verify-manifest.yml

name: Check Velero Manifest

on: pull_request

jobs:
  check-velero-manifest:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Create kind cluster
        uses: helm/kind-action@v1.5.0

      - name: Install velero
        run: |
          echo "Determine the velero version"
          VERSION=$(yq eval ".image.tag" charts/velero/values.yaml)

          echo "Install velero $VERSION"
          wget https://github.com/vmware-tanzu/velero/releases/download/${VERSION}/velero-${VERSION}-linux-amd64.tar.gz
          tar -xvf velero-${VERSION}-linux-amd64.tar.gz
          cd velero-${VERSION}-linux-amd64
          sudo cp velero /usr/local/bin
          velero version

      - name: Compare manifests
        run: |
          cd charts/velero
          mkdir -p diff_workspace

          echo "Generate velero manifest file"
          velero install --crds-only --dry-run -o yaml | kubectl apply --dry-run=client -f - -o yaml > diff_workspace/velero_manifest.yaml

          echo "Generate crds manifest file"
          kubectl apply --dry-run=client -f crds/ -o yaml > diff_workspace/crds_manifest.yaml

          echo "Filter non-required values"
          for yaml_file in diff_workspace/*.yaml; do
            yq -i '.items |= sort_by(.metadata.name)' "$yaml_file"
            yq -i 'del(.items[].metadata.creationTimestamp)' "$yaml_file"
            yq -i 'del(.items[].metadata.annotations."kubectl.kubernetes.io/last-applied-configuration")' "$yaml_file"
            yq -i 'del(.status)' "$yaml_file"
          done

          echo "Compare the two files using diff"
          difference=$(diff diff_workspace/velero_manifest.yaml diff_workspace/crds_manifest.yaml) || true
          if [ -z "$difference" ]; then
            echo "Files are synced. No differences found."
          else
            echo "Differences between velero_manifest.yaml and crds_manifest.yaml:"
            echo "$difference"
            exit 1
          fi