[hobbit] How to if_* graph from Devmon to Hobbit

[Trent Melcher]

Where do you get this extra-rrd.pl script from to add these changes?

Thanks
Trent Melcher


On Fri, 2007-07-13 at 11:58 +0200, xbgmsharp wrote:
> How to if_* graph from Devmon to Hobbit
> 
> This mail describe how to graph all if_* data from Devmon to Hobbit.
> I am currently running hobbit 4.2.0/all-in-one patch and devmon 0.3-beta2
> 
> 1)
> First you need a curently working hobbit and devmon.
> 
> 2)
> Then make sure, than the file devmon/templates/modele/if_load/message
> TABLE:rrd()
> This will show data in a htmltable and add rrd information in the status page.
> 
> In order to check, you should see RRD data information in the status  
> page of the service corresponding to your devmon modele when showing  
> source html.
> 
> 3)
> Now make parse the data to create a rrd file (one par interfaces),  
> this is done via extra-rrd.pl.
> In etc/hobbitlaunch.cfg
> 
> [rrdstatus]
>          ENVFILE /data/hobbit/server/etc/hobbitserver.cfg
>          NEEDS hobbitd
>          CMD hobbitd_channel --channel=status \
>                  --log=$BBSERVERLOGS/rrd-status.log hobbitd_rrd \
>                  --rrddir=$BBVAR/rrd \
>                  --extra-script=$BBHOME/ext/extra-rrd.pl  \
>                  --extra-tests=if_load
> 
> In ext/extra-rrd.pl
> 
> if ( $TESTNAME eq "if_load" ) {
> 
>          # Analyze the message we got
>          foreach $line (@input) {
>                  if ($line =~ /(^[A-Z].*) (\d+):(\d+)$/ ) {
> 
>                          # The RRD dataset definitions
>                          print "DS:in:DERIVE:600:0:U\n";
>                          print "DS:out:DERIVE:600:0:U\n";
> 
>                          # The filename
>                          print "if_load_$1.rrd\n";
> 
>                          # The data
>                          print "$2:$3\n";
>                  }
>          }
> }
> 
> 4)
> Modify etc/hobbitgraph.cfg
> 
> [if_load]
>          FNPATTERN if_load(.*).rrd
>          TITLE Network Traffic
>          YAXIS Bits/second
>          DEF:in at RRDIDX@=@RRDFN@:in:AVERAGE
>          CDEF:inbytes at RRDIDX@=in at RRDIDX@,8,*
>          DEF:out at RRDIDX@=@RRDFN@:out:AVERAGE
>          CDEF:outbytes at RRDIDX@=out at RRDIDX@,8,*
>          LINE1:inbytes at RRDIDX@#@COLOR@:@RRDPARAM@ In
>          GPRINT:inbytes at RRDIDX@:LAST: %8.2lf %s (cur)
>          GPRINT:inbytes at RRDIDX@:MAX: %8.2lf %s (max)
>          GPRINT:inbytes at RRDIDX@:MIN: %8.2lf %s (min)
>          GPRINT:inbytes at RRDIDX@:AVERAGE: %8.2lf %s (avg)\n
>          LINE1:outbytes at RRDIDX@#@COLOR@:@RRDPARAM@ Out
>          GPRINT:outbytes at RRDIDX@:LAST: %8.2lf %s (cur)
>          GPRINT:outbytes at RRDIDX@:MAX: %8.2lf %s (max)
>          GPRINT:outbytes at RRDIDX@:MIN: %8.2lf %s (avg)
>          GPRINT:outbytes at RRDIDX@:AVERAGE: %8.2lf %s (avg)\n
> 
> 
> 4)
> In etc/hobbitserver.cfg
> Modify the following.
> See help/howtograph.html
> 
> TEST2RRD="cpu=la,disk,...,if_load"
> GRAPHS="la,disk,if_load::1"
> The ::1 set the maxcount in order to make one graph form each rrd file create.
> 
> 5)
> In etc/hobbitcgi.cfg
> Modify the following.
> See hobbitsvc.cgi man
> 
> CGI_SVC_OPTS="--env=/data/hobbit/server/etc/hobbitserver.cfg  
> --no-svcid --history=top --multi-grahs=if_load,if_err..."
> 
> 6)
> The hardest part.
> The hobbit parsing doesn't remove html table table so you will see  
> many graph link.
> In order to fix than, you need to modify the hobbit source with the patch:
> 
> lib/htmllog.c
> 
> $cd lib/
> $patch -p0 < htmllog.path
> 
> Here is the path, this only set a new counter for all if_* services.
> This is allready working for the trends colunms because, it is  
> checking all rrd file in the directory.
> 
> Henrik, do you have any tips to get the nice counter without editing  
> the source code of htmllog.c file ?
> 
> That's all folks.
> 
> 
> To unsubscribe from the hobbit list, send an e-mail to
> hobbit-unsubscribe at hswn.dk