165 lines
6.1 KiB
Python
165 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2016 OpenMarket Ltd
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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 attr
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from ._base import Config, ConfigError, ShardedWorkerHandlingConfig
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from .server import ListenerConfig, parse_listener_def
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@attr.s
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class InstanceLocationConfig:
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"""The host and port to talk to an instance via HTTP replication.
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"""
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host = attr.ib(type=str)
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port = attr.ib(type=int)
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@attr.s
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class WriterLocations:
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"""Specifies the instances that write various streams.
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Attributes:
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events: The instance that writes to the event and backfill streams.
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events: The instance that writes to the typing stream.
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"""
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events = attr.ib(default="master", type=str)
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typing = attr.ib(default="master", type=str)
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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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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."""
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section = "worker"
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def read_config(self, config, **kwargs):
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self.worker_app = config.get("worker_app")
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# Canonicalise worker_app so that master always has None
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if self.worker_app == "synapse.app.homeserver":
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self.worker_app = None
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self.worker_listeners = [
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parse_listener_def(x) for x in config.get("worker_listeners", [])
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]
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self.worker_daemonize = config.get("worker_daemonize")
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self.worker_pid_file = config.get("worker_pid_file")
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self.worker_log_config = config.get("worker_log_config")
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# The host used to connect to the main synapse
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self.worker_replication_host = config.get("worker_replication_host", None)
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# The port on the main synapse for TCP replication
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self.worker_replication_port = config.get("worker_replication_port", None)
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# The port on the main synapse for HTTP replication endpoint
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self.worker_replication_http_port = config.get("worker_replication_http_port")
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self.worker_name = config.get("worker_name", self.worker_app)
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self.worker_main_http_uri = config.get("worker_main_http_uri", None)
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# This option is really only here to support `--manhole` command line
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# argument.
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manhole = config.get("worker_manhole")
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if manhole:
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self.worker_listeners.append(
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ListenerConfig(
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port=manhole, bind_addresses=["127.0.0.1"], type="manhole",
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)
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)
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# Whether to send federation traffic out in this process. This only
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# applies to some federation traffic, and so shouldn't be used to
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# "disable" federation
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self.send_federation = config.get("send_federation", True)
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federation_sender_instances = config.get("federation_sender_instances") or []
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self.federation_shard_config = ShardedWorkerHandlingConfig(
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federation_sender_instances
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)
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# A map from instance name to host/port of their HTTP replication endpoint.
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instance_map = config.get("instance_map") or {}
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self.instance_map = {
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name: InstanceLocationConfig(**c) for name, c in instance_map.items()
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}
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# Map from type of streams to source, c.f. WriterLocations.
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writers = config.get("stream_writers") or {}
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self.writers = WriterLocations(**writers)
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# Check that the configured writer for events and typing also appears in
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# `instance_map`.
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for stream in ("events", "typing"):
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instance = getattr(self.writers, stream)
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if instance != "master" and instance not in self.instance_map:
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raise ConfigError(
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"Instance %r is configured to write %s but does not appear in `instance_map` config."
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% (instance, stream)
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)
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def generate_config_section(self, config_dir_path, server_name, **kwargs):
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return """\
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## Workers ##
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# Disables sending of outbound federation transactions on the main process.
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# Uncomment if using a federation sender worker.
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#
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#send_federation: false
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# It is possible to run multiple federation sender workers, in which case the
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# work is balanced across them.
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#
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# This configuration must be shared between all federation sender workers, and if
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# changed all federation sender workers must be stopped at the same time and then
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# started, to ensure that all instances are running with the same config (otherwise
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# events may be dropped).
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#
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#federation_sender_instances:
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# - federation_sender1
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# When using workers this should be a map from `worker_name` to the
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# HTTP replication listener of the worker, if configured.
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#
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#instance_map:
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# worker1:
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# host: localhost
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# port: 8034
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# Experimental: When using workers you can define which workers should
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# handle event persistence and typing notifications. Any worker
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# specified here must also be in the `instance_map`.
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#
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#stream_writers:
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# events: worker1
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# typing: worker1
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"""
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def read_arguments(self, args):
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# We support a bunch of command line arguments that override options in
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# the config. A lot of these options have a worker_* prefix when running
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# on workers so we also have to override them when command line options
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# are specified.
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if args.daemonize is not None:
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self.worker_daemonize = args.daemonize
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if args.manhole is not None:
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self.worker_manhole = args.worker_manhole
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