Add keep options

hack/testdata/pod-with-metadata-and-probes.yaml

@@ -0,0 +1,24 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  annotations:
+    test: test
+  labels:
+    run: target
+  name: target
+spec:
+  containers:
+  - image: registry.k8s.io/nginx:1.7.9
+    name: target
+    readinessProbe:
+      exec:
+        command: ["/bin/sh", "-c", "cat probe"]
+    livenessProbe:
+      exec:
+        command: ["/bin/sh", "-c", "cat probe"]
+    startupProbe:
+      exec:
+        command: ["/bin/sh", "-c", "cat probe"]
+  initContainers:
+  - image: busybox
+    name: init