name: Integration Tests

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  generate-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.generate-matrix.outputs.matrix }}
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Set up libvirt for test generation
      run: |
        sudo apt-get update
        sudo apt-get install -y \
          libvirt-dev \
          libz-dev \
        ;
    - uses: actions/cache@v2
      with:
        path: vendor/bundle
        key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
        restore-keys: |
          ${{ runner.os }}-gems-
    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: 2.6.6
    - name: Run bundler using cached path
      run: |
        bundle config path vendor/bundle
        bundle install --jobs 4 --retry 3
    - name: Generate matrix
      id: generate-matrix
      run: |
        bundle exec rspec --color --format json --fail-fast --dry-run --tag acceptance --out report.json
        tests="$(jq -c '[.examples[].full_description]' report.json)"

        echo "::set-output name=matrix::${tests}"

  run-tests:
    needs: generate-matrix

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        test_name: ${{ fromJSON(needs.generate-matrix.outputs.matrix) }}

    env:
      NOKOGIRI_USE_SYSTEM_LIBRARIES: true
      VAGRANT_VERSION: v2.2.14

    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Set up libvirt
      run: |
        sudo apt-get update
        sudo apt-get install -y \
          bridge-utils \
          dnsmasq-base \
          ebtables \
          libarchive-tools \
          libguestfs-tools \
          libvirt-clients \
          libvirt-daemon \
          libvirt-daemon-system \
          qemu-kvm \
          qemu-utils \
        ;
        sudo apt-get install -y \
          libvirt-dev \
          libz-dev \
        ;

        # start daemon
        sudo systemctl start libvirtd

        # add user to group
        sudo usermod -a -G libvirt $USER
    - uses: actions/cache@v2
      with:
        path: vendor/bundle
        key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
        restore-keys: |
          ${{ runner.os }}-gems-
    - uses: actions/cache@v2
      with:
        path: ~/.vagrant.d/boxes
        key: ${{ runner.os }}-${{ env.VAGRANT_VERSION }}
        restore-keys: |
          ${{ runner.os }}-
    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: 2.6.6
    - name: Run bundler using cached path
      run: |
        bundle config path vendor/bundle
        bundle install --jobs 4 --retry 3
    - name: Run tests
      run: |
        mkdir -p $HOME/.vagrant.d/
        # tell integration tests to use boxes from the cached location
        export VAGRANT_HOME=$HOME/.vagrant.d
        # use software emulation due to lack of nested emulation
        cat <<EOF > $HOME/.vagrant.d/Vagrantfile
        Vagrant.configure("2") do |config|
          config.vm.provider :libvirt do |libvirt|
            libvirt.driver = "qemu"
          end
        end
        # run under libvirt group
        sg libvirt -c "bundle exec rspec --color --fail-fast --tag acceptance -e '${{ matrix.test_name }}'"