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OpenStack Study: server_password.py**** CubicPower OpenStack Study ****
# Copyright (c) 2012 Nebula, Inc. # 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. """The server password extension.""" import webob from nova.api.metadata import password from nova.api.openstack import extensions from nova.api.openstack import wsgi from nova.api.openstack import xmlutil from nova import compute from nova import db from nova import exception authorize = extensions.extension_authorizer('compute', 'server_password')
**** CubicPower OpenStack Study **** class ServerPasswordTemplate(xmlutil.TemplateBuilder):
**** CubicPower OpenStack Study **** def construct(self): root = xmlutil.TemplateElement('password', selector='password') root.text = unicode return xmlutil.MasterTemplate(root, 1)
**** CubicPower OpenStack Study **** class ServerPasswordController(object): """The Server Password API controller for the OpenStack API."""
**** CubicPower OpenStack Study **** def __init__(self): self.compute_api = compute.API()
**** CubicPower OpenStack Study **** def _get_instance(self, context, server_id): try: return self.compute_api.get(context, server_id) except exception.InstanceNotFound as exp: raise webob.exc.HTTPNotFound(explanation=exp.format_message()) @wsgi.serializers(xml=ServerPasswordTemplate)
**** CubicPower OpenStack Study **** def index(self, req, server_id): context = req.environ['nova.context'] authorize(context) instance = self._get_instance(context, server_id) passw = password.extract_password(instance) return {'password': passw or ''} @wsgi.response(204)
**** CubicPower OpenStack Study **** def delete(self, req, server_id): context = req.environ['nova.context'] authorize(context) instance = self._get_instance(context, server_id) meta = password.convert_password(context, None) db.instance_system_metadata_update(context, instance['uuid'], meta, False)
**** CubicPower OpenStack Study **** class Server_password(extensions.ExtensionDescriptor): """Server password support.""" name = "ServerPassword" alias = "os-server-password" namespace = ("http://docs.openstack.org/compute/ext/" "server-password/api/v2") updated = "2012-11-29T00:00:00+00:00"
**** CubicPower OpenStack Study **** def get_resources(self): resources = [] res = extensions.ResourceExtension( 'os-server-password', controller=ServerPasswordController(), collection_actions={'delete': 'DELETE'}, parent=dict(member_name='server', collection_name='servers')) resources.append(res) return resources
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