
Nurlan Moldomurov engineered backend and infrastructure enhancements for the percona/pmm repository, focusing on deployment reliability, security, and operational efficiency. He delivered features such as OpenShift compatibility, high-availability orchestration, and flexible authentication flows, using Go, Docker, and Ansible to refactor service initialization, container permissions, and agent configuration. Nurlan streamlined client registration, automated dependency management, and improved monitoring accuracy by integrating new query fingerprinting and high-resolution metrics. His work addressed edge-case bugs, hardened installation security, and optimized build pipelines, demonstrating depth in system administration and DevOps. These contributions improved PMM’s scalability, maintainability, and deployment consistency across diverse environments.

Monthly Summary — September 2025 (percona/pmm) Key features delivered: - Docker Image User Consistency and Permissions: Standardized the default Docker image user to 'pmm' and ensured proper permissions across images and dev/devcontainer contexts, improving security, reproducibility, and access control. - PMM Client Registration Simplification: Refactored the client registration to use a single combined server URL string (server URL, username, password) for simpler authentication, with updated documentation. - Authenticated Proxy Requests and Service Management: Added user information and Authorization headers to proxy requests; introduced VMAgent authentication arguments with a refactored service management model for more robust operation. Major bugs fixed: - PMM Agent Installation Security Hardened: Adjusts the installation process for pmm-agent by changing ownership group from 'pmm' to 'root' to ensure correct group permissions, improving security and system configuration. (Commit 298b7bee01535ead2a89d0e32ae3c2e5c94af8ed, PMM-14132) - SSL Certificate Script Exit Handling: Fixes the generate-ssl-certificate script by changing return 0 to exit 0 to ensure proper termination with success status in user-provided certificate scenarios, improving reliability in pipelines. (Commit a836d65977de0f9fc25d7af6879509bc3583e2c3, PMM-7) - Azure Resource Type Typo Fix: Corrects the resource type spelling for flexible MySQL servers in Azure monitoring configuration from 'felexibleServers' to 'flexibleServers', improving accuracy. (Commit 8a5d4ab5ea47745aecfb23be6b2fa1ddb9d30fbb, PMM-14081) Overall impact and accomplishments: - Strengthened security posture across deployment and container environments, reducing misconfig risk and exposure. - Improved reliability and predictability of build and deployment pipelines due to proper exit signaling and corrected configurations. - Simplified authentication workflows and improved developer experience with consistent image behavior and clearer documentation. - Demonstrated end-to-end capabilities across container security, scripting, authentication flows, and infrastructure configuration. Technologies/skills demonstrated: - Dockerfile best practices and container security, Linux ownership and permissions. - Shell scripting improvements and reliable process termination. - Authentication workflows, proxy request handling, and VMAgent integration. - Documentation updates and onboarding improvements for client registration.
Monthly Summary — September 2025 (percona/pmm) Key features delivered: - Docker Image User Consistency and Permissions: Standardized the default Docker image user to 'pmm' and ensured proper permissions across images and dev/devcontainer contexts, improving security, reproducibility, and access control. - PMM Client Registration Simplification: Refactored the client registration to use a single combined server URL string (server URL, username, password) for simpler authentication, with updated documentation. - Authenticated Proxy Requests and Service Management: Added user information and Authorization headers to proxy requests; introduced VMAgent authentication arguments with a refactored service management model for more robust operation. Major bugs fixed: - PMM Agent Installation Security Hardened: Adjusts the installation process for pmm-agent by changing ownership group from 'pmm' to 'root' to ensure correct group permissions, improving security and system configuration. (Commit 298b7bee01535ead2a89d0e32ae3c2e5c94af8ed, PMM-14132) - SSL Certificate Script Exit Handling: Fixes the generate-ssl-certificate script by changing return 0 to exit 0 to ensure proper termination with success status in user-provided certificate scenarios, improving reliability in pipelines. (Commit a836d65977de0f9fc25d7af6879509bc3583e2c3, PMM-7) - Azure Resource Type Typo Fix: Corrects the resource type spelling for flexible MySQL servers in Azure monitoring configuration from 'felexibleServers' to 'flexibleServers', improving accuracy. (Commit 8a5d4ab5ea47745aecfb23be6b2fa1ddb9d30fbb, PMM-14081) Overall impact and accomplishments: - Strengthened security posture across deployment and container environments, reducing misconfig risk and exposure. - Improved reliability and predictability of build and deployment pipelines due to proper exit signaling and corrected configurations. - Simplified authentication workflows and improved developer experience with consistent image behavior and clearer documentation. - Demonstrated end-to-end capabilities across container security, scripting, authentication flows, and infrastructure configuration. Technologies/skills demonstrated: - Dockerfile best practices and container security, Linux ownership and permissions. - Shell scripting improvements and reliable process termination. - Authentication workflows, proxy request handling, and VMAgent integration. - Documentation updates and onboarding improvements for client registration.
