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@@ -3,6 +3,7 @@ import redis
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from redis import asyncio as aioredis
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from urllib.parse import urlparse
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+
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def parse_redis_sentinel_url(redis_url):
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parsed_url = urlparse(redis_url)
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if parsed_url.scheme != "redis":
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@@ -11,39 +12,54 @@ def parse_redis_sentinel_url(redis_url):
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return {
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"username": parsed_url.username or None,
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"password": parsed_url.password or None,
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- "service": parsed_url.hostname or 'mymaster',
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+ "service": parsed_url.hostname or "mymaster",
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"port": parsed_url.port or 6379,
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"db": int(parsed_url.path.lstrip("/") or 0),
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}
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+
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def get_redis_connection(redis_url, redis_sentinels, decode_responses=True):
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if redis_sentinels:
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redis_config = parse_redis_sentinel_url(redis_url)
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sentinel = redis.sentinel.Sentinel(
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redis_sentinels,
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- port=redis_config['port'],
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- db=redis_config['db'],
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- username=redis_config['username'],
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- password=redis_config['password'],
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- decode_responses=decode_responses
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+ port=redis_config["port"],
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+ db=redis_config["db"],
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+ username=redis_config["username"],
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+ password=redis_config["password"],
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+ decode_responses=decode_responses,
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)
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# Get a master connection from Sentinel
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- return sentinel.master_for(redis_config['service'])
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+ return sentinel.master_for(redis_config["service"])
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else:
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# Standard Redis connection
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return redis.Redis.from_url(redis_url, decode_responses=decode_responses)
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+
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def get_sentinels_from_env(sentinel_hosts_env, sentinel_port_env):
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if sentinel_hosts_env:
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- sentinel_hosts=sentinel_hosts_env.split(',')
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- sentinel_port=int(sentinel_port_env)
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+ sentinel_hosts = sentinel_hosts_env.split(",")
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+ sentinel_port = int(sentinel_port_env)
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return [(host, sentinel_port) for host in sentinel_hosts]
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return []
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+
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class AsyncRedisSentinelManager(socketio.AsyncRedisManager):
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- def __init__(self, sentinel_hosts, sentinel_port=26379, redis_port=6379, service="mymaster", db=0,
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- username=None, password=None, channel='socketio', write_only=False, logger=None, redis_options=None):
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+ def __init__(
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+ self,
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+ sentinel_hosts,
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+ sentinel_port=26379,
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+ redis_port=6379,
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+ service="mymaster",
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+ db=0,
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+ username=None,
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+ password=None,
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+ channel="socketio",
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+ write_only=False,
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+ logger=None,
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+ redis_options=None,
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+ ):
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"""
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Initialize the Redis Sentinel Manager.
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This implementation mostly replicates the __init__ of AsyncRedisManager and
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@@ -65,7 +81,7 @@ class AsyncRedisSentinelManager(socketio.AsyncRedisManager):
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``aioredis.from_url()``.
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"""
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self._sentinels = [(host, sentinel_port) for host in sentinel_hosts]
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- self._redis_port=redis_port
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+ self._redis_port = redis_port
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self._service = service
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self._db = db
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self._username = username
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@@ -75,7 +91,9 @@ class AsyncRedisSentinelManager(socketio.AsyncRedisManager):
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# connect and call grandparent constructor
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self._redis_connect()
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- super(socketio.AsyncRedisManager, self).__init__(channel=channel, write_only=write_only, logger=logger)
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+ super(socketio.AsyncRedisManager, self).__init__(
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+ channel=channel, write_only=write_only, logger=logger
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+ )
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def _redis_connect(self):
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"""Establish connections to Redis through Sentinel."""
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@@ -84,7 +102,7 @@ class AsyncRedisSentinelManager(socketio.AsyncRedisManager):
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port=self._redis_port,
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db=self._db,
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password=self._password,
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- **self.redis_options
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+ **self.redis_options,
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)
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self.redis = sentinel.master_for(self._service)
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