54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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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Datastore:
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MAKE Sure that ReDIS is running, and your flags are set properly,
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before trying to run this.
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"""
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import logging
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import redis
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from nova import flags
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FLAGS = flags.FLAGS
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flags.DEFINE_string('redis_host', '127.0.0.1',
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'Host that redis is running on.')
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flags.DEFINE_integer('redis_port', 6379,
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'Port that redis is running on.')
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flags.DEFINE_integer('redis_db', 0, 'Multiple DB keeps tests away')
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class Redis(object):
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def __init__(self):
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if hasattr(self.__class__, '_instance'):
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raise Exception('Attempted to instantiate singleton')
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@classmethod
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def instance(cls):
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if not hasattr(cls, '_instance'):
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inst = redis.Redis(host=FLAGS.redis_host,
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port=FLAGS.redis_port,
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db=FLAGS.redis_db)
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cls._instance = inst
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return cls._instance
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