refactor: combine PC host and port into a single url var

api/openapi/patterns/anchored.go

@@ -6,3 +6,7 @@ package patterns
 func Anchored(pattern string) string {
 	return "^" + pattern + "$"
 }
+
+func HTTPSURL() string {
+	return `^https://`
+}

api/v1alpha1/nutanix_clusterconfig_types.go

@@ -8,11 +8,11 @@ import (
 	"k8s.io/utils/ptr"
 	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
 
-	"github.com/d2iq-labs/cluster-api-runtime-extensions-nutanix/api/variables"
+	"github.com/d2iq-labs/cluster-api-runtime-extensions-nutanix/api/openapi/patterns"
 )
 
 const (
-	PrismCentralPort = 9440
+	DefaultPrismCentralPort = 9440
 )
 
 // NutanixSpec defines the desired state of NutanixCluster.
@@ -39,11 +39,8 @@ func (NutanixSpec) VariableSchema() clusterv1.VariableSchema {
 }
 
 type NutanixPrismCentralEndpointSpec struct {
-	// host is the DNS name or IP address of the Nutanix Prism Central
-	Host string `json:"host"`
-
-	// port is the port number to access the Nutanix Prism Central
-	Port int32 `json:"port"`
+	// The URL of Nutanix Prism Central, can be DNS name or an IP address
+	URL string `json:"url"`
 
 	// use insecure connection to Prism Central endpoint
 	// +optional
@@ -65,17 +62,12 @@ func (NutanixPrismCentralEndpointSpec) VariableSchema() clusterv1.VariableSchema
 			Description: "Nutanix Prism Central endpoint configuration",
 			Type:        "object",
 			Properties: map[string]clusterv1.JSONSchemaProps{
-				"host": {
-					Description: "the DNS name or IP address of the Nutanix Prism Central",
+				"url": {
+					Description: "The URL of Nutanix Prism Central, can be DNS name or an IP address",
 					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),
+					Format:      "uri",
+					Pattern:     patterns.HTTPSURL(),
 				},
 				"insecure": {
 					Description: "Use insecure connection to Prism Central endpoint",
@@ -103,7 +95,7 @@ func (NutanixPrismCentralEndpointSpec) VariableSchema() clusterv1.VariableSchema
 					Required: []string{"name"},
 				},
 			},
-			Required: []string{"host", "port", "credentials"},
+			Required: []string{"url", "credentials"},
 		},
 	}
 }

