zaqar/zaqar/conf/drivers_message_store_redis.py

87 lines
3.2 KiB
Python

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