Promote Immutable Secrets/ConfigMaps feature to Beta

Author: wojtek-t

pkg/apis/core/types.go

@@ -4780,7 +4780,7 @@ type Secret struct {
 
 	// Immutable field, if set, ensures that data stored in the Secret cannot
 	// be updated (only object metadata can be modified).
-	// This is an alpha field enabled by ImmutableEphemeralVolumes feature gate.
+	// This is a beta field enabled by ImmutableEphemeralVolumes feature gate.
 	// +optional
 	Immutable *bool
 
@@ -4908,7 +4908,7 @@ type ConfigMap struct {
 
 	// Immutable field, if set, ensures that data stored in the ConfigMap cannot
 	// be updated (only object metadata can be modified).
-	// This is an alpha field enabled by ImmutableEphemeralVolumes feature gate.
+	// This is a beta field enabled by ImmutableEphemeralVolumes feature gate.
 	// +optional
 	Immutable *bool
 

pkg/features/kube_features.go

@@ -543,6 +543,7 @@ const (
 
 	// owner: @wojtek-t
 	// alpha: v1.18
+	// beta: v1.19
 	//
 	// Enables a feature to make secrets and configmaps data immutable.
 	ImmutableEphemeralVolumes featuregate.Feature = "ImmutableEphemeralVolumes"
@@ -657,7 +658,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	PodDisruptionBudget:                            {Default: true, PreRelease: featuregate.Beta},
 	ServiceTopology:                                {Default: false, PreRelease: featuregate.Alpha},
 	ServiceAppProtocol:                             {Default: true, PreRelease: featuregate.Beta},
-	ImmutableEphemeralVolumes:                      {Default: false, PreRelease: featuregate.Alpha},
+	ImmutableEphemeralVolumes:                      {Default: true, PreRelease: featuregate.Beta},
 	DefaultIngressClass:                            {Default: true, PreRelease: featuregate.Beta},
 	HugePageStorageMediumSize:                      {Default: false, PreRelease: featuregate.Alpha},
 	ExternalPolicyForExternalIP:                    {Default: false, PreRelease: featuregate.GA}, // remove in 1.19

staging/src/k8s.io/api/core/v1/types.go

@@ -5495,7 +5495,7 @@ type Secret struct {
 	// be updated (only object metadata can be modified).
 	// If not set to true, the field can be modified at any time.
 	// Defaulted to nil.
-	// This is an alpha field enabled by ImmutableEphemeralVolumes feature gate.
+	// This is a beta field enabled by ImmutableEphemeralVolumes feature gate.
 	// +optional
 	Immutable *bool `json:"immutable,omitempty" protobuf:"varint,5,opt,name=immutable"`
 
@@ -5636,7 +5636,7 @@ type ConfigMap struct {
 	// be updated (only object metadata can be modified).
 	// If not set to true, the field can be modified at any time.
 	// Defaulted to nil.
-	// This is an alpha field enabled by ImmutableEphemeralVolumes feature gate.
+	// This is a beta field enabled by ImmutableEphemeralVolumes feature gate.
 	// +optional
 	Immutable *bool `json:"immutable,omitempty" protobuf:"varint,4,opt,name=immutable"`
 

test/e2e/common/configmap_volume.go

@@ -554,7 +554,7 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 
 	// It should be forbidden to change data for configmaps marked as immutable, but
 	// allowed to modify its metadata independently of its state.
-	ginkgo.It("should be immutable if `immutable` field is set [Feature:ImmutableEphemeralVolume]", func() {
+	ginkgo.It("should be immutable if `immutable` field is set", func() {
 		name := "immutable"
 		configMap := newConfigMap(f, name)
 

test/e2e/common/secrets_volume.go

@@ -372,7 +372,7 @@ var _ = ginkgo.Describe("[sig-storage] Secrets", func() {
 
 	// It should be forbidden to change data for secrets marked as immutable, but
 	// allowed to modify its metadata independently of its state.
-	ginkgo.It("should be immutable if `immutable` field is set [Feature:ImmutableEphemeralVolume]", func() {
+	ginkgo.It("should be immutable if `immutable` field is set", func() {
 		name := "immutable"
 		secret := secretForTest(f.Namespace.Name, name)