diff options
Diffstat (limited to 'tests/logging')
| -rw-r--r-- | tests/logging/__init__.py | 34 | ||||
| -rw-r--r-- | tests/logging/test_remote_handler.py | 153 | ||||
| -rw-r--r-- | tests/logging/test_structured.py | 214 | ||||
| -rw-r--r-- | tests/logging/test_terse_json.py | 253 |
4 files changed, 257 insertions, 397 deletions
diff --git a/tests/logging/__init__.py b/tests/logging/__init__.py index e69de29bb2..a58d51441c 100644 --- a/tests/logging/__init__.py +++ b/tests/logging/__init__.py @@ -0,0 +1,34 @@ +# -*- 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 + + +class LoggerCleanupMixin: + def get_logger(self, handler): + """ + Attach a handler to a logger and add clean-ups to remove revert this. + """ + # Create a logger and add the handler to it. + logger = logging.getLogger(__name__) + logger.addHandler(handler) + + # Ensure the logger actually logs something. + logger.setLevel(logging.INFO) + + # Ensure the logger gets cleaned-up appropriately. + self.addCleanup(logger.removeHandler, handler) + self.addCleanup(logger.setLevel, logging.NOTSET) + + return logger diff --git a/tests/logging/test_remote_handler.py b/tests/logging/test_remote_handler.py new file mode 100644 index 0000000000..58ee1f2f3c --- /dev/null +++ b/tests/logging/test_remote_handler.py @@ -0,0 +1,153 @@ +# -*- 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. +from twisted.test.proto_helpers import AccumulatingProtocol + +from synapse.logging import RemoteHandler + +from tests.logging import LoggerCleanupMixin +from tests.server import FakeTransport, get_clock +from tests.unittest import TestCase + + +def connect_logging_client(reactor, client_id): + # This is essentially tests.server.connect_client, but disabling autoflush on + # the client transport. This is necessary to avoid an infinite loop due to + # sending of data via the logging transport causing additional logs to be + # written. + factory = reactor.tcpClients.pop(client_id)[2] + client = factory.buildProtocol(None) + server = AccumulatingProtocol() + server.makeConnection(FakeTransport(client, reactor)) + client.makeConnection(FakeTransport(server, reactor, autoflush=False)) + + return client, server + + +class RemoteHandlerTestCase(LoggerCleanupMixin, TestCase): + def setUp(self): + self.reactor, _ = get_clock() + + def test_log_output(self): + """ + The remote handler delivers logs over TCP. + """ + handler = RemoteHandler("127.0.0.1", 9000, _reactor=self.reactor) + logger = self.get_logger(handler) + + logger.info("Hello there, %s!", "wally") + + # Trigger the connection + client, server = connect_logging_client(self.reactor, 0) + + # Trigger data being sent + client.transport.flush() + + # One log message, with a single trailing newline + logs = server.data.decode("utf8").splitlines() + self.assertEqual(len(logs), 1) + self.assertEqual(server.data.count(b"\n"), 1) + + # Ensure the data passed through properly. + self.assertEqual(logs[0], "Hello there, wally!") + + def test_log_backpressure_debug(self): + """ + When backpressure is hit, DEBUG logs will be shed. + """ + handler = RemoteHandler( + "127.0.0.1", 9000, maximum_buffer=10, _reactor=self.reactor + ) + logger = self.get_logger(handler) + + # Send some debug messages + for i in range(0, 3): + logger.debug("debug %s" % (i,)) + + # Send a bunch of useful messages + for i in range(0, 7): + logger.info("info %s" % (i,)) + + # The last debug message pushes it past the maximum buffer + logger.debug("too much debug") + + # Allow the reconnection + client, server = connect_logging_client(self.reactor, 0) + client.transport.flush() + + # Only the 7 infos made it through, the debugs were elided + logs = server.data.splitlines() + self.assertEqual(len(logs), 7) + self.assertNotIn(b"debug", server.data) + + def test_log_backpressure_info(self): + """ + When backpressure is hit, DEBUG and INFO logs will be shed. + """ + handler = RemoteHandler( + "127.0.0.1", 9000, maximum_buffer=10, _reactor=self.reactor + ) + logger = self.get_logger(handler) + + # Send some debug messages + for i in range(0, 3): + logger.debug("debug %s" % (i,)) + + # Send a bunch of useful messages + for i in range(0, 10): + logger.warning("warn %s" % (i,)) + + # Send a bunch of info messages + for i in range(0, 3): + logger.info("info %s" % (i,)) + + # The last debug message pushes it past the maximum buffer + logger.debug("too much debug") + + # Allow the reconnection + client, server = connect_logging_client(self.reactor, 0) + client.transport.flush() + + # The 10 warnings made it through, the debugs and infos were elided + logs = server.data.splitlines() + self.assertEqual(len(logs), 10) + self.assertNotIn(b"debug", server.data) + self.assertNotIn(b"info", server.data) + + def test_log_backpressure_cut_middle(self): + """ + When backpressure is hit, and no more DEBUG and INFOs cannot be culled, + it will cut the middle messages out. + """ + handler = RemoteHandler( + "127.0.0.1", 9000, maximum_buffer=10, _reactor=self.reactor + ) + logger = self.get_logger(handler) + + # Send a bunch of useful messages + for i in range(0, 20): + logger.warning("warn %s" % (i,)) + + # Allow the reconnection + client, server = connect_logging_client(self.reactor, 0) + client.transport.flush() + + # The first five and last five warnings made it through, the debugs and + # infos were elided + logs = server.data.decode("utf8").splitlines() + self.assertEqual( + ["warn %s" % (i,) for i in range(5)] + + ["warn %s" % (i,) for i in range(15, 20)], + logs, + ) diff --git a/tests/logging/test_structured.py b/tests/logging/test_structured.py deleted file mode 100644 index d36f5f426c..0000000000 --- a/tests/logging/test_structured.py +++ /dev/null @@ -1,214 +0,0 @@ -# -*- 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 os -import os.path -import shutil -import sys -import textwrap - -from twisted.logger import Logger, eventAsText, eventsFromJSONLogFile - -from synapse.config.logger import setup_logging -from synapse.logging._structured import setup_structured_logging -from synapse.logging.context import LoggingContext - -from tests.unittest import DEBUG, HomeserverTestCase - - -class FakeBeginner: - def beginLoggingTo(self, observers, **kwargs): - self.observers = observers - - -class StructuredLoggingTestBase: - """ - Test base that registers a cleanup handler to reset the stdlib log handler - to 'unset'. - """ - - def prepare(self, reactor, clock, hs): - def _cleanup(): - logging.getLogger("synapse").setLevel(logging.NOTSET) - - self.addCleanup(_cleanup) - - -class StructuredLoggingTestCase(StructuredLoggingTestBase, HomeserverTestCase): - """ - Tests for Synapse's structured logging support. - """ - - def test_output_to_json_round_trip(self): - """ - Synapse logs can be outputted to JSON and then read back again. - """ - temp_dir = self.mktemp() - os.mkdir(temp_dir) - self.addCleanup(shutil.rmtree, temp_dir) - - json_log_file = os.path.abspath(os.path.join(temp_dir, "out.json")) - - log_config = { - "drains": {"jsonfile": {"type": "file_json", "location": json_log_file}} - } - - # Begin the logger with our config - beginner = FakeBeginner() - setup_structured_logging( - self.hs, self.hs.config, log_config, logBeginner=beginner - ) - - # Make a logger and send an event - logger = Logger( - namespace="tests.logging.test_structured", observer=beginner.observers[0] - ) - logger.info("Hello there, {name}!", name="wally") - - # Read the log file and check it has the event we sent - with open(json_log_file, "r") as f: - logged_events = list(eventsFromJSONLogFile(f)) - self.assertEqual(len(logged_events), 1) - - # The event pulled from the file should