October 2025 monthly work summary for Percona-Lab/jenkins-pipelines: Platform modernization and automation enhancements that secure, scale, and stabilize the CI/CD build farm across multiple OS families; improved cost efficiency and observability; and lifecycle automation to protect CirrusCI workflows.

September 2025 Monthly Summary for Percona-Lab/jenkins-pipelines. Deliveries focused on platform modernization, broader OS support, and robust EC2 provisioning to improve deployment reliability, security posture, and operational efficiency. Key work included Jenkins infrastructure modernization to AL2023 with Java 17, expanded AMI/os image provisioning across multiple distributions, and targeted bug fixes in EC2 cloud provisioning. These changes reduce maintenance overhead, enable safer automated restarts with OpenResty, and provide a stronger foundation for future CI/CD improvements.

Concise monthly summary for 2025-08 focusing on business value and technical achievements in Percona-Lab/jenkins-pipelines. - Key features delivered: Debian 13 (trixie) worker images support; Deployment infrastructure optimization: updated instance type mappings. - Major bugs fixed: Debian bullseye-backports repository access fix. - Overall impact: improved package reliability, compatibility with latest Debian, and aligned infrastructure with current hardware and pricing. - Technologies/skills demonstrated: Debian/Apt sources, Debian packaging, Groovy cloud deployment (cloud.groovy), cloud infrastructure alignment, CI pipelines maintenance.

July 2025: Delivered scalable CI/CD improvements and OS/architecture expansion across two repositories to accelerate release cycles and optimize costs. Key features included Jenkins infrastructure network reconfiguration and instance sizing (c5.large) for cost/performance optimization; 64GB AWS workers across amd64/arm64 to increase parallel CI/CD slots; RHEL 10 worker OS added for telemetry in the ps80.cd pipeline; OL10 packaging support added for Percona Backup MongoDB to broaden OS compatibility. Commits PKG-889, PKG-917, PKG-914, PKG-731 support these changes. Impact: faster release cycles, improved resource utilization, and expanded platform support.

May 2025 monthly summary for Percona-Lab/jenkins-pipelines: Delivered key reliability improvements to the Jenkins pipelines, expanded build capabilities with npm on cloud.cd Docker workers, and enhanced access control by introducing a dedicated JNKPercona user role. These efforts reduced pipeline flakiness, enabled Node.js-based builds, and streamlined onboarding for new Jenkins users. The changes touched CI configuration, Docker workers, and authorization strategy, with traceable commits across multiple changes.

April 2025 highlights: Implemented Aarch64 support in cloud/CD pipelines and stabilized Jenkins farm with resource optimization. The work enabled aarch64 workers and environment provisioning (including Docker label mapping and min-al2023-aarch64 provisioning), updated Nginx/certbot configurations, and refined instance selection and pricing strategies. These changes broaden cross-architecture workload capabilities, improve CI/CD reliability, and reduce infrastructure costs.

March 2025 monthly summary focusing on business value and technical delivery across two repositories. Highlights include feature-driven improvements to build reliability and expanded CI/CD capabilities to support modern AWS OS images. No explicit bug fixes were reported this period. Overall impact: more deterministic builds, reduced external dependency risk, and scalable pipeline provisioning for newer Amazon Linux 2023 (AL2023) workers. Key features delivered: - Centralized Go distribution for build process in percona/percona-backup-mongodb: switched Go binaries download source to repo.percona.com and added cleanup of prior Go installations to improve build consistency and reliability. Commit: 68ec022dfaca0eb2d9c1449c1a8797e6b9b9b839. - AL2023 worker support in PXC CD pipeline in Percona-Lab/jenkins-pipelines: added AL2023 workers with image mappings, price configurations, user mappings, and initialization scripts for x64 and aarch64, enabling provisioning and configuration of AL2023 instances for build and deployment tasks. Commit: 700ff43812e611240448b8a121b60ad90515b30a. Technologies/skills demonstrated: - Go build automation and repository-hosted binary management - CI/CD pipeline provisioning and cross-arch support (x64/aarch64) for AL2023 - Image/price/user mappings and initialization scripting for scalable deployment Overall business value: - Improved reproducibility and reliability of builds by centralizing Go distribution and cleaning environments - Accelerated release readiness through expanded AL2023 support in CI/CD pipelines - Enhanced maintainability and scalability of build infrastructure across repositories

February 2025 monthly summary for Percona-Lab/jenkins-pipelines focusing on business value and technical achievements. Key features delivered include expanded AWS AL2023 worker coverage and improved access control across pipelines. Major bugs fixed: none reported in this period. Overall impact: increased pipeline reliability and scalability, broader worker compatibility, and stronger security posture, enabling faster feature delivery with reduced toil. Technologies and skills demonstrated: AWS infrastructure considerations, Amazon Linux 2023 (AL2023), Jenkins pipelines, role-based access controls (RBAC), configuration management, initialization scripting, and JVM options tuning.

Concise monthly summary for 2025-01 focusing on delivering reliable CI pipelines and improving parameterization handling in Jenkins pipelines for Percona-Lab. The work centered on correcting environment variable syntax in pipeline configurations to ensure consistent builds across environments and reduce CI failures.

December 2024 monthly summary focused on delivering business-value through robust build pipelines and stability improvements for enterprise deployments. Key features delivered across repositories include multi-architecture Docker builds for PSMDB Pro, enhanced CI/CD and release communications, and a targeted fix for RPM dependency installation on RHEL 2023. These efforts reduced release friction, improved security tooling integration, and strengthened build reliability in production-like environments.

November 2024 monthly performance summary for two repositories: percona/percona-backup-mongodb and Percona-Lab/jenkins-pipelines. Delivered reliability improvements, cloud infrastructure optimizations, and CI/CD enhancements that drive faster, more secure deployments and lower operational risk. Key outcomes: - Implemented Go Binary Download Retry Mechanism to improve build reliability in environments with intermittent network connectivity. - Upgraded AWS instance types across Jenkins pipelines for cost and performance optimization. - Created and improved PSMDB Pro Docker image CI/CD workflow, including build/refactor, push steps, and enhanced security scanning and notifications. - Fixed Groovy escaping issue in psmdb.cd pipeline to ensure correct parameter substitution into Dockerfiles during builds. Overall impact and accomplishments: - Reduced build failures due to flaky networks and unstable downloads. - Lowered infrastructure costs while maintaining or improving performance across CI/CD pipelines. - Accelerated delivery of Percona Server MongoDB Pro images with stronger security signaling and streamlined release processes. - Demonstrated strong cross-functional collaboration across Go scripting, AWS cloud management, Groovy in Jenkins, Docker builds, and CI/CD tooling. Technologies/skills demonstrated: - Go, shell scripting, and retry logic; AWS cloud infrastructure; Jenkins pipelines and Groovy scripting; Docker image build and push; security scanning (e.g., vulnerability tooling); CI/CD automation. Business value: - Improved developer productivity through more reliable builds and faster deployments. - Reduced operating risk with resilient download strategies and hardened image pipelines. - Clearer, more secure release processes for MongoDB backups and Pro images.

October 2024 monthly summary for Percona-Lab/jenkins-pipelines: Focused on optimizing micro-Amazon deployments and documenting configuration changes to improve cost efficiency and performance.