name: Build the boxes

"on":
  workflow_dispatch:

jobs:
  collect:
    name: Discover distros
    runs-on: ubuntu-latest
    outputs:
      distros: ${{ steps.distros.outputs.distros }}
    steps:
      - uses: actions/checkout@v3
      - name: Discover boxes
        id: distros
        run: |-
          set -eo pipefail
          distros=$(ls distros/*.hcl | jq -cRs 'split("\n") | [ .[] | if length > 0 then . else empty end ]')
          echo "::set-output name=distros::${distros}"

  build:
    name: Build box
    runs-on: ubuntu-latest
    needs:
      - collect
    strategy:
      fail-fast: false
      matrix:
        distro: ${{ fromJson( needs.collect.outputs.distros ) }}
        packer_version:
          - "1.8.0"
        needs_timeout:
          - distros/ubuntu-20.04-x86_64.pkrvars.hcl
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: 'recursive'
      - uses: greg-hellings/make-space@main
      - uses: actions/setup-python@v3
        with:
          python-version: "3"
      - uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: python-pip
      - name: install dependencies
        shell: bash
        run: |
          set -e
          sudo apt-get update
          sudo apt-get install -y unzip cloud-utils qemu-system-{x86,ppc}
          python3 -m pip install -U wheel
          python3 -m pip install -U ansible
          # Install packer.io
          curl -O https://releases.hashicorp.com/packer/${{ matrix.packer_version }}/packer_${{ matrix.packer_version }}_linux_amd64.zip
          unzip packer_${{ matrix.packer_version }}_linux_amd64.zip
          mv packer packerio
          chmod +x packerio
      - name: modify build timeouts, if necessary
        if: contains(matrix.needs_timeout, matrix.distro)
        shell: bash
        run: ./modify_timeout.sh "${{ matrix.distro }}"
      - name: try build
        shell: bash
        run: |
          set -e
          ./packerio build -var-file=${{ matrix.distro }} -var "qemu_accelerator=tcg" -except=upload sources
        env:
          VAGRANT_CLOUD_TOKEN: ${{ secrets.VAGRANT_CLOUD_TOKEN }}
          PACKER_LOG: ${{ contains(matrix.needs_timeout, matrix.distro) && '1' || '0' }}