change the StatefulSet observedGeneration from a pointer to an int for consistency

pkg/api/testing/fuzzer.go

@@ -731,6 +731,9 @@ func appsFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
 				s.Spec.RevisionHistoryLimit = new(int32)
 				*s.Spec.RevisionHistoryLimit = 10
 			}
+			if s.Status.ObservedGeneration == nil {
+				s.Status.ObservedGeneration = new(int64)
+			}
 		},
 	}
 }

pkg/apis/apps/v1beta2/conversion.go

@@ -43,6 +43,8 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 		Convert_apps_StatefulSetUpdateStrategy_To_v1beta2_StatefulSetUpdateStrategy,
 		Convert_extensions_RollingUpdateDaemonSet_To_v1beta2_RollingUpdateDaemonSet,
 		Convert_v1beta2_RollingUpdateDaemonSet_To_extensions_RollingUpdateDaemonSet,
+		Convert_v1beta2_StatefulSetStatus_To_apps_StatefulSetStatus,
+		Convert_apps_StatefulSetStatus_To_v1beta2_StatefulSetStatus,
 		// extensions
 		// TODO: below conversions should be dropped in favor of auto-generated
 		// ones, see https://github.com/kubernetes/kubernetes/issues/39865
@@ -223,6 +225,31 @@ func Convert_apps_StatefulSetUpdateStrategy_To_v1beta2_StatefulSetUpdateStrategy
 	return nil
 }
 
+func Convert_v1beta2_StatefulSetStatus_To_apps_StatefulSetStatus(in *appsv1beta2.StatefulSetStatus, out *apps.StatefulSetStatus, s conversion.Scope) error {
+	out.ObservedGeneration = new(int64)
+	*out.ObservedGeneration = in.ObservedGeneration
+	out.Replicas = in.Replicas
+	out.ReadyReplicas = in.ReadyReplicas
+	out.CurrentReplicas = in.CurrentReplicas
+	out.UpdatedReplicas = in.UpdatedReplicas
+	out.CurrentRevision = in.CurrentRevision
+	out.UpdateRevision = in.UpdateRevision
+	return nil
+}
+
+func Convert_apps_StatefulSetStatus_To_v1beta2_StatefulSetStatus(in *apps.StatefulSetStatus, out *appsv1beta2.StatefulSetStatus, s conversion.Scope) error {
+	if in.ObservedGeneration != nil {
+		out.ObservedGeneration = *in.ObservedGeneration
+	}
+	out.Replicas = in.Replicas
+	out.ReadyReplicas = in.ReadyReplicas
+	out.CurrentReplicas = in.CurrentReplicas
+	out.UpdatedReplicas = in.UpdatedReplicas
+	out.CurrentRevision = in.CurrentRevision
+	out.UpdateRevision = in.UpdateRevision
+	return nil
+}
+
 func Convert_extensions_ScaleStatus_To_v1beta2_ScaleStatus(in *extensions.ScaleStatus, out *appsv1beta2.ScaleStatus, s conversion.Scope) error {
 	out.Replicas = int32(in.Replicas)
 

staging/src/k8s.io/api/apps/v1beta2/types.go

@@ -225,7 +225,7 @@ type StatefulSetStatus struct {
 	// observedGeneration is the most recent generation observed for this StatefulSet. It corresponds to the
 	// StatefulSet's generation, which is updated on mutation by the API Server.
 	// +optional
-	ObservedGeneration *int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"`
+	ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"`
 
 	// replicas is the number of Pods created by the StatefulSet controller.
 	Replicas int32 `json:"replicas" protobuf:"varint,2,opt,name=replicas"`