dbrestore.py 文件源码

def get_db_host():
    # first try to look for a loopback alias addr
    loopback_addr = get_lo_alias_addr()
    if loopback_addr:
        return loopback_addr

    # if we did not find any IP on the loopback if, find the
    # interface of the default gateway and use that.
    try:
        default_if = netifaces.gateways().get('default', {}).values()[0][1]
        if_addr = netifaces.ifaddresses(default_if)[netifaces.AF_INET][0].get(
            'addr')
        return if_addr
    except KeyError:
        raise Exception('Cannot find DB address for the current host')