nova/nova/api/openstack/compute/lock_server.py

52 lines
2.0 KiB
Python

# Copyright 2011 OpenStack Foundation
# 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 nova.api.openstack import common
from nova.api.openstack import wsgi
from nova import compute
from nova.policies import lock_server as ls_policies
class LockServerController(wsgi.Controller):
def __init__(self, *args, **kwargs):
super(LockServerController, self).__init__(*args, **kwargs)
self.compute_api = compute.API()
@wsgi.response(202)
@wsgi.expected_errors(404)
@wsgi.action('lock')
def _lock(self, req, id, body):
"""Lock a server instance."""
context = req.environ['nova.context']
instance = common.get_instance(self.compute_api, context, id)
context.can(ls_policies.POLICY_ROOT % 'lock',
target={'user_id': instance.user_id,
'project_id': instance.project_id})
self.compute_api.lock(context, instance)
@wsgi.response(202)
@wsgi.expected_errors(404)
@wsgi.action('unlock')
def _unlock(self, req, id, body):
"""Unlock a server instance."""
context = req.environ['nova.context']
context.can(ls_policies.POLICY_ROOT % 'unlock')
instance = common.get_instance(self.compute_api, context, id)
if not self.compute_api.is_expected_locked_by(context, instance):
context.can(ls_policies.POLICY_ROOT % 'unlock:unlock_override',
instance)
self.compute_api.unlock(context, instance)