Add alpha feature gate KubeletPSI

Author: roycaihw

pkg/features/kube_features.go

@@ -403,6 +403,12 @@ const (
 	// Enable POD resources API with Get method
 	KubeletPodResourcesGet featuregate.Feature = "KubeletPodResourcesGet"
 
+	// KubeletPSI enables Kubelet to surface PSI metrics
+	// owner: @roycaihw
+	// kep: https://kep.k8s.io/4205
+	// alpha: v1.33
+	KubeletPSI featuregate.Feature = "KubeletPSI"
+
 	// owner: @kannon92
 	// kep: https://kep.k8s.io/4191
 	//
@@ -1417,6 +1423,10 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 		{Version: version.MustParse("1.27"), Default: false, PreRelease: featuregate.Alpha},
 	},
 
+	KubeletPSI: {
+		{Version: version.MustParse("1.33"), Default: false, PreRelease: featuregate.Alpha},
+	},
+
 	KubeletRegistrationGetOnExistsOnly: {
 		{Version: version.MustParse("1.0"), Default: true, PreRelease: featuregate.GA},
 		{Version: version.MustParse("1.32"), Default: false, PreRelease: featuregate.Deprecated},

test/compatibility_lifecycle/reference/versioned_feature_list.yaml

@@ -719,6 +719,12 @@
     lockToDefault: false
     preRelease: Alpha
     version: "1.27"
+- name: KubeletPSI
+  versionedSpecs:
+  - default: false
+    lockToDefault: false
+    preRelease: Alpha
+    version: "1.33"
 - name: KubeletRegistrationGetOnExistsOnly
   versionedSpecs:
   - default: true