59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
import socketio
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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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def parse_redis_service_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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raise ValueError("Invalid Redis URL scheme. Must be 'redis'.")
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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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"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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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_service_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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)
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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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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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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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return [(host, sentinel_port) for host in sentinel_hosts]
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return []
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def get_sentinel_url_from_env(redis_url, sentinel_hosts_env, sentinel_port_env):
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redis_config = parse_redis_service_url(redis_url)
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username = redis_config["username"] or ""
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password = redis_config["password"] or ""
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auth_part = ""
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if username or password:
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auth_part = f"{username}:{password}@"
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hosts_part = ",".join(
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f"{host}:{sentinel_port_env}" for host in sentinel_hosts_env.split(",")
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)
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return f"redis+sentinel://{auth_part}{hosts_part}/{redis_config['db']}/{redis_config['service']}"
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