Monthly work summary for 2025-08 focusing on delivering OpenShift deployment compatibility for PMM and container UID/GID support, with refactors to improve maintainability and security across core services.
Monthly work summary for 2025-08 focusing on delivering OpenShift deployment compatibility for PMM and container UID/GID support, with refactors to improve maintainability and security across core services.
July 2025 monthly summary for percona/pmm: Delivered a major VMagent configuration refactor to improve usability, security, and automation. Key outcomes include environment-variable driven VM agent configuration, URL-based credential extraction, and expanded test coverage validating credential handling and env-based configurations. This work reduces operator friction, strengthens security by avoiding command-line credentials, and enhances deployment reliability and consistency across environments.
July 2025 monthly summary for percona/pmm: Delivered a major VMagent configuration refactor to improve usability, security, and automation. Key outcomes include environment-variable driven VM agent configuration, URL-based credential extraction, and expanded test coverage validating credential handling and env-based configurations. This work reduces operator friction, strengthens security by avoiding command-line credentials, and enhances deployment reliability and consistency across environments.
June 2025 Monthly Summary: Delivered a set of security-conscious, performance-oriented improvements across PMM components, with a focus on visibility, reliability, and build efficiency. The changes span Swagger access controls, TLS verification flexibility, HA readiness, PostgreSQL queries, and build-time optimizations, plus a maintenance fix improving trigger reliability.
June 2025 Monthly Summary: Delivered a set of security-conscious, performance-oriented improvements across PMM components, with a focus on visibility, reliability, and build efficiency. The changes span Swagger access controls, TLS verification flexibility, HA readiness, PostgreSQL queries, and build-time optimizations, plus a maintenance fix improving trigger reliability.
May 2025 monthly summary for percona/pmm focusing on backend stability, scalability, and enhanced export workflows. Delivered two major feature clusters, fixed critical edge cases, and upskilled the team through tooling improvements that drive business value and production reliability. Key features delivered: - Backend stability and scalability enhancements: Upgraded VictoriaMetrics to v1.114.0; enhanced HTTP response validation to accept 200 and 204 for better interoperability. Integrated HAService into server initialization, adjusted HAProxy, PostgreSQL, and Docker configurations; refactored startup/shutdown logic; fixed disabling of the built-in Postgres service. Upgraded pg_query_go from v5 to v6 with updated import paths. Included general linting, Go version updates, and refactors to improve code quality, error handling, and test context usage. - Multi-source dump/export support and CLI clarity: Extended dump/export service to accept and utilize additional URLs for ClickHouse and VictoriaMetrics; updated constructors and initialization to handle new parameters. Renamed CLI flag for clearer intent, improving export workflows and user experience. Major bugs fixed: - Fixed edge case where the built-in Postgres service could be disabled during startup/shutdown refactors, restoring reliable service availability. - Resolved lint-related issues (PMM-3868) and updated dependencies (e.g., pg_query_go to v6) to address known code quality and compatibility bugs. Overall impact and accomplishments: - Significantly improved backend reliability, scalability, and interoperability across components (VictoriaMetrics, HAService, HAProxy, PostgreSQL, Docker), reducing operational risk. - Enabled flexible, multi-source data export workflows, simplifying data pipelines and improving customer-facing export quality. - Strengthened developer productivity through code quality improvements, updated tooling, and clearer CLI semantics. Technologies and skills demonstrated: - Go language, VictoriaMetrics, HAService integration, HTTP validation strategies, service orchestration, and startup/shutdown lifecycle. - HAProxy, PostgreSQL, Docker configuration tuning. - Multi-source export design, CLI UX improvements, linting and dependency management, test context usage.
