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

permissions: {}

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

name: Static checks
jobs:
  skipper:
    uses: ./.github/workflows/gatekeeper-skipper.yaml
    with:
      commit-hash: ${{ github.event.pull_request.head.sha }}
      target-branch: ${{ github.event.pull_request.base.ref }}

  check-kernel-config-version:
    name: check-kernel-config-version
    needs: skipper
    if: ${{ needs.skipper.outputs.skip_static != 'yes' }}
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout the code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          persist-credentials: false
      - name: Ensure the kernel config version has been updated
        run: |
          kernel_dir="tools/packaging/kernel/"
          kernel_version_file="${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:
    needs: skipper
    if: ${{ needs.skipper.outputs.skip_static != 'yes' }}
    uses: ./.github/workflows/build-checks.yaml
    with:
      instance: ubuntu-22.04

  build-checks-depending-on-kvm:
    name: build-checks-depending-on-kvm
    runs-on: ubuntu-22.04
    needs: skipper
    if: ${{ needs.skipper.outputs.skip_static != 'yes' }}
    strategy:
      fail-fast: false
      matrix:
        component:
          - runtime-rs
        include:
          - component: runtime-rs
            command: "sudo -E env PATH=$PATH LIBC=gnu SUPPORT_VIRTUALIZATION=true make test"
          - component: runtime-rs
            component-path: src/dragonball
    steps:
      - name: Checkout the code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          persist-credentials: false
      - name: Install system deps
        run: |
          sudo apt-get update && 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:${HOME}/.cargo/bin"
          cd "${COMPONENT_PATH}"
          eval "${COMMAND}"
        env:
          COMMAND: ${{ matrix.command }}
          COMPONENT_PATH: ${{ matrix.component-path }}
          RUST_BACKTRACE: "1"
          RUST_LIB_BACKTRACE: "0"

  static-checks:
    name: static-checks
    runs-on: ubuntu-22.04
    needs: skipper
    if: ${{ needs.skipper.outputs.skip_static != 'yes' }}
    strategy:
      fail-fast: false
      matrix:
        cmd:
          - "make static-checks"
    env:
      GOPATH: ${{ github.workspace }}
    permissions:
      contents: read  # for checkout
      packages: write # for push to ghcr.io
    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          persist-credentials: false
          path: ./src/github.com/${{ 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" >> "$GITHUB_PATH"
      - name: Install system dependencies
        run: |
          sudo apt-get update && sudo apt-get -y install moreutils hunspell hunspell-en-gb hunspell-en-us pandoc
      - name: Install open-policy-agent
        run: |
          cd "${GOPATH}/src/github.com/${GITHUB_REPOSITORY}"
          ./tests/install_opa.sh
      - name: Install regorus
        env:
          ARTEFACT_REPOSITORY: "${{ github.repository }}"
          ARTEFACT_REGISTRY_USERNAME: "${{ github.actor }}"
          ARTEFACT_REGISTRY_PASSWORD: "${{ secrets.GITHUB_TOKEN }}"
        run: |
          "${GOPATH}/src/github.com/${GITHUB_REPOSITORY}/tests/install_regorus.sh"
      - name: Run check
        env:
          CMD: ${{ matrix.cmd }}
        run: |
          export PATH="${PATH}:${GOPATH}/bin"
          cd "${GOPATH}/src/github.com/${GITHUB_REPOSITORY}" && ${CMD}

  govulncheck:
    needs: skipper
    if: ${{ needs.skipper.outputs.skip_static != 'yes' }}
    uses: ./.github/workflows/govulncheck.yaml

  codegen:
    name: codegen
    runs-on: ubuntu-22.04
    needs: skipper
    if: ${{ needs.skipper.outputs.skip_static != 'yes' }}
    permissions:
      contents: read  # for checkout
    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          persist-credentials: false
      - name: generate
        run: make -C src/agent generate-protocols
      - name: check for diff
        run: |
          diff=$(git diff)
          if [[ -z "${diff}" ]]; then
            echo "No diff detected."
            exit 0
          fi

          cat << EOF >> "${GITHUB_STEP_SUMMARY}"
          Run \`make -C src/agent generate-protocols\` to update protobuf bindings.

          \`\`\`diff
          ${diff}
          \`\`\`
          EOF

          echo "::error::Golang protobuf bindings need to be regenerated (see Github step summary for diff)."
          exit 1