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# Copyright 2013 OpenStack Foundation
#
# 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 keystone.catalog.backends import sql
from keystone.catalog import core as catalog_core
from keystone.common import dependency
from keystone import exception
CONF = cfg.CONF
@dependency.requires('endpoint_filter_api')
class EndpointFilterCatalog(sql.Catalog):
def get_v3_catalog(self, user_id, project_id):
substitutions = dict(CONF.items())
substitutions.update({'tenant_id': project_id, 'user_id': user_id})
services = {}
refs = self.endpoint_filter_api.list_endpoints_for_project(project_id)
if (not refs and
CONF.endpoint_filter.return_all_endpoints_if_no_filter):
return super(EndpointFilterCatalog, self).get_v3_catalog(
user_id, project_id)
for entry in refs:
try:
endpoint = self.get_endpoint(entry['endpoint_id'])
if not endpoint['enabled']:
# Skip disabled endpoints.
continue
service_id = endpoint['service_id']
services.setdefault(
service_id,
self.get_service(service_id))
service = services[service_id]
del endpoint['service_id']
del endpoint['enabled']
del endpoint['legacy_endpoint_id']
endpoint['url'] = catalog_core.format_url(
endpoint['url'], substitutions)
# populate filtered endpoints
if 'endpoints' in services[service_id]:
service['endpoints'].append(endpoint)
else:
service['endpoints'] = [endpoint]
except exception.EndpointNotFound:
# remove bad reference from association
self.endpoint_filter_api.remove_endpoint_from_project(
entry['endpoint_id'], project_id)
# format catalog
catalog = []
for service_id, service in services.items():
formatted_service = {}
formatted_service['id'] = service['id']
formatted_service['type'] = service['type']
formatted_service['endpoints'] = service['endpoints']
catalog.append(formatted_service)
return catalog
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