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1180ea99fa
Remove GlobalLock from Redis model cache implementation in favor of 'nx=True' when setting the key. Signed-off-by: Alec Merdler <alecmerdler@gmail.com>
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
from data.cache.impl import (
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NoopDataModelCache,
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InMemoryDataModelCache,
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MemcachedModelCache,
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RedisDataModelCache,
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DisconnectWrapper,
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)
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def get_model_cache(config):
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"""
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Returns a data model cache matching the given configuration.
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"""
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cache_config = config.get("DATA_MODEL_CACHE_CONFIG", {})
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engine = cache_config.get("engine", "noop")
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if engine == "noop":
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return NoopDataModelCache()
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if engine == "inmemory":
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return InMemoryDataModelCache()
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if engine == "memcached":
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endpoint = cache_config.get("endpoint", None)
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if endpoint is None:
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raise Exception("Missing `endpoint` for memcached model cache configuration")
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timeout = cache_config.get("timeout")
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connect_timeout = cache_config.get("connect_timeout")
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predisconnect = cache_config.get("predisconnect_from_db")
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cache = MemcachedModelCache(endpoint, timeout=timeout, connect_timeout=connect_timeout)
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if predisconnect:
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cache = DisconnectWrapper(cache, config)
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return cache
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if engine == "redis":
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host = cache_config.get("host", None)
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if host is None:
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raise Exception("Missing `host` for Redis model cache configuration")
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return RedisDataModelCache(
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host=host,
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port=cache_config.get("port", 6379),
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password=cache_config.get("password", None),
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db=cache_config.get("db", 0),
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ca_cert=cache_config.get("ca_cert", None),
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ssl=cache_config.get("ssl", False),
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)
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raise Exception("Unknown model cache engine `%s`" % engine)
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