From b259686b367ffef89310a71875834a97befc5b4b Mon Sep 17 00:00:00 2001
From: Matthew Cary <mattcary@google.com>
Date: Mon, 1 Mar 2021 16:10:16 -0800
Subject: [PATCH] tests for statefulset PersistentVolumeClaimDeletePolicy api
 change

Change-Id: I07c8e31a8c76a6a1022c08fb749af7e353b731de
---
 api/openapi-spec/swagger.json                 |  18 +
 pkg/apis/apps/v1/defaults_test.go             | 176 +++++-
 pkg/apis/apps/v1/zz_generated.conversion.go   |  34 ++
 .../apps/v1beta1/zz_generated.conversion.go   |  34 ++
 .../apps/v1beta2/zz_generated.conversion.go   |  34 ++
 pkg/apis/apps/validation/validation.go        |   7 +-
 pkg/apis/apps/validation/validation_test.go   | 112 +++-
 pkg/apis/apps/zz_generated.deepcopy.go        |  21 +
 pkg/registry/apps/statefulset/strategy.go     |   6 +-
 .../apps/statefulset/strategy_test.go         |  95 ++-
 .../src/k8s.io/api/apps/v1/generated.pb.go    | 526 ++++++++++++-----
 .../src/k8s.io/api/apps/v1/generated.proto    |  26 +
 staging/src/k8s.io/api/apps/v1/types.go       |   2 +-
 .../apps/v1/types_swagger_doc_generated.go    |  31 +-
 .../api/apps/v1/zz_generated.deepcopy.go      |  21 +
 .../k8s.io/api/apps/v1beta1/generated.pb.go   | 503 ++++++++++++----
 .../k8s.io/api/apps/v1beta1/generated.proto   |  23 +
 .../v1beta1/types_swagger_doc_generated.go    |  31 +-
 .../api/apps/v1beta1/zz_generated.deepcopy.go |  21 +
 .../k8s.io/api/apps/v1beta2/generated.pb.go   | 543 +++++++++++++-----
 .../k8s.io/api/apps/v1beta2/generated.proto   |  23 +
 .../v1beta2/types_swagger_doc_generated.go    |  31 +-
 .../api/apps/v1beta2/zz_generated.deepcopy.go |  21 +
 .../testdata/HEAD/apps.v1.StatefulSet.json    |  26 +-
 .../api/testdata/HEAD/apps.v1.StatefulSet.pb  | Bin 8842 -> 8881 bytes
 .../testdata/HEAD/apps.v1.StatefulSet.yaml    |  23 +-
 .../HEAD/apps.v1beta1.StatefulSet.json        |  26 +-
 .../testdata/HEAD/apps.v1beta1.StatefulSet.pb | Bin 8878 -> 8863 bytes
 .../HEAD/apps.v1beta1.StatefulSet.yaml        |  23 +-
 .../HEAD/apps.v1beta2.StatefulSet.json        |  26 +-
 .../testdata/HEAD/apps.v1beta2.StatefulSet.pb | Bin 8847 -> 8886 bytes
 .../HEAD/apps.v1beta2.StatefulSet.yaml        |  23 +-
 ...setpersistentvolumeclaimretentionpolicy.go |  52 ++
 .../apps/v1/statefulsetspec.go                |  27 +-
 ...setpersistentvolumeclaimretentionpolicy.go |  52 ++
 .../apps/v1beta1/statefulsetspec.go           |  27 +-
 ...setpersistentvolumeclaimretentionpolicy.go |  52 ++
 .../apps/v1beta2/statefulsetspec.go           |  27 +-
 .../applyconfigurations/internal/internal.go  |  36 ++
 .../client-go/applyconfigurations/utils.go    |   6 +
 40 files changed, 2215 insertions(+), 550 deletions(-)
 create mode 100644 staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetpersistentvolumeclaimretentionpolicy.go
 create mode 100644 staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetpersistentvolumeclaimretentionpolicy.go
 create mode 100644 staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetpersistentvolumeclaimretentionpolicy.go

diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index b29164acefd..1be5aa676bd 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -1310,6 +1310,20 @@
         }
       ]
     },
+    "io.k8s.api.apps.v1.StatefulSetPersistentVolumeClaimRetentionPolicy": {
+      "description": "StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from the StatefulSet VolumeClaimTemplates.",
+      "properties": {
+        "whenDeleted": {
+          "description": "WhenDeleted specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is deleted. The default policy of `Retain` causes PVCs to not be affected by StatefulSet deletion. The `Delete` policy causes those PVCs to be deleted.",
+          "type": "string"
+        },
+        "whenScaled": {
+          "description": "WhenScaled specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is scaled down. The default policy of `Retain` causes PVCs to not be affected by a scaledown. The `Delete` policy causes the associated PVCs for any excess pods above the replica count to be deleted.",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "io.k8s.api.apps.v1.StatefulSetSpec": {
       "description": "A StatefulSetSpec is the specification of a StatefulSet.",
       "properties": {
@@ -1318,6 +1332,10 @@
           "format": "int32",
           "type": "integer"
         },
+        "persistentVolumeClaimRetentionPolicy": {
+          "$ref": "#/definitions/io.k8s.api.apps.v1.StatefulSetPersistentVolumeClaimRetentionPolicy",
+          "description": "persistentVolumeClaimRetentionPolicy describes the lifecycle of persistent volume claims created from volumeClaimTemplates. By default, all persistent volume claims are created as needed and retained until manually deleted. This policy allows the lifecycle to be altered, for example by deleting persistent volume claims when their stateful set is deleted, or when their pod is scaled down. This requires the StatefulSetAutoDeletePVC feature gate to be enabled, which is alpha.  +optional"
+        },
         "podManagementPolicy": {
           "description": "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
           "type": "string"
diff --git a/pkg/apis/apps/v1/defaults_test.go b/pkg/apis/apps/v1/defaults_test.go
index 65caa56d5a1..9dec309753b 100644
--- a/pkg/apis/apps/v1/defaults_test.go
+++ b/pkg/apis/apps/v1/defaults_test.go
@@ -27,10 +27,13 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/intstr"
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+	featuregatetesting "k8s.io/component-base/featuregate/testing"
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	_ "k8s.io/kubernetes/pkg/apis/apps/install"
 	. "k8s.io/kubernetes/pkg/apis/apps/v1"
 	_ "k8s.io/kubernetes/pkg/apis/core/install"
+	"k8s.io/kubernetes/pkg/features"
 	utilpointer "k8s.io/utils/pointer"
 )
 
@@ -193,10 +196,13 @@ func TestSetDefaultStatefulSet(t *testing.T) {
 	}
 
 	tests := []struct {
-		original *appsv1.StatefulSet
-		expected *appsv1.StatefulSet
+		name                    string
+		original                *appsv1.StatefulSet
+		expected                *appsv1.StatefulSet
+		enablePVCDeletionPolicy bool
 	}{
-		{ // labels and default update strategy
+		{
+			name: "labels and default update strategy",
 			original: &appsv1.StatefulSet{
 				Spec: appsv1.StatefulSetSpec{
 					Template: defaultTemplate,
@@ -221,7 +227,8 @@ func TestSetDefaultStatefulSet(t *testing.T) {
 				},
 			},
 		},
-		{ // Alternate update strategy
+		{
+			name: "Alternate update strategy",
 			original: &appsv1.StatefulSet{
 				Spec: appsv1.StatefulSetSpec{
 					Template: defaultTemplate,
@@ -246,7 +253,8 @@ func TestSetDefaultStatefulSet(t *testing.T) {
 				},
 			},
 		},
-		{ // Parallel pod management policy.
+		{
+			name: "Parallel pod management policy",
 			original: &appsv1.StatefulSet{
 				Spec: appsv1.StatefulSetSpec{
 					Template:            defaultTemplate,
@@ -272,7 +280,8 @@ func TestSetDefaultStatefulSet(t *testing.T) {
 				},
 			},
 		},
-		{ // UpdateStrategy.RollingUpdate.Partition is not lost when UpdateStrategy.Type is not set
+		{
+			name: "UpdateStrategy.RollingUpdate.Partition is not lost when UpdateStrategy.Type is not set",
 			original: &appsv1.StatefulSet{
 				Spec: appsv1.StatefulSetSpec{
 					Template: defaultTemplate,
@@ -302,20 +311,151 @@ func TestSetDefaultStatefulSet(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "PVC delete policy enabled, no policy specified",
+			original: &appsv1.StatefulSet{
+				Spec: appsv1.StatefulSetSpec{
+					Template: defaultTemplate,
+				},
+			},
+			expected: &appsv1.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{
+					Labels: defaultLabels,
+				},
+				Spec: appsv1.StatefulSetSpec{
+					Replicas:            &defaultReplicas,
+					Template:            defaultTemplate,
+					PodManagementPolicy: appsv1.OrderedReadyPodManagement,
+					UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
+						Type: appsv1.RollingUpdateStatefulSetStrategyType,
+						RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
+							Partition: &defaultPartition,
+						},
+					},
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenDeleted: appsv1.RetainPersistentVolumeClaimRetentionPolicyType,
+						WhenScaled:  appsv1.RetainPersistentVolumeClaimRetentionPolicyType,
+					},
+					RevisionHistoryLimit: utilpointer.Int32Ptr(10),
+				},
+			},
+			enablePVCDeletionPolicy: true,
+		},
+		{
+			name: "PVC delete policy enabled, with scaledown policy specified",
+			original: &appsv1.StatefulSet{
+				Spec: appsv1.StatefulSetSpec{
+					Template: defaultTemplate,
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenScaled: appsv1.DeletePersistentVolumeClaimRetentionPolicyType,
+					},
+				},
+			},
+			expected: &appsv1.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{
+					Labels: defaultLabels,
+				},
+				Spec: appsv1.StatefulSetSpec{
+					Replicas:            &defaultReplicas,
+					Template:            defaultTemplate,
+					PodManagementPolicy: appsv1.OrderedReadyPodManagement,
+					UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
+						Type: appsv1.RollingUpdateStatefulSetStrategyType,
+						RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
+							Partition: &defaultPartition,
+						},
+					},
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenDeleted: appsv1.RetainPersistentVolumeClaimRetentionPolicyType,
+						WhenScaled:  appsv1.DeletePersistentVolumeClaimRetentionPolicyType,
+					},
+					RevisionHistoryLimit: utilpointer.Int32Ptr(10),
+				},
+			},
+			enablePVCDeletionPolicy: true,
+		},
+		{
+			name: "PVC delete policy disabled, with set deletion policy specified",
+			original: &appsv1.StatefulSet{
+				Spec: appsv1.StatefulSetSpec{
+					Template: defaultTemplate,
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenDeleted: appsv1.DeletePersistentVolumeClaimRetentionPolicyType,
+					},
+				},
+			},
+			expected: &appsv1.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{
+					Labels: defaultLabels,
+				},
+				Spec: appsv1.StatefulSetSpec{
+					Replicas:            &defaultReplicas,
+					Template:            defaultTemplate,
+					PodManagementPolicy: appsv1.OrderedReadyPodManagement,
+					UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
+						Type: appsv1.RollingUpdateStatefulSetStrategyType,
+						RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
+							Partition: &defaultPartition,
+						},
+					},
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenDeleted: appsv1.DeletePersistentVolumeClaimRetentionPolicyType,
+						WhenScaled:  appsv1.RetainPersistentVolumeClaimRetentionPolicyType,
+					},
+					RevisionHistoryLimit: utilpointer.Int32Ptr(10),
+				},
+			},
+			enablePVCDeletionPolicy: true,
+		},
+		{
+			name: "PVC delete policy disabled, with policy specified",
+			original: &appsv1.StatefulSet{
+				Spec: appsv1.StatefulSetSpec{
+					Template: defaultTemplate,
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenScaled: appsv1.DeletePersistentVolumeClaimRetentionPolicyType,
+					},
+				},
+			},
+			expected: &appsv1.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{
+					Labels: defaultLabels,
+				},
+				Spec: appsv1.StatefulSetSpec{
+					Replicas:            &defaultReplicas,
+					Template:            defaultTemplate,
+					PodManagementPolicy: appsv1.OrderedReadyPodManagement,
+					UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
+						Type: appsv1.RollingUpdateStatefulSetStrategyType,
+						RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
+							Partition: &defaultPartition,
+						},
+					},
+					PersistentVolumeClaimRetentionPolicy: &appsv1.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenScaled: appsv1.DeletePersistentVolumeClaimRetentionPolicyType,
+					},
+					RevisionHistoryLimit: utilpointer.Int32Ptr(10),
+				},
+			},
+			enablePVCDeletionPolicy: false,
+		},
 	}
 
-	for i, test := range tests {
-		original := test.original
-		expected := test.expected
-		obj2 := roundTrip(t, runtime.Object(original))
-		got, ok := obj2.(*appsv1.StatefulSet)
-		if !ok {
-			t.Errorf("(%d) unexpected object: %v", i, got)
-			t.FailNow()
-		}
-		if !apiequality.Semantic.DeepEqual(got.Spec, expected.Spec) {
-			t.Errorf("(%d) got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", i, got.Spec, expected.Spec)
-		}
+	for _, test := range tests {
+		test := test
+		t.Run(test.name, func(t *testing.T) {
+			defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, test.enablePVCDeletionPolicy)()
+
+			obj2 := roundTrip(t, runtime.Object(test.original))
+			got, ok := obj2.(*appsv1.StatefulSet)
+			if !ok {
+				t.Errorf("unexpected object: %v", got)
+				t.FailNow()
+			}
+			if !apiequality.Semantic.DeepEqual(got.Spec, test.expected.Spec) {
+				t.Errorf("got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", got.Spec, test.expected.Spec)
+			}
+		})
 	}
 }
 
diff --git a/pkg/apis/apps/v1/zz_generated.conversion.go b/pkg/apis/apps/v1/zz_generated.conversion.go
index 48419ed126e..bc74584b444 100644
--- a/pkg/apis/apps/v1/zz_generated.conversion.go
+++ b/pkg/apis/apps/v1/zz_generated.conversion.go
@@ -260,6 +260,16 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
+	if err := s.AddGeneratedConversionFunc((*v1.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), (*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(a.(*v1.StatefulSetPersistentVolumeClaimRetentionPolicy), b.(*apps.StatefulSetPersistentVolumeClaimRetentionPolicy), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), (*v1.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1_StatefulSetPersistentVolumeClaimRetentionPolicy(a.(*apps.StatefulSetPersistentVolumeClaimRetentionPolicy), b.(*v1.StatefulSetPersistentVolumeClaimRetentionPolicy), scope)
+	}); err != nil {
+		return err
+	}
 	if err := s.AddGeneratedConversionFunc((*v1.StatefulSetStatus)(nil), (*apps.StatefulSetStatus)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1_StatefulSetStatus_To_apps_StatefulSetStatus(a.(*v1.StatefulSetStatus), b.(*apps.StatefulSetStatus), scope)
 	}); err != nil {
@@ -1153,6 +1163,28 @@ func Convert_apps_StatefulSetList_To_v1_StatefulSetList(in *apps.StatefulSetList
 	return autoConvert_apps_StatefulSetList_To_v1_StatefulSetList(in, out, s)
 }
 
+func autoConvert_v1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in *v1.StatefulSetPersistentVolumeClaimRetentionPolicy, out *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	out.WhenDeleted = apps.PersistentVolumeClaimRetentionPolicyType(in.WhenDeleted)
+	out.WhenScaled = apps.PersistentVolumeClaimRetentionPolicyType(in.WhenScaled)
+	return nil
+}
+
+// Convert_v1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy is an autogenerated conversion function.
+func Convert_v1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in *v1.StatefulSetPersistentVolumeClaimRetentionPolicy, out *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	return autoConvert_v1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in, out, s)
+}
+
+func autoConvert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1_StatefulSetPersistentVolumeClaimRetentionPolicy(in *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, out *v1.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	out.WhenDeleted = v1.PersistentVolumeClaimRetentionPolicyType(in.WhenDeleted)
+	out.WhenScaled = v1.PersistentVolumeClaimRetentionPolicyType(in.WhenScaled)
+	return nil
+}
+
+// Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1_StatefulSetPersistentVolumeClaimRetentionPolicy is an autogenerated conversion function.
+func Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1_StatefulSetPersistentVolumeClaimRetentionPolicy(in *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, out *v1.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	return autoConvert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1_StatefulSetPersistentVolumeClaimRetentionPolicy(in, out, s)
+}
+
 func autoConvert_v1_StatefulSetSpec_To_apps_StatefulSetSpec(in *v1.StatefulSetSpec, out *apps.StatefulSetSpec, s conversion.Scope) error {
 	if err := metav1.Convert_Pointer_int32_To_int32(&in.Replicas, &out.Replicas, s); err != nil {
 		return err
@@ -1169,6 +1201,7 @@ func autoConvert_v1_StatefulSetSpec_To_apps_StatefulSetSpec(in *v1.StatefulSetSp
 	}
 	out.RevisionHistoryLimit = (*int32)(unsafe.Pointer(in.RevisionHistoryLimit))
 	out.MinReadySeconds = in.MinReadySeconds
+	out.PersistentVolumeClaimRetentionPolicy = (*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(unsafe.Pointer(in.PersistentVolumeClaimRetentionPolicy))
 	return nil
 }
 