May 2025 monthly summary for percona/pmm focusing on backend stability, scalability, and enhanced export workflows. Delivered two major feature clusters, fixed critical edge cases, and upskilled the team through tooling improvements that drive business value and production reliability. Key features delivered: - Backend stability and scalability enhancements: Upgraded VictoriaMetrics to v1.114.0; enhanced HTTP response validation to accept 200 and 204 for better interoperability. Integrated HAService into server initialization, adjusted HAProxy, PostgreSQL, and Docker configurations; refactored startup/shutdown logic; fixed disabling of the built-in Postgres service. Upgraded pg_query_go from v5 to v6 with updated import paths. Included general linting, Go version updates, and refactors to improve code quality, error handling, and test context usage. - Multi-source dump/export support and CLI clarity: Extended dump/export service to accept and utilize additional URLs for ClickHouse and VictoriaMetrics; updated constructors and initialization to handle new parameters. Renamed CLI flag for clearer intent, improving export workflows and user experience. Major bugs fixed: - Fixed edge case where the built-in Postgres service could be disabled during startup/shutdown refactors, restoring reliable service availability. - Resolved lint-related issues (PMM-3868) and updated dependencies (e.g., pg_query_go to v6) to address known code quality and compatibility bugs. Overall impact and accomplishments: - Significantly improved backend reliability, scalability, and interoperability across components (VictoriaMetrics, HAService, HAProxy, PostgreSQL, Docker), reducing operational risk. - Enabled flexible, multi-source data export workflows, simplifying data pipelines and improving customer-facing export quality. - Strengthened developer productivity through code quality improvements, updated tooling, and clearer CLI semantics. Technologies and skills demonstrated: - Go language, VictoriaMetrics, HAService integration, HTTP validation strategies, service orchestration, and startup/shutdown lifecycle. - HAProxy, PostgreSQL, Docker configuration tuning. - Multi-source export design, CLI UX improvements, linting and dependency management, test context usage.
2025-04 Monthly summary for percona/pmm: Key features delivered include Nomad integration with PMM (client support, Inventory API expansion with NomadAgent, and IgnoreNomad filtering when Nomad is disabled) and documentation improvements (prerequisites cleanup and MkDocs build instructions). There were no major bugs fixed reported for this period. Overall impact: extended Nomad multi-cluster support and improved onboarding and build clarity, strengthening PMM’s reliability in Nomad-based environments and reducing maintenance overhead. Technologies and skills demonstrated: PMM agent integration, inventory API evolution, server-side filtering, MkDocs/Docker-based build process, and clear technical documentation.
2025-04 Monthly summary for percona/pmm: Key features delivered include Nomad integration with PMM (client support, Inventory API expansion with NomadAgent, and IgnoreNomad filtering when Nomad is disabled) and documentation improvements (prerequisites cleanup and MkDocs build instructions). There were no major bugs fixed reported for this period. Overall impact: extended Nomad multi-cluster support and improved onboarding and build clarity, strengthening PMM’s reliability in Nomad-based environments and reducing maintenance overhead. Technologies and skills demonstrated: PMM agent integration, inventory API evolution, server-side filtering, MkDocs/Docker-based build process, and clear technical documentation.
March 2025: Delivered targeted enhancements to percona/pmm and stabilized deployment workflows. Key features include a MongoDB query fingerprinter and a default-to-v3 installation script, alongside several reliability fixes that improve data accuracy, resilience, and deployment simplicity. These work items collectively elevate monitoring fidelity, reduce misconfigurations, and accelerate customer time-to-value.
March 2025: Delivered targeted enhancements to percona/pmm and stabilized deployment workflows. Key features include a MongoDB query fingerprinter and a default-to-v3 installation script, alongside several reliability fixes that improve data accuracy, resilience, and deployment simplicity. These work items collectively elevate monitoring fidelity, reduce misconfigurations, and accelerate customer time-to-value.
