designate.py 文件源码

def ensure_api_responding(cls):
        """Check that the api service is responding.

        The retry_on_exception decorator will cause this method to be called
        until it succeeds or retry limit is exceeded"""
        hookenv.log('Checking API service is responding',
                    level=hookenv.WARNING)
        check_cmd = ['reactive/designate_utils.py', 'server-list']
        subprocess.check_call(check_cmd)