action.yml

name: Spack step
description: 'Builds a step of docker image'
inputs:
  GITHUB_TOKEN:
    required: true
    description: "GITHUB_TOKEN"
  path:
    required: true
    description: "path to the Dockerfile"
  context:
    default: '{{defaultContext}}:'
    description: "Docker context"
  image-name:
    required: true
    description: "Base name of the image to publish"
  build-args:
    default: ""
    description: "Arguments to pass to the build"
  cache:
    default: true
    description: "Whether to use cache"
  tags:
    default: ""
    description: "Additional tags"
  swap:
    default: "0"
    description: "Additional swap to allocate"
  test:
    default: false
    description: "Whether to build the test target before publishing"
  target:
    default:
    description: "Target to build"
runs:
  using: "composite"
  steps:
  - id: setup
    shell: bash
    run: |
      set -ex
      echo " === additional tags: ==="
      cat<<'EOF'
      ${{ inputs.tags }}
      EOF
      echo " === ==="
      if [ -f docker_image_step_SETUP_ALREADY_DONE ]
      then echo "done=true" >> "${GITHUB_OUTPUT}"
      else
        echo "done=false" >> "${GITHUB_OUTPUT}"
        docker system prune -af --volumes
        sudo systemctl stop docker.socket
        sudo systemctl stop docker.service
        sudo mv /var/lib/docker /mnt
        sudo mkdir /var/lib/docker
        sudo mount -o bind /mnt/docker /var/lib/docker
        sudo systemctl start docker.service
        sudo systemctl start docker.socket
      fi
      touch docker_image_step_SETUP_ALREADY_DONE
  - if: "${{ steps.setup.outputs.done != 'true' }}"
    uses: docker/login-action@v3
    with: { registry: "ghcr.io",  username: "${{ github.actor }}", password: "${{ inputs.GITHUB_TOKEN }}" }
  - if: "${{ steps.setup.outputs.done != 'true' }}"
    uses: docker/setup-buildx-action@v3
  - id: info
    shell: bash
    run: |
      if [ 'true' = '${{ contains(inputs.image-name,':') }}' ]
      then echo "sep=-" >> "${GITHUB_OUTPUT}"
      else echo "sep=:" >> "${GITHUB_OUTPUT}"
      fi
      echo "sha=${GITHUB_SHA:0:7}" >> "${GITHUB_OUTPUT}"
  - if: "${{ inputs.test == 'true' }}"
    uses: docker/build-push-action@v5
    with:
      cache-from: "ghcr.io/pdidev/test_env/cache/${{ inputs.image-name }}"
      build-args: |
        ${{ inputs.build-args }}
        IMAGE_TAG=${{ steps.info.outputs.sha }}
      context: "${{ inputs.context }}${{ inputs.path }}"
      load: true
      target: test
  - if: "${{ inputs.swap != '0' }}"
    shell: bash
    run: |
      sudo fallocate -l "${{ inputs.swap }}" /swapfile
      sudo chmod 600 /swapfile
      sudo mkswap /swapfile
      sudo swapon /swapfile
  - if: "${{ inputs.cache == 'true' }}"
    uses: docker/build-push-action@v5
    with:
      cache-from: "ghcr.io/pdidev/test_env/cache/${{ inputs.image-name }}"
      cache-to: "ghcr.io/pdidev/test_env/cache/${{ inputs.image-name }}"
      build-args: |
        ${{ inputs.build-args }}
        IMAGE_TAG=${{ steps.info.outputs.sha }}
      tags: |
        ghcr.io/pdidev/test_env/${{ inputs.image-name }}${{ steps.info.outputs.sep }}${{ steps.info.outputs.sha }}
        ${{ inputs.tags }}
      context: "${{ inputs.context }}${{ inputs.path }}"
      push: true
      target: ${{ inputs.target }}
  - if: "${{ inputs.cache != 'true' }}"
    uses: docker/build-push-action@v5
    with:
      build-args: |
        ${{ inputs.build-args }}
        IMAGE_TAG=${{ steps.info.outputs.sha }}
      tags: |
        ghcr.io/pdidev/test_env/${{ inputs.image-name }}${{ steps.info.outputs.sep }}${{ steps.info.outputs.sha }}
        ${{ inputs.tags }}
      context: "${{ inputs.context }}${{ inputs.path }}"
      push: true
      target: ${{ inputs.target }}
  - name: "Remove swap file"
    shell: bash
    run: |
      if [ -e /swapfile ]
      then
        sudo swapoff /swapfile || true
        sudo rm -f /swapfile || true
      fi