render fine - self.assertEqual( - eventAsText(logged_events[0], includeTimestamp=False), - "[tests.logging.test_structured#info] Hello there, wally!", - ) - - def test_output_to_text(self): - """ - Synapse logs can be outputted to text. - """ - temp_dir = self.mktemp() - os.mkdir(temp_dir) - self.addCleanup(shutil.rmtree, temp_dir) - - log_file = os.path.abspath(os.path.join(temp_dir, "out.log")) - - log_config = {"drains": {"file": {"type": "file", "location": log_file}}} - - # Begin the logger with our config - beginner = FakeBeginner() - setup_structured_logging( - self.hs, self.hs.config, log_config, logBeginner=beginner - ) - - # Make a logger and send an event - logger = Logger( - namespace="tests.logging.test_structured", observer=beginner.observers[0] - ) - logger.info("Hello there, {name}!", name="wally") - - # Read the log file and check it has the event we sent - with open(log_file, "r") as f: - logged_events = f.read().strip().split("\n") - self.assertEqual(len(logged_events), 1) - - # The event pulled from the file should render fine - self.assertTrue( - logged_events[0].endswith( - " - tests.logging.test_structured - INFO - None - Hello there, wally!" - ) - ) - - def test_collects_logcontext(self): - """ - Test that log outputs have the attached logging context. - """ - log_config = {"drains": {}} - - # Begin the logger with our config - beginner = FakeBeginner() - publisher = setup_structured_logging( - self.hs, self.hs.config, log_config, logBeginner=beginner - ) - - logs = [] - - publisher.addObserver(logs.append) - - # Make a logger and send an event - logger = Logger( - namespace="tests.logging.test_structured", observer=beginner.observers[0] - ) - - with LoggingContext("testcontext", request="somereq"): - logger.info("Hello there, {name}!", name="steve") - - self.assertEqual(len(logs), 1) - self.assertEqual(logs[0]["request"], "somereq") - - -class StructuredLoggingConfigurationFileTestCase( - StructuredLoggingTestBase, HomeserverTestCase -): - def make_homeserver(self, reactor, clock): - - tempdir = self.mktemp() - os.mkdir(tempdir) - log_config_file = os.path.abspath(os.path.join(tempdir, "log.config.yaml")) - self.homeserver_log = os.path.abspath(os.path.join(tempdir, "homeserver.log")) - - config = self.default_config() - config["log_config"] = log_config_file - - with open(log_config_file, "w") as f: - f.write( - textwrap.dedent( - """\ - structured: true - - drains: - file: - type: file_json - location: %s - """ - % (self.homeserver_log,) - ) - ) - - self.addCleanup(self._sys_cleanup) - - return self.setup_test_homeserver(config=config) - - def _sys_cleanup(self): - sys.stdout = sys.__stdout__ - sys.stderr = sys.__stderr__ - - # Do not remove! We need the logging system to be set other than WARNING. - @DEBUG - def test_log_output(self): - """ - When a structured logging config is given, Synapse will use it. - """ - beginner = FakeBeginner() - publisher = setup_logging(self.hs, self.hs.config, logBeginner=beginner) - - # Make a logger and send an event - logger = Logger(namespace="tests.logging.test_structured", observer=publisher) - - with LoggingContext("testcontext", request="somereq"): - logger.info("Hello there, {name}!", name="steve") - - with open(self.homeserver_log, "r") as f: - logged_events = [ - eventAsText(x, includeTimestamp=False) for x in eventsFromJSONLogFile(f) - ] - - logs = "\n".join(logged_events) - self.assertTrue("***** STARTING SERVER *****" in logs) - self.assertTrue("Hello there, steve!" in logs) diff --git a/tests/logging/test_terse_json.py b/tests/logging/test_terse_json.py index fd128b88e0..73f469b802 100644 --- a/tests/logging/test_terse_json.py +++ b/tests/logging/test_terse_json.py @@ -14,57 +14,33 @@ # limitations under the License. import json -from collections import Counter +import