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oz 2007-01-18 16:14:54 +01:00 • committed by Steve Schnepp
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commit 45961c6543
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plugins/other/snmp__if_ Executable file
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#!/usr/bin/perl -w
##
## Copyright (C) 2007 OZ
##
## interface-traffic including warnlevels, based on snmp__if_.
##
## supports entries for maximum bitrates in
## /etc/munin/plugin-conf.d/munin-node like:
## [snmp_<hostname>_if_*]
## env.levelwarn 800000
## env.levelcrit 1000000
##
## 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.
##
## Revision 0.1 2007/01/18 15:00:00 oz
#
#%# 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 $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 ($0 =~ /^(?:|.*\/)snmp_([^_]+)_if_(.+)$/)
{
$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 $ifEntryInOctets = "1.3.6.1.2.1.2.2.1.10.$iface";
my $ifEntryOutOctets = "1.3.6.1.2.1.2.2.1.16.$iface";
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 = $session->get_request($ifEntryDescr)))
{
die "Croaking: " . $session->error();
}
my $name = $response->{$ifEntryDescr};
$name =~ s/[^\w\s]//g;
my $warn = undef;
if (defined ($response = $session->get_request($ifEntrySpeed)))
{
$warn = $response->{$ifEntrySpeed}/8;
}
my $levelwarn=undef;
$levelwarn=$ENV{levelwarn} if defined($ENV{levelwarn});
my $levelcrit=undef;
$levelcrit=$ENV{levelcrit} if defined($ENV{levelcrit});
if (length ($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 2000000000\n";
print "recv.min 0\n";
print "recv.warn ", (-$warn), "\n" if defined $warn;
print "recv.warning $levelwarn\n" if defined $levelwarn;
print "recv.critical $levelcrit\n" if defined $levelcrit;
print "send.label bps\n";
print "send.type DERIVE\n";
print "send.negative recv\n";
print "send.cdef send,8,*\n";
print "send.max 2000000000\n";
print "send.min 0\n";
print "send.warn $warn\n" if defined $warn;
print "send.warning $levelwarn\n" if defined $levelwarn;
print "send.critical $levelcrit\n" if defined $levelcrit;
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";
}