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waylume_server/TODO.md

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Waylume Server Node - Production Readiness TODO

Self-Managing Node Infrastructure

  • Automatic server registration in waylume_servers table
  • Continuous heartbeat monitoring and health reporting
  • Geolocation integration for client server selection
  • Zero-touch deployment with Docker
  • Self-recovery for WireGuard interface failures
  • Resource management and peer lifecycle automation
  • HIGH PRIORITY: Implement server load balancing registration
  • HIGH PRIORITY: Add automatic failover mechanisms
  • Multi-region deployment coordination
  • Server capacity monitoring and reporting
  • Automatic scaling triggers based on load

WireGuard Management (Core Service)

  • WireGuard interface initialization (wg0 on 10.0.0.1/24)
  • Dynamic peer creation with unique keys and IP assignments
  • Peer isolation enforcement (iptables rules)
  • Traffic control implementation (HTB-based speed limiting)
  • Data quota enforcement (iptables quota management)
  • Automatic peer cleanup and configuration removal
  • IP subnet management (10.0.0.2 - 10.255.255.254)
  • MEDIUM PRIORITY: WireGuard interface health monitoring
  • Peer connection quality metrics
  • Advanced traffic shaping policies
  • Network performance optimization

Internal API Endpoints (Supabase Edge Functions Only)

  • POST /api/peers (called by connection-request edge function)
  • POST /api/peers/delete (called by session cleanup processes)
  • POST /api/peers/speed-limit (called by subscription management)
  • POST /api/peers/data-cap (called by usage monitoring systems)
  • Basic error handling with HTTP status codes
  • JSON request/response handling
  • Input validation for required parameters
  • MEDIUM PRIORITY: GET /api/peers (for internal monitoring)
  • MEDIUM PRIORITY: GET /api/peers/{id} (for session management)
  • LOW PRIORITY: Add pagination for peer listings
  • Server health endpoints for load balancer integration
  • Internal metrics endpoints for monitoring systems
  • Peer connection quality reporting endpoints
  • LOW PRIORITY: API versioning strategy
  • LOW PRIORITY: OpenAPI documentation for internal APIs

Supabase Edge Functions Integration

  • Integration with connection-request function for peer creation
  • Session tracking through vpn_sessions table
  • Configuration delivery through Supabase to Flutter clients
  • Server registration in waylume_servers table for vpn-nodes-list
  • HIGH PRIORITY: Implement proper edge function authentication
  • HIGH PRIORITY: Add request validation from edge functions
  • MEDIUM PRIORITY: Implement edge function request signing
  • Circuit breaker for Supabase connectivity issues
  • Retry logic for failed edge function communications
  • Edge function timeout handling
  • Rate limiting coordination with edge functions

Ecosystem Integration (Flutter Client & Supabase)

  • Server discovery through vpn-nodes-list edge function
  • Geolocation data provision for Flutter map interface
  • VPN session creation workflow with client
  • Heartbeat system for server availability status
  • MEDIUM PRIORITY: Integration with subscription management (speed-limit/data-cap)
  • MEDIUM PRIORITY: Support for Stripe-driven service tier enforcement
  • LOW PRIORITY: Real-time connection status updates to client
  • LOW PRIORITY: Usage analytics reporting for client dashboard
  • Support for payment history and account management flows
  • Integration with trial period and subscription state changes

Security & Network Isolation

  • Port 3000 restricted to internal access (no direct client access)
  • Peer isolation through iptables rules
  • WireGuard peer-to-peer communication prevention
  • HIGH PRIORITY: Network firewall rules for Supabase-only access
  • HIGH PRIORITY: Implement secure communication with edge functions
  • MEDIUM PRIORITY: Add request origin validation
  • Security audit of iptables rules and WireGuard configuration
  • Implement secure key storage and rotation
  • Network segmentation for additional security
  • Intrusion detection for API access patterns

