SUNET/puppet-sunet
Nov 2024 – Oct 2025
9 Months active
Languages Used
ShellPuppeterbBashERBbashHCLPython
Technical Skills
Configuration ManagementDevOpsBackup ConfigurationCertificate ManagementInfrastructure ManagementInfrastructure as Code
Patrik Holmqvist
PROFILE
Patrik Holmqvist
During nine months on the SUNET/puppet-sunet repository, Pahol delivered robust infrastructure automation and monitoring solutions, focusing on security, maintainability, and operational visibility. He engineered features such as automated certificate management using Puppet and Docker, modernized firewall and backup configurations, and introduced targeted monitoring with OpenTelemetry and NRPE health checks. Leveraging technologies like Bash, Python, and Infrastructure as Code, Pahol refactored legacy components, streamlined cluster deployments, and centralized DNS and logging management. His work addressed real-world operational challenges, reduced configuration drift, and enabled scalable, secure deployments, demonstrating a deep understanding of system administration, DevOps practices, and configuration management.
Overall Statistics
Feature vs Bugs
74%Features
Repository Contributions
54Total
Bugs
6
Commits
54
Features
17
Lines of code
1,448
Activity Months9
Your Network
36 people
Work History
October 2025
10 Commits • 3 Features
Oct 1, 2025October 2025 (SUNET/puppet-sunet): Delivered proactive health monitoring features for Patroni and etcd, overhauled the Django-ca Puppet module and monitoring framework, and removed deprecated etcd env var. This work improves operational visibility, reduces noise, and enables scalable deployment and future component integration.
10 Commits • 3 Features
Oct 1, 2025October 2025 (SUNET/puppet-sunet): Delivered proactive health monitoring features for Patroni and etcd, overhauled the Django-ca Puppet module and monitoring framework, and removed deprecated etcd env var. This work improves operational visibility, reduces noise, and enables scalable deployment and future component integration.
October 2025
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 - SUNET/puppet-sunet: Delivered targeted cleanup and policy modernization to support the BaaS2 migration and stabilize firewall configurations. Key accomplishments include removing legacy Puppet-based BaaS components (code cleanup) and modernizing OpenTelemetry Alloy firewall rules to use sunet::nftables::allow, resolving a known issue on modern servers. These changes reduce maintenance burden, mitigate configuration drift, and improve reliability during server provisioning and policy rollout. Technologies demonstrated include Puppet, BaaS2 migration, nftables, sunet::nftables modules, and OpenTelemetry integration.
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 - SUNET/puppet-sunet: Delivered targeted cleanup and policy modernization to support the BaaS2 migration and stabilize firewall configurations. Key accomplishments include removing legacy Puppet-based BaaS components (code cleanup) and modernizing OpenTelemetry Alloy firewall rules to use sunet::nftables::allow, resolving a known issue on modern servers. These changes reduce maintenance burden, mitigate configuration drift, and improve reliability during server provisioning and policy rollout. Technologies demonstrated include Puppet, BaaS2 migration, nftables, sunet::nftables modules, and OpenTelemetry integration.
August 2025
4 Commits • 3 Features
Aug 1, 2025In August 2025, SUNET/puppet-sunet delivered focused observability, reliability, and compatibility improvements to strengthen monitoring, reduce noise, and improve deployment stability in containerized environments. Key features and upgrades were implemented with careful change control and clear commit trajectories to support faster troubleshooting and safer operations.
4 Commits • 3 Features
Aug 1, 2025In August 2025, SUNET/puppet-sunet delivered focused observability, reliability, and compatibility improvements to strengthen monitoring, reduce noise, and improve deployment stability in containerized environments. Key features and upgrades were implemented with careful change control and clear commit trajectories to support faster troubleshooting and safer operations.
August 2025
June 2025
11 Commits • 3 Features
Jun 1, 2025June 2025 performance summary for SUNET/puppet-sunet focused on delivering secure defaults, automation, and maintainability. Key outcomes include automated Redict cluster provisioning with host-mode and TLS by default, enhanced Redis tooling and CLI wrappers, comprehensive code quality improvements, and DNS management centralization to reduce configuration drift. Business value includes faster, safer deployments, reduced operational overhead, and improved code health.
June 2025
11 Commits • 3 Features
Jun 1, 2025June 2025 performance summary for SUNET/puppet-sunet focused on delivering secure defaults, automation, and maintainability. Key outcomes include automated Redict cluster provisioning with host-mode and TLS by default, enhanced Redis tooling and CLI wrappers, comprehensive code quality improvements, and DNS management centralization to reduce configuration drift. Business value includes faster, safer deployments, reduced operational overhead, and improved code health.
