ci-pr.yml

name: Build PR

on:
  pull_request:
    branches: [ main ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  verify:
    runs-on: ubuntu-18.04
    steps:
      - uses: actions/checkout@v2
      - name: Set up JDK 8
        uses: actions/setup-java@v1
        with:
          java-version: 8
      # Cache .m2/repository
      - uses: actions/cache@v2
        env:
          cache-name: verify-cache-m2-repository
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-pr-${{ env.cache-name }}-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-pr-${{ env.cache-name }}-
            ${{ runner.os }}-pr-
      - name: Verify with Maven
        run: mvn verify -B --file pom.xml -DskipTests=true

  build-pr:
    runs-on: ubuntu-latest
    needs: verify
    strategy:
      matrix:
        include:
          - setup: linux-x86_64-java8
            docker-compose-build: "-f docker/docker-compose.centos-6.yaml -f docker/docker-compose.centos-6.18.yaml build"
            docker-compose-run: "-f docker/docker-compose.centos-6.yaml -f docker/docker-compose.centos-6.18.yaml run build-leak"
          - setup: linux-aarch64
            docker-compose-build: "-f docker/docker-compose.centos-7.yaml build"
            docker-compose-run: "-f docker/docker-compose.centos-7.yaml run cross-compile-aarch64-build"

    name: ${{ matrix.setup }}
    steps:
      - uses: actions/checkout@v2

      # Enable caching of Docker layers
      - uses: satackey/action-docker-layer-caching@v0.0.11
        continue-on-error: true
        with:
          key: pr-${{ matrix.setup }}-docker-cache-{hash}
          restore-keys: |
            pr-${{ matrix.setup }}-docker-cache-

      - name: Build docker image
        run: docker-compose ${{ matrix.docker-compose-build }}

      - name: Build project with leak detection
        run: docker-compose ${{ matrix.docker-compose-run }} | tee build-leak.output

      - name: Checking for detected leak
        run: ./.github/scripts/check_leak.sh build-leak.output

      - uses: actions/upload-artifact@v2
        if: ${{ failure() }}
        with:
          name: target
          path: "**/target/"

  build-pr-qemu:
    runs-on: ubuntu-20.04
    needs: verify
    steps:
      - name: Install dependencies
        run: |
          sudo apt-get update -q -y
          sudo apt-get install -q -y qemu-system genisoimage expect samba

      - name: Create qemu image directory
        run: mkdir /home/runner/.qemu/

      - uses: actions/checkout@v2

      # Cache qemu image
      - uses: actions/cache@v2
        env:
          cache-name: build-pr-qemu-cache
        with:
          path: /home/runner/.qemu/
          key: ${{ runner.os }}-pr-${{ env.cache-name }}-${{ hashFiles('./github/config/user-data') }}
          restore-keys: |
            ${{ runner.os }}-pr-${{ env.cache-name }}-
            ${{ runner.os }}-pr-

      - name: Check qemu image exists
        id: check_qemu_image_exists
        uses: andstor/file-existence-action@v1
        with:
          files: "/home/runner/.qemu/my-disk.qcow2, /home/runner/.qemu/my-seed.iso, /home/runner/.qemu/Fedora-Cloud-Base-33-1.2.x86_64.qcow2"

      # We don't need a custom kernel atm.
      #- name: Build kernel
      #  if: steps.check_kernel_image_exists.outputs.files_exists == 'false'
      #  run: bash ./.github/scripts/build_kernel.sh /home/runner/kernel/bzImage-5.9.16

      - name: Build qemu image
        if: steps.check_qemu_image_exists.outputs.files_exists == 'false'
        run: bash ./.github/scripts/build_qemu_image.sh /home/runner/.qemu/ my-disk.qcow2 my-seed.iso ./.github/config/user-data ./.github/config/meta-data

      - name: Build project via QEMU
        run: expect -f ./.github/scripts/qemu_build.exp /home/runner/.qemu my-disk.qcow2 my-seed.iso | tee build.output

      - name: Checking for build result
        run: bash ./.github/scripts/check_build_result.sh build.output

      - name: Checking for detected leak
        run: bash ./.github/scripts/check_leak.sh build.output

      - uses: actions/upload-artifact@v2
        if: ${{ failure() }}
        with:
          name: build-target
          path: "**/target/"