/
addresses.py
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/
addresses.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010-2011 OpenStack LLC.
# All Rights Reserved.
#
# 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.
import itertools
from nova import flags
from nova import log as logging
FLAGS = flags.FLAGS
LOG = logging.getLogger('nova.api.openstack.views.addresses')
class ViewBuilder(object):
"""Models a server addresses response as a python dictionary."""
def build(self, inst):
raise NotImplementedError()
def _extract_ips(self, network, key=None):
if key:
chain = network[key]
else:
chain = itertools.chain(network['ips'], network['floating_ips'])
for ip in chain:
if not FLAGS.use_ipv6 and ip['version'] == 6:
continue
yield ip
class ViewBuilderV10(ViewBuilder):
def build(self, networks):
if not networks:
return dict(public=[], private=[])
return dict(public=self.build_public_parts(networks),
private=self.build_private_parts(networks))
def build_public_parts(self, nets):
ips = [self._extract_ips(nets[label],
key='floating_ips') for label in nets]
return [ip['addr'] for ip in itertools.chain(*ips)]
def build_private_parts(self, nets):
ips = [self._extract_ips(nets[label], key='ips') for label in nets]
return [ip['addr'] for ip in itertools.chain(*ips)]
class ViewBuilderV11(ViewBuilder):
def build(self, networks):
result = {}
for network in networks:
if network not in result:
result[network] = []
result[network].extend(self._extract_ips(networks[network]))
return result
def build_network(self, networks, requested_network):
for network in networks:
if network == requested_network:
return {network: list(self._extract_ips(networks[network]))}
return None
def _extract_network_label(self, network):
try:
return network['label']
except (TypeError, KeyError) as exc:
raise TypeError