vmware-nsx/vmware_nsx/plugins/nsx/utils.py
Adit Sarfaty c6c155c1aa TVD: Add service plugins to separate list results
Adding service plugins for QoS, VPNaaS and L2Gateway
and updating the BGP plugin
to prevent users from getting objects belonging to a different
plugin

Change-Id: I3545c3acefaf50ca6937a0b7a65c131c569317cd
2018-02-20 10:34:18 +02:00

83 lines
2.7 KiB
Python

# Copyright 2014 VMware, Inc.
# 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.
from oslo_config import cfg
from neutron_lib import context as n_context
from neutron_lib import exceptions
from neutron_lib.plugins import directory
from vmware_nsx.db import db as nsx_db
def is_tvd_core_plugin():
core_plugin = cfg.CONF.core_plugin
if (core_plugin.endswith('NsxTVDPlugin') or
core_plugin.endswith('vmware_nsxtvd')):
return True
return False
def get_tvd_plugin_type_for_project(project_id, context=None):
"""Get the plugin type used by a project
Raise an exception if not found or the plugin is not in use
"""
if not context:
context = n_context.get_admin_context()
core_plugin = directory.get_plugin()
return core_plugin.get_plugin_type_from_project(context, project_id)
def filter_plugins(cls):
"""
Class decorator to separate the results of each of the given methods
by plugin
"""
def get_project_mapping(context, project_id):
"""Return the plugin associated with this project"""
mapping = nsx_db.get_project_plugin_mapping(
context.session, project_id)
if mapping:
return mapping['plugin']
else:
raise exceptions.ObjectNotFound(id=project_id)
def add_separate_plugin_hook(name):
orig_method = getattr(cls, name, None)
def filter_results_by_plugin(self, context, **kwargs):
"""Run the original get-list method, and filter the results
by the project id of the context
"""
entries = orig_method(self, context, **kwargs)
if not context.project_id:
return entries
req_p = get_project_mapping(context, context.project_id)
for entry in entries[:]:
if entry.get('tenant_id'):
p = get_project_mapping(context, entry['tenant_id'])
if p != req_p:
entries.remove(entry)
return entries
setattr(cls, name, filter_results_by_plugin)
for method in cls.methods_to_separate:
add_separate_plugin_hook(method)
return cls