Test operator restart (#3486)

tests/e2e/operator-restart/assert-operator-pod.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app.kubernetes.io/name: opentelemetry-operator
+    control-plane: controller-manager
+  namespace: ($OTEL_NAMESPACE)
+status:
+  containerStatuses:
+  - name: kube-rbac-proxy
+    ready: true
+    started: true
+  - name: manager
+    ready: true
+    started: true
+  phase: Running

tests/e2e/operator-restart/chainsaw-test.yaml

@@ -0,0 +1,36 @@
+apiVersion: chainsaw.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  name: operator-restart
+spec:
+  # Running the test serially as its disruptive causing operator pod restart
+  concurrent: false
+  steps:
+  - name: Delete operator pod
+    try:
+    - command:
+        entrypoint: kubectl
+        args:
+        - get
+        - pods
+        - -A
+        - -l control-plane=controller-manager
+        - -l app.kubernetes.io/name=opentelemetry-operator
+        - -o 
+        - jsonpath={.items[0].metadata.namespace}
+        outputs:
+        - name: OTEL_NAMESPACE
+          value: ($stdout)
+    - delete:
+        ref:
+          apiVersion: v1
+          kind: Pod
+          namespace: ($OTEL_NAMESPACE)
+          labels:
+            control-plane: controller-manager
+            app.kubernetes.io/name: opentelemetry-operator
+    # Adding 10s sleep here cause sometimes the pod will be in running state for a while but can fail later if there is any issue with the component startup.
+    - sleep:
+        duration: 10s
+    - assert:
+        file: assert-operator-pod.yaml