On 26 October 2010 10:09, Andrea Imparato imparato.and...@gmail.com wrote:
Hello to all ml,
I have a simple request for you. I have a passive service check
scheduled on my nagios server and a cron script on my clients (they are
all natted) that send me the informations. The question is: which is the
parameter for nagios that say after some period send me an email if you
see nothing happens?. Sorry but I found the documentation a bit
chaotic :\
See:
http://nagios.sourceforge.net/docs/3_0/freshness.html
So the important bits are ...
Make sure it's a passive check:
active_checks_enabled 0
passive_checks_enabled 1
Check whether a fresh check has been received recently:
check_freshness 1
freshness_threshold 93600
Run this this if not fresh:
check_command no-backup-report
In this case, instead of a normal check command, you have a command
defined which will always give you a non-ok warning:
define command{
command_nameno-backup-report
command_line/usr/local/nagios/libexec/check_dummy 2 CRITICAL:
Results of backup job were not reported!
}
Note the check_dummy plugin takes two arguments - the exit code you
want it to return (0=ok, 1=warning, 2=critical, 3=unknown) and the
check result text you want Nagios to display.
I normally do something similar, but with pedantically correct text like so:
define command{
command_namecheck_dummy-checkfail
command_line/usr/local/nagios/libexec/check_dummy 3 UNKNOWN: Nagios
didn't receive a check result from the cron job on this server!
}
Whether you choose to use warning, critical or unknown is up to you.
hth,
Jim
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