azurerm_virtual_network_gateway: add support for ErGwScale in sku (#31082)

[ENHANCEMENT] * `azurerm_virtual_network_gateway` - add support for the `ErGwScale` SKU

Author: jiaweitao001

internal/services/network/virtual_network_gateway_resource.go

@@ -1549,6 +1549,7 @@ func validateVirtualNetworkGatewayExpressRouteSku() pluginsdk.SchemaValidateFunc
 		string(virtualnetworkgateways.VirtualNetworkGatewaySkuNameErGwOneAZ),
 		string(virtualnetworkgateways.VirtualNetworkGatewaySkuNameErGwTwoAZ),
 		string(virtualnetworkgateways.VirtualNetworkGatewaySkuNameErGwThreeAZ),
+		string(virtualnetworkgateways.VirtualNetworkGatewaySkuNameErGwScale),
 	}, false)
 }
 

internal/services/network/virtual_network_gateway_resource_test.go

@@ -309,6 +309,23 @@ func TestAccVirtualNetworkGateway_expressRoute(t *testing.T) {
 	})
 }
 
+func TestAccVirtualNetworkGateway_expressRouteErGwScale(t *testing.T) {
+	data := acceptance.BuildTestData(t, "azurerm_virtual_network_gateway", "test")
+	r := VirtualNetworkGatewayResource{}
+	data.ResourceTest(t, r, []acceptance.TestStep{
+		{
+			Config: r.expressRouteErGwScale(data),
+			Check: acceptance.ComposeTestCheckFunc(
+				check.That(data.ResourceName).ExistsInAzure(r),
+				check.That(data.ResourceName).Key("type").HasValue("ExpressRoute"),
+				check.That(data.ResourceName).Key("sku").HasValue("ErGwScale"),
+				check.That(data.ResourceName).Key("bgp_settings.#").HasValue("0"),
+			),
+		},
+		data.ImportStep(),
+	})
+}
+
 func TestAccVirtualNetworkGateway_customRoute(t *testing.T) {
 	data := acceptance.BuildTestData(t, "azurerm_virtual_network_gateway", "test")
 	r := VirtualNetworkGatewayResource{}
@@ -1306,6 +1323,48 @@ resource "azurerm_virtual_network_gateway" "test" {
 `, data.RandomInteger, data.Locations.Primary, data.RandomInteger, data.RandomInteger, data.RandomInteger)
 }
 
+func (VirtualNetworkGatewayResource) expressRouteErGwScale(data acceptance.TestData) string {
+	return fmt.Sprintf(`
+provider "azurerm" {
+  features {}
+}
+
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-%d"
+  location = "%s"
+}
+
+resource "azurerm_virtual_network" "test" {
+  name                = "acctestvn-%d"
+  location            = azurerm_resource_group.test.location
+  resource_group_name = azurerm_resource_group.test.name
+  address_space       = ["10.0.0.0/16"]
+}
+
+resource "azurerm_subnet" "test" {
+  name                 = "GatewaySubnet"
+  resource_group_name  = azurerm_resource_group.test.name
+  virtual_network_name = azurerm_virtual_network.test.name
+  address_prefixes     = ["10.0.1.0/24"]
+}
+
+resource "azurerm_virtual_network_gateway" "test" {
+  name                = "acctestvng-%d"
+  location            = azurerm_resource_group.test.location
+  resource_group_name = azurerm_resource_group.test.name
+
+  type     = "ExpressRoute"
+  vpn_type = "PolicyBased"
+  sku      = "ErGwScale"
+
+  ip_configuration {
+    private_ip_address_allocation = "Dynamic"
+    subnet_id                     = azurerm_subnet.test.id
+  }
+}
+`, data.RandomInteger, data.Locations.Primary, data.RandomInteger, data.RandomInteger)
+}
+
 func (VirtualNetworkGatewayResource) generation(data acceptance.TestData, generation string) string {
 	return fmt.Sprintf(`
 provider "azurerm" {

website/docs/r/virtual_network_gateway.html.markdown

@@ -112,7 +112,7 @@ The following arguments are supported:
 
 * `resource_group_name` - (Required) The name of the resource group in which to create the Virtual Network Gateway. Changing this forces a new resource to be created.
 
-* `sku` - (Required) Configuration of the size and capacity of the virtual network gateway. Valid options are `Basic`, `Standard`, `HighPerformance`, `UltraPerformance`, `ErGw1AZ`, `ErGw2AZ`, `ErGw3AZ`, `VpnGw1`, `VpnGw2`, `VpnGw3`, `VpnGw4`,`VpnGw5`, `VpnGw1AZ`, `VpnGw2AZ`, `VpnGw3AZ`,`VpnGw4AZ` and `VpnGw5AZ` and depend on the `type`, `vpn_type` and `generation` arguments. A `PolicyBased` gateway only supports the `Basic` SKU. Further, the `UltraPerformance` SKU is only supported by an `ExpressRoute` gateway.
+* `sku` - (Required) Configuration of the size and capacity of the virtual network gateway. Valid options are `Basic`, `Standard`, `HighPerformance`, `UltraPerformance`, `ErGwScale`, `ErGw1AZ`, `ErGw2AZ`, `ErGw3AZ`, `VpnGw1`, `VpnGw2`, `VpnGw3`, `VpnGw4`,`VpnGw5`, `VpnGw1AZ`, `VpnGw2AZ`, `VpnGw3AZ`,`VpnGw4AZ` and `VpnGw5AZ` and depend on the `type`, `vpn_type` and `generation` arguments. A `PolicyBased` gateway only supports the `Basic` SKU. Further, the `UltraPerformance` and `ErGwScale` SKU is only supported by an `ExpressRoute` gateway.
 
 ~> **Note:** To build a UltraPerformance ExpressRoute Virtual Network gateway, the associated Public IP needs to be SKU "Basic" not "Standard"