640 lines
22 KiB
Python
640 lines
22 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2019 New Vector 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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from __future__ import print_function
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import gc
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import logging
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import math
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import os
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import resource
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import sys
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from six import iteritems
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from prometheus_client import Gauge
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from twisted.application import service
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from twisted.internet import defer, reactor
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from twisted.python.failure import Failure
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from twisted.web.resource import EncodingResourceWrapper, IResource, NoResource
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from twisted.web.server import GzipEncoderFactory
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from twisted.web.static import File
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import synapse
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import synapse.config.logger
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from synapse import events
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from synapse.api.urls import (
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FEDERATION_PREFIX,
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LEGACY_MEDIA_PREFIX,
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MEDIA_PREFIX,
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SERVER_KEY_V2_PREFIX,
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STATIC_PREFIX,
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WEB_CLIENT_PREFIX,
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)
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from synapse.app import _base
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from synapse.app._base import listen_ssl, listen_tcp, quit_with_error
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from synapse.config._base import ConfigError
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from synapse.config.homeserver import HomeServerConfig
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from synapse.federation.transport.server import TransportLayerServer
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from synapse.http.additional_resource import AdditionalResource
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from synapse.http.server import RootRedirect
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from synapse.http.site import SynapseSite
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from synapse.logging.context import LoggingContext
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from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
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from synapse.metrics.background_process_metrics import run_as_background_process
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from synapse.module_api import ModuleApi
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from synapse.python_dependencies import check_requirements
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from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
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from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
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from synapse.rest import ClientRestResource
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from synapse.rest.admin import AdminRestResource
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from synapse.rest.key.v2 import KeyApiV2Resource
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from synapse.rest.well_known import WellKnownResource
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from synapse.server import HomeServer
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from synapse.storage import DataStore
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from synapse.storage.engines import IncorrectDatabaseSetup
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from synapse.storage.prepare_database import UpgradeDatabaseException
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from synapse.util.caches import CACHE_SIZE_FACTOR
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from synapse.util.httpresourcetree import create_resource_tree
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from synapse.util.manhole import manhole
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from synapse.util.module_loader import load_module
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from synapse.util.rlimit import change_resource_limit
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from synapse.util.versionstring import get_version_string
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logger = logging.getLogger("synapse.app.homeserver")
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def gz_wrap(r):
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return EncodingResourceWrapper(r, [GzipEncoderFactory()])
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class SynapseHomeServer(HomeServer):
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DATASTORE_CLASS = DataStore
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def _listener_http(self, config, listener_config):
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port = listener_config["port"]
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bind_addresses = listener_config["bind_addresses"]
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tls = listener_config.get("tls", False)
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site_tag = listener_config.get("tag", port)
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resources = {}
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for res in listener_config["resources"]:
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for name in res["names"]:
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if name == "openid" and "federation" in res["names"]:
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# Skip loading openid resource if federation is defined
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# since federation resource will include openid
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continue
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resources.update(
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self._configure_named_resource(name, res.get("compress", False))
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)
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additional_resources = listener_config.get("additional_resources", {})
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logger.debug("Configuring additional resources: %r", additional_resources)
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module_api = ModuleApi(self, self.get_auth_handler())
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for path, resmodule in additional_resources.items():
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handler_cls, config = load_module(resmodule)
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handler = handler_cls(config, module_api)
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if IResource.providedBy(handler):
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resource = handler
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elif hasattr(handler, "handle_request"):
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resource = AdditionalResource(self, handler.handle_request)
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else:
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raise ConfigError(
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"additional_resource %s does not implement a known interface"
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% (resmodule["module"],)
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)
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resources[path] = resource
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# try to find something useful to redirect '/' to
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if WEB_CLIENT_PREFIX in resources:
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root_resource = RootRedirect(WEB_CLIENT_PREFIX)
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elif STATIC_PREFIX in resources:
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root_resource = RootRedirect(STATIC_PREFIX)
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else:
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root_resource = NoResource()
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root_resource = create_resource_tree(resources, root_resource)
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if tls:
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ports = listen_ssl(
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bind_addresses,
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port,
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SynapseSite(
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"synapse.access.https.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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self.version_string,
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),
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self.tls_server_context_factory,
