Beszel Agent 更新脚本
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FlintyLemming
334
beszel-agent-updator/update-beszel-agent.sh
Executable file
334
beszel-agent-updator/update-beszel-agent.sh
Executable file
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#!/bin/bash
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set -e
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# Beszel Agent 更新脚本
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# 支持 Debian/Ubuntu, Arch, RHEL/CentOS/Fedora 等 systemd 系统
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SERVICE_NAME="beszel-agent.service"
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MIRROR_BASE_URL="https://index.mitsea.com/d/Github%20Release%20Mirrors/Beszel"
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MIRROR_API_URL="https://index.mitsea.com/api/fs/list"
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# 颜色输出
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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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NC='\033[0m' # No Color
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log_info() {
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echo -e "${GREEN}[INFO]${NC} $1" >&2
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}
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log_warn() {
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echo -e "${YELLOW}[WARN]${NC} $1" >&2
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1" >&2
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}
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# 检查是否以 root 运行
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check_root() {
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if [[ $EUID -ne 0 ]]; then
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log_error "此脚本需要 root 权限运行"
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log_info "请使用 sudo $0"
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exit 1
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fi
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}
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# 检查依赖
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check_dependencies() {
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local missing_deps=()
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for cmd in curl tar systemctl; do
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if ! command -v "$cmd" &> /dev/null; then
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missing_deps+=("$cmd")
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fi
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done
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if [[ ${#missing_deps[@]} -gt 0 ]]; then
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log_error "缺少依赖: ${missing_deps[*]}"
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log_info "请先安装这些依赖"
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exit 1
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fi
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}
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# 版本号比较函数：返回 0 表示 $1 > $2，返回 1 表示 $1 <= $2
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version_gt() {
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local v1="${1#v}"
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local v2="${2#v}"
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# 使用 sort -V 进行版本号比较
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if [[ "$(printf '%s\n%s' "$v1" "$v2" | sort -V | tail -n1)" == "$v1" && "$v1" != "$v2" ]]; then
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return 0
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else
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return 1
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fi
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}
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# 从 API 获取最新版本号
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get_latest_version() {
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log_info "正在从镜像站获取最新版本信息..."
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local response
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response=$(curl -s -X POST "$MIRROR_API_URL" \
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-H 'Content-Type: application/json' \
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-d '{"path": "/Github Release Mirrors/Beszel"}')
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if [[ -z "$response" ]]; then
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log_error "无法获取版本信息"
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exit 1
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fi
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# 解析版本号列表
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local versions
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if command -v jq &> /dev/null; then
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versions=$(echo "$response" | jq -r '.data.content[].name' 2>/dev/null)
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else
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# 使用 grep 和 sed 作为备选方案
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versions=$(echo "$response" | grep -o '"name":"v[^"]*"' | sed 's/"name":"//g; s/"//g')
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fi
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if [[ -z "$versions" ]]; then
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log_error "无法解析版本列表"
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exit 1
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fi
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# 找出最新版本（按版本号排序）
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local latest_version
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latest_version=$(echo "$versions" | sort -V | tail -n1)
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if [[ -z "$latest_version" ]]; then
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log_error "无法确定最新版本"
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exit 1
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fi
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echo "$latest_version"
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}
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# 从 systemd service 文件获取二进制文件路径
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get_binary_path() {
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local service_file="/etc/systemd/system/$SERVICE_NAME"
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if [[ ! -f "$service_file" ]]; then
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log_error "找不到 service 文件: $service_file"
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exit 1
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fi
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local exec_start
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exec_start=$(grep "^ExecStart=" "$service_file" | cut -d'=' -f2-)
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if [[ -z "$exec_start" ]]; then
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log_error "无法从 service 文件中获取 ExecStart"
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exit 1
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fi
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# 提取二进制文件路径（取第一个参数，即可执行文件路径）
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local binary_path
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binary_path=$(echo "$exec_start" | awk '{print $1}')
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echo "$binary_path"
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}
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# 获取当前版本
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get_current_version() {
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local binary_path="$1"
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if [[ ! -f "$binary_path" ]]; then
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echo "unknown"
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return
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fi
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# beszel-agent 不支持 --version，尝试用 strings 从二进制中提取版本号
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# 版本号格式通常是 x.y.z
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local version=""
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if command -v strings &> /dev/null; then
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version=$(strings "$binary_path" 2>/dev/null | grep -oE '^[0-9]+\.[0-9]+\.[0-9]+$' | head -n1)
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fi
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# 如果 strings 不可用或没找到，尝试用 grep
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if [[ -z "$version" ]]; then
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version=$(grep -aoE '[0-9]+\.[0-9]+\.[0-9]+' "$binary_path" 2>/dev/null | head -n1)
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fi
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if [[ -z "$version" ]]; then
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echo "unknown"
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else
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echo "$version"
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fi
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}
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# 检测系统架构
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detect_arch() {
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local arch
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arch=$(uname -m)
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case "$arch" in
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x86_64|amd64)
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echo "amd64"
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;;
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aarch64|arm64)
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echo "arm64"
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;;
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armv7l|armhf)
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echo "arm"
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;;
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i386|i686)
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echo "386"
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;;
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*)
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log_error "不支持的架构: $arch"
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exit 1
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;;
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esac
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}
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# 下载并更新
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download_and_update() {
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local version="$1"
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local binary_path="$2"
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local arch="$3"
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# 构建下载 URL（文件名不含版本号）
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local filename="beszel-agent_linux_${arch}.tar.gz"
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local download_url="${MIRROR_BASE_URL}/${version}/${filename}"
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log_info "下载 URL: $download_url"
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# 创建临时目录
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local tmp_dir
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tmp_dir=$(mktemp -d)
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trap "rm -rf $tmp_dir" EXIT
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local tar_file="$tmp_dir/$filename"
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# 下载文件
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log_info "正在下载 $filename ..."
