ci.yaml

name: Continuous Integration

on:
  push:
    branches: [ patch-linux4.7 ]
  pull_request:
    branches: [ patch-linux4.7 ]

permissions: {}

jobs:

  build:
    name: Build Kernel Module
    # Linux runners do not currently support nested virtualization (KVM)
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        include:
        - kernel: '5.19'
          os: f37
        - kernel: '6.0'
          os: f38
        - kernel: '6.1'
          os: f38
        - kernel: '6.2'
          os: f39
        - kernel: '6.3'
          os: f39
        - kernel: '6.4'
          os: f39
        - kernel: '6.5'
          os: f39
        - kernel: '6.6'
          os: f39
        - kernel: '6.7'
          os: f39

    steps:
    - name: Get QEMU image info
      id: image
      # The outputs of this step are solely used for generating a cache key.
      # The fedora-qemu-img-info Action is also used from within the
      # kernel-devel-vm Action to generate the Lima instance config. It is
      # expected, but not guaranteed, that both invocations will return the
      # same image checksum. For instance, not all mirrors synchronize at the
      # same frequency, so different image versions may be found in different
      # mirrors for a given OS version, especially shortly after a new release
      # occurs upstream.
      uses: antoineco/fedora-qemu-img-info-action@v1
      with:
        os: ${{ matrix.os }}

    - name: Lima image cache
      uses: actions/cache@v4
      with:
        path: ~/Library/Caches/lima/download
        key: ${{ github.job }}-${{ runner.os }}-lima-${{ matrix.os }}-${{ steps.image.outputs.sha256sum }}

    # https://github.blog/changelog/2023-02-23-hardware-accelerated-android-virtualization-on-actions-windows-and-linux-larger-hosted-runners/
    # https://github.blog/2024-01-17-github-hosted-runners-double-the-power-for-open-source/
    - name: Enable KVM group perms
      run: |
        sudo sh -c 'echo '"'"'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"'"'"' >/etc/udev/rules.d/99-kvm4all.rules'
        sudo udevadm control --reload-rules
        sudo udevadm trigger --name-match=kvm

    - name: Install QEMU
      run: sudo apt install -y qemu-system

    - name: Install Lima
      env:
        LIMA_VERSION: 0.20.1
        LIMA_SHA256SUM: e7093ca1889d2dab436d9f0e6b53d65336f75cf8ebd54f583085eca462a1fc4b
      run: |
        tmp_dir="$(mktemp -d)"
        curl -L -o "$tmp_dir"/lima.tgz "https://github.com/lima-vm/lima/releases/download/v${LIMA_VERSION}/lima-${LIMA_VERSION}-Linux-x86_64.tar.gz"
        echo -n "${LIMA_SHA256SUM}  ${tmp_dir}/lima.tgz" | sha256sum -c -
        sudo tar -C /usr/local -xzf "$tmp_dir"/lima.tgz
        rm -rf "$tmp_dir"
        which limactl
        limactl --version

    - uses: actions/checkout@v4

    - name: Bootstrap Lima instance
      id: builder
      uses: antoineco/kernel-devel-vm-action@v1
      with:
        kernel: ${{ matrix.kernel }}
        os: ${{ matrix.os }}

    - name: Build wl module
      run: |
        lima make
        lima make clean

    - name: Collect cloud-init logs from Lima instance
      if: failure() && steps.builder.outcome != 'skipped' && env.LIMA_INSTANCE
      run: mv -v ${{ steps.builder.outputs.logs }}/cloud-*.log ~/.lima/${{ env.LIMA_INSTANCE }}/

    - name: Upload Lima instance logs
      if: failure() && steps.builder.outcome != 'skipped' && env.LIMA_INSTANCE
      uses: actions/upload-artifact@v4
      with:
        name: lima-logs-${{ matrix.kernel }}
        path: ~/.lima/${{ env.LIMA_INSTANCE }}/*.log