[Rails]ActiveJobからurl_helperを呼ぶ ref: http://qiita.com/kazasiki/items/69e5318c662a60536939

base_job.rb

class BaseJob < ActiveJob::Base
  include Rails.application.routes.url_helpers

  protected

  def default_url_options
    { host: ENV['HOST_NAME'] }
  end
end

hoge_job.rb

class HogeJob < BaseJob
  queue_as :default

  def perform(*args)
    # something
    # foobar_urlが呼べる
  end
end