generate_user_config.py 文件源码

def find_external_network(self, ext_floating_ip, networks):
        """Find external network based on the network address that matches
           external-floating-ipaddr.
           If not found, return the management network interface.

           Returns: network name, network details
        """
        if ext_floating_ip == 'N/A':
            return None

        for net, net_details in networks.iteritems():
            if 'addr' in net_details:
                # Check if matching
                if (netaddr.IPAddress(ext_floating_ip) in
                   netaddr.IPSet([net_details['addr']])):
                    return net, net_details

        return 'openstack-mgmt', networks.get('openstack-mgmt', None)