[mrtg] Periodic config rebuilds

McDonald, Dan Dan.McDonald at austinenergy.com
Wed Sep 10 12:45:55 MEST 2003

I'm about to embark upon writing a script to change snmp community strings
on a periodic basis.  The strings will be random for each box, which will be
great for security, but a pain for mrtg.  I'd store the strings in a mysql
My thought was to have one of the steps of the script run the cfgmaker
procedure with some nice host and interface templates (and, obviously, the
new community string).  But it would be nice to write the script completely
in perl.  Since cfgmaker is already perl, I'd like to be able to call it as
a module rather than passing arguments to it from a shell.

Of course, the other option is to convince mrtg to pull the community string
out of the database, but I figure there is enough churn in my network to
warrant a fresh mrtg config once a week/month/quarter or so anyway, so I
might as well regenerate the configs.

Anybody thought about turning cfgmaker into a module before?  Or am I trying
too hard - I'm sure someone has done this kind of thing before and I
shouldn't have to re-invent the wheel completely....

Daniel J McDonald, CCIE#2495
Austin Energy

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