Move to ubuntu-slim #21196
Move to ubuntu-slim #21196
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Blocked on Homebrew/actions#770 |
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ubuntu-slim is a container so not sure if container-in-container will be supported. Maybe just try everything without |
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Let's try to see if these workers are faster and/or cheaper and still work.
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Pull request overview
This pull request systematically replaces the ubuntu-latest runner with ubuntu-slim across 14 GitHub Actions workflow files in an experimental attempt to evaluate whether slim runners provide better performance or cost efficiency while maintaining functionality.
Key Changes
- Replaced
ubuntu-latestwithubuntu-slimrunner type across all applicable workflow jobs - Changes are consistent and uniform across all modified files
- No functional changes to workflow logic, only infrastructure changes
Reviewed changes
Copilot reviewed 14 out of 14 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
.github/workflows/tests.yml |
Updated syntax, vendored-gems, update-test (Linux), and analytics (Linux) jobs to use ubuntu-slim |
.github/workflows/sync-default-branches.yml |
Updated sync job to use ubuntu-slim |
.github/workflows/stale-issues.yml |
Updated both mark-stale and label-pr jobs to use ubuntu-slim |
.github/workflows/sponsors-maintainers-man-completions.yml |
Updated updates and issue jobs to use ubuntu-slim |
.github/workflows/spdx.yml |
Updated spdx and issue jobs to use ubuntu-slim |
.github/workflows/sorbet.yml |
Updated issue job to use ubuntu-slim |
.github/workflows/sbom.yml |
Updated sbom and issue jobs to use ubuntu-slim |
.github/workflows/doctor.yml |
Updated determine-runners job to use ubuntu-slim |
.github/workflows/docs.yml |
Updated docs, deploy, and issue jobs to use ubuntu-slim |
.github/workflows/copilot-setup-steps.yml |
Updated copilot-setup-steps job to use ubuntu-slim |
.github/workflows/command-not-found-db-update.yml |
Updated delete-old-versions job to use ubuntu-slim |
.github/workflows/codeql-analysis.yml |
Updated analyze job to use ubuntu-slim |
.github/workflows/autogenerated-files.yml |
Updated autogenerated job to use ubuntu-slim |
.github/workflows/actionlint.yml |
Updated upload_sarif job to use ubuntu-slim |
Critical Issue Identified: The ubuntu-slim runner type is not a standard GitHub Actions hosted runner as of January 2025. All instances of this runner type should be verified to ensure it is either a newly introduced GitHub feature, a valid self-hosted runner label for this organization, or corrected if it's a typo. The workflows will fail if this runner type is not available.
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Let's try to see if these workers are faster and/or cheaper and still work.