| d.metadata.name.as_ref() == Some(&"redis-cluster".to_string()));
if let Some(deployment) = redis_deployment {
let total_replicas = deployment
.spec
.as_ref()
.and_then(|s| s.replicas)
.unwrap_or(0);
let ready_replicas = deployment
.status
.as_ref()
.and_then(|s| s.ready_replicas)
.unwrap_or(0);
println!(
"Deployment status: {}/{} replicas ready",
ready_replicas, total_replicas
);
}
println!("\n📋 Connection Information:");
println!(" Host: redis-cluster.cache.svc.cluster.local");
println!(" Port: 6379");
println!(" Password: Configure REDIS_PASSWORD environment variable");
println!("\n🔧 To connect from another pod:");
println!(" redis-cli -h redis-cluster.cache.svc.cluster.local");
println!("\n💡 Next steps:");
println!(" • Configure Redis authentication with environment variables");
println!(" • Set up Redis clustering configuration");
println!(" • Add persistent volume claims for data persistence");
println!(" • Configure memory limits and eviction policies");
Ok(())
}