90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from keystoneauth1.access import access as ka_access
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from keystoneauth1.identity import access as ka_access_plugin
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from keystoneauth1.identity import v3 as ka_v3
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from keystoneauth1 import loading as ka_loading
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from keystoneclient.v3 import client as kc_v3
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from oslo_log import log as logging
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from gyan.common import exception
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import gyan.conf
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from gyan.conf import keystone as ksconf
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CONF = gyan.conf.CONF
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LOG = logging.getLogger(__name__)
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class KeystoneClientV3(object):
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"""Keystone client wrapper so we can encapsulate logic in one place."""
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def __init__(self, context):
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self.context = context
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self._client = None
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self._session = None
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@property
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def auth_url(self):
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# FIXME(pauloewerton): auth_url should be retrieved from keystone_auth
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# section by default
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url = CONF[ksconf.CFG_LEGACY_GROUP].www_authenticate_uri or \
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CONF[ksconf.CFG_LEGACY_GROUP].auth_uri
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return url.replace('v2.0', 'v3')
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@property
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def auth_token(self):
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return self.session.get_token()
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@property
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def session(self):
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if self._session:
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return self._session
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auth = self._get_auth()
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session = self._get_session(auth)
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self._session = session
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return session
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def _get_session(self, auth):
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session = ka_loading.load_session_from_conf_options(
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CONF, ksconf.CFG_GROUP, auth=auth)
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return session
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def _get_auth(self):
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if self.context.auth_token_info:
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access_info = ka_access.create(body=self.context.auth_token_info,
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auth_token=self.context.auth_token)
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auth = ka_access_plugin.AccessInfoPlugin(access_info)
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elif self.context.auth_token:
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auth = ka_v3.Token(auth_url=self.auth_url,
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token=self.context.auth_token)
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elif self.context.is_admin:
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auth = ka_loading.load_auth_from_conf_options(CONF,
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ksconf.CFG_GROUP)
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else:
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msg = ('Keystone API connection failed: no password, '
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'trust_id or token found.')
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LOG.error(msg)
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raise exception.AuthorizationFailure(client='keystone',
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message='reason %s' % msg)
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return auth
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@property
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def client(self):
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if self._client:
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return self._client
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client = kc_v3.Client(session=self.session)
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self._client = client
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return client
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