GCC.yml

# This is a CI workflow for the fv3atm project.
#
# This workflow builds and tests the fv3atm library using GCC, and it tests
# different CMake build options.
#
# Alex Richert, 6 Dec 2023

name: GCC
on:
  push:
    branches:
    - develop
  pull_request:
    branches:
    - develop

jobs:
  build_spack:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        gcc_ver: ["12"]
        mpi: ["mpich", "openmpi"]

    steps:
        
    - name: checkout-fv3atm
      uses: actions/checkout@v4
      with:
        path: ${{ github.workspace }}/fv3atm
        submodules: recursive

    - name: install-cmake
      run: |
        cd ${{ github.workspace }}
        curl -f -s -S -R -L https://github.com/Kitware/CMake/releases/download/v3.29.2/cmake-3.29.2-Linux-x86_64.tar.gz | tar -zx
        echo "${{ github.workspace }}/cmake-3.29.2-linux-x86_64/bin" >> $GITHUB_PATH

    - name: cache-spack
      id: cache-spack
      uses: actions/cache@v4
      with:
        path: ${{ github.workspace }}/spack-develop
        key: spack-${{ hashFiles('fv3atm/ci/spack.yaml') }}-gcc${{ matrix.gcc_ver }}-${{ matrix.mpi }}

    # Building dependencies takes 40+ min
    - name: spack-install
      if: steps.cache-spack.outputs.cache-hit != 'true'
      run: |
        wget --no-verbose https://github.com/spack/spack/archive/refs/heads/develop.zip
        unzip develop.zip -d ${GITHUB_WORKSPACE}/ &> unzip.out
        . ${GITHUB_WORKSPACE}/spack-develop/share/spack/setup-env.sh
        spack env create gcc${{ matrix.gcc_ver }} ${GITHUB_WORKSPACE}/fv3atm/ci/spack.yaml
        spack env activate gcc${{ matrix.gcc_ver }}
        spack compiler find | grep gcc@${{ matrix.gcc_ver }}
        spack external find gmake cmake git git-lfs perl python ${{ matrix.mpi }}
        spack config add "packages:all:require:['%gcc@${{ matrix.gcc_ver }}']"
        spack config add "packages:mpi:require:'${{ matrix.mpi }}'"
        spack concretize |& tee ${SPACK_ENV}/log.concretize
        spack install -j2 --fail-fast
        echo "spackrc=$?" >> ${GITHUB_ENV}
        spack clean --all

  build_fv3atm:
    needs: build_spack
    runs-on: ubuntu-latest

    strategy:
      matrix:
        cmake_opts: ["-D32BIT=ON", "-D32BIT=OFF"]
        gcc_ver: ["12"]
        mpi: ["mpich", "openmpi"]

    steps:

    # Only do gcovr build for one job
    - name: decide-gcovr-build
      run: |
        if [[ "${{ matrix.cmake_opts }}" == "-D32BIT=ON" && "${{ matrix.gcc_ver }}" == 12 && "${{ matrix.mpi }}" == mpich ]]; then
          echo 'devbuild=ON' | tee -a ${GITHUB_ENV}
          echo 'gcov_cmake="-DCMAKE_Fortran_FLAGS=-fprofile-abs-path -fprofile-arcs -ftest-coverage -O0"' | tee -a ${GITHUB_ENV}
        else
          echo 'devbuild=OFF' | tee -a ${GITHUB_ENV}
        fi

    - name: install-utilities
      run: |
        python3 -m pip install gcovr

    - name: install-cmake
      run: |
        cd ${{ github.workspace }}
        curl -f -s -S -R -L https://github.com/Kitware/CMake/releases/download/v3.29.2/cmake-3.29.2-Linux-x86_64.tar.gz | tar -zx
        echo "${{ github.workspace }}/cmake-3.29.2-linux-x86_64/bin" >> $GITHUB_PATH

    - name: checkout-fv3atm
      uses: actions/checkout@v4
      with:
        path: ${{ github.workspace }}/fv3atm
        submodules: recursive

    - name: cache-spack
      id: cache-spack
      uses: actions/cache/restore@v4
      with:
        path: ${{ github.workspace }}/spack-develop
        key: spack-${{ hashFiles('fv3atm/ci/spack.yaml') }}-gcc${{ matrix.gcc_ver }}-${{ matrix.mpi }}

    - name: build-fv3atm
      run: |
        . ${GITHUB_WORKSPACE}/spack-develop/share/spack/setup-env.sh
        spack env activate gcc${{ matrix.gcc_ver }}
        spack load $(spack find --format "{name}")
        cd ${GITHUB_WORKSPACE}/fv3atm
        git clone https://github.com/NOAA-EMC/CMakeModules
        git clone --recurse-submodules https://github.com/NOAA-PSL/stochastic_physics stochastic_physics_repo
        mkdir ${GITHUB_WORKSPACE}/build
        cd ${GITHUB_WORKSPACE}/build
        export CC=mpicc
        export CXX=mpicxx
        export FC=mpif90
        cmake ${GITHUB_WORKSPACE}/fv3atm -DBUILD_TESTING=ON ${{ matrix.cmake_opts }} ${{ env.gcov_cmake }}
        make -j2

    - name: run-tests
      run: |
        cd $GITHUB_WORKSPACE/build
        ctest -j2 --output-on-failure --rerun-failed

    - name: get-test-coverage
      if: ${{ env.devbuild == 'ON' }}
      run: |
        cd $GITHUB_WORKSPACE/build
        gcovr -r .. -v --html-details --gcov-executable gcov-12 --exclude $GITHUB_WORKSPACE/fv3atm/tests --exclude $GITHUB_WORKSPACE/fv3atm/stochastic_physics_repo --exclude $GITHUB_WORKSPACE/fv3atm/build/ccpp --exclude $GITHUB_WORKSPACE/fv3atm/ccpp/physics --exclude $GITHUB_WORKSPACE/fv3atm/ccpp/framework --exclude $GITHUB_WORKSPACE/fv3atm/atmos_cubed_sphere  --exclude CMakeFiles --print-summary -o test-coverage.html

    - name: upload-test-coverage
      uses: actions/upload-artifact@v4
      if: ${{ env.devbuild == 'ON' }}
      with:
        name: test-coverage-fv3atm-${{ github.sha }}
        path: |
              ${{ github.workspace }}/build/*.html 
              ${{ github.workspace }}/build/*.css

    - name: debug-artifacts
      uses: actions/upload-artifact@v4
      if: ${{ failure() }}
      with:
        name: ccpp_prebuild_logs-gcc${{ matrix.gcc_ver }}-${{ matrix.mpi }}-${{ matrix.cmake_opts }}
        path: ${{ github.workspace }}/build/ccpp/ccpp_prebuild.*