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102 lines
2.5 KiB
Perl
Executable File
102 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Copyright (C) 2009 Branislav Bozgai
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#
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# Munin plugin to monitor ZyXel USG series routers Sessions utilization.
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# Based on snmp__if_ 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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#%# 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 1.3.6.1.4.1.890.1.6.22.1.6.0 \n";
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exit 0;
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}
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if ($0 =~ /^(?:|.*\/)snmp_zyxel_usg_([^_]+)_sessions$/)
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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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my $sysActiveSessions = "1.3.6.1.4.1.890.1.6.22.1.6.0";
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my ($session, $error) = Net::SNMP->session(
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-hostname => $host,
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-community => $community,
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-port => $port
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);
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if (!defined ($session))
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{
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die "Croaking: $error";
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}
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if ($ARGV[0] and $ARGV[0] eq "config")
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{
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print "host_name $host\n";
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if (!defined ($response = $session->get_request($sysActiveSessions)))
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{
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die "Croaking: " . $session->error();
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}
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print "graph_title Active Sessions\n";
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print "graph_category system\n";
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print "graph_args --base 1000 --lower-limit 0\n";
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print "graph_vlabel Active Sessions\n";
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print "graph_period second\n";
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print "graph_info Active Sessions\n";
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print "sysActiveSessions.label Sessions\n";
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print "sysActiveSessions.draw AREA\n";
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exit 0;
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}
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if (defined ($response = $session->get_request($sysActiveSessions)))
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{
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print "sysActiveSessions.value ", $response->{$sysActiveSessions}, "\n";
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}
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else
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{
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print "sysActiveSessions.value U\n";
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}
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# vim:syntax=perl
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