865 lines
27 KiB
Bash
865 lines
27 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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# ============================================
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# Xray VPS 一键部署脚本
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# 支持模式：reality (VLESS-Reality) / fast (VLESS TCP 无 TLS)
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# 适用于 Debian 11+ / Ubuntu 20.04+
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# ============================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SCRIPT_DIR"
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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() { echo -e "${GREEN}[INFO]${NC} $*"; }
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warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
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error() { echo -e "${RED}[ERROR]${NC} $*" >&2; }
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step() { echo -e "\n${CYAN}========== $* ==========${NC}"; }
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# ===== 使用说明 =====
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usage() {
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echo "用法: bash deploy.sh [选项]"
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echo ""
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echo "选项:"
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echo " --mode reality VLESS-Reality 模式（默认，推荐，抗封锁）"
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echo " --mode fast VLESS TCP 模式（无 TLS，极速但易被检测）"
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echo " --show 只读取 .env 打印连接信息和分享链接，不改动任何服务"
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echo " --redetect 强制重新挑选 Reality 伪装目标（会改变 SNI，"
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echo " 所有客户端链接都必须同步更新）"
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echo " -h, --help 显示帮助"
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exit 0
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}
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# ===== 解析参数 =====
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MODE=""
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MODE_EXPLICIT=0
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SHOW_ONLY=0
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REDETECT=0
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while [[ $# -gt 0 ]]; do
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case $1 in
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--mode) MODE="${2:-}"; MODE_EXPLICIT=1; shift 2 ;;
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--show) SHOW_ONLY=1; shift ;;
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--redetect) REDETECT=1; shift ;;
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-h|--help) usage ;;
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*) error "未知参数: $1"; usage ;;
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esac
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done
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# ===== 检查 root =====
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# .env 权限为 600，读取它同样需要 root
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if [ "$(id -u)" -ne 0 ]; then
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error "请使用 root 用户运行: sudo bash deploy.sh"
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exit 1
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fi
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# ===== 加载现有配置（如存在）=====
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if [ -f .env ]; then
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sed -i 's/\r$//' .env
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set -a; source .env; set +a
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fi
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# 未显式指定 --mode 时沿用 .env 里记录的模式，
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# 避免在 fast 模式的机器上重跑脚本被静默切换成 reality
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if [ "$MODE_EXPLICIT" -eq 0 ]; then
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MODE="${XRAY_MODE:-reality}"
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fi
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if [[ "$MODE" != "reality" && "$MODE" != "fast" ]]; then
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error "无效模式: $MODE（支持 reality / fast）"
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exit 1
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fi
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# 布尔开关归一化：容忍 true/TRUE/True/yes/on/1 等写法，
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# 避免用户按直觉写了 TRUE 却被静默当成关闭
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case "$(printf '%s' "${XRAY_DAILY_RESTART:-false}" | tr '[:upper:]' '[:lower:]')" in
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true|yes|on|1) DAILY_RESTART=1 ;;
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*) DAILY_RESTART=0 ;;
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esac
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XRAY_PORT="${XRAY_PORT:-443}"
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# ===== 0. 检查并安装依赖 =====
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# 精简版系统镜像（如部分 VPS 商的 Debian/Ubuntu minimal）常缺 curl / unzip
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ensure_deps() {
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step "1/8 检查依赖"
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local missing=()
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local cmd
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for cmd in curl unzip openssl; do
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command -v "$cmd" &>/dev/null || missing+=("$cmd")
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done
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if [ ! -f /etc/ssl/certs/ca-certificates.crt ]; then
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missing+=("ca-certificates")
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fi
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if [ "${#missing[@]}" -eq 0 ]; then
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log "依赖齐全: curl unzip openssl ca-certificates"
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return
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fi
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warn "缺少依赖: ${missing[*]}，正在自动安装..."
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if command -v apt-get &>/dev/null; then
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -qq
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apt-get install -y -qq "${missing[@]}"
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elif command -v dnf &>/dev/null; then
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dnf install -y "${missing[@]}"
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elif command -v yum &>/dev/null; then
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yum install -y "${missing[@]}"
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elif command -v apk &>/dev/null; then
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apk add --no-cache "${missing[@]}"
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else
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error "未识别的包管理器，请手动安装: ${missing[*]}"
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exit 1
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fi
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for cmd in curl unzip openssl; do
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if ! command -v "$cmd" &>/dev/null; then
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error "依赖安装失败: ${cmd}，请手动安装后重试"
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exit 1
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fi
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done
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log "依赖安装完成"
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}
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# ===== 1. 安装 Xray =====
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install_xray() {
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step "2/8 安装 Xray"
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if [ -x /usr/local/bin/xray ]; then
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log "Xray 已安装: $(/usr/local/bin/xray version | head -1)"
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log "将更新到最新版本..."
