OpenStack Study: memcache.py

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# -*- coding: utf-8 -*-

# Copyright 2013 Metacloud, Inc.

# Copyright 2012 OpenStack Foundation

#

# 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 keystone.common import config

from keystone.token.backends import kvs

CONF = config.CONF

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class Token(kvs.Token):

kvs_backend = 'openstack.kvs.Memcached'

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    def __init__(self, *args, **kwargs):

        kwargs['no_expiry_keys'] = [self.revocation_key]

        kwargs['memcached_expire_time'] = CONF.token.expiration

        kwargs['url'] = CONF.memcache.servers

        super(Token, self).__init__(*args, **kwargs)