logging +from io import StringIO -from twisted.logger import Logger +from synapse.logging._terse_json import JsonFormatter, TerseJsonFormatter -from synapse.logging._structured import setup_structured_logging +from tests.logging import LoggerCleanupMixin +from tests.unittest import TestCase -from tests.server import connect_client -from tests.unittest import HomeserverTestCase -from .test_structured import FakeBeginner, StructuredLoggingTestBase - - -class TerseJSONTCPTestCase(StructuredLoggingTestBase, HomeserverTestCase): - def test_log_output(self): +class TerseJsonTestCase(LoggerCleanupMixin, TestCase): + def test_terse_json_output(self): """ - The Terse JSON outputter delivers simplified structured logs over TCP. + The Terse JSON formatter converts log messages to JSON. """ - log_config = { - "drains": { - "tersejson": { - "type": "network_json_terse", - "host": "127.0.0.1", - "port": 8000, - } - } - } - - # Begin the logger with our config - beginner = FakeBeginner() - setup_structured_logging( - self.hs, self.hs.config, log_config, logBeginner=beginner - ) - - logger = Logger( - namespace="tests.logging.test_terse_json", observer=beginner.observers[0] - ) - logger.info("Hello there, {name}!", name="wally") - - # Trigger the connection - self.pump() + output = StringIO() - _, server = connect_client(self.reactor, 0) + handler = logging.StreamHandler(output) + handler.setFormatter(TerseJsonFormatter()) + logger = self.get_logger(handler) - # Trigger data being sent - self.pump() + logger.info("Hello there, %s!", "wally") - # One log message, with a single trailing newline - logs = server.data.decode("utf8").splitlines() + # One log message, with a single trailing newline. + data = output.getvalue() + logs = data.splitlines() self.assertEqual(len(logs), 1) - self.assertEqual(server.data.count(b"\n"), 1) - + self.assertEqual(data.count("\n"), 1) log = json.loads(logs[0]) # The terse logger should give us these keys. @@ -72,163 +48,74 @@ class TerseJSONTCPTestCase(StructuredLoggingTestBase, HomeserverTestCase): "log", "time", "level", - "log_namespace", - "request", - "scope", - "server_name", - "name", + "namespace", ] self.assertCountEqual(log.keys(), expected_log_keys) + self.assertEqual(log["log"], "Hello there, wally!") - # It contains the data we expect. - self.assertEqual(log["name"], "wally") - - def test_log_backpressure_debug(self): + def test_extra_data(self): """ - When backpressure is hit, DEBUG logs will be shed. + Additional information can be included in the structured logging. """ - log_config = { - "loggers": {"synapse": {"level": "DEBUG"}}, - "drains": { - "tersejson": { - "type": "network_json_terse", - "host": "127.0.0.1", - "port": 8000, - "maximum_buffer": 10, - } - }, - } - - # Begin the logger with our config - beginner = FakeBeginner() - setup_structured_logging( - self.hs, - self.hs.config, - log_config, - logBeginner=beginner, - redirect_stdlib_logging=False, - ) - - logger = Logger( - namespace="synapse.logging.test_terse_json", observer=beginner.observers[0] - ) + output = StringIO() - # Send some debug messages - for i in range(0, 3): - logger.debug("debug %s" % (i,)) + handler = logging.StreamHandler(output) + handler.setFormatter(TerseJsonFormatter()) + logger = self.get_logger(handler) - # Send a bunch of useful messages - for i in range(0, 7): - logger.info("test message %s" % (i,)) - - # The last debug message pushes it past the maximum buffer - logger.debug("too much debug") - - # Allow the reconnection - _, server = connect_client(self.reactor, 0) - self.pump() - - # Only the 7 infos made it through, the debugs were elided - logs = server.data.splitlines() - self.assertEqual(len(logs), 7) - - def test_log_backpressure_info(self): - """ - When backpressure is hit, DEBUG and INFO logs will be shed. - """ - log_config = { - "loggers": {"synapse": {"level": "DEBUG"}}, - "drains": { - "tersejson": { - "type": "network_json_terse", - "host": "127.0.0.1", - "port": 8000, - "maximum_buffer": 10, - } - }, - } - - # Begin the logger with our config - beginner = FakeBeginner() - setup_structured_logging( - self.hs, - self.hs.config, - log_config, - logBeginner=beginner, - redirect_stdlib_logging=False, - ) - - logger = Logger( - namespace="synapse.logging.test_terse_json", observer=beginner.observers[0] + logger.info( + "Hello there, %s!", "wally", extra={"foo": "bar", "int": 3, "bool": True} ) - # Send some debug messages - for i in range(0, 3): - logger.debug("debug %s" % (i,)) - - # Send a bunch of useful messages - for i in range(0, 10): - logger.warn("test warn %s" % (i,)) - - # Send a bunch of info messages - for i in range(0, 3): - logger.info("test message %s" % (i,)) - - # The last debug message pushes it past the maximum buffer - logger.debug("too much debug") - - # Allow the reconnection - client, server = connect_client(self.reactor, 0) - self.pump() + # One log message, with a single trailing newline. + data = output.getvalue() + logs = data.splitlines() + self.assertEqual(len(logs), 1) + self.assertEqual(data.count("\n"), 1) + log = json.loads(logs[0]) - # The 10 warnings made it through, the debugs and infos were elided - logs = list(map(json.loads, server.data.decode("utf8").splitlines())) - self.assertEqual(len(logs), 10) + # The terse logger should give us these keys. + expected_log_keys = [ + "log", + "time", + "level", + "namespace", + # The additional keys given via extra. + "foo", + "int", + "bool", + ] + self.assertCountEqual(log.keys(), expected_log_keys) - self.assertEqual(Counter([x["level"] for x in logs]), {"WARN": 10}) + # Check the values of the extra fields. + self.assertEqual(log["foo"], "bar") + self.assertEqual(log["int"], 3) + self.assertIs(log["bool"], True) - def test_log_backpressure_cut_middle(self): + def test_json_output(self): """ - When backpressure is hit, and no more DEBUG and INFOs cannot be culled, - it will cut the middle messages out. + The Terse JSON formatter converts log messages to JSON. """ - log_config = { - "loggers": {"synapse": {"level": "DEBUG"}}, - "drains": { - "tersejson": { - "type": "network_json_terse", - "host": "127.0.0.1", - "port": 8000, - "maximum_buffer": 10, - } - }, - } - - # Begin the logger with our config - beginner = FakeBeginner() - setup_structured_logging( - self.hs, - self.hs.config, - log_config, - logBeginner=beginner, - redirect_stdlib_logging=False, - ) + output = StringIO() - logger = Logger( - namespace="synapse.logging.test_terse_json", observer=beginner.observers[0] - ) + handler = logging.StreamHandler(output) + handler.setFormatter(JsonFormatter()) + logger = self.get_logger(handler) - # Send a bunch of useful messages - for i in range(0, 20): - logger.warn("test warn", num=i) + logger.info("Hello there, %s!", "wally") - # Allow the reconnection - client, server = connect_client(self.reactor, 0) - self.pump() + # One log message, with a single trailing newline. + data = output.getvalue() + logs = data.splitlines() + self.assertEqual(len(logs), 1) + self.assertEqual(data.count("\n"), 1) + log = json.loads(logs[0]) - # The first five and last five warnings made it through, the debugs and - # infos were elided - logs = list(map(json.loads, server.data.decode("utf8").splitlines())) - self.assertEqual(len(logs), 10) - self.assertEqual(Counter([x["level"] for x in logs]), {"WARN": 10}) - self.assertEqual([0, 1, 2, 3, 4, 15, 16, 17, 18, 19], [x["num"] for x in logs]) + # The terse logger should give us these keys. + expected_log_keys = [ + "log", + "level", + "namespace", + ] + self.assertCountEqual(log.keys(), expected_log_keys) + self.assertEqual(log["log"], "Hello there, wally!") |