@@ -1188,6 +1221,7 @@ func autoConvert_apps_StatefulSetSpec_To_v1_StatefulSetSpec(in *apps.StatefulSet
 	}
 	out.RevisionHistoryLimit = (*int32)(unsafe.Pointer(in.RevisionHistoryLimit))
 	out.MinReadySeconds = in.MinReadySeconds
+	out.PersistentVolumeClaimRetentionPolicy = (*v1.StatefulSetPersistentVolumeClaimRetentionPolicy)(unsafe.Pointer(in.PersistentVolumeClaimRetentionPolicy))
 	return nil
 }
 
diff --git a/pkg/apis/apps/v1beta1/zz_generated.conversion.go b/pkg/apis/apps/v1beta1/zz_generated.conversion.go
index 82b3f9986c6..018b5bb4428 100644
--- a/pkg/apis/apps/v1beta1/zz_generated.conversion.go
+++ b/pkg/apis/apps/v1beta1/zz_generated.conversion.go
@@ -211,6 +211,16 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
+	if err := s.AddGeneratedConversionFunc((*v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), (*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(a.(*v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy), b.(*apps.StatefulSetPersistentVolumeClaimRetentionPolicy), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), (*v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy(a.(*apps.StatefulSetPersistentVolumeClaimRetentionPolicy), b.(*v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy), scope)
+	}); err != nil {
+		return err
+	}
 	if err := s.AddGeneratedConversionFunc((*v1beta1.StatefulSetStatus)(nil), (*apps.StatefulSetStatus)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1beta1_StatefulSetStatus_To_apps_StatefulSetStatus(a.(*v1beta1.StatefulSetStatus), b.(*apps.StatefulSetStatus), scope)
 	}); err != nil {
@@ -817,6 +827,28 @@ func Convert_apps_StatefulSetList_To_v1beta1_StatefulSetList(in *apps.StatefulSe
 	return autoConvert_apps_StatefulSetList_To_v1beta1_StatefulSetList(in, out, s)
 }
 
+func autoConvert_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in *v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy, out *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	out.WhenDeleted = apps.PersistentVolumeClaimRetentionPolicyType(in.WhenDeleted)
+	out.WhenScaled = apps.PersistentVolumeClaimRetentionPolicyType(in.WhenScaled)
+	return nil
+}
+
+// Convert_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy is an autogenerated conversion function.
+func Convert_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in *v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy, out *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	return autoConvert_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in, out, s)
+}
+
+func autoConvert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy(in *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, out *v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	out.WhenDeleted = v1beta1.PersistentVolumeClaimRetentionPolicyType(in.WhenDeleted)
+	out.WhenScaled = v1beta1.PersistentVolumeClaimRetentionPolicyType(in.WhenScaled)
+	return nil
+}
+
+// Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy is an autogenerated conversion function.
+func Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy(in *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, out *v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	return autoConvert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta1_StatefulSetPersistentVolumeClaimRetentionPolicy(in, out, s)
+}
+
 func autoConvert_v1beta1_StatefulSetSpec_To_apps_StatefulSetSpec(in *v1beta1.StatefulSetSpec, out *apps.StatefulSetSpec, s conversion.Scope) error {
 	if err := metav1.Convert_Pointer_int32_To_int32(&in.Replicas, &out.Replicas, s); err != nil {
 		return err
@@ -833,6 +865,7 @@ func autoConvert_v1beta1_StatefulSetSpec_To_apps_StatefulSetSpec(in *v1beta1.Sta
 	}
 	out.RevisionHistoryLimit = (*int32)(unsafe.Pointer(in.RevisionHistoryLimit))
 	out.MinReadySeconds = in.MinReadySeconds
+	out.PersistentVolumeClaimRetentionPolicy = (*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(unsafe.Pointer(in.PersistentVolumeClaimRetentionPolicy))
 	return nil
 }
 
@@ -852,6 +885,7 @@ func autoConvert_apps_StatefulSetSpec_To_v1beta1_StatefulSetSpec(in *apps.Statef
 	}
 	out.RevisionHistoryLimit = (*int32)(unsafe.Pointer(in.RevisionHistoryLimit))
 	out.MinReadySeconds = in.MinReadySeconds
+	out.PersistentVolumeClaimRetentionPolicy = (*v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy)(unsafe.Pointer(in.PersistentVolumeClaimRetentionPolicy))
 	return nil
 }
 
diff --git a/pkg/apis/apps/v1beta2/zz_generated.conversion.go b/pkg/apis/apps/v1beta2/zz_generated.conversion.go
index 075e9e36812..6525d0d77c3 100644
--- a/pkg/apis/apps/v1beta2/zz_generated.conversion.go
+++ b/pkg/apis/apps/v1beta2/zz_generated.conversion.go
@@ -281,6 +281,16 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
+	if err := s.AddGeneratedConversionFunc((*v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), (*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(a.(*v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy), b.(*apps.StatefulSetPersistentVolumeClaimRetentionPolicy), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), (*v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy(a.(*apps.StatefulSetPersistentVolumeClaimRetentionPolicy), b.(*v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy), scope)
+	}); err != nil {
+		return err
+	}
 	if err := s.AddGeneratedConversionFunc((*v1beta2.StatefulSetStatus)(nil), (*apps.StatefulSetStatus)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1beta2_StatefulSetStatus_To_apps_StatefulSetStatus(a.(*v1beta2.StatefulSetStatus), b.(*apps.StatefulSetStatus), scope)
 	}); err != nil {
@@ -1249,6 +1259,28 @@ func Convert_apps_StatefulSetList_To_v1beta2_StatefulSetList(in *apps.StatefulSe
 	return autoConvert_apps_StatefulSetList_To_v1beta2_StatefulSetList(in, out, s)
 }
 
+func autoConvert_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in *v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy, out *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	out.WhenDeleted = apps.PersistentVolumeClaimRetentionPolicyType(in.WhenDeleted)
+	out.WhenScaled = apps.PersistentVolumeClaimRetentionPolicyType(in.WhenScaled)
+	return nil
+}
+
+// Convert_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy is an autogenerated conversion function.
+func Convert_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in *v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy, out *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	return autoConvert_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy_To_apps_StatefulSetPersistentVolumeClaimRetentionPolicy(in, out, s)
+}
+
+func autoConvert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy(in *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, out *v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	out.WhenDeleted = v1beta2.PersistentVolumeClaimRetentionPolicyType(in.WhenDeleted)
+	out.WhenScaled = v1beta2.PersistentVolumeClaimRetentionPolicyType(in.WhenScaled)
+	return nil
+}
+
+// Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy is an autogenerated conversion function.
+func Convert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy(in *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, out *v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy, s conversion.Scope) error {
+	return autoConvert_apps_StatefulSetPersistentVolumeClaimRetentionPolicy_To_v1beta2_StatefulSetPersistentVolumeClaimRetentionPolicy(in, out, s)
+}
+
 func autoConvert_v1beta2_StatefulSetSpec_To_apps_StatefulSetSpec(in *v1beta2.StatefulSetSpec, out *apps.StatefulSetSpec, s conversion.Scope) error {
 	if err := metav1.Convert_Pointer_int32_To_int32(&in.Replicas, &out.Replicas, s); err != nil {
 		return err
@@ -1265,6 +1297,7 @@ func autoConvert_v1beta2_StatefulSetSpec_To_apps_StatefulSetSpec(in *v1beta2.Sta
 	}
 	out.RevisionHistoryLimit = (*int32)(unsafe.Pointer(in.RevisionHistoryLimit))
 	out.MinReadySeconds = in.MinReadySeconds
+	out.PersistentVolumeClaimRetentionPolicy = (*apps.StatefulSetPersistentVolumeClaimRetentionPolicy)(unsafe.Pointer(in.PersistentVolumeClaimRetentionPolicy))
 	return nil
 }
 
@@ -1284,6 +1317,7 @@ func autoConvert_apps_StatefulSetSpec_To_v1beta2_StatefulSetSpec(in *apps.Statef
 	}
 	out.RevisionHistoryLimit = (*int32)(unsafe.Pointer(in.RevisionHistoryLimit))
 	out.MinReadySeconds = in.MinReadySeconds
+	out.PersistentVolumeClaimRetentionPolicy = (*v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy)(unsafe.Pointer(in.PersistentVolumeClaimRetentionPolicy))
 	return nil
 }
 
diff --git a/pkg/apis/apps/validation/validation.go b/pkg/apis/apps/validation/validation.go
index 0e1f04b3e10..73c0d8d613b 100644
--- a/pkg/apis/apps/validation/validation.go
+++ b/pkg/apis/apps/validation/validation.go
@@ -174,9 +174,9 @@ func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) fi
 	// statefulset updates aren't super common and general updates are likely to be touching spec, so we'll do this
 	// deep copy right away.  This avoids mutating our inputs
 	newStatefulSetClone := statefulSet.DeepCopy()
-	newStatefulSetClone.Spec.Replicas = oldStatefulSet.Spec.Replicas                                                         // +k8s:verify-mutation:reason=clone
-	newStatefulSetClone.Spec.Template = oldStatefulSet.Spec.Template                                                         // +k8s:verify-mutation:reason=clone
-	newStatefulSetClone.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy                                             // +k8s:verify-mutation:reason=clone
+	newStatefulSetClone.Spec.Replicas = oldStatefulSet.Spec.Replicas             // +k8s:verify-mutation:reason=clone
+	newStatefulSetClone.Spec.Template = oldStatefulSet.Spec.Template             // +k8s:verify-mutation:reason=clone
+	newStatefulSetClone.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy // +k8s:verify-mutation:reason=clone
 	if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
 		newStatefulSetClone.Spec.MinReadySeconds = oldStatefulSet.Spec.MinReadySeconds // +k8s:verify-mutation:reason=clone
 	}
@@ -186,6 +186,7 @@ func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) fi
 			allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', 'updateStrategy' and 'persistentVolumeClaimRetentionPolicy' are forbidden"))
 		} else {
 			allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', 'updateStrategy', 'minReadySeconds' and 'persistentVolumeClaimRetentionPolicy' are forbidden"))
+		}
 	}
 
 	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(statefulSet.Spec.Replicas), field.NewPath("spec", "replicas"))...)
diff --git a/pkg/apis/apps/validation/validation_test.go b/pkg/apis/apps/validation/validation_test.go
index 184a1d3c3c6..926e429af57 100644
--- a/pkg/apis/apps/validation/validation_test.go
+++ b/pkg/apis/apps/validation/validation_test.go
@@ -76,8 +76,10 @@ func TestValidateStatefulSet(t *testing.T) {
 		},
 	}
 
-	successCases := []apps.StatefulSet{
-		{
+	const enableStatefulSetAutoDeletePVC = "[enable StatefulSetAutoDeletePVC]"
+
+	successCases := map[string]apps.StatefulSet{
+		"alpha name": {
 			ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
 			Spec: apps.StatefulSetSpec{
 				PodManagementPolicy: apps.OrderedReadyPodManagement,
@@ -86,7 +88,7 @@ func TestValidateStatefulSet(t *testing.T) {
 				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
 			},
 		},
-		{
+		"alphanumeric name": {
 			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
 			Spec: apps.StatefulSetSpec{
 				PodManagementPolicy: apps.OrderedReadyPodManagement,
@@ -95,7 +97,7 @@ func TestValidateStatefulSet(t *testing.T) {
 				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
 			},
 		},
-		{
+		"parallel pod management": {
 			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
 			Spec: apps.StatefulSetSpec{
 				PodManagementPolicy: apps.ParallelPodManagement,
@@ -104,7 +106,7 @@ func TestValidateStatefulSet(t *testing.T) {
 				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
 			},
 		},
-		{
+		"ordered ready pod management": {
 			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
 			Spec: apps.StatefulSetSpec{
 				PodManagementPolicy: apps.OrderedReadyPodManagement,
@@ -113,7 +115,7 @@ func TestValidateStatefulSet(t *testing.T) {
 				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.OnDeleteStatefulSetStrategyType},
 			},
 		},
-		{
+		"update strategy": {
 			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
 			Spec: apps.StatefulSetSpec{
 				PodManagementPolicy: apps.OrderedReadyPodManagement,
@@ -127,11 +129,29 @@ func TestValidateStatefulSet(t *testing.T) {
 					}()},
 			},
 		},
+		"PVC policy " + enableStatefulSetAutoDeletePVC: {
+			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
+			Spec: apps.StatefulSetSpec{
+				PodManagementPolicy: apps.OrderedReadyPodManagement,
+				Selector:            &metav1.LabelSelector{MatchLabels: validLabels},
+				Template:            validPodTemplate.Template,
+				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+				PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+					WhenDeleted: apps.DeletePersistentVolumeClaimRetentionPolicyType,
+					WhenScaled:  apps.RetainPersistentVolumeClaimRetentionPolicyType,
+				},
+			},
+		},
 	}
 
-	for i, successCase := range successCases {
-		t.Run("success case "+strconv.Itoa(i), func(t *testing.T) {
-			if errs := ValidateStatefulSet(&successCase, corevalidation.PodValidationOptions{}); len(errs) != 0 {
+	for name, successCase := range successCases {
+		name := name
+		set := successCase
+		t.Run("success case "+name, func(t *testing.T) {
+			if strings.Contains(name, enableStatefulSetAutoDeletePVC) {
+				defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, true)()
+			}
+			if errs := ValidateStatefulSet(&set, corevalidation.PodValidationOptions{}); len(errs) != 0 {
 				t.Errorf("expected success: %v", errs)
 			}
 		})
@@ -352,10 +372,35 @@ func TestValidateStatefulSet(t *testing.T) {
 				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
 			},
 		},
+		"empty PersistentVolumeClaimRetentionPolicy " + enableStatefulSetAutoDeletePVC: {
+			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
+			Spec: apps.StatefulSetSpec{
+				PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{},
+				PodManagementPolicy:                  apps.OrderedReadyPodManagement,
+				Selector:                             &metav1.LabelSelector{MatchLabels: validLabels},
+				Template:                             validPodTemplate.Template,
+				UpdateStrategy:                       apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+			},
+		},
+		"invalid PersistentVolumeClaimRetentionPolicy " + enableStatefulSetAutoDeletePVC: {
+			ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
+			Spec: apps.StatefulSetSpec{
+				PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+					WhenScaled: apps.PersistentVolumeClaimRetentionPolicyType("invalid-delete-policy"),
+				},
+				PodManagementPolicy: apps.OrderedReadyPodManagement,
+				Selector:            &metav1.LabelSelector{MatchLabels: validLabels},
+				Template:            validPodTemplate.Template,
+				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+			},
+		},
 	}
 
 	for k, v := range errorCases {
 		t.Run(k, func(t *testing.T) {
+			if strings.Contains(k, enableStatefulSetAutoDeletePVC) {
+				defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, true)()
+			}
 			errs := ValidateStatefulSet(&v, corevalidation.PodValidationOptions{})
 			if len(errs) == 0 {
 				t.Errorf("expected failure for %s", k)
@@ -378,6 +423,9 @@ func TestValidateStatefulSet(t *testing.T) {
 					field != "spec.updateStrategy.rollingUpdate" &&
 					field != "spec.updateStrategy.rollingUpdate.partition" &&
 					field != "spec.podManagementPolicy" &&
+					field != "spec.persistentVolumeClaimRetentionPolicy" &&
+					field != "spec.persistentVolumeClaimRetentionPolicy.whenDeleted" &&
+					field != "spec.persistentVolumeClaimRetentionPolicy.whenScaled" &&
 					field != "spec.template.spec.activeDeadlineSeconds" {
 					t.Errorf("%s: missing prefix for: %v", k, errs[i])
 				}
@@ -748,6 +796,52 @@ func TestValidateStatefulSetUpdate(t *testing.T) {
 				},
 			},
 		},
+		{
+			old: apps.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
+				Spec: apps.StatefulSetSpec{
+					PodManagementPolicy: apps.OrderedReadyPodManagement,
+					Selector:            &metav1.LabelSelector{MatchLabels: validLabels},
+					Template:            addContainersValidTemplate.Template,
+					UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+				},
+			},
+			update: apps.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
+				Spec: apps.StatefulSetSpec{
+					PodManagementPolicy: apps.OrderedReadyPodManagement,
+					Selector:            &metav1.LabelSelector{MatchLabels: validLabels},
+					Template:            validPodTemplate.Template,
+					UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+					PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenScaled: apps.RetainPersistentVolumeClaimRetentionPolicyType,
+					},
+				},
+			},
+		},
+		{
+			old: apps.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
+				Spec: apps.StatefulSetSpec{
+					PodManagementPolicy: apps.OrderedReadyPodManagement,
+					Selector:            &metav1.LabelSelector{MatchLabels: validLabels},
+					Template:            addContainersValidTemplate.Template,
+					UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+					PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+						WhenScaled: apps.RetainPersistentVolumeClaimRetentionPolicyType,
+					},
+				},
+			},
+			update: apps.StatefulSet{
+				ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
+				Spec: apps.StatefulSetSpec{
+					PodManagementPolicy: apps.OrderedReadyPodManagement,
+					Selector:            &metav1.LabelSelector{MatchLabels: validLabels},
+					Template:            validPodTemplate.Template,
+					UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+				},
+			},
+		},
 	}
 
