mperham--sidekiq/lib/sidekiq/job_logger.rb

module Sidekiq
  class JobLogger

    def call(item, queue)
      begin
        start = Time.now
        logger.info("start".freeze)
        yield
        logger.info("done: #{elapsed(start)} sec")
      rescue Exception
        logger.info("fail: #{elapsed(start)} sec")
        raise
      end
    end

    private

    def elapsed(start)
      (Time.now - start).round(3)
    end

    def logger
      Sidekiq.logger
    end
  end
end