Source code for octavia.common.keystone

#    Copyright 2015 Rackspace
#    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.

from keystoneauth1 import loading as ks_loading
from keystonemiddleware import auth_token
from octavia.common import constants
from oslo_config import cfg
from oslo_log import log as logging

LOG = logging.getLogger(__name__)

_NOAUTH_PATHS = ['/', '/load-balancer/']

[docs]class KeystoneSession(object): def __init__(self, section=constants.SERVICE_AUTH): self._session = None self.section = section ks_loading.register_auth_conf_options(cfg.CONF, self.section) ks_loading.register_session_conf_options(cfg.CONF, self.section)
[docs] def get_session(self): """Initializes a Keystone session. :return: a Keystone Session object """ if not self._session: self._auth = ks_loading.load_auth_from_conf_options( cfg.CONF, self.section) self._session = ks_loading.load_session_from_conf_options( cfg.CONF, self.section, auth=self._auth) return self._session
[docs]class SkippingAuthProtocol(auth_token.AuthProtocol): """SkippingAuthProtocol to reach special endpoints Bypasses keystone authentication for special request paths, such as the api version discovery path. Note: SkippingAuthProtocol is lean customization of :py:class:`keystonemiddleware.auth_token.AuthProtocol` that disables keystone communication if the request path is in the _NOAUTH_PATHS list. """
[docs] def process_request(self, request): path = request.path if path in _NOAUTH_PATHS: LOG.info(('Request path is %s and it does not require keystone ' 'authentication'), path) return None # return NONE to reach actual logic return super(SkippingAuthProtocol, self).process_request(request)
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