#!/usr/bin/perl -w # # Copyright (C) Rune Nordboe Skillingstad, Sveinung Marvik # Reports supplies (ie. toner level) on printers adhering to RFC1759 # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; version 2 dated June, # 1991. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # # # Graphs supplies of HP printers (toner/ink) # # downloaded by Peter Palfrader from http://munin.projects.linpro.no/wiki/plugin-snmp__supplies # Wed, 9 Aug 2006 16:48:17 +0200 # #%# family=snmpauto #%# capabilities=snmpconf use strict; use Net::SNMP; my $DEBUG = $ENV{'DEBUG'} || 0; my $MAXLABEL = 20; my $host = $ENV{host} || undef; my $port = $ENV{port} || 161; my $community = $ENV{community} || "public"; my $iface = $ENV{interface} || undef; my $timeout = $ENV{timeout} || 1; my $warning = $ENV{warning} || 10; my $critical = $ENV{critical} || 5; my %cache; my %supplies; if(defined $ARGV[0] and $ARGV[0] eq "snmpconf") { print "require 1.3.6.1.2.1.43.11.1.1.6.1.1\n"; print "require 1.3.6.1.2.1.43.11.1.1.8.1.1 ^\\d\n"; print "require 1.3.6.1.2.1.43.11.1.1.9.1.1 ^\\d\n"; exit 0; } if($0 =~ /^(?:|.*\/)snmp_([^_]+)_supplies$/) { $host = $1; if($host =~ /^([^:]+):(\d+)$/) { $host = $1; $port = $2; } } elsif(!defined($host)) { print "# Debug: $0 -- $1\n" if $DEBUG; die "# Error: couldn't understand what I'm supposed to monitor."; } my ($session, $error) = Net::SNMP->session( -hostname => $host, -community => $community, -port => $port, -timeout => $timeout ); if(!defined ($session)) { die "Croaking: $error"; } &get_multiple ($session, "1.3.6.1.2.1.43.11.1.1.6", "desc"); &get_multiple ($session, "1.3.6.1.2.1.43.11.1.1.8", "max"); &get_multiple ($session, "1.3.6.1.2.1.43.11.1.1.9", "level"); &wash_data; # Configure if(defined $ARGV[0] and $ARGV[0] eq "config") { print "host_name $host\n"; print "graph_title Supply Level\n"; print "graph_args --base 1000 -l 0 --upper-limit 100\n"; print "graph_vlabel %\n"; print "graph_scale no"; print "graph_category other\n"; print "graph_info This graph represents supplies level\n"; foreach my $supply (keys(%supplies)) { print "supply$supply.label ".(length($supplies{$supply}{desc})<=$MAXLABEL ? $supplies{$supply}{desc} : substr($supplies{$supply}{desc},0,($MAXLABEL-3)))."..."; print "\n"; print "supply$supply.draw LINE1\n"; print "supply$supply.info ".$supplies{$supply}{desc}."\n"; print "supply$supply.warning $warning:100\n"; print "supply$supply.critical $critical:100\n"; } exit 0; } # Values if (keys(%supplies) > 0) { foreach my $supply (keys(%supplies)) { printf "supply%s.value %.2f\n",$supply, ($supplies{$supply}{level}/$supplies{$supply}{max})*100; } } sub get_multiple { my $handle = shift; my $oid = shift; my $type = shift; print "# Getting table $oid...\n" if $DEBUG; my $response = $handle->get_table($oid); if(!defined($response)) { return ""; } else { foreach my $key (keys(%{$response})) { $supplies{&keyname($key)}{$type} = $response->{$key}; print "$key -> ".$response->{$key}."\n" if $DEBUG; } } } sub keyname { my $key = shift; if (defined $cache{$key}) { return $cache{$key}; } my $tkey = $key; $tkey =~ s/.*(\d+\.\d+)$/$1/; $tkey =~ s/\./_/; $cache{$key} = $tkey; return $tkey; } sub wash_data { # Get rid of supply-levels reporting negative values foreach my $supply (keys (%supplies)) { if ($supplies{$supply}{level} < 0) { delete $supplies{$supply}; print "# Deleting entry $supply: supply level unknown.\n" if $DEBUG; } } }