python-novaclient/novaclient/service_catalog.py

98 lines
2.8 KiB
Python

# Copyright 2011, Piston Cloud Computing, Inc.
# 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.
import re
def get_resource(key):
resource_classes = {
"glance": GlanceCatalog,
"identity": IdentityCatalog,
"keystone": KeystoneCatalog,
"nova": NovaCatalog,
"nova_compat": NovaCompatCatalog,
"swift": SwiftCatalog,
"serviceCatalog": ServiceCatalog,
}
return resource_classes.get(key)
def snake_case(string):
return re.sub(r'([a-z])([A-Z])', r'\1_\2', string).lower()
class CatalogResource(object):
def __repr__(self):
return "<%s: %s>" % (self.__class__.__name__, self.public_url)
def __init__(self, resource_dict):
for key, value in resource_dict.items():
if self.__catalog_key__ in value:
for res_key, res_value in value.items():
for attr, val in res_value.items():
res = get_resource(attr)
if res:
attribute = [res(x) for x in val]
setattr(self, snake_case(attr), attribute)
else:
for key, attr in resource_dict.items():
setattr(self, snake_case(key), attr)
class TokenCatalog(CatalogResource):
__catalog_key__ = "token"
def __repr__(self):
return "<%s: %s>" % (self.__class__.__name__, self.id)
class NovaCatalog(CatalogResource):
__catalog_key__ = "nova"
class KeystoneCatalog(CatalogResource):
__catalog_key__ = 'keystone'
class GlanceCatalog(CatalogResource):
__catalog_key__ = 'glance'
class SwiftCatalog(CatalogResource):
__catalog_key__ = 'swift'
class IdentityCatalog(CatalogResource):
__catalog_key__ = 'identity'
class NovaCompatCatalog(CatalogResource):
__catalog_key__ = "nova_compat"
class ServiceCatalog(CatalogResource):
__catalog_key__ = "serviceCatalog"
def __repr__(self):
return "<%s: %s>" % (self.__class__.__name__, self.token.id)
def __init__(self, resource):
super(ServiceCatalog, self).__init__(resource)
self.token = TokenCatalog(resource["auth"]["token"])
def url_for(self, catalog_class, url):
catalog = getattr(self, catalog_class)
if catalog:
return getattr(catalog[0], url + "_url")