check-arm64.yml

name: Verify ARM64 image availability

on:
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened

permissions:
  contents: read
  pull-requests: write
  issues: write

jobs:
  check-title:
    runs-on: ubuntu-latest
    outputs:
      matched: ${{ steps.check_title.outputs.matched }}
    steps:
      - name: Check PR Title for Docker Image Update
        id: check_title
        run: |
          PR_TITLE="${{ github.event.pull_request.title }}"
          if echo "$PR_TITLE" | grep -E -q 'Update .* Docker (tag|digest)'; then
            echo "matched=true" >> $GITHUB_OUTPUT
          else
            echo "matched=false" >> $GITHUB_OUTPUT
          fi

  check-arm64-image:
    needs: check-title
    if: needs.check-title.outputs.matched == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Install dependencies
        run: |
          python -m pip install requests

      - name: Extract Image, Tag, and Digest from PR Diff
        id: extract_image_tag_digest
        env:
          PR_NUMBER: ${{ github.event.number }}
          GITHUB_REPOSITORY: ${{ github.repository }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          python .github/scripts/extract_image_info.py

      - name: Run ARM64 Availability Check
        id: arm64_check
        run: |
          python .github/scripts/check_arm64.py "${{ env.IMAGE }}" "${{ env.TAG }}" "${{ env.DIGEST }}"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        continue-on-error: false

      - name: Add `donotmerge` Label if Arm64 Not Available
        if: failure()
        run: |
          gh pr edit ${{ github.event.number }} --add-label "donotmerge"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Remove `donotmerge` Label if Arm64 Available
        if: success()
        run: |
          gh pr edit ${{ github.event.number }} --remove-label "donotmerge"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}