update endpoint of endpointsExposure in serverConfiguration

Signed-off-by: Zhiwei Yin <[email protected]>

Author: zhiweiyin318

operator/v1/0000_01_operator.open-cluster-management.io_clustermanagers.crd.yaml

@@ -567,18 +567,19 @@ spec:
                             endpoint.
                           properties:
                             hostname:
-                              description: hostname points to a fixed hostname for
-                                serving agents' handshakes.
+                              description: hostname points to a fixed hostname or
+                                customized ca for serving agents' handshakes.
                               properties:
                                 caBundle:
-                                  description: caBundle of the endpoint.
+                                  description: CABundle is a customized caBundle of
+                                    the endpoint.
                                   format: byte
                                   type: string
                                 host:
-                                  description: host is the host name of the endpoint.
+                                  description: |-
+                                    Host is the host name of the endpoint.
+                                    Host must be set if the type is hostname and could be empty if the type is loadBalancer or route.
                                   type: string
-                              required:
-                              - host
                               type: object
                             type:
                               default: hostname
@@ -587,6 +588,8 @@ spec:
                                 You may need to apply an object to expose the endpoint, for example: a route.
                               enum:
                               - hostname
+                              - loadBalancer
+                              - route
                               type: string
                           required:
                           - type
@@ -596,18 +599,19 @@ spec:
                             endpoint.
                           properties:
                             hostname:
-                              description: hostname points to a fixed hostname for
-                                serving agents' handshakes.
+                              description: hostname points to a fixed hostname or
+                                customized ca for serving agents' handshakes.
                               properties:
                                 caBundle:
-                                  description: caBundle of the endpoint.
+                                  description: CABundle is a customized caBundle of
+                                    the endpoint.
                                   format: byte
                                   type: string
                                 host:
-                                  description: host is the host name of the endpoint.
+                                  description: |-
+                                    Host is the host name of the endpoint.
+                                    Host must be set if the type is hostname and could be empty if the type is loadBalancer or route.
                                   type: string
-                              required:
-                              - host
                               type: object
                             type:
                               default: hostname
@@ -616,6 +620,8 @@ spec:
                                 You may need to apply an object to expose the endpoint, for example: a route.
                               enum:
                               - hostname
+                              - loadBalancer
+                              - route
                               type: string
                           required:
                           - type

operator/v1/types_clustermanager.go

@@ -197,34 +197,40 @@ type EndpointExposure struct {
 type Endpoint struct {
 	// type specifies how the endpoint is exposed.
 	// You may need to apply an object to expose the endpoint, for example: a route.
-	// TODO: support loadbalancer.
 	// +kubebuilder:default:=hostname
-	// +kubebuilder:validation:Enum=hostname
+	// +kubebuilder:validation:Enum=hostname; loadBalancer; route
 	// +required
 	Type EndpointExposureType `json:"type,omitempty"`
 
-	// hostname points to a fixed hostname for serving agents' handshakes.
+	// hostname points to a fixed hostname or customized ca for serving agents' handshakes.
 	// +optional
 	Hostname *HostnameConfig `json:"hostname,omitempty"`
 }
 
-// HostnameConfig references a fixed hostname.
+// HostnameConfig references a fixed hostname or customized ca.
 type HostnameConfig struct {
-	// host is the host name of the endpoint.
-	// +required
+	// Host is the host name of the endpoint.
+	// Host must be set if the type is hostname and could be empty if the type is loadBalancer or route.
+	// +optional
 	Host string `json:"host"`
 
-	// caBundle of the endpoint.
+	// CABundle is a customized caBundle of the endpoint.
 	// +optional
 	CABundle []byte `json:"caBundle,omitempty"`
 }
 
-// GRPCEndpointExposureType represents the type of endpoint exposure for gRPC.
+// EndpointExposureType represents the type of endpoint exposure for gRPC.
 type EndpointExposureType string
 
 const (
 	// EndpointTypeHostname is the endpoint exposure type for hostname.
 	EndpointTypeHostname EndpointExposureType = "hostname"
+
+	// EndpointTypeLoadBalancer is the endpoint exposure type for load balancer.
+	EndpointTypeLoadBalancer EndpointExposureType = "loadBalancer"
+
+	// EndpointTypeRoute is the endpoint exposure type for route.
+	EndpointTypeRoute EndpointExposureType = "route"
 )
 
 type CSRConfig struct {