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Marcin Kolasinski

PROFILE

Marcin Kolasinski

Mikolaj Kolasinski modernized the CI/CD workflow for the splunk/addonfactory-workflow-addon-release repository, focusing on test environment parity and build reliability. He isolated development dependencies by introducing a dedicated Python virtual environment for unit tests, ensuring tests ran against production dependencies for accurate validation. Using Python, Shell scripting, and GitHub Actions, he enforced dynamic Python version consistency and improved workflow automation. In a subsequent update, he enhanced CI reliability by modifying the pipeline to fail when development dependencies were missing, surfacing configuration issues early. This work demonstrated a methodical approach to DevOps, emphasizing reproducibility, error handling, and robust workflow hygiene.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

5Total
Bugs
1
Commits
5
Features
1
Lines of code
56
Activity Months2

Work History

October 2025

1 Commits

Oct 1, 2025

2025-10 monthly summary: Strengthened CI reliability for the addon release workflow by hardening the GitHub Actions pipeline to fail when dev_deps/requirements_dev.txt is missing, ensuring missing development dependencies surface as a build environment issue rather than a false pass. This change reduces mask-free failures, accelerates remediation, and improves release confidence across the repo splunk/addonfactory-workflow-addon-release.

September 2025

4 Commits • 1 Features

Sep 1, 2025

September 2025: Delivered CI/CD Workflow Modernization and Test Environment Parity for splunk/addonfactory-workflow-addon-release. Consolidated CI/CD improvements to isolate development dependencies, introduced a dedicated test virtual environment, enforced production dependencies in unit tests for production parity, and maintained Python version consistency across installs and tests. The work was implemented through four commits targeting dev-deps handling, a separate unit-test venv, prod-deps in unit-tests, and dynamic Python version adjustments.

Activity

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Quality Metrics

Correctness84.0%
Maintainability88.0%
Architecture84.0%
Performance76.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PythonShellYAML

Technical Skills

CI/CDDevOpsGitHub ActionsPython DevelopmentPython Virtual EnvironmentsShell ScriptingWorkflow Automation

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

splunk/addonfactory-workflow-addon-release

Sep 2025 Oct 2025
2 Months active

Languages Used

PythonShellYAML

Technical Skills

CI/CDDevOpsGitHub ActionsPython DevelopmentPython Virtual EnvironmentsShell Scripting

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