azurerm_eventhub_consumer_group - allow the name property to be set to $Default

azurerm/helpers/azure/eventhub.go

@@ -32,6 +32,13 @@ func ValidateEventHubConsumerName() schema.SchemaValidateFunc {
 	)
 }
 
+func ValidateEventHubConsumerDataSourceName() schema.SchemaValidateFunc {
+	return validation.StringMatch(
+		regexp.MustCompile("^[a-zA-Z0-9]([-._$$a-zA-Z0-9]{0,48}[a-zA-Z0-9])?$"),
+		"The consumer group name can contain only letters, numbers, periods (.), hyphens (-),and underscores (_), up to 50 characters, and it must begin and end with a letter or number.",
+	)
+}
+
 func ValidateEventHubAuthorizationRuleName() schema.SchemaValidateFunc {
 	return validation.StringMatch(
 		regexp.MustCompile("^[a-zA-Z0-9]([-._a-zA-Z0-9]{0,48}[a-zA-Z0-9])?$"),

azurerm/internal/services/eventhub/eventhub_consumer_group_data_source.go

@@ -23,7 +23,7 @@ func dataSourceEventHubConsumerGroup() *schema.Resource {
 			"name": {
 				Type:         schema.TypeString,
 				Required:     true,
-				ValidateFunc: azure.ValidateEventHubConsumerName(),
+				ValidateFunc: azure.ValidateEventHubConsumerDataSourceName(),
 			},
 
 			"namespace_name": {

azurerm/internal/services/eventhub/tests/eventhub_consumer_group_data_source_test.go

@@ -27,6 +27,25 @@ func TestAccDataSourceAzureRMEventHubConsumerGroup_complete(t *testing.T) {
 	})
 }
 
+func TestAccDataSourceAzureRMEventHubConsumerGroupDefault_complete(t *testing.T) {
+	data := acceptance.BuildTestData(t, "data.azurerm_eventhub_consumer_group", "test")
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { acceptance.PreCheck(t) },
+		Providers:    acceptance.SupportedProviders,
+		CheckDestroy: testCheckAzureRMEventHubConsumerGroupDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceAzureRMEventHubConsumerGroupDefault_complete(data),
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMEventHubConsumerGroupExists(data.ResourceName),
+					resource.TestCheckResourceAttr(data.ResourceName, "user_metadata", "some-meta-data"),
+				),
+			},
+		},
+	})
+}
+
 func testAccDataSourceAzureRMEventHubConsumerGroup_complete(data acceptance.TestData) string {
 	return fmt.Sprintf(`
 provider "azurerm" {
@@ -69,3 +88,38 @@ data "azurerm_eventhub_consumer_group" "test" {
 }
 `, data.RandomInteger, data.Locations.Primary, data.RandomInteger, data.RandomInteger, data.RandomInteger)
 }
+
+func testAccDataSourceAzureRMEventHubConsumerGroupDefault_complete(data acceptance.TestData) string {
+	return fmt.Sprintf(`
+provider "azurerm" {
+  features {}
+}
+
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-%d"
+  location = "%s"
+}
+
+resource "azurerm_eventhub_namespace" "test" {
+  name                = "acctesteventhubnamespace-%d"
+  location            = azurerm_resource_group.test.location
+  resource_group_name = azurerm_resource_group.test.name
+  sku                 = "Standard"
+}
+
+resource "azurerm_eventhub" "test" {
+  name                = "acctesteventhub-%d"
+  namespace_name      = azurerm_eventhub_namespace.test.name
+  resource_group_name = azurerm_resource_group.test.name
+  partition_count     = 2
+  message_retention   = 7
+}
+
+data "azurerm_eventhub_consumer_group" "test" {
+  name                = "$Default"
+  namespace_name      = azurerm_eventhub_namespace.test.name
+  eventhub_name       = azurerm_eventhub.test.name
+  resource_group_name = azurerm_resource_group.test.name
+}
+`, data.RandomInteger, data.Locations.Primary, data.RandomInteger, data.RandomInteger)
+}