expose cluster load balancer spec and metadata via KubevirtCluster re…

…source

Signed-off-by: Alex Gradouski <[email protected]>

api/v1alpha1/kubevirtcluster_types.go

@@ -43,12 +43,15 @@ type KubevirtClusterSpec struct {
 	ControlPlaneEndpoint APIEndpoint `json:"controlPlaneEndpoint,omitempty"`
 
 	// SSHKeys is a reference to a local struct for SSH keys persistence.
+	// +optional
 	SshKeys SSHKeys `json:"sshKeys,omitempty"`
 
 	// InfraClusterSecretRef is a reference to a secret with a kubeconfig for external cluster used for infra.
+	// +optional
 	InfraClusterSecretRef *corev1.ObjectReference `json:"infraClusterSecretRef,omitempty"`
 
-	// LoadBalancerServiceTemplate is a load balancer service template.
+	// LoadBalancerServiceTemplate describes load balancer service template.
+	// +optional
 	LoadBalancerServiceTemplate LoadBalancerServiceTemplate `json:"loadBalancerServiceTemplate,omitempty"`
 }
 
@@ -90,12 +93,22 @@ type SSHKeys struct {
 
 // LoadBalancerServiceTemplate describes the template for the cluster load balancer service.
 type LoadBalancerServiceTemplate struct {
+	// Service metadata.
 	// +kubebuilder:pruning:PreserveUnknownFields
 	// +nullable
-	// Service metadata.
 	ObjectMeta metav1.ObjectMeta `json:"metadata,omitempty"`
 	// Service specification.
-	Spec corev1.ServiceSpec `json:"spec,omitempty" valid:"required"`
+	// +optional
+	Spec ServiceSpecTemplate `json:"spec,omitempty"`
+}
+
+// ServiceSpecTemplate describes the service spec template.
+type ServiceSpecTemplate struct {
+	// Type determines how the Service is exposed. Defaults to ClusterIP. Valid
+	// options are ExternalName, ClusterIP, NodePort, and LoadBalancer.
+	// More info: https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
+	// +optional
+	Type corev1.ServiceType `json:"type,omitempty"`
 }
 
 // +kubebuilder:resource:path=kubevirtclusters,scope=Namespaced,categories=cluster-api