[hobbit] Agentless clients

Scheblein, Adam adam.scheblein at marquette.edu
Thu Jan 5 20:04:43 CET 2006

What if you were to use ssh and xargs to collect the same client
information and then just send that message straight into the hobbit
listener?  Would that work?


-----Original Message-----
From: Henrik Stoerner [mailto:henrik at hswn.dk] 
Sent: Thursday, January 05, 2006 1:00 PM
To: hobbit at hswn.dk
Subject: Re: [hobbit] Agentless clients

On Thu, Jan 05, 2006 at 01:46:36PM -0500, Scott Walters wrote:
> > I agree that having similar functionality to bb-fetch could be
> > for a *few* remote/DMZ hosts, but it certainly doesn't scale well.
> True, and I am not sold on the agentless clients idea either, but
> got such a great framework to try it on.
> The first design decision in my mind would be if in agentless we mean
> 1)  install/run/uninstall the hobbit client every 5m, i know this
> horribly inefficient but I am attracted to the simplicity of agent and
> agentless machines being the 'same'.  or just automagically install
> client if the trust exists . . . . .
> 2) only running the exact OS commands necessary and capturing the
> This would require some new code on the server.  But if done right, it
> could perhaps replace existing clients.
> abstract the collection from the delivery . . . .

You can easily combine 1) and 2). Running something like this on the 
client-polling server would do it:

echo "client $CLIENT.$CLIENTOS" >/tmp/msg-$CLIENT.txt
ssh $CLIENT < ~$BBHOME/bin/hobbitclient-$CLIENTOS.sh
$BB $BBDISP "@" </tmp/msg-$CLIENT.txt

would run the normal client-side scripts without having them installed
on each client box, and send the output to the Hobbit server in a normal
"client" message. There is an issue with the OS'es that need special
installed (usually to collect the memory statistics), but that can be


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