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fi
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# 不用 bash <(curl ...)：curl 失败时进程替换只产生空脚本，
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# 外层 bash 仍返回 0，会掩盖下载失败
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local installer
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installer="$(mktemp)"
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local url ok=0
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for url in \
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"https://raw.githubusercontent.com/XTLS/Xray-install/main/install-release.sh" \
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"https://github.com/XTLS/Xray-install/raw/main/install-release.sh"
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do
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if curl -fsSL --max-time 60 "$url" -o "$installer" && [ -s "$installer" ]; then
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ok=1
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break
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fi
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warn "下载失败，尝试备用地址: $url"
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done
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if [ "$ok" -ne 1 ]; then
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rm -f "$installer"
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error "无法下载 Xray 安装脚本，请检查服务器网络 / DNS"
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exit 1
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fi
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bash "$installer"
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rm -f "$installer"
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if [ ! -x /usr/local/bin/xray ]; then
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error "Xray 安装失败：/usr/local/bin/xray 不存在"
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exit 1
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fi
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log "Xray 安装完成: $(/usr/local/bin/xray version | head -1)"
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}
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# ===== 2. 生成密钥 =====
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# ===== 凭据回收 =====
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# 部署目录被删除、或 .env 丢失后重跑脚本，若直接生成新密钥，
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# 所有客户端的旧链接会立刻失效——而失效表现与「握手被中间人干扰」
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# 完全相同（REALITY: received real certificate），极难排查。
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# 因此只要 config.json 还在，就以它为准恢复凭据。
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recover_credentials() {
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[ -f "$XRAY_CONFIG" ] || return 0
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[ -n "${XRAY_UUID:-}" ] && return 0 # .env 已提供，无需回收
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local flat uuid priv sid sni dest port
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flat=$(tr -d '\n\r\t ' < "$XRAY_CONFIG")
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uuid=$(echo "$flat" | grep -oP '"id":"\K[^"]+' | head -1 || true)
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[ -z "$uuid" ] && return 0 # 多半是官方安装脚本留下的空壳配置
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priv=$(echo "$flat" | grep -oP '"privateKey":"\K[^"]+' | head -1 || true)
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sid=$(echo "$flat" | grep -oP '"shortIds":\["\K[^"]+' | head -1 || true)
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sni=$(echo "$flat" | grep -oP '"serverNames":\["\K[^"]+' | head -1 || true)
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dest=$(echo "$flat" | grep -oP '"dest":"\K[^"]+' | head -1 || true)
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port=$(echo "$flat" | grep -oP '"port":\K[0-9]+' | head -1 || true)
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warn ".env 缺失，正在从现有的 ${XRAY_CONFIG} 恢复凭据"
