70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
# Copyright 2011 OpenStack Foundation
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# Copyright 2013 IBM Corp.
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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 nova.api.openstack import common
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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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ALIAS = "os-lock-server"
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authorize = extensions.os_compute_authorizer(ALIAS)
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class LockServerController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
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super(LockServerController, self).__init__(*args, **kwargs)
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self.compute_api = compute.API(skip_policy_check=True)
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@wsgi.response(202)
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@extensions.expected_errors(404)
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@wsgi.action('lock')
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def _lock(self, req, id, body):
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"""Lock a server instance."""
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context = req.environ['nova.context']
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authorize(context, action='lock')
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instance = common.get_instance(self.compute_api, context, id)
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self.compute_api.lock(context, instance)
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@wsgi.response(202)
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@extensions.expected_errors(404)
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@wsgi.action('unlock')
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def _unlock(self, req, id, body):
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"""Unlock a server instance."""
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context = req.environ['nova.context']
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authorize(context, action='unlock')
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instance = common.get_instance(self.compute_api, context, id)
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if not self.compute_api.is_expected_locked_by(context, instance):
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authorize(context, target=instance,
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action='unlock:unlock_override')
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self.compute_api.unlock(context, instance)
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class LockServer(extensions.V21APIExtensionBase):
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"""Enable lock/unlock server actions."""
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name = "LockServer"
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alias = ALIAS
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version = 1
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def get_controller_extensions(self):
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controller = LockServerController()
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extension = extensions.ControllerExtension(self, 'servers', controller)
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return [extension]
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def get_resources(self):
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return []
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