Munin contributed plugins

#!/usr/bin/env perl

# ex:ts=4

use strict;

use warnings;

use Cache::Memcached;

# Based on original plugin, extended to unix socket use

# https://github.com/western, westroads@gmail.com

=head1 example config for /plugin-conf.d/munin-node

 [memcached_traffic_1]

 env.server 127.0.0.1:11211

 env.label "first local server"

 [memcached_traffic_2]

 env.server /var/run/memcached/memcached.sock

 env.label "second local server"

=cut

my $label = exists $ENV{'label'} ? $ENV{'label'} : '';

unless( $label ){

	if( $0 =~ /memcached_ext_traffic_([\w\d]+)$/ ){

		$label = $1;

	}

}

my $cmd = shift || '';

if ($cmd eq 'config') {

	print "graph_title Memcached network traffic on $label\n";

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

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

	print "graph_category memory\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;

}

my $server = exists $ENV{'server'} ? $ENV{'server'} : '127.0.0.1:11211';

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

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

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

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