buildroot-e2e.yml

name: CI

# Controls when the action will run.
on:
  push:
    branches: [master, next, stable, staging]
  pull_request:
    branches: [master, next, stable, staging]

jobs:
  build:
    runs-on: ${{ matrix.build-os }}
    strategy:
      matrix:
        build-os: [ubuntu-latest, ubuntu-22.04]
    env:
      'SKIFF_WORKSPACE': docker
      'SKIFF_CONFIG': virt/docker,core/gentoo
    steps:
      - uses: actions/checkout@v4
      - name: Update the submodule
        run: |
          cd $GITHUB_WORKSPACE
          git submodule update --init --recursive

      - name: Cache build cache and downloads
        uses: actions/cache@v4
        env:
          cache-name: cache-buildroot
        with:
          path: ~/br-cache/
          key: ${{ runner.os }}-build-${{ env.cache-name }}

      - name: Clear caches if necessary
        run: |
          # necessary to save space
          if [ ! -f ~/br-cache/ccache-v1 ]; then
            echo "Clearing old compiler cache..."
            rm -rf ~/br-cache/ccache* || true
            mkdir -p ~/br-cache/ccache
            touch ~/br-cache/ccache-v1
          fi
          if [ ! -f ~/br-cache/dl-v1 ]; then
            echo "Clearing old downloads cache..."
            rm -rf ~/br-cache/dl* || true
            mkdir -p ~/br-cache/dl
            touch ~/br-cache/dl-v1
          fi

      - name: Install buildroot apt deps
        run: |
          sudo apt-get install -y libelf-dev python3-magic python3-flake8

      - name: Print help and packages list
        run: |
          cd $GITHUB_WORKSPACE
          make help

      - name: Enable using a pre-built toolchain
        run: |
          cd $GITHUB_WORKSPACE
          echo "BR2_TOOLCHAIN_EXTERNAL=y" > ./overrides/buildroot/toolchain

      - name: Compile the OS
        run: |
          cd $GITHUB_WORKSPACE
          export TERM=xterm
          export BR2_CCACHE_DIR=${HOME}/br-cache/ccache
          export BR2_DL_DIR=${HOME}/br-cache/dl
          make -s configure compile check

      - name: Build a Docker container image
        run: |
          cd $GITHUB_WORKSPACE
          make cmd/virt/docker/buildimage
          sleep 2 # docker sometimes does not tag right away
          mkdir -p workflow-artifacts
          docker save skiffos/skiffos:latest > ./workflow-artifacts/docker-image.tar

      # Upload docker image
      - name: Upload Docker container image artifact
        if: matrix.build-os == 'ubuntu-latest'
        uses: actions/upload-artifact@v4
        with:
          name: docker-image.tar
          path: ${{ github.workspace }}/workflow-artifacts/docker-image.tar