#!/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_connections_1] env.server 127.0.0.1:11211 env.label "first local server" [memcached_connections_2] env.server /var/run/memcached/memcached.sock env.label "second local server" =cut my $label = exists $ENV{'label'} ? $ENV{'label'} : ''; unless( $label ){ if( $0 =~ /memcached_ext_connections_([\w\d]+)$/ ){ $label = $1; } } my $cmd = shift || ''; if ($cmd eq 'config') { print "graph_title Memcached connections on $label\n"; print "graph_args --base 1000 -l 0\n"; print "graph_vlabel connections\n"; print "graph_category memcached\n"; print "graph_info This graph monitors the connections to the memcached server.\n"; print "connections.label connections\n"; print "connections.info Number of connections to memcached\n"; print "connections.min 0\n"; print "connections.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 "connections.value " . $memstats->{hosts}->{$server}->{misc}->{curr_connections} . "\n";