Sharing Check Results between Systems

[Scott Greenman]

We copy check results between systems for redundancy purposes.  Rather than using an event handler, we use the Obsessive Compulsive functionality.  In the nagios.cfg file, I set the following:

obsess_over_services=1
ocsp_command=send_to_backup_nagios_server
obsess_over_hosts=1
ochp_command=send_to_backup_nagios_server

The send_to_backup_nagios_server  command then sends the results to the other server.

This doesn't handle synchronizing the downtime or acknowledgments. We're not currently doing that, though there was a recent post where I think someone posted a script for parsing the logs and sending these to another server.

Scott Greenman
Software Developer
Family History Department
The Church of Jesus Christ of Latter-day Saints

________________________________________
From: Getchell, Kristoffer M [K.Getchell at kingston.ac.uk]
Sent: Wednesday, October 07, 2009 8:14 AM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Sharing Check Results between Systems

At present we have two main machines rooms, with each machine room running an instance of Nagios 3.0.6 that monitors machines close by.  This setup works well, however to get an overview of the entire network we need to check in two locations - not ideal.

What we want is a way to share information between the Nagios systems.  To achieve this we've developed some management tools to allow us to synchronise the configuration of both Nagios systems.  As part of the synchronisation process, services/hosts are set to be actively checked by their closest Nagios system and passively monitored by all others.  Again, this works well but, at present we've no useful way of pushing the results of active checks to the other Nagios systems.  Furthermore if a problem is acknowledge (or downtime scheduled) on one Nagios system, this is not copied to the other machines.

To address these issues I've thought of the following:

1) Setup event handlers which will be enabled on active checks and used to push results from the Nagios system performing the active checks to all other Nagios systems.

2) Setup a long running service that parses the Nagios log files on each host and replicates any events between systems.

As far as I can tell a combination of options 1 and 2 would provide what we're looking for, but I'm concerned that I might be missing something.

Has anyone else tried to develop a similar setup?  If so, what approaches did you take?

Cheers,




Kris


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ahead of the curve. Join us from November 9 - 12, 2009. Register now!
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