84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
# Copyright 2012 Midokura Japan K.K.
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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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import webob
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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 import compute
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from nova import exception
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from nova.i18n import _
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from nova import objects
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from nova.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class ServerStartStopActionController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
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super(ServerStartStopActionController, self).__init__(*args, **kwargs)
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self.compute_api = compute.API()
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def _get_instance(self, context, instance_uuid):
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try:
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attrs = ['system_metadata', 'metadata']
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return objects.Instance.get_by_uuid(context, instance_uuid,
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expected_attrs=attrs)
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except exception.NotFound:
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msg = _("Instance not found")
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raise webob.exc.HTTPNotFound(explanation=msg)
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@wsgi.action('os-start')
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def _start_server(self, req, id, body):
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"""Start an instance."""
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context = req.environ['nova.context']
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instance = self._get_instance(context, id)
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extensions.check_compute_policy(context, 'start', instance)
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LOG.debug('start instance', instance=instance)
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try:
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self.compute_api.start(context, instance)
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except (exception.InstanceNotReady, exception.InstanceIsLocked,
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exception.InstanceInvalidState) as e:
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raise webob.exc.HTTPConflict(explanation=e.format_message())
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return webob.Response(status_int=202)
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@wsgi.action('os-stop')
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def _stop_server(self, req, id, body):
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"""Stop an instance."""
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context = req.environ['nova.context']
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instance = self._get_instance(context, id)
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extensions.check_compute_policy(context, 'stop', instance)
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LOG.debug('stop instance', instance=instance)
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try:
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self.compute_api.stop(context, instance)
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except (exception.InstanceNotReady, exception.InstanceIsLocked,
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exception.InstanceInvalidState) as e:
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raise webob.exc.HTTPConflict(explanation=e.format_message())
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return webob.Response(status_int=202)
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class Server_start_stop(extensions.ExtensionDescriptor):
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"""Start/Stop instance compute API support."""
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name = "ServerStartStop"
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alias = "os-server-start-stop"
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namespace = "http://docs.openstack.org/compute/ext/servers/api/v1.1"
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updated = "2012-01-23T00:00:00Z"
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def get_controller_extensions(self):
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controller = ServerStartStopActionController()
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extension = extensions.ControllerExtension(self, 'servers', controller)
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return [extension]
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