upload artifact in case of failure

Author: HarshCasper

.github/workflows/e2e.yml

@@ -52,3 +52,33 @@ jobs:
         AWS_DEFAULT_REGION: us-east-1
         AWS_ACCESS_KEY_ID: test
         AWS_SECRET_ACCESS_KEY: test
+
+    - name: Show localstack logs
+      if: always()
+      run: |
+        localstack logs
+
+    - name: Send a Slack notification
+      if: failure() || github.event_name != 'pull_request'
+      uses: ravsamhq/notify-slack-action@v2
+      with:
+        status: ${{ job.status }}
+        token: ${{ secrets.GITHUB_TOKEN }}
+        notification_title: "{workflow} has {status_message}"
+        message_format: "{emoji} *{workflow}* {status_message} in <{repo_url}|{repo}>"
+        footer: "Linked Repo <{repo_url}|{repo}> | <{run_url}|View Workflow run>"
+        notify_when: "failure"
+      env:
+        SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+
+    - name: Generate a Diagnostic Report
+      if: failure()
+      run: |
+        curl -s localhost:4566/_localstack/diagnose | gzip -cf > diagnose.json.gz
+
+    - name: Upload the Diagnostic Report
+      if: failure()
+      uses: actions/upload-artifact@v4
+      with:
+        name: diagnose.json.gz
+        path: ./diagnose.json.gz