82 lines
4.0 KiB
Python
82 lines
4.0 KiB
Python
# Copyright (c) 2014 Prashanth Raghu.
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# 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
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# 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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"""Redis storage driver configuration options."""
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from oslo_config import cfg
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_deprecated_group = 'drivers:storage:redis'
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# options common to management and message storage
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_COMMON_REDIS_OPTIONS = (
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cfg.StrOpt('uri', default="redis://127.0.0.1:6379",
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deprecated_opts=[cfg.DeprecatedOpt(
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'uri',
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group=_deprecated_group), ],
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help=('Redis connection URI, taking one of three forms. '
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'For a direct connection to a Redis server, use '
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'the form "redis://[:password]@host[:port][?options]", '
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'where password is redis-server\'s password, when'
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'redis-server is set password, the password option'
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'needs to be set. port defaults to 6379 if not'
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'specified. For an HA master-slave Redis cluster using'
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' Redis Sentinel, use the form '
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'"redis://[:password]@host1[:port1]'
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'[,host2[:port2],...,hostN[:portN]][?options]", '
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'where each host specified corresponds to an '
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'instance of redis-sentinel. In this form, the '
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'name of the Redis master used in the Sentinel '
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'configuration must be included in the query '
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'string as "master=<name>". Finally, to connect '
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'to a local instance of Redis over a unix socket, '
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'you may use the form '
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'"redis:[:password]@/path/to/redis.sock[?options]".'
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' In all forms, the "socket_timeout" option may be'
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'specified in the query string. Its value is '
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'given in seconds. If not provided, '
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'"socket_timeout" defaults to 0.1 seconds.'
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'There are multiple database instances in redis '
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'database, for example in the /etc/redis/redis.conf, '
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'if the parameter is "database 16", there are 16 '
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'database instances. By default, the data is stored '
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'in db = 0 database, if you want to use db = 1 '
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'database, you can use the following form: '
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'"redis://host[:port][?dbid=1]".')),
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cfg.IntOpt('max_reconnect_attempts', default=10,
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deprecated_opts=[cfg.DeprecatedOpt(
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'max_reconnect_attempts',
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group=_deprecated_group), ],
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help=('Maximum number of times to retry an operation that '
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'failed due to a redis node failover.')),
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cfg.FloatOpt('reconnect_sleep', default=1.0,
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deprecated_opts=[cfg.DeprecatedOpt(
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'reconnect_sleep',
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group=_deprecated_group), ],
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help=('Base sleep interval between attempts to reconnect '
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'after a redis node failover. '))
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)
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MANAGEMENT_REDIS_OPTIONS = _COMMON_REDIS_OPTIONS
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MESSAGE_REDIS_OPTIONS = _COMMON_REDIS_OPTIONS
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MANAGEMENT_REDIS_GROUP = 'drivers:management_store:redis'
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MESSAGE_REDIS_GROUP = 'drivers:message_store:redis'
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def _config_options():
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return [(MANAGEMENT_REDIS_GROUP, MANAGEMENT_REDIS_OPTIONS),
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(MESSAGE_REDIS_GROUP, MESSAGE_REDIS_OPTIONS)]
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