SUNET/puppet-sunet
Oct 2024 – Sep 2025
10 Months active
Languages Used
ERBPuppeterbShellbashJSONpuppetBash
Technical Skills
Configuration ManagementDevOpsInfrastructure as CodeSystem AdministrationNetwork ConfigurationShell Scripting
Maria Haider
PROFILE
Maria Haider
Mariah contributed to the SUNET/puppet-sunet repository by engineering robust infrastructure automation and configuration management solutions. Over ten months, she delivered features such as centralized load balancer configuration, automated PostgreSQL backups, and environment-aware authentication exposure, while also addressing bugs in TLS handling and Docker Compose setups. Her technical approach emphasized maintainability and security, using Puppet, Bash, and YAML to refactor manifests, streamline certificate management, and optimize network configuration. Mariah’s work improved CI reliability, reduced operational risk, and enabled scalable deployments. Her depth in DevOps, scripting, and infrastructure as code resulted in cleaner, more auditable, and resilient system administration workflows.
Overall Statistics
Feature vs Bugs
65%Features
Repository Contributions
41Total
Bugs
7
Commits
41
Features
13
Lines of code
360
Activity Months10
Your Network
36 people
Work History
September 2025
9 Commits • 1 Features
Sep 1, 2025September 2025: Focused on strengthening data protection, reliability, and CI quality across the SUNET/puppet-sunet repository. Delivered automated PostgreSQL backups for the OnlyOffice document server with a configurable backup script, cron integration, and a feature flag; fixed a Docker Compose PostgreSQL volume misconfiguration; updated Roundcube trusted proxies to include new load balancer IPs (IPv4 and IPv6) for accurate request attribution; completed code quality and CI improvements by fixing lint issues in Puppet manifests and upgrading puppet-lint Ruby version in CI, improving build reliability and developer experience.
9 Commits • 1 Features
Sep 1, 2025September 2025: Focused on strengthening data protection, reliability, and CI quality across the SUNET/puppet-sunet repository. Delivered automated PostgreSQL backups for the OnlyOffice document server with a configurable backup script, cron integration, and a feature flag; fixed a Docker Compose PostgreSQL volume misconfiguration; updated Roundcube trusted proxies to include new load balancer IPs (IPv4 and IPv6) for accurate request attribution; completed code quality and CI improvements by fixing lint issues in Puppet manifests and upgrading puppet-lint Ruby version in CI, improving build reliability and developer experience.
September 2025
August 2025
7 Commits • 2 Features
Aug 1, 2025Performance summary for 2025-08 focusing on delivering environment-aware authentication exposure, TLS reliability improvements, and container networking enhancements across SUNET/puppet-sunet. Highlighted by the AUTH service exposure feature and Docker IPv6 support, these changes enhance security, scalability, and maintainable deployments.
August 2025
7 Commits • 2 Features
Aug 1, 2025Performance summary for 2025-08 focusing on delivering environment-aware authentication exposure, TLS reliability improvements, and container networking enhancements across SUNET/puppet-sunet. Highlighted by the AUTH service exposure feature and Docker IPv6 support, these changes enhance security, scalability, and maintainable deployments.
July 2025
4 Commits • 1 Features
Jul 1, 2025July 2025 performance summary for SUNET/puppet-sunet: Delivered targeted improvements to distributed HAProxy deployments and streamlined trusted proxy configuration. Implemented HAProxy hostname/FQDN customization via a new set_fqdn parameter in the website manifest, with conditional docker-compose templating and template fixes to ensure correct fqdn evaluation. Fixed a Roundcube Shibboleth configuration issue by removing an unnecessary IP range from RemoteIPTrustedProxy, preserving authentication behavior. The changes reduce deployment drift, improve instance identification across environments, and enhance scalability and maintainability.
4 Commits • 1 Features
Jul 1, 2025July 2025 performance summary for SUNET/puppet-sunet: Delivered targeted improvements to distributed HAProxy deployments and streamlined trusted proxy configuration. Implemented HAProxy hostname/FQDN customization via a new set_fqdn parameter in the website manifest, with conditional docker-compose templating and template fixes to ensure correct fqdn evaluation. Fixed a Roundcube Shibboleth configuration issue by removing an unnecessary IP range from RemoteIPTrustedProxy, preserving authentication behavior. The changes reduce deployment drift, improve instance identification across environments, and enhance scalability and maintainability.
July 2025
May 2025
5 Commits • 1 Features
May 1, 2025May 2025 monthly summary for SUNET/puppet-sunet: Delivered targeted improvements focused on reliability, maintainability, and code quality in the Puppet/nftables configuration. Major progress includes a bug fix for Load Balancer Stats Port handling and comprehensive readability improvements for manifests and nftables templates, contributing to reduced production risk and faster future changes.
May 2025
5 Commits • 1 Features
May 1, 2025May 2025 monthly summary for SUNET/puppet-sunet: Delivered targeted improvements focused on reliability, maintainability, and code quality in the Puppet/nftables configuration. Major progress includes a bug fix for Load Balancer Stats Port handling and comprehensive readability improvements for manifests and nftables templates, contributing to reduced production risk and faster future changes.
April 2025
2 Commits • 2 Features
Apr 1, 2025April 2025 monthly summary for SUNET/puppet-sunet. Delivered centralized load balancer configuration using a Hiera variable (register_lbs) and exposed HAProxy statistics for monitoring. These changes streamline configuration management, improve observability, and support scalable deployments across environments. Commit references included for traceability: 2b6e1e795c6a0f95ab9099ad27eb7bb4b; 8d488aef9ffd6cd50bb183574a3e8f2e4738a036.
