check-api-changes.yaml

name: "Check for changes in Controller APIs"

on:
  pull_request:
    branches: [ "api-changes-pipeline-test" ]
    types:
      - "opened"
      - "reopened"
      - "synchronize"
      - "labeled"
      - "unlabeled"

jobs:
  check-api-diff:
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'confirm/api-changes') }}
    name: Check API diff
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR ref of lifecycle-manager
        uses: actions/checkout@v4

      - name: Copy PR CRDs to temp dir
        run: mkdir -p /tmp/pr-crds && cp ./config/crd/bases/* /tmp/pr-crds/

      - name: Checkout main of lifecycle-manager
        uses: actions/checkout@v4
        with:
          ref: main

      - name: Copy main CRDs to temp dir
        run: mkdir -p /tmp/main-branch-crds && cp ./config/crd/bases/* /tmp/main-branch-crds/

      - name: Compare Number of CRD files
        working-directory: /tmp
        run: |
          pr_files=$(ls ./pr-crds)
          main_files=$(ls ./main-branch-crds)
          
          if [[ "$pr_files" != "$main_files" ]]; then
            echo "Number of CRD files do not match"
            echo "Differences between pr-crds and main-branch-crds:"
            diff -r pr-crds main-branch-crds || true
            exit 1
          fi
          echo "Number of CRD files match"

      - name: Compare API versions in CRD files
        working-directory: /tmp
        run: |
          compare_versions() {
            pr_file=$1
            main_file=$2

            pr_versions=$(yq e '.spec.versions[].name' "$pr_file" | sort)
            main_versions=$(yq e '.spec.versions[].name' "$main_file" | sort)

            if [[ "$pr_versions" != "$main_versions" ]]; then
              echo "API versions do not match in $pr_file"
              echo "Versions in PR: $pr_versions"
              echo "Versions on main: $main_versions"
              exit 1
            fi
          }

          for file in $(ls ./pr-crds); do
            compare_versions "./pr-crds/$file" "./main-branch-crds/$file"
          done

          echo "API versions match in all CRD files"