docs/content/customization/nutanix/prism-central-endpoint.md

@@ -22,9 +22,8 @@ spec:
             prismCentralEndpoint:
               credentials:
                 name: secret-name
-              host: x.x.x.x
+              url: https://x.x.x.x:9440
               insecure: false
-              port: 9440
 ```
 
 Applying this configuration will result in the following value being set:

examples/capi-quick-start/nutanix-cluster-calico-crs.yaml

@@ -343,9 +343,8 @@ spec:
           prismCentralEndpoint:
             credentials:
               name: ${CLUSTER_NAME}-pc-creds
-            host: ${NUTANIX_ENDPOINT}
             insecure: ${NUTANIX_INSECURE}
-            port: 9440
+            url: https://${NUTANIX_ENDPOINT}:9440
     - name: workerConfig
       value:
         nutanix:

examples/capi-quick-start/nutanix-cluster-calico-helm-addon.yaml

@@ -343,9 +343,8 @@ spec:
           prismCentralEndpoint:
             credentials:
               name: ${CLUSTER_NAME}-pc-creds
-            host: ${NUTANIX_ENDPOINT}
             insecure: ${NUTANIX_INSECURE}
-            port: 9440
+            url: https://${NUTANIX_ENDPOINT}:9440
     - name: workerConfig
       value:
         nutanix:

examples/capi-quick-start/nutanix-cluster-cilium-crs.yaml

@@ -343,9 +343,8 @@ spec:
           prismCentralEndpoint:
             credentials:
               name: ${CLUSTER_NAME}-pc-creds
-            host: ${NUTANIX_ENDPOINT}
             insecure: ${NUTANIX_INSECURE}
-            port: 9440
+            url: https://${NUTANIX_ENDPOINT}:9440
     - name: workerConfig
       value:
         nutanix:

examples/capi-quick-start/nutanix-cluster-cilium-helm-addon.yaml

@@ -343,9 +343,8 @@ spec:
           prismCentralEndpoint:
             credentials:
               name: ${CLUSTER_NAME}-pc-creds
-            host: ${NUTANIX_ENDPOINT}
             insecure: ${NUTANIX_INSECURE}
-            port: 9440
+            url: https://${NUTANIX_ENDPOINT}:9440
     - name: workerConfig
       value:
         nutanix:

hack/examples/patches/nutanix/initialize-variables.yaml

@@ -11,9 +11,8 @@
       host: ${CONTROL_PLANE_ENDPOINT_IP}
       port: 6443
     prismCentralEndpoint:
-      host: ${NUTANIX_ENDPOINT}
+      url: https://${NUTANIX_ENDPOINT}:9440
       insecure: ${NUTANIX_INSECURE}
-      port: 9440
       credentials:
         name: ${CLUSTER_NAME}-pc-creds
 - op: "add"

pkg/handlers/nutanix/mutation/controlplaneendpoint/variables_test.go

@@ -4,6 +4,7 @@
 package controlplaneendpoint
 
 import (
+	"fmt"
 	"testing"
 
 	corev1 "k8s.io/api/core/v1"
@@ -16,6 +17,8 @@ import (
 	nutanixclusterconfig "github.com/d2iq-labs/cluster-api-runtime-extensions-nutanix/pkg/handlers/nutanix/clusterconfig"
 )
 
+var testPrismCentralURL = fmt.Sprintf("https://prism-central.nutanix.com:%d", v1alpha1.DefaultPrismCentralPort)
+
 func TestVariableValidation(t *testing.T) {
 	capitest.ValidateDiscoverVariables(
 		t,
@@ -33,8 +36,7 @@ func TestVariableValidation(t *testing.T) {
 					},
 					// PrismCentralEndpoint is a required field and must always be set
 					PrismCentralEndpoint: v1alpha1.NutanixPrismCentralEndpointSpec{
-						Host: "prism-central.nutanix.com",
-						Port: v1alpha1.PrismCentralPort,
+						URL: testPrismCentralURL,
 						Credentials: corev1.LocalObjectReference{
 							Name: "credentials",
 						},
@@ -52,8 +54,7 @@ func TestVariableValidation(t *testing.T) {
 					},
 					// PrismCentralEndpoint is a required field and must always be set
 					PrismCentralEndpoint: v1alpha1.NutanixPrismCentralEndpointSpec{
-						Host: "prism-central.nutanix.com",
-						Port: v1alpha1.PrismCentralPort,
+						URL: testPrismCentralURL,
 						Credentials: corev1.LocalObjectReference{
 							Name: "credentials",
 						},
@@ -72,8 +73,7 @@ func TestVariableValidation(t *testing.T) {
 					},
 					// PrismCentralEndpoint is a required field and must always be set
 					PrismCentralEndpoint: v1alpha1.NutanixPrismCentralEndpointSpec{
-						Host: "prism-central.nutanix.com",
-						Port: v1alpha1.PrismCentralPort,