2 Commits • 2 Features
Apr 1, 2025April 2025 monthly summary for SUNET/puppet-sunet. Delivered centralized load balancer configuration using a Hiera variable (register_lbs) and exposed HAProxy statistics for monitoring. These changes streamline configuration management, improve observability, and support scalable deployments across environments. Commit references included for traceability: 2b6e1e795c6a0f95ab9099ad27eb7bb4b; 8d488aef9ffd6cd50bb183574a3e8f2e4738a036.
April 2025
March 2025
2 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for SUNET/puppet-sunet focusing on performance improvements, code robustness, and maintainability. Delivered targeted optimizations to the scanner and clarified Puppet manifest execution to reduce cross-manifest conflicts, driving faster scans, lower resource usage, and easier future maintenance.
March 2025
2 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for SUNET/puppet-sunet focusing on performance improvements, code robustness, and maintainability. Delivered targeted optimizations to the scanner and clarified Puppet manifest execution to reduce cross-manifest conflicts, driving faster scans, lower resource usage, and easier future maintenance.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 (2025-02) focused on strengthening maintainability and quality of the Puppet manifest in SUNET/puppet-sunet, with no behavioral changes to core load balancer functionality. The work reduced operational risk by improving code quality and lint compliance, making future changes safer and faster. Key achievements and business value: - Improved Load Balancer manifest maintainability and code quality without altering core functionality, enabling safer future enhancements. - Aligned code with Puppet linting standards, reducing CI failures and audit risk. - Implemented safer access to TLS certificate facts and proper string interpolation; introduced a dedicated FQDN variable to simplify conditional logic and resource instantiation. - Delivered changes via two commits focused on lint compliance and readability, setting the stage for easier maintenance and future feature work.
2 Commits • 1 Features
Feb 1, 2025February 2025 (2025-02) focused on strengthening maintainability and quality of the Puppet manifest in SUNET/puppet-sunet, with no behavioral changes to core load balancer functionality. The work reduced operational risk by improving code quality and lint compliance, making future changes safer and faster. Key achievements and business value: - Improved Load Balancer manifest maintainability and code quality without altering core functionality, enabling safer future enhancements. - Aligned code with Puppet linting standards, reducing CI failures and audit risk. - Implemented safer access to TLS certificate facts and proper string interpolation; introduced a dedicated FQDN variable to simplify conditional logic and resource instantiation. - Delivered changes via two commits focused on lint compliance and readability, setting the stage for easier maintenance and future feature work.
February 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SUNET/puppet-sunet: Delivered a focused improvement to certificate expiration checks by suppressing noisy OpenSSL x509 output and ensuring status is determined solely from the exit code. No core logic changes; changes applied to both template and script.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SUNET/puppet-sunet: Delivered a focused improvement to certificate expiration checks by suppressing noisy OpenSSL x509 output and ensuring status is determined solely from the exit code. No core logic changes; changes applied to both template and script.
November 2024
3 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for SUNET/puppet-sunet focused on delivering reliable network automation improvements and strengthening security posture. The team completed key feature work around ExaBGP compatibility and SSL hardening, while addressing a configuration template bug to reduce risk of misconfiguration. This period emphasizes business value through improved routing reliability, secure certificate handling, and maintainable infrastructure configurations.
3 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for SUNET/puppet-sunet focused on delivering reliable network automation improvements and strengthening security posture. The team completed key feature work around ExaBGP compatibility and SSL hardening, while addressing a configuration template bug to reduce risk of misconfiguration. This period emphasizes business value through improved routing reliability, secure certificate handling, and maintainable infrastructure configurations.
November 2024
October 2024
5 Commits
Oct 1, 2024Month: 2024-10 — Performance-focused monthly summary for SUNET/puppet-sunet. Delivered a critical fix to load balancer TLS certificate handling and FQDN resolution, improving secure traffic reliability and automation hygiene. The changes centered on correct facts usage, TLS certificate retrieval, environment variable mapping, and robust fallback behavior for certificate bundles. Implemented through a series of commits refining syntax, facts lookup, and logic to ensure stability. Result: secure, reliable, and auditable load balancer configuration with maintainable Puppet code.
October 2024
5 Commits
Oct 1, 2024Month: 2024-10 — Performance-focused monthly summary for SUNET/puppet-sunet. Delivered a critical fix to load balancer TLS certificate handling and FQDN resolution, improving secure traffic reliability and automation hygiene. The changes centered on correct facts usage, TLS certificate retrieval, environment variable mapping, and robust fallback behavior for certificate bundles. Implemented through a series of commits refining syntax, facts lookup, and logic to ensure stability. Result: secure, reliable, and auditable load balancer configuration with maintainable Puppet code.
Activity
Loading activity data...
Quality Metrics
Correctness88.2%
Maintainability91.2%
Architecture88.4%
Performance82.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashERBErbJSONPuppetRubyShellYAMLbasherb
Technical Skills
API InteractionCI/CDConfiguration ManagementDatabase ManagementDevOpsDockerGitHub ActionsInfrastructure as CodeNetwork ConfigurationPuppetScriptingServer ConfigurationShell ScriptingSystem Administrationcertificate management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline