code: def list(type)
        request  = Net::HTTP::Get.new URI.join(@base_uri.to_s, "cloudlets/api/v2/origins?type=#{type}").to_s
        response = @http_host.request(request)
        response.body
      end
docs: List cloudlet Origins
   @type this is origin type, e.g. APPLICATION_LOAD_BALANCER