Create notification_trial

.github/workflows/notification_trial.yml

@@ -0,0 +1,34 @@
+name: Failure Notification
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0-58/2 * * * *"
+
+jobs:
+  failing-job:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Announce event
+      run: |
+        echo ${{ github.event_name }}
+        echo ${{ github.event_name == 'pull_request' }}
+    - name: failing step
+      run: exit 1
+  on-failure:
+    runs-on: ubuntu-latest
+    if: ${{ always() && github.event_name == 'pull_request' }}
+    needs:
+      - failing-job
+    steps:
+    - uses: actions/checkout@v2
+    - name: Slack Notification
+      uses: rtCamp/action-slack-notify@v2
+      env:
+        MSG_MINIMAL: actions url
+        SLACK_FOOTER: ""
+        SLACK_TITLE: LSST metadetect tests failing on lsst-dev
+        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}
+    - name: Announce event again
+      run: echo ${{ github.event_name == 'pull_request' && needs.failing-job.result == 'failure' }}