build_dependencies.yaml

name: Build Dependencies

on:
  schedule:
    - cron: '0 0 1 * *'  # Run at midnight on the first of every month
  workflow_dispatch:
  pull_request:
    branches: main  # TODO: remove once fully implemented

permissions: write-all

concurrency: 
  group: grpc-build
  cancel-in-progress: true

jobs:
  dummy_write_variable:
    name: Dummy write variable
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: |
          gh variable list
          gh variable set LAST_SUCCESSFUL_GRPC_BUILD_RUN_ID --body "dummyvalue"
          gh variable list
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  build_grpc:
    name: Build gRPC artifacts
    runs-on: ubuntu-latest
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
        build-type: [ Release, Debug ]
        compiler:
          - { c: gcc, cxx: g++, version: 11 }
          - { c: gcc, cxx: g++, version: 12 }
          - { c: clang, cxx: clang++, version: 14 }
          - { c: clang, cxx: clang++, version: 17, coverage: true }
        include:
          # Currently, there is a linking error with zlib if we use clang 16 for sanitizers
          # Let's investigate this when clang > 14 is os default - one problem could be the external clang installation
          - compiler: {c: clang, cxx: clang++, version: 14}
            build-type: Tsan
          - compiler: {c: clang, cxx: clang++, version: 14}
            build-type: Asan
        exclude:
          # gcc-12 causes a false-positive memory error in release (https://github.com/google/googletest/issues/4108)
          - compiler: { c: gcc, cxx: g++, version: 12 }
            build-type: Release
    env:
      CC: ${{matrix.compiler.c}}-${{matrix.compiler.version}}
      CXX: ${{matrix.compiler.cxx}}-${{matrix.compiler.version}}
      CCACHE_BASEDIR: ${{github.workspace}}
    steps:
      - name: Check out grpc codebase
        uses: actions/checkout@v4
        with:
          repository: grpc/grpc
          ref: v1.59.2
          submodules: true
          fetch-depth: 1

      - name: Install ccache
        run: |
          sudo apt update
          sudo apt install -y ccache
        
      - name: Install clang version
        if: ${{ matrix.compiler.version > 14 }}
        uses: KyleMayes/install-llvm-action@v2
        with:
          version: ${{ matrix.compiler.version }}.0
          env: true

      - name: Create build and artifact directories
        run: |
          mkdir -p ${{github.workspace}}/cmake/build
          mkdir -p ${{github.workspace}}/install
      
      - name: Configure CMake
        working-directory: ${{github.workspace}}/cmake/build
        # fdebug-prefix-map is for ccache to not have absolute paths interfere with caching, see https://ccache.dev/manual/3.6.html#_compiling_in_different_directories
        run: >
          cmake
          -G "Unix Makefiles"
          -DCMAKE_INSTALL_PREFIX="${{github.workspace}}/install"
          -DCMAKE_BUILD_TYPE=${{matrix.build-type}}
          -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
          -DCMAKE_CXX_FLAGS="-fdebug-prefix-map=${{github.workspace}}/build=."
          -DgRPC_PROTOBUF_PROVIDER=module
          -DABSL_ENABLE_INSTALL=On
          -DgRPC_BUILD_CSHARP_EXT=Off
          -DABSL_BUILD_TESTING=Off
          -DgRPC_INSTALL=ON
          -DgRPC_BUILD_TESTS=Off
          ${{github.workspace}}

      - name: Build
        working-directory: ${{github.workspace}}/cmake/build
        run: make && make install

      - name: Store binaries
        uses: actions/upload-artifact@v4
        with:
          name: grpc-binaries-${{matrix.compiler.c}}-${{matrix.compiler.cxx}}-${{matrix.compiler.version}}-${{matrix.build-type}}
          path: ${{github.workspace}}/install
          if-no-files-found: error
          overwrite: true
          retention-days: 90