build_and_test.yaml

name: Build and Test
# Builds FANS inside various docker containers and runs the tests.

on:
  push:
    branches:
      - main
      - develop
  pull_request:
  workflow_dispatch:

concurrency:
  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{github.event_name == 'pull_request'}}

jobs:
  build:
    name: ${{ format('Ubuntu {0}, {1}', matrix.UBUNTU_VERSION, matrix.ARCH) }}
    runs-on: ubuntu-latest
    env:
      FANS_DIR: /FANS
      FANS_IMG: unistuttgartdae/fans-ci
      FANS_CONTAINER: fans-ci
      FANS_BUILD_DIR: build
      FANS_MPI_UID: 1000
    strategy:
      fail-fast: false
      matrix:
        ARCH: [amd64, arm64]
        UBUNTU_VERSION: [noble, jammy, focal]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Create and start container
        run: |
          docker create \
            --name ${{ env.FANS_CONTAINER }} \
            --platform linux/${{ matrix.ARCH }} \
            --interactive \
            --volume .:${{ env.FANS_DIR }} \
            ${{ env.FANS_IMG }}:${{ matrix.UBUNTU_VERSION }}
          docker start ${{ env.FANS_CONTAINER }}

      - name: Generate build directory
        run: |
          docker exec \
            -w ${{ env.FANS_DIR }} \
            ${{ env.FANS_CONTAINER }} \
            bash -c ' \
              mkdir -p ${{ env.FANS_BUILD_DIR }} \
            '

      - name: Configure
        run: |
          docker exec \
            -w ${{ env.FANS_DIR }}/${{ env.FANS_BUILD_DIR }} \
            ${{ env.FANS_CONTAINER }} \
            bash -c ' \
              cmake --version && \
              cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXPORT_COMPILE_COMMANDS=ON .. \
            '

      - uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: ${{ format('Ubuntu {0}, {1}', matrix.UBUNTU_VERSION, matrix.ARCH) }} CMakeCache
          path: ${{ env.FANS_BUILD_DIR }}/CMakeCache.txt
      - uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: ${{ format('Ubuntu {0}, {1}', matrix.UBUNTU_VERSION, matrix.ARCH) }} CMakeLogs
          path: '${{ env.FANS_BUILD_DIR }}/CMakeFiles/*.log'
      - uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: ${{ format('Ubuntu {0}, {1}', matrix.UBUNTU_VERSION, matrix.ARCH) }} CompileCommands
          path: ${{ env.FANS_BUILD_DIR }}/compile_commands.json

      - name: Compile
        run: |
          docker exec \
            -w ${{ env.FANS_DIR }}/${{ env.FANS_BUILD_DIR }} \
            ${{ env.FANS_CONTAINER }} \
            bash -c ' \
              cmake --build . -j $(nproc) || cmake --build . -j1 \
            '

      - name: Adjust user rights
        run: |
          docker exec \
            -w ${{ env.FANS_DIR }} \
            ${{ env.FANS_CONTAINER }} \
            bash -c ' \
              chown -R ${{ env.FANS_MPI_UID }} ${{ env.FANS_BUILD_DIR }}
            '

      - name: Tests
        run: |
          docker exec \
            -w ${{ env.FANS_DIR }}/${{ env.FANS_BUILD_DIR }} \
            -u ${{ env.FANS_MPI_UID }} \
            -e CTEST_OUTPUT_ON_FAILURE=1 \
            ${{ env.FANS_CONTAINER }} \
            bash -c ' \
              ctest
            '

      - uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: ${{ format('Ubuntu {0}, {1}', matrix.UBUNTU_VERSION, matrix.ARCH) }} CTest logs
          path: ${{ env.FANS_BUILD_DIR }}/Testing/Temporary/LastTest.log