> an eventhandler behaves differently than the notification logic does. so 
> *if* you're comparing things, you should look for eventhandlers.
> 
> and yet, i doubt the behaviour change unless proven with a working 
> example from both core versions.
Well, it is possible that this changed with newer Nagios versions. It
seems to be worth a try to verify - I will send another eMail as soon as
I did so.

> so your eventhandler wraps the notification logic into its very own 
> algorithm and does the voodoo inside. i'd rather look for errors in your 
> script then, catching up with "host down, don't send service notification".
I didn't check this in our logic up to now because when we used nagios,
nagios was doing it. Or at least I thought that it would do so. The
question should have been: Why does the event handler trigger for
services when their host is down?

> 
> that's a very common case that eventhandlers get called even if the host 
> is down...
> http://docs.icinga.org/latest/en/eventhandlers.html#execution
> 
> and well - for the interested readers - why can't icinga handle the 
> notification logic itsself, and why are you using a proprietary event 
> handler wrapper for that?
We wrote a frontend application for Icinga (formerly Nagios) where we
can administer hosts and export configuration files for Icinga. In the
same applications teams can be configured on a daily basis. The alerting
itself is done in a round robin way and the alerts are all logged in our
application. Therefore it was the easiest solution to write an own
daemon application which does the alerting.

> next time, please tell about that in the first place. makes error lookup 
> pretty hard if one thinks of notifications, but the user (you) is just 
> using eventhandlers. totally different part of the story.
I accidentially messed up notification with event handler - I don't
think this is a crime :P

Denis

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