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添加静态IP配置功能

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- 新增DHCP转静态IP功能，避免IP变动导致无法连接打印服务器
- 支持三种网络配置方式：NetworkManager、Netplan、传统interfaces
- 自动检测当前网络配置（IP、网关、子网掩码、DNS）
- 用户可选择使用当前IP或手动输入新IP
- 配置前自动备份原有网络配置文件

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
yuyx
2025-11-30 22:26:51 +08:00
parent 8720c65416
commit 2b373ff6ee
1 changed files with 288 additions and 10 deletions
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298
setup_cups.sh
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@@ -160,6 +160,254 @@ get_ip() {
ip addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -n1
}
# 获取默认网关
get_gateway() {
ip route | grep default | awk '{print $3}' | head -n1
}
# 获取主网络接口名称
get_interface() {
ip route | grep default | awk '{print $5}' | head -n1
}
# 获取子网掩码（CIDR格式）
get_netmask() {
local iface=$(get_interface)
ip addr show "$iface" | grep -oP 'inet \K[\d.]+/\d+' | head -n1 | cut -d'/' -f2
}
# 获取DNS服务器
get_dns() {
# 尝试从 resolv.conf 获取
grep -E "^nameserver" /etc/resolv.conf 2>/dev/null | awk '{print $2}' | head -n2 | tr '\n' ' '
}
# 配置静态IP
configure_static_ip() {
echo ""
echo -e "${YELLOW}═══════════════════════════════════════════════════════════${NC}"
echo -e "${YELLOW} 配置静态 IP 地址 ${NC}"
echo -e "${YELLOW}═══════════════════════════════════════════════════════════${NC}"
echo ""
local current_ip=$(get_ip)
local current_gateway=$(get_gateway)
local current_interface=$(get_interface)
local current_netmask=$(get_netmask)
local current_dns=$(get_dns)
echo -e "${BLUE}当前网络配置:${NC}"
echo " 接口名称: $current_interface"
echo " IP 地址: $current_ip"
echo " 子网掩码: /$current_netmask"
echo " 网关: $current_gateway"
echo " DNS: $current_dns"
echo ""
# 询问是否使用当前IP
echo -e "${YELLOW}是否将当前 IP ($current_ip) 设置为静态 IP？${NC}"
echo " Y - 使用当前 IP"
echo " N - 手动输入新 IP"
echo ""
read -p "选择 [Y/n]: " use_current < /dev/tty
use_current=${use_current:-Y}
local static_ip=""
local static_gateway=""
local static_netmask=""
local static_dns=""
if [[ "$use_current" =~ ^[Yy]$ ]]; then
static_ip="$current_ip"
static_gateway="$current_gateway"
static_netmask="$current_netmask"
static_dns="${current_dns:-8.8.8.8 114.114.114.114}"
else
echo ""
read -p "请输入静态 IP 地址 (如 192.168.1.100): " static_ip < /dev/tty
read -p "请输入子网掩码 (如 24，表示255.255.255.0): " static_netmask < /dev/tty
read -p "请输入网关地址 (如 192.168.1.1): " static_gateway < /dev/tty
read -p "请输入 DNS 服务器 (如 8.8.8.8 114.114.114.114): " static_dns < /dev/tty
static_netmask=${static_netmask:-24}
static_dns=${static_dns:-"8.8.8.8 114.114.114.114"}
fi
# 检查是否使用 NetworkManager
if systemctl is-active --quiet NetworkManager 2>/dev/null; then
configure_static_ip_networkmanager "$current_interface" "$static_ip" "$static_netmask" "$static_gateway" "$static_dns"
# 检查是否使用 netplan (Ubuntu 18.04+)
elif [ -d /etc/netplan ]; then
configure_static_ip_netplan "$current_interface" "$static_ip" "$static_netmask" "$static_gateway" "$static_dns"
# 使用传统的 /etc/network/interfaces
else
configure_static_ip_interfaces "$current_interface" "$static_ip" "$static_netmask" "$static_gateway" "$static_dns"
fi
}
# 使用 NetworkManager 配置静态IP
configure_static_ip_networkmanager() {
local iface=$1
local ip=$2
local mask=$3
local gw=$4
local dns=$5
info "检测到 NetworkManager，使用 nmcli 配置..."
