utils.py 文件源码

def get_ips_from_fqdn(fqdn):
    """
        Retrieve IPs from FQDN

        :param str fqdn: The FQDN to resolve
        :rtype: list
        :return: the list of resolved IP address for given FQDN
    """
    try:
        socket.setdefaulttimeout(5)
        ips = socket.gethostbyname_ex(fqdn)[2]
        return ips
    except (ValueError, socket.error, socket.gaierror, socket.herror, socket.timeout):
        return None