+						URL: testPrismCentralURL,
 						Credentials: corev1.LocalObjectReference{
 							Name: "credentials",
 						},

pkg/handlers/nutanix/mutation/prismcentralendpoint/inject.go

@@ -7,6 +7,8 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
+	"net/url"
+	"strconv"
 
 	"github.com/nutanix-cloud-native/prism-go-client/environment/credentials"
 	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
@@ -97,9 +99,15 @@ func (h *nutanixPrismCentralEndpoint) Mutate(
 				"patchedObjectName", client.ObjectKeyFromObject(obj),
 			).Info("setting prismCentralEndpoint in NutanixCluster spec")
 
+			var address string
+			var port int32
+			address, port, err = parsePrismCentralURL(prismCentralEndpointVar.URL)
+			if err != nil {
+				return err
+			}
 			prismCentral := &credentials.NutanixPrismEndpoint{
-				Address:  prismCentralEndpointVar.Host,
-				Port:     prismCentralEndpointVar.Port,
+				Address:  address,
+				Port:     port,
 				Insecure: prismCentralEndpointVar.Insecure,
 				CredentialRef: &credentials.NutanixCredentialReference{
 					Kind: credentials.SecretKind,
@@ -135,3 +143,26 @@ func (h *nutanixPrismCentralEndpoint) Mutate(
 		},
 	)
 }
+
+//nolint:gocritic // no need for named return values
+func parsePrismCentralURL(in string) (string, int32, error) {
+	var prismCentralURL *url.URL
+	prismCentralURL, err := url.Parse(in)
+	if err != nil {
+		return "", -1, fmt.Errorf("error parsing Prism Central URL: %w", err)
+	}
+
+	hostname := prismCentralURL.Hostname()
+
+	// return early with the default port if no port is specified
+	if prismCentralURL.Port() == "" {
+		return hostname, v1alpha1.DefaultPrismCentralPort, nil
+	}
+
+	port, err := strconv.ParseInt(prismCentralURL.Port(), 10, 32)
+	if err != nil {
+		return "", -1, fmt.Errorf("error converting port to int: %w", err)
+	}
+
+	return hostname, int32(port), nil
+}

pkg/handlers/nutanix/mutation/prismcentralendpoint/inject_test.go

@@ -44,8 +44,7 @@ var _ = Describe("Generate Nutanix Prism Central Endpoint patches", func() {
 				capitest.VariableWithValue(
 					clusterconfig.MetaVariableName,
 					v1alpha1.NutanixPrismCentralEndpointSpec{
-						Host:     "prism-central.nutanix.com",
-						Port:     9441,
+						URL:      "https://prism-central.nutanix.com:9441",
 						Insecure: true,
 						Credentials: corev1.LocalObjectReference{
 							Name: "credentials",
@@ -73,14 +72,47 @@ var _ = Describe("Generate Nutanix Prism Central Endpoint patches", func() {
 				},
 			},
 		},
+		{
+			Name: "all required fields set without port",
+			Vars: []runtimehooksv1.Variable{
+				capitest.VariableWithValue(
+					clusterconfig.MetaVariableName,
+					v1alpha1.NutanixPrismCentralEndpointSpec{
+						URL:      "https://prism-central.nutanix.com",
+						Insecure: true,
+						Credentials: corev1.LocalObjectReference{
+							Name: "credentials",
+						},
+					},
+					nutanixclusterconfig.NutanixVariableName,
+					VariableName,
+				),
+			},
+			RequestItem: request.NewNutanixClusterTemplateRequestItem(""),
+			ExpectedPatchMatchers: []capitest.JSONPatchMatcher{
+				{
+					Operation: "replace",
+					Path:      "/spec/template/spec/prismCentral",
+					ValueMatcher: gomega.SatisfyAll(
+						gomega.HaveKeyWithValue(
+							"address",
+							gomega.BeEquivalentTo("prism-central.nutanix.com"),
+						),
+						gomega.HaveKeyWithValue("port", gomega.BeEquivalentTo(v1alpha1.DefaultPrismCentralPort)),
+						gomega.HaveKeyWithValue("insecure", true),
+						gomega.HaveKey("credentialRef"),
+						gomega.Not(gomega.HaveKey("additionalTrustBundle")),
+					),
+				},
+			},
+		},
 		{
 			Name: "additional trust bundle is set",
 			Vars: []runtimehooksv1.Variable{
 				capitest.VariableWithValue(
 					clusterconfig.MetaVariableName,
 					v1alpha1.NutanixPrismCentralEndpointSpec{
-						Host:     "prism-central.nutanix.com",
-						Port:     9441,
+						URL:      "https://prism-central.nutanix.com:9441",
 						Insecure: true,
 						Credentials: corev1.LocalObjectReference{
 							Name: "credentials",