global event handlers firing sporadically in 1 .1
Dan Hopkins
dan.hopkins at uk.easynet.net
Tue Mar 23 12:00:17 CET 2004
The service level event handlers are all disabled (at least I assuming
default value is disabled - the docs aren't explicit, but this would make
sense with no event_handler defined or inherited)
grep -c event_handler /usr/local/etc/nagios/services.cfg
0
I can try turning on event_handler_enabled in each service definition - but
I would be more inclined to suspect this if the global event handler *never*
worked. This intermittent thing is weird.
Thanks,
--
Dan Hopkins
Systems Developer, easynet Ltd.
> -----Original Message-----
> From: Andreas Ericsson [mailto:ae at op5.se]
> Sent: 23 March 2004 10:42
> To: 'nagios-users at lists.sourceforge.net'
> Subject: Re: [Nagios-users] global event handlers firing
> sporadically in
> 1 .1
>
>
> Silly question, maybe, but is enable_event_handlers
> explicitly set to 1
> in all templates that these hosts and services use?
> If I remember the code correctly, lower 'levels' of
> configuration have
> first priority in a 'laziest possible' way (nagios won't do
> anything if
> any of the levels it has to check tells it not to).
>
> Cheers,
> Sourcerer / Andreas Ericsson
>
> Dan Hopkins wrote:
> >>-----Original Message-----
> >>From: Dan Hopkins [mailto:dan.hopkins at uk.easynet.net]
> >>Sent: 18 March 2004 09:54
> >>To: 'nagios-users at lists.sourceforge.net'
> >>Subject: [Nagios-users] global event handlers firing
> >>sporadically in 1.1
> >>
> >>
> >>Has anyone experienced global event handlers being skipped
> >>(nagios 1.1)?
> >>
> >>We've got two separate installs (freebsd 4.8-REL, Xeon 3GHz,
> >>2G RAM, 2300
> >>hosts, 2500 services and a similar specced freebsd 4.9-REL
> >>box with 485
> >>hosts, 400 services) both running nagios-1.1 with MySQL support for
> >>everything possible. In general, this setup work fine.
> >>
> >>We use global service and host event handlers to create DB
> >>event logs to
> >>replicate the nagios.log in the database, but noticed that
> >>sporadically the
> >>global event handlers just don't fire. There's no obvious
> >>pattern to it,
> >>there's no attempt to execute the event handlers according to the
> >>nagios.log, so it's not an actual failure of the event
> >>handler itself (it's
> >>a very basic command line mysql insert) It doesn't appear to
> >>be due to the
> >>nagios reload problem (this happens anything from 10 to 30
> >>minutes into a
> >>clean startup of nagios on both boxes)
> >>
> >>I'm going to upgrade to 1.2 shortly, and run with some
> >>debugging to see if
> >>we can trace what's going on, failing that we'll have to tail
> >>the nagios log
> >>itself and create db event entries manually, but that's
> hardly ideal -
> >>thought I'd check no one here has an answer first?
> >
> >
> > Much as I hate reply to my own posts, I've had no respones
> to this so I can
> > only assume it's not something that affects anyone else,
> which in turn leads
> > me to think it's not a problem but my understanding that's
> flawed. I've now
> > upgraded to Nagios 1.2, but with much the same results.
> I'll include a short
> > random section of the nagios log, if anyone could point out
> something
> > obvious I'm missing, I'd be very grateful:
> >
> > * [1080027394] SERVICE ALERT:
> host-31;GENERIC;CRITICAL;HARD;1;All Down
> > [1080027532] SERVICE ALERT: host-333;GENERIC;WARNING;SOFT;1;One Down
> > [1080027532] GLOBAL SERVICE EVENT HANDLER:
> > host-333;GENERIC;WARNING;SOFT;1;write-db-service-eventlog
> > [1080027642] SERVICE ALERT: host-333;GENERIC;OK;SOFT;2;All Up
> > [1080027642] GLOBAL SERVICE EVENT HANDLER:
> > host-333;GENERIC;OK;SOFT;2;write-db-service-eventlog
> > * [1080028564] SERVICE ALERT:
> host-96;GENERIC;WARNING;SOFT;1;One Down
> > * [1080028672] SERVICE ALERT: host-96;GENERIC;OK;SOFT;2;All Up
> > [1080028752] SERVICE NOTIFICATION:
> > custserv;host-174;GENERIC;WARNING;notify-by-email;One Down
> > [1080028752] SERVICE NOTIFICATION:
> > corpcustmonitor;host-174;GENERIC;WARNING;notify-by-email;One Down
> > [1080029853] SERVICE ALERT: host-274;SCRIPT;OK;HARD;3;All Up
> > [1080029853] SERVICE NOTIFICATION:
> > custserv;host-274;SCRIPT;OK;notify-by-email;All Up
> > [1080029854] SERVICE NOTIFICATION:
> > corpcustmonitor;host-274;SCRIPT;OK;notify-by-email;All Up
> > [1080029854] GLOBAL SERVICE EVENT HANDLER:
> > host-274;SCRIPT;OK;HARD;3;write-db-service-eventlog
> > [1080030244] Auto-save of retention data completed successfully.
> >
> > I've marked the 3 entries that I think should have
> associated global event
> > handlers: host-31 in an initial HARD error, and host-96
> going into an
> > initial SOFT warning, and recovering a minute or two later.
> You can clearly
> > see the event handler firing in the other cases. The global
> event handler is
> > correctly defined and works in all instances in which it
> actually fires.
> >
> > grep global /usr/local/etc/nagios/nagios.cfg
> > global_host_event_handler=write-db-host-eventlog
> > global_service_event_handler=write-db-service-eventlog
> >
> > Anyone have any thoughts on this?
> >
> > Thanks,
>
> --
> Mvh
> Andreas Ericsson
> OP5 AB
> +46 (0)733 709032
> andreas.ericsson at op5.se
>
>
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