add QPS and burst for the agent components

Signed-off-by: ZhiweiYin <zyin@redhat.com>

crdsv1beta1/0001_00_operator.open-cluster-management.io_klusterlets.crd.yaml

@@ -115,6 +115,10 @@ spec:
               description: RegistrationConfiguration contains the configuration of registration
               type: object
               properties:
+                burst:
+                  description: 'KubeAPIBurst indicates the maximum burst of the throttle while talking with apiserver of hub cluster from the spoke cluster. If it is set empty, use the default value: 100'
+                  type: integer
+                  default: 100
                 clientCertExpirationSeconds:
                   description: clientCertExpirationSeconds represents the seconds of a client certificate to expire. If it is not set or 0, the default duration seconds will be set by the hub cluster. If the value is larger than the max signing duration seconds set on the hub cluster, the max signing duration seconds will be set.
                   type: integer
@@ -142,6 +146,11 @@ spec:
                         enum:
                           - Enable
                           - Disable
+                qps:
+                  description: 'KubeAPIQPS indicates the maximum QPS while talking with apiserver of hub cluster from the spoke cluster. If it is set empty, use the default value: 50'
+                  type: string
+                  default: 50
+                  pattern: ^(-?\d+)(.\d+)?$
             registrationImagePullSpec:
               description: RegistrationImagePullSpec represents the desired image configuration of registration agent. quay.io/open-cluster-management.io/registration:latest will be used if unspecified.
               type: string
@@ -159,6 +168,10 @@ spec:
               description: WorkConfiguration contains the configuration of work
               type: object
               properties:
+                burst:
+                  description: 'KubeAPIBurst indicates the maximum burst of the throttle while talking with apiserver of hub cluster from the spoke cluster. If it is set empty, use the default value: 100'
+                  type: integer
+                  default: 100
                 featureGates:
                   description: "FeatureGates represents the list of feature gates for work If it is set empty, default feature gates will be used. If it is set, featuregate/Foo is an example of one item in FeatureGates:   1. If featuregate/Foo does not exist, registration-operator will discard it   2. If featuregate/Foo exists and is false by default. It is now possible to set featuregate/Foo=[false|true]   3. If featuregate/Foo exists and is true by default. If a cluster-admin upgrading from 1 to 2 wants to continue having featuregate/Foo=false,  \the can set featuregate/Foo=false before upgrading. Let's say the cluster-admin wants featuregate/Foo=false."
                   type: array
@@ -177,6 +190,11 @@ spec:
                         enum:
                           - Enable
                           - Disable
+                qps:
+                  description: 'KubeAPIQPS indicates the maximum QPS while talking with apiserver of hub cluster from the spoke cluster. If it is set empty, use the default value: 50'
+                  type: string
+                  default: 50
+                  pattern: ^(-?\d+)(.\d+)?$
             workImagePullSpec:
               description: WorkImagePullSpec represents the desired image configuration of work agent. quay.io/open-cluster-management.io/work:latest will be used if unspecified.
               type: string

