From 245d53d32a6a98081ba8bf7f7214c8f869e353db Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Wed, 20 Jun 2018 15:33:14 +0100 Subject: Write a clear restart indicator in logs I'm fed up with never being able to find the point a server restarted in the logs. --- synapse/config/logger.py | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) (limited to 'synapse/config') diff --git a/synapse/config/logger.py b/synapse/config/logger.py index 6a7228dc2f..557c270fbe 100644 --- a/synapse/config/logger.py +++ b/synapse/config/logger.py @@ -12,17 +12,20 @@ # 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 ._base import Config -from synapse.util.logcontext import LoggingContextFilter -from twisted.logger import globalLogBeginner, STDLibLogObserver import logging import logging.config -import yaml -from string import Template import os import signal +from string import Template +import sys +from twisted.logger import STDLibLogObserver, globalLogBeginner +import yaml + +import synapse +from synapse.util.logcontext import LoggingContextFilter +from synapse.util.versionstring import get_version_string +from ._base import Config DEFAULT_LOG_CONFIG = Template(""" version: 1 @@ -202,6 +205,15 @@ def setup_logging(config, use_worker_options=False): if getattr(signal, "SIGHUP"): signal.signal(signal.SIGHUP, sighup) + # make sure that the first thing we log is a thing we can grep backwards + # for + logging.warn("***** STARTING SERVER *****") + logging.warn( + "Server %s version %s", + sys.argv[0], get_version_string(synapse), + ) + logging.info("Server hostname: %s", config.server_name) + # It's critical to point twisted's internal logging somewhere, otherwise it # stacks up and leaks kup to 64K object; # see: https://twistedmatrix.com/trac/ticket/8164 -- cgit 1.4.1