ci.yaml

name: CI

on: [push, pull_request]

env:
  CARGO_TERM_COLOR: always
  # Make sure CI fails on all warnings, including Clippy lints
  RUSTFLAGS: "-Dwarnings"

jobs:
  fmt:
    name: Code Formatting Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt
      - uses: Swatinem/rust-cache@v2
      - name: "rustfmt --check"
        run: |
          if ! rustfmt --check --edition 2021 $(git ls-files '*.rs'); then
            printf "Please run \`rustfmt --edition 2021 \$(git ls-files '*.rs')\` to fix rustfmt errors.\nSee CONTRIBUTING.md for more details.\n" >&2
            exit 1
          fi

  clippy_check:
    name: Linter Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: clippy
      - name: Install Protocol Buffers Compiler
        run: sudo apt-get install -y protobuf-compiler
      - name: Set PROTOC Environment Variable
        run: export PROTOC=/path/to/protoc
      - name: Run Clippy
        run: cargo clippy
      - name: Run Clippy
        run: cargo clippy --package holo-tools

  test:
    name: Tests and Coverage Report
    env:
      holo: rust_ci_github_actions_workflow
      CARGO_INCREMENTAL: 0
      RUSTFLAGS: -Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort
      RUSTDOCFLAGS: -Cpanic=abort
    permissions:
      checks: write
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - name: Generate test result and coverage report
        run: |
          cargo install cargo2junit grcov;
          cargo test $CARGO_OPTIONS -p holo-bfd -p holo-bgp -p holo-ldp -p holo-ospf -p holo-rip -- -Z unstable-options --format json | cargo2junit > results.xml;
          grcov . -s . -t lcov --llvm --ignore-not-existing --ignore "/*" --ignore "holo-*/tests/*" -o lcov.info;
      - name: Upload test results
        uses: EnricoMi/publish-unit-test-result-action@v1
        if: github.event_name != 'pull_request'
        with:
          check_name: Test Results
          github_token: ${{ secrets.GITHUB_TOKEN }}
          files: results.xml
      - name: Upload to CodeCov
        uses: codecov/codecov-action@v4
        if: github.event_name != 'pull_request'
        with:
          files: ./lcov.info
          fail_ci_if_error: false
          token: ${{ secrets.CODECOV_TOKEN }}

  push-image:
    name: Docker Image Build
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master'
    steps:
      - uses: actions/checkout@v4
      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{github.actor}}
          password: ${{secrets.GITHUB_TOKEN}}
      - name: Build and push container image
        run: |
          docker build . -f docker/Dockerfile --tag ghcr.io/holo-routing/holo:latest
          docker push ghcr.io/holo-routing/holo:latest