diff --git a/plugins/snmp/snmp__cisco_sbs_cpu b/plugins/snmp/snmp__cisco_sbs_cpu new file mode 100644 index 00000000..9dd58a3c --- /dev/null +++ b/plugins/snmp/snmp__cisco_sbs_cpu @@ -0,0 +1,90 @@ +#!/usr/bin/perl -w +# -*- perl -*- +# vim: ft=perl + +=head1 NAME + +snmp__cisco_sbs_cpu - Munin plugin to monitor CPU Usage on Cisco Small Business Switches. + +=head1 APPLICABLE SYSTEMS + +Cisco Small Business Switches (SBXXXX devices) + +=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 + +CPU Percentage gives an idea of utilization of the device. High CPU +can indicate a configuration problem or overutilization of the device. + +=head1 MAGIC MARKERS + + #%# family=snmpauto + #%# capabilities=snmpconf + +=head1 VERSION + + $Id$ + +=head1 BUGS + +None known. + +=head1 AUTHOR + +Copyright (C) 2015 James DeVincentis + +=head1 LICENSE + +GPLv3. + +=cut + +use strict; +use Munin::Plugin::SNMP; + +if (defined $ARGV[0] and $ARGV[0] eq 'snmpconf') { + print "require 1.3.6.1.4.1.9.6.1.101.1.7.0 [0-9]\n"; + 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 <<"EOF"; +graph_title CPU Utilization +graph_args --base 1000 -l 0 -u 100 +graph_vlabel CPU % +graph_category system +graph_info This graph shows the percentage of CPU used at different intervals. High CPU Utilization can indicate a configuration problem or overutilization of the device. +load5sec.label 5s +load5sec.info 5 Second CPU Utilization Average +load5sec.draw LINE1 +load1min.label 1m +load1min.info 1 Minute CPU Utilization Average +load1min.draw LINE1 +load5min.label 5m +load5min.info 5 Minute CPU Utilization Average +EOF + exit 0; +} + +my $session = Munin::Plugin::SNMP->session(); +print "load5sec.value ", $session->get_single('1.3.6.1.4.1.9.6.1.101.1.7.0'), "\n"; +print "load1min.value ", $session->get_single('1.3.6.1.4.1.9.6.1.101.1.8.0'), "\n"; +print "load5min.value ", $session->get_single('1.3.6.1.4.1.9.6.1.101.1.9.0'), "\n";