feat(controller): Support cluster-preferred-endpoint-type valkey application configuration option

api/v1/valkey_types.go

@@ -88,6 +88,11 @@ type ValkeySpec struct {
 
 	// Node Selector
 	NodeSelector map[string]string `json:"nodeSelector,omitempty"`
+
+	// Which endpoint is shown as the preferred endpoint valid values are 'ip', 'hostname', or 'unknown-endpoint'.
+	// +kubebuilder:default:="ip"
+	// +kubebuilder:validation:Enum=ip;hostname;unknown-endpoint
+	ClusterPreferredEndpointType string `json:"clusterPreferredEndpointType,omitempty"`
 }
 
 // ExternalAccess defines the external access configuration

config/crd/bases/hyperspike.io_valkeys.yaml

@@ -80,6 +80,15 @@ spec:
                 default: cluster.local
                 description: Cluster Domain - used for DNS
                 type: string
+              clusterPreferredEndpointType:
+                default: ip
+                description: Which endpoint is shown as the preferred endpoint valid
+                  values are 'ip', 'hostname', or 'unknown-endpoint'.
+                enum:
+                - ip
+                - hostname
+                - unknown-endpoint
+                type: string
               exporterImage:
                 description: Exporter Image to use
                 type: string

internal/controller/scripts/valkey.conf

@@ -1746,7 +1746,7 @@ cluster-config-file /data/nodes.conf
 # the client to reach out on the same endpoint it used for making the last request, but use
 # the port provided in the response.
 
-cluster-preferred-endpoint-type hostname
+cluster-preferred-endpoint-type {{ .Spec.ClusterPreferredEndpointType }}
 
 ########################## CLUSTER DOCKER/NAT support  ########################