ci.yml

name: CI

on: push

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          ## Alpine
          ### Alpine 3.17
          - image: "alpine/3.17/8.1/Dockerfile"
            tags: [ "spryker/php:8.1-alpine3.17" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.17/8.2/Dockerfile"
            tags: [ "spryker/php:8.2-alpine3.17" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.17/8.3/Dockerfile"
            tags: [ "spryker/php:8.3-alpine3.17" ]
            platforms: [ "linux/amd64", "linux/arm64" ]

          ### Alpine 3.18
          - image: "alpine/3.18/8.1/Dockerfile"
            tags: [ "spryker/php:8.1-alpine3.18" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.18/8.2/Dockerfile"
            tags: [ "spryker/php:8.2-alpine3.18" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.18/8.3/Dockerfile"
            tags: [ "spryker/php:8.3-alpine3.18" ]
            platforms: [ "linux/amd64", "linux/arm64" ]

          ### Alpine 3.19
          - image: "alpine/3.19/8.1/Dockerfile"
            tags: [ "spryker/php:8.1-alpine3.19" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.19/8.2/Dockerfile"
            tags: [ "spryker/php:8.2-alpine3.19" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.19/8.3/Dockerfile"
            tags: [ "spryker/php:8.3-alpine3.19" ]
            platforms: [ "linux/amd64", "linux/arm64" ]

          ### Alpine 3.20
          - image: "alpine/3.20/8.1/Dockerfile"
            tags: [ "spryker/php:8.1", "spryker/php:8.1-alpine3.20" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.20/8.2/Dockerfile"
            tags: [ "spryker/php:latest", "spryker/php:8.2", "spryker/php:8.2-alpine3.20" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "alpine/3.20/8.3/Dockerfile"
            tags: [ "spryker/php:8.3", "spryker/php:8.3-alpine3.20" ]
            platforms: [ "linux/amd64", "linux/arm64" ]

          ## Debian
          ### Debian bullseye
          - image: "debian/bullseye/8.0/Dockerfile"
            tags: [ "spryker/php:8.0-debian" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "debian/bullseye/8.1/Dockerfile"
            tags: [ "spryker/php:8.1-debian" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "debian/bullseye/8.2/Dockerfile"
            tags: [ "spryker/php:8.2-debian" ]
            platforms: [ "linux/amd64", "linux/arm64" ]
          - image: "debian/bullseye/8.3/Dockerfile"
            tags: [ "spryker/php:8.3-debian" ]
            platforms: [ "linux/amd64", "linux/arm64" ]

    steps:
      - name: Check out repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get the previous commit hash
        id: previous_commit
        run: |
          if [ "${{ github.ref }}" == "refs/heads/master" ]; then
            PREV_COMMIT_HASH=$(git rev-parse HEAD^1)
          else
            PREV_COMMIT_HASH=$(git rev-parse origin/master)
            IMAGE_TAG="${{ matrix.tags[0] }}"
            echo "Pulling image $IMAGE_TAG"
            docker pull "$IMAGE_TAG"
          
            NEW_TAG="${IMAGE_TAG}-${PREV_COMMIT_HASH}"
            echo "Re-tagging image to $NEW_TAG"
            docker tag "$IMAGE_TAG" "$NEW_TAG"
          
            echo "Removing the pulled image $IMAGE_TAG"
            docker rmi "$IMAGE_TAG" || true
          fi
          echo "PREV_COMMIT_HASH=$PREV_COMMIT_HASH" >> $GITHUB_ENV   

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Re-tag images with previous commit hash
        if: ${{ github.ref == 'refs/heads/master' }}
        run: |
          PREV_HASH=${{ env.PREV_COMMIT_HASH }}
          IMAGE_TAGS="${{ join(matrix.tags, ' ') }}"
          for IMAGE_TAG in $IMAGE_TAGS; do
            docker pull "$IMAGE_TAG"
            NEW_TAG="${IMAGE_TAG}-${PREV_HASH}"
            docker tag "$IMAGE_TAG" "$NEW_TAG"
            echo "Re-tagged image: $NEW_TAG"
            docker push $NEW_TAG
          done

      - name: Build for diff and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: false
          load: true
          file: ${{ matrix.image }}
          tags: ${{ join(matrix.tags) }}
          platforms: "linux/amd64"

#      - name: Build and push
#        id: docker_build
#        uses: docker/build-push-action@v2
#        with:
#          push: ${{ github.ref == 'refs/heads/master' }}
#          file: ${{ matrix.image }}
#          tags: ${{ join(matrix.tags) }}
#          platforms: ${{ join(matrix.platforms) }}

      - name: Current image report
        run: |
          CURRENT_TAG=${{ matrix.tags[0] }}
          bash .github/compare-images.sh $CURRENT_TAG > current-image-report.txt || true
          cat current-image-report.txt

      - name: Previous image report
        run: |
          PREVIOUS_TAG="${{ matrix.tags[0] }}-${{ env.PREV_COMMIT_HASH }}"
          bash .github/compare-images.sh $PREVIOUS_TAG > previous-image-report.txt || true
          cat previous-image-report.txt

      - name: Run the diff
        run: |
          DIFF_OUTPUT=$(diff current-image-report.txt previous-image-report.txt | sed ':a;N;$!ba;s/\n/\\n/g' || true)
          echo "$DIFF_OUTPUT"
          
          echo "DIFF_OUTPUT<<EOF" >> $GITHUB_ENV
          echo "$DIFF_OUTPUT" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

      - name: Send Slack Notification
#        if: ${{ github.ref == 'refs/heads/master' }}
        uses: slackapi/slack-github-action@v1.24.0
        with:
          payload: |
            {
              "attachments": [
                {
                  "pretext": "Release changes for *spryker/php:${{ matrix.tags[0] }}*",
                  "color": "good",
                  "fields": [
                    {
                      "title": "Image diff:",
                      "value": "${{ env.DIFF_OUTPUT }}",
                      "short": false
                    }
                  ]
                }
              ]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK