verify-odh-model-controller-img-tag.yaml

name: Check ODH Model Controller Image Tag

on:
  pull_request:
    branches: [incubating, main]
    paths:
      - "config/base/params.env"

jobs:
  check-image-tag:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout PR branch
        uses: actions/checkout@v4

      - name: Extract image tag from PR branch
        id: extract-pr
        run: |
          IMAGE_TAG=$(grep '^odh-model-controller' config/base/params.env | cut -d '=' -f 2 | cut -d ':' -f 2 | tr -d ' ')
          echo "PR_IMAGE_TAG=$IMAGE_TAG" >> $GITHUB_ENV

      - name: Compare image tags
        id: compare-tags
        run: |
          if [ "${{ github.base_ref }}" == "incubating" ]; then
            EXPECTED_TAG="fast"
          elif [[ "${{ github.base_ref }}" == "main" ]]; then
            EXPECTED_TAG="stable"
          elif [[ "${GITHUB_REF}" == refs/tags/odh-v* ]]; then
            TAG="${GITHUB_REF#refs/tags/}"
            echo "EXPECTED_TAG=${TAG}" >> $GITHUB_ENV
          else
            echo "Unknown destination branch: ${{ github.base_ref }} or tag: ${GITHUB_REF}"
            exit 1
          fi

          # Check if PR_IMAGE_TAG matches EXPECTED_TAG followed by a dot and digits
          PR_IMAGE_TAG=${{ env.PR_IMAGE_TAG }}
          if [[ ! "$PR_IMAGE_TAG" =~  ^"$EXPECTED_TAG"(\.[0-9]+)?$ ]]; then
            echo "Image tag mismatch! Expected '$EXPECTED_TAG' but found '$PR_IMAGE_TAG'"
            exit 1
          fi

          echo "Image tag ('$PR_IMAGE_TAG') is correct."