Monitoring & Observability

  • Basic request logging with timestamps
  • Client IP and user agent tracking
  • VPN session monitoring and health checks
  • Connection status detection (alive/dead peers)
  • HIGH PRIORITY: Add comprehensive health check endpoints for load balancers
  • Implement metrics collection (Prometheus/OpenTelemetry)
  • Add structured logging with log levels
  • Monitor WireGuard interface status
  • Track peer connection metrics and analytics
  • Implement alerting for server issues
  • Add distributed tracing support
  • Resource usage monitoring (CPU, memory, network)

Error Handling & Resilience

  • Basic API error responses
  • Process error handling for system commands
  • Graceful degradation for missing WireGuard tools
  • HIGH PRIORITY: Implement graceful shutdown handling
  • Add retry logic for Supabase operations
  • Improve error responses with more detailed messages
  • Add circuit breaker pattern for external dependencies
  • Implement backup/recovery procedures
  • Handle WireGuard interface failures
  • Add database connection pooling and failover

Configuration Management

  • Environment variable support (.env files)
  • Docker environment configuration
  • Supabase client configuration
  • Automatic environment detection
  • MEDIUM PRIORITY: Configuration validation on startup
  • Move hardcoded values to configuration files
  • Add environment-specific configurations
  • Add support for configuration hot-reloading
  • Document all environment variables
  • Add configuration templates for different deployments

Docker & Infrastructure

  • Complete Docker setup with WireGuard tools
  • Network capabilities (NET_ADMIN) configuration
  • Device access (/dev/net/tun) mapping
  • Port mapping (API 3000, WireGuard 51820)
  • Volume mounting for WireGuard runtime
  • Restart policy configuration
  • Multi-stage Docker builds for smaller images
  • Add Kubernetes deployment manifests
  • Implement blue-green deployment strategy
  • Container security scanning in CI/CD
  • Infrastructure as code (Terraform/CloudFormation)
  • Multi-region deployment support

Performance & Scalability

  • Efficient peer creation/deletion operations
  • Optimized traffic control implementation
  • Implement connection pooling for database operations
  • Add caching layer for frequently accessed data
  • Load testing and performance benchmarking
  • Implement horizontal scaling strategies
  • Optimize memory usage and garbage collection
  • Performance monitoring and profiling

Testing & Quality Assurance

  • Basic API endpoint testing script
  • End-to-end workflow testing
  • Response validation testing
  • Add unit tests for all services
  • Implement integration tests
  • Add automated testing in CI/CD pipeline
  • Load testing for concurrent connections
  • Security penetration testing
  • Performance regression testing

Data Management

  • Session monitoring and peer tracking
  • Implement persistent peer data storage
  • Add peer usage analytics and reporting
  • Implement data retention policies
  • Add data backup and recovery procedures
  • Implement audit logging for compliance
  • Add peer lifecycle management

Documentation & Compliance

  • Comprehensive README with API examples
  • Docker deployment instructions
  • Network architecture documentation
  • Add deployment guides for different platforms
  • Create troubleshooting documentation
  • Add detailed API documentation with examples
  • Document security best practices
  • Add compliance documentation (GDPR, etc.)
  • Create operational runbooks

High Priority for Production (Self-Managing Node)

  1. 🔴 CRITICAL: Edge function authentication and request validation
  2. 🔴 CRITICAL: Network firewall rules (Supabase-only access)
  3. 🔴 CRITICAL: Server load balancing and failover mechanisms
  4. 🟡 HIGH: Health check endpoints for load balancers
  5. 🟡 HIGH: Graceful shutdown and recovery handling
  6. 🟡 HIGH: Comprehensive monitoring and alerting
  7. 🟡 HIGH: Automated scaling triggers
  8. 🟡 HIGH: Circuit breaker for Supabase connectivity

Current Status Summary (Waylume Node Architecture)

Self-Managing Foundation: Zero-touch deployment with automatic registration
WireGuard Service: Complete VPN functionality with traffic control and isolation
Supabase Integration: Edge function integration with session management
Docker Infrastructure: Production-ready containerization with network capabilities
Monitoring Base: Heartbeat system with basic session tracking
⚠️ Security Architecture: No edge function authentication or network isolation
⚠️ Resilience Gap: No failover, circuit breakers, or scaling automation
⚠️ Observability Gap: Basic logging only, no metrics or comprehensive health checks