Monitoring apache's mod_proxy_balancer

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Hi Folks,

We've recently set up mod_proxy_balancer as a replacement for Pound, and
I'm trying to work out the best way to monitor the load balancer to
determine which servers are "in the loop" and which servers are "out of
the loop". I'd ideally like to tie this in to Nagios so that I can get
alerts if any of my servers gets taken out of the loop.

At the moment I have the balancer-manager admin interface enabled for
local connections only (i.e. from 127.0.0.1 on my apache server) and
password protected, and have implemented something like the following
for my Nagios check:

command[check_beta_lb_1]=/usr/lib/nagios/plugins/check_http -H localhost
-u /balancer-manager -a betaload:--password-- -s
'http://--dest-ip--:--dest-port--</a></td><td></td><td></td><td>1</td><td>Ok'

This seems like a terrible hack, and I'm wondering if there's a better
way to do this.

Thanks, Tom
-- 
Tom Haddon <tom@xxxxxxxxxxxxxxxxx>


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