[hobbit] NCV help!

Charles Jones jonescr at cisco.com
Thu Sep 28 02:48:50 CEST 2006


Just to make sure the underscore wasn't causing a problem, I changed the 
"mod_jk" in the ext script to "modjk", and restarted everything. Still 
no rrd file being created :(

-Charles

Charles Jones wrote:
> I've made an ext script that parses mod_jk.log and computes a 5 minute 
> average. I want this 5 minute average time sent to Hobbit and graphed 
> (just graphed, so I'm using *data* instead of *status*).
>
> I have done the following:
> * Setup the ext script to be launched by the client.
> * Added "modjk=ncv" to hobbitserver.cfg TEST2RRD section.
> * Added ,modjk to hobbitserver.cfg GRAPHS section.
> * Added "NCV_modjk="modjk:GAUGE" to hobbitserver.cfg
> * Restarted Hobbit
> * (I still need to do the graph definition, but I'm not bothering to 
> do that yet because I'm not getting any rrd data)
>
> I've let the client run the ext script several times, as well as 
> running it by hand via "bbcmd", and I am still not seeing any rrd 
> files show up in /data/rrd/hostname/
>
> here is the tail end of the ext script:
>
> MSG=`printf "mod_jk : %2.6f\n" $JKAVG`
> $BB $BBDISP "data $MACHINE.modjk green `date` $MSG"
> exit 0
>
> Here is a running of the script, with the last line prefixed with 
> "echo"  so that we can see what it's sending:
> $ /bin/bbcmd ext/hobbit-mod_jk.sh/
> 2006-09-27 23:52:52 Using default environment file 
> /users/monitor/local/hobbit/client/etc/hobbitclient.cfg
> /users/monitor/local/hobbit/client/bin/bb 127.0.0.1 data 
> cna-prod-app-28.modjk green Wed Sep 27 23:53:18 GMT 2006 mod_jk : 0.115922
>
> If anyone can point out what I'm doing wrong, I would appreciate it.  
> This is my first time adding an NCV graph, and have many more to do, 
> so want to be sure I get it right.
>
> P.S. The $BBDISP is 127.0.0.1 because I'm using /pulldata/ mode.
>
> -Charles

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