Add event logging for Terraform recipe publishing (radius-project#7028)

# Description

Adding logs to track pod failures during scheduled functional test runs

## Type of change

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- This pull request is a minor refactor, code cleanup, test improvement,
or other maintenance task and doesn't change the functionality of Radius
radius-project#6563

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Fixes: radius-project#6563

Signed-off-by: sk593 <shruthikumar@microsoft.com>

.github/workflows/functional-test.yaml

@@ -578,6 +578,28 @@ jobs:
         with:
           name: ${{ matrix.name }}_container_logs
           path: ./${{ env.RADIUS_CONTAINER_LOG_BASE }}
+      - name: Get Terraform recipe publishing logs
+        if: always()
+        run: |
+          # Create pod-logs directory
+          mkdir -p recipes/pod-logs
+          # Get pod logs and save to file
+          namespace="radius-test-tf-module-server"
+          label="app.kubernetes.io/name=tf-module-server"
+          pod_names=($(kubectl get pods -l $label -n $namespace -o jsonpath='{.items[*].metadata.name}'))
+          for pod_name in "${pod_names[@]}"; do
+            kubectl logs $pod_name -n $namespace > recipes/pod-logs/${pod_name}.txt
+          done
+          echo "Pod logs saved to recipes/pod-logs/"
+          # Get kubernetes events and save to file
+          kubectl get events -n $namespace > recipes/pod-logs/events.txt
+      - name: Upload Terraform recipe publishing logs 
+        uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: recipes-pod-logs
+          path: recipes/pod-logs
+          if-no-files-found: error
       - uses: marocchino/sticky-pull-request-comment@v2
         if: success() && env.PR_NUMBER != ''
         continue-on-error: true