SNMP Monitoring conundrum

[Israel Brewster]

I have a number of scripts I have developed to monitor our UPS units  
via SNMP - I found the included plugins didn't give me enough power/ 
flexibility with the monitoring, so I made my own. Unfortunately, we  
have just added a new UPS to the system which, although made by the  
same company, uses different OID's for the data I am pulling. Thus the  
issue: I want the same data, so other than the OID's the existing  
scripts would work. But how do I deal with different OID's on  
different devices?

So far I've thought of the following:
1) Make a second copy of my scripts with the new OID's. Also implies  
creating new contacts to use the new script (the notification script  
pulls data such as estimated run time via snmp) and maintaining two  
copies of each check/notification script

2) Somehow pass the OID's to the scripts from nagios. Not quite sure  
how I would manage this, as the OID's would need to be associated with  
the hosts, and further complicated by the fact that some scripts use 3  
or more OID's - for example, the main script looks at UPS state(On  
battery, on line power, etc) estimated run time (if on battery) and  
time on battery - so it would need to be passed three separate OIDS.  
Perhaps this approach could be simplified by simply passing a code  
identifying which set of OID's the script should use, at the expense  
of a more complicated script. Still need to find some way of getting  
that into Nagios so it can pass the appropriate value to the script  
though.

Anyone else run into a similar situation? What does everyone else  
think the best approach here is? Thanks.

-----------------------------------------------
Israel Brewster
Computer Support Technician II
Frontier Flying Service Inc.
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7250 x293
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