# 获取连接名称
local conn_name=$(nmcli -t -f NAME,DEVICE con show --active | grep "$iface" | cut -d':' -f1)
if [ -z "$conn_name" ]; then
conn_name="$iface"
fi
# 配置静态IP
nmcli con mod "$conn_name" ipv4.method manual
nmcli con mod "$conn_name" ipv4.addresses "$ip/$mask"
nmcli con mod "$conn_name" ipv4.gateway "$gw"
nmcli con mod "$conn_name" ipv4.dns "$dns"
# 重启连接
nmcli con down "$conn_name" 2>/dev/null || true
nmcli con up "$conn_name"
success "NetworkManager 静态 IP 配置完成"
}
# 使用 netplan 配置静态IP
configure_static_ip_netplan() {
local iface=$1
local ip=$2
local mask=$3
local gw=$4
local dns=$5
info "检测到 netplan，创建静态 IP 配置..."
# 备份现有配置
for f in /etc/netplan/*.yaml; do
if [ -f "$f" ]; then
cp "$f" "$f.bak"
info "已备份: $f -> $f.bak"
fi
done
# 转换DNS格式
local dns_list=""
for d in $dns; do
dns_list="$dns_list, $d"
done
dns_list=$(echo "$dns_list" | sed 's/^, //')
# 创建新的netplan配置
cat > /etc/netplan/01-static-ip.yaml << EOF
# 静态 IP 配置 - 由 CUPS 一键脚本生成
network:
version: 2
renderer: networkd
ethernets:
$iface:
dhcp4: no
addresses:
- $ip/$mask
routes:
- to: default
via: $gw
nameservers:
addresses: [$dns_list]
EOF
# 删除其他可能冲突的配置
for f in /etc/netplan/*.yaml; do
if [ "$f" != "/etc/netplan/01-static-ip.yaml" ] && [ -f "$f" ]; then
rm -f "$f"
info "移除冲突配置: $f"
fi
done
# 应用配置
info "应用 netplan 配置..."
netplan apply
success "Netplan 静态 IP 配置完成"
}
# 使用传统 interfaces 文件配置静态IP
configure_static_ip_interfaces() {
local iface=$1
local ip=$2
local mask=$3
local gw=$4
local dns=$5
info "使用传统 /etc/network/interfaces 配置..."
# 备份原配置
if [ -f /etc/network/interfaces ]; then
cp /etc/network/interfaces /etc/network/interfaces.bak
info "已备份: /etc/network/interfaces -> /etc/network/interfaces.bak"
fi
# 将CIDR转换为子网掩码
local netmask=""
case $mask in
8) netmask="255.0.0.0" ;;
16) netmask="255.255.0.0" ;;
24) netmask="255.255.255.0" ;;
25) netmask="255.255.255.128" ;;
26) netmask="255.255.255.192" ;;
27) netmask="255.255.255.224" ;;
28) netmask="255.255.255.240" ;;
29) netmask="255.255.255.248" ;;
30) netmask="255.255.255.252" ;;
*) netmask="255.255.255.0" ;;
esac
# 创建新配置
cat > /etc/network/interfaces << EOF
# 静态 IP 配置 - 由 CUPS 一键脚本生成
# 备份文件: /etc/network/interfaces.bak
# 本地回环接口
auto lo
iface lo inet loopback
# 主网络接口 - 静态IP
auto $iface
iface $iface inet static
address $ip
netmask $netmask
gateway $gw
dns-nameservers $dns
EOF
# 重启网络服务
info "重启网络服务..."
