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https://github.com/element-hq/synapse
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Add worker config module
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synapse/config/workers.py
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71
synapse/config/workers.py
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# -*- coding: utf-8 -*-
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# Copyright 2016 matrix.org
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#
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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 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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import collections
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from ._base import Config
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from .server import read_gc_thresholds
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Worker = collections.namedtuple("Worker", [
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"app",
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"listeners",
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"pid_file",
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"daemonize",
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"log_file",
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"log_config",
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"event_cache_size",
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"soft_file_limit",
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"gc_thresholds",
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"replication_url",
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])
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def clobber_with_worker_config(config, worker_config):
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"""Overrides some of the keys of the main config with worker-specific
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values."""
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config.event_cache_size = worker_config.event_cache_size
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config.replication_url = worker_config.replication_url
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def read_worker_config(config):
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return Worker(
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app=config["app"],
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listeners=config.get("listeners", []),
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pid_file=config.get("pid_file"),
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daemonize=config["daemonize"],
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log_file=config.get("log_file"),
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log_config=config.get("log_config"),
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event_cache_size=Config.parse_size(config.get("event_cache_size", "10K")),
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soft_file_limit=config.get("soft_file_limit"),
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gc_thresholds=read_gc_thresholds(config.get("gc_thresholds")),
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replication_url=config.get("replication_url"),
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)
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class WorkerConfig(Config):
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"""The workers are processes run separately to the main synapse process.
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Each worker has a name that identifies it within the config file.
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They have their own pid_file and listener configuration. They use the
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replication_url to talk to the main synapse process. They have their
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own cache size tuning, gc threshold tuning and open file limits."""
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def read_config(self, config):
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workers = config.get("workers", {})
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self.workers = {
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worker_name: read_worker_config(worker_config)
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for worker_name, worker_config in workers.items()
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}
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