unbound-docker/.github/workflows/docker.yml

name: docker

on:
  push:
    tags:
      - "v*"
  pull_request:
    branches:
      - "main"

env:
  version: "1.13.1"
  platforms: "linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6"
  images: "docker.io/${{ github.repository }},ghcr.io/${{ github.repository }}"

jobs:

  docker-meta:
    runs-on: ubuntu-20.04

    outputs:
      tags: ${{ steps.meta.outputs.tags }}
      labels: ${{ steps.meta.outputs.labels }}
      version: ${{ steps.meta.outputs.version }}
      json: ${{ steps.meta.outputs.json }}

    steps:
      - uses: actions/checkout@v2

      - id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.images }}

  build:
    runs-on: ubuntu-20.04
    needs: docker-meta

    steps:
      - name: Free disk space
        run: |
          df --human-readable
          sudo apt clean
          docker rmi $(docker image ls --all --quiet) || true
          rm -rf "${AGENT_TOOLSDIRECTORY}"
          df --human-readable

      - name: Login to ghcr.io
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Login to docker.io
        uses: docker/login-action@v1
        with:
          registry: docker.io
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - uses: docker/setup-qemu-action@v1

      - uses: docker/setup-buildx-action@v1
        with:
          driver-opts: network=host

      - uses: docker/build-push-action@v2
        with:
          platforms: ${{ env.platforms }}
          labels: ${{ needs.docker-meta.outputs.labels }}
          tags: ${{ needs.docker-meta.outputs.tags }}
          push: true
          cache-to: type=gha,mode=max
          cache-from: |
            type=gha
            ${{ needs.docker-meta.outputs.tags }}

      - uses: peter-evans/dockerhub-description@v2
        if: github.event_name != 'pull_request'
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
          repository: ${{ github.repository }}

  test:
    runs-on: ubuntu-20.04
    needs: [docker-meta,build]

    strategy:
      matrix:
        tag: ${{ fromJson(needs.docker-meta.outputs.json).tags }}
        platform: [linux/amd64, linux/arm64, linux/arm/v7, linux/arm/v6]

    steps:
      - uses: docker/setup-qemu-action@v1

      - name: Pull ${{ matrix.platform }} manifest
        run: |
          docker pull --platform ${{ matrix.platform }} ${{ matrix.tag }}

      - name: Check version
        run: |
          docker run ${{ matrix.tag }} -V | tee /dev/stderr | grep -wq ${{ env.version }}

      - name: Check functionality
        run: |
          docker run -d --name sut ${{ matrix.tag }}
          docker exec sut dig sigok.verteiltesysteme.net @127.0.0.1 +dnssec | tee /dev/stderr | grep -wq NOERROR || { docker logs sut ; exit 1 ; }
          docker exec sut dig sigfail.verteiltesysteme.net @127.0.0.1 +dnssec | tee /dev/stderr | grep -wq SERVFAIL || { docker logs sut ; exit 1 ; }
          docker logs sut
          docker rm -f sut