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synapse/synmark/suites/logging.py
Patrick Cloke 00b24aa545
Support generating structured logs in addition to standard logs. (#8607)
This modifies the configuration of structured logging to be usable from
the standard Python logging configuration.

This also separates the formatting of logs from the transport allowing
JSON logs to files or standard logs to sockets.
2020-10-29 07:27:37 -04:00

130 lines
3.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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 warnings
from io import StringIO
from mock import Mock
from pyperf import perf_counter
from twisted.internet.defer import Deferred
from twisted.internet.protocol import ServerFactory
from twisted.logger import LogBeginner, LogPublisher
from twisted.protocols.basic import LineOnlyReceiver
from synapse.config.logger import _setup_stdlib_logging
from synapse.logging import RemoteHandler
from synapse.util import Clock
class LineCounter(LineOnlyReceiver):
delimiter = b"\n"
def __init__(self, *args, **kwargs):
self.count = 0
super().__init__(*args, **kwargs)
def lineReceived(self, line):
self.count += 1
if self.count >= self.factory.wait_for and self.factory.on_done:
on_done = self.factory.on_done
self.factory.on_done = None
on_done.callback(True)
async def main(reactor, loops):
"""
Benchmark how long it takes to send `loops` messages.
"""
servers = []
def protocol():
p = LineCounter()
servers.append(p)
return p
logger_factory = ServerFactory.forProtocol(protocol)
logger_factory.wait_for = loops
logger_factory.on_done = Deferred()
port = reactor.listenTCP(0, logger_factory, interface="127.0.0.1")
# A fake homeserver config.
class Config:
server_name = "synmark-" + str(loops)
no_redirect_stdio = True
hs_config = Config()
# To be able to sleep.
clock = Clock(reactor)
errors = StringIO()
publisher = LogPublisher()
mock_sys = Mock()
beginner = LogBeginner(
publisher, errors, mock_sys, warnings, initialBufferSize=loops
)
log_config = {
"version": 1,
"loggers": {"synapse": {"level": "DEBUG", "handlers": ["tersejson"]}},
"formatters": {"tersejson": {"class": "synapse.logging.TerseJsonFormatter"}},
"handlers": {
"tersejson": {
"class": "synapse.logging.RemoteHandler",
"host": "127.0.0.1",
"port": port.getHost().port,
"maximum_buffer": 100,
"_reactor": reactor,
}
},
}
logger = logging.getLogger("synapse.logging.test_terse_json")
_setup_stdlib_logging(
hs_config, log_config, logBeginner=beginner,
)
# Wait for it to connect...
for handler in logging.getLogger("synapse").handlers:
if isinstance(handler, RemoteHandler):
break
else:
raise RuntimeError("Improperly configured: no RemoteHandler found.")
await handler._service.whenConnected()
start = perf_counter()
# Send a bunch of useful messages
for i in range(0, loops):
logger.info("test message %s", i)
if len(handler._buffer) == handler.maximum_buffer:
while len(handler._buffer) > handler.maximum_buffer / 2:
await clock.sleep(0.01)
await logger_factory.on_done
end = perf_counter() - start
handler.close()
port.stopListening()
return end