mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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198 lines
6.3 KiB
Python
198 lines
6.3 KiB
Python
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# -*- coding: utf-8 -*-
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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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 os
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import os.path
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import shutil
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import sys
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import textwrap
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from twisted.logger import Logger, eventAsText, eventsFromJSONLogFile
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from synapse.config.logger import setup_logging
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from synapse.logging._structured import setup_structured_logging
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from synapse.logging.context import LoggingContext
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from tests.unittest import DEBUG, HomeserverTestCase
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class FakeBeginner(object):
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def beginLoggingTo(self, observers, **kwargs):
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self.observers = observers
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class StructuredLoggingTestCase(HomeserverTestCase):
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"""
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Tests for Synapse's structured logging support.
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"""
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def test_output_to_json_round_trip(self):
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"""
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Synapse logs can be outputted to JSON and then read back again.
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"""
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temp_dir = self.mktemp()
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os.mkdir(temp_dir)
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self.addCleanup(shutil.rmtree, temp_dir)
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json_log_file = os.path.abspath(os.path.join(temp_dir, "out.json"))
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log_config = {
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"drains": {"jsonfile": {"type": "file_json", "location": json_log_file}}
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}
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# Begin the logger with our config
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beginner = FakeBeginner()
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setup_structured_logging(
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self.hs, self.hs.config, log_config, logBeginner=beginner
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)
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# Make a logger and send an event
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logger = Logger(
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namespace="tests.logging.test_structured", observer=beginner.observers[0]
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)
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logger.info("Hello there, {name}!", name="wally")
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# Read the log file and check it has the event we sent
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with open(json_log_file, "r") as f:
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logged_events = list(eventsFromJSONLogFile(f))
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self.assertEqual(len(logged_events), 1)
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# The event pulled from the file should render fine
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self.assertEqual(
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eventAsText(logged_events[0], includeTimestamp=False),
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"[tests.logging.test_structured#info] Hello there, wally!",
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)
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def test_output_to_text(self):
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"""
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Synapse logs can be outputted to text.
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"""
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temp_dir = self.mktemp()
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os.mkdir(temp_dir)
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self.addCleanup(shutil.rmtree, temp_dir)
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log_file = os.path.abspath(os.path.join(temp_dir, "out.log"))
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log_config = {"drains": {"file": {"type": "file", "location": log_file}}}
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# Begin the logger with our config
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beginner = FakeBeginner()
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setup_structured_logging(
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self.hs, self.hs.config, log_config, logBeginner=beginner
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)
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# Make a logger and send an event
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logger = Logger(
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namespace="tests.logging.test_structured", observer=beginner.observers[0]
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)
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logger.info("Hello there, {name}!", name="wally")
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# Read the log file and check it has the event we sent
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with open(log_file, "r") as f:
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logged_events = f.read().strip().split("\n")
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self.assertEqual(len(logged_events), 1)
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# The event pulled from the file should render fine
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self.assertTrue(
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logged_events[0].endswith(
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" - tests.logging.test_structured - INFO - None - Hello there, wally!"
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)
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)
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def test_collects_logcontext(self):
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"""
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Test that log outputs have the attached logging context.
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"""
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log_config = {"drains": {}}
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# Begin the logger with our config
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beginner = FakeBeginner()
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publisher = setup_structured_logging(
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self.hs, self.hs.config, log_config, logBeginner=beginner
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)
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logs = []
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publisher.addObserver(logs.append)
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# Make a logger and send an event
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logger = Logger(
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namespace="tests.logging.test_structured", observer=beginner.observers[0]
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)
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with LoggingContext("testcontext", request="somereq"):
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logger.info("Hello there, {name}!", name="steve")
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self.assertEqual(len(logs), 1)
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self.assertEqual(logs[0]["request"], "somereq")
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class StructuredLoggingConfigurationFileTestCase(HomeserverTestCase):
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def make_homeserver(self, reactor, clock):
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tempdir = self.mktemp()
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os.mkdir(tempdir)
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log_config_file = os.path.abspath(os.path.join(tempdir, "log.config.yaml"))
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self.homeserver_log = os.path.abspath(os.path.join(tempdir, "homeserver.log"))
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config = self.default_config()
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config["log_config"] = log_config_file
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with open(log_config_file, "w") as f:
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f.write(
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textwrap.dedent(
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"""\
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structured: true
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drains:
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file:
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type: file_json
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location: %s
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"""
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% (self.homeserver_log,)
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)
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)
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self.addCleanup(self._sys_cleanup)
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return self.setup_test_homeserver(config=config)
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def _sys_cleanup(self):
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sys.stdout = sys.__stdout__
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sys.stderr = sys.__stderr__
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# Do not remove! We need the logging system to be set other than WARNING.
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@DEBUG
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def test_log_output(self):
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"""
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When a structured logging config is given, Synapse will use it.
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"""
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setup_logging(self.hs, self.hs.config)
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# Make a logger and send an event
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logger = Logger(namespace="tests.logging.test_structured")
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with LoggingContext("testcontext", request="somereq"):
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logger.info("Hello there, {name}!", name="steve")
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with open(self.homeserver_log, "r") as f:
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logged_events = [
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eventAsText(x, includeTimestamp=False) for x in eventsFromJSONLogFile(f)
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]
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logs = "\n".join(logged_events)
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self.assertTrue("***** STARTING SERVER *****" in logs)
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self.assertTrue("Hello there, steve!" in logs)
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