runtime-image-update.yaml

---
name: Update runtime image tag

on:  # yamllint disable-line rule:truthy
  schedule:
    - cron: '0 0 * * *'  # Run every day at midnight UTC
  workflow_dispatch:
    inputs:
      quay_repo:
        description: 'Quay Repository'
        default: 'astronomer/astro-runtime'

jobs:
  runtime-image-tag-update-job:
    runs-on: 'ubuntu-20.04'

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.9'

      - name: Install dependencies
        run: pip install requests semantic-version

      - name: Get current tag from Dockerfile.astro_cloud
        id: get_current_tag
        # yamllint disable rule:line-length
        run: |
          CURRENT_TAG=$(awk -F: '/quay.io\/astronomer\/astro-runtime/ {print $NF}' ./.circleci/integration-tests/Dockerfile.astro_cloud)
          echo "CURRENT_TAG=$CURRENT_TAG"
          echo "tag=$CURRENT_TAG" >> $GITHUB_OUTPUT
        # yamllint enable rule:line-length

      - name: Get latest tag from Quay.io
        id: get_latest_tag
        # yamllint disable rule:line-length
        run: |
          LATEST_TAG=$(python ./.github/scripts/get_latest_runtime_image_tag.py ${{ github.event.inputs.quay_repo }})
          echo "LATEST_TAG=$LATEST_TAG"
          echo "tag=$LATEST_TAG" >> $GITHUB_OUTPUT
        # yamllint enable rule:line-length

      - name: Check if tag was updated
        id: check_tag_updated
        run: |
          if [ "${{ steps.get_current_tag.outputs.tag }}" != "${{ steps.get_latest_tag.outputs.tag }}" ]; then
            echo "Tag was updated"
            echo "tag_updated=true" >> $GITHUB_OUTPUT
          else
            echo "Tag was not updated"
            echo "tag_updated=false" >> $GITHUB_OUTPUT
          fi

      - name: Create runtime image tag update branch
        id: create_runtime_image_update_branch
        run: |
          BRANCH_NAME="update-runtime-image-tag-${{ steps.get_latest_tag.outputs.tag }}"
          git fetch origin main
          git checkout main
          git checkout -b $BRANCH_NAME
          echo "BRANCH_NAME=$BRANCH_NAME"
          echo "runtime_image_update_branch=$BRANCH_NAME" >> $GITHUB_OUTPUT

      - name: Replace tag in Dockerfile.astro_cloud
        if: steps.check_tag_updated.outputs.tag_updated == 'true'
        # yamllint disable rule:line-length
        run: |
          sed -i "s@quay.io/astronomer/astro-runtime:${{ steps.get_current_tag.outputs.tag }}@quay.io/astronomer/astro-runtime:${{ steps.get_latest_tag.outputs.tag }}@g" ./.circleci/integration-tests/Dockerfile.astro_cloud
          echo "::group::cat Dockerfile.astro_cloud"
          cat  ./.circleci/integration-tests/Dockerfile.astro_cloud
          echo "::endgroup::"
        # yamllint enable rule:line-length

      - name: Replace tag in Makefile
        if: steps.check_tag_updated.outputs.tag_updated == 'true'
        # yamllint disable rule:line-length
        run: |
          sed -i "s@quay.io/astronomer/astro-runtime:${{ steps.get_current_tag.outputs.tag }}@quay.io/astronomer/astro-runtime:${{ steps.get_latest_tag.outputs.tag }}@g" ./Makefile
          echo "::group::cat Makefile"
          cat ./Makefile
          echo "::endgroup::"
        # yamllint enable rule:line-length

      - name: Setup Github Actions git user
        if: steps.check_tag_updated.outputs.tag_updated == 'true'
        run: |
          git config --global user.email "airflow-oss-bot@astronomer.io"
          git config --global user.name "airflow-oss-bot"

      - name: Commit changes and create a pull request
        if: steps.check_tag_updated.outputs.tag_updated == 'true'
        env:
          GH_TOKEN: ${{ github.token }}
        # yamllint disable rule:line-length
        run: |
          set -e
          git add Makefile .circleci/integration-tests/Dockerfile.astro_cloud
          git commit -m "Update runtime image tag to ${{ steps.get_latest_tag.outputs.tag }}"
          git push origin ${{ steps.create_runtime_image_update_branch.outputs.runtime_image_update_branch }}
          gh pr create --base main \
            --title "Update runtime image tag to ${{ steps.get_latest_tag.outputs.tag }}" \
            --body "This pull request updates the runtime image tag in the `Dockerfile.astro_cloud` and `Makefile` to the latest tag." --fill
        # yamllint enable rule:line-length