keystone/keystone/common/router.py

83 lines
3.2 KiB
Python

# Copyright 2012 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 keystone.common import json_home
from keystone.common import wsgi
class Router(wsgi.ComposableRouter):
def __init__(self, controller, collection_key, key,
resource_descriptions=None,
is_entity_implemented=True,
method_template=None):
self.controller = controller
self.key = key
self.collection_key = collection_key
self._resource_descriptions = resource_descriptions
self._is_entity_implemented = is_entity_implemented
self.method_template = method_template or '%s'
def add_routes(self, mapper):
collection_path = '/%(collection_key)s' % {
'collection_key': self.collection_key}
entity_path = '/%(collection_key)s/{%(key)s_id}' % {
'collection_key': self.collection_key,
'key': self.key}
mapper.connect(
collection_path,
controller=self.controller,
action=self.method_template % 'create_%s' % self.key,
conditions=dict(method=['POST']))
mapper.connect(
collection_path,
controller=self.controller,
action=self.method_template % 'list_%s' % self.collection_key,
conditions=dict(method=['GET', 'HEAD']))
mapper.connect(
entity_path,
controller=self.controller,
action=self.method_template % 'get_%s' % self.key,
conditions=dict(method=['GET', 'HEAD']))
mapper.connect(
entity_path,
controller=self.controller,
action=self.method_template % 'update_%s' % self.key,
conditions=dict(method=['PATCH']))
mapper.connect(
entity_path,
controller=self.controller,
action=self.method_template % 'delete_%s' % self.key,
conditions=dict(method=['DELETE']))
# Add the collection resource and entity resource to the resource
# descriptions.
collection_rel = json_home.build_v3_resource_relation(
self.collection_key)
rel_data = {'href': collection_path, }
self._resource_descriptions.append((collection_rel, rel_data))
if self._is_entity_implemented:
entity_rel = json_home.build_v3_resource_relation(self.key)
id_str = '%s_id' % self.key
id_param_rel = json_home.build_v3_parameter_relation(id_str)
entity_rel_data = {
'href-template': entity_path,
'href-vars': {
id_str: id_param_rel,
},
}
self._resource_descriptions.append((entity_rel, entity_rel_data))