Merge #3235

3235: Tweaks to logging r=mergify[bot] a=nextgens

## What type of PR?

enhancement

## What does this PR do?

Make the default ``LOG_LEVEL=INFO`` ; ensure that admin does not log the access log unless it's set to ``DEBUG``
This ensures we see the authentication related messages.

### Related issue(s)

## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [ ] In case of feature or enhancement: documentation updated accordingly
- [ ] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: Florent Daigniere <nextgens@freenetproject.org>

core/admin/mailu/__init__.py

@@ -11,7 +11,14 @@ import logging
 import hmac
 
 class NoPingFilter(logging.Filter):
+    skipAccessLogs = False
+
+    def __init__(self, filterAccessLogs=False):
+        self.skipAccessLogs = filterAccessLogs
+
     def filter(self, record):
+        if self.skipAccessLogs and record.args['r'].endswith(' HTTP/1.1'):
+            return False
         if record.args['r'].endswith(' /ping HTTP/1.1'):
             return False
         if record.args['r'].endswith(' /internal/rspamd/local_domains HTTP/1.1'):
@@ -24,7 +31,7 @@ class Logger(glogging.Logger):
 
         # Add filters to Gunicorn logger
         logger = logging.getLogger("gunicorn.access")
-        logger.addFilter(NoPingFilter())
+        logger.addFilter(NoPingFilter(logger.getEffectiveLevel()>logging.DEBUG))
 
 def create_app_from_config(config):
     """ Create a new application based on the given configuration

setup/flavors/compose/mailu.env

@@ -178,7 +178,7 @@ REAL_IP_FROM={{ real_ip_from }}
 REJECT_UNLISTED_RECIPIENT={{ reject_unlisted_recipient }}
 
 # Log level threshold in start.py (value: CRITICAL, ERROR, WARNING, INFO, DEBUG, NOTSET)
-LOG_LEVEL=WARNING
+LOG_LEVEL=INFO
 
 # Timezone for the Mailu containers. See this link for all possible values https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
 TZ=Etc/UTC