name: Ubuntu

on:
  workflow_dispatch:
  push:
    paths-ignore:
      - ".github/workflows/images-*"
      - ".github/workflows/debian-cache.yml"
      - ".github/workflows/e2e.yml"
      - "docs/**"
      - "README.md"
  pull_request:

concurrency:
  group: ${{ github.workflow_ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-go@v5

    - name: Build
      run: go build

  test-unit:
    name: Unit Testing
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-go@v5

    - name: Install dependencies for tests
      run: |
        sudo apt-get update
        sudo apt-get install qemu-system-x86

    - name: Bootstrap
      run: ./tools/qemu-ubuntu-img/bootstrap.sh

    - name: Unit Testing
      run: |
        mkdir ~/.out-of-tree
        go test -parallel 1 -v ./...

  test-end-to-end-examples:
    needs: [build]
    name: Examples
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        example: [
          { dir: "kernel-module", params: "" },
          { dir: "kernel-exploit", params: "--threshold=0" },
          { dir: "script", params: "" },
          { dir: "preload", params: "" }
          ]

    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-go@v5

    - name: Setup
      run: .github/workflows/scripts/setup.sh

    - name: Build
      run: go build

    - name: Install dependencies for tests
      run: |
        sudo apt-get update
        sudo apt-get install -y qemu-system-x86
        echo 'deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04/ /' | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list
        curl -fsSL https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/xUbuntu_22.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/devel_kubic_libcontainers_unstable.gpg > /dev/null
        sudo apt-get update
        sudo apt-get install -y podman

    - name: End-to-End Testing [${{ matrix.example.dir }}]
      run: |
        cd examples/${{ matrix.example.dir }}
        ../../out-of-tree --log-level=debug kernel autogen --max=1
        ../../out-of-tree --log-level=debug pew --qemu-timeout=10m ${{ matrix.example.params }}

    - name: Archive logs
      if: always()
      uses: actions/upload-artifact@v4
      with:
        name: test-end-to-end-examples-${{ matrix.example.dir }}-logs
        path: ~/.out-of-tree/logs

  test-end-to-end:
    needs: [build]
    name: E2E
    runs-on: ubuntu-latest
    timeout-minutes: 60

    strategy:
      fail-fast: false
      matrix:
        #type: [ Script, Module ]
        type: [ Module ]
        os: [
          { distro: Ubuntu, release: 12.04 },
          { distro: Ubuntu, release: 14.04 },
          { distro: Ubuntu, release: 16.04 },
          { distro: Ubuntu, release: 18.04 },
          { distro: Ubuntu, release: 20.04 },
          { distro: Ubuntu, release: 22.04 },
          { distro: CentOS, release: 6 },
          { distro: CentOS, release: 7 },
          { distro: CentOS, release: 8 },
          { distro: OracleLinux, release: 6 },
          { distro: OracleLinux, release: 7 },
          { distro: OracleLinux, release: 8 },
          { distro: OracleLinux, release: 9 },
          { distro: Debian, release: 7 },
          { distro: Debian, release: 8 },
          { distro: Debian, release: 9 },
          { distro: Debian, release: 10 },
          { distro: Debian, release: 11 },
          { distro: Debian, release: 12 },
          { distro: OpenSUSE, release: "12.1" },
          { distro: OpenSUSE, release: "12.2" },
          { distro: OpenSUSE, release: "12.3" },
          { distro: OpenSUSE, release: "13.1" },
          { distro: OpenSUSE, release: "13.2" },
          { distro: OpenSUSE, release: "42.1" },
          { distro: OpenSUSE, release: "42.2" },
          { distro: OpenSUSE, release: "42.3" },
          # { distro: OpenSUSE, release: "15.0" },
          { distro: OpenSUSE, release: "15.1" },
          { distro: OpenSUSE, release: "15.2" },
          { distro: OpenSUSE, release: "15.3" },
          { distro: OpenSUSE, release: "15.4" },
          { distro: OpenSUSE, release: "15.5" }
          ]

    steps:
      - name: Backup docker files
        run: |
          echo "backup moby/buildkit image"
          sudo docker image save -o ${GITHUB_WORKSPACE}/images.tar moby/buildkit
          echo "prune docker"
          sudo docker system prune -a -f
          echo "back up /var/lib/docker folder structure and other files"
          sudo rsync -aPq /var/lib/docker/ ${GITHUB_WORKSPACE}/docker

      - name: Maximize build space
        uses: easimon/maximize-build-space@master
        with:
          overprovision-lvm: 'true'
          remove-dotnet: 'true'
          # instead of using default value to mount to build path,
          # /var/lib/docker/ is really the place we need more spaces.
          build-mount-path: '/var/lib/docker/'

      - name: Restore docker files
        run: |
          sudo rsync -aPq ${GITHUB_WORKSPACE}/docker/ /var/lib/docker
          sudo rm -rf ${GITHUB_WORKSPACE}/docker
          sudo ls ${GITHUB_WORKSPACE} -l
          sudo docker image load -i ${GITHUB_WORKSPACE}/images.tar
          sudo rm ${GITHUB_WORKSPACE}/images.tar

      - uses: actions/checkout@v1
      - uses: actions/setup-go@v5

      - name: Setup
        run: .github/workflows/scripts/setup.sh

      - name: Build
        run: go build

      - name: Install dependencies for tests
        run: |
          sudo apt-get update
          sudo apt-get install qemu-system-x86

      - name: End-to-End Testing ${{ matrix.type }} [${{ matrix.os.distro }} ${{ matrix.os.release }}]
        shell: bash
        run: |
          mkdir test
          cd test

          echo 'name = "test"' >> .out-of-tree.toml
          echo 'type = "${{ matrix.type }}"' >> .out-of-tree.toml
          echo 'script = "script.sh"' >> .out-of-tree.toml
          echo '[[targets]]' >> .out-of-tree.toml
          echo 'distro = { id = "${{ matrix.os.distro }}", release = "${{ matrix.os.release }}" }' >> .out-of-tree.toml
          echo 'kernel = { regex = ".*" }' >> .out-of-tree.toml

          echo -e '#!/bin/sh\necho ok' >> script.sh

          cp ../examples/kernel-module/{module.c,Makefile,test.sh} .

          ../out-of-tree --log-level=debug kernel list-remote --distro=${{ matrix.os.distro }} --ver=${{ matrix.os.release }}
          ../out-of-tree --log-level=debug kernel autogen --max=1 --shuffle
          ../out-of-tree --log-level=debug pew --qemu-timeout=20m --include-internal-errors

      - name: Archive logs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-end-to-end-${{ matrix.type }}-${{ matrix.os.distro }}-${{ matrix.os.release }}-logs
          path: ~/.out-of-tree/logs