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warn "（这样客户端已有的分享链接依然可用，不会因重装而失效）"
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XRAY_UUID="$uuid"
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[ -n "$port" ] && XRAY_PORT="$port"
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if [ -n "$priv" ]; then
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XRAY_PRIVATE_KEY="$priv"
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XRAY_PUBLIC_KEY=$(/usr/local/bin/xray x25519 -i "$priv" 2>/dev/null \
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| grep -iE 'public|password' | awk -F': ' '{print $2}' | tr -d '[:space:]' || true)
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[ -n "$sid" ] && XRAY_SHORT_ID="$sid"
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[ -n "$sni" ] && REALITY_SNI="$sni"
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[ -n "$dest" ] && REALITY_DEST="${dest%%:*}"
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fi
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log "已恢复 UUID: ${XRAY_UUID}"
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}
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generate_keys() {
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step "3/8 生成密钥"
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recover_credentials
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XRAY_UUID="${XRAY_UUID:-$(cat /proc/sys/kernel/random/uuid)}"
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log "UUID: ${XRAY_UUID}"
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if [ "$MODE" = "reality" ]; then
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if [ -z "${XRAY_PRIVATE_KEY:-}" ] || [ -z "${XRAY_PUBLIC_KEY:-}" ]; then
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local keys
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keys=$(/usr/local/bin/xray x25519 2>&1)
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XRAY_PRIVATE_KEY=$(echo "$keys" | grep -i 'private' | awk -F': ' '{print $2}' | tr -d '[:space:]')
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XRAY_PUBLIC_KEY=$(echo "$keys" | grep -i 'public' | awk -F': ' '{print $2}' | tr -d '[:space:]')
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fi
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XRAY_SHORT_ID="${XRAY_SHORT_ID:-$(openssl rand -hex 8)}"
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if [ -z "$XRAY_PRIVATE_KEY" ] || [ -z "$XRAY_PUBLIC_KEY" ]; then
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error "密钥生成失败！xray x25519 输出:"
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echo "$keys"
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exit 1
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fi
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log "x25519 密钥对已生成或已加载"
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log "ShortId: ${XRAY_SHORT_ID}"
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fi
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}
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# ===== 3. 选择 Reality 伪装目标 =====
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select_reality_dest() {
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if [ "$MODE" != "reality" ]; then
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return
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fi
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step "4/8 选择 Reality 伪装目标"
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local candidates=("www.microsoft.com" "dl.google.com" "www.apple.com" "www.amazon.com")
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REALITY_DEST="${REALITY_DEST:-}"
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REALITY_SNI="${REALITY_SNI:-}"
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if [ -n "$REALITY_DEST" ] && [ -n "$REALITY_SNI" ] && [ "$REDETECT" -eq 0 ]; then
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log "使用 .env 中已固定的伪装目标: ${REALITY_DEST}"
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# 固定下来的伪装站可能哪天失效。这里只做可用性检查并告警，
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# 绝不自动更换——更换会改变 SNI，导致所有客户端链接静默失效。
