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# Copyright 2012 OpenStack Foundation.
# 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.
#
"""Manage access to the clients, including authenticating when needed.
"""
import debtcollector.renames
from neutronclient import client
from neutronclient.neutron import client as neutron_client
class ClientCache(object):
"""Descriptor class for caching created client handles."""
def __init__(self, factory):
self.factory = factory
self._handle = None
def __get__(self, instance, owner):
# Tell the ClientManager to login to keystone
if self._handle is None:
self._handle = self.factory(instance)
return self._handle
class ClientManager(object):
"""Manages access to API clients, including authentication."""
neutron = ClientCache(neutron_client.make_client)
# Provide support for old quantum commands (for example
# in stable versions)
quantum = neutron
@debtcollector.renames.renamed_kwarg(
'tenant_id', 'project_id', replace=True)
@debtcollector.renames.renamed_kwarg(
'tenant_name', 'project_name', replace=True)
def __init__(self, token=None, url=None,
auth_url=None,
endpoint_type=None,
project_name=None,
project_id=None,
username=None,
user_id=None,
password=None,
region_name=None,
api_version=None,
auth_strategy=None,
insecure=False,
ca_cert=None,
log_credentials=False,
service_type=None,
service_name=None,
timeout=None,
retries=0,
raise_errors=True,
session=None,
auth=None,
):
self._token = token
self._url = url
self._auth_url = auth_url
self._service_type = service_type
self._service_name = service_name
self._endpoint_type = endpoint_type
self._project_name = project_name
self._project_id = project_id
self._username = username
self._user_id = user_id
self._password = password
self._region_name = region_name
self._api_version = api_version
self._service_catalog = None
self._auth_strategy = auth_strategy
self._insecure = insecure
self._ca_cert = ca_cert
self._log_credentials = log_credentials
self._timeout = timeout
self._retries = retries
self._raise_errors = raise_errors
self._session = session
self._auth = auth
return
def initialize(self):
if not self._url:
httpclient = client.construct_http_client(
username=self._username,
user_id=self._user_id,
project_name=self._project_name,
project_id=self._project_id,
password=self._password,
region_name=self._region_name,
auth_url=self._auth_url,
service_type=self._service_type,
service_name=self._service_name,
endpoint_type=self._endpoint_type,
insecure=self._insecure,
ca_cert=self._ca_cert,
timeout=self._timeout,
session=self._session,
auth=self._auth,
log_credentials=self._log_credentials)
httpclient.authenticate()
# Populate other password flow attributes
self._token = httpclient.auth_token
self._url = httpclient.endpoint_url
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