February 2025 performance summary for Percona PMM and PMM-submodules. Key features delivered include dependency management automation for the v3 branch across gomod, Docker, GitHub Actions, and npm with daily updates and selective patch ignores to keep dependencies current and secure. PMM core stability improvements were implemented, fixing default values for NodeAddress, NodeName, MachineID, and Distro, and strengthening Docker install error handling to provide clearer guidance during failures. Grafana monitoring path fix and version alignment were completed, correcting the internal metrics path from /metrics to /graph/metrics and updating the docker-compose release version. Documentation and user-facing information improvements were made to reflect correct analytics defaults and to repair broken or outdated links and binary references, enhancing troubleshooting and installation reliability. A software version bump to 3.1.0 was prepared for PMM-submodules to signal release readiness. These efforts collectively improve install reliability, security posture, monitoring accuracy, and the onboarding experience for new and existing users.
February 2025 performance summary for Percona PMM and PMM-submodules. Key features delivered include dependency management automation for the v3 branch across gomod, Docker, GitHub Actions, and npm with daily updates and selective patch ignores to keep dependencies current and secure. PMM core stability improvements were implemented, fixing default values for NodeAddress, NodeName, MachineID, and Distro, and strengthening Docker install error handling to provide clearer guidance during failures. Grafana monitoring path fix and version alignment were completed, correcting the internal metrics path from /metrics to /graph/metrics and updating the docker-compose release version. Documentation and user-facing information improvements were made to reflect correct analytics defaults and to repair broken or outdated links and binary references, enhancing troubleshooting and installation reliability. A software version bump to 3.1.0 was prepared for PMM-submodules to signal release readiness. These efforts collectively improve install reliability, security posture, monitoring accuracy, and the onboarding experience for new and existing users.
January 2025 highlights include delivering key features for agent lifecycle and deployment robustness, tightening security around data directories, and enhancing monitoring and backup reliability. Across Percona/pmm and Jenkins pipelines, these efforts reduce NPE risk, improve update reliability, strengthen data security, and accelerate incident response.
January 2025 highlights include delivering key features for agent lifecycle and deployment robustness, tightening security around data directories, and enhancing monitoring and backup reliability. Across Percona/pmm and Jenkins pipelines, these efforts reduce NPE risk, improve update reliability, strengthen data security, and accelerate incident response.
December 2024 monthly summary for percona/pmm: Key features delivered: - PMM Installation Script: Enabled a migration path from PMM v2 to PMM v3 with v3 defaults, including new CLI options for volume names, refactored environment variable mapping from v2 to v3, and defaults set to the PMM 3.0.0 beta tag and perconalab/pmm-server repository. - GitHub Actions Typo Checking: Implemented a typo-checking CI job, extended checks to Markdown files, added configuration for the typos tool, and applied minor documentation spelling corrections. Major bugs fixed: - No explicit major bugs fixed were reported this month. Efforts focused on upgrade automation and quality gates (CI) to reduce migration risk and improve documentation hygiene. Overall impact and accomplishments: - Strengthened upgrade/delivery automation, reducing friction for customers migrating from PMM v2 to v3 and accelerating adoption of the 3.x line. - Improved documentation quality and consistency through CI-driven typo checks and targeted spelling corrections. - Established a solid CI/CD foundation for PMM-related changes, contributing to more reliable releases and customer confidence. Technologies/skills demonstrated: - Bash scripting and CLI design for installation and migration tooling. - Environment variable mapping refactor and CLI defaults management. - GitHub Actions CI/CD configuration and maintenance. - Typos checking tooling and Markdown/docs quality assurance.
