/usr/share/pyshared/nova/virt/netutils.py is in python-nova 2012.1-0ubuntu2.
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# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
# Copyright (c) 2010 Citrix Systems, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Network-releated utilities for supporting libvirt connection code."""
import netaddr
from nova import flags
FLAGS = flags.FLAGS
def get_net_and_mask(cidr):
net = netaddr.IPNetwork(cidr)
return str(net.ip), str(net.netmask)
def get_net_and_prefixlen(cidr):
net = netaddr.IPNetwork(cidr)
return str(net.ip), str(net._prefixlen)
def get_ip_version(cidr):
net = netaddr.IPNetwork(cidr)
return int(net.version)
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