Refactor GitHub Actions Workflows#287
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Introduce a CI workflow that validates all kustomization.yaml files in the config directory on pull requests to main. This ensures Kustomize configurations remain valid and buildable. With this change, we are additionally fixing the invalid file reference in config/samples/kustomization.yaml that was previously undiscovered.
Enhance the github action workflow with Go build caching, PR triggers for validation builds, and tag-based releases. Images are only pushed on main branch commits and version tags, while PRs only build without pushing. The introduced caching uses the experimental GitHub Actions Cache Exporter Backend to fetch and upload cache blocks for the container image build. Additionally, buildkit cache mounts are being preserved between builds by injecting a temporary container with the cache mount data in the Docker build steps. The procedure is outlined in the Docker Documentation[^1]. Additionally, we don't run any make target during the build process any longer, removing the requirement to install make into the Dockerfile and building the manager binary directly using the appropriate 'go build' command given that required BININFO_ arguments are provided now as build-argument to the docker build context during the workflow execution. [^1]: https://docs.docker.com/build/ci/github-actions/cache/#github-cache.
Introduce a workflow that automatically labels pull requests with size indicators (XS, S, M, L, XL) based on lines changed. This helps reviewers quickly assess PR scope and prioritize reviews.
Introduce a workflow that packages and pushes the Helm chart to ghcr.io as an OCI artifact. Release tags use semantic versioning while branch builds use commit-based versions. PRs only validate the chart package. Additionally, in the published helm chart we intentionally omit any helm dependencies.
Introduce a workflow that runs code generation targets and detects any uncommitted changes. This ensures generated code, docs, charts, and formatting are always up to date in pull requests. This change additionally fixes uncommitted changes that were previously not detected.
Stop using go-makefile-maker for GitHub Actions workflow generation. With recent additions of custom workflows, maintaining consistency between auto-generated and manually written pipelines became impractical. The effort to update all workflows already requires reviewing each one, so auto-generation provides diminishing value. Additionally, some generated workflows like CodeQL are redundant (enabled at repo level) while others like test-chart required manual modifications anyway. Going forward, all workflows will be manually maintained for this project, providing full control over CI/CD configuration.
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sven-rosenzweig
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With this PR we stop using go-makefile-maker for GitHub Actions workflow generation. With recent additions of custom workflows, maintaining consistency between auto-generated and manually written pipelines became impractical. The effort to update all workflows already requires reviewing each one, so auto-generation provides diminishing value. Additionally, some generated workflows like CodeQL are redundant (enabled at repo level) while others like test-chart or publishing the docker image to
ghcr.iorequired manual modifications anyway.Going forward, all workflows will be manually maintained for this project, providing full control over CI/CD configuration.