Month: 2025-10 Concise monthly summary focusing on business value and technical achievements across Percona operator projects. October delivered expanded end-to-end test coverage, broader MySQL/8.0 validation, and security-hardening of E2E workflows, resulting in faster PR feedback and more reliable deployments. Key work included tuning end-to-end data restore verification for MongoDB, extending PR tests to cover MySQL 8.0, and significant improvements to test logging, configuration management, and credential handling. Highlights by repository: - percona/percona-server-mongodb-operator: End-to-End Data Restore Verification Test Enhancement (reduce data check retry count to 0 while preserving integrity checks); commit 2063af6168ba37c2acf4cc17ab34c9c8d44955d3. - percona/percona-server-mysql-operator: Multi-version PR tests for MySQL (including 8.0); extended E2E tests for 8.0 (gr-haproxy, gr-init-deploy); improved PR logging and data clarity; added ConfigMaps-based configuration management tests; generated credentials for E2E; fix for MySQL URI/password handling; commit 059a3c0a9b1846285adb8bab0426ab79e6ea05aa, e232da35e19deb5e0605ba50c928e868840d8892, a0764f0e722db6d0b1d31d27921e520bc1a1a7b9, 34a8d63868b204a4f5ee8452dbf3e1062903dc00, 888887f382cdc59f03e3d6d26184c0a280c39d00. Impact: - Broader test coverage reduces risk and accelerates PR approvals. - Improved traceability and debug clarity shorten investigation cycles. - Security-conscious E2E tests prevent credential leakage and align with production practices.

September 2025: Delivered stability improvements and enhanced test coverage across Percona's Kubernetes operators. Key efforts focused on stabilizing deployment image references for the MySQL operator, aligning tags with development branches, expanding end-to-end testing for operator metadata, and validating backup flows in the MongoDB operator under unhealthy states. These changes improve deployment reliability, enable safer development cycles, and strengthen data integrity safeguards across critical workflows.

Monthly summary for 2025-08 focusing on key features delivered, major bug fixes, overall impact, and technologies demonstrated. Highlights span the Percona Helm and operator ecosystems, with cross-repo collaboration delivering storage flexibility, platform compatibility, OpenShift readiness, and test stability. Key features delivered and their business value: - Enhanced storage volume management in PS-DB Helm chart: adds volume expansion flag and support for hostPath/emptyDir; updates CRDs, roles, and templates to enable flexible storage configuration in Percona Server MySQL Helm chart. Commits: 5ab6b6c9109d495846062e0ae519f798a8ea7850; d1bf391370956c2bc59919be079c77bebde46b1d - Graceful termination period (gracePeriod) for pods in ps-db Helm chart: introduces termination grace period for MySQL, HAProxy, Router, and Orchestrator, with README and templating updates for safer rollouts. Commit: a72f07ea77c562f04f9de464a783f22033de598f - Deployment configuration improvements: HAProxy/PMM image tags and disable when not enabled: aligns deployment dependencies and prevents unused components from impacting releases. Commit: 1fd7db4c6b74c6a2cbe02216d400c3c9f9f84b15 - YAML formatting and indentation fixes: end-of-file line endings and indentation improvements for readability and maintainability. Commits: ff80a6aa186eb047617fb8a94d80d9567e78652e; 588492bd1681fc814081aa9897e8a547663f9908 - MySQL 8.4 support and platform compatibility updates (percona-server-mysql-operator): adds MySQL 8.4 to versions; aligns platform support for GKE, EKS, OpenShift, Minikube; bumps minimum EKS version to 1.31. Commits: 2b1d94c41e8e22abc5b61fb7b7b69d341c873985; 52ac0422d8f26862f1b6252d12bb6724df5bbac0; 84483ded94ae598a3f9be6a14d3c315f8c68f024 - OpenShift-ready Vault deployment and Chaos Mesh integration: improves OpenShift reliability for Vault deployment and Chaos Mesh runtime configuration; uses proper platform detection and tests vault image repositories. Commits: 07c80760651082187977bd6f5c1c0819c13118e2; ecee7ef82ed560318421e682c30f0cb4eb3ecafa; 8baf82d5200d852400676bbb6e8347f888aefaa0 - EKS PVC resize fix and test stability improvements: fixes PVC resize for EKS via a dedicated storage class; improves test timeouts and lint issues for maintainability. Commits: 4171d2631d5ea9830f2f7a1cae7afb05964f6359; d387d573040c1a4c7d2569f087b034ac50118c7a; e1fc784c8c16acd6da5f7452754887d903c07a87 - PS Operator Version Compatibility Testing and Version availability/dependency management: updates tests to validate compatibility with new PS Operator versions and ensures version data stability; dependency updates and JSON structure alignment. Commits: d1f2f288da28f5273fffe91338dba42241934bee; e386ecbf76ed1c2b552139cb9b0ef482f935eab0; 51fd4dd8ee15c09c3ee92ff0b00ea8cd1b54ea4b; 8f597d9ac7f1c3b71209e3d85ca3565a8b7017db - Version availability and dependency management: updates dependencies, removes deprecated versions, and aligns JSON structure for version data. Commits: 42ab74881b57b01b2dd3f5b8a426432f5437f83c; 561e7536e5f3ef7fc4d10f4d74024d14a44fe402; 3f73a2b16ccdd26b5041ecf75c9657446b9047f4 Overall impact and accomplishments: - Accelerated platform readiness across Kubernetes distributions (GKE, EKS, OpenShift) and OpenShift-specific workloads, enabling smoother deployments and upgrades with reduced risk. - Increased storage flexibility and reliability through volume expansion and PVC handling, minimizing the need for manual reconfigurations during scale events. - Improved test stability and release confidence via enhanced operator/version compatibility tests and dependency hygiene. - Strengthened code quality and maintainability through consistent YAML formatting, indentation fixes, and documentation enhancements. Technologies and skills demonstrated: - Kubernetes, Helm, CRDs, and Helm templating for storage configuration and lifecycle management - OpenShift, Chaos Mesh, CRIO runtime considerations, and cross-platform testing - MySQL 8.4 support, platform compatibility (GKE, EKS, OpenShift, Minikube), and EKS PVC resize handling - CI/test hygiene, version management, and JSON data structuring

July 2025 monthly work summary for Percona operators: Delivered extensive end-to-end testing enhancements across PostgreSQL and XtraDB clusters, improved upgrade and TLS/CA workflows, and expanded cloud backup validation. Focused on business value through reliable deployment, data integrity checks, and safer upgrade paths across the PostgreSQL operator, XtraDB cluster operator, and Helm charts.