collator-selection.yml

name: collator-selection

# Controls when the action will run.
on:
  workflow_call:

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

#Define Workflow variables
env:
  REPO_URL: ${{ github.server_url }}/${{ github.repository }}

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:

  prepare-execution-marix:
    name: Prepare execution matrix
    runs-on: [self-hosted]
    outputs:
      matrix: ${{ steps.create_matrix.outputs.matrix }}

    steps:
      - name: Clean Workspace
        uses: AutoModality/action-clean@v1.1.0

      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3.1.0
        with:
          ref: ${{ github.head_ref }}  #Checking out head commit

      - name: Read .env file
        uses: xom9ikk/dotenv@v2

      - name: Create Execution matrix
        uses: CertainLach/create-matrix-action@v4
        id: create_matrix
        with:
          matrix: |
            network {opal}, relay_branch {${{ env.UNIQUEWEST_MAINNET_BRANCH }}}
            network {quartz}, relay_branch {${{ env.KUSAMA_MAINNET_BRANCH }}}

  collator-selection:
    needs: prepare-execution-marix
    # The type of runner that the job will run on
    runs-on: [self-hosted]

    timeout-minutes: 1380

    name: ${{ matrix.network }}

    continue-on-error: true         #Do not stop testing of matrix runs failed.  As it decided during PR review - it required 50/50& Let's check it with false.

    strategy:
      matrix:
        include: ${{fromJson(needs.prepare-execution-marix.outputs.matrix)}}

    steps:
      - name: Skip if pull request is in Draft
        if: github.event.pull_request.draft == true
        run: exit 1

      - name: Clean Workspace
        uses: AutoModality/action-clean@v1.1.0

      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3.1.0
        with:
          ref: ${{ github.head_ref }}  #Checking out head commit

      # Prepare SHA
      - name: Prepare SHA
        uses: ./.github/actions/prepare

      - name: Read .env file
        uses: xom9ikk/dotenv@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@v3.2.0
        with:
          username: ${{ secrets.CORE_DOCKERHUB_USERNAME }}
          password: ${{ secrets.CORE_DOCKERHUB_TOKEN }}

      - name: Check and pull polkadot image
        id: polkadot
        uses: cloudposse/github-action-docker-image-exists@main
        with:
          registry: registry.hub.docker.com
          organization: parity
          repository: polkadot
          login: ${{ secrets.CORE_DOCKERHUB_USERNAME }}
          password: ${{ secrets.CORE_DOCKERHUB_TOKEN }}
          tag: ${{ matrix.relay_branch }}

      - name: Clean Workspace
        if: always()
        uses: AutoModality/action-clean@v1.1.0

      - name: Remove builder cache
        if: always()
        run: |
          docker system prune -a -f

  outputs:
    result: ${{ steps.polkadot.outputs.exists }}
    result_conclusion: ${{ steps.polkadot.outputs.conclusion }}
    image: ${{ steps.polkadot.outputs.image }}
    tag: ${{ steps.polkadot.outputs.tag }}