145 lines
5.2 KiB
Python
145 lines
5.2 KiB
Python
#!/usr/bin/env python
|
|
# Copyright (c) 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.
|
|
|
|
"""Auth Components for Consoles."""
|
|
|
|
import time
|
|
|
|
from oslo_log import log as logging
|
|
import oslo_messaging as messaging
|
|
from oslo_serialization import jsonutils
|
|
|
|
from nova import cache_utils
|
|
from nova.cells import rpcapi as cells_rpcapi
|
|
from nova.compute import rpcapi as compute_rpcapi
|
|
import nova.conf
|
|
from nova import context as nova_context
|
|
from nova import manager
|
|
from nova import objects
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
CONF = nova.conf.CONF
|
|
|
|
|
|
class ConsoleAuthManager(manager.Manager):
|
|
"""Manages token based authentication."""
|
|
|
|
target = messaging.Target(version='2.1')
|
|
|
|
def __init__(self, scheduler_driver=None, *args, **kwargs):
|
|
super(ConsoleAuthManager, self).__init__(service_name='consoleauth',
|
|
*args, **kwargs)
|
|
self._mc = None
|
|
self._mc_instance = None
|
|
self.compute_rpcapi = compute_rpcapi.ComputeAPI()
|
|
self.cells_rpcapi = cells_rpcapi.CellsAPI()
|
|
|
|
@property
|
|
def mc(self):
|
|
if self._mc is None:
|
|
self._mc = cache_utils.get_client(CONF.consoleauth.token_ttl)
|
|
return self._mc
|
|
|
|
@property
|
|
def mc_instance(self):
|
|
if self._mc_instance is None:
|
|
self._mc_instance = cache_utils.get_client()
|
|
return self._mc_instance
|
|
|
|
def reset(self):
|
|
LOG.info('Reloading compute RPC API')
|
|
compute_rpcapi.LAST_VERSION = None
|
|
self.compute_rpcapi = compute_rpcapi.ComputeAPI()
|
|
|
|
def _get_tokens_for_instance(self, instance_uuid):
|
|
tokens_str = self.mc_instance.get(instance_uuid.encode('UTF-8'))
|
|
if not tokens_str:
|
|
tokens = []
|
|
else:
|
|
tokens = jsonutils.loads(tokens_str)
|
|
return tokens
|
|
|
|
def authorize_console(self, context, token, console_type, host, port,
|
|
internal_access_path, instance_uuid,
|
|
access_url=None):
|
|
|
|
token_dict = {'token': token,
|
|
'instance_uuid': instance_uuid,
|
|
'console_type': console_type,
|
|
'host': host,
|
|
'port': port,
|
|
'internal_access_path': internal_access_path,
|
|
'access_url': access_url,
|
|
'last_activity_at': time.time()}
|
|
data = jsonutils.dumps(token_dict)
|
|
|
|
self.mc.set(token.encode('UTF-8'), data)
|
|
tokens = self._get_tokens_for_instance(instance_uuid)
|
|
|
|
# Remove the expired tokens from cache.
|
|
token_values = self.mc.get_multi(
|
|
[tok.encode('UTF-8') for tok in tokens])
|
|
tokens = [name for name, value in zip(tokens, token_values)
|
|
if value is not None]
|
|
tokens.append(token)
|
|
|
|
self.mc_instance.set(instance_uuid.encode('UTF-8'),
|
|
jsonutils.dumps(tokens))
|
|
token_dict['token'] = '***'
|
|
LOG.info("Received Token: %(token_dict)s", {'token_dict': token_dict})
|
|
|
|
def _validate_token(self, context, token):
|
|
instance_uuid = token['instance_uuid']
|
|
if instance_uuid is None:
|
|
return False
|
|
|
|
# NOTE(comstud): consoleauth was meant to run in API cells. So,
|
|
# if cells is enabled, we must call down to the child cell for
|
|
# the instance.
|
|
if CONF.cells.enable:
|
|
return self.cells_rpcapi.validate_console_port(context,
|
|
instance_uuid, token['port'], token['console_type'])
|
|
|
|
mapping = objects.InstanceMapping.get_by_instance_uuid(context,
|
|
instance_uuid)
|
|
with nova_context.target_cell(context, mapping.cell_mapping) as cctxt:
|
|
instance = objects.Instance.get_by_uuid(cctxt, instance_uuid)
|
|
|
|
return self.compute_rpcapi.validate_console_port(
|
|
cctxt,
|
|
instance,
|
|
token['port'],
|
|
token['console_type'])
|
|
|
|
def check_token(self, context, token):
|
|
token_str = self.mc.get(token.encode('UTF-8'))
|
|
token_valid = (token_str is not None)
|
|
LOG.info("Checking that token is known: %(token_valid)s",
|
|
{'token_valid': token_valid})
|
|
if token_valid:
|
|
token = jsonutils.loads(token_str)
|
|
if self._validate_token(context, token):
|
|
return token
|
|
|
|
def delete_tokens_for_instance(self, context, instance_uuid):
|
|
tokens = self._get_tokens_for_instance(instance_uuid)
|
|
if tokens:
|
|
self.mc.delete_multi(
|
|
[tok.encode('UTF-8') for tok in tokens])
|
|
self.mc_instance.delete(instance_uuid.encode('UTF-8'))
|