gha-runner-scale-set-helmfile: add new ARC runner image#4261
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gha-runner-scale-set-helmfile: add new ARC runner image#4261
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The legacy actions-runner-helmfile/ directory builds on summerwind/actions-runner, which is incompatible with the new ARC (gha-runner-scale-set) chart. To avoid breaking the legacy ARC runners while the migration is in progress, this PR introduces a parallel directory rather than rewriting the existing one. The new image is published as chatwork/gha-runner-scale-set-helmfile, using ghcr.io/actions/actions-runner as the base so the chart-supplied /home/runner/run.sh command takes effect (no ENTRYPOINT/CMD override). variant.mod sources the runner version from the actions/runner GitHub Releases instead of summerwind/actions-runner Docker Hub tags, with a SemVer-only validVersionPattern. Pre-installed tooling (latest stable at the time of writing): - runner: 2.334.0 - kubectl: 1.36.0 - helmfile: 1.5.0 - helm: 4.1.4 - kustomize: 5.8.1 - helm-diff: 3.15.6 - helm-secrets: 4.7.6 - helm-git: 1.5.2 - yq: 4.53.2 Once the legacy ARC runners that consume actions-runner-helmfile are decommissioned, the legacy directory can be removed in a separate PR. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Add
gha-runner-scale-set-helmfile/— a new image that provides a self-hosted GitHub Actions runner image preloaded with helmfile / kubectl / helm / kustomize / yq + helm plugins, built on the new ARC (gha-runner-scale-set) base image (ghcr.io/actions/actions-runner).Why a new directory instead of modifying
actions-runner-helmfile/:actions-runner-helmfileimage is still consumed by the legacy ARC runners. Replacing it would break those runners until they are migrated.actions-runner-helmfile/directory can be removed in a follow-up PR.The new image is published as
chatwork/gha-runner-scale-set-helmfile. It drops the legacyENTRYPOINT/CMDso the chart-supplied/home/runner/run.shcommand takes effect.variant.mod
Same auto-update flow as the legacy directory, but the runner dependency now sources from
actions/runnerGitHub Releases (the new ARC tag scheme is plain SemVer) instead ofsummerwind/actions-runnerDocker Hub tags.Pre-installed tooling
Bumped to current stable at the time of authoring:
Test plan
testjob passes (build + goss test) on linux/amd64 and linux/arm64pushjob publisheschatwork/gha-runner-scale-set-helmfile:v2.334.0-v1.5.0-v4.1.4to Docker Hubdocker pull chatwork/gha-runner-scale-set-helmfile:v2.334.0-v1.5.0-v4.1.4 && docker run --rm chatwork/gha-runner-scale-set-helmfile:v2.334.0-v1.5.0-v4.1.4 helmfile -vchatwork/helmfilesrunner migration (separate PR; the runner Pod registers and runshelmfile-diff/applyjobs successfully)🤖 Generated with Claude Code