Implement nsxt_manager_cluster_node data source

A data source which exposes manager cluster nodes

Signed-off-by: Kobi Samoray <ksamoray@vmware.com>

Author: ksamoray

nsxt/data_source_nsxt_manager_cluster_node.go

@@ -0,0 +1,102 @@
+/* Copyright © 2023 VMware, Inc. All Rights Reserved.
+   SPDX-License-Identifier: MPL-2.0 */
+
+package nsxt
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/vmware/vsphere-automation-sdk-go/services/nsxt-mp/nsx/cluster"
+	"github.com/vmware/vsphere-automation-sdk-go/services/nsxt-mp/nsx/model"
+)
+
+func dataSourceNsxtManagerClusterNode() *schema.Resource {
+	return &schema.Resource{
+		Read:               dataSourceNsxtManagerClusterNodeRead,
+		DeprecationMessage: mpObjectDataSourceDeprecationMessage,
+		Schema: map[string]*schema.Schema{
+			"id": {
+				Type:        schema.TypeString,
+				Description: "Unique ID of this resource",
+				Optional:    true,
+				Computed:    true,
+			},
+			"display_name": {
+				Type:        schema.TypeString,
+				Description: "The display name of this resource",
+				Optional:    true,
+				Computed:    true,
+			},
+			"description": {
+				Type:        schema.TypeString,
+				Description: "Description of this resource",
+				Optional:    true,
+				Computed:    true,
+			},
+			"appliance_mgmt_listen_address": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Computed:    true,
+				Description: "The IP and port for the appliance management API service on this node",
+			},
+		},
+	}
+}
+
+func dataSourceNsxtManagerClusterNodeRead(d *schema.ResourceData, m interface{}) error {
+	connector := getPolicyConnector(m)
+	client := cluster.NewNodesClient(connector)
+
+	objID := d.Get("id").(string)
+	objName := d.Get("display_name").(string)
+	var obj model.ClusterNodeConfig
+	if objID != "" {
+		// Get by id
+		objGet, err := client.Get(objID)
+		if err != nil {
+			return handleDataSourceReadError(d, "ClusterNode", objID, err)
+		}
+		obj = objGet
+	} else if objName == "" {
+		return fmt.Errorf("error obtaining ClusterNode ID or name during read")
+	} else {
+		// Get by full name/prefix
+		objList, err := client.List(nil, nil, nil, nil, nil)
+		if err != nil {
+			return handleListError("ClusterNode", err)
+		}
+		// go over the list to find the correct one (prefer a perfect match. If not - prefix match)
+		var perfectMatch []model.ClusterNodeConfig
+		var prefixMatch []model.ClusterNodeConfig
+		for _, objInList := range objList.Results {
+			if strings.HasPrefix(*objInList.DisplayName, objName) {
+				prefixMatch = append(prefixMatch, objInList)
+			}
+			if *objInList.DisplayName == objName {
+				perfectMatch = append(perfectMatch, objInList)
+			}
+		}
+		if len(perfectMatch) > 0 {
+			if len(perfectMatch) > 1 {
+				return fmt.Errorf("found multiple ClusterNode with name '%s'", objName)
+			}
+			obj = perfectMatch[0]
+		} else if len(prefixMatch) > 0 {
+			if len(prefixMatch) > 1 {
+				return fmt.Errorf("found multiple ClusterNodes with name starting with '%s'", objName)
+			}
+			obj = prefixMatch[0]
+		} else {
+			return fmt.Errorf("ClusterNode with name '%s' was not found", objName)
+		}
+	}
+
+	d.SetId(*obj.Id)
+	d.Set("appliance_mgmt_listen_address", obj.ApplianceMgmtListenAddr)
+	d.Set("display_name", obj.DisplayName)
+	d.Set("description", obj.Description)
+
+	return nil
+}

nsxt/data_source_nsxt_manager_cluster_node_test.go

@@ -0,0 +1,41 @@
+/* Copyright © 2023 VMware, Inc. All Rights Reserved.
+   SPDX-License-Identifier: MPL-2.0 */
+
+package nsxt
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func TestAccDataSourceNsxtManagerClusterNode_basic(t *testing.T) {
+	testResourceName := "data.nsxt_manager_cluster_node.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: func() {
+			testAccOnlyLocalManager(t)
+			testAccPreCheck(t)
+			testAccNSXVersion(t, "4.1.0")
+			testAccEnvDefined(t, "NSXT_TEST_MANAGER_CLUSTER_NODE")
+		},
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccNsxtPolicyManagerClusterNodeReadTemplate(),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttrSet(testResourceName, "display_name"),
+					resource.TestCheckResourceAttrSet(testResourceName, "appliance_mgmt_listen_address"),
+				),
+			},
+		},
+	})
+}
+
+func testAccNsxtPolicyManagerClusterNodeReadTemplate() string {
+	return fmt.Sprintf(`
+data "nsxt_manager_cluster_node" "test" {
+	display_name = "%s"
+}`, getTestManagerClusterNode())
+}

nsxt/provider.go

@@ -292,6 +292,7 @@ func Provider() *schema.Provider {
 			"nsxt_compute_collection":                dataSourceNsxtComputeCollection(),
 			"nsxt_compute_manager_realization":       dataSourceNsxtComputeManagerRealization(),
 			"nsxt_policy_host_transport_node":        dataSourceNsxtPolicyHostTransportNode(),
+			"nsxt_manager_cluster_node":              dataSourceNsxtManagerClusterNode(),
 		},
 
 		ResourcesMap: map[string]*schema.Resource{

nsxt/utils_test.go

@@ -194,6 +194,10 @@ func getTestLdapUser() string {
 	return os.Getenv("NSXT_TEST_LDAP_USER")
 }
 
+func getTestManagerClusterNode() string {
+	return os.Getenv("NSXT_TEST_MANAGER_CLUSTER_NODE")
+}
+
 func testAccEnvDefined(t *testing.T, envVar string) {
 	if len(os.Getenv(envVar)) == 0 {
 		t.Skipf("This test requires %s environment variable to be set", envVar)