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local ms
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ms=$(curl -so /dev/null -w '%{time_connect}' --max-time 5 "https://${REALITY_DEST}" 2>/dev/null \
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| awk '{printf "%d", $1*1000}') || true
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if [ -z "$ms" ] || ! [[ "$ms" =~ ^[0-9]+$ ]] || [ "$ms" -le 0 ]; then
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warn "伪装目标 ${REALITY_DEST} 当前不可达！Reality 回落会失败，客户端可能连不上"
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warn "如需更换，执行: bash deploy.sh --redetect"
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warn "注意：更换会改变 SNI，届时所有客户端链接都必须同步更新"
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else
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log "伪装目标连通性正常 (${ms}ms)"
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fi
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return
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fi
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if [ "$REDETECT" -eq 1 ] && [ -n "$REALITY_DEST" ]; then
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warn "--redetect：将重新挑选伪装目标，原目标为 ${REALITY_DEST}"
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fi
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local best_dest=""
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local best_ms=9999
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for site in "${candidates[@]}"; do
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local ms
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# curl 失败时 %{time_connect} 会输出 0.000000，必须要求 ms > 0，
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# 否则连不通的站点会被当成「延迟最低」选中
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ms=$(curl -so /dev/null -w '%{time_connect}' --max-time 3 "https://${site}" 2>/dev/null \
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| awk '{printf "%d", $1*1000}') || true
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if [ -z "$ms" ] || ! [[ "$ms" =~ ^[0-9]+$ ]] || [ "$ms" -le 0 ]; then
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warn " ${site} 不可达，跳过"
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continue
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fi
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log " ${site} → ${ms}ms"
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if [ "$ms" -lt "$best_ms" ]; then
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best_ms=$ms
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best_dest=$site
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fi
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done
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if [ -z "$best_dest" ]; then
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error "所有候选伪装目标都无法连接，请检查服务器网络 / DNS"
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error "候选列表: ${candidates[*]}"
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exit 1
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fi
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local old_dest="$REALITY_DEST"
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REALITY_DEST="$best_dest"
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REALITY_SNI="$best_dest"
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log "伪装目标: ${REALITY_DEST} (延迟 ${best_ms}ms)"
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if [ -n "$old_dest" ] && [ "$old_dest" != "$best_dest" ]; then
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echo ""
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warn "════════════════════════════════════════════════════════"
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warn "伪装目标已从 ${old_dest} 更换为 ${best_dest}"
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warn "SNI 随之改变，所有客户端的旧链接将立即失效！"
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warn "部署完成后请用新的分享链接重新配置全部客户端。"
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warn "════════════════════════════════════════════════════════"
