#!/usr/bin/env python # -*- coding: utf-8 -*- # Copyright 2016 OpenMarket Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import synapse from synapse.server import HomeServer from synapse.config._base import ConfigError from synapse.config.database import DatabaseConfig from synapse.config.logger import LoggingConfig from synapse.http.site import SynapseSite from synapse.metrics.resource import MetricsResource, METRICS_PREFIX from synapse.replication.slave.storage.events import SlavedEventStore from synapse.replication.slave.storage.pushers import SlavedPusherStore from synapse.replication.slave.storage.receipts import SlavedReceiptsStore from synapse.storage.engines import create_engine from synapse.storage import DataStore from synapse.util.async import sleep from synapse.util.httpresourcetree import create_resource_tree from synapse.util.logcontext import LoggingContext, preserve_fn from synapse.util.manhole import manhole from synapse.util.rlimit import change_resource_limit from synapse.util.versionstring import get_version_string from twisted.internet import reactor, defer from twisted.web.resource import Resource import sys import logging logger = logging.getLogger("synapse.app.pusher") class SlaveConfig(DatabaseConfig): def read_config(self, config): self.replication_url = config["replication_url"] self.server_name = config["server_name"] self.use_insecure_ssl_client_just_for_testing_do_not_use = config.get( "use_insecure_ssl_client_just_for_testing_do_not_use", False ) self.user_agent_suffix = None self.start_pushers = True self.listeners = config["listeners"] self.soft_file_limit = config.get("soft_file_limit") def default_config(self, **kwargs): return """\ ## Slave ## # The replication listener on the synapse to talk to. #replication_url: https://localhost:{replication_port}/_synapse/replication listeners: [] # Uncomment to enable a ssh manhole listener on the pusher. # - type: manhole # port: {manhole_port} # bind_address: 127.0.0.1 # Uncomment to enable a metric listener on the pusher. # - type: http # port: {metrics_port} # bind_address: 127.0.0.1 # resources: # - names: ["metrics"], # compress: False report_stats: False """ class PusherSlaveConfig(SlaveConfig, LoggingConfig): pass class PusherSlaveStore( SlavedEventStore, SlavedPusherStore, SlavedReceiptsStore ): update_pusher_last_stream_ordering_and_success = ( DataStore.update_pusher_last_stream_ordering_and_success.__func__ ) class PusherServer(HomeServer): def get_db_conn(self, run_new_connection=True): # Any param beginning with cp_ is a parameter for adbapi, and should # not be passed to the database engine. db_params = { k: v for k, v in self.db_config.get("args", {}).items() if not k.startswith("cp_") } db_conn = self.database_engine.module.connect(**db_params) if run_new_connection: self.database_engine.on_new_connection(db_conn) return db_conn def setup(self): logger.info("Setting up.") self.datastore = PusherSlaveStore(self.get_db_conn(), self) logger.info("Finished setting up.") def remove_pusher(self, app_id, push_key, user_id): http_client = self.get_simple_http_client() replication_url = self.config.replication_url url = replication_url + "/remove_pushers" return http_client.post_json_get_json(url, { "remove": [{ "app_id": app_id, "push_key": push_key, "user_id": user_id, }] }) def _listen_http(self, listener_config): port = listener_config["port"] bind_address = listener_config.get("bind_address", "") site_tag = listener_config.get("tag", port) resources = {} for res in listener_config["resources"]: for name in res["names"]: if name == "metrics": resources[METRICS_PREFIX] = MetricsResource(self) root_resource = create_resource_tree(resources, Resource()) reactor.listenTCP( port, SynapseSite( "synapse.access.http.%s" % (site_tag,), site_tag, listener_config, root_resource, ), interface=bind_address ) logger.info("Synapse pusher now listening on port %d", port) def start_listening(self): for listener in self.config.listeners: if listener["type"] == "http": self._listen_http(listener) elif listener["type"] == "manhole": reactor.listenTCP( listener["port"], manhole( username="matrix", password="rabbithole", globals={"hs": self}, ), interface=listener.get("bind_address", '127.0.0.1') ) else: logger.warn("Unrecognized listener type: %s", listener["type"]) @defer.inlineCallbacks def replicate(self): http_client = self.get_simple_http_client() store = self.get_datastore() replication_url = self.config.replication_url pusher_pool = self.get_pusherpool() def stop_pusher(user_id, app_id, pushkey): key = "%s:%s" % (app_id, pushkey) pushers_for_user = pusher_pool.pushers.get(user_id, {}) pusher = pushers_for_user.pop(key, None) if pusher is None: return logger.info("Stopping pusher %r / %r", user_id, key) pusher.on_stop() def start_pusher(user_id, app_id, pushkey): key = "%s:%s" % (app_id, pushkey) logger.info("Starting pusher %r / %r", user_id, key) return pusher_pool._refresh_pusher(app_id, pushkey, user_id) @defer.inlineCallbacks def poke_pushers(results): pushers_rows = set( map(tuple, results.get("pushers", {}).get("rows", [])) ) deleted_pushers_rows = set( map(tuple, results.get("deleted_pushers", {}).get("rows", [])) ) for row in sorted(pushers_rows | deleted_pushers_rows): if row in deleted_pushers_rows: user_id, app_id, pushkey = row[1:4] stop_pusher(user_id, app_id, pushkey) elif row in pushers_rows: user_id = row[1] app_id = row[5] pushkey = row[8] yield start_pusher(user_id, app_id, pushkey) stream = results.get("events") if stream: min_stream_id = stream["rows"][0][0] max_stream_id = stream["position"] preserve_fn(pusher_pool.on_new_notifications)( min_stream_id, max_stream_id ) stream = results.get("receipts") if stream: rows = stream["rows"] affected_room_ids = set(row[1] for row in rows) min_stream_id = rows[0][0] max_stream_id = stream["position"] preserve_fn(pusher_pool.on_new_receipts)( min_stream_id, max_stream_id, affected_room_ids ) while True: try: args = store.stream_positions() args["timeout"] = 30000 result = yield http_client.get_json(replication_url, args=args) yield store.process_replication(result) poke_pushers(result) except: logger.exception("Error replicating from %r", replication_url) sleep(30) def setup(config_options): try: config = PusherSlaveConfig.load_config( "Synapse pusher", config_options ) except ConfigError as e: sys.stderr.write("\n" + e.message + "\n") sys.exit(1) config.setup_logging() database_engine = create_engine(config.database_config) ps = PusherServer( config.server_name, db_config=config.database_config, config=config, version_string=get_version_string("Synapse", synapse), database_engine=database_engine, ) ps.setup() ps.start_listening() change_resource_limit(ps.config.soft_file_limit) def start(): ps.replicate() ps.get_pusherpool().start() ps.get_datastore().start_profiling() reactor.callWhenRunning(start) return ps if __name__ == '__main__': with LoggingContext("main"): ps = setup(sys.argv[1:]) reactor.run()