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reactor=self.get_reactor(),
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)
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logger.info("Synapse now listening on TCP port %d (TLS)", port)
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else:
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ports = listen_tcp(
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bind_addresses,
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port,
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SynapseSite(
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"synapse.access.http.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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self.version_string,
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),
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reactor=self.get_reactor(),
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)
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logger.info("Synapse now listening on TCP port %d", port)
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return ports
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def _configure_named_resource(self, name, compress=False):
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"""Build a resource map for a named resource
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Args:
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name (str): named resource: one of "client", "federation", etc
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compress (bool): whether to enable gzip compression for this
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resource
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Returns:
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dict[str, Resource]: map from path to HTTP resource
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"""
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resources = {}
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if name == "client":
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client_resource = ClientRestResource(self)
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if compress:
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client_resource = gz_wrap(client_resource)
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resources.update(
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{
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"/_matrix/client/api/v1": client_resource,
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"/_matrix/client/r0": client_resource,
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"/_matrix/client/unstable": client_resource,
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"/_matrix/client/v2_alpha": client_resource,
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"/_matrix/client/versions": client_resource,
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"/.well-known/matrix/client": WellKnownResource(self),
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"/_synapse/admin": AdminRestResource(self),
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}
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)
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if self.get_config().saml2_enabled:
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from synapse.rest.saml2 import SAML2Resource
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resources["/_matrix/saml2"] = SAML2Resource(self)
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if name == "consent":
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from synapse.rest.consent.consent_resource import ConsentResource
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consent_resource = ConsentResource(self)
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if compress:
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consent_resource = gz_wrap(consent_resource)
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resources.update({"/_matrix/consent": consent_resource})
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if name == "federation":
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resources.update({FEDERATION_PREFIX: TransportLayerServer(self)})
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if name == "openid":
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resources.update(
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{
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FEDERATION_PREFIX: TransportLayerServer(
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self, servlet_groups=["openid"]
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)
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}
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)
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if name in ["static", "client"]:
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resources.update(
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{
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STATIC_PREFIX: File(
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os.path.join(os.path.dirname(synapse.__file__), "static")
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)
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}
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)
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if name in ["media", "federation", "client"]:
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if self.get_config().enable_media_repo:
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media_repo = self.get_media_repository_resource()
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resources.update(
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{MEDIA_PREFIX: media_repo, LEGACY_MEDIA_PREFIX: media_repo}
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)
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elif name == "media":
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raise ConfigError(
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"'media' resource conflicts with enable_media_repo=False"
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)
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if name in ["keys", "federation"]:
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resources[SERVER_KEY_V2_PREFIX] = KeyApiV2Resource(self)
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if name == "webclient":
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webclient_path = self.get_config().web_client_location
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if webclient_path is None:
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logger.warning(
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"Not enabling webclient resource, as web_client_location is unset."
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)
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else:
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# GZip is disabled here due to
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# https://twistedmatrix.com/trac/ticket/7678
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resources[WEB_CLIENT_PREFIX] = File(webclient_path)
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if name == "metrics" and self.get_config().enable_metrics:
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resources[METRICS_PREFIX] = MetricsResource(RegistryProxy)
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if name == "replication":
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resources[REPLICATION_PREFIX] = ReplicationRestResource(self)
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return resources
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def start_listening(self, listeners):
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config = self.get_config()
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for listener in listeners:
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if listener["type"] == "http":
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self._listening_services.extend(self._listener_http(config, listener))
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elif listener["type"] == "manhole":
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listen_tcp(
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listener["bind_addresses"],
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listener["port"],
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manhole(
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username="matrix", password="rabbithole", globals={"hs": self}
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),
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)
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elif listener["type"] == "replication":
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services = listen_tcp(
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listener["bind_addresses"],
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listener["port"],
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ReplicationStreamProtocolFactory(self),
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)
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for s in services:
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reactor.addSystemEventTrigger("before", "shutdown", s.stopListening)
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elif listener["type"] == "metrics":
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if not self.get_config().enable_metrics:
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logger.warning(
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(
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"Metrics listener configured, but "
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"enable_metrics is not True!"
