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snmp__apc: initial import.

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This is a simple plugin that makes it possible to monitor the amp
drain on APC's PDUs.
This commit is contained in:
Diego Elio Pettenò 2012-08-06 21:22:04 -07:00
parent f050ef001f
commit d9533d6190
1 changed files with 104 additions and 0 deletions
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#!/usr/bin/perl -w
# -*- perl -*-
=head1 NAME
snmp__apc - SNMP plugin to monitor APC metered and managed PDUs.
=head1 APPLICABLE SYSTEMS
This has been tested with AP7830 metered PDUs, but should work with
most other PDUs that follow the PowerNet-MIB published by APC.
=head1 CONFIGURATION
Most likely you want to use SNMP version 3 to connect to the PDUs, as
they don't support version 2 (only 1 or 3). This can be achieved by
using:
[snmp_*_apc]
env.version 3
Please see 'perldoc Munin::Plugin::SNMP' for further configuration
information.
=head1 MIB INFORMATION
This plugin requires the PowerNet-MIB from APC.
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=head1 BUGS
None known.
=head1 AUTHOR
Copyright (C) 2012 Diego Elio Pettenò.
=head1 LICENSE
GPLv2
=cut
use strict;
use Munin::Plugin;
use Munin::Plugin::SNMP;
# This is the data we care about:
# PowerNet-MIB::rPDUIdentModelNumber.0 -> .1.3.6.1.4.1.318.1.1.12.1.5.0
# PowerNet-MIB::rPDUIdentSerialNumber.0 -> .1.3.6.1.4.1.318.1.1.12.1.6.0
# PowerNet-MIB::rPDULoadDevNumPhases.0 -> .1.3.6.1.4.1.318.1.1.12.2.1.2.0
# PowerNet-MIB::rPDULoadPhaseConfigNearOverloadThreshold.phase1 -> .1.3.6.1.4.1.318.1.1.12.2.2.1.1.3.1
# PowerNet-MIB::rPDULoadPhaseConfigOverloadThreshold.phase1 -> .1.3.6.1.4.1.318.1.1.12.2.2.1.1.4.1
# PowerNet-MIB::rPDULoadStatusLoad.1 -> .1.3.6.1.4.1.318.1.1.12.2.3.1.1.2.1
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf") {
print "index 1.3.6.1.4.1.318.1.1.12.2.2.1.1.1.\n";
print "require 1.3.6.1.4.1.318.1.1.12.2.3.1.1.2.[1-9]"; # Load
}
my $oidModelNo = '1.3.6.1.4.1.318.1.1.12.1.5.0';
my $oidSerialNo = '1.3.6.1.4.1.318.1.1.12.1.6.0';
my $oidNumPhases = '1.3.6.1.4.1.318.1.1.12.2.1.2.0';
my $oidNearOverloadThreshold = '1.3.6.1.4.1.318.1.1.12.2.2.1.1.3.';
my $oidOverloadThreshold = '1.3.6.1.4.1.318.1.1.12.2.2.1.1.4.';
my $oidPhaseLoad = '1.3.6.1.4.1.318.1.1.12.2.3.1.1.2.';
# SNMP needed for both config and fetch.
my $session = Munin::Plugin::SNMP->session();
my $numPhases = $session->get_single($oidNumPhases);
if ($ARGV[0] and $ARGV[0] eq "config") {
my ($host,undef,$version) = Munin::Plugin::SNMP->config_session();
print "host_name $host\n" unless $host eq 'localhost';
my $modelNo = $session->get_single($oidModelNo);
my $serialNo = $session->get_single($oidSerialNo);
print "graph_title PDU $modelNo ($serialNo)\n";
print "graph_vlabel Current drained (A)\n";
print "graph_category Sensors\n";
for( my $phaseIndex = 1; $phaseIndex <= $numPhases; $phaseIndex++ ) {
my $nearOverloadThreshold = $session->get_single($oidNearOverloadThreshold . $phaseIndex);
my $overloadThreshold = $session->get_single($oidOverloadThreshold . $phaseIndex);
print "phase$phaseIndex.label Phase $phaseIndex load\n";
print "phase$phaseIndex.warning $nearOverloadThreshold\n";
print "phase$phaseIndex.critical $overloadThreshold\n";
print "phase$phaseIndex.min 0\n";
}
exit 0;
}
for( my $phaseIndex = 1; $phaseIndex <= $numPhases; $phaseIndex++ ) {
# the phaseLoad value is defined in dA — we might as well convert to full Amperes
my $phaseLoad = $session->get_single($oidPhaseLoad . $phaseIndex) / 10.0;
print "phase$phaseIndex.value $phaseLoad\n";
}