SNMP Process check
G Davies
yawbea at gmail.com
Tue Oct 18 15:53:05 CEST 2005
I'm fairly new to Nagios (ok, I installed it this morning) but I think
I've understood things correctly yet I still can't get a plugin to
work as expected.
The plugin in question monitors whether a specific process is running
on a Win2k machine using SNMP, if I run it from the command line I
get...
hostname:/usr/lib/nagios/plugins# ./check_snmp_process.pl -H <IP
removed> -C <community removed> -n BRMService.exe
1 process matching BRMService.exe (> 0)
echo $? shows the return value was 0 so as far as I can see (according
to the plugin development guidelines) everything is working to spec (1
line returned, return value of 0).
However, from Nagios I get "No Output!" in the status information
field and a critical warning. I tried the debug method suggested in
the Wiki (http://www.nagios.org/faqs/viewfaq.php?faq_id=162) and I get
the correct parameters in the log file (incidentally, there's a >>
missing from line 3 of that example script) but still nothing
returned.
Permissions on the script are the same as for all the other plugins
(check_ping is working fine on that host) and it works ok from the
command line so I have no idea what's wrong.
The relevant services.cfg fragment is below...
define service {
use generic-service
name check_brm_process
host_name <hostname removed>
service_description BRM Rules Monitor
is_volatile 0
check_period 24x7
max_check_attempts 3
normal_check_interval 5
retry_check_interval 1
contact_groups nt-admins
notification_interval 120
notification_period 24x7
notification_options c,r
check_command check_snmp_process!public!BRMService.exe
register 1
}
...and here's the relevant checkservices.cfg fragment...
define command{
command_name check_snmp_process
command_line $USER1$/check_snmp_process.pl -H $HOSTADDRESS$
-C $ARG1$ -n $ARG2$
}
Have I done something stupid? As far as I can see it should all work fine.
Regards,
G
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