nova/nova/api/openstack/compute/plugins/v3/suspend_server.py

81 lines
2.9 KiB
Python

# Copyright 2013 IBM Corp.
#
# 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.
from webob import exc
from nova.api.openstack import common
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova import compute
from nova import exception
ALIAS = "os-suspend-server"
authorize = extensions.os_compute_authorizer(ALIAS)
class SuspendServerController(wsgi.Controller):
def __init__(self, *args, **kwargs):
super(SuspendServerController, self).__init__(*args, **kwargs)
self.compute_api = compute.API(skip_policy_check=True)
@wsgi.response(202)
@extensions.expected_errors((404, 409))
@wsgi.action('suspend')
def _suspend(self, req, id, body):
"""Permit admins to suspend the server."""
context = req.environ['nova.context']
authorize(context, action='suspend')
try:
server = common.get_instance(self.compute_api, context, id)
self.compute_api.suspend(context, server)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'suspend', id)
@wsgi.response(202)
@extensions.expected_errors((404, 409))
@wsgi.action('resume')
def _resume(self, req, id, body):
"""Permit admins to resume the server from suspend."""
context = req.environ['nova.context']
authorize(context, action='resume')
try:
server = common.get_instance(self.compute_api, context, id)
self.compute_api.resume(context, server)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'resume', id)
class SuspendServer(extensions.V3APIExtensionBase):
"""Enable suspend/resume server actions."""
name = "SuspendServer"
alias = ALIAS
version = 1
def get_controller_extensions(self):
controller = SuspendServerController()
extension = extensions.ControllerExtension(self, 'servers', controller)
return [extension]
def get_resources(self):
return []