feat(deploy): add one-line upgrade-agent script

deploy/upgrade-agent.sh

@@ -0,0 +1,80 @@
+#!/bin/bash
+set -e
+
+# VPS-Commander Agent 一键安全升级脚本
+# Repo: https://github.com/kyaring/vps-commander
+
+REPO="kyaring/vps-commander"
+INSTALL_DIR="/opt/vps-commander"
+GITHUB_URL="https://github.com"
+
+# 颜色输出
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+info() { echo -e "${BLUE}[INFO]${NC} $*"; }
+success() { echo -e "${GREEN}[SUCCESS]${NC} $*"; }
+warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
+error() { echo -e "${RED}[ERROR]${NC} $*"; exit 1; }
+
+# 检查 root 权限
+[[ $EUID -ne 0 ]] && error "必须使用 root 权限运行此脚本"
+
+# 检查是否安装过 agent
+if [ ! -f "${INSTALL_DIR}/vps-commander-agent" ]; then
+    error "未检测到已安装的 Agent (${INSTALL_DIR}/vps-commander-agent)，请先使用 install.sh 完整安装。"
+fi
+
+# 架构检测
+ARCH=$(uname -m)
+case "$ARCH" in
+    x86_64|amd64) TARGET_ARCH="amd64" ;;
+    aarch64|arm64) TARGET_ARCH="arm64" ;;
+    *) error "暂不支持的系统架构: $ARCH" ;;
+esac
+
+info "正在获取最新 Release 版本信息..."
+LATEST_TAG=$(curl -fsSL -k "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name":' | head -n1 | sed -E 's/.*"([^"]+)".*/\1/')
+if [ -z "$LATEST_TAG" ]; then
+    warn "无法通过 GitHub API 自动获取 Tag，回退至 v1.1.0"
+    LATEST_TAG="v1.1.0"
+fi
+info "目标升级版本: ${LATEST_TAG} (${TARGET_ARCH})"
+
+BIN_NAME="vps-commander-agent-linux-${TARGET_ARCH}"
+DOWNLOAD_URL="${GITHUB_URL}/${REPO}/releases/download/${LATEST_TAG}/${BIN_NAME}"
+TMP_BIN="${INSTALL_DIR}/vps-commander-agent.tmp"
+BAK_BIN="${INSTALL_DIR}/vps-commander-agent.bak"
+
+info "正在下载新版本二进制文件..."
+curl -fsSL -k -o "${TMP_BIN}" "${DOWNLOAD_URL}" || error "下载失败，请检查网络或 Release 是否存在"
+
+# 完整性校验：文件大小不能小于 1MB
+FILE_SIZE=$(stat -c%s "${TMP_BIN}" 2>/dev/null || stat -f%z "${TMP_BIN}" 2>/dev/null || echo 0)
+if [ "$FILE_SIZE" -lt 1000000 ]; then
+    rm -f "${TMP_BIN}"
+    error "下载的文件不完整或损坏 (大小: ${FILE_SIZE} 字节)，已终止升级"
+fi
+
+chmod +x "${TMP_BIN}"
+
+info "备份旧版本并原子替换..."
+cp -f "${INSTALL_DIR}/vps-commander-agent" "${BAK_BIN}" 2>/dev/null || true
+mv -f "${TMP_BIN}" "${INSTALL_DIR}/vps-commander-agent"
+
+info "重启 vps-commander-agent 服务..."
+systemctl restart vps-commander-agent
+sleep 2
+
+if systemctl is-active --quiet vps-commander-agent; then
+    success "Agent 成功平滑升级至 ${LATEST_TAG} 并已恢复运行！"
+    rm -f "${BAK_BIN}"
+else
+    warn "服务启动异常，正在自动回滚原版本..."
+    mv -f "${BAK_BIN}" "${INSTALL_DIR}/vps-commander-agent"
+    systemctl restart vps-commander-agent
+    error "升级失败，已安全回滚至上一版本，请查看日志: journalctl -u vps-commander-agent -n 20"
+fi