129 lines
4.8 KiB
Python
129 lines
4.8 KiB
Python
# Copyright 2013 Rackspace Hosting
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from webob import exc
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova.api.openstack import xmlutil
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from nova import compute
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authorize_actions = extensions.extension_authorizer('compute',
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'instance_actions')
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authorize_events = extensions.soft_extension_authorizer('compute',
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'instance_actions:events')
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ACTION_KEYS = ['action', 'instance_uuid', 'request_id', 'user_id',
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'project_id', 'start_time', 'message']
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EVENT_KEYS = ['event', 'start_time', 'finish_time', 'result', 'traceback']
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def make_actions(elem):
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for key in ACTION_KEYS:
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elem.set(key)
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def make_action(elem):
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for key in ACTION_KEYS:
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elem.set(key)
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event = xmlutil.TemplateElement('events', selector='events')
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for key in EVENT_KEYS:
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event.set(key)
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elem.append(event)
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class InstanceActionsTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('instanceActions')
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elem = xmlutil.SubTemplateElement(root, 'instanceAction',
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selector='instanceActions')
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make_actions(elem)
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return xmlutil.MasterTemplate(root, 1)
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class InstanceActionTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('instanceAction',
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selector='instanceAction')
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make_action(root)
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return xmlutil.MasterTemplate(root, 1)
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class InstanceActionsController(wsgi.Controller):
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def __init__(self):
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super(InstanceActionsController, self).__init__()
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self.compute_api = compute.API()
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self.action_api = compute.InstanceActionAPI()
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def _format_action(self, action_raw):
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action = {}
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for key in ACTION_KEYS:
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action[key] = action_raw.get(key)
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return action
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def _format_event(self, event_raw):
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event = {}
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for key in EVENT_KEYS:
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event[key] = event_raw.get(key)
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return event
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@wsgi.serializers(xml=InstanceActionsTemplate)
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def index(self, req, server_id):
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"""Returns the list of actions recorded for a given instance."""
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context = req.environ["nova.context"]
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instance = self.compute_api.get(context, server_id)
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authorize_actions(context, target=instance)
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actions_raw = self.action_api.actions_get(context, instance)
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actions = [self._format_action(action) for action in actions_raw]
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return {'instanceActions': actions}
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@wsgi.serializers(xml=InstanceActionTemplate)
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def show(self, req, server_id, id):
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"""Return data about the given instance action."""
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context = req.environ['nova.context']
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instance = self.compute_api.get(context, server_id)
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authorize_actions(context, target=instance)
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action = self.action_api.action_get_by_request_id(context, instance,
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id)
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if action is None:
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raise exc.HTTPNotFound()
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action_id = action['id']
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action = self._format_action(action)
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if authorize_events(context):
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events_raw = self.action_api.action_events_get(context, instance,
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action_id)
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action['events'] = [self._format_event(evt) for evt in events_raw]
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return {'instanceAction': action}
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class Instance_actions(extensions.ExtensionDescriptor):
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"""View a log of actions and events taken on an instance."""
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name = "InstanceActions"
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alias = "os-instance-actions"
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namespace = ("http://docs.openstack.org/compute/ext/"
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"instance-actions/api/v1.1")
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updated = "2013-02-08T00:00:00+00:00"
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def get_resources(self):
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ext = extensions.ResourceExtension('os-instance-actions',
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InstanceActionsController(),
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parent=dict(
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member_name='server',
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collection_name='servers'))
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return [ext]
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