{bb} Cluster-aware processes?

["Kit Gerrits" <kitgerrits@gmail.com>]

Hello all!

I'm currently using BB 1.9 to monitor a fair number of servers.
Some of these servers happen form a cluster, where processes move around a
lot.
If a cluster application switches to another node, 
  the corresponding processes are no longer running on the default host, 
  which causes BB to issue a warning.


I'd like to have BB recognise the fact that the cluster has switched and
that the processes are no longer required to run on that specific system.
For instance: systems foo1 and foo2 host package foo and systems bar1 and
bar2 host package bar.
(We also have a cluster where hosts foo1, foo2 and foo3 host applications
foo and bar on separate hosts)


I have found 2 ways of accomplishing this:
A/ changing the BB configuration with each cluster switch
	This would involve replacing the configuration files on the cluster
node
	and HUP'ing / restarting the BB process
I would prefer not to do this, because 
  A) this is a HP-UX system and I'm not very familiar with MC/ServiceGuard
and 
  B) I don't trust the software supplier to keep his hands off the cluster
configuration script, undo-ing my bb hook
  C) Messing with the cluster configuration may void any warranty on the
system.

B/ use the hostname variable in the configuration file.
	The cluster package associates with a specific address which can be
found in the 'hosts' file.
	If the cluster package 'foo' is active on that node, the IP
associated with hostname 'foo' is also active on that host.
Is is possible to hook processes in the bb-proc file into the 'foo'
hostname?
Would BB notice the fact that the IP associated with that hostname has been
(de)activated 
  and (de)activate monitoring of the related process?


Thanks,

Kit




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