Added a empty string check on ips for endpoint gateway resource

ibm/service/vpc/resource_ibm_is_virtual_endpoint_gateway.go

@@ -622,10 +622,14 @@ func expandIPs(ipsSet []interface{}) (ipsOptions []vpcv1.EndpointGatewayReserved
 		}
 
 		ipsOpt := &vpcv1.EndpointGatewayReservedIP{
-			ID:     core.StringPtr(ipsID),
-			Name:   core.StringPtr(ipsName),
 			Subnet: ipsSubnetOpt,
 		}
+		if ipsID != "" {
+			ipsOpt.ID = &ipsID
+		}
+		if ipsName != "" {
+			ipsOpt.Name = &ipsName
+		}
 		ipsOptions = append(ipsOptions, ipsOpt)
 	}
 	return ipsOptions

ibm/service/vpc/resource_ibm_is_virtual_endpoint_gateway_test.go

@@ -160,6 +160,37 @@ func TestAccIBMISVirtualEndpointGateway_FullySpecified(t *testing.T) {
 		},
 	})
 }
+func TestAccIBMISVirtualEndpointGateway_OptionalName(t *testing.T) {
+	var monitor string
+	vpcname1 := fmt.Sprintf("tfvpngw-vpc-%d", acctest.RandIntRange(10, 100))
+	subnetname1 := fmt.Sprintf("tfvpngw-subnet-%d", acctest.RandIntRange(10, 100))
+	name1 := fmt.Sprintf("tfvpngw-createname-%d", acctest.RandIntRange(10, 100))
+	name := "ibm_is_virtual_endpoint_gateway.endpoint_gateway"
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { acc.TestAccPreCheck(t) },
+		Providers:    acc.TestAccProviders,
+		CheckDestroy: testAccCheckisVirtualEndpointGatewayDestroy,
+		Steps: []resource.TestStep{
+			{
+				ExpectNonEmptyPlan: true,
+				Config:             testAccCheckisVirtualEndpointGatewayConfigOptionalName(vpcname1, subnetname1, name1),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckisVirtualEndpointGatewayExists(name, &monitor),
+					resource.TestCheckResourceAttr(name, "name", name1),
+					resource.TestCheckResourceAttrSet(name, "ips.#"),
+					resource.TestCheckResourceAttrSet(name, "target.#"),
+					resource.TestCheckResourceAttrSet(name, "created_at"),
+					resource.TestCheckResourceAttrSet(name, "crn"),
+					resource.TestCheckResourceAttr(name, "health_state", "ok"),
+					resource.TestCheckResourceAttr(name, "lifecycle_state", "stable"),
+					resource.TestCheckResourceAttrSet(name, "resource_group"),
+					resource.TestCheckResourceAttrSet(name, "resource_type"),
+				),
+			},
+		},
+	})
+}
 
 func TestAccIBMISVirtualEndpointGateway_CreateAfterManualDestroy(t *testing.T) {
 	t.Skip()
@@ -304,6 +335,35 @@ func testAccCheckisVirtualEndpointGatewayConfigAllowDnsResolutionBinding(vpcname
 	}`, vpcname1, enable_hub, name1, allowDnsResolutionBinding)
 }
 
+func testAccCheckisVirtualEndpointGatewayConfigOptionalName(vpcname1, subnetname1, name1 string) string {
+	return fmt.Sprintf(`
+	data "ibm_resource_group" "test_acc" {
+		is_default = true
+	  }
+	  resource "ibm_is_vpc" "testacc_vpc" {
+		name           = "%[1]s"
+		resource_group = data.ibm_resource_group.test_acc.id
+	  }
+	  resource "ibm_is_subnet" "testacc_subnet" {
+		name            = "%[2]s"
+		vpc             = ibm_is_vpc.testacc_vpc.id
+		zone            = "%[3]s"
+		ipv4_cidr_block = "%[4]s"
+		resource_group  = data.ibm_resource_group.test_acc.id
+	  }
+	  resource "ibm_is_virtual_endpoint_gateway" "endpoint_gateway" {
+		name = "%[5]s"
+		target {
+		  name          = "ibm-dns-server2"
+		  resource_type = "provider_infrastructure_service"
+		}
+		vpc = ibm_is_vpc.testacc_vpc.id
+		ips {
+		  subnet = ibm_is_subnet.testacc_subnet.id
+		}
+		resource_group = data.ibm_resource_group.test_acc.id
+	  }`, vpcname1, subnetname1, acc.ISZoneName, acc.ISCIDR, name1)
+}
 func testAccCheckisVirtualEndpointGatewayConfigFullySpecified(vpcname1, subnetname1, name1 string) string {
 	return fmt.Sprintf(`
 	data "ibm_resource_group" "test_acc" {

website/docs/r/is_virtual_endpoint_gateway.html.markdown

@@ -92,14 +92,14 @@ Review the argument references that you can specify for your resource.
     -> **NOTE:** `allow_dns_resolution_binding` is a select location availability, invitation only feature. If used in other regions may lead to inconsistencies in state management.
 - `allow_dns_resolution_binding` - (Optional, bool) Indicates whether to allow this endpoint gateway to participate in DNS resolution bindings with a VPC that has dns.enable_hub set to true.
 - `name` - (Required, Forces new resource, String) The endpoint gateway name.
-- `ips`  (Optional, List) The endpoint gateway resource group.
+- `ips`  (Optional, List) The reserved IPs to bind to this endpoint gateway. At most one reserved IP per zone is allowed.
 
   Nested scheme for `ips`:
-  - `id` - (Optional, String) The endpoint gateway resource group IPs ID.
-  - `name` - (Optional, String) The endpoint gateway resource group IPs name.
-  - `subnet` - (Optional, String) The endpoint gateway resource group subnet ID.
+  - `id` - (Optional, String) The unique identifier for this reserved IP. Conflicts with other properties (**name**,  **subnet**)
+  - `name` - (Optional, String) The name for this reserved IP. The name must not be used by another reserved IP in the subnet. Names starting with ibm- are reserved for provider-owned resources, and are not allowed. If unspecified, the name will be a hyphenated list of randomly-selected words.
+  - `subnet` - (Optional, String) The subnet in which to create this reserved IP.
 
-  ~> **NOTE:** `id` and `subnet` are mutually exclusive.
+  ~> **NOTE:** `id` and (`name`, `subnet`) are mutually exclusive.
 
 - `resource_group` - (Optional, Forces new resource, String) The resource group ID.
 - `security_groups` - (Optional, list) The security groups to use for this endpoint gateway. If unspecified, the VPC's default security group is used.