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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2011 Openstack, LLC.
#
# 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.
from nova import flags
from nova.openstack.common import cfg
from nova import utils
ipv6_backend_opt = \
cfg.StrOpt('ipv6_backend',
default='rfc2462',
help='Backend to use for IPv6 generation')
FLAGS = flags.FLAGS
FLAGS.add_option(ipv6_backend_opt)
def reset_backend():
global IMPL
IMPL = utils.LazyPluggable(FLAGS['ipv6_backend'],
rfc2462='nova.ipv6.rfc2462',
account_identifier='nova.ipv6.account_identifier')
def to_global(prefix, mac, project_id):
return IMPL.to_global(prefix, mac, project_id)
def to_mac(ipv6_address):
return IMPL.to_mac(ipv6_address)
reset_backend()
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