[monitoring-users] check_logfiles returns OK inspite of Error in the log file

Kaushal Shriyan kaushalshriyan at gmail.com
Thu Dec 8 11:01:50 CET 2016


I have gone through the document
labs.consol.de/nagios/check_logfiles/index.html. I am running the below

--criticalpattern "Error message received as stream result. Quitting

OK - no errors or warnings|default_lines=0 default_warnings=0
default_criticals=0 default_unknowns=0

cat /opt/tomcat_gnip/logs/hashapi/gnipclienttest.log
[ERROR] 2016-11-24 04:02:49.176 [pool-4-thread-1] GnipClientLog - Error
message received as stream result. Quitting connection.
[ERROR] 2016-12-01 00:54:18.541 [pool-4-thread-1] GnipClientLog - Error
message received as stream result. Quitting connection.

I am not sure why the command returns OK inspite of having Error in the
/opt/tomcat_gnip/logs/hashapi/gnipclienttest.log file

/usr/lib/nagios/plugins/check_logfiles --version
check_logfiles v3.7.6.3

Usage: check_logfiles [-t timeout] -f <configfile>
check_logfiles [-t timeout] --logfile=<logfile> --tag=<tag>
--criticalpattern=<regexp> --warningpattern=<regexp>

/usr/lib/nagios/plugins/check_logfiles --help
This Nagios Plugin comes with absolutely NO WARRANTY. You may use
it on your own risk!
Copyright by ConSol Software GmbH, Gerhard Lausser.

This plugin looks for patterns in logfiles, even in those who were rotated
since the last run of this plugin.

You can find the complete documentation at

Usage: check_logfiles [-t timeout] -f <configfile>

The configfile looks like this:

$seekfilesdir = '/opt/nagios/var/tmp';
# where the state information will be saved.

$protocolsdir = '/opt/nagios/var/tmp';
# where protocols with found patterns will be stored.

$scriptpath = '/opt/nagios/var/tmp';
# where scripts will be searched for.

$MACROS = { CL_DISK01 => "/dev/dsk/c0d1", CL_DISK02 => "/dev/dsk/c0d2" };

@searches = (
tag => 'temperature',
logfile => '/var/adm/syslog/syslog.log',
rotation => 'bmwhpux',
criticalpatterns => ['OVERTEMP_EMERG', 'Power supply failed'],
warningpatterns => ['OVERTEMP_CRIT', 'Corrected ECC Error'],
options => 'script,protocol,nocount',
script => 'sendnsca_cmd'
tag => 'scsi',
logfile => '/var/adm/messages',
rotation => 'solaris',
criticalpatterns => 'Sense Key: Not Ready',
criticalexceptions => 'Sense Key: Not Ready /dev/testdisk',
options => 'noprotocol'
tag => 'logins',
logfile => '/var/adm/messages',
rotation => 'solaris',
criticalpatterns => ['illegal key', 'read error.*$CL_DISK01$'],
criticalthreshold => 4
warningpatterns => ['read error.*$CL_DISK02$'],

I will appreciate if anyone can help me understand what is going wrong in
my above command line. Please share me some working examples to understand
more about the usage of check_logfiles nagios plugin.

Thanks in Advance.


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