Trends and old data

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of js
> Sent: Tuesday, August 02, 2005 12:46 PM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] Trends and old data
> 
> Hi all,
> 
> I have a host i want to rename.  But i want to keep the historical
data
> of this host,......
> How can I do this?

Ah, yes, this is fun =) It's pretty straight forward but can be tedious.
You need to rename the host in the config files and replace all
occurrences of the name in var/nagios.log and var/archives/*.

You can do this with sed, a perl one-liner such as

cd /usr/local/nagios/var; perl -i.bak -pe 's/oldhost/newhost/e'
nagios.log
cd /usr/local/nagios/var/archives; perl -i.bak -pe 's/oldhost/newhost/e'
nagios*

or a more sophisticated script that only looks at files the host is in,
modifies those and does error checking afterward ;) We opted for this
solution. With almost 3 years of log files and 3 machines to modify them
on it can take up to 10 minutes to rename a single site.

--
Marc


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