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_hits_1]

 env.server 127.0.0.1:11211

 env.label "first local server"

 [memcached_hits_2]

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

 env.label "second local server"

=cut

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

unless( $label ){

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

		$label = $1;

	}

}

my $cmd = shift || '';

if ($cmd eq 'config') {

	print "graph_title Memcached cache hits and misses on $label\n";

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

	print "graph_vlabel requests\n";

	print "graph_category memory\n";

	print "graph_info This graph monitors the number of cache hits and misses.\n";

	print "hits.label hits\n";

	print "hits.info Number of cache hits\n";

	print "hits.min 0\n";

	print "hits.type DERIVE\n";

	print "misses.label misses\n";

	print "misses.info Number of cache misses\n";

	print "misses.min 0\n";

	print "misses.type DERIVE\n";

	print "misses.draw AREA\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 "hits.value " . $memstats->{hosts}->{$server}->{misc}->{get_hits} . "\n";

print "misses.value " .

	$memstats->{hosts}->{$server}->{misc}->{get_misses} . "\n";