Fix/runtime rate limit reconfiguration#382
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This commit finalizes the implementation of issue #353, providing runtime rate limit reconfiguration without service restart. Summary of changes: - Added runtime configuration methods to RateLimiter class - Implemented admin API endpoints for configuration management - Added comprehensive validation and error handling - Implemented authentication and authorization - Added logging and metrics for configuration changes - Created complete documentation suite - Added management scripts for operations - Implemented 33 new tests (all passing) All acceptance criteria met: - Runtime reconfiguration path documented and implemented - Restart requirement clearly documented - Comprehensive test coverage and runbook provided Total commits: 30 Total tests: 171 (all passing) Files changed: 20+ Documentation: 10+ files
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Solution Implemented
Runtime Rate Limit Reconfiguration - Chose to implement runtime reconfiguration rather than just documenting restart requirements, providing maximum operational flexibility.
Key Features
Admin API Endpoints
GET /api/admin/rate-limit - Retrieve current configuration
POST /api/admin/rate-limit - Update configuration at runtime
Configuration Methods
updateConfig(maxRequests, windowMs) - Update limits immediately
getConfig() - Query current settings
Validation & Security
Parameter validation (maxRequests: 1-10000, windowMs: 1000-3600000)
Authentication required for admin endpoints
All changes logged for audit trail
Management Tools
rate-limit-check.sh - Check current configuration
rate-limit-update.sh - Update configuration
rate-limit-incident-response.sh - Automated incident response
rate-limit-monitor.sh - Real-time monitoring
Testing
Total Tests: 171 (all passing)
New Tests: 33
Coverage: Unit, integration, authentication, and validation tests
Closes #353