Removes loner idle keys

resque_tools.rb

  module Resque
    module Tools
      extend self

      def remove_idle_keys
        affected = 0 

        if ::Resque.info[:pending] == 0
          keys = ::Resque.redis.keys.grep(/loners/)
          affected = keys.reduce(affected) do |r,key|·
            r += ::Resque.redis.del(key)
          end 
        end 

        affected
      end 

    end 
  end