service dependencies and failover

[Masoud Tabrizi]

I was thinking more towards using the event handlers and service
dependencies;
With the rapper it would be necessary to wrap each one of the checks in a
separate wrapper script; (if I am not mistaken).


+++++++++++++++++++++++++++
Masoud Tabrizi
masoud.tabrizi at gmail.com
+++++++++++++++++++++++++++
-----Original Message-----
From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of Phil
Costelloe
Sent: Friday, June 01, 2007 10:00 AM
To: Nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] service dependencies and failover

From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of Masoud
Tabrizi

> Trying to monitor db services in a cluster/failover environment using
check_oracle
> plug-in; all NRPE checks are done against the virtual IP of the DB; I
would like to 
> enable the same services on the secondary host yet with a dependency
on the file
> system mount point which would make the DB available. Theoretically
once the file 
> system is available then the services should become active on the
secondary host and 
> inactive on the other.
>
> Any idea how to do this?

If I'm understanding what you want correctly, one way to do it would be
to write a wrapper script for the checks that would look first at
whether the filesystem is mounted. If it isn't, return OK and a message
like "Currently inactive". If it is, call the actual plugin requested
and return whatever that outputs.

Phil
 
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