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OpenStack Study: server_diagnostics.py**** CubicPower OpenStack Study ****
# Copyright 2011 OpenStack Foundation # 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 webob.exc from nova.api.openstack import extensions from nova import compute from nova import exception ALIAS = "os-server-diagnostics" authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
**** CubicPower OpenStack Study **** class ServerDiagnosticsController(object): @extensions.expected_errors(404)
**** CubicPower OpenStack Study **** def index(self, req, server_id): context = req.environ["nova.context"] authorize(context) compute_api = compute.API() try: instance = compute_api.get(context, server_id, want_objects=True) except exception.InstanceNotFound as e: raise webob.exc.HTTPNotFound(explanation=e.format_message()) return compute_api.get_diagnostics(context, instance)
**** CubicPower OpenStack Study **** class ServerDiagnostics(extensions.V3APIExtensionBase): """Allow Admins to view server diagnostics through server action.""" name = "ServerDiagnostics" alias = ALIAS version = 1
**** CubicPower OpenStack Study **** def get_resources(self): parent_def = {'member_name': 'server', 'collection_name': 'servers'} resources = [ extensions.ResourceExtension(ALIAS, ServerDiagnosticsController(), parent=parent_def)] return resources
**** CubicPower OpenStack Study **** def get_controller_extensions(self): return []
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