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 Exists(self):
    """Returns True if the log group exists."""
    describe_cmd = util.AWS_PREFIX + [
        '--region', self.region,
        'logs', 'describe-log-groups',
        '--log-group-name-prefix', self.name,
        '--no-paginate'
    ]
    stdout, _, _ = vm_util.IssueCommand(describe_cmd)
    log_groups = json.loads(stdout)['logGroups']
    group = next((group for group in log_groups
                  if group['logGroupName'] == self.name), None)
    return bool(group)