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echo ""
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fi
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}
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# ===== 4. 写入 Xray 配置 =====
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XRAY_CONFIG="/usr/local/etc/xray/config.json"
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# 对外 IP：.env 指定优先，否则探测出口 IP
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SERVER_IP_EFFECTIVE=""
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resolve_server_ip() {
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if [ -n "${SERVER_IP:-}" ]; then
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SERVER_IP_EFFECTIVE="$SERVER_IP"
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return
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fi
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SERVER_IP_EFFECTIVE=$(curl -s --max-time 5 ipv4.ip.sb 2>/dev/null \
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|| curl -s --max-time 5 ifconfig.me 2>/dev/null || true)
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}
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# 阻断规则：
|
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# 1) 本机公网 IP 的「代理端口」—— 客户端若因路由回环把「连接本代理」这件事
|
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# 也丢进隧道，服务器就成了自我中继与流量放大器。只掐这一个端口，
|
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# 不影响经隧道 SSH 回本机等正常用法（那是很常见的运维操作）。
|
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# 2) geoip:private —— 私网与回环。代理用户没有任何理由经本机访问服务器内网，
|
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# 放开等于把内网暴露给所有客户端。
|
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build_block_rules() {
|
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SELF_LOOP_RULE=""
|
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if [[ "$SERVER_IP_EFFECTIVE" =~ ^[0-9]{1,3}(\.[0-9]{1,3}){3}$ ]]; then
|
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SELF_LOOP_RULE=$(cat <<EOF
|
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{
|
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"type": "field",
|
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"outboundTag": "block",
|
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"ip": ["${SERVER_IP_EFFECTIVE}/32"],
|
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"port": "${XRAY_PORT}"
|
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},
|
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EOF
|
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)
|
||
fi
|
||
}
|
||
|
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write_config() {
|
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resolve_server_ip
|
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build_block_rules
|
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mkdir -p "$(dirname "$XRAY_CONFIG")"
|
||
|
||
# 先写临时文件并校验，通过后再原子替换正式配置，
|
||
# 保证校验失败时磁盘上的配置和正在运行的服务都不受影响
|
||
# xray 靠文件扩展名判断配置格式，临时文件必须叫 *.json，
|
||
# 否则会报 "Failed to get format"。所以用临时目录而非 mktemp 裸文件。
|
||
local tmpdir tmp
|
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tmpdir="$(mktemp -d)"
|
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tmp="${tmpdir}/config.json"
|
||
|
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if [ "$MODE" = "reality" ]; then
|
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write_config_reality "$tmp"
|
||
else
|
||
write_config_fast "$tmp"
|
||
fi
|
||
|
||
if ! /usr/local/bin/xray run -test -config "$tmp" >/dev/null 2>&1; then
|
||
error "配置校验失败，磁盘配置与运行中的服务均未改动。详细输出:"
|
||
/usr/local/bin/xray run -test -config "$tmp" || true
|
||
rm -rf "$tmpdir"
|
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exit 1
|
||
fi
|
||
log "配置语法校验通过"
|
||
|
||
# 覆盖前备份旧配置，重跑脚本不至于丢掉手工改动（例如新增的 clients）
|
||
if [ -f "$XRAY_CONFIG" ]; then
|
||
local backup="${XRAY_CONFIG}.bak.$(date '+%Y%m%d%H%M%S')"
|
||
cp "$XRAY_CONFIG" "$backup"
|
||
log "旧配置已备份: ${backup}"
|
||
# 只保留最近 5 份，避免反复部署后无限堆积
|
||
ls -1t "${XRAY_CONFIG}".bak.* 2>/dev/null | tail -n +6 | xargs -r rm -f
|
||
fi
|
||
|
||
mv "$tmp" "$XRAY_CONFIG"
|
||
rm -rf "$tmpdir"
|
||
