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OpenStack Study: extended_virtual_interfaces_net.py**** CubicPower OpenStack Study ****
# # 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.api.openstack import extensions from nova.api.openstack import wsgi from nova.api.openstack import xmlutil from nova import network authorize = extensions.soft_extension_authorizer('compute', 'extended_vif_net')
**** CubicPower OpenStack Study **** def make_vif(elem): elem.set('{%s}net_id' % Extended_virtual_interfaces_net.namespace, '%s:net_id' % Extended_virtual_interfaces_net.alias)
**** CubicPower OpenStack Study **** class ExtendedVirtualInterfaceNetTemplate(xmlutil.TemplateBuilder):
**** CubicPower OpenStack Study **** def construct(self): root = xmlutil.TemplateElement('virtual_interfaces', selector='virtual_interfaces') elem = xmlutil.SubTemplateElement(root, 'virtual_interface', selector='virtual_interfaces') make_vif(elem) return xmlutil.SlaveTemplate(root, 1, nsmap={Extended_virtual_interfaces_net.alias: Extended_virtual_interfaces_net.namespace})
**** CubicPower OpenStack Study **** class ExtendedServerVIFNetController(wsgi.Controller):
**** CubicPower OpenStack Study **** def __init__(self): super(ExtendedServerVIFNetController, self).__init__() self.network_api = network.API() @wsgi.extends
**** CubicPower OpenStack Study **** def index(self, req, resp_obj, server_id): key = "%s:net_id" % Extended_virtual_interfaces_net.alias context = req.environ['nova.context'] if authorize(context): # Attach our slave template to the response object resp_obj.attach(xml=ExtendedVirtualInterfaceNetTemplate()) for vif in resp_obj.obj['virtual_interfaces']: vif1 = self.network_api.get_vif_by_mac_address(context, vif['mac_address']) vif[key] = vif1['net_uuid']
**** CubicPower OpenStack Study **** class Extended_virtual_interfaces_net(extensions.ExtensionDescriptor): """Adds network id parameter to the virtual interface list.""" name = "ExtendedVIFNet" alias = "OS-EXT-VIF-NET" namespace = ("http://docs.openstack.org/compute/ext/" "extended-virtual-interfaces-net/api/v1.1") updated = "2013-03-07T00:00:00+00:00"
**** CubicPower OpenStack Study **** def get_controller_extensions(self): controller = ExtendedServerVIFNetController() extension = extensions.ControllerExtension(self, 'os-virtual-interfaces', controller) return [extension]
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