Chris Yeoh
e3d7f1edf9
This patch contains the changes required to adapt the rescue extension and the corresponding unittest to the v3 framework Partially implements blueprint nova-v3-api Change-Id: Iaa6d0cf7708b0887512db952b1e26ccde75d24ef
101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
# Copyright 2011 OpenStack Foundation
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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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from oslo.config import cfg
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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 import utils
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ALIAS = "os-rescue"
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CONF = cfg.CONF
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authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
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class RescueController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
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super(RescueController, self).__init__(*args, **kwargs)
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self.compute_api = compute.API()
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def _get_instance(self, context, instance_id):
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try:
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return self.compute_api.get(context, instance_id)
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except exception.InstanceNotFound:
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msg = _("Server not found")
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raise exc.HTTPNotFound(msg)
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@wsgi.action('rescue')
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def _rescue(self, req, id, body):
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"""Rescue an instance."""
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context = req.environ["nova.context"]
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authorize(context)
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if body['rescue'] and 'adminPass' in body['rescue']:
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password = body['rescue']['adminPass']
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else:
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password = utils.generate_password()
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instance = self._get_instance(context, id)
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try:
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self.compute_api.rescue(context, instance,
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rescue_password=password)
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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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'rescue')
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except exception.InvalidVolume as volume_error:
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raise exc.HTTPConflict(explanation=volume_error.format_message())
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except exception.InstanceNotRescuable as non_rescuable:
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raise exc.HTTPBadRequest(
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explanation=non_rescuable.format_message())
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return {'adminPass': password}
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@wsgi.action('unrescue')
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def _unrescue(self, req, id, body):
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"""Unrescue an instance."""
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context = req.environ["nova.context"]
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authorize(context)
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instance = self._get_instance(context, id)
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try:
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self.compute_api.unrescue(context, instance)
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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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'unrescue')
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return webob.Response(status_int=202)
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class Rescue(extensions.V3APIExtensionBase):
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"""Instance rescue mode."""
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name = "Rescue"
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alias = ALIAS
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namespace = "http://docs.openstack.org/compute/ext/rescue/api/v3"
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version = 1
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def get_resources(self):
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return []
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def get_controller_extensions(self):
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controller = RescueController()
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extension = extensions.ControllerExtension(self, 'servers', controller)
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return [extension]
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