# xray 服务以 nobody 运行，配置必须对其可读
|
||
chmod 644 "$XRAY_CONFIG"
|
||
log "配置已写入: ${XRAY_CONFIG}"
|
||
}
|
||
|
||
write_config_reality() {
|
||
step "5/8 写入 Xray 配置 (Reality)"
|
||
local out="$1"
|
||
|
||
cat > "$out" << EOF
|
||
{
|
||
"log": {
|
||
"loglevel": "warning"
|
||
},
|
||
"inbounds": [
|
||
{
|
||
"listen": "0.0.0.0",
|
||
"port": ${XRAY_PORT},
|
||
"protocol": "vless",
|
||
"settings": {
|
||
"clients": [
|
||
{
|
||
"id": "${XRAY_UUID}",
|
||
"flow": "xtls-rprx-vision"
|
||
}
|
||
],
|
||
"decryption": "none"
|
||
},
|
||
"streamSettings": {
|
||
"network": "tcp",
|
||
"security": "reality",
|
||
"realitySettings": {
|
||
"show": false,
|
||
"dest": "${REALITY_DEST}:443",
|
||
"xver": 0,
|
||
"serverNames": [
|
||
"${REALITY_SNI}"
|
||
],
|
||
"privateKey": "${XRAY_PRIVATE_KEY}",
|
||
"shortIds": [
|
||
"${XRAY_SHORT_ID}"
|
||
]
|
||
}
|
||
},
|
||
"sniffing": {
|
||
"enabled": true,
|
||
"destOverride": ["http", "tls", "quic"],
|
||
"routeOnly": true
|
||
}
|
||
}
|
||
],
|
||
"outbounds": [
|
||
{
|
||
"protocol": "freedom",
|
||
"tag": "direct"
|
||
},
|
||
{
|
||
"protocol": "blackhole",
|
||
"tag": "block"
|
||
}
|
||
],
|
||
"routing": {
|
||
"rules": [
|
||
${SELF_LOOP_RULE}
|
||
{
|
||
"type": "field",
|
||
"outboundTag": "block",
|
||
"ip": ["geoip:private"]
|
||
},
|
||
{
|
||
"type": "field",
|
||
"outboundTag": "block",
|
||
"protocol": ["bittorrent"]
|
||
}
|
||
]
|
||
}
|
||
}
|
||
EOF
|
||
}
|
||
|
||
write_config_fast() {
|
||
step "5/8 写入 Xray 配置 (Fast TCP)"
|
||
local out="$1"
|
||
|
||
cat > "$out" << EOF
|
||
{
|
||
"log": {
|
||
"loglevel": "warning"
|
||
},
|
||
"inbounds": [
|
||
{
|
||
"listen": "0.0.0.0",
|
||
"port": ${XRAY_PORT},
|
||
"protocol": "vless",
|
||
"settings": {
|
||
"clients": [
|
||
{
|
||
"id": "${XRAY_UUID}"
|
||
}
|
||
],
|
||
"decryption": "none"
|
||
},
|
||
"streamSettings": {
|
||
"network": "tcp",
|
||
"security": "none"
|
||
},
|
||
"sniffing": {
|
||
"enabled": true,
|
||
"destOverride": ["http", "tls", "quic"],
|
||
"routeOnly": true
|
||
}
|
||
}
|
||
],
|
||
"outbounds": [
|
||
{
|
||
"protocol": "freedom",
|
||
"tag": "direct"
|
||
},
|
||
{
|
||
"protocol": "blackhole",
|
||
"tag": "block"
|
||
}
|
||
],
|
||
"routing": {
|
||
"rules": [
|
||
${SELF_LOOP_RULE}
|
||
{
|
||
"type": "field",
|
||
"outboundTag": "block",
|
||
"ip": ["geoip:private"]
|
||
},
|
||
{
|
||
"type": "field",
|
||
"outboundTag": "block",
|
||
"protocol": ["bittorrent"]
|
||
}
|
||
]
|
||
}
|
||
}
|
||
EOF
|
||
}
|
||
|
||
# ===== 检测当前生效的 SSH 端口 =====
|
||
# 防火墙一旦 enable，若没放行真实的 SSH 端口就会把自己锁在门外
|
||
detect_ssh_ports() {
|
||
local ports=""
|
||
if command -v sshd &>/dev/null; then
|
||
ports=$(sshd -T 2>/dev/null | awk '/^port /{print $2}' || true)
|
||
fi
|
||
if [ -z "$ports" ]; then
|
||
ports=$(ss -tlnH 2>/dev/null | awk '{print $4}' | sed 's/.*://' | sort -u | grep -x 22 || true)
|
||
fi
|
||
if [ -z "$ports" ]; then
|
||
ports=$(awk '/^[[:space:]]*Port[[:space:]]+[0-9]+/{print $2}' /etc/ssh/sshd_config 2>/dev/null || true)
|
||
fi
|
||
# 兜底：至少放行 22，避免完全无法登录
|
||
[ -z "$ports" ] && ports="22"
|
||
echo "$ports"
|
||
}
|
||
|
||
# ===== 5. 防火墙 =====
|
||
configure_firewall() {
|
||
step "6/8 配置防火墙"
|
||
|
||
local ssh_ports
|
||
ssh_ports=$(detect_ssh_ports)
|
||
log "检测到 SSH 端口: $(echo "$ssh_ports" | tr '\n' ' ')"
|
||
|
||
if command -v ufw &>/dev/null; then
|
||
ufw allow "${XRAY_PORT}/tcp"
|
||
local p
|
||
for p in $ssh_ports; do
|
||
ufw allow "${p}/tcp"
|
||
done
|
||
ufw --force enable
|
||
log "ufw 已放行端口 ${XRAY_PORT}/tcp 及 SSH 端口"
|
||
elif command -v firewall-cmd &>/dev/null; then
|
||
firewall-cmd --permanent --add-port="${XRAY_PORT}/tcp"
|
||
local p
|
||
for p in $ssh_ports; do
|
||
firewall-cmd --permanent --add-port="${p}/tcp"
|
||
done
|
||
firewall-cmd --reload
|
||
log "firewalld 已放行端口 ${XRAY_PORT}/tcp 及 SSH 端口"
|
||
else
|
||
warn "未检测到防火墙工具，请手动放行端口 ${XRAY_PORT}/tcp"
|
||
fi
|
||
}
|
||
|
||
# ===== 6. BBR + 网络调优 =====
|
||
tune_network() {
|
||
step "7/8 BBR + 网络调优"
|
||
|
||
cat > /etc/sysctl.d/99-xray-turbo.conf << 'SYSEOF'
|
||
# BBR 拥塞控制
|
||
net.core.default_qdisc=fq
|
||
net.ipv4.tcp_congestion_control=bbr
|
||
|
||
