[s3g] OPSAPS-39330 API Metadata endpoint for External Account Commands

Added method to python bindings

Testing: manually instantiated api client, invoked new metadata
method on an ext. account and verified returned results

(cherry picked from commit 052ef99)
(cherry picked from commit 19efc7d5c4ae5300e77819a83b13b12219f70262)

Author: Paolo Milani

python/src/cm_api/api_client.py

@@ -389,6 +389,16 @@ def delete_external_account(self, name):
     """
     return external_accounts.delete_external_account(self, name)
 
+  def list_external_account_commands_by_name(self, type_name):
+    """
+    Lists all the commands that can be executed by name
+    on the provided external account type.
+    @param type_name: Account type
+    @return: A list of ApiCommandMetadata objects
+    @since: API v16
+    """
+    return external_accounts.list_commands_by_name(self, type_name)
+
 def get_root_resource(server_host, server_port=None,
                       username="admin", password="admin",
                       use_tls=False, version=API_CURRENT_VERSION):

python/src/cm_api/endpoints/external_accounts.py

@@ -26,6 +26,7 @@
 EXTERNAL_ACCOUNT_PATH = "/externalAccounts/%s"
 EXTERNAL_ACCOUNT_FETCH_PATH = "/externalAccounts/%s/%s"
 EXTERNAL_ACCOUNT_CONFIG_FETCH_PATH = "/externalAccounts/account/%s"
+EXTERNAL_ACCOUNT_TYPE_INFO_FETCH_PATH = "/externalAccounts/typeInfo/%s/%s"
 
 def get_supported_categories(resource_root):
   """
@@ -47,6 +48,19 @@ def get_supported_types(resource_root, category_name):
       EXTERNAL_ACCOUNT_FETCH_PATH % ("supportedTypes", category_name,),
       ApiExternalAccountType, True)
 
+def list_commands_by_name(resource_root, type_name):
+  """
+  Lists all the commands that can be executed by name
+  on the provided external account type.
+
+  @param type_name: Account type
+  @return: A list of command metadata objects
+  @since: API v16
+  """
+  return call(resource_root.get,
+              EXTERNAL_ACCOUNT_TYPE_INFO_FETCH_PATH % (type_name, "commandsByName"),
+              ApiCommandMetadata, True, api_version=16)
+
 def create_external_account(resource_root, name, display_name, type_name,
                             account_configs=None):
   """
@@ -202,4 +216,4 @@ def external_account_cmd_by_name(self, command_name):
     @return: Reference to the submitted command.
     @since: API v16
     """
-    return self._cmd(command_name, data=self.name, api_version=16)
+    return self._cmd(command_name, data=self.name, api_version=16)