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contrib-munin/plugins/synology/snmp__synology_ups

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#!/usr/bin/perl -w
# -*- cperl -*-
# vim: ft=perl
=head1 NAME
snmp__syno_ups - Munin plugin to retrieve various information of the
UPS attached to a Synology NAS.
=head1 APPLICABLE SYSTEMS
Any Synology NAS device which provides the synoUPS MIB.
=head1 CONFIGURATION
As a rule SNMP plugins need site specific configuration. The default
configuration (shown here) will only work on insecure sites/devices.
[snmp_*]
env.version 2
env.community public
In general SNMP is not very secure at all unless you use SNMP version
3 which supports authentication and privacy (encryption). But in any
case the community string for your devices should not be "public".
Please see 'perldoc Munin::Plugin::SNMP' for further configuration
information.
=head1 INTERPRETATION
The plugin reports the following stats about the UPS attached:
- Load in %
- Charge in %
=head1 MIB INFORMATION
This plugin requires support for the synoUPS MIB by Synology.
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=head1 VERSION
$Id$
=head1 BUGS
None known.
=head1 AUTHOR
Copyright (C) 2015 Thomas Arthofer
=head1 LICENSE
GPLv2 or (at your option) any later version.
=cut
use strict;
use Munin::Plugin::SNMP;
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf") {
print "require 1.3.6.1.4.1.6574.4.3.1.1.0 [0-9]\n"; # Charge
print "require 1.3.6.1.4.1.6574.4.2.12.1.0 [0-9]\n"; # Load
exit 0;
}
if (defined $ARGV[0] and $ARGV[0] eq "config") {
my ($host) = Munin::Plugin::SNMP->config_session();
print "host_name $host\n" unless $host eq 'localhost';
print "graph_title UPS
graph_args --base 1000 -l 0
graph_vlabel Status of UPS
graph_category sensors
graph_info This graph shows the status of the attached UPS.
charge.label Charge
charge.info Charge status of battery.
charge.draw LINE2
load.label Load
load.info Load on the UPS
";
exit 0;
}
my $session = Munin::Plugin::SNMP->session(-translate =>
[ -timeticks => 0x0 ]);
my $charge = $session->get_single (".1.3.6.1.4.1.6574.4.3.1.1.0") || 'ERROR';
$charge = unpack "f", reverse pack "H*", $charge;
my $load = $session->get_single (".1.3.6.1.4.1.6574.4.2.12.1.0") || 'ERROR';
$load = unpack "f", reverse pack "H*", $load;
print "Retrived charge '$charge'\n" if $Munin::Plugin::SNMP::DEBUG;
print "Retrived load '$load'\n" if $Munin::Plugin::SNMP::DEBUG;
print "charge.value ", $charge, "\n";
print "load.value ", $load, "\n";