name: ci

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  minimal:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
        with:
          path: action
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Build
        uses: ./action
        with:
          file: ./test/Dockerfile
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  git-context:
    runs-on: ubuntu-latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
        with:
          path: action
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: latest
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./action
        with:
          file: ./test/Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  git-context-secret:
    runs-on: ubuntu-latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
        with:
          path: action
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ matrix.buildx-version }}
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./action
        with:
          file: ./test/Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          secrets: |
            GIT_AUTH_TOKEN=${{ github.token }}
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  path-context:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        buildx-version:
          - ""
          - latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ matrix.buildx-version }}
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  multi:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        buildx-version:
          - ""
          - latest
        dockerfile:
          - multi
          - multi-sudo
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ matrix.buildx-version }}
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-${{ matrix.dockerfile }}
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  registry-cache:
    runs-on: ubuntu-latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          driver-opts: |
            network=host
            image=moby/buildkit:buildx-stable-1
      -
        name: Build and push (1)
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-multi
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          cache-from: type=registry,ref=localhost:5000/name/app
          cache-to: type=inline
      -
        name: Inspect (1)
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:latest
      -
        name: Image digest (1)
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Prune
        run: |
          docker buildx prune -a -f --verbose
      -
        name: Build and push (2)
        id: docker_build2
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-multi
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          cache-from: type=registry,ref=localhost:5000/name/app
          cache-to: type=inline
      -
        name: Inspect (2)
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:latest
      -
        name: Image digest (2)
        run: echo ${{ steps.docker_build2.outputs.digest }}
      -
        name: Check digests
        run: |
          echo Compare "${{ steps.docker_build.outputs.digest }}" with "${{ steps.docker_build2.outputs.digest }}"
          if [ "${{ steps.docker_build.outputs.digest }}" != "${{ steps.docker_build2.outputs.digest }}" ]; then
            echo "::error::Digests should be identical"
            exit 1
          fi
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  github-cache-first:
    runs-on: ubuntu-latest
    outputs:
      digest: ${{ steps.docker_build.outputs.digest }}
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          driver-opts: |
            network=host
            image=moby/buildkit:buildx-stable-1
      -
        name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-ghcache-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-ghcache-
      -
        name: Erase cache
        run: |
          rm -rf /tmp/.buildx-cache/*
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-multi-golang
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  github-cache-hit:
    runs-on: ubuntu-latest
    needs: github-cache-first
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          driver-opts: |
            network=host
            image=moby/buildkit:buildx-stable-1
      -
        name: Cache Docker layers
        uses: actions/cache@v2
        id: cache
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-ghcache-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-ghcache-
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-multi-golang
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Check digests
        run: |
          echo Compare "${{ needs.github-cache-first.outputs.digest }}" with "${{ steps.docker_build.outputs.digest }}"
          if [ "${{ needs.github-cache-first.outputs.digest }}" != "${{ steps.docker_build.outputs.digest }}" ]; then
            echo "::error::Digests should be identical"
            exit 1
          fi
      -
        name: Cache hit
        run: echo ${{ steps.cache.outputs.cache-hit }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1