Implied/Additive inheritance

[John Moody]

Gius, Mark <mgius <at> createspace.com> writes:

> 
> Although the documentation does not make this clear, implied and additive
inheritance applies to many
> other objects and directives.  I'm personally using it on hostgroups,
contact_groups, contacts,
> service_groups, etc.  I believe that any directive that can be defined as a
series of comma-delimited
> strings will support the additive/implied inheritance syntax, although I would
confirm on anything I
> didn't mention previously, since I don't know for sure.
> 
> -Gius  
> 
> > -----Original Message-----
> > From: Thomas Guyot-Sionnest [mailto:dermoth <at> aei.ca]
> > Sent: Thursday, July 08, 2010 4:26 AM
> > To: nagios-devel <at> lists.sourceforge.net
> > Subject: Re: [Nagios-devel] Implied/Additive inheritance
> > 
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > 
> > On 10-07-08 05:44 AM, john <at> moodysrus.com wrote:
> > > Hey Team,
> > >
> > >
> > >
> > > I am having trouble combining 'Implied' and 'Additive' inheritance
> > for
> > > normal service notifications.  The documentation implies the ability
> > to
> > > combine 'Implied' with 'Additive' inheritance is restricted to
> > > escalations, is this correct?  If so, can I suggest this **very**
> > > powerful option be expanded to work with normal service
> > notifications?
> > >
> > >
> > >
> > > The scenario is the primary contact_group ('+support_team' for
> > example)
> > > is set at the host level.  This group is nicely inherited by all the
> > > services on that host (very cool).  If we add a contact_group
> > > ('+developers' for example) to an individual service on that host,
> > the
> > > primary_contact group information is overridden, and only the
> > > 'developers' are contacted.
> > 
> > +1... I have the same issue and I reported it a while ago. I don't
> > think
> > the fix would be so hard, but I haven't had the time to really look
> > into it.
> > 
> > FWIW I also suggested generric templates, because some of my additive
> > templates contains instructions that can be used at multiple places (ex
> > hostgroups that can be added to service templates, service
> > dependencies,
> > etc.
> > http://ideas.nagios.org/a/dtd/18864-3955
> > 
> > 
> > - --
> > Thomas

Thanks guys for the quick responses!!  I have thrown in an example below (partly
stolen from the docs) to clarify the issue (my written example may not have been
clear).

define host{
	name 		        linux-server
	contact_groups	        linux-admins
	...
	}

define service{
	host_name		linux-server
	contact_groups	        +management
	...
	}

This results in only the 'management' team receiving notifications but the
implied/additive *does* work as advertised for escalations.  I am attempting to
leverage the escalation function as a work around at present, but it's not
pretty.

cheers




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