Basic Sidekiq queue info mixin.

sidekiq_cli_info

module Sidekiq
  class Info
    class << self
      def queue_names
        Sidekiq.redis {|conn|
          conn.smembers('queues').sort
        }
      end
      def queue_counts
        queue_status = {}
        queue_names.each do |queue|
          Sidekiq.redis {|conn|
            queue_status["#{queue}"] = conn.llen "queue:#{queue}"
          }
        end
        {"sidekiq queue sizes " => queue_status}
      end
    end
  end
end