"chore: 为 --cloud-data 添加文档，同时cloud-data工作时在 dd info output中显示 (#560)

README.en.md

@@ -248,9 +248,28 @@ bash reinstall.sh dd --img "https://example.com/xxx.xz"
 - `--ssh-port PORT` Change SSH port (for log observation during installation)
 - `--web-port PORT` Change Web port (for log observation during installation)
 - `--frpc-toml PATH` Add frpc for intranet tunneling (DD Windows only). Parameter can be local filepath or HTTP URL
+- `--cloud-data PATH_OR_URL` Inject cloud-init NoCloud configuration into the DD'd Linux image (DD Linux only)
 - `--hold 1` Reboot only into install environment, without running installer, only for SSH connect to test network connection.
 - `--hold 2` Prevent reboot after the DD process finishes. For SSH login to modify system content. The Windows system will be mounted at `/os`, but Linux systems will **NOT** be automatically mounted.
 
+> [!TIP]
+>
+> `--cloud-data` accepts a local directory path or an HTTP base URL. The directory must contain a `user-data` file; `meta-data` and `network-config` are optional:
+>
+> ```
+> seed/
+> ├── user-data      # required
+> ├── meta-data      # optional
+> └── network-config # optional
+> ```
+>
+> ```bash
+> # Local directory
+> bash reinstall.sh dd --img "https://example.com/xxx.xz" --cloud-data /path/to/seed/
+> # HTTP directory
+> bash reinstall.sh dd --img "https://example.com/xxx.xz" --cloud-data "https://example.com/seed/"
+> ```
+
 > [!TIP]
 >
 > Can monitor the progress through various methods (SSH, HTTP 80 port, VNC from server provider, serial console).

README.md

@@ -248,9 +248,28 @@ bash reinstall.sh dd --img "https://example.com/xxx.xz"
 - `--ssh-port PORT` 修改 SSH 端口（安装期间观察日志用）
 - `--web-port PORT` 修改 Web 端口（安装期间观察日志用）
 - `--frpc-toml PATH` 添加 frpc 内网穿透（仅限 DD Windows），参数填本地路径或 HTTP 链接
+- `--cloud-data PATH_OR_URL` 为 DD Linux 镜像注入 cloud-init NoCloud 配置（仅限 DD Linux）
 - `--hold 1` 仅重启到安装环境，不运行安装，用于 SSH 登录验证网络连通性
 - `--hold 2` DD 结束后不重启，用于 SSH 登录修改系统内容，Windows 系统会挂载在 `/os`，Linux 系统**不会**自动挂载
 
+> [!TIP]
+>
+> `--cloud-data` 参数为本地目录或 HTTP 基础 URL，目录须包含 `user-data` 文件，`meta-data`、`network-config` 可选：
+>
+> ```
+> seed/
+> ├── user-data      # 必须
+> ├── meta-data      # 可选
+> └── network-config # 可选
+> ```
+>
+> ```bash
+> # 使用本地目录
+> bash reinstall.sh dd --img "https://example.com/xxx.xz" --cloud-data /path/to/seed/
+> # 使用 HTTP 目录
+> bash reinstall.sh dd --img "https://example.com/xxx.xz" --cloud-data "https://example.com/seed/"
+> ```
+
 > [!TIP]
 >
 > 可通过多种方式（SSH、HTTP 80 端口、商家后台 VNC、串行控制台）查看安装进度。

reinstall.sh

@@ -3776,6 +3776,7 @@ This script is outdated, please download reinstall.sh again.
         fi
         # 校验：至少要有 user-data
         [ -f $initrd_dir/configs/cloud-data/user-data ] || error_and_exit "--cloud-data must contain user-data"
+        cloud_data_files=$(ls $initrd_dir/configs/cloud-data/ | tr '\n' ' ')
     fi
 
     if is_distro_like_debian $nextos_distro; then
@@ -4692,6 +4693,10 @@ if is_netboot_xyz; then
 elif is_alpine_live; then
     echo 'Reboot to start Alpine Live OS.'
 elif is_use_dd; then
+    if [ -n "$cloud_data" ]; then
+        echo "Cloud Data: $cloud_data"
+        echo "Cloud Data Files: $cloud_data_files"
+    fi
     show_dd_password_tips
     echo 'Reboot to start DD.'
 elif [ "$distro" = fnos ]; then