# TCP 缓冲区（提升大文件 / 视频流吞吐量）
|
||
net.core.rmem_max=16777216
|
||
net.core.wmem_max=16777216
|
||
net.ipv4.tcp_rmem=4096 87380 16777216
|
||
net.ipv4.tcp_wmem=4096 65536 16777216
|
||
|
||
# 连接优化
|
||
net.ipv4.tcp_fastopen=3
|
||
net.ipv4.tcp_slow_start_after_idle=0
|
||
net.ipv4.tcp_mtu_probing=1
|
||
net.ipv4.tcp_fin_timeout=15
|
||
net.ipv4.tcp_keepalive_time=300
|
||
net.ipv4.tcp_keepalive_intvl=30
|
||
net.ipv4.tcp_keepalive_probes=5
|
||
net.ipv4.tcp_max_tw_buckets=262144
|
||
net.ipv4.tcp_max_syn_backlog=8192
|
||
net.core.somaxconn=8192
|
||
net.core.netdev_max_backlog=8192
|
||
SYSEOF
|
||
|
||
sysctl --system > /dev/null 2>&1
|
||
log "BBR 已启用，网络参数已优化"
|
||
}
|
||
|
||
# ===== 新增：系统与服务加固 =====
|
||
harden_system() {
|
||
step "8/8 加固系统与服务"
|
||
|
||
# 文件描述符上限
|
||
if ! grep -q '99-xray-nofile' /etc/security/limits.conf 2>/dev/null; then
|
||
cat >> /etc/security/limits.conf << 'EOF'
|
||
# 99-xray-nofile
|
||
* soft nofile 1000000
|
||
* hard nofile 1000000
|
||
root soft nofile 1000000
|
||
root hard nofile 1000000
|
||
EOF
|
||
fi
|
||
|
||
# systemd 服务加固
|
||
mkdir -p /etc/systemd/system/xray.service.d
|
||
cat > /etc/systemd/system/xray.service.d/override.conf << 'EOF'
|
||
[Service]
|
||
LimitNOFILE=1000000
|
||
Restart=always
|
||
RestartSec=3
|
||
EOF
|
||
|
||
# ===== 每日重启 timer：默认关闭 =====
|
||
# 崩溃恢复已由上面的 Restart=always + RestartSec=3 覆盖（秒级响应），
|
||
# 而每日硬重启会切断全部活动连接（跨夜下载、备份、CI 都会中断），
|
||
# 属于为假想问题付出真实代价。仅在确实观察到长期运行后性能退化时才开启。
|
||
if [ "$DAILY_RESTART" -ne 1 ]; then
|
||
if [ -f /etc/systemd/system/xray-restart.timer ]; then
|
||
systemctl disable --now xray-restart.timer 2>/dev/null || true
|
||
rm -f /etc/systemd/system/xray-restart.timer \
|
||
/etc/systemd/system/xray-restart.service
|
||
warn "已移除旧部署遗留的每日重启 timer"
|
||
warn "如需保留，请在 .env 中设置 XRAY_DAILY_RESTART=true 后重新部署"
|
||
fi
|
||
log "每日自动重启: 关闭（崩溃由 Restart=always 秒级恢复）"
|
||
return
|
||
fi
|
||
|
||
# 定时重启 timer（每日凌晨 4 点）
|
||
cat > /etc/systemd/system/xray-restart.service << 'EOF'
|
||
[Unit]
|
||
Description=Daily restart of Xray
|
||
After=network.target
|
||
|
||
[Service]
|
||
Type=oneshot
|
||
ExecStart=/bin/systemctl restart xray
|
||
EOF
|
||
|
||
cat > /etc/systemd/system/xray-restart.timer << 'EOF'
|
||
[Unit]
|
||
Description=Daily restart Xray at 04:00 CST
|
||
|
||
[Timer]
|
||
OnCalendar=*-*-* 04:00:00
|
||
TimeZone=Asia/Shanghai
|
||
Persistent=true
|
||
|
||
[Install]
|
||
WantedBy=timers.target
|
||
EOF
|
||
warn "每日自动重启: 已启用（04:00 Asia/Shanghai）"
|
||
warn "该操作会切断所有活动连接，如无必要建议设 XRAY_DAILY_RESTART=false"
|
||
}
|
||
|
||
# ===== 7. 启动服务 =====
|
||
start_service() {
|
||
systemctl daemon-reload
|
||
systemctl restart xray
|
||
systemctl enable xray
|
||
if [ "$DAILY_RESTART" -eq 1 ]; then
|
||
systemctl enable --now xray-restart.timer
|
||
fi
|
||
|
||
sleep 2
|
||
if systemctl is-active --quiet xray; then
|
||
log "Xray 服务已启动 ✅"
|
||
else
|
||
error "Xray 启动失败，请检查: journalctl -u xray -f"
|
||
exit 1
|
||
fi
|
||
}
|
||
|
||
# ===== 8. 保存配置到 .env =====
|
||
save_env() {
|
||
cat > "$SCRIPT_DIR/.env" << EOF
|
||
# Xray 部署配置（由 deploy.sh 自动生成）
|
||
# 生成时间: $(date '+%Y-%m-%d %H:%M:%S')
|
||
|
||
XRAY_MODE=${MODE}
|
||
XRAY_PORT=${XRAY_PORT}
|
||
XRAY_UUID=${XRAY_UUID}
|
||
|
||
# 分享链接中使用的 IP。留空则自动探测出口 IP；
|
||
# NAT / 端口转发的机器请填写服务商给你的实际入站 IP
|
||
SERVER_IP=${SERVER_IP:-}
|
||
|
||
# 每日 04:00 自动重启 Xray。默认 false。
|
||
# 崩溃恢复已由 systemd 的 Restart=always 覆盖（秒级），而每日硬重启会
|
||
# 切断全部活动连接。仅在确实观察到长期运行后性能退化时才改为 true。
|
||
XRAY_DAILY_RESTART=$([ "$DAILY_RESTART" -eq 1 ] && echo true || echo false)
|
||
EOF
|
||
|
||
if [ "$MODE" = "reality" ]; then
|
||
cat >> "$SCRIPT_DIR/.env" << EOF
|
||
XRAY_PRIVATE_KEY=${XRAY_PRIVATE_KEY}
|
||
XRAY_PUBLIC_KEY=${XRAY_PUBLIC_KEY}
|
||
XRAY_SHORT_ID=${XRAY_SHORT_ID}
|
||
REALITY_DEST=${REALITY_DEST}
|
||
REALITY_SNI=${REALITY_SNI}
|
||
EOF
|
||
fi
|
||
|
||
chmod 600 "$SCRIPT_DIR/.env"
|
||
log "配置已保存到 .env（权限 600）"
|
||
}
|
||
|
||
# ===== 9. 输出连接信息 =====
|
||
print_result() {
|
||
local server_ip
|
||
[ -z "$SERVER_IP_EFFECTIVE" ] && resolve_server_ip
|
||
if [ -n "${SERVER_IP:-}" ]; then
|
||
server_ip="$SERVER_IP"
|
||
log "使用 .env 中指定的 SERVER_IP: ${server_ip}"
|
||
