docker-builds.yaml

name: build lammps matrix

on:
  pull_request: []
  push:
    branches:
      - main

jobs:
  build-containers:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        test:           
          # Note that rocky 8 doesn't have support for additional platforms
          - ["intel-mpi-rocky", "8", "linux/amd64"]
          - ["intel-mpi-rocky", "9", "linux/amd64"]
          # Debug on an aws instance or locally
          # - ["intel-mpi-rocky", "9", "linux/arm64"]
          - ["openmpi-ubuntu", "20.04", "linux/amd64"]
          - ["openmpi-ubuntu", "20.04", "linux/arm64"]
          - ["openmpi-ubuntu", "20.04", "linux/ppc64le"]
          - ["openmpi-ubuntu", "22.04", "linux/amd64"]
          - ["openmpi-ubuntu", "22.04", "linux/arm64"]
          - ["openmpi-ubuntu", "22.04", "linux/ppc64le"]
          - ["openmpi-ubuntu-vtune", "22.04", "linux/amd64"]
          - ["openmpi-ubuntu-vtune", "22.04", "linux/arm64"]
          # To be built on larger fs machines
          #- ["openmpi-ubuntu-gpu", "22.04", "linux/amd64"]
          #- ["openmpi-ubuntu-gpu", "22.04", "linux/arm64"]
          #- ["openmpi-ubuntu-gpu", "20.04", "linux/amd64"]
          #- ["openmpi-ubuntu-gpu", "20.04", "linux/arm64"]
          - ["mpich-ubuntu", "20.04", "linux/amd64"]
          - ["mpich-ubuntu", "20.04", "linux/arm64"]
          - ["mpich-ubuntu", "20.04", "linux/ppc64le"]
          - ["mpich-ubuntu", "22.04", "linux/amd64"]
          - ["mpich-ubuntu", "22.04", "linux/arm64"]
          - ["mpich-ubuntu", "22.04", "linux/ppc64le"]

    name: ${{ matrix.test[0] }}-${{ matrix.test[1] }}-${{ matrix.test[2] }}
    steps:
    - name: Clone the code
      uses: actions/checkout@v4

    - name: Get changed files
      id: changed-files
      uses: tj-actions/changed-files@v37

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
      with:
        platforms: ${{ matrix.platform }}

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: GHCR Login
      if: (github.event_name != 'pull_request')
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Define container name
      env:
        uri: ${{ matrix.test[0] }}
        tag: ${{ matrix.test[1] }}
        arch: ${{ matrix.test[2] }}
      run: |
        arch=$(python -c "print('${arch}'.split('/')[1])")
        container=ghcr.io/rse-ops/lammps-matrix:${uri}-${tag}-${arch}
        echo "container=${container}" >> $GITHUB_ENV
      
    - name: Pull Layers (if exist)
      env:
        container: ${{ env.container }}
      run: docker pull ${container} || echo "${container} not pushed yet"

    - name: Make Space For Build
      run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /usr/local/lib/android
          sudo rm -rf /opt/ghc
          sudo rm -rf /usr/local/share/boost
          sudo rm -rf "$AGENT_TOOLSDIRECTORY"

    - name: Check Container
      env:
        context: ${{ matrix.test[0] }}
      run: |
        cd ${context}
        dockerfile=$(realpath Dockerfile)        
        dobuild="no"
        cd -
        for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
            file=$(realpath $file)
            echo "Looking at changed file ${file}"
            if [[ "$file" == "$dockerfile" ]]; then
              echo "$file was changed and warrants build"
              dobuild="yes"
            fi
            # Exit after we have found the match
            if [[ "$dobuild" == "yes" ]]; then
              break
            fi
        done
        echo "dobuild=${dobuild}" >> $GITHUB_ENV

    - name: Build and Deploy
      if: (env.dobuild == 'yes')
      id: build
      uses: docker/build-push-action@v3
      with:
        context: ${{ matrix.test[0] }}
        push: ${{ github.event_name != 'pull_request' }}
        cache-from: type=gha
        cache-to: type=gha,mode=max
        platforms: ${{ matrix.test[2] }}
        build-args: |
          tag=${{ matrix.test[1] }}
        tags: |
          ${{ env.container }}