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)
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)
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else:
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_base.listen_metrics(listener["bind_addresses"], listener["port"])
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else:
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logger.warning("Unrecognized listener type: %s", listener["type"])
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# Gauges to expose monthly active user control metrics
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current_mau_gauge = Gauge("synapse_admin_mau:current", "Current MAU")
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max_mau_gauge = Gauge("synapse_admin_mau:max", "MAU Limit")
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registered_reserved_users_mau_gauge = Gauge(
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"synapse_admin_mau:registered_reserved_users",
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"Registered users with reserved threepids",
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)
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def setup(config_options):
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"""
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Args:
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config_options_options: The options passed to Synapse. Usually
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`sys.argv[1:]`.
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Returns:
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HomeServer
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"""
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try:
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config = HomeServerConfig.load_or_generate_config(
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"Synapse Homeserver", config_options
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)
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except ConfigError as e:
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sys.stderr.write("\nERROR: %s\n" % (e,))
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sys.exit(1)
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if not config:
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# If a config isn't returned, and an exception isn't raised, we're just
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# generating config files and shouldn't try to continue.
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sys.exit(0)
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events.USE_FROZEN_DICTS = config.use_frozen_dicts
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hs = SynapseHomeServer(
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config.server_name,
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config=config,
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version_string="Synapse/" + get_version_string(synapse),
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)
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synapse.config.logger.setup_logging(hs, config, use_worker_options=False)
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logger.info("Setting up server")
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try:
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hs.setup()
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except IncorrectDatabaseSetup as e:
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quit_with_error(str(e))
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except UpgradeDatabaseException as e:
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quit_with_error("Failed to upgrade database: %s" % (e,))
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hs.setup_master()
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@defer.inlineCallbacks
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def do_acme():
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"""
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Reprovision an ACME certificate, if it's required.
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Returns:
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Deferred[bool]: Whether the cert has been updated.
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"""
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acme = hs.get_acme_handler()
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# Check how long the certificate is active for.
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cert_days_remaining = hs.config.is_disk_cert_valid(allow_self_signed=False)
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# We want to reprovision if cert_days_remaining is None (meaning no
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# certificate exists), or the days remaining number it returns
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# is less than our re-registration threshold.
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provision = False
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if (
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cert_days_remaining is None
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or cert_days_remaining < hs.config.acme_reprovision_threshold
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):
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provision = True
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if provision:
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yield acme.provision_certificate()
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return provision
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@defer.inlineCallbacks
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def reprovision_acme():
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"""
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Provision a certificate from ACME, if required, and reload the TLS
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certificate if it's renewed.
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"""
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reprovisioned = yield do_acme()
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if reprovisioned:
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_base.refresh_certificate(hs)
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@defer.inlineCallbacks
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def start():
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try:
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# Run the ACME provisioning code, if it's enabled.
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if hs.config.acme_enabled:
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acme = hs.get_acme_handler()
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# Start up the webservices which we will respond to ACME
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# challenges with, and then provision.
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yield acme.start_listening()
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yield do_acme()
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# Check if it needs to be reprovisioned every day.
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hs.get_clock().looping_call(reprovision_acme, 24 * 60 * 60 * 1000)
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_base.start(hs, config.listeners)
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hs.get_pusherpool().start()
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hs.get_datastore().db.updates.start_doing_background_updates()
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except Exception:
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# Print the exception and bail out.