 	for i, successCase := range successCases {
diff --git a/pkg/apis/apps/zz_generated.deepcopy.go b/pkg/apis/apps/zz_generated.deepcopy.go
index ff11b8fb264..795d33277a6 100644
--- a/pkg/apis/apps/zz_generated.deepcopy.go
+++ b/pkg/apis/apps/zz_generated.deepcopy.go
@@ -711,6 +711,22 @@ func (in *StatefulSetList) DeepCopyObject() runtime.Object {
 	return nil
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopyInto(out *StatefulSetPersistentVolumeClaimRetentionPolicy) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new StatefulSetPersistentVolumeClaimRetentionPolicy.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopy() *StatefulSetPersistentVolumeClaimRetentionPolicy {
+	if in == nil {
+		return nil
+	}
+	out := new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 	*out = *in
@@ -733,6 +749,11 @@ func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 		*out = new(int32)
 		**out = **in
 	}
+	if in.PersistentVolumeClaimRetentionPolicy != nil {
+		in, out := &in.PersistentVolumeClaimRetentionPolicy, &out.PersistentVolumeClaimRetentionPolicy
+		*out = new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+		**out = **in
+	}
 	return
 }
 
diff --git a/pkg/registry/apps/statefulset/strategy.go b/pkg/registry/apps/statefulset/strategy.go
index e9ef22a913d..e00f732a7c0 100644
--- a/pkg/registry/apps/statefulset/strategy.go
+++ b/pkg/registry/apps/statefulset/strategy.go
@@ -18,8 +18,6 @@ package statefulset
 
 import (
 	"context"
-	utilfeature "k8s.io/apiserver/pkg/util/feature"
-	"k8s.io/kubernetes/pkg/features"
 
 	appsv1beta1 "k8s.io/api/apps/v1beta1"
 	appsv1beta2 "k8s.io/api/apps/v1beta2"
@@ -125,8 +123,8 @@ func dropStatefulSetDisabledFields(newSS *apps.StatefulSet, oldSS *apps.Stateful
 	}
 
 	if !utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetAutoDeletePVC) {
-		if oldStatefulSet == nil || oldStatefulSet.Spec.PersistentVolumeClaimRetentionPolicy == nil {
-			newStatefulSet.Spec.PersistentVolumeClaimRetentionPolicy = nil
+		if oldSS == nil || oldSS.Spec.PersistentVolumeClaimRetentionPolicy == nil {
+			newSS.Spec.PersistentVolumeClaimRetentionPolicy = nil
 		}
 	}
 }
diff --git a/pkg/registry/apps/statefulset/strategy_test.go b/pkg/registry/apps/statefulset/strategy_test.go
index 7152b22d480..c2d1cc39865 100644
--- a/pkg/registry/apps/statefulset/strategy_test.go
+++ b/pkg/registry/apps/statefulset/strategy_test.go
@@ -180,12 +180,105 @@ func TestStatefulSetStrategy(t *testing.T) {
 				t.Errorf("updating only spec.Replicas is allowed on a statefulset: %v", errs)
 			}
 			expectedUpdateErrorString := "spec: Forbidden: updates to statefulset spec for fields other than 'replicas'," +
-				" 'template' and 'updateStrategy' are forbidden"
+				" 'template', 'updateStrategy', 'minReadySeconds' and 'persistentVolumeClaimRetentionPolicy' are forbidden"
 			if errs[0].Error() != expectedUpdateErrorString {
 				t.Errorf("expected error string %v", errs[0].Error())
 			}
 		})
 
+	validPs = &apps.StatefulSet{
+		ObjectMeta: metav1.ObjectMeta{Name: ps.Name, Namespace: ps.Namespace, ResourceVersion: "1", Generation: 1},
+		Spec: apps.StatefulSetSpec{
+			PodManagementPolicy: apps.OrderedReadyPodManagement,
+			Selector:            ps.Spec.Selector,
+			Template:            validPodTemplate.Template,
+			UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+			PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+				WhenDeleted: apps.RetainPersistentVolumeClaimRetentionPolicyType,
+				WhenScaled:  apps.DeletePersistentVolumeClaimRetentionPolicyType,
+			},
+		},
+		Status: apps.StatefulSetStatus{Replicas: 4},
+	}
+
+	t.Run("when StatefulSetAutoDeletePVC feature gate is enabled, PersistentVolumeClaimRetentionPolicy should be updated", func(t *testing.T) {
+		defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, true)()
+		// Test creation
+		ps := &apps.StatefulSet{
+			ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
+			Spec: apps.StatefulSetSpec{
+				PodManagementPolicy: apps.OrderedReadyPodManagement,
+				Selector:            ps.Spec.Selector,
+				Template:            validPodTemplate.Template,
+				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+				PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+					WhenDeleted: apps.PersistentVolumeClaimRetentionPolicyType("invalid policy"),
+				},
+			},
+		}
+		Strategy.PrepareForCreate(ctx, ps)
+		errs := Strategy.Validate(ctx, ps)
+		if len(errs) == 0 {
+			t.Errorf("expected failure when PersistentVolumeClaimRetentionPolicy is invalid")
+		}
+		expectedCreateErrorString := "spec.persistentVolumeClaimRetentionPolicy.whenDeleted: Unsupported value: \"invalid policy\": supported values: \"Retain\", \"Delete\""
+		if errs[0].Error() != expectedCreateErrorString {
+			t.Errorf("mismatched error string %v (expected %v)", errs[0].Error(), expectedCreateErrorString)
+		}
+		Strategy.PrepareForUpdate(ctx, validPs, ps)
+		errs = Strategy.ValidateUpdate(ctx, validPs, ps)
+		if len(errs) != 0 {
+			t.Errorf("updates to PersistentVolumeClaimRetentionPolicy should be allowed: %v", errs)
+		}
+		invalidPs := ps
+		invalidPs.Spec.PersistentVolumeClaimRetentionPolicy.WhenDeleted = apps.PersistentVolumeClaimRetentionPolicyType("invalid type")
+		Strategy.PrepareForUpdate(ctx, validPs, invalidPs)
+		errs = Strategy.ValidateUpdate(ctx, validPs, ps)
+		if len(errs) != 0 {
+			t.Errorf("invalid updates to PersistentVolumeClaimRetentionPolicyType should be allowed: %v", errs)
+		}
+		if validPs.Spec.PersistentVolumeClaimRetentionPolicy.WhenDeleted != apps.RetainPersistentVolumeClaimRetentionPolicyType || validPs.Spec.PersistentVolumeClaimRetentionPolicy.WhenScaled != apps.DeletePersistentVolumeClaimRetentionPolicyType {
+			t.Errorf("expected PersistentVolumeClaimRetentionPolicy to be updated: %v", errs)
+		}
+	})
+	t.Run("when StatefulSetAutoDeletePVC feature gate is disabled, PersistentVolumeClaimRetentionPolicy should not be updated", func(t *testing.T) {
+		defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, true)()
+		// Test creation
+		ps := &apps.StatefulSet{
+			ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
+			Spec: apps.StatefulSetSpec{
+				PodManagementPolicy: apps.OrderedReadyPodManagement,
+				Selector:            ps.Spec.Selector,
+				Template:            validPodTemplate.Template,
+				UpdateStrategy:      apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
+				PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
+					WhenDeleted: apps.RetainPersistentVolumeClaimRetentionPolicyType,
+					WhenScaled:  apps.DeletePersistentVolumeClaimRetentionPolicyType,
+				},
+			},
+		}
+		Strategy.PrepareForCreate(ctx, ps)
+		errs := Strategy.Validate(ctx, ps)
+		if len(errs) != 0 {
+			t.Errorf("unexpected failure with PersistentVolumeClaimRetentionPolicy: %v", errs)
+		}
+		if ps.Spec.PersistentVolumeClaimRetentionPolicy.WhenDeleted != apps.RetainPersistentVolumeClaimRetentionPolicyType || ps.Spec.PersistentVolumeClaimRetentionPolicy.WhenScaled != apps.DeletePersistentVolumeClaimRetentionPolicyType {
+			t.Errorf("expected invalid PersistentVolumeClaimRetentionPolicy to be defaulted to Retain, but got %v", ps.Spec.PersistentVolumeClaimRetentionPolicy)
+		}
+		Strategy.PrepareForUpdate(ctx, validPs, ps)
+		errs = Strategy.ValidateUpdate(ctx, validPs, ps)
+		if len(errs) != 0 {
+			t.Errorf("updates to PersistentVolumeClaimRetentionPolicy should be allowed: %v", errs)
+		}
+		invalidPs := ps
+		invalidPs.Spec.PersistentVolumeClaimRetentionPolicy.WhenDeleted = apps.PersistentVolumeClaimRetentionPolicyType("invalid type")
+		Strategy.PrepareForUpdate(ctx, validPs, invalidPs)
+		errs = Strategy.ValidateUpdate(ctx, validPs, ps)
+		if len(errs) != 0 {
+			t.Errorf("should ignore updates to PersistentVolumeClaimRetentionPolicyType")
+		}
+	})
+
 	validPs.Spec.Selector = &metav1.LabelSelector{MatchLabels: map[string]string{"a": "bar"}}
 	Strategy.PrepareForUpdate(ctx, validPs, ps)
 	errs = Strategy.ValidateUpdate(ctx, validPs, ps)
diff --git a/staging/src/k8s.io/api/apps/v1/generated.pb.go b/staging/src/k8s.io/api/apps/v1/generated.pb.go
index 0a15aff4d8c..81d51bd58f5 100644
--- a/staging/src/k8s.io/api/apps/v1/generated.pb.go
+++ b/staging/src/k8s.io/api/apps/v1/generated.pb.go
@@ -748,10 +748,40 @@ func (m *StatefulSetList) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_StatefulSetList proto.InternalMessageInfo
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Reset() {
+	*m = StatefulSetPersistentVolumeClaimRetentionPolicy{}
+}
+func (*StatefulSetPersistentVolumeClaimRetentionPolicy) ProtoMessage() {}
+func (*StatefulSetPersistentVolumeClaimRetentionPolicy) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e1014cab6f31e43b, []int{25}
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	b = b[:cap(b)]
+	n, err := m.MarshalToSizedBuffer(b)
+	if err != nil {
+		return nil, err
+	}
+	return b[:n], nil
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy.Merge(m, src)
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Size() int {
+	return m.Size()
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_DiscardUnknown() {
+	xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy proto.InternalMessageInfo
+
 func (m *StatefulSetSpec) Reset()      { *m = StatefulSetSpec{} }
 func (*StatefulSetSpec) ProtoMessage() {}
 func (*StatefulSetSpec) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e1014cab6f31e43b, []int{25}
+	return fileDescriptor_e1014cab6f31e43b, []int{26}
 }
 func (m *StatefulSetSpec) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -779,7 +809,7 @@ var xxx_messageInfo_StatefulSetSpec proto.InternalMessageInfo
 func (m *StatefulSetStatus) Reset()      { *m = StatefulSetStatus{} }
 func (*StatefulSetStatus) ProtoMessage() {}
 func (*StatefulSetStatus) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e1014cab6f31e43b, []int{26}
+	return fileDescriptor_e1014cab6f31e43b, []int{27}
 }
 func (m *StatefulSetStatus) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -807,7 +837,7 @@ var xxx_messageInfo_StatefulSetStatus proto.InternalMessageInfo
 func (m *StatefulSetUpdateStrategy) Reset()      { *m = StatefulSetUpdateStrategy{} }
 func (*StatefulSetUpdateStrategy) ProtoMessage() {}
 func (*StatefulSetUpdateStrategy) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e1014cab6f31e43b, []int{27}
+	return fileDescriptor_e1014cab6f31e43b, []int{28}
 }
 func (m *StatefulSetUpdateStrategy) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -858,6 +888,7 @@ func init() {
 	proto.RegisterType((*StatefulSet)(nil), "k8s.io.api.apps.v1.StatefulSet")
 	proto.RegisterType((*StatefulSetCondition)(nil), "k8s.io.api.apps.v1.StatefulSetCondition")
 	proto.RegisterType((*StatefulSetList)(nil), "k8s.io.api.apps.v1.StatefulSetList")
+	proto.RegisterType((*StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), "k8s.io.api.apps.v1.StatefulSetPersistentVolumeClaimRetentionPolicy")
 	proto.RegisterType((*StatefulSetSpec)(nil), "k8s.io.api.apps.v1.StatefulSetSpec")
 	proto.RegisterType((*StatefulSetStatus)(nil), "k8s.io.api.apps.v1.StatefulSetStatus")
 	proto.RegisterType((*StatefulSetUpdateStrategy)(nil), "k8s.io.api.apps.v1.StatefulSetUpdateStrategy")
@@ -868,135 +899,142 @@ func init() {
 }
 
 var fileDescriptor_e1014cab6f31e43b = []byte{
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+	0xd4, 0xd1, 0xcc, 0x9e, 0x5f, 0x60, 0xb7, 0x12, 0x5c, 0x28, 0xc5, 0x0d, 0xef, 0x81, 0x8a, 0x81,
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+	0x66, 0x99, 0xbb, 0x96, 0xae, 0xa9, 0x03, 0x88, 0xc1, 0xdc, 0xfb, 0x87, 0xc4, 0xdc, 0x20, 0x3a,
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+	0xd7, 0x20, 0x49, 0x33, 0x0f, 0x02, 0x19, 0x25, 0x34, 0x32, 0x5f, 0x08, 0x67, 0x32, 0xff, 0x56,
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+	0xf1, 0xb2, 0xd7, 0xba, 0xf2, 0x09, 0x5f, 0xeb, 0xe2, 0x5e, 0x88, 0xff, 0x0c, 0xf2, 0x93, 0x2f,
+	0xeb, 0x85, 0xf8, 0x07, 0xa1, 0x34, 0x1e, 0xbe, 0x16, 0x64, 0x56, 0xc8, 0x30, 0xc3, 0x19, 0x52,
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+	0x3b, 0xf9, 0xc3, 0x9c, 0xf4, 0xda, 0x35, 0x77, 0xf2, 0x6b, 0x57, 0xe3, 0x2f, 0x0a, 0x78, 0x26,
+	0xf7, 0x4c, 0x81, 0xeb, 0x09, 0xb9, 0x76, 0x3d, 0x25, 0xd7, 0x9e, 0xcd, 0x35, 0x8c, 0x69, 0x36,
+	0x43, 0xfe, 0x66, 0x77, 0x6b, 0xec, 0x9b, 0x9d, 0x44, 0x8c, 0x8f, 0x7f, 0xbc, 0x6b, 0xaf, 0x3d,
+	0x7c, 0x54, 0x9b, 0xfa, 0xf8, 0x51, 0x6d, 0xea, 0x93, 0x47, 0xb5, 0xa9, 0x5f, 0x8e, 0x6a, 0xca,
+	0xc3, 0x51, 0x4d, 0xf9, 0x78, 0x54, 0x53, 0x3e, 0x19, 0xd5, 0x94, 0x7f, 0x8c, 0x6a, 0xca, 0x6f,
+	0x3f, 0xad, 0x4d, 0xdd, 0x2b, 0xf4, 0x6f, 0xfc, 0x3f, 0x00, 0x00, 0xff, 0xff, 0xc5, 0x7f, 0x6b,
+	0xc0, 0xb5, 0x28, 0x00, 0x00,
 }
 
 func (m *ControllerRevision) Marshal() (dAtA []byte, err error) {
@@ -2291,6 +2329,39 @@ func (m *StatefulSetList) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	i -= len(m.WhenScaled)
+	copy(dAtA[i:], m.WhenScaled)
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.WhenScaled)))
+	i--
+	dAtA[i] = 0x12
+	i -= len(m.WhenDeleted)
+	copy(dAtA[i:], m.WhenDeleted)
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.WhenDeleted)))
+	i--
+	dAtA[i] = 0xa
+	return len(dAtA) - i, nil
+}
+
 func (m *StatefulSetSpec) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -2311,6 +2382,18 @@ func (m *StatefulSetSpec) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.PersistentVolumeClaimRetentionPolicy != nil {
+		{
+			size, err := m.PersistentVolumeClaimRetentionPolicy.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintGenerated(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x52
+	}
 	i = encodeVarintGenerated(dAtA, i, uint64(m.MinReadySeconds))
 	i--
 	dAtA[i] = 0x48
@@ -2955,6 +3038,19 @@ func (m *StatefulSetList) Size() (n int) {
 	return n
 }
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.WhenDeleted)
+	n += 1 + l + sovGenerated(uint64(l))
+	l = len(m.WhenScaled)
+	n += 1 + l + sovGenerated(uint64(l))
+	return n
+}
+
 func (m *StatefulSetSpec) Size() (n int) {
 	if m == nil {
 		return 0
@@ -2986,6 +3082,10 @@ func (m *StatefulSetSpec) Size() (n int) {
 		n += 1 + sovGenerated(uint64(*m.RevisionHistoryLimit))
 	}
 	n += 1 + sovGenerated(uint64(m.MinReadySeconds))
+	if m.PersistentVolumeClaimRetentionPolicy != nil {
+		l = m.PersistentVolumeClaimRetentionPolicy.Size()
+		n += 1 + l + sovGenerated(uint64(l))
+	}
 	return n
 }
 
