qemu-based.yaml

name: Minimal test of python libraries inside QEMU

on: 
  push:
    branches: [ main ]
    tags:
      - '*'
  pull_request:
     # All branches
  concurrency: 
    group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
    cancel-in-progress: true

env:
  PYTHON_VERSION: "3.11"

jobs: 
  build-test-python-install:
    runs-on: 
      labels: ubuntu-22.04-8core

    steps:
    - uses: actions/checkout@v4

    - name: Install needed packages
      run: |
        sudo apt update 
        sudo apt install binfmt-support qemu qemu-user-static sshpass 
        sudo update-binfmts --enable 

    - name: Install python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ env.PYTHON_VERSION }}

    - name: Build the Linux kernel for QEMU 
      run: ./setup-qemu-kernel.sh 

    - name: Build the minimal image for testing
      run: |
        # Make it only build up to stage-gl1
        touch stage-gl2/SKIP
        touch stage-gl2/SKIP_IMAGES
        touch stage3/SKIP
        touch stage3/SKIP_IMAGES
        touch stage4/SKIP
        touch stage4/SKIP_IMAGES
        # Actually run the build.
        ./dobuild.sh 

    - name: List output files
      run: |
        pwd 
        ls -lh deploy

    - name: Decompress the SDK image 
      run: |
        IMAGE_BASE_PATH=$HOME/work/groundlight-pi-gen/groundlight-pi-gen/deploy

        # Verify that there are files
        ls -la $IMAGE_BASE_PATH

        if [ ! -f $IMAGE_BASE_PATH/image_*-GroundlightPi-sdk-only-qemu.img.xz ]; then
          echo "Error: The file image_*-GroundlightPi-sdk-only-qemu.img.xz does not exist."
          exit 1
        fi

        # Decompress with xz 
        xz -d $IMAGE_BASE_PATH/image_*-GroundlightPi-sdk-only-qemu.img.xz 

    - name: Start the Emulator 
      run: |
        IMAGE_BASE_PATH=$HOME/work/groundlight-pi-gen/groundlight-pi-gen/deploy
        ./rpistart.sh -i $IMAGE_BASE_PATH/image_*-GroundlightPi-sdk-only-qemu.img &

        set -ex  # see what's happening

        # give the emulator some time to start 
        sleep 50

        # Copy the test script 
        sshpass -v -p "raspberry" scp -v -P 2222 tests/test_build_works.py pi@localhost:/home/pi
        
        # SSH into it 
        sshpass -v -p "raspberry" ssh -v -l pi localhost -p 2222
        python test_build_works.py