constellation/.github/workflows/build-coordinator.yml

# We build the coordinator as part of each PR to see that the build still works. An image is only created once merged to main (see condition on call-coreos).
name: Build and Upload the Coordinator

on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:

# Abort runs of *this* workflow, if a new commit with the same ref is pushed.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-coordinator:
    name: "Build the Coordinator"
    runs-on: ubuntu-latest
    env:
      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
    outputs:
      coordinator-name: ${{ steps.copy.outputs.coordinator-name }}
    steps:
      - name: Checkout
        id: checkout
        uses: actions/checkout@v2

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

      - name: Install Dependencies
        id: prepare
        run: sudo apt-get update && sudo apt-get -y install awscli cmake make

      - name: Build and tag the Coordinator
        id: build
        run: |
          mkdir build && cd build
          cmake ..
          make coordinator
          mv coordinator coordinator-$(sha512sum coordinator | cut -d " " -f 1)

      - name: Copy Coordinator to S3 if not exists
        id: copy
        # Only upload the Coordinator if this action is triggered from main branch
        if: ${{ github.ref == 'refs/heads/main' }}
        run: >
          aws s3api head-object --bucket ${{ secrets.PUBLIC_BUCKET_NAME }} --key coordinator/$(ls | grep "coordinator-")
          || (
          echo "::set-output name=coordinator-name::$(ls | grep "coordinator-")"
          && aws s3 cp ${{ github.workspace }}/build/  s3://${{ secrets.PUBLIC_BUCKET_NAME }}/coordinator/ --exclude "*" --include "coordinator-*" --include "constellation" --recursive --quiet)
        shell: bash {0}
        working-directory: ${{ github.workspace }}/build/

  call-coreos:
    needs: build-coordinator
    if: ${{ (github.ref == 'refs/heads/main') && startsWith(needs.build-coordinator.outputs.coordinator-name, 'coordinator-') }}
    uses: ./.github/workflows/build-coreos.yml
    with:
      coordinator-name: ${{ needs.build-coordinator.outputs.coordinator-name }}
    secrets:
      CI_GITHUB_REPOSITORY: ${{ secrets.CI_GITHUB_REPOSITORY }}
      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
      BUCKET_NAME: ${{ secrets.BUCKET_NAME }}
      PUBLIC_BUCKET_NAME: ${{ secrets.PUBLIC_BUCKET_NAME }}
      AZURE_CREDENTIALS: ${{ secrets.AZURE_CREDENTIALS }}