def monitor_key_delete(service, key):
    """
    Delete a key and value pair from the monitor cluster
    :param service: six.string_types. The Ceph user name to run the command under
    Deletes a key value pair on the monitor cluster.
    :param key: six.string_types.  The key to delete.
    """
    try:
        check_output(
            ['ceph', '--id', service,
             'config-key', 'del', str(key)])
    except CalledProcessError as e:
        log("Monitor config-key put failed with message: {}".format(
            e.output))
        raise
Delete a key and value pair from the monitor cluster
    :param service: six.string_types. The Ceph user name to run the command under
    Deletes a key value pair on the monitor cluster.
    :param key: six.string_types.  The key to delete.