keystone/keystone/catalog/controllers.py

115 lines
4.4 KiB
Python

# Copyright 2012 OpenStack Foundation
# Copyright 2012 Canonical Ltd.
#
# 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 keystone.catalog import schema
from keystone.common import controller
from keystone.common import provider_api
from keystone.common import utils
from keystone.common import validation
from keystone import exception
INTERFACES = ['public', 'internal', 'admin']
PROVIDERS = provider_api.ProviderAPIs
class EndpointV3(controller.V3Controller):
collection_name = 'endpoints'
member_name = 'endpoint'
def __init__(self):
super(EndpointV3, self).__init__()
self.get_member_from_driver = PROVIDERS.catalog_api.get_endpoint
@classmethod
def filter_endpoint(cls, ref):
if 'legacy_endpoint_id' in ref:
ref.pop('legacy_endpoint_id')
ref['region'] = ref['region_id']
return ref
@classmethod
def wrap_member(cls, context, ref):
ref = cls.filter_endpoint(ref)
return super(EndpointV3, cls).wrap_member(context, ref)
def _validate_endpoint_region(self, endpoint, request):
"""Ensure the region for the endpoint exists.
If 'region_id' is used to specify the region, then we will let the
manager/driver take care of this. If, however, 'region' is used,
then for backward compatibility, we will auto-create the region.
"""
if (endpoint.get('region_id') is None and
endpoint.get('region') is not None):
# To maintain backward compatibility with clients that are
# using the v3 API in the same way as they used the v2 API,
# create the endpoint region, if that region does not exist
# in keystone.
endpoint['region_id'] = endpoint.pop('region')
try:
PROVIDERS.catalog_api.get_region(endpoint['region_id'])
except exception.RegionNotFound:
region = dict(id=endpoint['region_id'])
PROVIDERS.catalog_api.create_region(
region, initiator=request.audit_initiator
)
return endpoint
@controller.protected()
def create_endpoint(self, request, endpoint):
validation.lazy_validate(schema.endpoint_create, endpoint)
utils.check_endpoint_url(endpoint['url'])
ref = self._assign_unique_id(self._normalize_dict(endpoint))
ref = self._validate_endpoint_region(ref, request)
ref = PROVIDERS.catalog_api.create_endpoint(
ref['id'], ref, initiator=request.audit_initiator
)
return EndpointV3.wrap_member(request.context_dict, ref)
@controller.filterprotected('interface', 'service_id', 'region_id')
def list_endpoints(self, request, filters):
hints = EndpointV3.build_driver_hints(request, filters)
refs = PROVIDERS.catalog_api.list_endpoints(hints=hints)
return EndpointV3.wrap_collection(request.context_dict,
refs,
hints=hints)
@controller.protected()
def get_endpoint(self, request, endpoint_id):
ref = PROVIDERS.catalog_api.get_endpoint(endpoint_id)
return EndpointV3.wrap_member(request.context_dict, ref)
@controller.protected()
def update_endpoint(self, request, endpoint_id, endpoint):
validation.lazy_validate(schema.endpoint_update, endpoint)
self._require_matching_id(endpoint_id, endpoint)
endpoint = self._validate_endpoint_region(endpoint.copy(),
request)
ref = PROVIDERS.catalog_api.update_endpoint(
endpoint_id, endpoint, initiator=request.audit_initiator
)
return EndpointV3.wrap_member(request.context_dict, ref)
@controller.protected()
def delete_endpoint(self, request, endpoint_id):
return PROVIDERS.catalog_api.delete_endpoint(
endpoint_id, initiator=request.audit_initiator
)