add reporting of deployment errors

.github/workflows/workflow_test.yml

@@ -139,3 +139,25 @@ jobs:
          workflows: true
          workflow-namespace: iwc-workflows
          github-token: ${{ secrets.IWC_WORKFLOWS_BOT_TOKEN }}
+
+  deploy-report:
+    name: Report deploy status
+    needs: [deploy]
+    if: ${{ always() && needs.deploy.result != 'success' && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main' ) && github.repository_owner == 'galaxyproject' }}
+    runs-on: ubuntu-latest
+    steps:
+    # report to the PR if deployment failed
+    - name: Get PR object
+      uses: 8BitJonny/[email protected]
+      id: getpr
+      with:
+        sha: ${{ github.event.after }}
+    - name: Create comment
+      uses: peter-evans/create-or-update-comment@v2
+      with:
+        token: ${{ secrets.PAT }}
+        issue-number: ${{ steps.getpr.outputs.number }}
+        body: |
+          Attention: deployment ${{ needs.deploy.result }}!
+
+          https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}