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print("Error during startup:", file=sys.stderr)
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# this gives better tracebacks than traceback.print_exc()
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Failure().printTraceback(file=sys.stderr)
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if reactor.running:
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reactor.stop()
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sys.exit(1)
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reactor.callWhenRunning(start)
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return hs
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class SynapseService(service.Service):
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"""
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A twisted Service class that will start synapse. Used to run synapse
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via twistd and a .tac.
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"""
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def __init__(self, config):
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self.config = config
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def startService(self):
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hs = setup(self.config)
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change_resource_limit(hs.config.soft_file_limit)
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if hs.config.gc_thresholds:
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gc.set_threshold(*hs.config.gc_thresholds)
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def stopService(self):
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return self._port.stopListening()
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# Contains the list of processes we will be monitoring
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# currently either 0 or 1
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_stats_process = []
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@defer.inlineCallbacks
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def phone_stats_home(hs, stats, stats_process=_stats_process):
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logger.info("Gathering stats for reporting")
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now = int(hs.get_clock().time())
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uptime = int(now - hs.start_time)
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if uptime < 0:
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uptime = 0
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stats["homeserver"] = hs.config.server_name
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stats["server_context"] = hs.config.server_context
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stats["timestamp"] = now
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stats["uptime_seconds"] = uptime
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version = sys.version_info
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stats["python_version"] = "{}.{}.{}".format(
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version.major, version.minor, version.micro
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)
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stats["total_users"] = yield hs.get_datastore().count_all_users()
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total_nonbridged_users = yield hs.get_datastore().count_nonbridged_users()
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stats["total_nonbridged_users"] = total_nonbridged_users
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daily_user_type_results = yield hs.get_datastore().count_daily_user_type()
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for name, count in iteritems(daily_user_type_results):
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stats["daily_user_type_" + name] = count
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room_count = yield hs.get_datastore().get_room_count()
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stats["total_room_count"] = room_count
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stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
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stats["monthly_active_users"] = yield hs.get_datastore().count_monthly_users()
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stats["daily_active_rooms"] = yield hs.get_datastore().count_daily_active_rooms()
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stats["daily_messages"] = yield hs.get_datastore().count_daily_messages()
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r30_results = yield hs.get_datastore().count_r30_users()
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for name, count in iteritems(r30_results):
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stats["r30_users_" + name] = count
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daily_sent_messages = yield hs.get_datastore().count_daily_sent_messages()
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stats["daily_sent_messages"] = daily_sent_messages
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stats["cache_factor"] = CACHE_SIZE_FACTOR
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stats["event_cache_size"] = hs.config.event_cache_size
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#
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# Performance statistics
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#
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old = stats_process[0]
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new = (now, resource.getrusage(resource.RUSAGE_SELF))
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stats_process[0] = new
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# Get RSS in bytes
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stats["memory_rss"] = new[1].ru_maxrss
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# Get CPU time in % of a single core, not % of all cores
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used_cpu_time = (new[1].ru_utime + new[1].ru_stime) - (
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old[1].ru_utime + old[1].ru_stime
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)
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if used_cpu_time == 0 or new[0] == old[0]:
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stats["cpu_average"] = 0
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else:
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stats["cpu_average"] = math.floor(used_cpu_time / (new[0] - old[0]) * 100)
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#
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# Database version
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#
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# This only reports info about the *main* database.
