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contrib-munin/plugins/network/snmp__ifx_

165 lines
4.6 KiB
Perl
Executable File

#!/usr/bin/perl -w
#
# Copyright (C) 2008 François Borlet-Hote
#
# 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.
#
#
# $Log$
#
# Based on snmp_if from the Revision 1.18 2004/12/10 18:51:43 by jimmyo
#
# Revision 1.0 2008/05/29 16:10:00 fbh
# Created by fbh
#
#
#%# 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 $iface = $ENV{interface} || undef;
my $version = $ENV{version} || "2c";
my $response;
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
{
print "number 1.3.6.1.2.1.2.1.0\n";
print "index 1.3.6.1.2.1.2.2.1.1.\n";
print "require 1.3.6.1.2.1.2.2.1.3. ^(6|23)\$\n"; # Type
print "require 1.3.6.1.2.1.2.2.1.5. [1-9]\n"; # Speed
exit 0;
}
if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_ifX_(.+)$/)
{
$host = $1;
$iface = $2;
if ($host =~ /^([^:]+):(\d+)$/)
{
$host = $1;
$port = $2;
}
}
elsif (!defined($host))
{
print "# Debug: $0 -- $1 -- $2\n" if $DEBUG;
die "# Error: couldn't understand what I'm supposed to monitor.";
}
my $ifEntryDescr = "1.3.6.1.2.1.2.2.1.2.$iface";
my $ifEntrySpeed = "1.3.6.1.2.1.2.2.1.5.$iface";
my $ifEntryStatus = "1.3.6.1.2.1.2.2.1.8.$iface";
my $ifEntryInOctets = "1.3.6.1.2.1.31.1.1.1.6.$iface";
my $ifEntryOutOctets = "1.3.6.1.2.1.31.1.1.1.10.$iface";
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port,
-version => $version
);
if (!defined ($session))
{
die "Croaking: $error";
}
if ($ARGV[0] and $ARGV[0] eq "config")
{
print "host_name $host\n";
if (!defined ($response = $session->get_request($ifEntryDescr)))
{
die "Croaking: " . $session->error();
}
my $name = $response->{$ifEntryDescr};
$name =~ s/[^\w\s]//g;
my $warn = undef;
my $max = 1000000000;
if (defined ($response = $session->get_request($ifEntrySpeed)))
{
$max = $response->{$ifEntrySpeed};
$warn = $response->{$ifEntrySpeed}*0.8;
}
if (length ($name) > 15)
{
print "graph_title Interface $iface traffic\n";
}
else
{
print "graph_title Interface $name traffic\n";
}
print "graph_order recv send\n";
print "graph_args --base 1000\n";
print "graph_vlabel bits in (-) / out (+) per \${graph_period}\n";
print "graph_category network\n";
print "graph_info This graph shows traffic for the \"$name\" network interface.\n";
print "send.info Bits sent/received by this interface.\n";
print "recv.label recv\n";
print "recv.type DERIVE\n";
print "recv.graph no\n";
print "recv.cdef recv,8,*\n";
print "recv.max ",$max,"\n";
print "recv.min 0\n";
print "recv.warn ", (-$warn), "\n" if defined $warn;
print "send.label bps\n";
print "send.type DERIVE\n";
print "send.negative recv\n";
print "send.cdef send,8,*\n";
print "send.max ",$max,"\n";
print "send.min 0\n";
print "send.warn $warn\n" if defined $warn;
exit 0;
}
my $status = 1;
if (defined ($response = $session->get_request($ifEntryStatus)))
{
$status = $response->{$ifEntryStatus};
}
if ($status == 2)
{
print "recv.value U\n";
print "send.value U\n";
exit 0;
}
if (defined ($response = $session->get_request($ifEntryInOctets)))
{
print "recv.value ", $response->{$ifEntryInOctets}, "\n";
}
else
{
print "recv.value U\n";
}
if (defined ($response = $session->get_request($ifEntryOutOctets)))
{
print "send.value ", $response->{$ifEntryOutOctets}, "\n";
}
else
{
print "send.value U\n";
}