@@ -3399,6 +3499,17 @@ func (this *StatefulSetList) String() string {
 	}, "")
 	return s
 }
+func (this *StatefulSetPersistentVolumeClaimRetentionPolicy) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StatefulSetPersistentVolumeClaimRetentionPolicy{`,
+		`WhenDeleted:` + fmt.Sprintf("%v", this.WhenDeleted) + `,`,
+		`WhenScaled:` + fmt.Sprintf("%v", this.WhenScaled) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *StatefulSetSpec) String() string {
 	if this == nil {
 		return "nil"
@@ -3418,6 +3529,7 @@ func (this *StatefulSetSpec) String() string {
 		`UpdateStrategy:` + strings.Replace(strings.Replace(this.UpdateStrategy.String(), "StatefulSetUpdateStrategy", "StatefulSetUpdateStrategy", 1), `&`, ``, 1) + `,`,
 		`RevisionHistoryLimit:` + valueToStringGenerated(this.RevisionHistoryLimit) + `,`,
 		`MinReadySeconds:` + fmt.Sprintf("%v", this.MinReadySeconds) + `,`,
+		`PersistentVolumeClaimRetentionPolicy:` + strings.Replace(this.PersistentVolumeClaimRetentionPolicy.String(), "StatefulSetPersistentVolumeClaimRetentionPolicy", "StatefulSetPersistentVolumeClaimRetentionPolicy", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -7461,6 +7573,120 @@ func (m *StatefulSetList) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StatefulSetPersistentVolumeClaimRetentionPolicy: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StatefulSetPersistentVolumeClaimRetentionPolicy: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WhenDeleted", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.WhenDeleted = PersistentVolumeClaimRetentionPolicyType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WhenScaled", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.WhenScaled = PersistentVolumeClaimRetentionPolicyType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *StatefulSetSpec) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -7749,6 +7975,42 @@ func (m *StatefulSetSpec) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PersistentVolumeClaimRetentionPolicy", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.PersistentVolumeClaimRetentionPolicy == nil {
+				m.PersistentVolumeClaimRetentionPolicy = &StatefulSetPersistentVolumeClaimRetentionPolicy{}
+			}
+			if err := m.PersistentVolumeClaimRetentionPolicy.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
diff --git a/staging/src/k8s.io/api/apps/v1/generated.proto b/staging/src/k8s.io/api/apps/v1/generated.proto
index 038d7ad7f49..f2ba11753ef 100644
--- a/staging/src/k8s.io/api/apps/v1/generated.proto
+++ b/staging/src/k8s.io/api/apps/v1/generated.proto
@@ -611,6 +611,23 @@ message StatefulSetList {
   repeated StatefulSet items = 2;
 }
 
+// StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs
+// created from the StatefulSet VolumeClaimTemplates.
+message StatefulSetPersistentVolumeClaimRetentionPolicy {
+  // WhenDeleted specifies what happens to PVCs created from StatefulSet
+  // VolumeClaimTemplates when the StatefulSet is deleted. The default policy
+  // of `Retain` causes PVCs to not be affected by StatefulSet deletion. The
+  // `Delete` policy causes those PVCs to be deleted.
+  optional string whenDeleted = 1;
+
+  // WhenScaled specifies what happens to PVCs created from StatefulSet
+  // VolumeClaimTemplates when the StatefulSet is scaled down. The default
+  // policy of `Retain` causes PVCs to not be affected by a scaledown. The
+  // `Delete` policy causes the associated PVCs for any excess pods above
+  // the replica count to be deleted.
+  optional string whenScaled = 2;
+}
+
 // A StatefulSetSpec is the specification of a StatefulSet.
 message StatefulSetSpec {
   // replicas is the desired number of replicas of the given Template.
@@ -677,6 +694,15 @@ message StatefulSetSpec {
   // This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.
   // +optional
   optional int32 minReadySeconds = 9;
+
+  // persistentVolumeClaimRetentionPolicy describes the lifecycle of persistent
+  // volume claims created from volumeClaimTemplates. By default, all persistent
+  // volume claims are created as needed and retained until manually deleted. This
+  // policy allows the lifecycle to be altered, for example by deleting persistent
+  // volume claims when their stateful set is deleted, or when their pod is scaled
+  // down. This requires the StatefulSetAutoDeletePVC feature gate to be enabled,
+  // which is alpha.  +optional
+  optional StatefulSetPersistentVolumeClaimRetentionPolicy persistentVolumeClaimRetentionPolicy = 10;
 }
 
 // StatefulSetStatus represents the current state of a StatefulSet.
diff --git a/staging/src/k8s.io/api/apps/v1/types.go b/staging/src/k8s.io/api/apps/v1/types.go
index 85799e778ef..5474041c57c 100644
--- a/staging/src/k8s.io/api/apps/v1/types.go
+++ b/staging/src/k8s.io/api/apps/v1/types.go
@@ -224,7 +224,7 @@ type StatefulSetSpec struct {
 	// volume claims when their stateful set is deleted, or when their pod is scaled
 	// down. This requires the StatefulSetAutoDeletePVC feature gate to be enabled,
 	// which is alpha.  +optional
-	PersistentVolumeClaimRetentionPolicy *StatefulSetPersistentVolumeClaimRetentionPolicy `json:"persistentVolumeClaimRetentionPolicy,omitempty" protobuf:"bytes,9,opt,name=persistentVolumeClaimRetentionPolicy"`
+	PersistentVolumeClaimRetentionPolicy *StatefulSetPersistentVolumeClaimRetentionPolicy `json:"persistentVolumeClaimRetentionPolicy,omitempty" protobuf:"bytes,10,opt,name=persistentVolumeClaimRetentionPolicy"`
 }
 
 // StatefulSetStatus represents the current state of a StatefulSet.
diff --git a/staging/src/k8s.io/api/apps/v1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/apps/v1/types_swagger_doc_generated.go
index 03738eb8b82..c3df7189f41 100644
--- a/staging/src/k8s.io/api/apps/v1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/apps/v1/types_swagger_doc_generated.go
@@ -323,17 +323,28 @@ func (StatefulSetList) SwaggerDoc() map[string]string {
 	return map_StatefulSetList
 }
 
+var map_StatefulSetPersistentVolumeClaimRetentionPolicy = map[string]string{
+	"":            "StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from the StatefulSet VolumeClaimTemplates.",
+	"whenDeleted": "WhenDeleted specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is deleted. The default policy of `Retain` causes PVCs to not be affected by StatefulSet deletion. The `Delete` policy causes those PVCs to be deleted.",
+	"whenScaled":  "WhenScaled specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is scaled down. The default policy of `Retain` causes PVCs to not be affected by a scaledown. The `Delete` policy causes the associated PVCs for any excess pods above the replica count to be deleted.",
+}
+
+func (StatefulSetPersistentVolumeClaimRetentionPolicy) SwaggerDoc() map[string]string {
+	return map_StatefulSetPersistentVolumeClaimRetentionPolicy
+}
+
 var map_StatefulSetSpec = map[string]string{
-	"":                     "A StatefulSetSpec is the specification of a StatefulSet.",
-	"replicas":             "replicas is the desired number of replicas of the given Template. These are replicas in the sense that they are instantiations of the same Template, but individual replicas also have a consistent identity. If unspecified, defaults to 1.",
-	"selector":             "selector is a label query over pods that should match the replica count. It must match the pod template's labels. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors",
-	"template":             "template is the object that describes the pod that will be created if insufficient replicas are detected. Each pod stamped out by the StatefulSet will fulfill this Template, but have a unique identity from the rest of the StatefulSet.",
-	"volumeClaimTemplates": "volumeClaimTemplates is a list of claims that pods are allowed to reference. The StatefulSet controller is responsible for mapping network identities to claims in a way that maintains the identity of a pod. Every claim in this list must have at least one matching (by name) volumeMount in one container in the template. A claim in this list takes precedence over any volumes in the template, with the same name.",
-	"serviceName":          "serviceName is the name of the service that governs this StatefulSet. This service must exist before the StatefulSet, and is responsible for the network identity of the set. Pods get DNS/hostnames that follow the pattern: pod-specific-string.serviceName.default.svc.cluster.local where \"pod-specific-string\" is managed by the StatefulSet controller.",
-	"podManagementPolicy":  "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
-	"updateStrategy":       "updateStrategy indicates the StatefulSetUpdateStrategy that will be employed to update Pods in the StatefulSet when a revision is made to Template.",
-	"revisionHistoryLimit": "revisionHistoryLimit is the maximum number of revisions that will be maintained in the StatefulSet's revision history. The revision history consists of all revisions not represented by a currently applied StatefulSetSpec version. The default value is 10.",
-	"minReadySeconds":      "Minimum number of seconds for which a newly created pod should be ready without any of its container crashing for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready) This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.",
+	"":                                     "A StatefulSetSpec is the specification of a StatefulSet.",
+	"replicas":                             "replicas is the desired number of replicas of the given Template. These are replicas in the sense that they are instantiations of the same Template, but individual replicas also have a consistent identity. If unspecified, defaults to 1.",
+	"selector":                             "selector is a label query over pods that should match the replica count. It must match the pod template's labels. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors",
+	"template":                             "template is the object that describes the pod that will be created if insufficient replicas are detected. Each pod stamped out by the StatefulSet will fulfill this Template, but have a unique identity from the rest of the StatefulSet.",
+	"volumeClaimTemplates":                 "volumeClaimTemplates is a list of claims that pods are allowed to reference. The StatefulSet controller is responsible for mapping network identities to claims in a way that maintains the identity of a pod. Every claim in this list must have at least one matching (by name) volumeMount in one container in the template. A claim in this list takes precedence over any volumes in the template, with the same name.",
+	"serviceName":                          "serviceName is the name of the service that governs this StatefulSet. This service must exist before the StatefulSet, and is responsible for the network identity of the set. Pods get DNS/hostnames that follow the pattern: pod-specific-string.serviceName.default.svc.cluster.local where \"pod-specific-string\" is managed by the StatefulSet controller.",
+	"podManagementPolicy":                  "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
+	"updateStrategy":                       "updateStrategy indicates the StatefulSetUpdateStrategy that will be employed to update Pods in the StatefulSet when a revision is made to Template.",
+	"revisionHistoryLimit":                 "revisionHistoryLimit is the maximum number of revisions that will be maintained in the StatefulSet's revision history. The revision history consists of all revisions not represented by a currently applied StatefulSetSpec version. The default value is 10.",
+	"minReadySeconds":                      "Minimum number of seconds for which a newly created pod should be ready without any of its container crashing for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready) This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.",
+	"persistentVolumeClaimRetentionPolicy": "persistentVolumeClaimRetentionPolicy describes the lifecycle of persistent volume claims created from volumeClaimTemplates. By default, all persistent volume claims are created as needed and retained until manually deleted. This policy allows the lifecycle to be altered, for example by deleting persistent volume claims when their stateful set is deleted, or when their pod is scaled down. This requires the StatefulSetAutoDeletePVC feature gate to be enabled, which is alpha.  +optional",
 }
 
 func (StatefulSetSpec) SwaggerDoc() map[string]string {
diff --git a/staging/src/k8s.io/api/apps/v1/zz_generated.deepcopy.go b/staging/src/k8s.io/api/apps/v1/zz_generated.deepcopy.go
index 0c80548521d..ea88c6f0168 100644
--- a/staging/src/k8s.io/api/apps/v1/zz_generated.deepcopy.go
+++ b/staging/src/k8s.io/api/apps/v1/zz_generated.deepcopy.go
@@ -687,6 +687,22 @@ func (in *StatefulSetList) DeepCopyObject() runtime.Object {
 	return nil
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopyInto(out *StatefulSetPersistentVolumeClaimRetentionPolicy) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new StatefulSetPersistentVolumeClaimRetentionPolicy.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopy() *StatefulSetPersistentVolumeClaimRetentionPolicy {
+	if in == nil {
+		return nil
+	}
+	out := new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 	*out = *in
@@ -714,6 +730,11 @@ func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 		*out = new(int32)
 		**out = **in
 	}
+	if in.PersistentVolumeClaimRetentionPolicy != nil {
+		in, out := &in.PersistentVolumeClaimRetentionPolicy, &out.PersistentVolumeClaimRetentionPolicy
+		*out = new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+		**out = **in
+	}
 	return
 }
 
diff --git a/staging/src/k8s.io/api/apps/v1beta1/generated.pb.go b/staging/src/k8s.io/api/apps/v1beta1/generated.pb.go
index 79e39e582f1..74584223c99 100644
--- a/staging/src/k8s.io/api/apps/v1beta1/generated.pb.go
+++ b/staging/src/k8s.io/api/apps/v1beta1/generated.pb.go
@@ -553,10 +553,40 @@ func (m *StatefulSetList) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_StatefulSetList proto.InternalMessageInfo
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Reset() {
+	*m = StatefulSetPersistentVolumeClaimRetentionPolicy{}
+}
+func (*StatefulSetPersistentVolumeClaimRetentionPolicy) ProtoMessage() {}
+func (*StatefulSetPersistentVolumeClaimRetentionPolicy) Descriptor() ([]byte, []int) {
+	return fileDescriptor_2a07313e8f66e805, []int{18}
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	b = b[:cap(b)]
+	n, err := m.MarshalToSizedBuffer(b)
+	if err != nil {
+		return nil, err
+	}
+	return b[:n], nil
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy.Merge(m, src)
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Size() int {
+	return m.Size()
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_DiscardUnknown() {
+	xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy proto.InternalMessageInfo
+
 func (m *StatefulSetSpec) Reset()      { *m = StatefulSetSpec{} }
 func (*StatefulSetSpec) ProtoMessage() {}
 func (*StatefulSetSpec) Descriptor() ([]byte, []int) {
-	return fileDescriptor_2a07313e8f66e805, []int{18}
+	return fileDescriptor_2a07313e8f66e805, []int{19}
 }
 func (m *StatefulSetSpec) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -584,7 +614,7 @@ var xxx_messageInfo_StatefulSetSpec proto.InternalMessageInfo
 func (m *StatefulSetStatus) Reset()      { *m = StatefulSetStatus{} }
 func (*StatefulSetStatus) ProtoMessage() {}
 func (*StatefulSetStatus) Descriptor() ([]byte, []int) {
-	return fileDescriptor_2a07313e8f66e805, []int{19}
+	return fileDescriptor_2a07313e8f66e805, []int{20}
 }
 func (m *StatefulSetStatus) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -612,7 +642,7 @@ var xxx_messageInfo_StatefulSetStatus proto.InternalMessageInfo
 func (m *StatefulSetUpdateStrategy) Reset()      { *m = StatefulSetUpdateStrategy{} }
 func (*StatefulSetUpdateStrategy) ProtoMessage() {}
 func (*StatefulSetUpdateStrategy) Descriptor() ([]byte, []int) {
-	return fileDescriptor_2a07313e8f66e805, []int{20}
+	return fileDescriptor_2a07313e8f66e805, []int{21}
 }
 func (m *StatefulSetUpdateStrategy) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -658,6 +688,7 @@ func init() {
 	proto.RegisterType((*StatefulSet)(nil), "k8s.io.api.apps.v1beta1.StatefulSet")
 	proto.RegisterType((*StatefulSetCondition)(nil), "k8s.io.api.apps.v1beta1.StatefulSetCondition")
 	proto.RegisterType((*StatefulSetList)(nil), "k8s.io.api.apps.v1beta1.StatefulSetList")
+	proto.RegisterType((*StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), "k8s.io.api.apps.v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy")
 	proto.RegisterType((*StatefulSetSpec)(nil), "k8s.io.api.apps.v1beta1.StatefulSetSpec")
 	proto.RegisterType((*StatefulSetStatus)(nil), "k8s.io.api.apps.v1beta1.StatefulSetStatus")
 	proto.RegisterType((*StatefulSetUpdateStrategy)(nil), "k8s.io.api.apps.v1beta1.StatefulSetUpdateStrategy")
@@ -668,124 +699,130 @@ func init() {
 }
 
 var fileDescriptor_2a07313e8f66e805 = []byte{
-	// 1869 bytes of a gzipped FileDescriptorProto
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 }
 
 func (m *ControllerRevision) Marshal() (dAtA []byte, err error) {
@@ -1687,6 +1724,39 @@ func (m *StatefulSetList) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	i -= len(m.WhenScaled)
+	copy(dAtA[i:], m.WhenScaled)
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.WhenScaled)))
+	i--
+	dAtA[i] = 0x12
+	i -= len(m.WhenDeleted)
+	copy(dAtA[i:], m.WhenDeleted)
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.WhenDeleted)))
+	i--
+	dAtA[i] = 0xa
+	return len(dAtA) - i, nil
+}
+
 func (m *StatefulSetSpec) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1707,6 +1777,18 @@ func (m *StatefulSetSpec) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.PersistentVolumeClaimRetentionPolicy != nil {
+		{
+			size, err := m.PersistentVolumeClaimRetentionPolicy.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintGenerated(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x52
+	}
 	i = encodeVarintGenerated(dAtA, i, uint64(m.MinReadySeconds))
 	i--
 	dAtA[i] = 0x48
@@ -2213,6 +2295,19 @@ func (m *StatefulSetList) Size() (n int) {
 	return n
 }
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.WhenDeleted)
+	n += 1 + l + sovGenerated(uint64(l))
+	l = len(m.WhenScaled)
+	n += 1 + l + sovGenerated(uint64(l))
+	return n
+}
+
 func (m *StatefulSetSpec) Size() (n int) {
 	if m == nil {
 		return 0
@@ -2244,6 +2339,10 @@ func (m *StatefulSetSpec) Size() (n int) {
 		n += 1 + sovGenerated(uint64(*m.RevisionHistoryLimit))
 	}
 	n += 1 + sovGenerated(uint64(m.MinReadySeconds))
+	if m.PersistentVolumeClaimRetentionPolicy != nil {
+		l = m.PersistentVolumeClaimRetentionPolicy.Size()
+		n += 1 + l + sovGenerated(uint64(l))
+	}
 	return n
 }
 
