nova/nova/api/openstack/compute/contrib/server_start_stop.py

72 lines
2.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Midokura Japan K.K.
#
# 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
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova import compute
from nova import exception
from nova.openstack.common import log as logging
LOG = logging.getLogger(__name__)
class ServerStartStopActionController(wsgi.Controller):
def __init__(self, *args, **kwargs):
super(ServerStartStopActionController, self).__init__(*args, **kwargs)
self.compute_api = compute.API()
def _get_instance(self, context, instance_uuid):
try:
return self.compute_api.get(context, instance_uuid)
except exception.NotFound:
msg = _("Instance not found")
raise webob.exc.HTTPNotFound(explanation=msg)
@wsgi.action('os-start')
def _start_server(self, req, id, body):
"""Start an instance. """
context = req.environ['nova.context']
instance = self._get_instance(context, id)
LOG.debug(_('start instance'), instance=instance)
self.compute_api.start(context, instance)
return webob.Response(status_int=202)
@wsgi.action('os-stop')
def _stop_server(self, req, id, body):
"""Stop an instance."""
context = req.environ['nova.context']
instance = self._get_instance(context, id)
LOG.debug(_('stop instance'), instance=instance)
self.compute_api.stop(context, instance)
return webob.Response(status_int=202)
class Server_start_stop(extensions.ExtensionDescriptor):
"""Start/Stop instance compute API support"""
name = "ServerStartStop"
alias = "os-server-start-stop"
namespace = "http://docs.openstack.org/compute/ext/servers/api/v1.1"
updated = "2012-01-23T00:00:00+00:00"
def get_controller_extensions(self):
controller = ServerStartStopActionController()
extension = extensions.ControllerExtension(self, 'servers', controller)
return [extension]