trio2o/glancesync/glance/sync/clients.py

90 lines
2.9 KiB
Python

# Copyright (c) 2014 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.
#
# @author: Jia Dong, HuaWei
from oslo.config import cfg
from keystoneclient.v2_0 import client as ksclient
import glance.openstack.common.log as logging
from glanceclient.v2 import client as gclient2
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
class Clients(object):
def __init__(self, auth_token=None, tenant_id=None):
self._keystone = None
self._glance = None
self._cxt_token = auth_token
self._tenant_id = tenant_id
self._ks_conf = cfg.CONF.keystone_authtoken
@property
def auth_token(self, token=None):
return token or self.keystone().auth_token
@property
def ks_url(self):
protocol = self._ks_conf.auth_protocol or 'http'
auth_host = self._ks_conf.auth_host or '127.0.0.1'
auth_port = self._ks_conf.auth_port or '35357'
return protocol + '://' + auth_host + ':' + str(auth_port) + '/v2.0/'
def url_for(self, **kwargs):
return self.keystone().service_catalog.url_for(**kwargs)
def get_urls(self, **kwargs):
return self.keystone().service_catalog.get_urls(**kwargs)
def keystone(self):
if self._keystone:
return self._keystone
if self._cxt_token and self._tenant_id:
creds = {'token': self._cxt_token,
'auth_url': self.ks_url,
'project_id': self._tenant_id
}
else:
creds = {'username': self._ks_conf.admin_user,
'password': self._ks_conf.admin_password,
'auth_url': self.ks_url,
'project_name': self._ks_conf.admin_tenant_name}
try:
self._keystone = ksclient.Client(**creds)
except Exception as e:
LOG.error(_('create keystone client error: reason: %s') % (e))
return None
return self._keystone
def glance(self, auth_token=None, url=None):
gclient = gclient2
if gclient is None:
return None
if self._glance:
return self._glance
args = {
'token': auth_token or self.auth_token,
'endpoint': url or self.url_for(service_type='image')
}
self._glance = gclient.Client(**args)
return self._glance