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180c57c35b93549083ce518bff1d60cd79580b81
logcorrelator/CHANGELOG.md
Jacquin Antoine 180c57c35b chore: release v1.0.2 with critical fixes and test improvements 
- fix: add missing ClickHouse driver dependency
- fix: resolve race condition in orchestrator (single goroutine per source)
- feat: add explicit source_type config for Unix socket sources
- test: improve coverage from 50.6% to 62.0%
- docs: add CHANGELOG.md with release notes
- build: update version to 1.0.2 in build scripts and Dockerfiles

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>
2026-02-28 21:45:00 +01:00

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Changelog

All notable changes to logcorrelator are documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[1.0.2] - 2026-02-28

Fixed

  • Critical: Added missing ClickHouse driver dependency (github.com/ClickHouse/clickhouse-go/v2)
  • Critical: Fixed race condition in orchestrator - reduced from two goroutines to one per source
  • Security: Added explicit source_type configuration for Unix socket sources to prevent source detection spoofing

Changed

  • Unix socket sources now support explicit source_type field in configuration:
    • "A" or "apache" or "http" for Apache/HTTP logs
    • "B" or "network" or "net" for network logs
    • Empty string "" for automatic detection (backward compatible)
  • Updated example configuration (config.example.yml) with source_type documentation

Added

  • Comprehensive test suite improvements:
    • Added tests for source type detection (explicit + auto-detect fallback)
    • Added tests for config validation (duplicate names/paths, empty fields, ClickHouse settings)
    • Added tests for helper functions (getString, getInt, getInt64)
    • Added tests for port validation in JSON parsing
    • Added tests for MultiSink Flush/Close operations
    • Added tests for FileSink path validation and file operations
    • Added tests for CorrelationService buffer management and flush behavior
  • Test coverage improved from 50.6% to 62.0%
  • All tests now pass with race detector enabled

Technical Debt

  • Fixed unused variable in TestCorrelationService_FlushWithEvents
  • Added proper error handling for buffer overflow scenarios
  • Improved code documentation in configuration examples

[1.0.1] - 2026-02-28

Added

  • Initial RPM packaging support for Rocky Linux 8/9 and AlmaLinux 10
  • Docker multi-stage build pipeline
  • Hexagonal architecture implementation
  • Unix socket input sources (JSON line protocol)
  • File output sink (JSON lines)
  • ClickHouse output sink with batching and retry logic
  • MultiSink for fan-out to multiple destinations
  • Time-window based correlation on src_ip + src_port
  • Graceful shutdown with signal handling (SIGINT, SIGTERM)
  • Configuration validation with sensible defaults
  • Basic observability (structured logging to stderr)

Configuration

  • YAML-based configuration file
  • Support for multiple Unix socket inputs
  • Configurable time window for correlation
  • Orphan event policy (Apache always emit, Network drop)
  • ClickHouse batch size, flush interval, and buffer configuration

[1.0.0] - 2026-02-27

Added

  • Initial release
  • Core correlation engine
  • Basic HTTP and network log parsing
  • File-based output