fix: set defaults and validation

Author: dkoshkin

api/v1alpha1/common_types.go

@@ -3,7 +3,16 @@
 
 package v1alpha1
 
-import clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
+import (
+	"k8s.io/utils/ptr"
+	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
+
+	"github.com/d2iq-labs/cluster-api-runtime-extensions-nutanix/api/variables"
+)
+
+const (
+	APIServerPort = 6443
+)
 
 // ObjectMeta is metadata that all persisted resources must have, which includes all objects
 // users must create. This is a copy of customizable fields from metav1.ObjectMeta.
@@ -31,18 +40,23 @@ type ControlPlaneEndpointSpec clusterv1.APIEndpoint
 func (ControlPlaneEndpointSpec) VariableSchema() clusterv1.VariableSchema {
 	return clusterv1.VariableSchema{
 		OpenAPIV3Schema: clusterv1.JSONSchemaProps{
-			Description: "Nutanix control-plane endpoint configuration",
+			Description: "Kubernetes control-plane endpoint configuration",
 			Type:        "object",
 			Properties: map[string]clusterv1.JSONSchemaProps{
 				"host": {
 					Description: "host ip/fqdn for control plane API Server",
 					Type:        "string",
+					MinLength:   ptr.To[int64](1),
 				},
 				"port": {
 					Description: "port for control plane API Server",
 					Type:        "integer",
+					Default:     variables.MustMarshal(APIServerPort),
+					Minimum:     ptr.To[int64](1),
+					Maximum:     ptr.To[int64](65535),
 				},
 			},
+			Required: []string{"host", "port"},
 		},
 	}
 }

api/v1alpha1/nutanix_clusterconfig_types.go

@@ -5,7 +5,14 @@ package v1alpha1
 
 import (
 	corev1 "k8s.io/api/core/v1"
+	"k8s.io/utils/ptr"
 	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
+
+	"github.com/d2iq-labs/cluster-api-runtime-extensions-nutanix/api/variables"
+)
+
+const (
+	PrismCentralPort = 9440
 )
 
 // NutanixSpec defines the desired state of NutanixCluster.
@@ -61,10 +68,14 @@ func (NutanixPrismCentralEndpointSpec) VariableSchema() clusterv1.VariableSchema
 				"address": {
 					Description: "the endpoint address (DNS name or IP address) of the Nutanix Prism Central",
 					Type:        "string",
+					MinLength:   ptr.To[int64](1),
 				},
 				"port": {
 					Description: "The port number to access the Nutanix Prism Central",
 					Type:        "integer",
+					Default:     variables.MustMarshal(PrismCentralPort),
+					Minimum:     ptr.To[int64](1),
+					Maximum:     ptr.To[int64](65535),
 				},
 				"insecure": {
 					Description: "Use insecure connection to Prism Central endpoint",