December 2024 monthly summary for percona/pmm: Key features delivered: - PMM Installation Script: Enabled a migration path from PMM v2 to PMM v3 with v3 defaults, including new CLI options for volume names, refactored environment variable mapping from v2 to v3, and defaults set to the PMM 3.0.0 beta tag and perconalab/pmm-server repository. - GitHub Actions Typo Checking: Implemented a typo-checking CI job, extended checks to Markdown files, added configuration for the typos tool, and applied minor documentation spelling corrections. Major bugs fixed: - No explicit major bugs fixed were reported this month. Efforts focused on upgrade automation and quality gates (CI) to reduce migration risk and improve documentation hygiene. Overall impact and accomplishments: - Strengthened upgrade/delivery automation, reducing friction for customers migrating from PMM v2 to v3 and accelerating adoption of the 3.x line. - Improved documentation quality and consistency through CI-driven typo checks and targeted spelling corrections. - Established a solid CI/CD foundation for PMM-related changes, contributing to more reliable releases and customer confidence. Technologies/skills demonstrated: - Bash scripting and CLI design for installation and migration tooling. - Environment variable mapping refactor and CLI defaults management. - GitHub Actions CI/CD configuration and maintenance. - Typos checking tooling and Markdown/docs quality assurance.
November 2024 saw targeted reliability improvements, deployment flexibility, and cloud-friendly data collection enhancements across PMM. Notable outcomes include a bug fix for pmm-admin remove service to target the correct service, flag standardization for PMM-Admin, Nomad support integration into pmm-client, enhanced RDS exporters with per-credentials grouping and pmm_agent_id, and a fix to RDS exporter scrape configuration to respect metrics mode. These changes increase operational reliability, simplify configuration, and extend PMM's orchestration and monitoring capabilities for cloud environments.
November 2024 saw targeted reliability improvements, deployment flexibility, and cloud-friendly data collection enhancements across PMM. Notable outcomes include a bug fix for pmm-admin remove service to target the correct service, flag standardization for PMM-Admin, Nomad support integration into pmm-client, enhanced RDS exporters with per-credentials grouping and pmm_agent_id, and a fix to RDS exporter scrape configuration to respect metrics mode. These changes increase operational reliability, simplify configuration, and extend PMM's orchestration and monitoring capabilities for cloud environments.
October 2024 monthly summary for percona/pmm. Key features delivered: Grafana Image Renderer Integration implemented as a dedicated Grafana image renderer service to render dashboards/images inside PMM. This included configuring subpath serving and updating Nginx/proxy settings to route requests to the renderer. Commit traceability provided by two changes: 948e93ec0f7af37159239254993810041016dbeb (PMM-12593 Fix grafana renderer for PMM 2. (#3270)) and 43cc6db7d677de5f089d5717f76d4b63859b3b21 (PMM-12593 Run grafana renderer to render images. (#3232)). Major bugs fixed: Resolved PMM-12593 issues related to Grafana renderer compatibility with PMM 2, stabilizing image rendering and ensuring reliable operation within the PMM environment. Overall impact and accomplishments: Enables embedding and rendering Grafana visuals directly in PMM dashboards, enhancing monitoring visibility and reporting. Improves user experience by providing in-app Grafana visuals without external steps and supports PMM 2 compatibility requirements, contributing to faster diagnostics and decision-making. Technologies/skills demonstrated: service orchestration and integration (Grafana image renderer service), reverse proxy/Nginx configuration, subpath routing, containerized renderer deployment, change management and traceability via commit history.
October 2024 monthly summary for percona/pmm. Key features delivered: Grafana Image Renderer Integration implemented as a dedicated Grafana image renderer service to render dashboards/images inside PMM. This included configuring subpath serving and updating Nginx/proxy settings to route requests to the renderer. Commit traceability provided by two changes: 948e93ec0f7af37159239254993810041016dbeb (PMM-12593 Fix grafana renderer for PMM 2. (#3270)) and 43cc6db7d677de5f089d5717f76d4b63859b3b21 (PMM-12593 Run grafana renderer to render images. (#3232)). Major bugs fixed: Resolved PMM-12593 issues related to Grafana renderer compatibility with PMM 2, stabilizing image rendering and ensuring reliable operation within the PMM environment. Overall impact and accomplishments: Enables embedding and rendering Grafana visuals directly in PMM dashboards, enhancing monitoring visibility and reporting. Improves user experience by providing in-app Grafana visuals without external steps and supports PMM 2 compatibility requirements, contributing to faster diagnostics and decision-making. Technologies/skills demonstrated: service orchestration and integration (Grafana image renderer service), reverse proxy/Nginx configuration, subpath routing, containerized renderer deployment, change management and traceability via commit history.
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