added unique domain feature in functionapp create

Author: khkh-ms

src/azure-cli/azure/cli/command_modules/appservice/_params.py

@@ -890,6 +890,7 @@ def load_arguments(self, _):
                    help='Enable zone redundancy for high availability. Applies to Flex Consumption SKU only.', is_preview=True)
         c.argument('configure_networking_later', options_list=['--configure-networking-later', '--cnl'], arg_type=get_three_state_flag(),
                    help='Use this option if you want to configure networking later for an app using network-restricted storage.')
+        c.argument('auto_generated_domain_name_label_scope', options_list=['--domain-name-scope'], help="Specify the scope of uniqueness for the default hostname during resource creation. ", choices=['TenantReuse', 'SubscriptionReuse', 'ResourceGroupReuse', 'NoReuse'])
 
     with self.argument_context('functionapp deployment config set') as c:
         c.argument('deployment_storage_name', options_list=['--deployment-storage-name', '--dsn'], help="The deployment storage account name.", is_preview=True)

src/azure-cli/azure/cli/command_modules/appservice/custom.py

@@ -6092,7 +6092,8 @@ def create_functionapp(cmd, resource_group_name, name, storage_account, plan=Non
                        always_ready_instances=None, maximum_instance_count=None, instance_memory=None,
                        flexconsumption_location=None, deployment_storage_name=None,
                        deployment_storage_container_name=None, deployment_storage_auth_type=None,
-                       deployment_storage_auth_value=None, zone_redundant=False, configure_networking_later=None):
+                       deployment_storage_auth_value=None, zone_redundant=False, configure_networking_later=None,
+                       auto_generated_domain_name_label_scope=None):
     # pylint: disable=too-many-statements, too-many-branches
 
     if functions_version is None and flexconsumption_location is None:
@@ -6184,7 +6185,8 @@ def create_functionapp(cmd, resource_group_name, name, storage_account, plan=Non
 
     disable_app_insights = disable_app_insights == "true"
 
-    site_config = SiteConfig(app_settings=[])
+    settings = []
+    site_config = SiteConfig(app_settings=settings)
     client = web_client_factory(cmd.cli_ctx)
 
     if vnet or subnet:
@@ -6224,7 +6226,8 @@ def create_functionapp(cmd, resource_group_name, name, storage_account, plan=Non
         site_config.http20_proxy_flag = None
 
     functionapp_def = Site(location=None, site_config=site_config, tags=tags,
-                           virtual_network_subnet_id=subnet_resource_id, https_only=https_only)
+                           virtual_network_subnet_id=subnet_resource_id, https_only=https_only,
+                           auto_generated_domain_name_label_scope=auto_generated_domain_name_label_scope)
 
     plan_info = None
     if runtime is not None: