appsignal stats and error handling for que.gem

appsignalque.rb

module AppSignalQue
  def _run(*args)
    Appsignal.monitor_transaction(
      'perform_job.que',
      :class => self.class,
      :method => 'run',
      :attempts => attrs[:error_count],
      :queue => attrs[:queue],
      :queue_time => (Time.now.to_f - attrs['run_at'].to_f) * 1000,
    ) do
      Appsignal::Transaction.current.set_tags(Hash[args.map.with_index { |x, i| ["param_#{i}", x.to_s] }])
      super
    end
  end
end

Que::Job.prepend AppSignalQue