'Assigns a list of configuration management classes that can be assigned
to any object, such as those used by Puppet\'s external_nodes feature.'

def set_mgmt_classes(self, mgmt_classes):

    mgmt_classes_split = utils.input_string_or_list(mgmt_classes)
    self.mgmt_classes = utils.input_string_or_list(mgmt_classes_split)
