ci: validate CNS in-memory state after restart (#2049)

* validate pod states after cns restart

* update job

* wait for cns to complete restart

* update pipeline log

* update pipeline log

.pipelines/singletenancy/cilium-overlay/cilium-overlay-e2e-step-template.yaml

@@ -165,6 +165,19 @@ steps:
     name: "validatePods"
     displayName: "Validate Pods"
 
+  - script: |
+      echo "validate pod IP assignment before CNS restart"
+      kubectl get pod -owide -A
+      make test-validate-state
+      echo "restart CNS"
+      kubectl rollout restart ds azure-cns -n kube-system
+      kubectl rollout status ds azure-cns -n kube-system
+      kubectl get pod -owide -A
+      echo "validate pods after CNS restart"
+      make test-validate-state
+    name: "restartCNS"
+    displayName: "Restart CNS and validate pods"
+
   - script: |
       echo "Run wireserver and metadata connectivity Tests"
       bash test/network/wireserver_metadata_test.sh

.pipelines/singletenancy/cilium/cilium-e2e-step-template.yaml

@@ -149,6 +149,19 @@ steps:
     name: "validatePods"
     displayName: "Validate Pods"
 
+  - script: |
+      echo "validate pod IP assignment before CNS restart"
+      kubectl get pod -owide -A
+      make test-validate-state
+      echo "restart CNS"
+      kubectl rollout restart ds azure-cns -n kube-system
+      kubectl rollout status ds azure-cns -n kube-system
+      kubectl get pod -owide -A
+      echo "validate pods after CNS restart"
+      make test-validate-state
+    name: "restartCNS"
+    displayName: "Restart CNS and validate pods"
+
   - script: |
       echo "Run wireserver and metadata connectivity Tests"
       bash test/network/wireserver_metadata_test.sh