# build.func Architecture Guide ## Overview This document provides a high-level architectural overview of `build.func`, including module dependencies, data flow, integration points, and system architecture. ## High-Level Architecture ``` ┌─────────────────────────────────────────────────────────────────────────────────┐ │ Proxmox Host System │ │ │ │ ┌─────────────────────────────────────────────────────────────────────────────┐ │ │ │ build.func │ │ │ │ │ │ │ │ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────────────────┐ │ │ │ │ │ Entry Point │ │ Configuration │ │ Container Creation │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ • start() │ │ • variables() │ │ • build_container() │ │ │ │ │ │ • install_ │ │ • base_ │ │ • create_lxc_container() │ │ │ │ │ │ script() │ │ settings() │ │ • configure_gpu_ │ │ │ │ │ │ • advanced_ │ │ • select_ │ │ passthrough() │ │ │ │ │ │ settings() │ │ storage() │ │ • fix_gpu_gids() │ │ │ │ │ └─────────────────┘ └─────────────────┘ └─────────────────────────────┘ │ │ │ └─────────────────────────────────────────────────────────────────────────────┘ │ │ │ │ ┌─────────────────────────────────────────────────────────────────────────────┐ │ │ │ Module Dependencies │ │ │ │ │ │ │ │ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────────────────┐ │ │ │ │ │ core.func │ │ error_handler. │ │ api.func │ │ │ │ │ │ │ │ func │ │ │ │ │ │ │ │ • Basic │ │ • Error │ │ • Proxmox API │ │ │ │ │ │ utilities │ │ handling │ │ interactions │ │ │ │ │ │ • Common │ │ • Error │ │ • Container │ │ │ │ │ │ functions │ │ recovery │ │ management │ │ │ │ │ │ • System │ │ • Cleanup │ │ • Status │ │ │ │ │ │ utilities │ │ functions │ │ monitoring │ │ │ │ │ └─────────────────┘ └─────────────────┘ └─────────────────────────────┘ │ │ │ │ │ │ │ │ ┌─────────────────────────────────────────────────────────────────────────┐ │ │ │ │ │ tools.func │ │ │ │ │ │ │ │ │ │ │ │ • Additional utilities │ │ │ │ │ │ • Helper functions │ │ │ │ │ │ • System tools │ │ │ │ │ └─────────────────────────────────────────────────────────────────────────┘ │ │ │ └─────────────────────────────────────────────────────────────────────────────┘ │ └─────────────────────────────────────────────────────────────────────────────────┘ ``` ## Module Dependencies ### Core Dependencies ``` build.func Dependencies: ├── core.func │ ├── Basic system utilities │ ├── Common functions │ ├── System information │ └── File operations ├── error_handler.func │ ├── Error handling │ ├── Error recovery │ ├── Cleanup functions │ └── Error logging ├── api.func │ ├── Proxmox API interactions │ ├── Container management │ ├── Status monitoring │ └── Configuration updates └── tools.func ├── Additional utilities ├── Helper functions ├── System tools └── Custom functions ``` ### Dependency Flow ``` Dependency Flow: ├── build.func │ ├── Sources core.func │ ├── Sources error_handler.func │ ├── Sources api.func │ └── Sources tools.func ├── core.func │ ├── Basic utilities │ └── System functions ├── error_handler.func │ ├── Error management │ └── Recovery functions ├── api.func │ ├── Proxmox integration │ └── Container operations └── tools.func ├── Additional tools └── Helper functions ``` ## Data Flow Architecture ### Configuration Data Flow ``` Configuration Data Flow: ├── Environment Variables │ ├── Hard environment variables │ ├── App-specific .vars │ ├── Global default.vars │ └── Built-in defaults ├── Variable Resolution │ ├── Apply precedence chain │ ├── Validate settings │ └── Resolve conflicts ├── Configuration Storage │ ├── Memory variables │ ├── Temporary files │ └── Persistent storage └── Configuration Usage ├── Container creation ├── Feature configuration └── Settings persistence ``` ### Container Data Flow ``` Container Data Flow: ├── Input Data │ ├── Configuration variables │ ├── Resource specifications │ ├── Network settings │ └── Storage requirements ├── Processing │ ├── Validation │ ├── Conflict resolution │ ├── Resource allocation │ └── Configuration generation ├── Container Creation │ ├── LXC container creation │ ├── Network configuration │ ├── Storage setup │ └── Feature configuration └── Output ├── Container status ├── Access information ├── Configuration files └── Log files ``` ## Integration Architecture ### With Proxmox System ``` Proxmox Integration: ├── Proxmox Host │ ├── LXC container management │ ├── Storage management │ ├── Network management │ └── Resource management ├── Proxmox API │ ├── Container operations │ ├── Configuration updates │ ├── Status monitoring │ └── Error handling ├── Proxmox Configuration │ ├── /etc/pve/lxc/.conf │ ├── Storage configuration │ ├── Network configuration │ └── Resource configuration └── Proxmox Services ├── Container services ├── Network services ├── Storage services └── Monitoring services ``` ### With Install Scripts ``` Install Script Integration: ├── build.func │ ├── Creates container │ ├── Configures basic settings │ ├── Starts container │ └── Provides access ├── Install Scripts │ ├── -install.sh │ ├── Downloads application │ ├── Configures application │ └── Sets up services ├── Container │ ├── Running application │ ├── Configured services │ ├── Network access │ └── Storage access └── Integration Points ├── Container creation ├── Network configuration ├── Storage setup └── Service configuration ``` ## System Architecture Components ### Core Components ``` System Components: ├── Entry Point │ ├── start() function │ ├── Context detection │ ├── Environment capture │ └── Workflow routing ├── Configuration Management │ ├── Variable resolution │ ├── Settings persistence │ ├── Default management │ └── Validation ├── Container Creation │ ├── LXC container creation │ ├── Network configuration │ ├── Storage setup │ └── Feature configuration ├── Hardware Integration │ ├── GPU passthrough │ ├── USB passthrough │ ├── Storage management │ └── Network management └── Error Handling ├── Error detection ├── Error recovery ├── Cleanup functions └── User notification ``` ### User Interface Components ``` UI Components: ├── Menu System │ ├── Installation mode selection │ ├── Configuration menus │ ├── Storage selection │ └── GPU configuration ├── Interactive Elements │ ├── Whiptail menus │ ├── User prompts │ ├── Confirmation dialogs │ └── Error messages ├── Non-Interactive Mode │ ├── Environment variable driven │ ├── Silent execution │ ├── Automated configuration │ └── Error handling └── Output ├── Status messages ├── Progress indicators ├── Completion information └── Access details ``` ## Security Architecture ### Security Considerations ``` Security Architecture: ├── Container Security │ ├── Unprivileged containers (default) │ ├── Privileged containers (when needed) │ ├── Resource limits │ └── Access controls ├── Network Security │ ├── Network isolation │ ├── VLAN support │ ├── Firewall integration │ └── Access controls ├── Storage Security │ ├── Storage isolation │ ├── Access controls │ ├── Encryption support │ └── Backup integration ├── GPU Security │ ├── Device isolation │ ├── Permission management │ ├── Access controls │ └── Security validation └── API Security ├── Authentication ├── Authorization ├── Input validation └── Error handling ``` ## Performance Architecture ### Performance Considerations ``` Performance Architecture: ├── Execution Optimization │ ├── Parallel operations │ ├── Efficient algorithms │ ├── Minimal user interaction │ └── Optimized validation ├── Resource Management │ ├── Memory efficiency │ ├── CPU optimization │ ├── Disk usage optimization │ └── Network efficiency ├── Caching │ ├── Configuration caching │ ├── Template caching │ ├── Storage caching │ └── GPU detection caching └── Monitoring ├── Performance monitoring ├── Resource monitoring ├── Error monitoring └── Status monitoring ``` ## Deployment Architecture ### Deployment Scenarios ``` Deployment Scenarios: ├── Single Container │ ├── Individual application │ ├── Standard configuration │ ├── Basic networking │ └── Standard storage ├── Multiple Containers │ ├── Application stack │ ├── Shared networking │ ├── Shared storage │ └── Coordinated deployment ├── High Availability │ ├── Redundant containers │ ├── Load balancing │ ├── Failover support │ └── Monitoring integration └── Development Environment ├── Development containers ├── Testing containers ├── Staging containers └── Production containers ``` ## Maintenance Architecture ### Maintenance Components ``` Maintenance Architecture: ├── Updates │ ├── Container updates │ ├── Application updates │ ├── Configuration updates │ └── Security updates ├── Monitoring │ ├── Container monitoring │ ├── Resource monitoring │ ├── Performance monitoring │ └── Error monitoring ├── Backup │ ├── Configuration backup │ ├── Container backup │ ├── Storage backup │ └── Recovery procedures └── Troubleshooting ├── Error diagnosis ├── Log analysis ├── Performance analysis └── Recovery procedures ``` ## Future Architecture Considerations ### Scalability ``` Scalability Considerations: ├── Horizontal Scaling │ ├── Multiple containers │ ├── Load balancing │ ├── Distributed deployment │ └── Resource distribution ├── Vertical Scaling │ ├── Resource scaling │ ├── Performance optimization │ ├── Capacity planning │ └── Resource management ├── Automation │ ├── Automated deployment │ ├── Automated scaling │ ├── Automated monitoring │ └── Automated recovery └── Integration ├── External systems ├── Cloud integration ├── Container orchestration └── Service mesh ```