#!/bin/bash
username=$1
homedir="/data/"
num=1
check_command() {
    if [ $? -ne 0 ]; then
        let num = $num + 1
        exit 1  # 退出脚本并返回错误状态
    fi
}

mkdir -p $homedir/$usernames
check_command
chown -R $username:$username $homedir/$username
check_command
useradd -m -d $homedir/$username -s /bin/bash $username
check_command
password= $(openssl rand -base64 48 | cut -c1-6)
echo "$password" | passwd --stdin $username
check_command
chown -R $username:$username $homedir/$username
check_command
usermod -aG docker $username
check_command
newgrp docker
check_command
read -p "是否需要sudo权限(y/n):" yn
if [ $yn = "是" ]; then
    usermod -aG sudo $username
fi
echo "用户创建成功!"
echo "================================================================"
IP=$(curl ifconfig.me)
echo "公网IP：$IP"
ip=$(hostname -I)
echo "内网IP(默认使用第一个)：$ip"
echo "用户名:$username"
echo "密码:$password"