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if ! curl -L -f -o "$tar_file" "$download_url"; then
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log_error "下载失败"
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exit 1
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fi
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# 解压
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log_info "正在解压..."
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if ! tar -xzf "$tar_file" -C "$tmp_dir"; then
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log_error "解压失败"
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exit 1
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fi
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# 查找解压后的二进制文件
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local new_binary="$tmp_dir/beszel-agent"
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if [[ ! -f "$new_binary" ]]; then
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log_error "解压后找不到 beszel-agent 文件"
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exit 1
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fi
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# 停止服务
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log_info "正在停止 $SERVICE_NAME ..."
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systemctl stop "$SERVICE_NAME" || true
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# 备份旧文件
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local backup_path="${binary_path}.bak"
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if [[ -f "$binary_path" ]]; then
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log_info "备份旧文件到 $backup_path"
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cp "$binary_path" "$backup_path"
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fi
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# 替换二进制文件
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log_info "正在更新二进制文件..."
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cp "$new_binary" "$binary_path"
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chmod +x "$binary_path"
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# 启动服务
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log_info "正在启动 $SERVICE_NAME ..."
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systemctl start "$SERVICE_NAME"
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# 检查服务状态
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sleep 2
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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log_info "服务启动成功"
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else
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log_error "服务启动失败，正在回滚..."
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if [[ -f "$backup_path" ]]; then
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cp "$backup_path" "$binary_path"
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systemctl start "$SERVICE_NAME"
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fi
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exit 1
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fi
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}
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# 主函数
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main() {
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log_info "===== Beszel Agent 更新脚本 ====="
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check_root
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check_dependencies
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# 获取二进制文件路径
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local binary_path
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binary_path=$(get_binary_path)
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log_info "二进制文件路径: $binary_path"
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# 获取当前版本
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local current_version
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current_version=$(get_current_version "$binary_path")
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log_info "当前版本: $current_version"
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# 获取最新版本
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local latest_version
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latest_version=$(get_latest_version)
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log_info "最新版本: $latest_version"
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# 检测架构
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local arch
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arch=$(detect_arch)
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log_info "系统架构: $arch"
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# 比较版本（简单比较，如果当前版本包含最新版本号则跳过）
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local latest_version_num="${latest_version#v}"
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if [[ "$current_version" == *"$latest_version_num"* ]]; then
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log_info "已经是最新版本，无需更新"
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exit 0
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fi
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# 确认更新
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if [[ "$AUTO_CONFIRM" != "true" ]]; then
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read -p "是否更新到 $latest_version? [y/N] " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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log_info "取消更新"
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exit 0
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fi
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fi
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# 执行更新
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download_and_update "$latest_version" "$binary_path" "$arch"
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log_info "===== 更新完成 ====="
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log_info "已更新到: $latest_version"
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}
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# 解析参数
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-y|--yes)
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AUTO_CONFIRM="true"
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shift
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;;
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-h|--help)
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echo "用法: $0 [选项]"
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echo ""
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echo "选项:"
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echo " -y, --yes 自动确认更新，不询问"
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echo " -h, --help 显示帮助信息"
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exit 0
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;;
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*)
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log_error "未知参数: $1"
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echo "使用 -h 或 --help 查看帮助"
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exit 1
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;;
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esac
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done
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main
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