@@ -2559,6 +2658,17 @@ func (this *StatefulSetList) String() string {
 	}, "")
 	return s
 }
+func (this *StatefulSetPersistentVolumeClaimRetentionPolicy) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StatefulSetPersistentVolumeClaimRetentionPolicy{`,
+		`WhenDeleted:` + fmt.Sprintf("%v", this.WhenDeleted) + `,`,
+		`WhenScaled:` + fmt.Sprintf("%v", this.WhenScaled) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *StatefulSetSpec) String() string {
 	if this == nil {
 		return "nil"
@@ -2578,6 +2688,7 @@ func (this *StatefulSetSpec) String() string {
 		`UpdateStrategy:` + strings.Replace(strings.Replace(this.UpdateStrategy.String(), "StatefulSetUpdateStrategy", "StatefulSetUpdateStrategy", 1), `&`, ``, 1) + `,`,
 		`RevisionHistoryLimit:` + valueToStringGenerated(this.RevisionHistoryLimit) + `,`,
 		`MinReadySeconds:` + fmt.Sprintf("%v", this.MinReadySeconds) + `,`,
+		`PersistentVolumeClaimRetentionPolicy:` + strings.Replace(this.PersistentVolumeClaimRetentionPolicy.String(), "StatefulSetPersistentVolumeClaimRetentionPolicy", "StatefulSetPersistentVolumeClaimRetentionPolicy", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -5436,6 +5547,120 @@ func (m *StatefulSetList) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StatefulSetPersistentVolumeClaimRetentionPolicy: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StatefulSetPersistentVolumeClaimRetentionPolicy: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WhenDeleted", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.WhenDeleted = PersistentVolumeClaimRetentionPolicyType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WhenScaled", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.WhenScaled = PersistentVolumeClaimRetentionPolicyType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *StatefulSetSpec) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -5724,6 +5949,42 @@ func (m *StatefulSetSpec) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PersistentVolumeClaimRetentionPolicy", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.PersistentVolumeClaimRetentionPolicy == nil {
+				m.PersistentVolumeClaimRetentionPolicy = &StatefulSetPersistentVolumeClaimRetentionPolicy{}
+			}
+			if err := m.PersistentVolumeClaimRetentionPolicy.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
diff --git a/staging/src/k8s.io/api/apps/v1beta1/generated.proto b/staging/src/k8s.io/api/apps/v1beta1/generated.proto
index 128efa9ca90..40e4bc22bc4 100644
--- a/staging/src/k8s.io/api/apps/v1beta1/generated.proto
+++ b/staging/src/k8s.io/api/apps/v1beta1/generated.proto
@@ -367,6 +367,23 @@ message StatefulSetList {
   repeated StatefulSet items = 2;
 }
 
+// StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs
+// created from the StatefulSet VolumeClaimTemplates.
+message StatefulSetPersistentVolumeClaimRetentionPolicy {
+  // WhenDeleted specifies what happens to PVCs created from StatefulSet
+  // VolumeClaimTemplates when the StatefulSet is deleted. The default policy
+  // of `Retain` causes PVCs to not be affected by StatefulSet deletion. The
+  // `Delete` policy causes those PVCs to be deleted.
+  optional string whenDeleted = 1;
+
+  // WhenScaled specifies what happens to PVCs created from StatefulSet
+  // VolumeClaimTemplates when the StatefulSet is scaled down. The default
+  // policy of `Retain` causes PVCs to not be affected by a scaledown. The
+  // `Delete` policy causes the associated PVCs for any excess pods above
+  // the replica count to be deleted.
+  optional string whenScaled = 2;
+}
+
 // A StatefulSetSpec is the specification of a StatefulSet.
 message StatefulSetSpec {
   // replicas is the desired number of replicas of the given Template.
@@ -434,6 +451,12 @@ message StatefulSetSpec {
   // This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.
   // +optional
   optional int32 minReadySeconds = 9;
+
+  // PersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from
+  // the StatefulSet VolumeClaimTemplates. This requires the
+  // StatefulSetAutoDeletePVC feature gate to be enabled, which is alpha.
+  // +optional
+  optional StatefulSetPersistentVolumeClaimRetentionPolicy persistentVolumeClaimRetentionPolicy = 10;
 }
 
 // StatefulSetStatus represents the current state of a StatefulSet.
diff --git a/staging/src/k8s.io/api/apps/v1beta1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/apps/v1beta1/types_swagger_doc_generated.go
index 51e08b575ec..50ae2af7755 100644
--- a/staging/src/k8s.io/api/apps/v1beta1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/apps/v1beta1/types_swagger_doc_generated.go
@@ -227,17 +227,28 @@ func (StatefulSetList) SwaggerDoc() map[string]string {
 	return map_StatefulSetList
 }
 
+var map_StatefulSetPersistentVolumeClaimRetentionPolicy = map[string]string{
+	"":            "StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from the StatefulSet VolumeClaimTemplates.",
+	"whenDeleted": "WhenDeleted specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is deleted. The default policy of `Retain` causes PVCs to not be affected by StatefulSet deletion. The `Delete` policy causes those PVCs to be deleted.",
+	"whenScaled":  "WhenScaled specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is scaled down. The default policy of `Retain` causes PVCs to not be affected by a scaledown. The `Delete` policy causes the associated PVCs for any excess pods above the replica count to be deleted.",
+}
+
+func (StatefulSetPersistentVolumeClaimRetentionPolicy) SwaggerDoc() map[string]string {
+	return map_StatefulSetPersistentVolumeClaimRetentionPolicy
+}
+
 var map_StatefulSetSpec = map[string]string{
-	"":                     "A StatefulSetSpec is the specification of a StatefulSet.",
-	"replicas":             "replicas is the desired number of replicas of the given Template. These are replicas in the sense that they are instantiations of the same Template, but individual replicas also have a consistent identity. If unspecified, defaults to 1.",
-	"selector":             "selector is a label query over pods that should match the replica count. If empty, defaulted to labels on the pod template. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors",
-	"template":             "template is the object that describes the pod that will be created if insufficient replicas are detected. Each pod stamped out by the StatefulSet will fulfill this Template, but have a unique identity from the rest of the StatefulSet.",
-	"volumeClaimTemplates": "volumeClaimTemplates is a list of claims that pods are allowed to reference. The StatefulSet controller is responsible for mapping network identities to claims in a way that maintains the identity of a pod. Every claim in this list must have at least one matching (by name) volumeMount in one container in the template. A claim in this list takes precedence over any volumes in the template, with the same name.",
-	"serviceName":          "serviceName is the name of the service that governs this StatefulSet. This service must exist before the StatefulSet, and is responsible for the network identity of the set. Pods get DNS/hostnames that follow the pattern: pod-specific-string.serviceName.default.svc.cluster.local where \"pod-specific-string\" is managed by the StatefulSet controller.",
-	"podManagementPolicy":  "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
-	"updateStrategy":       "updateStrategy indicates the StatefulSetUpdateStrategy that will be employed to update Pods in the StatefulSet when a revision is made to Template.",
-	"revisionHistoryLimit": "revisionHistoryLimit is the maximum number of revisions that will be maintained in the StatefulSet's revision history. The revision history consists of all revisions not represented by a currently applied StatefulSetSpec version. The default value is 10.",
-	"minReadySeconds":      "Minimum number of seconds for which a newly created pod should be ready without any of its container crashing for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready) This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.",
+	"":                                     "A StatefulSetSpec is the specification of a StatefulSet.",
+	"replicas":                             "replicas is the desired number of replicas of the given Template. These are replicas in the sense that they are instantiations of the same Template, but individual replicas also have a consistent identity. If unspecified, defaults to 1.",
+	"selector":                             "selector is a label query over pods that should match the replica count. If empty, defaulted to labels on the pod template. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors",
+	"template":                             "template is the object that describes the pod that will be created if insufficient replicas are detected. Each pod stamped out by the StatefulSet will fulfill this Template, but have a unique identity from the rest of the StatefulSet.",
+	"volumeClaimTemplates":                 "volumeClaimTemplates is a list of claims that pods are allowed to reference. The StatefulSet controller is responsible for mapping network identities to claims in a way that maintains the identity of a pod. Every claim in this list must have at least one matching (by name) volumeMount in one container in the template. A claim in this list takes precedence over any volumes in the template, with the same name.",
+	"serviceName":                          "serviceName is the name of the service that governs this StatefulSet. This service must exist before the StatefulSet, and is responsible for the network identity of the set. Pods get DNS/hostnames that follow the pattern: pod-specific-string.serviceName.default.svc.cluster.local where \"pod-specific-string\" is managed by the StatefulSet controller.",
+	"podManagementPolicy":                  "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
+	"updateStrategy":                       "updateStrategy indicates the StatefulSetUpdateStrategy that will be employed to update Pods in the StatefulSet when a revision is made to Template.",
+	"revisionHistoryLimit":                 "revisionHistoryLimit is the maximum number of revisions that will be maintained in the StatefulSet's revision history. The revision history consists of all revisions not represented by a currently applied StatefulSetSpec version. The default value is 10.",
+	"minReadySeconds":                      "Minimum number of seconds for which a newly created pod should be ready without any of its container crashing for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready) This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.",
+	"persistentVolumeClaimRetentionPolicy": "PersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from the StatefulSet VolumeClaimTemplates. This requires the StatefulSetAutoDeletePVC feature gate to be enabled, which is alpha.",
 }
 
 func (StatefulSetSpec) SwaggerDoc() map[string]string {
diff --git a/staging/src/k8s.io/api/apps/v1beta1/zz_generated.deepcopy.go b/staging/src/k8s.io/api/apps/v1beta1/zz_generated.deepcopy.go
index fb27612419e..ab8cd1866f8 100644
--- a/staging/src/k8s.io/api/apps/v1beta1/zz_generated.deepcopy.go
+++ b/staging/src/k8s.io/api/apps/v1beta1/zz_generated.deepcopy.go
@@ -499,6 +499,22 @@ func (in *StatefulSetList) DeepCopyObject() runtime.Object {
 	return nil
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopyInto(out *StatefulSetPersistentVolumeClaimRetentionPolicy) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new StatefulSetPersistentVolumeClaimRetentionPolicy.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopy() *StatefulSetPersistentVolumeClaimRetentionPolicy {
+	if in == nil {
+		return nil
+	}
+	out := new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 	*out = *in
@@ -526,6 +542,11 @@ func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 		*out = new(int32)
 		**out = **in
 	}
+	if in.PersistentVolumeClaimRetentionPolicy != nil {
+		in, out := &in.PersistentVolumeClaimRetentionPolicy, &out.PersistentVolumeClaimRetentionPolicy
+		*out = new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+		**out = **in
+	}
 	return
 }
 
diff --git a/staging/src/k8s.io/api/apps/v1beta2/generated.pb.go b/staging/src/k8s.io/api/apps/v1beta2/generated.pb.go
index e03a95acd47..cd1a06e25f9 100644
--- a/staging/src/k8s.io/api/apps/v1beta2/generated.pb.go
+++ b/staging/src/k8s.io/api/apps/v1beta2/generated.pb.go
@@ -833,10 +833,40 @@ func (m *StatefulSetList) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_StatefulSetList proto.InternalMessageInfo
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Reset() {
+	*m = StatefulSetPersistentVolumeClaimRetentionPolicy{}
+}
+func (*StatefulSetPersistentVolumeClaimRetentionPolicy) ProtoMessage() {}
+func (*StatefulSetPersistentVolumeClaimRetentionPolicy) Descriptor() ([]byte, []int) {
+	return fileDescriptor_42fe616264472f7e, []int{28}
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	b = b[:cap(b)]
+	n, err := m.MarshalToSizedBuffer(b)
+	if err != nil {
+		return nil, err
+	}
+	return b[:n], nil
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy.Merge(m, src)
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_Size() int {
+	return m.Size()
+}
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) XXX_DiscardUnknown() {
+	xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_StatefulSetPersistentVolumeClaimRetentionPolicy proto.InternalMessageInfo
+
 func (m *StatefulSetSpec) Reset()      { *m = StatefulSetSpec{} }
 func (*StatefulSetSpec) ProtoMessage() {}
 func (*StatefulSetSpec) Descriptor() ([]byte, []int) {
-	return fileDescriptor_42fe616264472f7e, []int{28}
+	return fileDescriptor_42fe616264472f7e, []int{29}
 }
 func (m *StatefulSetSpec) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -864,7 +894,7 @@ var xxx_messageInfo_StatefulSetSpec proto.InternalMessageInfo
 func (m *StatefulSetStatus) Reset()      { *m = StatefulSetStatus{} }
 func (*StatefulSetStatus) ProtoMessage() {}
 func (*StatefulSetStatus) Descriptor() ([]byte, []int) {
-	return fileDescriptor_42fe616264472f7e, []int{29}
+	return fileDescriptor_42fe616264472f7e, []int{30}
 }
 func (m *StatefulSetStatus) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -892,7 +922,7 @@ var xxx_messageInfo_StatefulSetStatus proto.InternalMessageInfo
 func (m *StatefulSetUpdateStrategy) Reset()      { *m = StatefulSetUpdateStrategy{} }
 func (*StatefulSetUpdateStrategy) ProtoMessage() {}
 func (*StatefulSetUpdateStrategy) Descriptor() ([]byte, []int) {
-	return fileDescriptor_42fe616264472f7e, []int{30}
+	return fileDescriptor_42fe616264472f7e, []int{31}
 }
 func (m *StatefulSetUpdateStrategy) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -947,6 +977,7 @@ func init() {
 	proto.RegisterType((*StatefulSet)(nil), "k8s.io.api.apps.v1beta2.StatefulSet")
 	proto.RegisterType((*StatefulSetCondition)(nil), "k8s.io.api.apps.v1beta2.StatefulSetCondition")
 	proto.RegisterType((*StatefulSetList)(nil), "k8s.io.api.apps.v1beta2.StatefulSetList")
+	proto.RegisterType((*StatefulSetPersistentVolumeClaimRetentionPolicy)(nil), "k8s.io.api.apps.v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy")
 	proto.RegisterType((*StatefulSetSpec)(nil), "k8s.io.api.apps.v1beta2.StatefulSetSpec")
 	proto.RegisterType((*StatefulSetStatus)(nil), "k8s.io.api.apps.v1beta2.StatefulSetStatus")
 	proto.RegisterType((*StatefulSetUpdateStrategy)(nil), "k8s.io.api.apps.v1beta2.StatefulSetUpdateStrategy")
@@ -957,144 +988,150 @@ func init() {
 }
 
