qemu.yml

# adapted from Numpy's linux-qemu.yml file
name: Linux Qemu tests

on: [push, pull_request]

defaults:
  run:
    shell: bash

jobs:
  qemu:
    runs-on: ubuntu-22.04
    continue-on-error: true
    strategy:
      matrix:
        BUILD_PROP:
          - [
              "armhf",
              "arm-linux-gnueabihf",
              "arm32v7/ubuntu:22.04",
              "linux/arm/v7",
          ]
          - [
              "ppc64le",
              "powerpc64le-linux-gnu",
              "ppc64le/ubuntu:22.04",
              "linux/ppc64le",
          ]
          - [
              "s390x",
              "s390x-linux-gnu",
              "s390x/ubuntu:22.04",
              "linux/s390x",
          ]
          - [
              "riscv64",
              "riscv64-linux-gnu",
              "riscv64/ubuntu:22.04",
              "linux/riscv64",
          ]

    env:
      NAME: ${{ matrix.BUILD_PROP[0] }}
      TOOLCHAIN_NAME: ${{ matrix.BUILD_PROP[1] }}
      DOCKER_CONTAINER: ${{ matrix.BUILD_PROP[2] }}
      PLATFORM_NAME: ${{ matrix.BUILD_PROP[3] }}
      TERM: xterm-256color

    name: "${{ matrix.BUILD_PROP[0] }}"
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: recursive
        fetch-depth: 0

    - name: Initialize binfmt_misc for qemu-user-static
      run: |
        docker run --rm --privileged multiarch/qemu-user-static --reset -p yes 

    - name: Cache docker container
      uses: actions/cache@v4
      id: container-cache
      with:
        path: ~/docker_${{ matrix.BUILD_PROP[1] }}.tar
        key: container-${{ matrix.BUILD_PROP[1] }}
        
    - name: Creates new container
      if: steps.container-cache.outputs.cache-hit != 'true'
      run: |
        docker run --name ${TOOLCHAIN_NAME} --platform ${PLATFORM_NAME} --interactive -v $(pwd):/gfort2py ${DOCKER_CONTAINER} /bin/bash -c "
          apt-get update &&
          apt-get install -y cmake git python3 python-is-python3 python3-dev python3-venv python3-pip python3-numpy automake libc6-dev linux-libc-dev gcc gfortran &&
          git config --global --add safe.directory /gfort2py &&
          python -m pip install --upgrade build wheel &&
          python -m pip install --upgrade pytest dataclasses_json cpyparsing platformdirs importlib_metadata
        "
        docker commit ${TOOLCHAIN_NAME} ${TOOLCHAIN_NAME}
        docker save -o ~/docker_${TOOLCHAIN_NAME}.tar ${TOOLCHAIN_NAME}

    - name: Load container from cache
      if: steps.container-cache.outputs.cache-hit == 'true'
      run: docker load -i ~/docker_${TOOLCHAIN_NAME}.tar

    - name: Build and test
      run: |
        docker run -v $(pwd):/gfort2py --platform ${PLATFORM_NAME} --ulimit core=0 ${TOOLCHAIN_NAME} /bin/bash -c "
        cd /gfort2py && python -m build && python -m pip install dist/gfort2py-*.whl && python -m pytest -v"