[hobbit] Custom RRD graphs

[Ger Maguire]

Guys, When creating custom scripts, has anyone just used rrdcreate and
rrdtool update to directly output the data to the rrd files ?
 
If the the tests are all residing on the one machine and not polling data
from other clients is it an easier way to update the graphs as I just can't
get the status script to update for me ?
 
Thanks,
Ger.

  _____  

From: Ger Maguire [mailto:ger at fwi.ie] 
Sent: 29 November 2006 20:13
To: hobbit at hswn.dk
Subject: [hobbit] Custom RRD graphs


Hi folks,
 
I have created a custom script for capturing CPU utilisation from a device
and updated all the relevant files but I cannot get my rrd files to update
correctly.
 
An initial rrd file gets created but the data does not get input into it.
 
I have created a rrd-ext sript which is running and is capturing the
incomming status data and by looking at the /tmp files I can see that the
echo outputs are being generated correctly every 5 mintes.
 
----> rrd-ext.sh
 
HOSTNAME="$1"
TESTNAME="$2"
FNAME="$3"
 
if [ "$TESTNAME" = "acpu" ]
then
        echo "`date`" >> /tmp/hobbit.$HOSTNAME.$TESTNAME
        echo "$FNAME" >> /tmp/hobbit.$HOSTNAME.$TESTNAME
        # Analyze the message we got
        # ACPU=`grep "connected" $FNAME | awk '{print $14}'`
        ACPU=`grep "The 5" $FNAME | cut -d"(" -f2 | cut -d"." -f1`
        # The RRD dataset definitions
        echo "DS:acpu:GAUGE:600:0:100"
        # The filename
        echo "acpu.rrd"
        # The data
        echo "$ACPU"
        echo "$ACPU"  >> /tmp/hobbit.$HOSTNAME.$TESTNAME
fi
 
 
The value I want to graph is simply a cpu % counter, have I got the above
values and setting correct for this ?
 
Any help or pointers appreciated.
 
 
Output that this produces is below showing that it is getting the data
correctly from the status input.
 
---> /tmp/hobbit.$HOSTNAME.$TESTNAME
 
Wed Nov 29 19:54:07 GMT 2006
/usr/lib/hobbit/server/tmp/rrd_msg_13879
14
Wed Nov 29 19:59:05 GMT 2006
/usr/lib/hobbit/server/tmp/rrd_msg_26569
25
Wed Nov 29 20:04:07 GMT 2006
/usr/lib/hobbit/server/tmp/rrd_msg_2788
17
Wed Nov 29 20:09:12 GMT 2006
/usr/lib/hobbit/server/tmp/rrd_msg_11944
9

 
 
Ger.
 
 
 
 
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