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