sonic-buildimage/dockers/docker-base-stretch/etc/rsyslog.conf
Lawrence Lee 207587d97c
[docker-base]: Rate limit priority INFO and lower in syslog (#5666)
There is currently a bug where messages from swss with priority lower than the current log level are still being counted against the syslog rate limiting threshhold. This leads to rate-limiting in syslog when the rate-limiting conditions have not been met, which causes several sonic-mgmt tests to fail since they are dependent on LogAnalyzer. It also omits potentially useful information from the syslog. Only rate-limiting messages of level INFO and lower allows these tests to pass successfully.

Signed-off-by: Lawrence Lee <lawlee@microsoft.com>
2020-10-20 11:52:46 -07:00

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#
# /etc/rsyslog.conf Configuration file for rsyslog.
#
# For more information see
# /usr/share/doc/rsyslog-doc/html/rsyslog_conf.html
#################
#### MODULES ####
#################
$ModLoad imuxsock # provides support for local system logging
#
# Set a rate limit on messages from the container of priority INFO or lower (level 6 and above)
#
$SystemLogRateLimitInterval 300
$SystemLogRateLimitBurst 20000
$SystemLogRateLimitSeverity 6
#$ModLoad imklog # provides kernel logging support
#$ModLoad immark # provides --MARK-- message capability
# provides UDP syslog reception
#$ModLoad imudp
#$UDPServerRun 514
# provides TCP syslog reception
#$ModLoad imtcp
#$InputTCPServerRun 514
###########################
#### GLOBAL DIRECTIVES ####
###########################
# Set remote syslog server
template (name="ForwardFormatInContainer" type="string" string="<%PRI%>%TIMESTAMP:::date-rfc3339% %HOSTNAME% %syslogtag%%msg:::sp-if-no-1st-sp%%msg%")
*.* action(type="omfwd" target="127.0.0.1" port="514" protocol="udp" Template="ForwardFormatInContainer")
#
# Use traditional timestamp format.
# To enable high precision timestamps, comment out the following line.
#
#$ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat
# Define a custom template
$template SONiCFileFormat,"%TIMESTAMP%.%timestamp:::date-subseconds% %HOSTNAME% %syslogseverity-text:::uppercase% %syslogtag%%msg:::sp-if-no-1st-sp%%msg:::drop-last-lf%\n"
$ActionFileDefaultTemplate SONiCFileFormat
#
# Set the default permissions for all log files.
#
$FileOwner root
$FileGroup adm
$FileCreateMode 0640
$DirCreateMode 0755
$Umask 0022
#
# Where to place spool and state files
#
$WorkDirectory /var/spool/rsyslog
#
# Include all config files in /etc/rsyslog.d/
#
$IncludeConfig /etc/rsyslog.d/*.conf
#
# Suppress duplicate messages and report "message repeated n times"
#
$RepeatedMsgReduction on
###############
#### RULES ####
###############