首次提交/仓库初始化
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main.sh
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main.sh
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#!/bin/bash
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# ============================================
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# Easytier 一键部署/卸载脚本（服务端 / 客户端）
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# 功能：自动下载、解压、配置 systemd 服务并启动 Easytier VPN
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# 适用系统：Debian/Ubuntu/CentOS/RHEL
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# 支持架构：x86_64 / arm64 (aarch64)
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# ============================================
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set -euo pipefail
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# ============================================
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# 颜色输出函数
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# ============================================
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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NC='\033[0m'
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log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
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log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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log_error() { echo -e "${RED}[ERROR]${NC} $1" >&2; exit 1; }
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# ============================================
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# 用户配置变量（按需修改）
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# ============================================
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# VPN 网络密钥（所有节点必须一致）
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SECRET='<secret_test>'
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# VPN 网络名称（所有节点必须一致）
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NETWORK_NAME="<test-network>"
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# Easytier 安装目录
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EASYTIER_DIR="/opt/easytier"
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# 版本号
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VERSION="v2.6.4"
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# 下载地址（GitHub 加速镜像）
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# 自动检测系统架构
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ARCH=$(uname -m)
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case "$ARCH" in
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x86_64) ARCH_NAME="x86_64" ;;
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aarch64) ARCH_NAME="aarch64" ;;
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armv7*) ARCH_NAME="armv7" ;;
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*) log_error "不支持的架构: $ARCH（仅支持 x86_64/arm64/armv7）" ;;
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esac
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DOWNLOAD_URL="https://ghfast.top/https://github.com/EasyTier/EasyTier/releases/download/${VERSION}/easytier-linux-${ARCH_NAME}-${VERSION}.zip"
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# 下载后的 ZIP 文件名
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ZIP_FILE="easytier-linux-${ARCH_NAME}-${VERSION}.zip"
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# 解压后的子目录名
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EXTRACT_DIR="easytier-linux-${ARCH_NAME}"
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# ============================================
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# 卸载函数
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# ============================================
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uninstall_easytier() {
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echo ""
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echo -e "${RED}==========================================${NC}"
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echo -e "${RED} Easytier VPN 卸载确认${NC}"
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echo -e "${RED}==========================================${NC}"
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echo ""
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echo " 将执行以下操作："
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echo " 1. 停止并禁用 easytier 服务"
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echo " 2. 删除 systemd 服务文件"
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echo " 3. 删除安装目录: $EASYTIER_DIR"
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echo " 4. 删除下载的 ZIP 文件"
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echo ""
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read -p "确认卸载？此操作不可恢复 [y/N]: " CONFIRM_UNINSTALL
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if [[ ! "$CONFIRM_UNINSTALL" =~ ^[Yy]$ ]]; then
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log_info "已取消卸载"
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exit 0
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fi
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log_info "停止 easytier 服务..."
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systemctl stop easytier 2>/dev/null || true
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systemctl disable easytier 2>/dev/null || true
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log_info "删除 systemd 服务文件..."
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rm -f /etc/systemd/system/easytier.service
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systemctl daemon-reload
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log_info "删除安装目录: $EASYTIER_DIR"
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rm -rf "$EASYTIER_DIR"
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log_info "清理下载的 ZIP 文件..."
