code.yml

name: Code CI

on:
  push:
    tags:
      - "*"
  pull_request:

jobs:
  # Job for creating the container image
  build-image:
    runs-on: ubuntu-latest
    steps:
      
      # Git repositories
      - name: Checkout Source
        uses: actions/checkout@v2
        with:
          path: PandABlocks-rootfs

      - name: Checkout rootfs builder
        uses: actions/checkout@v2
        with:
          repository: dls-controls/rootfs
          path: rootfs
       
      - name: Checkout annotypes
        uses: actions/checkout@v2
        with:
          repository: dls-controls/annotypes
          path: annotypes
        
      - name: Checkout pymalcolm
        uses: actions/checkout@v2
        with:
          repository: dls-controls/pymalcolm
          path: pymalcolm

      - name: Checkout malcolmjs
        uses: actions/checkout@v2
        with:
          repository: dls-controls/malcolmjs
          path: malcolmjs

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      # Docker Buildx 
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      
      # Build and push container image to registry
      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: . 
          file: ./PandABlocks-rootfs/Dockerfile
          push: false 
          tags: pandablocks-dev-container:latest
          outputs: type=docker, dest=./pandablocks-dev-container.tar
          cache-to: type=gha      

      # Upload container as an artifact 
      - name: Upload contianer as an artifact
        uses: actions/upload-artifact@v3
        with:
          name: pandablocks-dev-container
          path: .


  
  # Job the zips
  build:
    needs: [build-image]
    strategy:
      fail-fast: false
      matrix:
        platform: ["zynq", "zynqmp"]

    name: build/${{ matrix.platform }}
    runs-on: ubuntu-latest

    steps:
      
      # Download artifact of image
      - uses: actions/download-artifact@v3
        with:
          name: pandablocks-dev-container
          path: .

      # Git repositories
      - name: Checkout Source
        uses: actions/checkout@v2
        with:
          path: PandABlocks-rootfs
          # require history to get back to last tag for version number of branches
          fetch-depth: 0

      # Run make inside the container 
      - name: Make zips
        run: |
          docker load --input pandablocks-dev-container.tar
          docker run \
            -v "${{ github.workspace }}:/repos" \
            -v "${{ github.workspace }}/build:/build" \
            pandablocks-dev-container:latest \
            /bin/bash -c \
            "cd PandABlocks-rootfs && ln -s CONFIG.example CONFIG && make zips PLATFORM=${{ matrix.platform }}"

      # Upload zips as artifact
      - name: Upload deps and boot build files
        uses: actions/upload-artifact@v3
        with:
          name: zips
          path: ./build/PandA-rootfs-${{ matrix.platform }}/*.zip

  release:
    needs: [build]
    runs-on: ubuntu-latest
    # Make a release on every tag
    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: zips
          path: zips

      - name: Github Release
        # We pin to the SHA, not the tag, for security reasons.
        # https://docs.github.com/en/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
        uses: softprops/action-gh-release@2d72d869af3bf23602f9593a1e3fd739b80ac1eb  # v0.1.12
        with:
          prerelease: ${{ contains(github.ref_name, 'a') || contains(github.ref_name, 'b') || contains(github.ref_name, 'rc') }}
          files: zips/*
          body: See [Changelog](CHANGELOG.rst) for more details
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  
  # Container release
  container-release:
    needs: [build]
    runs-on: ubuntu-latest
    # if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
    steps:

      # Git repositories
      - name: Checkout Source
        uses: actions/checkout@v2
        with:
          path: PandABlocks-rootfs

      - name: Checkout rootfs builder
        uses: actions/checkout@v2
        with:
          repository: dls-controls/rootfs
          path: rootfs

      - name: Checkout annotypes
        uses: actions/checkout@v2
        with:
          repository: dls-controls/annotypes
          path: annotypes

      - name: Checkout pymalcolm
        uses: actions/checkout@v2
        with:
          repository: dls-controls/pymalcolm
          path: pymalcolm

      - name: Checkout malcolmjs
        uses: actions/checkout@v2
        with:
          repository: dls-controls/malcolmjs
          path: malcolmjs

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Log in to GitHub Docker Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/pandablocks/pandablocks-dev-container
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=raw,value=latest

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1

      - name: Rebuild and release image
        uses: docker/build-push-action@v2
        with:
          context: . 
          file: ./PandABlocks-rootfs/Dockerfile
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          push: ${{ github.event_name != 'pull_request' }}