def __create_navigator(self, main_root):
		navigator_dir = os.path.join(main_root, 'navigator')
		safe_mkdir(navigator_dir)

		navigators = self.__config_mgr.navigator()
		self.__navigator_mgr.create_navigators(navigators, navigator_dir)
def do_register_opts(opts, group=None, ignore_errors=False):
    try:
        cfg.CONF.register_opts(opts, group=group)
    except:
        if not ignore_errors:
            raise