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rm -f "easytier-linux-x86_64-"*.zip
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rm -f "easytier-linux-aarch64-"*.zip
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rm -f "easytier-linux-armv7-"*.zip
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echo ""
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log_info "Easytier 已完全卸载"
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echo ""
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exit 0
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}
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# ============================================
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# 1. 检查 root 权限
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# ============================================
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if [ "$EUID" -ne 0 ]; then
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log_error "请使用 root 用户执行: sudo bash $0"
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fi
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# ============================================
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# 2. 选择部署模式
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# ============================================
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clear
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echo ""
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echo -e "${CYAN}==========================================${NC}"
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echo -e "${CYAN} Easytier VPN 一键管理脚本${NC}"
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echo -e "${CYAN}==========================================${NC}"
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echo ""
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echo -e " ${GREEN}1.${NC} 部署为 ${GREEN}服务端${NC}"
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echo -e " ${YELLOW}2.${NC} 部署为 ${YELLOW}客户端${NC}"
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echo -e " ${RED}3.${NC} ${RED}卸载 Easytier${NC}"
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echo ""
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read -p "请选择 [1/2/3]: " MODE
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case "$MODE" in
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3)
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uninstall_easytier
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;;
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1)
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ROLE="server"
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# 服务端虚拟 IP
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read -p "请输入服务端虚拟 IP [10.126.5.1]: " VIRTUAL_IP
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VIRTUAL_IP="${VIRTUAL_IP:-10.126.5.1}"
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HOSTNAME=$(hostname)
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;;
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2)
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ROLE="client"
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# 客户端需要知道服务端信息
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read -p "请输入服务器公网 IP: " SERVER_PUBLIC_IP
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if [ -z "$SERVER_PUBLIC_IP" ]; then
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log_error "服务器公网 IP 不能为空"
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fi
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read -p "请输入服务端虚拟 IP [10.126.5.1]: " SERVER_VIRTUAL_IP
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SERVER_VIRTUAL_IP="${SERVER_VIRTUAL_IP:-10.126.5.1}"
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VIRTUAL_IP="dhcp"
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HOSTNAME=$(hostname)
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;;
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*)
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log_error "无效选择，请输入 1 或 2"
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;;
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esac
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# 校验虚拟 IP 格式（服务端模式）
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if [ "$ROLE" = "server" ] && [ "$VIRTUAL_IP" != "dhcp" ]; then
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if ! echo "$VIRTUAL_IP" | grep -qE '^([0-9]{1,3}\.){3}[0-9]{1,3}$'; then
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log_error "虚拟 IP 格式错误，请输入类似 10.126.5.1 的格式"
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fi
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# 校验 IP 每段数值范围 0-255
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IFS='.' read -r -a IP_PARTS <<< "$VIRTUAL_IP"
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for part in "${IP_PARTS[@]}"; do
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if [ "$part" -gt 255 ] 2>/dev/null; then
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log_error "虚拟 IP 数值超出范围（0-255）: $VIRTUAL_IP"
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fi
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done
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fi
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# 确认信息
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echo ""
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echo -e "${CYAN}==========================================${NC}"
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if [ "$ROLE" = "server" ]; then
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echo -e " 部署模式: ${GREEN}服务端${NC}"
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echo " 节点名称: $HOSTNAME"
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echo " 虚拟 IP: $VIRTUAL_IP"
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else
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echo -e " 部署模式: ${YELLOW}客户端${NC}"
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echo " 节点名称: $HOSTNAME"
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echo " 虚拟 IP: DHCP 自动分配"
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echo " 服务器 IP: $SERVER_PUBLIC_IP"
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echo " 服务端 VIP: $SERVER_VIRTUAL_IP"
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fi
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echo " 网络名称: $NETWORK_NAME"
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echo -e "${CYAN}==========================================${NC}"
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read -p "确认以上信息？[Y/n]: " CONFIRM
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CONFIRM="${CONFIRM:-Y}"
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if [[ ! "$CONFIRM" =~ ^[Yy]$ ]]; then
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exec bash "$0"
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fi
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# ============================================
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# 3. 处理 RPC 白名单（仅服务端）
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# ============================================
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if [ "$ROLE" = "server" ]; then
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NETWORK_PREFIX=$(echo "$VIRTUAL_IP" | cut -d. -f1-3)
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RPC_WHITELIST="127.0.0.1,${NETWORK_PREFIX}.0/24"
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log_info "RPC 白名单网段: ${NETWORK_PREFIX}.0/24"
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fi
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# ============================================
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# 4. Easytier 启动参数
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# ============================================
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if [ "$ROLE" = "server" ]; then
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START_ARGS=(-i "$VIRTUAL_IP"
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--network-name "$NETWORK_NAME"
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--network-secret "$SECRET"
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--hostname "$HOSTNAME"
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-l "0.0.0.0:11010"
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--enable-exit-node
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-r "0.0.0.0:15888"
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--rpc-portal-whitelist "$RPC_WHITELIST")
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else
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START_ARGS=(--network-name "$NETWORK_NAME"
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--network-secret "$SECRET"
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--hostname "$HOSTNAME"
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-p "tcp://$SERVER_PUBLIC_IP:11010"
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--exit-nodes "$SERVER_VIRTUAL_IP")
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fi
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# ============================================
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# 5. 安装必要工具（wget、unzip）
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# ============================================
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log_info "检查并安装必要工具..."
