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Changelog

All notable changes to this project will be documented in this file.

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

0.1.0 - 2026-02-08

Added

  • StoragePolicy CRD: Define per-cluster or per-namespace storage management policies

    • Configurable warning/critical/emergency thresholds
    • PVC expansion settings with increment and max size limits
    • WAL cleanup configuration with retain count
    • Circuit breaker for failure protection
    • Multi-channel alerting (Alertmanager, Slack, PagerDuty)

  • StorageEvent CRD: Audit trail for storage-related events

    • Tracks expansion and WAL cleanup operations
    • Per-PVC status tracking
    • Detailed event metadata

  • CNPG Cluster Discovery: Automatic discovery of CloudNativePG clusters

    • Unstructured client for dynamic resource access
    • Support for both legacy and barman-cloud plugin backup configurations
    • ObjectStore CRD integration for backup status

  • Metrics Collection: Kubelet volume stats integration

    • Real-time PVC usage monitoring
    • Prometheus metrics exposition
    • Per-cluster and per-PVC metrics

  • Threshold Evaluation Engine: Policy-based threshold evaluation

    • Multi-level threshold support (warning/critical/emergency)
    • Action recommendations based on severity
    • Backup status evaluation with ObjectStore fallback

  • Cluster Annotation Management: Non-invasive CNPG coordination

    • Managed/paused state tracking
    • Expansion and WAL cleanup coordination
    • Circuit breaker state persistence

  • Alerting Integration: Multi-channel alert delivery

    • Prometheus Alertmanager support
    • Slack webhook integration
    • PagerDuty Events API v2 integration
    • Alert suppression to prevent duplicates

  • PVC Expansion Engine: Automated storage expansion

    • StorageClass validation for expansion support
    • Preflight checks before expansion
    • Dry-run mode for testing

  • WAL Cleanup Engine: Automated WAL file management

    • pg_archivecleanup execution via pod exec
    • Configurable retain count
    • Safe cleanup with backup verification

  • Helm Chart: Production-ready deployment

    • Complete RBAC configuration
    • ServiceMonitor for Prometheus integration
    • Configurable resource limits
    • Dry-run mode values

  • CI/CD Pipeline: Comprehensive automation

    • golangci-lint for code quality
    • Unit and integration tests
    • Security scanning (Gosec, Trivy)
    • Multi-arch container builds (amd64, arm64, s390x, ppc64le)
    • Automated releases with changelog generation

Fixed

  • Backup monitoring false positives: Fixed issue where clusters using the barman-cloud plugin reported false-positive backup alerts. The controller now reads backup timestamps from ObjectStore CRD's .status.serverRecoveryWindow when the barman-cloud plugin is configured. (#1)