nova/nova/api/openstack/compute/contrib/hide_server_addresses.py

88 lines
3.1 KiB
Python

# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
# 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.
"""Extension for hiding server addresses in certain states."""
from oslo.config import cfg
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova.compute import vm_states
opts = [
cfg.ListOpt('osapi_hide_server_address_states',
default=[vm_states.BUILDING],
help='List of instance states that should hide network info'),
]
CONF = cfg.CONF
CONF.register_opts(opts)
authorize = extensions.soft_extension_authorizer('compute',
'hide_server_addresses')
class Controller(wsgi.Controller):
def __init__(self, *args, **kwargs):
super(Controller, self).__init__(*args, **kwargs)
hidden_states = CONF.osapi_hide_server_address_states
# NOTE(jkoelker) _ is not considered uppercase ;)
valid_vm_states = [getattr(vm_states, state)
for state in dir(vm_states)
if state.isupper()]
self.hide_address_states = [state.lower()
for state in hidden_states
if state in valid_vm_states]
def _perhaps_hide_addresses(self, instance, resp_server):
if instance.get('vm_state') in self.hide_address_states:
resp_server['addresses'] = {}
@wsgi.extends
def show(self, req, resp_obj, id):
resp = resp_obj
if not authorize(req.environ['nova.context']):
return
if 'server' in resp.obj and 'addresses' in resp.obj['server']:
instance = req.get_db_instance(id)
self._perhaps_hide_addresses(instance, resp.obj['server'])
@wsgi.extends
def detail(self, req, resp_obj):
resp = resp_obj
if not authorize(req.environ['nova.context']):
return
for server in list(resp.obj['servers']):
if 'addresses' in server:
instance = req.get_db_instance(server['id'])
self._perhaps_hide_addresses(instance, server)
class Hide_server_addresses(extensions.ExtensionDescriptor):
"""Support hiding server addresses in certain states."""
name = 'HideServerAddresses'
alias = 'os-hide-server-addresses'
namespace = ('http://docs.openstack.org/compute/ext/'
'hide_server_addresses/api/v1.1')
updated = '2012-12-11T00:00:00+00:00'
def get_controller_extensions(self):
return [extensions.ControllerExtension(self, 'servers', Controller())]