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stats["database_engine"] = hs.get_datastore().db.engine.module.__name__
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stats["database_server_version"] = hs.get_datastore().db.engine.server_version
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logger.info("Reporting stats to %s: %s" % (hs.config.report_stats_endpoint, stats))
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try:
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yield hs.get_proxied_http_client().put_json(
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hs.config.report_stats_endpoint, stats
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)
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except Exception as e:
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logger.warning("Error reporting stats: %s", e)
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def run(hs):
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PROFILE_SYNAPSE = False
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if PROFILE_SYNAPSE:
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def profile(func):
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from cProfile import Profile
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from threading import current_thread
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def profiled(*args, **kargs):
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profile = Profile()
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profile.enable()
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func(*args, **kargs)
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profile.disable()
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ident = current_thread().ident
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profile.dump_stats(
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"/tmp/%s.%s.%i.pstat" % (hs.hostname, func.__name__, ident)
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)
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return profiled
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from twisted.python.threadpool import ThreadPool
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ThreadPool._worker = profile(ThreadPool._worker)
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reactor.run = profile(reactor.run)
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|
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clock = hs.get_clock()
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|
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stats = {}
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|
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def performance_stats_init():
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_stats_process.clear()
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_stats_process.append(
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(int(hs.get_clock().time()), resource.getrusage(resource.RUSAGE_SELF))
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)
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|
|
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def start_phone_stats_home():
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return run_as_background_process(
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|
"phone_stats_home", phone_stats_home, hs, stats
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|
)
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|
|
|
def generate_user_daily_visit_stats():
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|
return run_as_background_process(
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|
"generate_user_daily_visits", hs.get_datastore().generate_user_daily_visits
|
|
)
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|
|
|
# Rather than update on per session basis, batch up the requests.
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|
# If you increase the loop period, the accuracy of user_daily_visits
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|
# table will decrease
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|
clock.looping_call(generate_user_daily_visit_stats, 5 * 60 * 1000)
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|
|
|
# monthly active user limiting functionality
|
|
def reap_monthly_active_users():
|
|
return run_as_background_process(
|
|
"reap_monthly_active_users", hs.get_datastore().reap_monthly_active_users
|
|
)
|
|
|
|
clock.looping_call(reap_monthly_active_users, 1000 * 60 * 60)
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|
reap_monthly_active_users()
|
|
|
|
@defer.inlineCallbacks
|
|
def generate_monthly_active_users():
|
|
current_mau_count = 0
|
|
reserved_users = ()
|
|
store = hs.get_datastore()
|
|
if hs.config.limit_usage_by_mau or hs.config.mau_stats_only:
|
|
current_mau_count = yield store.get_monthly_active_count()
|
|
reserved_users = yield store.get_registered_reserved_users()
|
|
current_mau_gauge.set(float(current_mau_count))
|
|
registered_reserved_users_mau_gauge.set(float(len(reserved_users)))
|
|
max_mau_gauge.set(float(hs.config.max_mau_value))
|
|
|
|
def start_generate_monthly_active_users():
|
|
return run_as_background_process(
|
|
"generate_monthly_active_users", generate_monthly_active_users
|
|
)
|
|
|
|
start_generate_monthly_active_users()
|
|
if hs.config.limit_usage_by_mau or hs.config.mau_stats_only:
|
|
clock.looping_call(start_generate_monthly_active_users, 5 * 60 * 1000)
|
|
# End of monthly active user settings
|
|
|
|
if hs.config.report_stats:
|
|
logger.info("Scheduling stats reporting for 3 hour intervals")
|
|
clock.looping_call(start_phone_stats_home, 3 * 60 * 60 * 1000)
|
|
|
|
# We need to defer this init for the cases that we daemonize
|
|
# otherwise the process ID we get is that of the non-daemon process
|
|
clock.call_later(0, performance_stats_init)
|
|
|
|
# We wait 5 minutes to send the first set of stats as the server can
|
|
# be quite busy the first few minutes
|
|
clock.call_later(5 * 60, start_phone_stats_home)
|
|
|
|
_base.start_reactor(
|
|
"synapse-homeserver",
|
|
soft_file_limit=hs.config.soft_file_limit,
|
|
gc_thresholds=hs.config.gc_thresholds,
|
|
pid_file=hs.config.pid_file,
|
|
daemonize=hs.config.daemonize,
|
|
print_pidfile=hs.config.print_pidfile,
|
|
logger=logger,
|
|
)
|
|
|
|
|
|
def main():
|
|
with LoggingContext("main"):
|
|
# check base requirements
|
|
check_requirements()
|
|
hs = setup(sys.argv[1:])
|
|
run(hs)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|