Munin contributed plugins

#!/usr/bin/env perl

# ex:ts=4

use strict;

use warnings;

use Cache::Memcached;

my $cmd = shift || '';

if ($cmd eq 'config') {

	print "graph_title Memcached network traffic\n";

	print "graph_args --base 1000 -l 0\n";

	print "graph_vlabel bits per \${graph_period}\n";

	print "graph_category memcached\n";

	print "graph_info This graph monitors the network traffic of the memcached server.\n";

	print "up.label bits in\n";

	print "up.info Traffic received by memcached\n";

	print "up.min 0\n";

	print "up.cdef up,8,*\n";

	print "up.type COUNTER\n";

	print "up.draw AREA\n";

	print "down.label bits out\n";

	print "down.info Traffic sent by memcached\n";

	print "down.min 0\n";

	print "down.cdef down,8,*\n";

	print "down.type COUNTER\n";

	exit 0;

}

$0 =~ /memcached_traffic_(\d+_\d+_\d+_\d+)_(\d+)$/;

my ($ip, $port) = ($1, $2);

$ip =~ s/_/./g;

my $address = "$ip:$port";

my $memd = new Cache::Memcached { 'servers' => [$address] };

my $memstats = $memd->stats(['misc']);

print "up.value " . $memstats->{hosts}->{$address}->{misc}->{bytes_read} . "\n";

print "down.value " . $memstats->{hosts}->{$address}->{misc}->{bytes_written} . "\n";