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106 lines
2.3 KiB
Text
106 lines
2.3 KiB
Text
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#!/usr/bin/perl -w
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#
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# Copyright (C) 2006 Lars Strand
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#
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# Munin plugin to monitor uptime by use of SNMP.
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# Based on snmp__users plugin.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# $Log$
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#
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#%# family=snmpauto
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#%# capabilities=snmpconf
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use strict;
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use Net::SNMP;
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my $DEBUG = 0;
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my $host = $ENV{host} || undef;
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my $port = $ENV{port} || 161;
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my $community = $ENV{community} || "public";
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my $response;
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if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
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{
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print "require 1.3.6.1.2.1.1.3.0 \n";
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exit 0;
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}
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if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_uptime$/)
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{
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$host = $1;
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if ($host =~ /^([^:]+):(\d+)$/)
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{
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$host = $1;
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$port = $2;
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}
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}
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elsif (!defined($host))
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{
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print "# Debug: $0 -- $1\n" if $DEBUG;
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die "# Error: couldn't understand what I'm supposed to monitor.";
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}
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if (defined $ARGV[0] and $ARGV[0] eq "config")
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{
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print "host_name $host\n";
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print "graph_title Uptime
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graph_category system
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graph_args --base 1000 -l 0
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graph_vlabel uptime
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graph_info This graph shows the uptime (in days) of the system.
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uptime.label uptime
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uptime.draw AREA
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";
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exit 0;
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}
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my ($session, $error) = Net::SNMP->session(
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-hostname => $host,
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-community => $community,
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-port => $port,
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-translate => ['-timeticks']
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);
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if (!defined ($session))
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{
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die "Croaking: $error";
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}
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printf "uptime.value %.2f\n", &get_single($session, "1.3.6.1.2.1.1.3.0");
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sub get_single
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{
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my $handle = shift;
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my $oid = shift;
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print "# Getting single $oid...\n" if $DEBUG;
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$response = $handle->get_request($oid);
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if (!defined $response->{$oid})
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{
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return undef;
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}
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else
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{
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return (($response->{$oid}/100)/(60*60*24));
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}
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}
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