ubuntu.yml

---
name: Ubuntu

on:
  push:
    branches: [main, release-*]
  pull_request:
    branches: [main, release-*]

# Some notes on file paths: the working directory is $GITHUB_WORKSPACE,
# which equals /home/runner/work/my-repo-name/my-repo-name. The code is
# checked out to $GITHUB_WORKSPACE as well. We put all libraries under
# /home/runner/lib.

jobs:
  compile:
    name: Compile planner
    timeout-minutes: 60
    runs-on: ${{ matrix.version.ubuntu }}
    strategy:
      matrix:
        version:
          - {ubuntu: 'ubuntu-20.04', python: '3.8', cc: gcc-10, cxx: g++-10, run_tox_tests: true}
          - {ubuntu: 'ubuntu-20.04', python: '3.8', cc: clang-12, cxx: clang++-12, run_tox_tests: false}
          - {ubuntu: 'ubuntu-22.04', python: '3.10', cc: gcc-11, cxx: g++-11, run_tox_tests: false}
          - {ubuntu: 'ubuntu-22.04', python: '3.10', cc: gcc-12, cxx: g++-12, run_tox_tests: true}
          - {ubuntu: 'ubuntu-22.04', python: '3.10', cc: clang-14, cxx: clang++-14, run_tox_tests: false}
    env:
      CC: ${{ matrix.version.cc }}
      CXX: ${{ matrix.version.cxx }}
      CPLEX_URL: ${{ secrets.CPLEX2211_LINUX_URL }}
      cplex_DIR: /home/runner/lib/ibm/ILOG/CPLEX_Studio2211/cplex
      CPLEX_LIB: /home/runner/lib/ibm/ILOG/CPLEX_Studio2211/cplex/bin/x86-64_linux/libcplex2211.so
      soplex_DIR: /home/runner/lib/soplex-6.0.3x
      SOPLEX_LIB: /home/runner/lib/soplex-6.0.3x/lib/
      SOPLEX_INCLUDE: /home/runner/lib/soplex-6.0.3x/include/
    steps:
      - name: Clone repository
        uses: actions/checkout@v3

      - name: Install Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.version.python }}

      - name: Install dependencies
        run: |
          sudo apt-get -y install zlib1g-dev libgmp3-dev ${{ matrix.version.cc }}
          mkdir /home/runner/lib

      # In 22.04 g++-12 is not automatically installed when gcc-12 gets
      # installed, so we do it separately. We do not use an unconditional
      # install for any value of cxx because there is no separate package for
      # clang++.
      - name: Install CXX
        if: startsWith(matrix.version.cxx, 'g++-')
        run: |
          sudo apt-get -y install ${{ matrix.version.cxx }}

      # TODO: Remove once issue with Ubuntu 22.04 and clang++-14 is resolved.
      - name: Work around https://github.com/actions/runner-images/issues/8659
        if: matrix.version.cxx == 'clang++-14'
        run: |
          sudo rm -f /etc/apt/sources.list.d/ubuntu-toolchain-r-ubuntu-test-jammy.list
          sudo apt-get update
          sudo apt-get install -y --allow-downgrades libc6=2.35-* libc6-dev=2.35-* libstdc++6=12.3.0-* libgcc-s1=12.3.0-*

      # Only install CPLEX if its URL/secret is set.
      - name: Install CPLEX
        if: ${{ env.CPLEX_URL != 0 }}
        run: |
          # We redirect output of wget to hide the secret URLs.
          wget -O cplex_installer $CPLEX_URL &> /dev/null
          chmod +x cplex_installer
          ./cplex_installer -DLICENSE_ACCEPTED=TRUE -DUSER_INSTALL_DIR="$(dirname "${cplex_DIR}")" -i silent
          rm cplex_installer

      # Always install SoPlex
      - name: Install SoPlex
        run: |
          git clone https://github.com/scipopt/soplex.git
          cd soplex
          git checkout a5df0814d67812c13a00f06eec507b4d071fb862
          cd ..
          cmake -S soplex -B build
          cmake --build build
          cmake --install build --prefix "${soplex_DIR}"
          rm -rf soplex build

      - name: Compile planner
        run: |
          export CXXFLAGS="-Werror" # Treat compilation warnings as errors.
          ./build.py --debug
          ./build.py

      - name: Archive required files
        # We only run tests on one compiler version per Ubuntu version, so we
        # only need to archive that one.
        if: ${{ matrix.version.run_tox_tests }}
        run: |
          files_to_archive="fast-downward.py driver misc builds/debug/bin/ \
                            builds/release/bin/ ${SOPLEX_LIB} ${SOPLEX_INCLUDE}"
          if [[ ! -z "${CPLEX_URL}" ]]; then
            files_to_archive="${files_to_archive} ${CPLEX_LIB}"
          fi
          tar cfz archive.tar.gz -C "/home/runner" $(realpath --relative-to="/home/runner" $files_to_archive)

      - name: Upload archive
        if: ${{ matrix.version.run_tox_tests }}
        uses: actions/upload-artifact@v3
        with:
          name: compiled-planner-${{ matrix.version.ubuntu }}
          path: archive.tar.gz
          retention-days: 1


  run_tox_tests:
    name: Test planner
    runs-on: ${{ matrix.version.ubuntu }}
    needs: compile # TODO: this only depends on the compile step with the gcc version we test
    strategy:
      matrix:
        version:
          - {ubuntu: ubuntu-20.04, python: '3.8'}
          - {ubuntu: ubuntu-22.04, python: '3.10'}
    env:
      CPLEX_URL: ${{ secrets.CPLEX2211_LINUX_URL }}
    steps:
      - name: Download archive
        uses: actions/download-artifact@v3
        with:
          name: compiled-planner-${{ matrix.version.ubuntu }}

      - name: Delete artifact
        uses: geekyeggo/delete-artifact@v2
        with:
          name: compiled-planner-${{ matrix.version.ubuntu }}

      - name: Install Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.version.python }}

      - name: Install dependencies
        run: |
          pip3 install tox
          sudo apt-get -y install zlib1g-dev libgmp3-dev gcc flex bison

        # NOTE: VAL does not compile with clang-12.
      - name: Install VAL
        run: |
          git clone https://github.com/KCL-Planning/VAL.git
          cd VAL
          git checkout a5565396007eee73ac36527fbf904142b3077c74
          make clean  # Remove old build artifacts and binaries.
          sed -i 's/-Werror //g' Makefile  # Ignore warnings.
          make -j2
          mv validate ../
          cd ../
          rm -rf VAL
          echo `pwd` >> $GITHUB_PATH # Add VAL to path of subsequent steps.

      - name: Extract archive
        # We need to make sure that library paths are the same as
        # during compilation.
        run: |
          tar xfz archive.tar.gz -C "/home/runner"

      - name: Run driver, translator and search tests
        run: |
          cd misc/
          tox -e driver,translator,search,autodoc

      - name: Run CPLEX tests
        if: ${{ env.CPLEX_URL != 0 }}
        run: |
          cd misc/
          tox -e cplex

      - name: Run SoPlex tests
        run: |
          cd misc/
          tox -e soplex

...