hoge_worker.rb

module Crawler
  class DomainSpecificWorker
    include Sidekiq::Worker
  
    def self.domainify(domain_id)
      klass_name = "#{self.name.split('::').last}_#{domain_id}"
      unless Crawler.const_defined?(klass_name)
          Crawler.const_set(klass_name.to_sym, self.clone)
          klass = Crawler.const_get(klass_name.to_sym)
          queue = klass.class_variable_get(:@@queue).to_s + "-#{domain_id}"
          klass.sidekiq_options(queue: queue.to_sym)
          klass.class_variable_set(:@@queue, queue)
        end
        Crawler.const_get(klass_name.to_sym)
    end
  end

  class HogeWorker < DomainSpecificWorker
    @@queue = :hoge
  
    def perform(pamram)
      # do something
    end
  end
end