build_images.yml

name: Send Build Image Event

on:
  workflow_call:
    inputs:
      ref:
        required: true
        type: string
      event_name:
        required: true
        type: string
    secrets:
      token:
        required: true

jobs:
  determine_whether_to_run:
    runs-on: ubuntu-latest
    outputs:
      send_event: ${{ steps.check-send-event.outputs.run_jobs }}

    steps:
      - name: Check if event should be sent
        id: check-send-event
        run: (echo "${{ inputs.ref }}" | grep -Eq  '^refs\/tags\/[0-9]+\.[0-9]+\.[0-9]+$') && echo "::set-output name=run_jobs::true" || echo "::set-output name=run_jobs::false"

  send_event:
    needs: determine_whether_to_run
    runs-on: ubuntu-latest
    if: needs.determine_whether_to_run.outputs.send_event == 'true'

    steps:
      - name: Send Repo Dispatch Event
        uses: peter-evans/repository-dispatch@v2
        with:
          token: ${{ secrets.token }}
          repository: appbaseio-confidential/elasticsearch-packer-build
          event-type: ${{ inputs.event_name }}