88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# 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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import webob
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from webob import exc
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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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from nova import exception
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from nova.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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ALIAS = "os-suspend-server"
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def authorize(context, action_name):
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action = 'v3:%s:%s' % (ALIAS, action_name)
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extensions.extension_authorizer('compute', action)(context)
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class SuspendServerController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
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super(SuspendServerController, self).__init__(*args, **kwargs)
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self.compute_api = compute.API()
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@extensions.expected_errors((404, 409))
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@wsgi.action('suspend')
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def _suspend(self, req, id, body):
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"""Permit admins to suspend the server."""
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context = req.environ['nova.context']
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authorize(context, 'suspend')
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try:
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server = common.get_instance(self.compute_api, context, id,
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want_objects=True)
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self.compute_api.suspend(context, server)
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except exception.InstanceIsLocked as e:
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raise exc.HTTPConflict(explanation=e.format_message())
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except exception.InstanceInvalidState as state_error:
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common.raise_http_conflict_for_instance_invalid_state(state_error,
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'suspend', id)
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return webob.Response(status_int=202)
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@extensions.expected_errors((404, 409))
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@wsgi.action('resume')
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def _resume(self, req, id, body):
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"""Permit admins to resume the server from suspend."""
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context = req.environ['nova.context']
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authorize(context, 'resume')
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try:
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server = common.get_instance(self.compute_api, context, id,
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want_objects=True)
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self.compute_api.resume(context, server)
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except exception.InstanceIsLocked as e:
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raise exc.HTTPConflict(explanation=e.format_message())
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except exception.InstanceInvalidState as state_error:
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common.raise_http_conflict_for_instance_invalid_state(state_error,
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'resume', id)
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return webob.Response(status_int=202)
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class SuspendServer(extensions.V3APIExtensionBase):
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"""Enable suspend/resume server actions."""
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name = "SuspendServer"
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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 = SuspendServerController()
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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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