else
|
||
server_ip="${SERVER_IP_EFFECTIVE:-获取失败}"
|
||
# 注意：这里拿到的是「出口」IP。NAT / 端口转发的机器上，
|
||
# 它与外部实际可连接的「入站」IP 可能不是同一个
|
||
local nic_ip
|
||
nic_ip=$(ip -4 -o addr show scope global 2>/dev/null | awk '{print $4}' | cut -d/ -f1 | head -1)
|
||
if [ -n "$nic_ip" ] && [ "$nic_ip" != "$server_ip" ]; then
|
||
warn "网卡地址 ${nic_ip} 与出口 IP ${server_ip} 不一致，本机可能位于 NAT / 端口转发之后"
|
||
warn "若客户端连不上，请向服务商确认实际映射的入站 IP 与端口，"
|
||
warn "然后在 .env 中设置 SERVER_IP= 和 XRAY_PORT= 后重新运行本脚本"
|
||
fi
|
||
fi
|
||
|
||
local title
|
||
if [ "${SHOW_ONLY:-0}" -eq 1 ]; then
|
||
title="连接信息"
|
||
else
|
||
title="部署完成 ✅"
|
||
fi
|
||
|
||
echo ""
|
||
echo "=========================================================="
|
||
|
||
if [ "$MODE" = "reality" ]; then
|
||
echo " Xray VLESS-Reality ${title}"
|
||
echo "=========================================================="
|
||
echo ""
|
||
echo " IP : ${server_ip}"
|
||
echo " 端口 : ${XRAY_PORT}"
|
||
echo " 协议 : VLESS"
|
||
echo " UUID : ${XRAY_UUID}"
|
||
echo " 流控 : xtls-rprx-vision"
|
||
echo " 传输 : tcp"
|
||
echo " 安全 : reality"
|
||
echo " SNI : ${REALITY_SNI}"
|
||
echo " Fingerprint : chrome"
|
||
echo " PublicKey : ${XRAY_PUBLIC_KEY}"
|
||
echo " ShortId : ${XRAY_SHORT_ID}"
|
||
echo ""
|
||
echo "=========================================================="
|
||
echo ""
|
||
echo ">>> VLESS 分享链接（可直接导入客户端）:"
|
||
echo ""
|
||
echo "vless://${XRAY_UUID}@${server_ip}:${XRAY_PORT}?encryption=none&flow=xtls-rprx-vision&security=reality&sni=${REALITY_SNI}&fp=chrome&pbk=${XRAY_PUBLIC_KEY}&sid=${XRAY_SHORT_ID}&type=tcp#vps-reality"
|
||
else
|
||
echo " Xray VLESS TCP ${title}"
|
||
echo "=========================================================="
|
||
echo ""
|
||
echo " IP : ${server_ip}"
|
||
echo " 端口 : ${XRAY_PORT}"
|
||
echo " 协议 : VLESS"
|
||
echo " UUID : ${XRAY_UUID}"
|
||
echo " 传输 : tcp"
|
||
echo " 安全 : none"
|
||
echo ""
|
||
echo "=========================================================="
|
||
echo ""
|
||
echo ">>> VLESS 分享链接（可直接导入客户端）:"
|
||
echo ""
|
||
echo "vless://${XRAY_UUID}@${server_ip}:${XRAY_PORT}?encryption=none&security=none&type=tcp&headerType=none#vps-fast"
|
||
fi
|
||
|
||
echo ""
|
||
echo "=========================================================="
|
||
echo ""
|
||
echo "⚠️ 请妥善保存以上信息！"
|
||
echo " 配置文件: /usr/local/etc/xray/config.json"
|
||
echo " 凭据备份: ${SCRIPT_DIR}/.env"
|
||
echo " 再次查看: bash deploy.sh --show"
|
||
echo " 查看日志: journalctl -u xray -f"
|
||
echo " 重启服务: systemctl restart xray"
|
||
echo "=========================================================="
|
||
}
|
||
|
||
# ===== --show：只读打印连接信息，不改动任何服务 =====
|
||
show_info() {
|
||
if [ ! -f "$SCRIPT_DIR/.env" ]; then
|
||
error "未找到 ${SCRIPT_DIR}/.env，无法读取部署信息"
|
||
echo ""
|
||
echo "若 Xray 配置仍在，可从 /usr/local/etc/xray/config.json 手工恢复："
|
||
echo " priv=\$(grep -oP '\"privateKey\"\\s*:\\s*\"\\K[^\"]+' /usr/local/etc/xray/config.json)"
|
||
echo " /usr/local/bin/xray x25519 -i \"\$priv\" # 输出的 Password (PublicKey) 即客户端 pbk"
|
||
exit 1
|
||
fi
|
||
|
||
local missing=()
|
||
[ -z "${XRAY_UUID:-}" ] && missing+=("XRAY_UUID")
|
||
if [ "$MODE" = "reality" ]; then
|
||
[ -z "${XRAY_PUBLIC_KEY:-}" ] && missing+=("XRAY_PUBLIC_KEY")
|
||
[ -z "${XRAY_SHORT_ID:-}" ] && missing+=("XRAY_SHORT_ID")
|
||
[ -z "${REALITY_SNI:-}" ] && missing+=("REALITY_SNI")
|
||
fi
|
||
if [ "${#missing[@]}" -gt 0 ]; then
|
||
error ".env 缺少必要字段: ${missing[*]}"
|
||
error "请重新运行 bash deploy.sh 完成部署"
|
||
exit 1
|
||
fi
|
||
|
||
if ! systemctl is-active --quiet xray 2>/dev/null; then
|
||
warn "Xray 服务当前未运行，以下信息来自 .env，不代表服务可用"
|
||
warn "检查: systemctl status xray"
|
||
fi
|
||
|
||
print_result
|
||
}
|
||
|
||
# ===== 主流程 =====
|
||
main() {
|
||
if [ "$SHOW_ONLY" -eq 1 ]; then
|
||
show_info
|
||
exit 0
|
||
fi
|
||
|
||
echo ""
|
||
log "部署模式: ${MODE}"
|
||
[ "$MODE" = "reality" ] && log "VLESS-Reality（推荐，抗封锁）" || log "VLESS TCP（极速，无 TLS）"
|
||
echo ""
|
||
|
||
ensure_deps
|
||
install_xray
|
||
generate_keys
|
||
select_reality_dest
|
||
write_config
|
||
configure_firewall
|
||
tune_network
|
||
harden_system
|
||
start_service
|
||
save_env
|
||
print_result
|
||
}
|
||
|
||
main
|