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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.api.openstack import wsgi from nova.api.openstack import xmlutil from nova import compute from nova import exception from nova.openstack.common.gettextutils import _ authorize = extensions.extension_authorizer('compute', 'server_diagnostics') sd_nsmap = {None: wsgi.XMLNS_V11}
**** CubicPower OpenStack Study **** class ServerDiagnosticsTemplate(xmlutil.TemplateBuilder):
**** CubicPower OpenStack Study **** def construct(self): root = xmlutil.TemplateElement('diagnostics') elem = xmlutil.SubTemplateElement(root, xmlutil.Selector(0), selector=xmlutil.get_items) elem.text = 1 return xmlutil.MasterTemplate(root, 1, nsmap=sd_nsmap)
**** CubicPower OpenStack Study **** class ServerDiagnosticsController(object): @wsgi.serializers(xml=ServerDiagnosticsTemplate)
**** 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.NotFound(): msg = _("Instance not found") raise webob.exc.HTTPNotFound(explanation=msg) return compute_api.get_diagnostics(context, instance)
**** CubicPower OpenStack Study **** class Server_diagnostics(extensions.ExtensionDescriptor): """Allow Admins to view server diagnostics through server action.""" name = "ServerDiagnostics" alias = "os-server-diagnostics" namespace = ("http://docs.openstack.org/compute/ext/" "server-diagnostics/api/v1.1") updated = "2011-12-21T00:00:00+00:00"
**** CubicPower OpenStack Study **** def get_resources(self): parent_def = {'member_name': 'server', 'collection_name': 'servers'} #NOTE(bcwaldon): This should be prefixed with 'os-' ext = extensions.ResourceExtension('diagnostics', ServerDiagnosticsController(), parent=parent_def) return [ext]
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