build.yml

name: Build Docker image

on:
  pull_request:
    types: [opened, synchronize, reopened]

env:
  TEST_TAG: jacobalberty/unifi:test
  PKGURL: https://dl.ui.com/unifi/6.5.55/unifi_sysvinit_all.deb

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=jacobalberty/unifi
          VERSION=noop
          if [ "${{ github.event_name }}" = "schedule" ]; then
            VERSION=nightly
          elif [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
          elif [[ $GITHUB_REF == refs/heads/* ]]; then
            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
            if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
              VERSION=latest
            fi
          elif [[ $GITHUB_REF == refs/pull/* ]]; then
            VERSION=pr-${{ github.event.number }}
          fi
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
            MINOR=${VERSION%.*}
            MAJOR=${MINOR%.*}
            TAGS="$TAGS,${DOCKER_IMAGE}:${MINOR},${DOCKER_IMAGE}:${MAJOR}"
          elif [ "${{ github.event_name }}" = "push" ]; then
            TAGS="$TAGS,${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
          fi
          echo ::set-output name=version::${VERSION}
          echo ::set-output name=tags::${TAGS}
          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v2
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2
      - name: Build and export to Docker
        uses: docker/build-push-action@v4
        with:
          context: .
          load: true
          tags: ${{ env.TEST_TAG }}
      - name: Test image
        run: |
          export PKGURL=${{env.PKGURL}} &&
          docker run -d --env PKGURL --rm --name unifitest ${{env.TEST_TAG}} &&
          sleep 35 &&
          for i in $(seq 1 10); do [ $(docker inspect --format='{{json .State.Health.Status}}' unifitest ) == \"healthy\" ] && break ||  sleep 35; done &&
          [ $(docker inspect --format='{{json .State.Health.Status}}' unifitest ) == \"healthy\" ] &&
          docker stop unifitest
      - name: Build Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          platforms: linux/arm64/v8,linux/amd64
          push: false
          load: false
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: ${{ steps.prep.outputs.tags }}
          labels: |
            org.opencontainers.image.title=${{ github.event.repository.name }}
            org.opencontainers.image.description=${{ github.event.repository.description }}
            org.opencontainers.image.url=${{ github.event.repository.html_url }}
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.version=${{ steps.prep.outputs.version }}
            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.licenses=${{ github.event.repository.license.spdx_id }}
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}