84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
# Copyright 2011 Openstack, LLC.
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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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"""The rescue mode extension."""
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import webob
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from webob import exc
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from nova import compute
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from nova import log as logging
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from nova.api.openstack import extensions as exts
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from nova.api.openstack import faults
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LOG = logging.getLogger("nova.api.contrib.rescue")
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def wrap_errors(fn):
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""""Ensure errors are not passed along."""
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def wrapped(*args):
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try:
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fn(*args)
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except Exception, e:
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return faults.Fault(exc.HTTPInternalServerError())
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return wrapped
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class Rescue(exts.ExtensionDescriptor):
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"""The Rescue controller for the OpenStack API."""
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def __init__(self):
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super(Rescue, self).__init__()
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self.compute_api = compute.API()
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@wrap_errors
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def _rescue(self, input_dict, req, instance_id):
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"""Rescue an instance."""
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context = req.environ["nova.context"]
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self.compute_api.rescue(context, instance_id)
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return webob.Response(status_int=202)
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@wrap_errors
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def _unrescue(self, input_dict, req, instance_id):
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"""Unrescue an instance."""
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context = req.environ["nova.context"]
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self.compute_api.unrescue(context, instance_id)
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return webob.Response(status_int=202)
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def get_name(self):
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return "Rescue"
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def get_alias(self):
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return "os-rescue"
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def get_description(self):
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return "Instance rescue mode"
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def get_namespace(self):
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return "http://docs.openstack.org/ext/rescue/api/v1.1"
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def get_updated(self):
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return "2011-08-18T00:00:00+00:00"
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def get_actions(self):
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"""Return the actions the extension adds, as required by contract."""
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actions = [
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exts.ActionExtension("servers", "rescue", self._rescue),
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exts.ActionExtension("servers", "unrescue", self._unrescue),
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]
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return actions
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