name: Docker Image CI

on:
  push:
    # Publish `master` as Docker `latest` image.
    branches:
      - master

    # Publish `v1.2.3` tags as releases.
    tags:
      - v*

  # Run tests for PRs to `master` branch.
  pull_request:
    branches:
      - "master"

env:
  TEST_TAG: b4tman/squid:test

jobs:
  test:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3

      - 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
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: b4tman
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Cache Docker layers
        uses: actions/cache@v3.3.1
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Build squid image
        uses: docker/build-push-action@v4
        with:
          context: .
          push: false
          load: true # automatically load the single-platform build result to docker images
          tags: ${{ env.TEST_TAG }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

      # Temp fix
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

      - name: Test image
        run: docker compose -f docker-compose.test.yml up --pull never sut

      - name: Build 'ssl-bump' image     
        run: |
          sed -i "s%FROM b4tman/squid%FROM $TEST_TAG%" ssl-bump/Dockerfile
          docker build ssl-bump

  push:
    needs: test
    runs-on: ubuntu-20.04
    if: github.event_name != 'pull_request'
    steps:
      - uses: actions/checkout@v3

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            b4tman/squid
            ghcr.io/b4tman/squid
          flavor: |
            latest=${{ github.ref == 'refs/heads/master' }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Docker meta (ssl-bump)
        id: meta_ssl_bump
        uses: docker/metadata-action@v4
        with:
          images: |
            b4tman/squid
            ghcr.io/b4tman/squid
          flavor: |
            latest=false
            suffix=-ssl-bump
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Docker meta (ssl-bump ghcr)
        id: meta_ssl_bump_ghcr
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/b4tman/squid-ssl-bump
          flavor: |
            latest=${{ github.ref == 'refs/heads/master' }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

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

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

      - name: Cache Docker layers
        uses: actions/cache@v3.3.1
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: b4tman
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GHCR
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.CR_PAT }}

      - name: Build squid image
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm/v7
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

      # Temp fix
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

      - name: Build 'ssl-bump' image
        uses: docker/build-push-action@v4
        with:
          context: ssl-bump
          push: true
          file: ssl-bump/Dockerfile
          platforms: linux/amd64,linux/arm/v7
          tags: ${{ steps.meta_ssl_bump.outputs.tags }}
          labels: ${{ steps.meta_ssl_bump.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new

      # Temp fix
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

      - name: Build 'ssl-bump' image for ghcr
        uses: docker/build-push-action@v4
        with:
          context: ssl-bump
          push: true
          file: ssl-bump/Dockerfile
          platforms: linux/amd64,linux/arm/v7
          tags: ${{ steps.meta_ssl_bump_ghcr.outputs.tags }}
          labels: ${{ steps.meta_ssl_bump_ghcr.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

      # Temp fix
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache