on:
  pull_request:
    types:
      - opened
      - edited
      - reopened
      - synchronize

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

name: Static checks
jobs:
  check-kernel-config-version:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Ensure the kernel config version has been updated
        run: |
          kernel_dir="tools/packaging/kernel/"
          kernel_version_file="${kernel_dir}kata_config_version"
          modified_files=$(git diff --name-only origin/$GITHUB_BASE_REF..HEAD)
          if git diff --name-only origin/$GITHUB_BASE_REF..HEAD "${kernel_dir}" | grep "${kernel_dir}"; then
            echo "Kernel directory has changed, checking if $kernel_version_file has been updated"
            if echo "$modified_files" | grep -v "README.md" | grep "${kernel_dir}" >>"/dev/null"; then
              echo "$modified_files" | grep "$kernel_version_file" >>/dev/null || ( echo "Please bump version in $kernel_version_file" && exit 1)
            else
              echo "Readme file changed, no need for kernel config version update."
            fi
            echo "Check passed"
          fi

  build-checks:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        component:
          - agent
          - dragonball
          - runtime
          - runtime-rs
          - agent-ctl
          - kata-ctl
          - log-parser-rs
          - runk
          - trace-forwarder
        command:
          - "make vendor"
          - "make check"
          - "make test"
          - "sudo -E PATH=\"$PATH\" make test"
        include:
          - component: agent
            component-path: src/agent
          - component: dragonball
            component-path: src/dragonball
          - component: runtime
            component-path: src/runtime
          - component: runtime-rs
            component-path: src/runtime-rs
          - component: agent-ctl
            component-path: src/tools/agent-ctl
          - component: kata-ctl
            component-path: src/tools/kata-ctl
          - component: log-parser-rs
            component-path: src/tools/log-parser-rs
          - component: runk
            component-path: src/tools/runk
          - component: trace-forwarder
            component-path: src/tools/trace-forwarder
          - install-libseccomp: no
          - component: agent
            install-libseccomp: yes
          - component: runk
            install-libseccomp: yes
    steps:
      - name: Checkout the code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install yq
        run: |
          ./ci/install_yq.sh
        env:
          INSTALL_IN_GOPATH: false
      - name: Install golang
        if: ${{ matrix.component == 'runtime' }}
        run: |
          ./tests/install_go.sh -f -p
          echo "/usr/local/go/bin" >> $GITHUB_PATH
      - name: Install rust
        if: ${{ matrix.component != 'runtime' }}
        run: |
          ./tests/install_rust.sh
          echo "${HOME}/.cargo/bin" >> $GITHUB_PATH
      - name: Install musl-tools
        if: ${{ matrix.component != 'runtime' }}
        run: sudo apt-get -y install musl-tools
      - name: Install libseccomp
        if: ${{ matrix.command != 'make vendor'  &&  matrix.command != 'make check' &&  matrix.install-libseccomp == 'yes' }}
        run: |
          libseccomp_install_dir=$(mktemp -d -t libseccomp.XXXXXXXXXX)
          gperf_install_dir=$(mktemp -d -t gperf.XXXXXXXXXX)
          ./ci/install_libseccomp.sh "${libseccomp_install_dir}" "${gperf_install_dir}"
          echo "Set environment variables for the libseccomp crate to link the libseccomp library statically"
          echo "LIBSECCOMP_LINK_TYPE=static" >> $GITHUB_ENV
          echo "LIBSECCOMP_LIB_PATH=${libseccomp_install_dir}/lib" >> $GITHUB_ENV
      - name: Setup XDG_RUNTIME_DIR for the `runtime` tests
        if: ${{ matrix.command != 'make vendor' && matrix.command != 'make check' && matrix.component == 'runtime' }}
        run: |
          XDG_RUNTIME_DIR=$(mktemp -d /tmp/kata-tests-$USER.XXX | tee >(xargs chmod 0700))
          echo "XDG_RUNTIME_DIR=${XDG_RUNTIME_DIR}" >> $GITHUB_ENV
      - name: Running `${{ matrix.command }}` for ${{ matrix.component }}
        run: |
          cd ${{ matrix.component-path }}
          ${{ matrix.command }}
        env:
          RUST_BACKTRACE: "1"

  build-checks-depending-on-kvm:
    runs-on: garm-ubuntu-2004-smaller
    strategy:
      fail-fast: false
      matrix:
        component:
          - runtime-rs
        include:
          - component: runtime-rs
            command: "sudo -E env PATH=$PATH LIBC=gnu SUPPORT_VIRTUALIZATION=true make test"
          - component: runtime-rs
            component-path: src/dragonball
    steps:
      - name: Checkout the code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install system deps
        run: |
          sudo apt-get install -y build-essential musl-tools
      - name: Install yq
        run: |
          sudo -E ./ci/install_yq.sh
        env:
          INSTALL_IN_GOPATH: false
      - name: Install rust
        run: |
          export PATH="$PATH:/usr/local/bin"
          ./tests/install_rust.sh
      - name: Running `${{ matrix.command }}` for ${{ matrix.component }}
        run: |
          export PATH="$PATH:${HOME}/.cargo/bin"
          cd ${{ matrix.component-path }}
          ${{ matrix.command }}
        env:
          RUST_BACKTRACE: "1"

  static-checks:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        cmd:
          - "make static-checks"
    env:
      GOPATH: ${{ github.workspace }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          path: ./src/github.com/${{ github.repository }}
      - name: Install yq
        run: |
          cd ${GOPATH}/src/github.com/${{ github.repository }}
          ./ci/install_yq.sh
        env:
          INSTALL_IN_GOPATH: false
      - name: Install golang
        run: |
          cd ${GOPATH}/src/github.com/${{ github.repository }}
          ./tests/install_go.sh -f -p
          echo "/usr/local/go/bin" >> $GITHUB_PATH
      - name: Install system dependencies
        run: |
          sudo apt-get -y install moreutils
      - name: Run check
        run: |
          export PATH=${PATH}:${GOPATH}/bin
          cd ${GOPATH}/src/github.com/${{ github.repository }} && ${{ matrix.cmd }}