systemctl restart networking 2>/dev/null || /etc/init.d/networking restart 2>/dev/null || true
success "传统网络配置完成"
}
# 显示静态IP配置结果
show_static_ip_result() {
local new_ip=$(get_ip)
local new_gateway=$(get_gateway)
local new_interface=$(get_interface)
echo ""
echo -e "${GREEN}╔══════════════════════════════════════════════════════════╗${NC}"
echo -e "${GREEN}║ 静态 IP 配置完成! ║${NC}"
echo -e "${GREEN}╚══════════════════════════════════════════════════════════╝${NC}"
echo ""
echo -e " ${BLUE}网络接口:${NC} $new_interface"
echo -e " ${BLUE}静态 IP:${NC} $new_ip"
echo -e " ${BLUE}网关:${NC} $new_gateway"
echo ""
echo -e " ${YELLOW}注意:${NC} IP 地址已固定，重启后不会改变"
echo ""
}
# 显示欢迎信息
show_banner() {
clear
@@ -421,19 +669,37 @@ main() {
change_mirror=${change_mirror:-Y}
echo ""
# 询问是否配置静态IP
echo -e "${YELLOW}是否将当前 IP 配置为静态 IP？${NC}"
echo " 推荐：选择 Y，避免 IP 变化导致无法连接打印服务器"
echo " 当前 IP: ${LOCAL_IP}"
echo ""
read -p "配置静态 IP? [Y/n]: " config_static_ip < /dev/tty
config_static_ip=${config_static_ip:-Y}
echo ""
# 确认安装
echo -e "${YELLOW}即将执行以下操作:${NC}"
local step=1
if [[ "$change_mirror" =~ ^[Yy]$ ]]; then
echo " 1. 更换为国内软件源（清华大学）"
echo " 2. 更新系统软件源"
else
echo " 1. 更新系统软件源"
echo " $step. 更换为国内软件源（清华大学）"
((step++))
fi
echo " 3. 安装 CUPS 和 Avahi"
echo " 4. 安装打印机驱动"
echo " 5. 配置 CUPS 允许局域网访问"
echo " 6. 将当前用户添加到 lpadmin 组"
echo " 7. 启动并设置开机自启"
echo " $step. 更新系统软件源"
((step++))
if [[ "$config_static_ip" =~ ^[Yy]$ ]]; then
echo " $step. 配置静态 IP 地址 (${LOCAL_IP})"
((step++))
fi
echo " $step. 安装 CUPS 和 Avahi"
((step++))
echo " $step. 安装打印机驱动"
((step++))
echo " $step. 配置 CUPS 允许局域网访问"
((step++))
echo " $step. 将当前用户添加到 lpadmin 组"
((step++))
echo " $step. 启动并设置开机自启"
echo ""
read -p "是否继续? [Y/n]: " confirm < /dev/tty
confirm=${confirm:-Y}
@@ -457,7 +723,12 @@ main() {
apt update
success "软件源更新完成"
# 2. 安装 CUPS 和 Avahi
# 3. 配置静态IP（如果选择）
if [[ "$config_static_ip" =~ ^[Yy]$ ]]; then
configure_static_ip
fi
# 4. 安装 CUPS 和 Avahi
info "安装 CUPS 和 Avahi..."
apt install -y cups avahi-daemon wget unzip
success "CUPS 和 Avahi 安装完成"
@@ -515,12 +786,19 @@ main() {
systemctl enable avahi-daemon
success "Avahi 服务已启动并设置开机自启"
# 更新IP地址（如果配置了静态IP）
LOCAL_IP=$(get_ip)
# 完成提示
echo ""
echo -e "${GREEN}╔══════════════════════════════════════════════════════════╗${NC}"
echo -e "${GREEN}║ 安装完成! ║${NC}"
echo -e "${GREEN}╚══════════════════════════════════════════════════════════╝${NC}"
echo ""
if [[ "$config_static_ip" =~ ^[Yy]$ ]]; then
echo -e " ${GREEN}[静态IP]${NC} 已配置，IP 地址固定为: ${LOCAL_IP}"
echo ""
fi
echo -e " ${BLUE}CUPS 管理界面:${NC} https://${LOCAL_IP}:631"
echo -e " ${BLUE}用户名:${NC} root"
echo -e " ${BLUE}密码:${NC} 你的 SSH 密码"