munin plugin for show active resque workers

resque_active_workers.rb

#!/usr/bin/env ruby
# Description: Show number of workers active by queue based on "https://gist.github.com/1334470"
# Source: https://gist.github.com/2598272
#
require 'rubygems'
require 'resque'

HOST = ENV['host'] ? ENV['host'] : '127.0.0.1'
PORT = ENV['port'] ? ENV['port'] : '6379'

Resque.redis = "#{HOST}:#{PORT}"

queues = {}

Resque.queues.each do |queue|
  queues[queue] = 0
end

if ARGV.any? && ARGV[0] == 'config'
  puts 'graph_title Workers by Queues'
  puts 'graph_vlabel Workers'
  puts 'graph_category resque'

  queues.keys.each do |queue|
    puts "#{queue}_workers.label #{queue}"
  end
  exit 0
end

Resque.working.map{ |w| w.to_s.split(':').last }.each do |q|
  queues[q] += 1
end

queues.each_pair{ |queue, workers|
  puts "#{queue}_workers.value #{workers}"
}

exit 0