0885397d10
Initial PoC source code for Tricircle, the project for OpenStack cascading solution. Change-Id: I8abc93839a26446cb61c8d9004dfd812bd91de6e
90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# @author: Jia Dong, HuaWei
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from oslo.config import cfg
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from keystoneclient.v2_0 import client as ksclient
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import glance.openstack.common.log as logging
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from glanceclient.v2 import client as gclient2
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class Clients(object):
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def __init__(self, auth_token=None, tenant_id=None):
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self._keystone = None
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self._glance = None
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self._cxt_token = auth_token
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self._tenant_id = tenant_id
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self._ks_conf = cfg.CONF.keystone_authtoken
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@property
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def auth_token(self, token=None):
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return token or self.keystone().auth_token
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@property
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def ks_url(self):
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protocol = self._ks_conf.auth_protocol or 'http'
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auth_host = self._ks_conf.auth_host or '127.0.0.1'
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auth_port = self._ks_conf.auth_port or '35357'
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return protocol + '://' + auth_host + ':' + str(auth_port) + '/v2.0/'
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def url_for(self, **kwargs):
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return self.keystone().service_catalog.url_for(**kwargs)
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def get_urls(self, **kwargs):
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return self.keystone().service_catalog.get_urls(**kwargs)
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def keystone(self):
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if self._keystone:
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return self._keystone
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if self._cxt_token and self._tenant_id:
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creds = {'token': self._cxt_token,
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'auth_url': self.ks_url,
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'project_id': self._tenant_id
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}
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else:
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creds = {'username': self._ks_conf.admin_user,
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'password': self._ks_conf.admin_password,
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'auth_url': self.ks_url,
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'project_name': self._ks_conf.admin_tenant_name}
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try:
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self._keystone = ksclient.Client(**creds)
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except Exception as e:
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LOG.error(_('create keystone client error: reason: %s') % (e))
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return None
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return self._keystone
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def glance(self, auth_token=None, url=None):
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gclient = gclient2
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if gclient is None:
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return None
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if self._glance:
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return self._glance
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args = {
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'token': auth_token or self.auth_token,
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'endpoint': url or self.url_for(service_type='image')
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}
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self._glance = gclient.Client(**args)
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return self._glance
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