Add slack notif when integration test fails (#5332)

.github/workflows/integration.yml

@@ -80,6 +80,27 @@ jobs:
         ./build/fleetctl get hosts
         echo "Success! $EXPECTED hosts enrolled."
 
+    - name: Slack Notification
+      if: failure()
+      uses: slackapi/slack-github-action@16b6c78ee73689a627b65332b34e5d409c7299da # v1.18.0
+      with:
+        payload: |
+          {
+            "text": "${{ job.status }}\n${{ github.event.pull_request.html_url || github.event.head.html_url }}",
+            "blocks": [
+              {
+                "type": "section",
+                "text": {
+                  "type": "mrkdwn",
+                  "text": "Integration test result: ${{ job.status }}\nhttps://github.com/fleetdm/fleet/actions/runs/${{  github.run_id }}\n${{ github.event.pull_request.html_url || github.event.head.html_url }}"
+                }
+              }
+            ]
+          }
+      env:
+        SLACK_WEBHOOK_URL: ${{ secrets.SLACK_CORE_ENGINEERING_WEBHOOK_URL }}
+        SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
+
     - name: Cleanup tunnel
       if: always()
       run: cloudflared tunnel --origincert cert.pem delete --force ${{ needs.gen.outputs.subdomain }}