 var fileDescriptor_42fe616264472f7e = []byte{
-	// 2182 bytes of a gzipped FileDescriptorProto
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+	0xd3, 0x33, 0xed, 0x9f, 0x39, 0xb0, 0x18, 0xd0, 0xf6, 0xa9, 0xea, 0xf7, 0x43, 0x54, 0x75, 0x35,
+	0x42, 0x55, 0x2b, 0x49, 0x36, 0xdf, 0x71, 0xd5, 0xf1, 0x5c, 0xf5, 0x4f, 0x12, 0x98, 0x0f, 0xac,
+	0xdd, 0x29, 0x90, 0xd5, 0x3b, 0x61, 0xb2, 0x7a, 0x29, 0x4b, 0xd2, 0xa4, 0xb0, 0xd5, 0x7f, 0x49,
+	0xa0, 0x11, 0xd0, 0x6a, 0x11, 0xd3, 0x52, 0x2c, 0x4a, 0x34, 0x7a, 0x4f, 0x57, 0xed, 0x1e, 0xd9,
+	0x54, 0xb1, 0xd2, 0x43, 0x84, 0x0d, 0x28, 0xba, 0xd6, 0xd2, 0x55, 0xa5, 0x3d, 0x80, 0x18, 0xcc,
+	0x7c, 0x78, 0x44, 0xb4, 0x2d, 0xa2, 0x12, 0x2a, 0x3e, 0x6b, 0x95, 0x9b, 0x6f, 0xb9, 0x5f, 0x79,
+	0xde, 0xf3, 0x45, 0x4f, 0x86, 0xb5, 0xd5, 0x2c, 0x88, 0x3c, 0xcb, 0x82, 0x98, 0xf0, 0xa7, 0x00,
+	0xb0, 0x9f, 0xfc, 0x3c, 0xea, 0x88, 0x84, 0x7b, 0xd3, 0xad, 0xca, 0xf7, 0x3c, 0xc9, 0x44, 0x13,
+	0x04, 0x10, 0xe5, 0xbf, 0x4e, 0x87, 0xf6, 0xec, 0x5b, 0xff, 0x74, 0xf8, 0x73, 0xb0, 0xd8, 0xf7,
+	0x57, 0xc7, 0x55, 0x60, 0xa4, 0x36, 0x1f, 0xbd, 0x1e, 0x7b, 0xf0, 0x49, 0xeb, 0xea, 0x53, 0xe9,
+	0x7b, 0x09, 0x70, 0x28, 0x71, 0x12, 0xf8, 0x2a, 0x98, 0x61, 0x64, 0x54, 0x69, 0x93, 0x5d, 0xdc,
+	0x73, 0xeb, 0xc9, 0xfb, 0x2a, 0xb8, 0xef, 0x8b, 0x50, 0x50, 0x0f, 0x1e, 0x81, 0x05, 0x43, 0xef,
+	0xec, 0x60, 0x0d, 0x77, 0x09, 0x63, 0x57, 0xce, 0x56, 0xf2, 0xf7, 0xc4, 0x72, 0xf3, 0x35, 0xf7,
+	0xad, 0xa8, 0x15, 0x57, 0x61, 0xf7, 0xee, 0x84, 0x61, 0x9e, 0x04, 0x49, 0x90, 0xd0, 0x8c, 0x7d,
+	0xc9, 0x76, 0x5e, 0xf2, 0xd7, 0xb3, 0x14, 0xd6, 0x09, 0xbf, 0x65, 0xa7, 0x3d, 0x97, 0x96, 0x4e,
+	0xf4, 0x5c, 0x9a, 0x70, 0x6f, 0x2c, 0x4f, 0x78, 0x6f, 0xfc, 0x44, 0x02, 0x97, 0x8c, 0x0c, 0xb5,
+	0x54, 0x01, 0x7c, 0x6d, 0x6e, 0x67, 0x59, 0x9b, 0x2c, 0xb5, 0xd9, 0x5c, 0x1d, 0x0d, 0x6b, 0x97,
+	0xb2, 0x68, 0xa2, 0x4c, 0xfe, 0xc9, 0x1f, 0x15, 0xc1, 0xf9, 0x58, 0xb7, 0xfc, 0x1a, 0x1f, 0x6f,
+	0x63, 0x37, 0xc9, 0xfc, 0x04, 0x37, 0xc9, 0x0d, 0x30, 0x2f, 0xfe, 0x1f, 0x20, 0x72, 0x11, 0xf5,
+	0x36, 0x76, 0x33, 0x2c, 0x46, 0x51, 0xfd, 0xa4, 0xc7, 0xe3, 0xe2, 0x84, 0x8f, 0xc7, 0x41, 0x2f,
+	0xc4, 0xff, 0xb7, 0x39, 0x65, 0x18, 0xf7, 0x42, 0xfc, 0x9b, 0x5b, 0x54, 0x9f, 0x91, 0x44, 0x07,
+	0xd5, 0x43, 0x98, 0x0e, 0x93, 0xc4, 0x83, 0x90, 0x14, 0x45, 0xb4, 0xbf, 0xd4, 0x37, 0x6f, 0x9c,
+	0xf0, 0xcd, 0x7b, 0x2d, 0x4b, 0xfe, 0x66, 0x7f, 0x27, 0x4e, 0xbc, 0xf1, 0xcf, 0x4c, 0x7e, 0xe3,
+	0x97, 0xff, 0x22, 0x81, 0xe7, 0x52, 0x4f, 0x17, 0xb8, 0x11, 0xa2, 0x70, 0x6b, 0x11, 0x0a, 0xf7,
+	0xbd, 0x54, 0xc3, 0x00, 0x8f, 0x33, 0x93, 0x9f, 0x90, 0xdf, 0xc8, 0xf6, 0x84, 0x9c, 0x70, 0x0f,
+	0x1c, 0xff, 0x96, 0xdc, 0x5c, 0x7b, 0xf4, 0xb8, 0x7a, 0xe6, 0xd3, 0xc7, 0xd5, 0x33, 0x9f, 0x3f,
+	0xae, 0x9e, 0xf9, 0xc5, 0xa8, 0x2a, 0x3d, 0x1a, 0x55, 0xa5, 0x4f, 0x47, 0x55, 0xe9, 0xf3, 0x51,
+	0x55, 0xfa, 0xdb, 0xa8, 0x2a, 0xfd, 0xe6, 0x8b, 0xea, 0x99, 0xf7, 0xa7, 0xc5, 0x8c, 0xff, 0x0d,
+	0x00, 0x00, 0xff, 0xff, 0x3e, 0x13, 0x3b, 0xc7, 0x94, 0x2b, 0x00, 0x00,
 }
 
 func (m *ControllerRevision) Marshal() (dAtA []byte, err error) {
@@ -2523,6 +2560,39 @@ func (m *StatefulSetList) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	i -= len(m.WhenScaled)
+	copy(dAtA[i:], m.WhenScaled)
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.WhenScaled)))
+	i--
+	dAtA[i] = 0x12
+	i -= len(m.WhenDeleted)
+	copy(dAtA[i:], m.WhenDeleted)
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.WhenDeleted)))
+	i--
+	dAtA[i] = 0xa
+	return len(dAtA) - i, nil
+}
+
 func (m *StatefulSetSpec) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -2543,6 +2613,18 @@ func (m *StatefulSetSpec) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.PersistentVolumeClaimRetentionPolicy != nil {
+		{
+			size, err := m.PersistentVolumeClaimRetentionPolicy.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintGenerated(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x52
+	}
 	i = encodeVarintGenerated(dAtA, i, uint64(m.MinReadySeconds))
 	i--
 	dAtA[i] = 0x48
@@ -3232,6 +3314,19 @@ func (m *StatefulSetList) Size() (n int) {
 	return n
 }
 
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.WhenDeleted)
+	n += 1 + l + sovGenerated(uint64(l))
+	l = len(m.WhenScaled)
+	n += 1 + l + sovGenerated(uint64(l))
+	return n
+}
+
 func (m *StatefulSetSpec) Size() (n int) {
 	if m == nil {
 		return 0
@@ -3263,6 +3358,10 @@ func (m *StatefulSetSpec) Size() (n int) {
 		n += 1 + sovGenerated(uint64(*m.RevisionHistoryLimit))
 	}
 	n += 1 + sovGenerated(uint64(m.MinReadySeconds))
+	if m.PersistentVolumeClaimRetentionPolicy != nil {
+		l = m.PersistentVolumeClaimRetentionPolicy.Size()
+		n += 1 + l + sovGenerated(uint64(l))
+	}
 	return n
 }
 
@@ -3720,6 +3819,17 @@ func (this *StatefulSetList) String() string {
 	}, "")
 	return s
 }
+func (this *StatefulSetPersistentVolumeClaimRetentionPolicy) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StatefulSetPersistentVolumeClaimRetentionPolicy{`,
+		`WhenDeleted:` + fmt.Sprintf("%v", this.WhenDeleted) + `,`,
+		`WhenScaled:` + fmt.Sprintf("%v", this.WhenScaled) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *StatefulSetSpec) String() string {
 	if this == nil {
 		return "nil"
@@ -3739,6 +3849,7 @@ func (this *StatefulSetSpec) String() string {
 		`UpdateStrategy:` + strings.Replace(strings.Replace(this.UpdateStrategy.String(), "StatefulSetUpdateStrategy", "StatefulSetUpdateStrategy", 1), `&`, ``, 1) + `,`,
 		`RevisionHistoryLimit:` + valueToStringGenerated(this.RevisionHistoryLimit) + `,`,
 		`MinReadySeconds:` + fmt.Sprintf("%v", this.MinReadySeconds) + `,`,
+		`PersistentVolumeClaimRetentionPolicy:` + strings.Replace(this.PersistentVolumeClaimRetentionPolicy.String(), "StatefulSetPersistentVolumeClaimRetentionPolicy", "StatefulSetPersistentVolumeClaimRetentionPolicy", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -8228,6 +8339,120 @@ func (m *StatefulSetList) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *StatefulSetPersistentVolumeClaimRetentionPolicy) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StatefulSetPersistentVolumeClaimRetentionPolicy: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StatefulSetPersistentVolumeClaimRetentionPolicy: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WhenDeleted", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.WhenDeleted = PersistentVolumeClaimRetentionPolicyType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WhenScaled", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.WhenScaled = PersistentVolumeClaimRetentionPolicyType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *StatefulSetSpec) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -8516,6 +8741,42 @@ func (m *StatefulSetSpec) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PersistentVolumeClaimRetentionPolicy", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.PersistentVolumeClaimRetentionPolicy == nil {
+				m.PersistentVolumeClaimRetentionPolicy = &StatefulSetPersistentVolumeClaimRetentionPolicy{}
+			}
+			if err := m.PersistentVolumeClaimRetentionPolicy.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
diff --git a/staging/src/k8s.io/api/apps/v1beta2/generated.proto b/staging/src/k8s.io/api/apps/v1beta2/generated.proto
index e22d9e281f8..3270b62ebaf 100644
--- a/staging/src/k8s.io/api/apps/v1beta2/generated.proto
+++ b/staging/src/k8s.io/api/apps/v1beta2/generated.proto
@@ -656,6 +656,23 @@ message StatefulSetList {
   repeated StatefulSet items = 2;
 }
 
+// StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs
+// created from the StatefulSet VolumeClaimTemplates.
+message StatefulSetPersistentVolumeClaimRetentionPolicy {
+  // WhenDeleted specifies what happens to PVCs created from StatefulSet
+  // VolumeClaimTemplates when the StatefulSet is deleted. The default policy
+  // of `Retain` causes PVCs to not be affected by StatefulSet deletion. The
+  // `Delete` policy causes those PVCs to be deleted.
+  optional string whenDeleted = 1;
+
+  // WhenScaled specifies what happens to PVCs created from StatefulSet
+  // VolumeClaimTemplates when the StatefulSet is scaled down. The default
+  // policy of `Retain` causes PVCs to not be affected by a scaledown. The
+  // `Delete` policy causes the associated PVCs for any excess pods above
+  // the replica count to be deleted.
+  optional string whenScaled = 2;
+}
+
 // A StatefulSetSpec is the specification of a StatefulSet.
 message StatefulSetSpec {
   // replicas is the desired number of replicas of the given Template.
@@ -722,6 +739,12 @@ message StatefulSetSpec {
   // This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.
   // +optional
   optional int32 minReadySeconds = 9;
+
+  // PersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from
+  // the StatefulSet VolumeClaimTemplates. This requires the
+  // StatefulSetAutoDeletePVC feature gate to be enabled, which is alpha.
+  // +optional
+  optional StatefulSetPersistentVolumeClaimRetentionPolicy persistentVolumeClaimRetentionPolicy = 10;
 }
 
 // StatefulSetStatus represents the current state of a StatefulSet.
diff --git a/staging/src/k8s.io/api/apps/v1beta2/types_swagger_doc_generated.go b/staging/src/k8s.io/api/apps/v1beta2/types_swagger_doc_generated.go
index 29c84061534..098307b3045 100644
--- a/staging/src/k8s.io/api/apps/v1beta2/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/apps/v1beta2/types_swagger_doc_generated.go
@@ -351,17 +351,28 @@ func (StatefulSetList) SwaggerDoc() map[string]string {
 	return map_StatefulSetList
 }
 
+var map_StatefulSetPersistentVolumeClaimRetentionPolicy = map[string]string{
+	"":            "StatefulSetPersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from the StatefulSet VolumeClaimTemplates.",
+	"whenDeleted": "WhenDeleted specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is deleted. The default policy of `Retain` causes PVCs to not be affected by StatefulSet deletion. The `Delete` policy causes those PVCs to be deleted.",
+	"whenScaled":  "WhenScaled specifies what happens to PVCs created from StatefulSet VolumeClaimTemplates when the StatefulSet is scaled down. The default policy of `Retain` causes PVCs to not be affected by a scaledown. The `Delete` policy causes the associated PVCs for any excess pods above the replica count to be deleted.",
+}
+
+func (StatefulSetPersistentVolumeClaimRetentionPolicy) SwaggerDoc() map[string]string {
+	return map_StatefulSetPersistentVolumeClaimRetentionPolicy
+}
+
 var map_StatefulSetSpec = map[string]string{
-	"":                     "A StatefulSetSpec is the specification of a StatefulSet.",
-	"replicas":             "replicas is the desired number of replicas of the given Template. These are replicas in the sense that they are instantiations of the same Template, but individual replicas also have a consistent identity. If unspecified, defaults to 1.",
-	"selector":             "selector is a label query over pods that should match the replica count. It must match the pod template's labels. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors",
-	"template":             "template is the object that describes the pod that will be created if insufficient replicas are detected. Each pod stamped out by the StatefulSet will fulfill this Template, but have a unique identity from the rest of the StatefulSet.",
-	"volumeClaimTemplates": "volumeClaimTemplates is a list of claims that pods are allowed to reference. The StatefulSet controller is responsible for mapping network identities to claims in a way that maintains the identity of a pod. Every claim in this list must have at least one matching (by name) volumeMount in one container in the template. A claim in this list takes precedence over any volumes in the template, with the same name.",
-	"serviceName":          "serviceName is the name of the service that governs this StatefulSet. This service must exist before the StatefulSet, and is responsible for the network identity of the set. Pods get DNS/hostnames that follow the pattern: pod-specific-string.serviceName.default.svc.cluster.local where \"pod-specific-string\" is managed by the StatefulSet controller.",
-	"podManagementPolicy":  "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
-	"updateStrategy":       "updateStrategy indicates the StatefulSetUpdateStrategy that will be employed to update Pods in the StatefulSet when a revision is made to Template.",
-	"revisionHistoryLimit": "revisionHistoryLimit is the maximum number of revisions that will be maintained in the StatefulSet's revision history. The revision history consists of all revisions not represented by a currently applied StatefulSetSpec version. The default value is 10.",
-	"minReadySeconds":      "Minimum number of seconds for which a newly created pod should be ready without any of its container crashing for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready) This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.",
+	"":                                     "A StatefulSetSpec is the specification of a StatefulSet.",
+	"replicas":                             "replicas is the desired number of replicas of the given Template. These are replicas in the sense that they are instantiations of the same Template, but individual replicas also have a consistent identity. If unspecified, defaults to 1.",
+	"selector":                             "selector is a label query over pods that should match the replica count. It must match the pod template's labels. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors",
+	"template":                             "template is the object that describes the pod that will be created if insufficient replicas are detected. Each pod stamped out by the StatefulSet will fulfill this Template, but have a unique identity from the rest of the StatefulSet.",
+	"volumeClaimTemplates":                 "volumeClaimTemplates is a list of claims that pods are allowed to reference. The StatefulSet controller is responsible for mapping network identities to claims in a way that maintains the identity of a pod. Every claim in this list must have at least one matching (by name) volumeMount in one container in the template. A claim in this list takes precedence over any volumes in the template, with the same name.",
+	"serviceName":                          "serviceName is the name of the service that governs this StatefulSet. This service must exist before the StatefulSet, and is responsible for the network identity of the set. Pods get DNS/hostnames that follow the pattern: pod-specific-string.serviceName.default.svc.cluster.local where \"pod-specific-string\" is managed by the StatefulSet controller.",
+	"podManagementPolicy":                  "podManagementPolicy controls how pods are created during initial scale up, when replacing pods on nodes, or when scaling down. The default policy is `OrderedReady`, where pods are created in increasing order (pod-0, then pod-1, etc) and the controller will wait until each pod is ready before continuing. When scaling down, the pods are removed in the opposite order. The alternative policy is `Parallel` which will create pods in parallel to match the desired scale without waiting, and on scale down will delete all pods at once.",
+	"updateStrategy":                       "updateStrategy indicates the StatefulSetUpdateStrategy that will be employed to update Pods in the StatefulSet when a revision is made to Template.",
+	"revisionHistoryLimit":                 "revisionHistoryLimit is the maximum number of revisions that will be maintained in the StatefulSet's revision history. The revision history consists of all revisions not represented by a currently applied StatefulSetSpec version. The default value is 10.",
+	"minReadySeconds":                      "Minimum number of seconds for which a newly created pod should be ready without any of its container crashing for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready) This is an alpha field and requires enabling StatefulSetMinReadySeconds feature gate.",
+	"persistentVolumeClaimRetentionPolicy": "PersistentVolumeClaimRetentionPolicy describes the policy used for PVCs created from the StatefulSet VolumeClaimTemplates. This requires the StatefulSetAutoDeletePVC feature gate to be enabled, which is alpha.",
 }
 
 func (StatefulSetSpec) SwaggerDoc() map[string]string {
diff --git a/staging/src/k8s.io/api/apps/v1beta2/zz_generated.deepcopy.go b/staging/src/k8s.io/api/apps/v1beta2/zz_generated.deepcopy.go
index 0a84d1b08a8..1cd7261803e 100644
--- a/staging/src/k8s.io/api/apps/v1beta2/zz_generated.deepcopy.go
+++ b/staging/src/k8s.io/api/apps/v1beta2/zz_generated.deepcopy.go
@@ -754,6 +754,22 @@ func (in *StatefulSetList) DeepCopyObject() runtime.Object {
 	return nil
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopyInto(out *StatefulSetPersistentVolumeClaimRetentionPolicy) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new StatefulSetPersistentVolumeClaimRetentionPolicy.
+func (in *StatefulSetPersistentVolumeClaimRetentionPolicy) DeepCopy() *StatefulSetPersistentVolumeClaimRetentionPolicy {
+	if in == nil {
+		return nil
+	}
+	out := new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 	*out = *in
@@ -781,6 +797,11 @@ func (in *StatefulSetSpec) DeepCopyInto(out *StatefulSetSpec) {
 		*out = new(int32)
 		**out = **in
 	}
+	if in.PersistentVolumeClaimRetentionPolicy != nil {
+		in, out := &in.PersistentVolumeClaimRetentionPolicy, &out.PersistentVolumeClaimRetentionPolicy
+		*out = new(StatefulSetPersistentVolumeClaimRetentionPolicy)
+		**out = **in
+	}
 	return
 }
 
diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.json b/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.json
index 082fe41a43c..d9244fb4f18 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.json
@@ -1639,26 +1639,30 @@
       }
     },
     "revisionHistoryLimit": 1747963012,
-    "minReadySeconds": 227754708
+    "minReadySeconds": 227754708,
+    "persistentVolumeClaimRetentionPolicy": {
+      "whenDeleted": "牦[闤ŬNĻ",
+      "whenScaled": "ĕ"
+    }
   },
   "status": {
-    "observedGeneration": 3726357650029194772,
-    "replicas": -2017431863,
-    "readyReplicas": -1391197036,
-    "currentReplicas": -819211803,
-    "updatedReplicas": -644991728,
+    "observedGeneration": 6686533762378407166,
+    "replicas": -506660990,
+    "readyReplicas": 504213151,
+    "currentReplicas": -1264206794,
+    "updatedReplicas": -691647199,
     "currentRevision": "516",
     "updateRevision": "517",
-    "collisionCount": 318464433,
+    "collisionCount": -1994313473,
     "conditions": [
       {
-        "type": "ĕ",
-        "status": "Īɱ|åȧ$Ĥ龌帲笁銭1ÂơHđ\"-劺",
-        "lastTransitionTime": "2209-09-04T06:38:38Z",
+        "type": "龌帲笁銭1ÂơHđ\"-劺b",
+        "status": "Dê婼SƸ炃\u0026-Ƹ绿浠穸æǷ^ɘ",
+        "lastTransitionTime": "2624-04-25T00:24:24Z",
         "reason": "518",
         "message": "519"
       }
     ],
-    "availableReplicas": 1180728433
+    "availableReplicas": 2082714834
   }
 }
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.pb b/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.pb
index c2b617958f34882fddd88f5894d93daebf9395fe..ff1cfd16da2bca644b2895a7991720e49d030b71 100644
GIT binary patch
delta 207
zcmeBj-RL?&mZ{HmqWn(A4I6LDD%J-Haq&FwTo(Ou`jVq-{EqAvVmdNaY5^n1znza(
z{(f-vX^cSA`^|m-{sRG{#QeM4J}@e5`!Q|lZ?J&I!dWx7{RK0Pm`x4Mtbl~M$Nz^d
zCx3tigMzrEUheC8x?|JxHH|O3)*2peI=0Z`$V4UGr(L^}gcMv3+pK!Ja!>HF9nYJZ
z)pUW>?)}fUE_l9j$Khqix5u5FA;rP5qv6?C9{~m>pwSjuK*BQO(#yVw>{1L$3;>db
BZBqaM

delta 168
zcmdn!+T}Vymg%|6MERYJb2i?TRjillW#pK0XVZd37gygl7C3pgao>;sK)@(5rSrmz
zUtp%f)5Yt5{sA*JCcN5l<}a9O#B6G4W(6e7JvJVGJDoAeo{Q<oR3X(Pt4?mLIlT15
za+M=XUheC8x?|JxHH|O3)*2peI=0Z`$V4UGr(L_GI5^&YJ}^y2K$JlVXoQ6pkg$yS
N_@i+%ixh(r0{~-JRxkhn

diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.yaml b/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.yaml
index f049a4f0441..268ae356991 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/apps.v1.StatefulSet.yaml
@@ -32,6 +32,9 @@ metadata:
   uid: "7"
 spec:
   minReadySeconds: 227754708
+  persistentVolumeClaimRetentionPolicy:
+    whenDeleted: 牦[闤ŬNĻ
+    whenScaled: ĕ
   podManagementPolicy: (DǺM變ǣƆ鄾篏q鴥络@
   replicas: 896585016
   revisionHistoryLimit: 1747963012
@@ -1122,18 +1125,18 @@ spec:
         type: 儲ȃ<DŽ噻ȁ隞ĻȀ拞抵<躁ĄȐ煷叺
       phase: VǕ酈t史C<镼ƶƭ
 status:
-  availableReplicas: 1180728433
-  collisionCount: 318464433
+  availableReplicas: 2082714834
+  collisionCount: -1994313473
   conditions:
-  - lastTransitionTime: "2209-09-04T06:38:38Z"
+  - lastTransitionTime: "2624-04-25T00:24:24Z"
     message: "519"
     reason: "518"
-    status: Īɱ|åȧ$Ĥ龌帲笁銭1ÂơHđ"-劺
-    type: ĕ
-  currentReplicas: -819211803
+    status: Dê婼SƸ炃&-Ƹ绿浠穸æǷ^ɘ
+    type: 龌帲笁銭1ÂơHđ"-劺b
+  currentReplicas: -1264206794
   currentRevision: "516"
-  observedGeneration: 3726357650029194772
-  readyReplicas: -1391197036
-  replicas: -2017431863
+  observedGeneration: 6686533762378407166
+  readyReplicas: 504213151
+  replicas: -506660990
   updateRevision: "517"
-  updatedReplicas: -644991728
+  updatedReplicas: -691647199
diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.json b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.json
index 95adf0e7f46..21de0a7122a 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.json
@@ -1639,26 +1639,30 @@
       }
     },
     "revisionHistoryLimit": 1747963012,
-    "minReadySeconds": 227754708
+    "minReadySeconds": 227754708,
+    "persistentVolumeClaimRetentionPolicy": {
+      "whenDeleted": "牦[闤ŬNĻ",
+      "whenScaled": "ĕ"
+    }
   },
   "status": {
-    "observedGeneration": 2597642487843996253,
-    "replicas": -1579944009,
-    "readyReplicas": -1233364344,
-    "currentReplicas": -906614126,
-    "updatedReplicas": -741018201,
+    "observedGeneration": -5388384335248450956,
+    "replicas": 184101100,
+    "readyReplicas": -1742186708,
+    "currentReplicas": 428141081,
+    "updatedReplicas": -705407478,
     "currentRevision": "516",
     "updateRevision": "517",
-    "collisionCount": -658674406,
+    "collisionCount": 1808522007,
     "conditions": [
       {
-        "type": "ƧĪɱ|åȧ$Ĥ龌帲笁銭1ÂơHđ\"",
-        "status": "砽§^Dê婼SƸ炃\u0026-Ƹ绿",
-        "lastTransitionTime": "1998-10-20T01:25:38Z",
+        "type": "ʟ]mʦ獪霛圦Ƶ胐N砽§",
+        "status": "Y伂滹Ǽ颠Nc5ɚnX",
+        "lastTransitionTime": "2709-09-26T10:19:04Z",
         "reason": "518",
         "message": "519"
       }
     ],
-    "availableReplicas": -230316059
+    "availableReplicas": 499586111
   }
 }
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.pb b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.pb
index 02c03c298ac37ffe673e0170674edbbec5bce027..115b176e9c32c28803914aafea8b5588ba061fb4 100644
GIT binary patch
delta 184
zcmV;p07w6>MW02GA_DhBktDeRu(949A%9X53Jm9ord#Qkq{XaG#Jds##FZL}0SNT8
z^1<()r<}C`5bV+9R~W3Wp~3n8|Ns91Aeq#Y%mFBhtkJLi|NsC00Wt$MF*Z5_H8D3x
zm$t9o22w=|8p@wtZOW$SjjHLKo8_FQ#<l2!kWS~Iy~3vw6ItZEg66xq$GqvHpe0UY
mHOZQ8SQ-cjn3R_LRuBLp12r)?Dg!k!Iat4_obCY{03rYc(ppvk

delta 199
zcmbR5y3Tci5>uP&M3tS4b2i?SRjij<!^m;BW$x=^hgP?#2yB0UzVFw6AYhc}*!pqv
zZ!l9~($yR1|A3hq%U@rf_ZQ4GVm382vjP(49<y$JJqi&F3gJ>dw*1JdlN)OeFFmnb
z<;aqk`+A=4*z|l&<IAqKhKHMuE%Z1tQAtSh`GUQNmdCjqHd*y_<(}YUJDxW+tLXx%
m-TS3DI3}H4zmZvhK?!KMg%*&ojCgu}+9Z&z{~4tilo$XyV{J(Q

diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.yaml b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.yaml
index 6846b5a676b..8b0db98b06a 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta1.StatefulSet.yaml
@@ -32,6 +32,9 @@ metadata:
   uid: "7"
 spec:
   minReadySeconds: 227754708
+  persistentVolumeClaimRetentionPolicy:
+    whenDeleted: 牦[闤ŬNĻ
+    whenScaled: ĕ
   podManagementPolicy: (DǺM變ǣƆ鄾篏q鴥络@
   replicas: 896585016
   revisionHistoryLimit: 1747963012
@@ -1122,18 +1125,18 @@ spec:
         type: 儲ȃ<DŽ噻ȁ隞ĻȀ拞抵<躁ĄȐ煷叺
       phase: VǕ酈t史C<镼ƶƭ
 status:
-  availableReplicas: -230316059
-  collisionCount: -658674406
+  availableReplicas: 499586111
+  collisionCount: 1808522007
   conditions:
-  - lastTransitionTime: "1998-10-20T01:25:38Z"
+  - lastTransitionTime: "2709-09-26T10:19:04Z"
     message: "519"
     reason: "518"
-    status: 砽§^Dê婼SƸ炃&-Ƹ绿
-    type: ƧĪɱ|åȧ$Ĥ龌帲笁銭1ÂơHđ"
-  currentReplicas: -906614126
+    status: Y伂滹Ǽ颠Nc5ɚnX
+    type: ʟ]mʦ獪霛圦Ƶ胐N砽§
+  currentReplicas: 428141081
   currentRevision: "516"
-  observedGeneration: 2597642487843996253
-  readyReplicas: -1233364344
-  replicas: -1579944009
+  observedGeneration: -5388384335248450956
+  readyReplicas: -1742186708
+  replicas: 184101100
   updateRevision: "517"
-  updatedReplicas: -741018201
+  updatedReplicas: -705407478
diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.json b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.json
index d0879ee7173..a103ccccd74 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.json
@@ -1639,26 +1639,30 @@
       }
     },
     "revisionHistoryLimit": 1747963012,
-    "minReadySeconds": 227754708
+    "minReadySeconds": 227754708,
+    "persistentVolumeClaimRetentionPolicy": {
+      "whenDeleted": "牦[闤ŬNĻ",
+      "whenScaled": "ĕ"
+    }
   },
   "status": {
-    "observedGeneration": 3726357650029194772,
-    "replicas": -2017431863,
-    "readyReplicas": -1391197036,
-    "currentReplicas": -819211803,
-    "updatedReplicas": -644991728,
+    "observedGeneration": 6686533762378407166,
+    "replicas": -506660990,
+    "readyReplicas": 504213151,
+    "currentReplicas": -1264206794,
+    "updatedReplicas": -691647199,
     "currentRevision": "516",
     "updateRevision": "517",
-    "collisionCount": 318464433,
+    "collisionCount": -1994313473,
     "conditions": [
       {
-        "type": "ĕ",
-        "status": "Īɱ|åȧ$Ĥ龌帲笁銭1ÂơHđ\"-劺",
-        "lastTransitionTime": "2209-09-04T06:38:38Z",
+        "type": "龌帲笁銭1ÂơHđ\"-劺b",
+        "status": "Dê婼SƸ炃\u0026-Ƹ绿浠穸æǷ^ɘ",
+        "lastTransitionTime": "2624-04-25T00:24:24Z",
         "reason": "518",
         "message": "519"
       }
     ],
-    "availableReplicas": 1180728433
+    "availableReplicas": 2082714834
   }
 }
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.pb b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.pb
index dac9d8b827b01769e144ce26292485e9e2e644d2..004722fee1eb4e067878c2330a62f157205d9c62 100644
GIT binary patch
delta 207
zcmeBo-R3$$iK)+ZqRLLj4IA&tD%J-Haq&FwTo(Ou`jVq-{EqAvVmdNaY5^n1znza(
z{(f-vX^cSA`^|m-{sRG{#QeM4J}@e5`!Q|lZ?J&I!dWx7{RK0Pm`x4Mtbl~M$Nz^d
zCx3tigMzrEUheC8x?|JxHH|O3)*2peI=0Z`$V4UGr(L^}gcMv3+pK!Ja!>HF9nYJZ
z)pUW>?)}fUE_l9j$Khqix5u5FA;rP5qv6?C9{~m>pwSjuK*BQO(#yVw>{1L$3;?Db
BZEOGl

delta 147
zcmdny+V46+iRrn^M3tS4b2i?SRg9JDW#pK0XVZd37gygl7C3pgao>;sK)@(5rSrmz
zUtp%f)5Yt5{sA*JCcN5l<}a9O#B6G4W(6e7JvJVGJDoAeo{Q<oR3X(Pt4?mLIlT15
qa+M=XCdVjA%1Lo>y!(7$nv4L05>T~;7Lc%v`1qr7Gm8|15(5CXx<|4A

diff --git a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.yaml b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.yaml
index ef158488530..2c384a390c5 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/apps.v1beta2.StatefulSet.yaml
@@ -32,6 +32,9 @@ metadata:
   uid: "7"
 spec:
   minReadySeconds: 227754708
+  persistentVolumeClaimRetentionPolicy:
+    whenDeleted: 牦[闤ŬNĻ
+    whenScaled: ĕ
   podManagementPolicy: (DǺM變ǣƆ鄾篏q鴥络@
   replicas: 896585016
   revisionHistoryLimit: 1747963012
@@ -1122,18 +1125,18 @@ spec:
         type: 儲ȃ<DŽ噻ȁ隞ĻȀ拞抵<躁ĄȐ煷叺
       phase: VǕ酈t史C<镼ƶƭ
 status:
-  availableReplicas: 1180728433
-  collisionCount: 318464433
+  availableReplicas: 2082714834
+  collisionCount: -1994313473
   conditions:
-  - lastTransitionTime: "2209-09-04T06:38:38Z"
+  - lastTransitionTime: "2624-04-25T00:24:24Z"
     message: "519"
     reason: "518"
-    status: Īɱ|åȧ$Ĥ龌帲笁銭1ÂơHđ"-劺
-    type: ĕ
-  currentReplicas: -819211803
+    status: Dê婼SƸ炃&-Ƹ绿浠穸æǷ^ɘ
+    type: 龌帲笁銭1ÂơHđ"-劺b
+  currentReplicas: -1264206794
   currentRevision: "516"
-  observedGeneration: 3726357650029194772
-  readyReplicas: -1391197036
-  replicas: -2017431863
+  observedGeneration: 6686533762378407166
+  readyReplicas: 504213151
+  replicas: -506660990
   updateRevision: "517"
-  updatedReplicas: -644991728
+  updatedReplicas: -691647199
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetpersistentvolumeclaimretentionpolicy.go b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetpersistentvolumeclaimretentionpolicy.go
new file mode 100644
index 00000000000..ba01d5d3c10
--- /dev/null
+++ b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetpersistentvolumeclaimretentionpolicy.go
@@ -0,0 +1,52 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	v1 "k8s.io/api/apps/v1"
+)
+
+// StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration represents an declarative configuration of the StatefulSetPersistentVolumeClaimRetentionPolicy type for use
+// with apply.
+type StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration struct {
+	WhenDeleted *v1.PersistentVolumeClaimRetentionPolicyType `json:"whenDeleted,omitempty"`
+	WhenScaled  *v1.PersistentVolumeClaimRetentionPolicyType `json:"whenScaled,omitempty"`
+}
+
+// StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration constructs an declarative configuration of the StatefulSetPersistentVolumeClaimRetentionPolicy type for use with
+// apply.
+func StatefulSetPersistentVolumeClaimRetentionPolicy() *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	return &StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration{}
+}
+
+// WithWhenDeleted sets the WhenDeleted field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the WhenDeleted field is set to the value of the last call.
+func (b *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) WithWhenDeleted(value v1.PersistentVolumeClaimRetentionPolicyType) *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	b.WhenDeleted = &value
+	return b
+}
+
+// WithWhenScaled sets the WhenScaled field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the WhenScaled field is set to the value of the last call.
+func (b *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) WithWhenScaled(value v1.PersistentVolumeClaimRetentionPolicyType) *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	b.WhenScaled = &value
+	return b
+}
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetspec.go b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetspec.go
index ade14180b22..ee0ed40a569 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetspec.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1/statefulsetspec.go
@@ -27,15 +27,16 @@ import (
 // StatefulSetSpecApplyConfiguration represents an declarative configuration of the StatefulSetSpec type for use
 // with apply.
 type StatefulSetSpecApplyConfiguration struct {
-	Replicas             *int32                                           `json:"replicas,omitempty"`
-	Selector             *v1.LabelSelectorApplyConfiguration              `json:"selector,omitempty"`
-	Template             *corev1.PodTemplateSpecApplyConfiguration        `json:"template,omitempty"`
-	VolumeClaimTemplates []corev1.PersistentVolumeClaimApplyConfiguration `json:"volumeClaimTemplates,omitempty"`
-	ServiceName          *string                                          `json:"serviceName,omitempty"`
-	PodManagementPolicy  *appsv1.PodManagementPolicyType                  `json:"podManagementPolicy,omitempty"`
-	UpdateStrategy       *StatefulSetUpdateStrategyApplyConfiguration     `json:"updateStrategy,omitempty"`
-	RevisionHistoryLimit *int32                                           `json:"revisionHistoryLimit,omitempty"`
-	MinReadySeconds      *int32                                           `json:"minReadySeconds,omitempty"`
+	Replicas                             *int32                                                             `json:"replicas,omitempty"`
+	Selector                             *v1.LabelSelectorApplyConfiguration                                `json:"selector,omitempty"`
+	Template                             *corev1.PodTemplateSpecApplyConfiguration                          `json:"template,omitempty"`
+	VolumeClaimTemplates                 []corev1.PersistentVolumeClaimApplyConfiguration                   `json:"volumeClaimTemplates,omitempty"`
+	ServiceName                          *string                                                            `json:"serviceName,omitempty"`
+	PodManagementPolicy                  *appsv1.PodManagementPolicyType                                    `json:"podManagementPolicy,omitempty"`
+	UpdateStrategy                       *StatefulSetUpdateStrategyApplyConfiguration                       `json:"updateStrategy,omitempty"`
+	RevisionHistoryLimit                 *int32                                                             `json:"revisionHistoryLimit,omitempty"`
+	MinReadySeconds                      *int32                                                             `json:"minReadySeconds,omitempty"`
+	PersistentVolumeClaimRetentionPolicy *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration `json:"persistentVolumeClaimRetentionPolicy,omitempty"`
 }
 
