name: Build And Push Docker Image

on:
  push:
    branches:
      - main

env:
  DOCKER_REPOSITORY: quay.io/unstructured-io/unstructured
  DOCKER_BUILD_REPOSITORY: quay.io/unstructured-io/build-unstructured
  PIP_VERSION: "23.2.1"
  PYTHON_VERSION: "3.8"

jobs:
  set-short-sha:
    runs-on: ubuntu-latest
    outputs:
      short_sha: ${{ steps.set_short_sha.outputs.short_sha }}
    steps:
      - name: Set Short SHA
        id: set_short_sha
        run: echo "short_sha=$(echo ${{ github.sha }} | cut -c1-7)" >> $GITHUB_OUTPUT

  build-images:
    strategy:
      matrix:
        docker-platform: ["linux/arm64", "linux/amd64"]
    runs-on: ubuntu-latest
    needs: set-short-sha
    env:
      SHORT_SHA: ${{ needs.set-short-sha.outputs.short_sha }}
    steps:
    - name: Set up Docker
      # Use the `docker` driver for AMD builds because the `docker-container` driver may fail to locally load the built image.
      # This could be due to the larger size of the AMD build and the `docker-container` driver needing to load the tarball.
      # Use the `docker-container` driver for ARM builds because it may otherwise intermittently fail with: `exec /bin/sh: exec format error`
      uses: docker/setup-buildx-action@v1
      with:
        driver: ${{ matrix.docker-platform == 'linux/amd64' && 'docker' || 'docker-container' }}
    - name: Checkout code
      uses: actions/checkout@v3
    - name: Login to Quay.io
      uses: docker/login-action@v2
      with:
        registry: quay.io
        username: ${{ secrets.QUAY_IO_ROBOT_USERNAME }}
        password: ${{ secrets.QUAY_IO_ROBOT_TOKEN }}
    - name: Build images
      run: |
        ARCH=$(cut -d "/" -f2 <<< ${{ matrix.docker-platform }})
        DOCKER_BUILDKIT=1 docker buildx build --platform=$ARCH --load \
          --build-arg PIP_VERSION=$PIP_VERSION \
          --build-arg BUILDKIT_INLINE_CACHE=1 \
          --progress plain \
          --cache-from $DOCKER_BUILD_REPOSITORY:$ARCH \
          -t $DOCKER_BUILD_REPOSITORY:$ARCH-$SHORT_SHA .
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
    - name: Test images
      run: |
        echo "UNS_API_KEY=${{ secrets.UNS_API_KEY }}" > uns_test_env_file
        echo "UNSTRUCTURED_HF_TOKEN=${{ secrets.HF_TOKEN }}" > uns_test_env_file
        ARCH=$(cut -d "/" -f2 <<< ${{ matrix.docker-platform }})
        if [ "$ARCH" = "amd64" ]; then
        DOCKER_PLATFORM="${{ matrix.docker-platform }}" DOCKER_IMAGE="$DOCKER_BUILD_REPOSITORY:$ARCH-$SHORT_SHA" \
          make docker-test CI=true
        else
          DOCKER_PLATFORM="${{ matrix.docker-platform }}" DOCKER_IMAGE="$DOCKER_BUILD_REPOSITORY:$ARCH-$SHORT_SHA" \
            make docker-test CI=true TEST_FILE=test_unstructured/partition/test_text.py
        fi
        DOCKER_IMAGE=$DOCKER_BUILD_REPOSITORY:$ARCH-$SHORT_SHA make docker-smoke-test
    - name: Push images
      run: |
        # write to the build repository to cache for the publish-images job
        ARCH=$(cut -d "/" -f2 <<< ${{ matrix.docker-platform }})
        docker push "$DOCKER_BUILD_REPOSITORY:$ARCH-$SHORT_SHA"
  publish-images:
    runs-on: ubuntu-latest
    needs: [set-short-sha, build-images]
    env:
      SHORT_SHA: ${{ needs.set-short-sha.outputs.short_sha }}
    steps:
    - uses: docker/setup-buildx-action@v1
    - name: Checkout code
      uses: actions/checkout@v3
    - name: Login to Quay.io
      uses: docker/login-action@v1
      with:
        registry: quay.io
        username: ${{ secrets.QUAY_IO_ROBOT_USERNAME }}
        password: ${{ secrets.QUAY_IO_ROBOT_TOKEN }}
    - name: Pull AMD image
      run: |
        docker pull $DOCKER_BUILD_REPOSITORY:amd64-$SHORT_SHA
    - name: Pull ARM image
      run: |
        docker pull $DOCKER_BUILD_REPOSITORY:arm64-$SHORT_SHA
    - name: Push latest build tags for AMD and ARM
      run: |
        # these are used to construct the final manifest but also cache-from in subsequent runs
        docker tag $DOCKER_BUILD_REPOSITORY:amd64-$SHORT_SHA $DOCKER_BUILD_REPOSITORY:amd64
        docker push $DOCKER_BUILD_REPOSITORY:amd64
        docker tag $DOCKER_BUILD_REPOSITORY:arm64-$SHORT_SHA $DOCKER_BUILD_REPOSITORY:arm64
        docker push $DOCKER_BUILD_REPOSITORY:arm64
    - name: Push multiarch manifest
      run: |
        docker manifest create ${DOCKER_REPOSITORY}:latest $DOCKER_BUILD_REPOSITORY:amd64 $DOCKER_BUILD_REPOSITORY:arm64
        docker manifest push $DOCKER_REPOSITORY:latest
        docker manifest create ${DOCKER_REPOSITORY}:$SHORT_SHA $DOCKER_BUILD_REPOSITORY:amd64 $DOCKER_BUILD_REPOSITORY:arm64
        docker manifest push $DOCKER_REPOSITORY:$SHORT_SHA
        VERSION=$(grep -Po '(?<=__version__ = ")[^"]*' unstructured/__version__.py)
        docker manifest create ${DOCKER_REPOSITORY}:$VERSION $DOCKER_BUILD_REPOSITORY:amd64 $DOCKER_BUILD_REPOSITORY:arm64
        docker manifest push $DOCKER_REPOSITORY:$VERSION