ceph.py 文件源码

def monitor_key_get(service, key):
    """
    Gets the value of an existing key in the monitor cluster.
    :param service: six.string_types. The Ceph user name to run the command under
    :param key: six.string_types.  The key to search for.
    :return: Returns the value of that key or None if not found.
    """
    try:
        output = check_output(
            ['ceph', '--id', service,
             'config-key', 'get', str(key)])
        return output
    except CalledProcessError as e:
        log("Monitor config-key get failed with message: {}".format(
            e.output))
        return None