# File lib/chef/knife/data_bag_create.rb, line 59
      def run
        @data_bag_name, @data_bag_item_name = @name_args

        if @data_bag_name.nil?
          show_usage
          ui.fatal("You must specify a data bag name")
          exit 1
        end

        # create the data bag
        begin
          rest.post_rest("data", { "name" => @data_bag_name })
          ui.info("Created data_bag[#{@data_bag_name}]")
        rescue Net::HTTPServerException => e
          raise unless e.to_s =~ /^409/
          ui.info("Data bag #{@data_bag_name} already exists")
        end

        # if an item is specified, create it, as well
        if @data_bag_item_name
          create_object({ "id" => @data_bag_item_name }, "data_bag_item[#{@data_bag_item_name}]") do |output|
            item = Chef::DataBagItem.from_hash(
                     if use_encryption
                       Chef::EncryptedDataBagItem.encrypt_data_bag_item(output, read_secret)
                     else
                       output
                     end)
            item.data_bag(@data_bag_name)
            rest.post_rest("data/#{@data_bag_name}", item)
          end
        end
      end