notify-wheel-failure.yml

name: Workflow Failure Slack Notifier

on:
  workflow_run:
    workflows:
      - Build Wheels
    types: [completed]

jobs:
  on-failure:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
    steps:
      - name: Send notification to Slack
        uses: slackapi/slack-github-action@v1.24.0
        with:
          payload: |
            {
              "action": "${{ github.event.action }}",
              "conclusion": "${{ github.event.workflow_run.conclusion }}",
              "workflow_name": "${{ github.event.workflow.name }}",
              "workflow_run_url": "${{ github.event.workflow_run.html_url }}"
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_WORKFLOW_FAILURE }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK