support client connection configuration to provide QPS and burst

pkg/apis/componentconfig/types.go

@@ -34,6 +34,7 @@ type DeschedulerConfiguration struct {
 
 	// KubeconfigFile is path to kubeconfig file with authorization and master
 	// location information.
+	// Deprecated: Use clientConnection.kubeConfig instead.
 	KubeconfigFile string
 
 	// PolicyConfigFile is the filepath to the descheduler policy configuration.
@@ -58,6 +59,10 @@ type DeschedulerConfiguration struct {
 	LeaderElection componentbaseconfig.LeaderElectionConfiguration
 
 	// Logging specifies the options of logging.
-	// Refer [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
+	// Refer to [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
 	Logging registry.LoggingConfiguration
+
+	// ClientConnection specifies the kubeconfig file and client connection settings to use when communicating with the apiserver.
+	// Refer to [ClientConnection](https://pkg.go.dev/k8s.io/kubernetes/pkg/apis/componentconfig#ClientConnectionConfiguration) for more information.
+	ClientConnection componentbaseconfig.ClientConnectionConfiguration
 }

pkg/apis/componentconfig/v1alpha1/types.go

@@ -34,6 +34,7 @@ type DeschedulerConfiguration struct {
 
 	// KubeconfigFile is path to kubeconfig file with authorization and master
 	// location information.
+	// Deprecated: Use clientConnection.kubeConfig instead.
 	KubeconfigFile string `json:"kubeconfigFile"`
 
 	// PolicyConfigFile is the filepath to the descheduler policy configuration.
@@ -58,6 +59,10 @@ type DeschedulerConfiguration struct {
 	LeaderElection componentbaseconfig.LeaderElectionConfiguration `json:"leaderElection,omitempty"`
 
 	// Logging specifies the options of logging.
-	// Refer [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
+	// Refer to [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
 	Logging registry.LoggingConfiguration `json:"logging,omitempty"`
+
+	// ClientConnection specifies the kubeconfig file and client connection settings to use when communicating with the apiserver.
+	// Refer to [ClientConnection](https://pkg.go.dev/k8s.io/kubernetes/pkg/apis/componentconfig#ClientConnectionConfiguration) for more information.
+	ClientConnection componentbaseconfig.ClientConnectionConfiguration `json:"clientConnection,omitempty"`
 }

pkg/apis/componentconfig/v1alpha1/zz_generated.conversion.go

@@ -60,6 +60,7 @@ func autoConvert_v1alpha1_DeschedulerConfiguration_To_componentconfig_Deschedule
 	out.IgnorePVCPods = in.IgnorePVCPods
 	out.LeaderElection = in.LeaderElection
 	out.Logging = in.Logging
+	out.ClientConnection = in.ClientConnection
 	return nil
 }
 
@@ -79,6 +80,7 @@ func autoConvert_componentconfig_DeschedulerConfiguration_To_v1alpha1_Deschedule
 	out.IgnorePVCPods = in.IgnorePVCPods
 	out.LeaderElection = in.LeaderElection
 	out.Logging = in.Logging
+	out.ClientConnection = in.ClientConnection
 	return nil
 }
 

pkg/apis/componentconfig/v1alpha1/zz_generated.deepcopy.go

@@ -31,6 +31,7 @@ func (in *DeschedulerConfiguration) DeepCopyInto(out *DeschedulerConfiguration)
 	out.TypeMeta = in.TypeMeta
 	out.LeaderElection = in.LeaderElection
 	in.Logging.DeepCopyInto(&out.Logging)
+	out.ClientConnection = in.ClientConnection
 	return
 }
 

pkg/apis/componentconfig/zz_generated.deepcopy.go

@@ -31,6 +31,7 @@ func (in *DeschedulerConfiguration) DeepCopyInto(out *DeschedulerConfiguration)
 	out.TypeMeta = in.TypeMeta
 	out.LeaderElection = in.LeaderElection
 	in.Logging.DeepCopyInto(&out.Logging)
+	out.ClientConnection = in.ClientConnection
 	return
 }