build-docker-image.yaml

name: Build hydra image

on:
  pull_request_target:
    types: [opened, synchronize, reopened]
    paths:
      - 'docker/env/Dockerfile'
      - 'docker/env/build_n_push.sh'
      - 'requirements.in'
      - 'requirements.txt'

permissions:
  actions: write
  contents: write

jobs:
  check_org_membership:
    runs-on: ubuntu-latest
    outputs:
      isTeamMember: ${{ steps.teamAffiliation.outputs.isTeamMember }}
    steps:
      - name: Check user for team affiliation
        uses: tspascoal/get-user-teams-membership@v3
        if: github.actor != 'renovate[bot]'
        id: teamAffiliation
        with:
          GITHUB_TOKEN: ${{ secrets.AUTO_BACKPORT_TOKEN }}
          username: ${{ github.actor }}
          team: 'dev'

  build_image:
    needs: check_org_membership
    if: github.actor == 'renovate[bot]' || (needs.check_org_membership.outputs.isTeamMember == 'true' && contains(github.event.pull_request.labels.*.name, 'New Hydra Version'))
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.head_ref }}
          persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.

      - name: Check if docker image is already built
        run: |
          git fetch origin master
          commits_headlines=$(git log origin/master..HEAD --pretty=format:"%s")

          if [[ "$commits_headlines" == *"chore(hydra): create image"* ]]; then
              echo "Docker image already built"
              exit 0
          else
              echo "Docker image not built yet"
          fi
        env:
          GH_TOKEN: ${{ secrets. GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install uv==0.2.24

      - name: Generate a random name based on PR
        run: |
          docker_version=$(cut -d'-' -f1 ./docker/env/version | awk -F. '{print $1"."$2+1}')
          sha=$(echo "${{ github.sha }}" | cut -c1-7)
          echo "${docker_version}-PR${{ github.event.number }}-${sha}" > ./docker/env/version

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build Docker image
        run: |
          ./docker/env/build_n_push.sh

      - name: Configure Git
        run: |
          git config --global user.name 'scylla-sct[bot]'
          git config --global user.email 'scylla-sct[bot]@users.noreply.github.com'

      - name: Commit changes
        run: |
          git add -u
          git commit -m "chore(hydra): create image $( cat ./docker/env/version )"

      - name: Push changes
        uses: ad-m/github-push-action@v0.6.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ github.head_ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}