Feeding status information to SCOM?

[Troels Arvin]

Hello,

As much as I think it's a silly idea:
A company has a policy stating that all production systems need to be 
monitored by a Microsoft SCOM system. Now, there are servers and hosts 
that can only be monitored by Nagios (e.g. HPC clusters where the compute 
nodes are hidden on isolated networks behind front-ends). These _still_ 
need to be part of the central SCOM monitoring. So I'm looking for the 
least ugly/burdensome way to export Nagios' knowledge about a set of 
systems to SCOM (Nagios and SCOM can see each other).

Googling leads to a project called SCOM2Nagios, but that seems to go ship 
information in the wrong direction, given the above.

Then I thought that status of hosts and services might easily be pulled 
from Nagios into SCOM REST-style via HTTP, but it seems to entail HTML 
parsing which sounds risky.

NDOUtils looks like the best option, currently, because SCOM can probably 
be told to perform queries in an MySQL database.

- But having to store data in a database in order for SCOM to pull them 
out subsequently seems like a potential for large I/O overhead. I would 
much rather find a way to query Nagios on the fly, but I guess this would 
mean coding up something? Perhaps:

 - Extending the Nagios CGI with REST-style URLs which reflects host/
   service states with HTTP codes, supplemented by text status and 
   performance counters in the response body?

 - Create a Nagios Event Broker (NEB) like MK Livestatus which spits 
   out XML over HTTP which SCOM (or other systems) could parse?

 - Create an SNMP AgentX agent which reads directly from Nagios
   through a Nagios Event Broker. SCOM would then query via SNMP
   (which I assume it's good at).

Actually, I would prefer that latter approach, but it might also be the 
hardest thing to code.

Thoughts/comments?

-- 
Regards,
Troels Arvin <troels at arvin.dk>
http://troels.arvin.dk/


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