103 lines
2.5 KiB
Perl
Executable File
103 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl -w
|
|
#
|
|
# Copyright (C) 2009 Branislav Bozgai
|
|
#
|
|
# Munin plugin to monitor ZyXel USG series routers RAM utilization.
|
|
# Based on snmp__if_ plugin.
|
|
#
|
|
# 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.
|
|
|
|
|
|
#%# family=snmpauto
|
|
#%# capabilities=snmpconf
|
|
|
|
use strict;
|
|
use Net::SNMP;
|
|
|
|
my $DEBUG = 0;
|
|
|
|
my $host = $ENV{host} || undef;
|
|
my $port = $ENV{port} || 161;
|
|
my $community = $ENV{community} || "public";
|
|
|
|
my $response;
|
|
|
|
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
|
|
{
|
|
print "require 1.3.6.1.4.1.890.1.6.22.1.2.0 \n";
|
|
exit 0;
|
|
}
|
|
|
|
if ($0 =~ /^(?:|.*\/)snmp_zyxel_usg_([^_]+)_ram$/)
|
|
{
|
|
$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 $sysRAMUsage = "1.3.6.1.4.1.890.1.6.22.1.2.0";
|
|
|
|
my ($session, $error) = Net::SNMP->session(
|
|
-hostname => $host,
|
|
-community => $community,
|
|
-port => $port
|
|
);
|
|
|
|
|
|
if (!defined ($session))
|
|
{
|
|
die "Croaking: $error";
|
|
}
|
|
|
|
|
|
if ($ARGV[0] and $ARGV[0] eq "config")
|
|
{
|
|
print "host_name $host\n";
|
|
if (!defined ($response = $session->get_request($sysRAMUsage)))
|
|
{
|
|
die "Croaking: " . $session->error();
|
|
}
|
|
print "graph_title RAM usage\n";
|
|
print "graph_category memory\n";
|
|
print "graph_args --base 1000 -r --lower-limit 0 --upper-limit 100\n";
|
|
print "graph_vlabel %\n";
|
|
print "graph_scale no\n";
|
|
print "graph_period second\n";
|
|
print "graph_info RAM usage\n";
|
|
print "sysRAMUsage.label RAM Usage\n";
|
|
print "sysRAMUsage.draw AREA\n";
|
|
exit 0;
|
|
}
|
|
|
|
|
|
if (defined ($response = $session->get_request($sysRAMUsage)))
|
|
{
|
|
print "sysRAMUsage.value ", $response->{$sysRAMUsage}, "\n";
|
|
}
|
|
else
|
|
{
|
|
print "sysRAMUsage.value U\n";
|
|
}
|
|
|
|
# vim:syntax=perl
|