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OpenStack Study: flavor_rxtx.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. """The Flavor Rxtx API extension.""" from nova.api.openstack import extensions from nova.api.openstack import wsgi ALIAS = 'os-flavor-rxtx' authorize = extensions.soft_extension_authorizer('compute', 'v3:' + ALIAS)
**** CubicPower OpenStack Study **** class FlavorRxtxController(wsgi.Controller):
**** CubicPower OpenStack Study **** def _extend_flavors(self, req, flavors): for flavor in flavors: db_flavor = req.get_db_flavor(flavor['id']) key = '%s:rxtx_factor' % FlavorRxtx.alias flavor[key] = db_flavor['rxtx_factor'] or ""
**** CubicPower OpenStack Study **** def _show(self, req, resp_obj): if not authorize(req.environ['nova.context']): return if 'flavor' in resp_obj.obj: self._extend_flavors(req, [resp_obj.obj['flavor']]) @wsgi.extends
**** CubicPower OpenStack Study **** def show(self, req, resp_obj, id): return self._show(req, resp_obj) @wsgi.extends(action='create')
**** CubicPower OpenStack Study **** def create(self, req, resp_obj, body): return self._show(req, resp_obj) @wsgi.extends
**** CubicPower OpenStack Study **** def detail(self, req, resp_obj): if not authorize(req.environ['nova.context']): return self._extend_flavors(req, list(resp_obj.obj['flavors']))
**** CubicPower OpenStack Study **** class FlavorRxtx(extensions.V3APIExtensionBase): """Support to show the rxtx status of a flavor.""" name = "FlavorRxtx" alias = ALIAS version = 1
**** CubicPower OpenStack Study **** def get_controller_extensions(self): controller = FlavorRxtxController() extension = extensions.ControllerExtension(self, 'flavors', controller) return [extension]
**** CubicPower OpenStack Study **** def get_resources(self): return []
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