release.yml

name: Release
on:
  workflow_dispatch:
    inputs:
      override:
        type: boolean
        description: Replace existing tag/version
        default: false
      latest:
        type: boolean
        description: Update `:latest` on Docker Hub
        default: false

jobs:
  sanity_check:
    runs-on: ubuntu-22.04
    name: Prepare version
    outputs:
      tag: ${{ steps.extract.outputs.tag }}
    steps:
      - uses: actions/checkout@v4
        with:
          # get all tags
          fetch-depth: 0
      - name: Extract tag from Dockerfile
        shell: bash
        id: extract
        run: |
          echo tag="$(sed -rn 's/^ARG APK_VERSION=\"([0-9]+\.[0-9]+\.[0-9]+).*\"$/\1/p' Dockerfile)" >> "$GITHUB_OUTPUT"\
      - name: Verify tag extraction
        shell: bash
        run: |
          [[ -z "${{ steps.extract.outputs.tag }}" ]] && echo "Could not extract current version" && exit 1 || exit 0
      - name: Check if tag exists
        shell: bash
        if: ${{ ! inputs.override }}
        env:
          TAG_URL: "https://hub.docker.com/v2/repositories/jbergstroem/mariadb-alpine/tags?page_size=100"
        run: |
          [[ $(git tag -l "${{ steps.extract.outputs.tag }}") || $(curl -L -s "${{ env.TAG_URL }}" | jq -r '.results[] | select(.name=="${{ steps.extract.outputs.tag }}")') ]] && \
          echo "Tag already exists. Quitting." && exit 1 || exit 0

  test:
    name: Run e2e tests
    needs:
      - sanity_check
    uses: ./.github/workflows/test.yml

  release:
    name: Build and push multi-platform
    runs-on: ubuntu-22.04
    needs:
      - sanity_check
      - test
    env:
      platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386,linux/s390x,linux/ppc64le
      image: jbergstroem/mariadb-alpine
      ref_url: ${{ github.api_url }}/repos/${{ github.repository }}/git/refs
    steps:
      - uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3.3.0
        with:
          platforms: ${{ env.platforms }}
      - name: Enable latest tag
        if: ${{ inputs.latest }}
        run: echo LATEST=",${{ env.image }}:latest" >> "$GITHUB_ENV"
      - name: Set build args
        run: |
          echo BUILD_DATE="$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> "$GITHUB_ENV"
          echo BUILD_REF="$(git rev-parse --short HEAD)" >> "$GITHUB_ENV"
      - name: Build containers for all platforms
        uses: docker/build-push-action@v5.3.0
        with:
          platforms: ${{ env.platforms }}
          tags: ${{ env.image }}:${{ needs.sanity_check.outputs.tag }}${{ env.LATEST }}
          push: false
          build-args: |
            BUILD_DATE=${{ env.BUILD_DATE }}
            BUILD_REF=${{ env.BUILD_REF }}
            BUILD_VERSION=${{ needs.sanity_check.outputs.tag }}
      - name: Remove old git reference
        if: ${{ inputs.override }}
        run: |
          curl -s -X DELETE "${{ env.ref_url }}/tags/${{ needs.sanity_check.outputs.tag }}" \
            -H "Authorization: token ${{ github.token }}"
      - name: Create git reference
        run: |
          curl -s -X POST "${{ env.ref_url }}" \
            -H "Authorization: token ${{ github.token }}" \
            -d '{ "ref": "refs/tags/${{ needs.sanity_check.outputs.tag }}", "sha": "${{ github.sha }}" }' | \
            grep "Reference already exists" && echo "Tag already exists. Quitting." && exit 1 || exit 0
      - name: Login to Docker Hub
        uses: docker/login-action@v3.2.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Push to Docker hub
        uses: docker/build-push-action@v5.3.0
        with:
          platforms: ${{ env.platforms }}
          tags: ${{ env.image }}:${{ needs.sanity_check.outputs.tag }}${{ env.LATEST }}
          push: true
          build-args: |
            BUILD_DATE=${{ env.BUILD_DATE }}
            BUILD_REF=${{ env.BUILD_REF }}
            BUILD_VERSION=${{ needs.sanity_check.outputs.tag }}