Update MaxUnavailableStatefulSet feature gate to beta

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

pkg/apis/apps/types.go

@@ -101,10 +101,10 @@ type RollingUpdateStatefulSetStrategy struct {
 	// The maximum number of pods that can be unavailable during the update.
 	// Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
 	// Absolute number is calculated from percentage by rounding up. This can not be 0.
-	// Defaults to 1. This field is alpha-level and is only honored by servers that enable the
-	// MaxUnavailableStatefulSet feature. The field applies to all pods in the range 0 to
+	// Defaults to 1. This field is beta-level and is enabled by default. The field applies to all pods in the range 0 to
 	// Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it
 	// will be counted towards MaxUnavailable.
+	// +featureGate=MaxUnavailableStatefulSet
 	// +optional
 	MaxUnavailable *intstr.IntOrString
 }

pkg/features/kube_features.go

@@ -1404,6 +1404,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 
 	MaxUnavailableStatefulSet: {
 		{Version: version.MustParse("1.24"), Default: false, PreRelease: featuregate.Alpha},
+		{Version: version.MustParse("1.35"), Default: true, PreRelease: featuregate.Beta},
 	},
 
 	MemoryManager: {

pkg/generated/openapi/zz_generated.openapi.go

@@ -8544,7 +8544,7 @@ func schema_k8sio_api_apps_v1_RollingUpdateStatefulSetStrategy(ref common.Refere
 					},
 					"maxUnavailable": {
 						SchemaProps: spec.SchemaProps{
-							Description: "The maximum number of pods that can be unavailable during the update. Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%). Absolute number is calculated from percentage by rounding up. This can not be 0. Defaults to 1. This field is alpha-level and is only honored by servers that enable the MaxUnavailableStatefulSet feature. The field applies to all pods in the range 0 to Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it will be counted towards MaxUnavailable.",
+							Description: "The maximum number of pods that can be unavailable during the update. Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%). Absolute number is calculated from percentage by rounding up. This can not be 0. Defaults to 1. This field is beta-level and is enabled by default. The field applies to all pods in the range 0 to Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it will be counted towards MaxUnavailable.",
 							Ref:         ref(intstr.IntOrString{}.OpenAPIModelName()),
 						},
 					},

staging/src/k8s.io/api/apps/v1/generated.proto

@@ -581,10 +581,10 @@ message RollingUpdateStatefulSetStrategy {
   // The maximum number of pods that can be unavailable during the update.
   // Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
   // Absolute number is calculated from percentage by rounding up. This can not be 0.
-  // Defaults to 1. This field is alpha-level and is only honored by servers that enable the
-  // MaxUnavailableStatefulSet feature. The field applies to all pods in the range 0 to
+  // Defaults to 1. This field is beta-level and is enabled by default. The field applies to all pods in the range 0 to
   // Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it
   // will be counted towards MaxUnavailable.
+  // +featureGate=MaxUnavailableStatefulSet
   // +optional
   optional .k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 2;
 }

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

@@ -123,10 +123,10 @@ type RollingUpdateStatefulSetStrategy struct {
 	// The maximum number of pods that can be unavailable during the update.
 	// Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
 	// Absolute number is calculated from percentage by rounding up. This can not be 0.
-	// Defaults to 1. This field is alpha-level and is only honored by servers that enable the
-	// MaxUnavailableStatefulSet feature. The field applies to all pods in the range 0 to
+	// Defaults to 1. This field is beta-level and is enabled by default. The field applies to all pods in the range 0 to
 	// Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it
 	// will be counted towards MaxUnavailable.
+	// +featureGate=MaxUnavailableStatefulSet
 	// +optional
 	MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty" protobuf:"varint,2,opt,name=maxUnavailable"`
 }

staging/src/k8s.io/api/apps/v1/types_swagger_doc_generated.go

@@ -285,7 +285,7 @@ func (RollingUpdateDeployment) SwaggerDoc() map[string]string {
 var map_RollingUpdateStatefulSetStrategy = map[string]string{
 	"":               "RollingUpdateStatefulSetStrategy is used to communicate parameter for RollingUpdateStatefulSetStrategyType.",
 	"partition":      "Partition indicates the ordinal at which the StatefulSet should be partitioned for updates. During a rolling update, all pods from ordinal Replicas-1 to Partition are updated. All pods from ordinal Partition-1 to 0 remain untouched. This is helpful in being able to do a canary based deployment. The default value is 0.",
-	"maxUnavailable": "The maximum number of pods that can be unavailable during the update. Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%). Absolute number is calculated from percentage by rounding up. This can not be 0. Defaults to 1. This field is alpha-level and is only honored by servers that enable the MaxUnavailableStatefulSet feature. The field applies to all pods in the range 0 to Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it will be counted towards MaxUnavailable.",
+	"maxUnavailable": "The maximum number of pods that can be unavailable during the update. Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%). Absolute number is calculated from percentage by rounding up. This can not be 0. Defaults to 1. This field is beta-level and is enabled by default. The field applies to all pods in the range 0 to Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it will be counted towards MaxUnavailable.",
 }
 
 func (RollingUpdateStatefulSetStrategy) SwaggerDoc() map[string]string {

staging/src/k8s.io/client-go/applyconfigurations/apps/v1/rollingupdatestatefulsetstrategy.go

@@ -35,8 +35,7 @@ type RollingUpdateStatefulSetStrategyApplyConfiguration struct {
 	// The maximum number of pods that can be unavailable during the update.
 	// Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
 	// Absolute number is calculated from percentage by rounding up. This can not be 0.
-	// Defaults to 1. This field is alpha-level and is only honored by servers that enable the
-	// MaxUnavailableStatefulSet feature. The field applies to all pods in the range 0 to
+	// Defaults to 1. This field is beta-level and is enabled by default. The field applies to all pods in the range 0 to
 	// Replicas-1. That means if there is any unavailable pod in the range 0 to Replicas-1, it
 	// will be counted towards MaxUnavailable.
 	MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty"`

test/compatibility_lifecycle/reference/versioned_feature_list.yaml

@@ -957,6 +957,10 @@
     lockToDefault: false
     preRelease: Alpha
     version: "1.24"
+  - default: true
+    lockToDefault: false
+    preRelease: Beta
+    version: "1.34"
 - name: MemoryManager
   versionedSpecs:
   - default: false