[mrtg] MRTG using scripts instead of SNMP

[Laurent Mesurÿffffffffffe9]

HI,

i'm using MRTG as a tool to help for auditing systems.
However, i may not be able to modify those system, and
thus, cannot have SNMP installed on them.

Then i can use scripts to fetch my data. MRTG
documentation tells that the results must be like
this:

Line 1: data in
Line 2: data out
Line 3: uptime
Line 4: name

i configured my mrtg with:

Target[targetname]: `<path to script> [arguments]`
...[other optioins needed by mrtg]...


But i have an error each time mrtg runs:

First it take a lot of time, the i have the following
errors with the option: --logging and --debut with all
arguments:

Use of uninitialized value in concatenation (.) or
string at /usr/bin/mrtg line 543
Use of uninitialized value in concatenation (.) or
string at /usr/bin/mrtg line 543
Use of uninitialized value in concatenation (.) or
string at /usr/bin/mrtg line 543
Error:
  can't resolve "@" to IPv6 address
 at
/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/SNMP_util.pm
line 426
SNMPGET Problem for @

base: get current values: in:1147400, out:2717512,
up:12900.66; name:undef, time:1110990633

here is the script:

#!/bin/bash
montage=$1
target=$2
uptime=`cat /proc/uptime | awk '{ print $1 }'`
ligne=`df -Pk $montage | grep -i $montage`
montage=`echo $ligne | awk '{ print $1 }'`
occupe=`echo $ligne | awk '{ print $3 }'`
disponible=`echo $ligne | awk '{ print $4 }'`
echo $occupe
echo $disponible
echo $uptime
echo "$target"

This script gave used space and free space for a disk
device (i.e.: /dev/hda5)

The results given are correct as per the
documentation:

1147400
2717512
12900.66
server01

But, it never takes the name, it takes undef instead,
but all other data are correct.

Can someone tells me what happened?

Laurent


	

	
		
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