Occasional display of Critical threshold must be float or float triplet! & Event-handlers
Jasmine Chua
jasmine.chua at securecirt.com
Wed Oct 30 19:00:59 CET 2002
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The distributed server actually could use check_nrpe to read the load average
results of the remote server properly, but when it passed the results via
send_nsca to the central monitoring server.
Sometimes, it displays: Critical threshold must be float or float triplet!
But other times, it is Ok.
I have also checked to make sure that not more than one version of Nagios is
running.
Why it displays that load service Ok and not Ok sometimes?
Could someone explain please?
Also, I wanted nagios to restart a program automatically if the load average
is found to be in critical or hard state.
I have created a script 'restart_program' in the
/usr/local/nagios/libexec/event-handlers directory
and enabled the $USER2$ macro in the resource.cfg file and also I have
specified the definition of restart_program in the checkcommands.cfg file.
# 'restart_program' command definition
define command{
command_name restart_program
command_line $USER2$/restart_program $SERVICESTATE$ $STATETYPE$
$SERVICEATTEMPT$
}
Is that the way you specify event_handlers? Just want to know if what I did
will actually work when the load average turns critical or hard.. because the
load average is so far always OK and I couldnt test it out if Nagios could
restart the program automatically if the load is not right. The
restart_program script is already working.
define service{
use passive-service
host_name abc
service_description Load
check_command check-load-runaway!0.90,0.90,0.90!1.00,1.00,1.00
max_check_attempts 3
event_handler restart_program
normal_check_interval 5
retry_check_interval 1
check_period 24x7
notification_interval 0
notification_period 24x7
notifcation_options w,u,c,r
contact_groups admin
}
In the nrpe.cfg of the remote server:
command[check-load-runaway]=/usr/local/nagios/libexec/check_load -w
0.90,0.90,0.90 -c 1.00,1.00,1.00
- --
Jasmine Chua
Security Engineer, SecureCiRT (A SBU of Z-Vance Pte Ltd)
http://www.securecirt.com
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