validate-crd.yaml

name: Check CRD version update

on:
  pull_request:
    paths:
      - 'pkg/k8s/apis/cilium.io/client/crds/v1alpha1/*.yaml'
      - 'pkg/k8s/apis/cilium.io/v1alpha1/version.go'
      - '.github/workflows/validate-crd.yaml'

jobs:
  check-version:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout repository
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0

      - name: Check for CRD changes and version update
        run: |
          crd_changed=0
          version_changed=0

          # Check for CRD changes
          crd_changes=$(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }} -- pkg/k8s/apis/cilium.io/client/crds/v1alpha1/*.yaml)
          if [ -n "$crd_changes" ]; then
            crd_changed=1
          fi

          # Check for version variable changes

          old_version=$(git show ${{ github.event.pull_request.base.sha }}:pkg/k8s/apis/cilium.io/v1alpha1/version.go | sed -n 's/^const CustomResourceDefinitionSchemaVersion = "\(.*\)".*/\1/p')
          new_version=$(sed -n 's/^const CustomResourceDefinitionSchemaVersion = "\(.*\)".*/\1/p' pkg/k8s/apis/cilium.io/v1alpha1/version.go)

          echo "old_version=$old_version"
          echo "new_version=$new_version"

          if [ "$old_version" != "$new_version" ]; then
            version_changed=1
          fi

          if [ "$crd_changed" -eq 1 ] && [ "$version_changed" -eq 0 ]; then
            echo "Changes to the files pkg/k8s/apis/cilium.io/client/crds/v1alpha1/*.yaml requires CustomResourceDefinitionSchemaVersion to be updated in pkg/k8s/apis/cilium.io/v1alpha1/version.go"
            exit 1
          fi

          if [ "$crd_changed" -eq 0 ] && [ "$version_changed" -eq 1 ]; then
            echo "CustomResourceDefinitionSchemaVersion in pkg/k8s/apis/cilium.io/v1alpha1/version.go to be updated only in case of modifying the files pkg/k8s/apis/cilium.io/client/crds/v1alpha1/*.yaml"
            exit 1
          fi