operator/v1/0000_00_operator.open-cluster-management.io_klusterlets.crd.yaml

@@ -176,6 +176,12 @@ spec:
                 description: RegistrationConfiguration contains the configuration
                   of registration
                 properties:
+                  burst:
+                    default: 100
+                    description: 'KubeAPIBurst indicates the maximum burst of the
+                      throttle while talking with apiserver of hub cluster from the
+                      spoke cluster. If it is set empty, use the default value: 100'
+                    type: integer
                   clientCertExpirationSeconds:
                     description: clientCertExpirationSeconds represents the seconds
                       of a client certificate to expire. If it is not set or 0, the
@@ -223,6 +229,13 @@ spec:
                       - feature
                       type: object
                     type: array
+                  qps:
+                    default: 50
+                    description: 'KubeAPIQPS indicates the maximum QPS while talking
+                      with apiserver of hub cluster from the spoke cluster. If it
+                      is set empty, use the default value: 50'
+                    pattern: ^(-?\d+)(.\d+)?$
+                    type: string
                 type: object
               registrationImagePullSpec:
                 description: RegistrationImagePullSpec represents the desired image
@@ -243,6 +256,12 @@ spec:
               workConfiguration:
                 description: WorkConfiguration contains the configuration of work
                 properties:
+                  burst:
+                    default: 100
+                    description: 'KubeAPIBurst indicates the maximum burst of the
+                      throttle while talking with apiserver of hub cluster from the
+                      spoke cluster. If it is set empty, use the default value: 100'
+                    type: integer
                   featureGates:
                     description: 'FeatureGates represents the list of feature gates
                       for work If it is set empty, default feature gates will be used.
@@ -274,6 +293,13 @@ spec:
                       - feature
                       type: object
                     type: array
+                  qps:
+                    default: 50
+                    description: 'KubeAPIQPS indicates the maximum QPS while talking
+                      with apiserver of hub cluster from the spoke cluster. If it
+                      is set empty, use the default value: 50'
+                    pattern: ^(-?\d+)(.\d+)?$
+                    type: string
                 type: object
               workImagePullSpec:
                 description: WorkImagePullSpec represents the desired image configuration

operator/v1/types_klusterlet.go

@@ -80,7 +80,7 @@ type KlusterletSpec struct {
 
 	// WorkConfiguration contains the configuration of work
 	// +optional
-	WorkConfiguration *WorkConfiguration `json:"workConfiguration,omitempty"`
+	WorkConfiguration *WorkAgentConfiguration `json:"workConfiguration,omitempty"`
 
 	// HubApiServerHostAlias contains the host alias for hub api server.
 	// registration-agent and work-agent will use it to communicate with hub api server.
@@ -157,6 +157,44 @@ type RegistrationConfiguration struct {
 	// ManagedCluster when creating only, other actors can update it afterwards.
 	// +optional
 	ClusterAnnotations map[string]string `json:"clusterAnnotations,omitempty"`
+
+	// KubeAPIQPS indicates the maximum QPS while talking with apiserver of hub cluster from the spoke cluster.
+	// If it is set empty, use the default value: 50
+	// +optional
+	// +kubebuilder:default:=50
+	// +kubebuilder:validation:Pattern=^(-?\d+)(.\d+)?$
+	KubeAPIQPS string `json:"qps,omitempty"`
+
+	// KubeAPIBurst indicates the maximum burst of the throttle while talking with apiserver of hub cluster from the spoke cluster.
+	// If it is set empty, use the default value: 100
+	// +optional
+	// +kubebuilder:default:=100
+	KubeAPIBurst int `json:"burst,omitempty"`
+}
+
+type WorkAgentConfiguration struct {
+	// FeatureGates represents the list of feature gates for work
+	// If it is set empty, default feature gates will be used.
+	// If it is set, featuregate/Foo is an example of one item in FeatureGates:
+	//   1. If featuregate/Foo does not exist, registration-operator will discard it
+	//   2. If featuregate/Foo exists and is false by default. It is now possible to set featuregate/Foo=[false|true]
+	//   3. If featuregate/Foo exists and is true by default. If a cluster-admin upgrading from 1 to 2 wants to continue having featuregate/Foo=false,
+	//  	he can set featuregate/Foo=false before upgrading. Let's say the cluster-admin wants featuregate/Foo=false.
+	// +optional
+	FeatureGates []FeatureGate `json:"featureGates,omitempty"`
+
+	// KubeAPIQPS indicates the maximum QPS while talking with apiserver of hub cluster from the spoke cluster.
+	// If it is set empty, use the default value: 50
+	// +optional
+	// +kubebuilder:default:=50
+	// +kubebuilder:validation:Pattern=^(-?\d+)(.\d+)?$
+	KubeAPIQPS string `json:"qps,omitempty"`
+
+	// KubeAPIBurst indicates the maximum burst of the throttle while talking with apiserver of hub cluster from the spoke cluster.
+	// If it is set empty, use the default value: 100
+	// +optional
+	// +kubebuilder:default:=100
+	KubeAPIBurst int `json:"burst,omitempty"`
 }
 
 const (