ceph.py 文件源码

def hash_monitor_names(service):
    """
    Uses the get_mon_map() function to get information about the monitor
    cluster.
    Hash the name of each monitor.  Return a sorted list of monitor hashes
    in an ascending order.
    :param service: six.string_types. The Ceph user name to run the command under
    :rtype : dict.   json dict of monitor name, ip address and rank
    example: {
        'name': 'ip-172-31-13-165',
        'rank': 0,
        'addr': '172.31.13.165:6789/0'}
    """
    try:
        hash_list = []
        monitor_list = get_mon_map(service=service)
        if monitor_list['monmap']['mons']:
            for mon in monitor_list['monmap']['mons']:
                hash_list.append(
                    hashlib.sha224(mon['name'].encode('utf-8')).hexdigest())
            return sorted(hash_list)
        else:
            return None
    except (ValueError, CalledProcessError):
        raise