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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.
from nova import utils
from nova.api.openstack import common
def get_view_builder(req):
'''
A factory method that returns the correct builder based on the version of
the api requested.
'''
version = common.get_api_version(req)
if version == '1.1':
return ViewBuilder_1_1()
else:
return ViewBuilder_1_0()
class ViewBuilder(object):
''' Models a server addresses response as a python dictionary.'''
def build(self, inst):
raise NotImplementedError()
class ViewBuilder_1_0(ViewBuilder):
def build(self, inst):
private_ips = utils.get_from_path(inst, 'fixed_ip/address')
public_ips = utils.get_from_path(inst, 'fixed_ip/floating_ips/address')
return dict(public=public_ips, private=private_ips)
class ViewBuilder_1_1(ViewBuilder):
def build(self, inst):
private_ips = utils.get_from_path(inst, 'fixed_ip/address')
private_ips = [dict(version=4, addr=a) for a in private_ips]
public_ips = utils.get_from_path(inst, 'fixed_ip/floating_ips/address')
public_ips = [dict(version=4, addr=a) for a in public_ips]
return dict(public=public_ips, private=private_ips)
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