ambari/ambari-agent/conf/unix/logging.conf.sample

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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
#
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# See the License for the specific

#To create separate log levels and log files for different classes and modules,
# user should rename current file to "logging.conf" and restart ambari-agent.
# Before restart, user have to define his own loggers and handlers which be
# logging accordingly their qualname's 

# Loggers definitions section. 
# root logger definition is mandatory.
# User can define so many loggers as need
# User defined loggers have to described in separate sections e.g. [logger_<logger name>]
[loggers]
keys=root,Controller

# Handlers section defined name of handlers which processed log info
# At least one handler should be defined.
# Settings of user defined have to be done in [handler_<user defined handler name>] section
[handlers]
keys=logfile

# This section defined name of formatters for which use to formate log string
# Format of string have to be defined in [formatter_<formatter name>] section
[formatters]
keys=logfileformatter

# This section is mandatory! This section defined settings for root logge
[logger_root]
level=WARNING
handlers=logfile

# Settings of user defined logger called Controller (this logger added as example)
# level - for this logger can be different from root log level and can be:
# CRITICAL|ERROR|WARNING|INFO|DEBUG
# If level was not defined, by default it will be NOTSET
# handler - name of handler which will be processed log (mandatory)
# qualname - fully qualified name of logger (mandatory)
# Usually qualname of logger defined in code as logger = logging.getLogger(__name__) that the same to file name
[logger_Controller]
level=DEBUG
handlers=logfile
qualname=Controller

# Format of log string definition
[formatter_logfileformatter]
format=%(levelname)s %(asctime)s %(filename)s:%(lineno)d - %(message)s

# Definition of handler for logging
# User can create different type of handlers
[handler_logfile]
class=handlers.RotatingFileHandler
level=DEBUG
args=('/var/log/ambari-agent/ambari-agent.log',"a", 10000000, 25)
formatter=logfileformatter