102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
# Copyright 2013 Rackspace Hosting
|
|
#
|
|
# 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.
|
|
|
|
"""The shelved mode extension."""
|
|
|
|
from webob import exc
|
|
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack import extensions as exts
|
|
from nova.api.openstack import wsgi
|
|
from nova import compute
|
|
from nova import exception
|
|
|
|
|
|
ALIAS = 'os-shelve'
|
|
authorize = exts.os_compute_authorizer(ALIAS)
|
|
|
|
|
|
class ShelveController(wsgi.Controller):
|
|
def __init__(self, *args, **kwargs):
|
|
super(ShelveController, self).__init__(*args, **kwargs)
|
|
self.compute_api = compute.API(skip_policy_check=True)
|
|
|
|
@wsgi.response(202)
|
|
@exts.expected_errors((404, 409))
|
|
@wsgi.action('shelve')
|
|
def _shelve(self, req, id, body):
|
|
"""Move an instance into shelved mode."""
|
|
context = req.environ["nova.context"]
|
|
authorize(context, action='shelve')
|
|
|
|
instance = common.get_instance(self.compute_api, context, id)
|
|
try:
|
|
self.compute_api.shelve(context, instance)
|
|
except exception.InstanceIsLocked as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'shelve', id)
|
|
|
|
@wsgi.response(202)
|
|
@exts.expected_errors((404, 409))
|
|
@wsgi.action('shelveOffload')
|
|
def _shelve_offload(self, req, id, body):
|
|
"""Force removal of a shelved instance from the compute node."""
|
|
context = req.environ["nova.context"]
|
|
authorize(context, action='shelve_offload')
|
|
|
|
instance = common.get_instance(self.compute_api, context, id)
|
|
try:
|
|
self.compute_api.shelve_offload(context, instance)
|
|
except exception.InstanceIsLocked as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'shelveOffload',
|
|
id)
|
|
|
|
@wsgi.response(202)
|
|
@exts.expected_errors((404, 409))
|
|
@wsgi.action('unshelve')
|
|
def _unshelve(self, req, id, body):
|
|
"""Restore an instance from shelved mode."""
|
|
context = req.environ["nova.context"]
|
|
authorize(context, action='unshelve')
|
|
instance = common.get_instance(self.compute_api, context, id)
|
|
try:
|
|
self.compute_api.unshelve(context, instance)
|
|
except exception.InstanceIsLocked as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'unshelve',
|
|
id)
|
|
|
|
|
|
class Shelve(exts.V21APIExtensionBase):
|
|
"""Instance shelve mode."""
|
|
|
|
name = "Shelve"
|
|
alias = ALIAS
|
|
version = 1
|
|
|
|
def get_controller_extensions(self):
|
|
controller = ShelveController()
|
|
extension = exts.ControllerExtension(self, 'servers', controller)
|
|
return [extension]
|
|
|
|
def get_resources(self):
|
|
return []
|