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install_pkg() {
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local pkg="$1"
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if command -v apt-get &>/dev/null; then
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apt-get update -qq && apt-get install -y -qq "$pkg"
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elif command -v yum &>/dev/null; then
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yum install -y "$pkg"
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elif command -v dnf &>/dev/null; then
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dnf install -y "$pkg"
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else
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log_error "无法识别包管理器，请手动安装: $pkg"
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fi
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}
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command -v wget &>/dev/null || { log_info "正在安装 wget..."; install_pkg wget; }
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command -v unzip &>/dev/null || { log_info "正在安装 unzip..."; install_pkg unzip; }
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# ============================================
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# 6. 下载 Easytier 安装包
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# ============================================
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if [ ! -f "$ZIP_FILE" ]; then
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log_info "正在下载 Easytier ${VERSION}（架构: ${ARCH}）..."
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if command -v wget &>/dev/null; then
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wget -q --show-progress -O "$ZIP_FILE" "$DOWNLOAD_URL"
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else
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curl -fSL -o "$ZIP_FILE" "$DOWNLOAD_URL"
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fi
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log_info "下载完成"
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else
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log_warn "$ZIP_FILE 已存在，跳过下载"
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fi
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# ============================================
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# 7. 解压到安装目录
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# ============================================
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log_info "正在解压 $ZIP_FILE 到 $EASYTIER_DIR..."
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# 防止空变量导致危险删除
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[ -z "$EASYTIER_DIR" ] && log_error "安装目录变量为空"
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rm -rf "$EASYTIER_DIR"
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mkdir -p "$EASYTIER_DIR"
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unzip -q -o "$ZIP_FILE" -d "$EASYTIER_DIR"
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if [ -d "$EASYTIER_DIR/$EXTRACT_DIR" ]; then
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log_info "正在调整目录结构..."
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mv "$EASYTIER_DIR/$EXTRACT_DIR"/* "$EASYTIER_DIR/"
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rmdir "$EASYTIER_DIR/$EXTRACT_DIR"
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fi
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chmod +x "$EASYTIER_DIR"/easytier-*
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# ============================================
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# 8. 创建 systemd 服务
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# ============================================
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log_info "创建 systemd 服务..."
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if [ "$ROLE" = "server" ]; then
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SERVICE_DESC="Easytier VPN Server"
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else
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SERVICE_DESC="Easytier VPN Client"
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fi
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cat > /etc/systemd/system/easytier.service << EOF
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[Unit]
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Description=$SERVICE_DESC
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=simple
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WorkingDirectory=$EASYTIER_DIR
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ExecStart=$EASYTIER_DIR/easytier-core ${START_ARGS[*]}
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ExecStop=/bin/kill -SIGTERM \$MAINPID
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Restart=on-failure
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RestartSec=10
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StandardOutput=journal
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StandardError=journal
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[Install]
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WantedBy=multi-user.target
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EOF
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# ============================================
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# 9. 启用并启动服务
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# ============================================
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log_info "启动 Easytier 服务..."
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systemctl daemon-reload
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systemctl enable easytier
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# 先停止可能残留的旧进程，再启动
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systemctl stop easytier 2>/dev/null || true
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systemctl start easytier
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# ============================================
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# 10. 检查服务状态并输出结果
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# ============================================
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sleep 2
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if systemctl is-active --quiet easytier; then
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if [ "$ROLE" = "server" ]; then
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log_info "✅ Easytier 服务端已成功启动！"
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else
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log_info "✅ Easytier 客户端已成功启动！"
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fi
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echo ""
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echo -e "${CYAN}==========================================${NC}"
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echo " 服务信息"
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echo -e "${CYAN}==========================================${NC}"
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echo " 安装目录: $EASYTIER_DIR"
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if [ "$ROLE" = "server" ]; then
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echo " 虚拟 IP: $VIRTUAL_IP"
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echo " 端口: 11010 (TCP/UDP), 15888 (RPC)"
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else
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echo " 虚拟 IP: DHCP 自动分配"
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echo " 服务器: $SERVER_PUBLIC_IP:11010"
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echo " 出口节点: $SERVER_VIRTUAL_IP"
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fi
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echo " 网络名: $NETWORK_NAME"
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echo " 节点名: $HOSTNAME"
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echo -e "${CYAN}==========================================${NC}"
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echo ""
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echo "========== 常用命令 =========="
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echo " 查看日志: journalctl -u easytier -f"
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echo " 重启服务: systemctl restart easytier"
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echo " 停止服务: systemctl stop easytier"
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echo " 查看状态: systemctl status easytier"
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echo "=============================="
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echo ""
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else
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log_error "服务启动失败，请查看日志: journalctl -u easytier -n 50 --no-pager"
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fi
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