/usr/share/munin/plugins/snmp__sensors_mbm_volt is in munin-plugins-core 2.0.25-1+deb8u3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 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 | #!/usr/bin/perl -w
# -*- perl -*-
=head1 NAME
snmp__sensors_mbm_volt - Plugin to fetch sensor data from Windows
boxes running Motherboard Monitor <http://mbm.livewiredev.com/> and
SNMP-Informant - MBM agent <http://www.snmp-informant.com/>.
=head1 CONFIGURATION
The following environment variables are used by this plugin:
host - SNMP host
port - SNMP port
community - SNMP community
=head1 AUTHOR
Copyright (C) 2004 Jimmy Olsen
=head1 LICENSE
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=cut
use strict;
use Net::SNMP;
my $MAXLABEL = 20;
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 "require 1.3.6.1.4.1.9600.1.10.6.1.1.\n";
print "require 1.3.6.1.4.1.9600.1.10.6.1.3. 2\n"; # Type=voltage
print "require 1.3.6.1.4.1.9600.1.10.6.1.7. [1-9]\n"; # Low value != 0
print "require 1.3.6.1.4.1.9600.1.10.6.1.9. [1-9]\n"; # High value != 0
exit 0;
}
if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_sensors_mbm_volt$/)
{
$host = $1;
if ($host =~ /^([^:]+):(\d+)$/)
{
$host = $1;
$port = $2;
}
}
elsif (!defined($host))
{
print "# Debug: $0 -- $1\n" if $Munin::Plugin::SNMP::DEBUG;
die "# Error: couldn't understand what I'm supposed to monitor.";
}
# The OIDs we're after
my $mbmDeviceType = "1.3.6.1.4.1.9600.1.10.6.1.3."; # Should be 2 (volt)
my $mbmHighWatermark = "1.3.6.1.4.1.9600.1.10.6.1.7."; # Should be non-zero
my $mbmLowWatermark = "1.3.6.1.4.1.9600.1.10.6.1.9."; # Should be non-zero
my $mbmName = "1.3.6.1.4.1.9600.1.10.6.1.2."; # Name of sensor
my $mbmValue = "1.3.6.1.4.1.9600.1.10.6.1.6."; # Data point
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port
);
if (!defined ($session))
{
die "Croaking: $error";
}
# First we want to find the harddisks...
my $correct_type = get_by_regex ($session, $mbmDeviceType, "^2\$");
my $correct_high = get_by_regex ($session, $mbmHighWatermark, "[1-9]");
my $correct_low = get_by_regex ($session, $mbmLowWatermark, "[1-9]");
my @keep = ();
foreach my $id (keys %$correct_type)
{
if (exists $correct_high->{$id} and
exists $correct_low->{$id})
{
push (@keep, $id);
}
}
my %sensors;
foreach my $kept (@keep) # For each temp sensor...
{
$sensors{$kept}{name} = get_single ($session, $mbmName . "$kept");
}
if (defined $ARGV[0] and $ARGV[0] eq "config")
{
print "host_name $host\n" unless $host eq 'localhost';
print "graph_title Voltages\n";
print "graph_vlabel Volt\n";
print "graph_category sensors\n";
print "graph_info This graph shows voltages in the system.\n";
foreach my $sensor (keys %sensors)
{
print (&get_name_by_sensor ($sensors{$sensor}{name}), ".label ");
print (length($sensors{$sensor}{name})<=$MAXLABEL ? $sensors{$sensor}{name} : "...".substr($sensors{$sensor}{name},-($MAXLABEL-3)));
print ("\n");
print (&get_name_by_sensor ($sensors{$sensor}{name}), ".info Voltage readout from the motherboard sensor \"$sensors{$sensor}{name}\".\n");
}
exit 0;
}
foreach my $sensor (keys %sensors)
{
my $val = get_single ($session, $mbmValue . $sensor);
print (&get_name_by_sensor ($sensors{$sensor}{name}), ".value $val\n");
}
sub get_single
{
my $handle = shift;
my $oid = shift;
print "# Getting single \"$oid\"..." if $Munin::Plugin::SNMP::DEBUG;
$response = $handle->get_request ($oid);
if (!defined $response->{$oid})
{
print "undef\n" if $Munin::Plugin::SNMP::DEBUG;
return undef;
}
else
{
print "\"$response->{$oid}\"\n" if $Munin::Plugin::SNMP::DEBUG;
return $response->{$oid};
}
}
sub get_by_regex
{
my $handle = shift;
my $oid = shift;
my $regex = shift;
my $result = {};
my $num = 0;
my $ret = $oid . "0";
my $response;
print "# Starting browse of $oid...\n" if $Munin::Plugin::SNMP::DEBUG;
while (1)
{
if ($num == 0)
{
print "# Checking for $ret...\n" if $Munin::Plugin::SNMP::DEBUG;
$response = $handle->get_request ($ret);
}
if ($num or !defined $response)
{
print "# Checking for sibling of $ret...\n" if $Munin::Plugin::SNMP::DEBUG;
$response = $handle->get_next_request ($ret);
}
if (!$response)
{
return undef;
}
my @keys = keys %$response;
$ret = $keys[0];
print "# Analyzing $ret (compared to $oid)...\n" if $Munin::Plugin::SNMP::DEBUG;
last unless ($ret =~ /^$oid/);
$num++;
next unless ($response->{$ret} =~ /$regex/);
@keys = split (/\./, $ret);
$result->{$keys[-1]} = $response->{$ret};;
print "# Index $num: ", $keys[-1], " (", $response->{$ret}, ")\n" if $Munin::Plugin::SNMP::DEBUG;
};
return $result;
}
sub get_name_by_sensor
{
my $mp = shift;
$mp =~ s/[^a-z0-9_]/_/gi;
$mp =~ tr/A-Z/a-z/;
return "p" . $mp;
}
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