snmp__if_err_ 5.73 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
#!/usr/bin/perl -w
#
# Copyright (C) 2004 Jimmy Olsen, Dagfinn Ilmari Mannsaaker
#
# 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: snmp__if_err_,v $
Stephane Glondu's avatar
Stephane Glondu committed
21
# Revision 1.1  2006/04/20 13:01:21  salles
Xavier Lagorce's avatar
Xavier Lagorce committed
22
# On regroupe les plugins munin dans un répertoire commun à toutes les machines
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
#
# Revision 1.16  2004/12/10 18:51:43  jimmyo
# linux/apt* has been forced to LANG=C, to get predictable output.
#
# Revision 1.15  2004/12/10 10:47:47  jimmyo
# Change name from ${scale} to ${graph_period}, to be more consistent.
#
# Revision 1.14  2004/12/09 22:12:55  jimmyo
# Added "graph_period" option, to make "graph_sums" usable.
#
# Revision 1.13  2004/11/21 00:16:56  jimmyo
# Changed a lot of plugins so they use DERIVE instead of COUNTER.
#
# Revision 1.12  2004/11/20 22:37:21  jimmyo
# Strip strange characters.
#
# Revision 1.11  2004/11/20 22:10:49  jimmyo
# Clean up output of plugin a bit.
#
# Revision 1.10  2004/11/20 22:06:22  jimmyo
# Clean up output of plugin a bit.
#
# Revision 1.9  2004/11/16 20:08:26  jimmyo
# License cleanups.
#
# Revision 1.8  2004/11/12 20:28:03  ilmari
# No debugging info by default
#
# Revision 1.7  2004/09/08 15:25:33  ilmari
# Use /usr/bin/perl in all perl shebang lines.
#
# Revision 1.6  2004/09/07 13:19:22  ilmari
# SNMP plugins now honour the "host" environment variable if they can't deduce the hostname from zsh.
#
# Revision 1.5  2004/09/05 12:00:18  jimmyo
# Set family and capabilities.
#
# Revision 1.4  2004/09/04 21:58:28  jimmyo
# Set category and info fields.
#
# Revision 1.3  2004/09/04 19:12:14  jimmyo
# Accept ppp interfaces as well as ethernet interfaces.
#
# Revision 1.2  2004/04/30 22:20:22  jimmyo
# It should now even work. :-)
#
# Revision 1.1  2004/04/30 16:59:45  jimmyo
# New SNMP plugin: if_err
#
# Revision 1.3  2004/02/22 20:17:58  jimmyo
# Typo fix
#
# Revision 1.2  2004/02/18 21:54:56  jimmyo
# Did a bit of work on the snmp-thingie.
#
# Revision 1.1  2004/01/02 18:50:00  jimmyo
# Renamed occurrances of lrrd -> munin
#
# Revision 1.1.1.1  2004/01/02 15:18:07  jimmyo
# Import of LRRD CVS tree after renaming to Munin
#
# Revision 1.1  2003/12/19 20:53:45  jimmyo
# Created by jo
#
#
#%# 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 ($0 =~ /^(?:|.*\/)snmp_([^_]+)_if_err_(.+)$/)
{
	$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 $ifEntryDescr     = "1.3.6.1.2.1.31.1.1.1.18.$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 $ifEntryInErrors  = "1.3.6.1.2.1.2.2.1.14.$iface";
my $ifEntryOutErrors = "1.3.6.1.2.1.2.2.1.20.$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;
	}
	if (length ($name) > 15)
	{
		print "graph_title Interface $iface errors\n";
	}
	else
	{
		print "graph_title Interface $name errors\n";
	}
	print "graph_order recv send\n";
	print "graph_args --base 1000\n";
	print "graph_vlabel bits in (-) / out (+) per \${graph_period}\n";
	print "graph_category network\n";
	print "graph_info This graph shows errors for the \"$name\" network interface.\n";
	print "send.info Bits unsuccessfully 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 "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 10\n";
	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 = $session->get_request($ifEntryInErrors)))
{
	print "recv.value ", $response->{$ifEntryInErrors}, "\n";
}
else
{
	print "recv.value U\n";
}

if (defined ($response = $session->get_request($ifEntryOutErrors)))
{
	print "send.value ", $response->{$ifEntryOutErrors}, "\n";
}
else
{
	print "send.value U\n";
}