 // StatefulSetSpecApplyConfiguration constructs an declarative configuration of the StatefulSetSpec type for use with
@@ -120,3 +121,11 @@ func (b *StatefulSetSpecApplyConfiguration) WithMinReadySeconds(value int32) *St
 	b.MinReadySeconds = &value
 	return b
 }
+
+// WithPersistentVolumeClaimRetentionPolicy sets the PersistentVolumeClaimRetentionPolicy field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the PersistentVolumeClaimRetentionPolicy field is set to the value of the last call.
+func (b *StatefulSetSpecApplyConfiguration) WithPersistentVolumeClaimRetentionPolicy(value *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) *StatefulSetSpecApplyConfiguration {
+	b.PersistentVolumeClaimRetentionPolicy = value
+	return b
+}
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetpersistentvolumeclaimretentionpolicy.go b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetpersistentvolumeclaimretentionpolicy.go
new file mode 100644
index 00000000000..0048724c041
--- /dev/null
+++ b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetpersistentvolumeclaimretentionpolicy.go
@@ -0,0 +1,52 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1beta1
+
+import (
+	v1beta1 "k8s.io/api/apps/v1beta1"
+)
+
+// StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration represents an declarative configuration of the StatefulSetPersistentVolumeClaimRetentionPolicy type for use
+// with apply.
+type StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration struct {
+	WhenDeleted *v1beta1.PersistentVolumeClaimRetentionPolicyType `json:"whenDeleted,omitempty"`
+	WhenScaled  *v1beta1.PersistentVolumeClaimRetentionPolicyType `json:"whenScaled,omitempty"`
+}
+
+// StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration constructs an declarative configuration of the StatefulSetPersistentVolumeClaimRetentionPolicy type for use with
+// apply.
+func StatefulSetPersistentVolumeClaimRetentionPolicy() *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	return &StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration{}
+}
+
+// WithWhenDeleted sets the WhenDeleted field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the WhenDeleted field is set to the value of the last call.
+func (b *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) WithWhenDeleted(value v1beta1.PersistentVolumeClaimRetentionPolicyType) *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	b.WhenDeleted = &value
+	return b
+}
+
+// WithWhenScaled sets the WhenScaled field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the WhenScaled field is set to the value of the last call.
+func (b *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) WithWhenScaled(value v1beta1.PersistentVolumeClaimRetentionPolicyType) *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	b.WhenScaled = &value
+	return b
+}
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetspec.go b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetspec.go
index befd1f7e0ad..886433d9ea3 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetspec.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta1/statefulsetspec.go
@@ -27,15 +27,16 @@ import (
 // StatefulSetSpecApplyConfiguration represents an declarative configuration of the StatefulSetSpec type for use
 // with apply.
 type StatefulSetSpecApplyConfiguration struct {
-	Replicas             *int32                                           `json:"replicas,omitempty"`
-	Selector             *v1.LabelSelectorApplyConfiguration              `json:"selector,omitempty"`
-	Template             *corev1.PodTemplateSpecApplyConfiguration        `json:"template,omitempty"`
-	VolumeClaimTemplates []corev1.PersistentVolumeClaimApplyConfiguration `json:"volumeClaimTemplates,omitempty"`
-	ServiceName          *string                                          `json:"serviceName,omitempty"`
-	PodManagementPolicy  *v1beta1.PodManagementPolicyType                 `json:"podManagementPolicy,omitempty"`
-	UpdateStrategy       *StatefulSetUpdateStrategyApplyConfiguration     `json:"updateStrategy,omitempty"`
-	RevisionHistoryLimit *int32                                           `json:"revisionHistoryLimit,omitempty"`
-	MinReadySeconds      *int32                                           `json:"minReadySeconds,omitempty"`
+	Replicas                             *int32                                                             `json:"replicas,omitempty"`
+	Selector                             *v1.LabelSelectorApplyConfiguration                                `json:"selector,omitempty"`
+	Template                             *corev1.PodTemplateSpecApplyConfiguration                          `json:"template,omitempty"`
+	VolumeClaimTemplates                 []corev1.PersistentVolumeClaimApplyConfiguration                   `json:"volumeClaimTemplates,omitempty"`
+	ServiceName                          *string                                                            `json:"serviceName,omitempty"`
+	PodManagementPolicy                  *v1beta1.PodManagementPolicyType                                   `json:"podManagementPolicy,omitempty"`
+	UpdateStrategy                       *StatefulSetUpdateStrategyApplyConfiguration                       `json:"updateStrategy,omitempty"`
+	RevisionHistoryLimit                 *int32                                                             `json:"revisionHistoryLimit,omitempty"`
+	MinReadySeconds                      *int32                                                             `json:"minReadySeconds,omitempty"`
+	PersistentVolumeClaimRetentionPolicy *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration `json:"persistentVolumeClaimRetentionPolicy,omitempty"`
 }
 
 // StatefulSetSpecApplyConfiguration constructs an declarative configuration of the StatefulSetSpec type for use with
@@ -120,3 +121,11 @@ func (b *StatefulSetSpecApplyConfiguration) WithMinReadySeconds(value int32) *St
 	b.MinReadySeconds = &value
 	return b
 }
+
+// WithPersistentVolumeClaimRetentionPolicy sets the PersistentVolumeClaimRetentionPolicy field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the PersistentVolumeClaimRetentionPolicy field is set to the value of the last call.
+func (b *StatefulSetSpecApplyConfiguration) WithPersistentVolumeClaimRetentionPolicy(value *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) *StatefulSetSpecApplyConfiguration {
+	b.PersistentVolumeClaimRetentionPolicy = value
+	return b
+}
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetpersistentvolumeclaimretentionpolicy.go b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetpersistentvolumeclaimretentionpolicy.go
new file mode 100644
index 00000000000..aee27803d3b
--- /dev/null
+++ b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetpersistentvolumeclaimretentionpolicy.go
@@ -0,0 +1,52 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1beta2
+
+import (
+	v1beta2 "k8s.io/api/apps/v1beta2"
+)
+
+// StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration represents an declarative configuration of the StatefulSetPersistentVolumeClaimRetentionPolicy type for use
+// with apply.
+type StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration struct {
+	WhenDeleted *v1beta2.PersistentVolumeClaimRetentionPolicyType `json:"whenDeleted,omitempty"`
+	WhenScaled  *v1beta2.PersistentVolumeClaimRetentionPolicyType `json:"whenScaled,omitempty"`
+}
+
+// StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration constructs an declarative configuration of the StatefulSetPersistentVolumeClaimRetentionPolicy type for use with
+// apply.
+func StatefulSetPersistentVolumeClaimRetentionPolicy() *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	return &StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration{}
+}
+
+// WithWhenDeleted sets the WhenDeleted field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the WhenDeleted field is set to the value of the last call.
+func (b *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) WithWhenDeleted(value v1beta2.PersistentVolumeClaimRetentionPolicyType) *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	b.WhenDeleted = &value
+	return b
+}
+
+// WithWhenScaled sets the WhenScaled field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the WhenScaled field is set to the value of the last call.
+func (b *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) WithWhenScaled(value v1beta2.PersistentVolumeClaimRetentionPolicyType) *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration {
+	b.WhenScaled = &value
+	return b
+}
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetspec.go b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetspec.go
index 44044be265c..08922cea576 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetspec.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/apps/v1beta2/statefulsetspec.go
@@ -27,15 +27,16 @@ import (
 // StatefulSetSpecApplyConfiguration represents an declarative configuration of the StatefulSetSpec type for use
 // with apply.
 type StatefulSetSpecApplyConfiguration struct {
-	Replicas             *int32                                           `json:"replicas,omitempty"`
-	Selector             *v1.LabelSelectorApplyConfiguration              `json:"selector,omitempty"`
-	Template             *corev1.PodTemplateSpecApplyConfiguration        `json:"template,omitempty"`
-	VolumeClaimTemplates []corev1.PersistentVolumeClaimApplyConfiguration `json:"volumeClaimTemplates,omitempty"`
-	ServiceName          *string                                          `json:"serviceName,omitempty"`
-	PodManagementPolicy  *v1beta2.PodManagementPolicyType                 `json:"podManagementPolicy,omitempty"`
-	UpdateStrategy       *StatefulSetUpdateStrategyApplyConfiguration     `json:"updateStrategy,omitempty"`
-	RevisionHistoryLimit *int32                                           `json:"revisionHistoryLimit,omitempty"`
-	MinReadySeconds      *int32                                           `json:"minReadySeconds,omitempty"`
+	Replicas                             *int32                                                             `json:"replicas,omitempty"`
+	Selector                             *v1.LabelSelectorApplyConfiguration                                `json:"selector,omitempty"`
+	Template                             *corev1.PodTemplateSpecApplyConfiguration                          `json:"template,omitempty"`
+	VolumeClaimTemplates                 []corev1.PersistentVolumeClaimApplyConfiguration                   `json:"volumeClaimTemplates,omitempty"`
+	ServiceName                          *string                                                            `json:"serviceName,omitempty"`
+	PodManagementPolicy                  *v1beta2.PodManagementPolicyType                                   `json:"podManagementPolicy,omitempty"`
+	UpdateStrategy                       *StatefulSetUpdateStrategyApplyConfiguration                       `json:"updateStrategy,omitempty"`
+	RevisionHistoryLimit                 *int32                                                             `json:"revisionHistoryLimit,omitempty"`
+	MinReadySeconds                      *int32                                                             `json:"minReadySeconds,omitempty"`
+	PersistentVolumeClaimRetentionPolicy *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration `json:"persistentVolumeClaimRetentionPolicy,omitempty"`
 }
 
 // StatefulSetSpecApplyConfiguration constructs an declarative configuration of the StatefulSetSpec type for use with
@@ -120,3 +121,11 @@ func (b *StatefulSetSpecApplyConfiguration) WithMinReadySeconds(value int32) *St
 	b.MinReadySeconds = &value
 	return b
 }
+
+// WithPersistentVolumeClaimRetentionPolicy sets the PersistentVolumeClaimRetentionPolicy field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the PersistentVolumeClaimRetentionPolicy field is set to the value of the last call.
+func (b *StatefulSetSpecApplyConfiguration) WithPersistentVolumeClaimRetentionPolicy(value *StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration) *StatefulSetSpecApplyConfiguration {
+	b.PersistentVolumeClaimRetentionPolicy = value
+	return b
+}
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go b/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go
index 079ef8dc27d..acd9061e04e 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go
@@ -907,12 +907,24 @@ var schemaYAML = typed.YAMLObject(`types:
       type:
         scalar: string
       default: ""
+- name: io.k8s.api.apps.v1.StatefulSetPersistentVolumeClaimRetentionPolicy
+  map:
+    fields:
+    - name: whenDeleted
+      type:
+        scalar: string
+    - name: whenScaled
+      type:
+        scalar: string
 - name: io.k8s.api.apps.v1.StatefulSetSpec
   map:
     fields:
     - name: minReadySeconds
       type:
         scalar: numeric
+    - name: persistentVolumeClaimRetentionPolicy
+      type:
+        namedType: io.k8s.api.apps.v1.StatefulSetPersistentVolumeClaimRetentionPolicy
     - name: podManagementPolicy
       type:
         scalar: string
@@ -1194,12 +1206,24 @@ var schemaYAML = typed.YAMLObject(`types:
       type:
         scalar: string
       default: ""
+- name: io.k8s.api.apps.v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy
+  map:
+    fields:
+    - name: whenDeleted
+      type:
+        scalar: string
+    - name: whenScaled
+      type:
+        scalar: string
 - name: io.k8s.api.apps.v1beta1.StatefulSetSpec
   map:
     fields:
     - name: minReadySeconds
       type:
         scalar: numeric
+    - name: persistentVolumeClaimRetentionPolicy
+      type:
+        namedType: io.k8s.api.apps.v1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy
     - name: podManagementPolicy
       type:
         scalar: string
@@ -1679,12 +1703,24 @@ var schemaYAML = typed.YAMLObject(`types:
       type:
         scalar: string
       default: ""
+- name: io.k8s.api.apps.v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy
+  map:
+    fields:
+    - name: whenDeleted
+      type:
+        scalar: string
+    - name: whenScaled
+      type:
+        scalar: string
 - name: io.k8s.api.apps.v1beta2.StatefulSetSpec
   map:
     fields:
     - name: minReadySeconds
       type:
         scalar: numeric
+    - name: persistentVolumeClaimRetentionPolicy
+      type:
+        namedType: io.k8s.api.apps.v1beta2.StatefulSetPersistentVolumeClaimRetentionPolicy
     - name: podManagementPolicy
       type:
         scalar: string
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/utils.go b/staging/src/k8s.io/client-go/applyconfigurations/utils.go
index 50103b5f565..cb5d14d881b 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/utils.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/utils.go
@@ -185,6 +185,8 @@ func ForKind(kind schema.GroupVersionKind) interface{} {
 		return &applyconfigurationsappsv1.StatefulSetApplyConfiguration{}
 	case appsv1.SchemeGroupVersion.WithKind("StatefulSetCondition"):
 		return &applyconfigurationsappsv1.StatefulSetConditionApplyConfiguration{}
+	case appsv1.SchemeGroupVersion.WithKind("StatefulSetPersistentVolumeClaimRetentionPolicy"):
+		return &applyconfigurationsappsv1.StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration{}
 	case appsv1.SchemeGroupVersion.WithKind("StatefulSetSpec"):
 		return &applyconfigurationsappsv1.StatefulSetSpecApplyConfiguration{}
 	case appsv1.SchemeGroupVersion.WithKind("StatefulSetStatus"):
@@ -215,6 +217,8 @@ func ForKind(kind schema.GroupVersionKind) interface{} {
 		return &applyconfigurationsappsv1beta1.StatefulSetApplyConfiguration{}
 	case appsv1beta1.SchemeGroupVersion.WithKind("StatefulSetCondition"):
 		return &applyconfigurationsappsv1beta1.StatefulSetConditionApplyConfiguration{}
+	case appsv1beta1.SchemeGroupVersion.WithKind("StatefulSetPersistentVolumeClaimRetentionPolicy"):
+		return &applyconfigurationsappsv1beta1.StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration{}
 	case appsv1beta1.SchemeGroupVersion.WithKind("StatefulSetSpec"):
 		return &applyconfigurationsappsv1beta1.StatefulSetSpecApplyConfiguration{}
 	case appsv1beta1.SchemeGroupVersion.WithKind("StatefulSetStatus"):
@@ -265,6 +269,8 @@ func ForKind(kind schema.GroupVersionKind) interface{} {
 		return &appsv1beta2.StatefulSetApplyConfiguration{}
 	case v1beta2.SchemeGroupVersion.WithKind("StatefulSetCondition"):
 		return &appsv1beta2.StatefulSetConditionApplyConfiguration{}
+	case v1beta2.SchemeGroupVersion.WithKind("StatefulSetPersistentVolumeClaimRetentionPolicy"):
+		return &appsv1beta2.StatefulSetPersistentVolumeClaimRetentionPolicyApplyConfiguration{}
 	case v1beta2.SchemeGroupVersion.WithKind("StatefulSetSpec"):
 		return &appsv1beta2.StatefulSetSpecApplyConfiguration{}
 	case v1beta2.SchemeGroupVersion.WithKind("StatefulSetStatus"):