herolib/lib/core/base

Context & Sessions

Everything we do in hero lives in a context, each context has a unique name and ID. A context can have multiple sessions, where each session represents a specific execution environment.

Context

Each context has:

• A unique ID and name
• Secret management (encrypted)
• Database collection
• Configuration storage
• Code root path
• Parameters

Sessions

Sessions exist within a context and provide:

• Unique name within the context
• Interactive mode control
• Environment variables
• Start/End time tracking
• Parameter storage
• Database access
• Logging

Storage Structure

Redis is used to manage contexts and sessions:

• Redis DB X (where X is context ID):
  • context:config - JSON encoded context configuration
  • sessions:config:$name - JSON encoded session configuration for each session

Database Structure

Each context has a database collection located at ~/hero/db/$contextid/. Within this:

• Each session gets its own database named session_$name
• A shared config database exists for context-wide configuration

Hero Configuration

Contexts support hero-specific configuration files:

• Stored at ~/hero/context/$contextname/$category__$name.yaml
• Supports categories for organization
• Automatically handles shell expansions

Example Usage

import freeflowuniverse.herolib.core.base

// Create a new context
mut context := context_new(
    id: 1
    name: 'mycontext'
    coderoot: '/tmp/code'
    interactive: true
)!

// Create a new session in the context
mut session := session_new(
    context: context
    name: 'mysession1'
    interactive: true
)!

// Work with environment variables
session.env_set('KEY', 'value')!
value := session.env_get('KEY')!

// Work with hero config
context.hero_config_set('category', 'name', 'content')!
content := context.hero_config_get('category', 'name')!

// Access session database
mut db := session.db_get()!

// Access context-wide config database
mut config_db := session.db_config_get()!

Security

• Context secrets are stored as MD5 hashes
• Support for encryption of sensitive data
• Interactive secret configuration available

File Structure

Each context and session has its own directory structure:

• Context root: ~/hero/context/$contextname/
• Session directory: ~/hero/context/$contextname/$sessionname/

This structure helps organize configuration files, logs, and other session-specific data.

Logging

Each session has its own logger:

mut logger := session.logger()!
logger.log(log:'My log message')

For detailed logging capabilities and options, see the logger documentation in lib/core/logger/readme.md.