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RE: [hobbit] Sending Data from external script to an RRD - can't see graphs - only links
- To: <hobbit (at) hswn.dk>
- Subject: RE: [hobbit] Sending Data from external script to an RRD - can't see graphs - only links
- From: "Javier Temponi" <javier.temponi (at) selectv.com>
- Date: Tue, 25 Sep 2007 17:52:03 +1000
- Thread-index: Acf+kulK+NY89LtSRmKNCQXaJys7YAAtSbIg
- Thread-topic: [hobbit] Sending Data from external script to an RRD - can't see graphs - only links
Thanks a lot Josh, the two things that you mentioned in your answer
solved my problem, the change in the hobbitgraph.cfg and add your
extra-rrd.pl script.
After those changes I only had to add in the exception file of the
devmon template, wich interfaces I want to graph and it is working!!!
Thanks again for the help
Regards
Javier
________________________________
From: Joshua Krause [mailto:joshuakrause (at) triad.rr.com]
Sent: Monday, 24 September 2007 8:08 PM
To: hobbit (at) hswn.dk
Subject: Re: [hobbit] Sending Data from external script to an RRD -
can't see graphs - only links
One thing I see that I made the same mistake at is in your
hobbitgraph.cfg:
[if_load]
FNPATTERN if_load(.*).rrd
TITLE Network Traffic
YAXIS Bits/second
DEF:in (at) RRDIDX (at) = (at) RRDFN@:in:AVERAGE
CDEF:inbytes (at) RRDIDX (at) =in (at) RRDIDX@,8,*
DEF:out (at) RRDIDX (at) = (at) RRDFN@:out:AVERAGE
CDEF:outbytes (at) RRDIDX (at) =out (at) RRDIDX@,8,*
LINE1:inbytes (at) RRDIDX (at) # (at) 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 (at) # (at) 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
you need to replace "(at)" with "@", It looks like when the post was
made it converted all the @ to (at). But that was my big problem. And
I am not using the NCV function and don't think it is to be done using
that but could be wrong. And my extra-rrd.pl looks like this:
#!/usr/bin/perl
# Input parameters: Hostname, testname (column), and messagefile
$HOSTNAME=$ARGV[0]; ;
$TESTNAME=$ARGV[1]; ;
$FNAME=$ARGV[2]; ;
# Read the entire files
open (FILEHANDLE,$FNAME) || die ("cant read file\n");
@input = <FILEHANDLE>;
close (FILEHANDLE);
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:$3\n";
}
}
}
Hope this helps you out and if you need anymore I will be glad to give
ya what I know or have found out.
Josh
On Sep 24, 2007, at 2:13 AM, Javier Temponi wrote:
Hello, I want to graph the load information of my routers interfaces, I
have been reading for several days the list, and I have learned a lot
but not enough yet to make this works :-)...
This is the situation: I receive the information from devmon, and
execute an external script to write the rrd file. The files are written
but I can not see them from the hobbit page.
I have the rrd files generated and updated but in the hobbit page I only
can see the links and no graph (not an empty or blank graph, only the
little box with the name of the link inside).
I'm using devmon 0.3.0-beta2 and hobbit 4.2 with the patch all in one
installed.
OS: Linux kernel 2.6.9
Other graphs work fine, the default ones, for example the Conn graph.
The information from devmon is received ok by hobbit, because I have a
table with the load of the interfaces that devmon sent.
These are the configuration files:
hobbitserver.cfg (to see the graphs in the load and trends columns):
TEST2RRD=".....,if_load=ncv"
NCV_if_load="in:GAUGE,out:GAUGE"
GRAPHS="......,if_load"
hobbitlaunch.cfg
[rrdstatus]
ENVFILE /usr/local/hobbit/server/etc/hobbitserver.cfg
NEEDS hobbitd
CMD hobbitd_channel --channel=status
--log=$BBSERVERLOGS/rrd-status.log hobbitd_rrd --rrddir=$BBVAR/rrd
--extra-script=$BBHOME/ext/extra-rrd.pl --debug --extra-tests=if_load
This is the script ext/extra-rrd.pl
#!/usr/bin/perl
# Input parameters: Hostname, testname (column), and messagefile
#$HOSTNAME=$ARGV[0]; ;
$TESTNAME=$ARGV[1]; ;
$FNAME=$ARGV[2]; ;
$filename="/tmp/if_log";
# Read the entire files
open (FILEHANDLE,$FNAME) || die (print "cant read file\n");
@input = <FILEHANDLE>;
close (FILEHANDLE);
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";
}
}
}
hobbitgraph.cfg file :
[if_load]
FNPATTERN if_load(.*).rrd
TITLE Network Traffic
YAXIS Bits/second
DEF:in (at) RRDIDX (at) = (at) RRDFN@:in:AVERAGE
CDEF:inbytes (at) RRDIDX (at) =in (at) RRDIDX@,8,*
DEF:out (at) RRDIDX (at) = (at) RRDFN@:out:AVERAGE
CDEF:outbytes (at) RRDIDX (at) =out (at) RRDIDX@,8,*
LINE1:inbytes (at) RRDIDX (at) # (at) 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 (at) # (at) 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
If anyone has any idea, where the problem could be or any work around
I'll really appreciate.
Thanks in advance
Javier
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