rebase: update kubernetes to v1.25.0

update kubernetes to latest v1.25.0
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/apiserver/pkg/admission/initializer/initializer.go

@@ -29,6 +29,7 @@ type pluginInitializer struct {
 	externalInformers informers.SharedInformerFactory
 	authorizer        authorizer.Authorizer
 	featureGates      featuregate.FeatureGate
+	stopCh            <-chan struct{}
 }
 
 // New creates an instance of admission plugins initializer.
@@ -39,19 +40,26 @@ func New(
 	extInformers informers.SharedInformerFactory,
 	authz authorizer.Authorizer,
 	featureGates featuregate.FeatureGate,
+	stopCh <-chan struct{},
 ) pluginInitializer {
 	return pluginInitializer{
 		externalClient:    extClientset,
 		externalInformers: extInformers,
 		authorizer:        authz,
 		featureGates:      featureGates,
+		stopCh:            stopCh,
 	}
 }
 
 // Initialize checks the initialization interfaces implemented by a plugin
 // and provide the appropriate initialization data
 func (i pluginInitializer) Initialize(plugin admission.Interface) {
-	// First tell the plugin about enabled features, so it can decide whether to start informers or not
+	// First tell the plugin about drained notification, so it can pass it to further initializations.
+	if wants, ok := plugin.(WantsDrainedNotification); ok {
+		wants.SetDrainedNotification(i.stopCh)
+	}
+
+	// Second tell the plugin about enabled features, so it can decide whether to start informers or not
 	if wants, ok := plugin.(WantsFeatures); ok {
 		wants.InspectFeatureGates(i.featureGates)
 	}

vendor/k8s.io/apiserver/pkg/admission/initializer/interfaces.go

@@ -49,12 +49,21 @@ type WantsQuotaConfiguration interface {
 	admission.InitializationValidator
 }
 
+// WantsDrainedNotification defines a function which sets the notification of where the apiserver
+// has already been drained for admission plugins that need it.
+// After receiving that notification, Admit/Validate calls won't be called anymore.
+type WantsDrainedNotification interface {
+	SetDrainedNotification(<-chan struct{})
+	admission.InitializationValidator
+}
+
 // WantsFeatureGate defines a function which passes the featureGates for inspection by an admission plugin.
 // Admission plugins should not hold a reference to the featureGates.  Instead, they should query a particular one
 // and assign it to a simple bool in the admission plugin struct.
-// func (a *admissionPlugin) InspectFeatureGates(features featuregate.FeatureGate){
-//     a.myFeatureIsOn = features.Enabled("my-feature")
-// }
+//
+//	func (a *admissionPlugin) InspectFeatureGates(features featuregate.FeatureGate){
+//	    a.myFeatureIsOn = features.Enabled("my-feature")
+//	}
 type WantsFeatures interface {
 	InspectFeatureGates(featuregate.FeatureGate)
 	admission.InitializationValidator

vendor/k8s.io/apiserver/pkg/admission/plugin/webhook/namespace/matcher.go

@@ -45,7 +45,7 @@ func (m *Matcher) Validate() error {
 		errs = append(errs, fmt.Errorf("the namespace matcher requires a namespaceLister"))
 	}
 	if m.Client == nil {
-		errs = append(errs, fmt.Errorf("the namespace matcher requires a namespaceLister"))
+		errs = append(errs, fmt.Errorf("the namespace matcher requires a client"))
 	}
 	return utilerrors.NewAggregate(errs)
 }