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 monthly summary for SUNET/puppet-sunet: Implemented configurable selective Naemon host monitoring across repositories to enable targeted visibility and reduce monitoring noise. Key feature: naemon_automatic_repo_hosts boolean controls automatic monitoring of hosts within the same ops-repo, enabling selective monitoring of external servers (e.g., VR Windows). Implemented by conditionally including the nagioscfg class based on this parameter and by adding conditional logic in sunet::naemon_monitor to instantiate nagioscfg with an empty hostgroups list when needed to prevent host creation from a specific group. This supports cross-repo, targeted host monitoring with minimal configuration changes. Also added an opt-out capability to avoid monitoring local ops-repo servers, addressing unintended monitoring scenarios. This work enhances cross-repo observability, reduces noise, and improves maintainability of monitoring configurations across the SUNET Puppet ecosystem. Commits touched include 5b73b7c84b393ff6ce53c8d010884ed9437d9023 and 548c4be15e77cfd2d52814145a275fefa79221d5.
2 Commits • 1 Features
May 1, 2025May 2025 monthly summary for SUNET/puppet-sunet: Implemented configurable selective Naemon host monitoring across repositories to enable targeted visibility and reduce monitoring noise. Key feature: naemon_automatic_repo_hosts boolean controls automatic monitoring of hosts within the same ops-repo, enabling selective monitoring of external servers (e.g., VR Windows). Implemented by conditionally including the nagioscfg class based on this parameter and by adding conditional logic in sunet::naemon_monitor to instantiate nagioscfg with an empty hostgroups list when needed to prevent host creation from a specific group. This supports cross-repo, targeted host monitoring with minimal configuration changes. Also added an opt-out capability to avoid monitoring local ops-repo servers, addressing unintended monitoring scenarios. This work enhances cross-repo observability, reduces noise, and improves maintainability of monitoring configurations across the SUNET Puppet ecosystem. Commits touched include 5b73b7c84b393ff6ce53c8d010884ed9437d9023 and 548c4be15e77cfd2d52814145a275fefa79221d5.
May 2025
April 2025
14 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for SUNET/puppet-sunet focused on delivering automated certificate management, strengthened access controls, and modernized etcd deployment. Key features were implemented with incremental commits to improve reliability, security, and maintainability.
April 2025
14 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for SUNET/puppet-sunet focused on delivering automated certificate management, strengthened access controls, and modernized etcd deployment. Key features were implemented with incremental commits to improve reliability, security, and maintainability.
March 2025
3 Commits • 1 Features
Mar 1, 2025March 2025: SUNET/puppet-sunet delivered two key enhancements to firewall management and nftables reliability. Feature: Robust firewall rule deployment across nftables and UFW via sunet::misc::ufw_allow, replacing direct ufw usage to support modern servers. Commits: 37d9d4475e3a69df05de6eb149269a3111f12419; 5d51a03914c038a21dfaed3670e652dd351de747. Bug fix: Nftables initialization reliability: ensure nftables runs when sshd_config is false by adding sunet::nftables::init. Commit: 913aff0be34100d967313df19bc3e266bfbc001b.
3 Commits • 1 Features
Mar 1, 2025March 2025: SUNET/puppet-sunet delivered two key enhancements to firewall management and nftables reliability. Feature: Robust firewall rule deployment across nftables and UFW via sunet::misc::ufw_allow, replacing direct ufw usage to support modern servers. Commits: 37d9d4475e3a69df05de6eb149269a3111f12419; 5d51a03914c038a21dfaed3670e652dd351de747. Bug fix: Nftables initialization reliability: ensure nftables runs when sshd_config is false by adding sunet::nftables::init. Commit: 913aff0be34100d967313df19bc3e266bfbc001b.
March 2025
January 2025
7 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SUNET/puppet-sunet focusing on reliability and security improvements via features and bug fixes. The work delivered consolidates TBMR version management and dynamic URL construction, enhances backup resilience with proper logging and graceful exits, and fixes TLS initialization and permissions for Redictcluster to prevent load-time errors.
January 2025
7 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SUNET/puppet-sunet focusing on reliability and security improvements via features and bug fixes. The work delivered consolidates TBMR version management and dynamic URL construction, enhances backup resilience with proper logging and graceful exits, and fixes TLS initialization and permissions for Redictcluster to prevent load-time errors.
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024: Delivered a security-focused upgrade to SUNET/puppet-sunet by replacing MD5 with SHA256 hashing on the PyPI server, improving integrity checks and compatibility with modern dependency tooling. This change is a prerequisite for integrating with the 'uv' Python package installer and enhances maintainability and security posture. No major bugs were reported this month for this repository.
1 Commits • 1 Features
Nov 1, 2024November 2024: Delivered a security-focused upgrade to SUNET/puppet-sunet by replacing MD5 with SHA256 hashing on the PyPI server, improving integrity checks and compatibility with modern dependency tooling. This change is a prerequisite for integrating with the 'uv' Python package installer and enhances maintainability and security posture. No major bugs were reported this month for this repository.
November 2024
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Quality Metrics
Correctness91.6%
Maintainability91.4%
Architecture89.6%
Performance84.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashERBExpectHCLPuppetPythonShellbasherb
Technical Skills
AutomationBackup ConfigurationCertificate ManagementCluster ManagementCode RefactoringConfiguration ManagementContainerizationDevOpsDockerHigh AvailabilityInfrastructure ManagementInfrastructure as CodeLog AnalysisMonitoringPKI
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