diff --git a/changelog.d/12008.removal b/changelog.d/12008.removal new file mode 100644 index 000000000..57599d9ee --- /dev/null +++ b/changelog.d/12008.removal @@ -0,0 +1 @@ +Remove support for the legacy structured logging configuration (please see the the [upgrade notes](https://matrix-org.github.io/synapse/develop/upgrade#legacy-structured-logging-configuration-removal) if you are using `structured: true` in the Synapse configuration). diff --git a/docs/structured_logging.md b/docs/structured_logging.md index 14db85f58..805c86765 100644 --- a/docs/structured_logging.md +++ b/docs/structured_logging.md @@ -81,14 +81,12 @@ remote endpoint at 10.1.2.3:9999. ## Upgrading from legacy structured logging configuration -Versions of Synapse prior to v1.23.0 included a custom structured logging -configuration which is deprecated. It used a `structured: true` flag and -configured `drains` instead of ``handlers`` and `formatters`. +Versions of Synapse prior to v1.54.0 automatically converted the legacy +structured logging configuration, which was deprecated in v1.23.0, to the standard +library logging configuration. -Synapse currently automatically converts the old configuration to the new -configuration, but this will be removed in a future version of Synapse. The -following reference can be used to update your configuration. Based on the drain -`type`, we can pick a new handler: +The following reference can be used to update your configuration. Based on the +drain `type`, we can pick a new handler: 1. For a type of `console`, `console_json`, or `console_json_terse`: a handler with a class of `logging.StreamHandler` and a `stream` of `ext://sys.stdout` diff --git a/docs/upgrade.md b/docs/upgrade.md index 477d7d0e8..9860ae97b 100644 --- a/docs/upgrade.md +++ b/docs/upgrade.md @@ -85,6 +85,15 @@ process, for example: dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb ``` +# Upgrading to v1.54.0 + +## Legacy structured logging configuration removal + +This release removes support for the `structured: true` logging configuration +which was deprecated in Synapse v1.23.0. If your logging configuration contains +`structured: true` then it should be modified based on the +[structured logging documentation](structured_logging.md). + # Upgrading to v1.53.0 ## Dropping support for `webclient` listeners and non-HTTP(S) `web_client_location` diff --git a/synapse/config/logger.py b/synapse/config/logger.py index b7145a44a..cbbe22196 100644 --- a/synapse/config/logger.py +++ b/synapse/config/logger.py @@ -33,7 +33,6 @@ from twisted.logger import ( globalLogBeginner, ) -from synapse.logging._structured import setup_structured_logging from synapse.logging.context import LoggingContextFilter from synapse.logging.filter import MetadataFilter @@ -138,6 +137,12 @@ Support for the log_file configuration option and --log-file command-line option removed in Synapse 1.3.0. You should instead set up a separate log configuration file. """ +STRUCTURED_ERROR = """\ +Support for the structured configuration option was removed in Synapse 1.54.0. +You should instead use the standard logging configuration. See +https://matrix-org.github.io/synapse/v1.54/structured_logging.html +""" + class LoggingConfig(Config): section = "logging" @@ -292,10 +297,9 @@ def _load_logging_config(log_config_path: str) -> None: if not log_config: logging.warning("Loaded a blank logging config?") - # If the old structured logging configuration is being used, convert it to - # the new style configuration. + # If the old structured logging configuration is being used, raise an error. if "structured" in log_config and log_config.get("structured"): - log_config = setup_structured_logging(log_config) + raise ConfigError(STRUCTURED_ERROR) logging.config.dictConfig(log_config) diff --git a/synapse/logging/_structured.py b/synapse/logging/_structured.py deleted file mode 100644 index b9933a152..000000000 --- a/synapse/logging/_structured.py +++ /dev/null @@ -1,163 +0,0 @@ -# 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 os.path -from typing import Any, Dict, Generator, Optional, Tuple - -from constantly import NamedConstant, Names - -from synapse.config._base import ConfigError - - -class DrainType(Names): - CONSOLE = NamedConstant() - CONSOLE_JSON = NamedConstant() - CONSOLE_JSON_TERSE = NamedConstant() - FILE = NamedConstant() - FILE_JSON = NamedConstant() - NETWORK_JSON_TERSE = NamedConstant() - - -DEFAULT_LOGGERS = {"synapse": {"level": "info"}} - - -def parse_drain_configs( - drains: dict, -) -> Generator[Tuple[str, Dict[str, Any]], None, None]: - """ - Parse the drain configurations. - - Args: - drains (dict): A list of drain configurations. - - Yields: - dict instances representing a logging handler. - - Raises: - ConfigError: If any of the drain configuration items are invalid. - """ - - for name, config in drains.items(): - if "type" not in config: - raise ConfigError("Logging drains require a 'type' key.") - - try: - logging_type = DrainType.lookupByName(config["type"].upper()) - except ValueError: - raise ConfigError( - "%s is not a known logging drain type." % (config["type"],) - ) - - # Either use the default formatter or the tersejson one. - if logging_type in ( - DrainType.CONSOLE_JSON, - DrainType.FILE_JSON, - ): - formatter: Optional[str] = "json" - elif logging_type in ( - DrainType.CONSOLE_JSON_TERSE, - DrainType.NETWORK_JSON_TERSE, - ): - formatter = "tersejson" - else: - # A formatter of None implies using the default formatter. - formatter = None - - if logging_type in [ - DrainType.CONSOLE, - DrainType.CONSOLE_JSON, - DrainType.CONSOLE_JSON_TERSE, - ]: - location = config.get("location") - if location is None or location not in ["stdout", "stderr"]: - raise ConfigError( - ( - "The %s drain needs the 'location' key set to " - "either 'stdout' or 'stderr'." - ) - % (logging_type,) - ) - - yield name, { - "class": "logging.StreamHandler", - "formatter": formatter, - "stream": "ext://sys." + location, - } - - elif logging_type in [DrainType.FILE, DrainType.FILE_JSON]: - if "location" not in config: - raise ConfigError( - "The %s drain needs the 'location' key set." % (logging_type,) - ) - - location = config.get("location") - if os.path.abspath(location) != location: - raise ConfigError( - "File paths need to be absolute, '%s' is a relative path" - % (location,) - ) - - yield name, { - "class": "logging.FileHandler", - "formatter": formatter, - "filename": location, - } - - elif logging_type in [DrainType.NETWORK_JSON_TERSE]: - host = config.get("host") - port = config.get("port") - maximum_buffer = config.get("maximum_buffer", 1000) - - yield name, { - "class": "synapse.logging.RemoteHandler", - "formatter": formatter, - "host": host, - "port": port, - "maximum_buffer": maximum_buffer, - } - - else: - raise ConfigError( - "The %s drain type is currently not implemented." - % (config["type"].upper(),) - ) - - -def setup_structured_logging( - log_config: dict, -) -> dict: - """ - Convert a legacy structured logging configuration (from Synapse < v1.23.0) - to one compatible with the new standard library handlers. - """ - if "drains" not in log_config: - raise ConfigError("The logging configuration requires a list of drains.") - - new_config = { - "version": 1, - "formatters": { - "json": {"class": "synapse.logging.JsonFormatter"}, - "tersejson": {"class": "synapse.logging.TerseJsonFormatter"}, - }, - "handlers": {}, - "loggers": log_config.get("loggers", DEFAULT_LOGGERS), - "root": {"handlers": []}, - } - - for handler_name, handler in parse_drain_configs(log_config["drains"]): - new_config["handlers"][handler_name] = handler - - # Add each handler to the root logger. - new_config["root"]["handlers"].append(handler_name) - - return new_config