[Nagios-devel] how to specify multiple dependencies

[Guillaume Rousse]

Andy Shellam a écrit :
> Hi Guillaume (again!)
> 
> I think you've got these the wrong way round.
> 
> In your example, if service A depends on B or C, then hosts B and C 
> become the dependent hosts.  Does this work?  (I've not used service 
> dependencies a great deal so forgive me if I'm wrong.)
> 
> define servicedependency {
>      host_name                           A
>      service_description                 X
>      dependent_host_name                 B,C
>      dependent_service_description       Y
> }
> 
> I think this says that service X on host A depends on service Y on hosts 
> B and C. 
It says than you have two services Y, running on hosts hosts B and C, 
each relying on a single service X, running on host A. If X fails, 
monitoring of Y will be affected on both hosts. I'm looking for exactly 
the opposite: two redundant authentications backends available, and one 
authenticated service, for wich I'd like to avoid useless notifications 
if both backends are down.

> Whether this is an AND or an OR (e.g. host A depends on hosts 
> B AND C, or host A depends on hosts B OR C) I don't know.
AFAIK, this is purely syntactic sugar for multiple declarations, so 
rather an OR relationship.

> PS. Both of your last questions should have been directed at the 
> nagios-users list - nagios-devel is for reviewing and submitting 
> patches, or other questions that concern the development of Nagios.
> 
Indeed.
-- 
Guillaume Rousse
Moyens Informatiques - INRIA Futurs
Tel: 01 69 35 69 62

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