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synapse/synapse/app/appservice.py
Richard van der Hoff 543c794a76 Factor out common application start
We have 10 copies of this code, and I don't really want to update each one
separately.
2017-08-15 17:04:40 +01:00

188 lines
6.4 KiB
Python

#!/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 logging
import sys
import synapse
from synapse import events
from synapse.app import _base
from synapse.config._base import ConfigError
from synapse.config.homeserver import HomeServerConfig
from synapse.config.logger import setup_logging
from synapse.http.site import SynapseSite
from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
from synapse.replication.slave.storage.directory import DirectoryStore
from synapse.replication.slave.storage.events import SlavedEventStore
from synapse.replication.slave.storage.registration import SlavedRegistrationStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.server import HomeServer
from synapse.storage.engines import create_engine
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.versionstring import get_version_string
from twisted.internet import reactor
from twisted.web.resource import Resource
logger = logging.getLogger("synapse.app.appservice")
class AppserviceSlaveStore(
DirectoryStore, SlavedEventStore, SlavedApplicationServiceStore,
SlavedRegistrationStore,
):
pass
class AppserviceServer(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 = AppserviceSlaveStore(self.get_db_conn(), self)
logger.info("Finished setting up.")
def _listen_http(self, listener_config):
port = listener_config["port"]
bind_addresses = listener_config["bind_addresses"]
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())
for address in bind_addresses:
reactor.listenTCP(
port,
SynapseSite(
"synapse.access.http.%s" % (site_tag,),
site_tag,
listener_config,
root_resource,
),
interface=address
)
logger.info("Synapse appservice now listening on port %d", port)
def start_listening(self, listeners):
for listener in listeners:
if listener["type"] == "http":
self._listen_http(listener)
elif listener["type"] == "manhole":
bind_addresses = listener["bind_addresses"]
for address in bind_addresses:
reactor.listenTCP(
listener["port"],
manhole(
username="matrix",
password="rabbithole",
globals={"hs": self},
),
interface=address
)
else:
logger.warn("Unrecognized listener type: %s", listener["type"])
self.get_tcp_replication().start_replication(self)
def build_tcp_replication(self):
return ASReplicationHandler(self)
class ASReplicationHandler(ReplicationClientHandler):
def __init__(self, hs):
super(ASReplicationHandler, self).__init__(hs.get_datastore())
self.appservice_handler = hs.get_application_service_handler()
def on_rdata(self, stream_name, token, rows):
super(ASReplicationHandler, self).on_rdata(stream_name, token, rows)
if stream_name == "events":
max_stream_id = self.store.get_room_max_stream_ordering()
preserve_fn(
self.appservice_handler.notify_interested_services
)(max_stream_id)
def start(config_options):
try:
config = HomeServerConfig.load_config(
"Synapse appservice", config_options
)
except ConfigError as e:
sys.stderr.write("\n" + e.message + "\n")
sys.exit(1)
assert config.worker_app == "synapse.app.appservice"
setup_logging(config, use_worker_options=True)
events.USE_FROZEN_DICTS = config.use_frozen_dicts
database_engine = create_engine(config.database_config)
if config.notify_appservices:
sys.stderr.write(
"\nThe appservices must be disabled in the main synapse process"
"\nbefore they can be run in a separate worker."
"\nPlease add ``notify_appservices: false`` to the main config"
"\n"
)
sys.exit(1)
# Force the pushers to start since they will be disabled in the main config
config.notify_appservices = True
ps = AppserviceServer(
config.server_name,
db_config=config.database_config,
config=config,
version_string="Synapse/" + get_version_string(synapse),
database_engine=database_engine,
)
ps.setup()
ps.start_listening(config.worker_listeners)
def start():
ps.get_datastore().start_profiling()
ps.get_state_handler().start_caching()
reactor.callWhenRunning(start)
_base.start_worker_reactor("synapse-appservice", config)
if __name__ == '__main__':
with LoggingContext("main"):
start(sys.argv[1:])