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mengyamonitor/install_mengyamonitor.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# MengyaMonitor 一键安装脚本
+# 用法示例：curl -fsSL "https://pan.shumengya.top/d/scripts/mengyamonitor/install_mengyamonitor.sh" | sudo bash
+# 目录结构假设：
+# BASE_URL/linux_amd64/mengyamonitor-backend
+# BASE_URL/linux_arm64/mengyamonitor-backend
+
+BASE_URL="https://pan.shumengya.top/d/scripts/mengyamonitor"
+INSTALL_DIR="/shumengya/bin/mengyamonitor"
+SERVICE_NAME="smy-mengyamonitor"
+BINARY_NAME="mengyamonitor-backend"
+
+log() { printf '[MengyaMonitor-安装] %s\n' "$*" >&2; }
+fail() { log "错误: $*" >&2; exit 1; }
+
+# 进度条函数
+show_progress() {
+	local pid=$1
+	local text=$2
+	local delay=0.1
+	local spin='-\|/'
+	
+	printf "[MengyaMonitor-安装] %s...  " "$text" >&2
+	
+	while ps -p "$pid" > /dev/null 2>&1; do
+		local temp=${spin#?}
+		printf "\b%c" "$spin" >&2
+		local spin=$temp${spin%"$temp"}
+		sleep $delay
+	done
+	printf "\b完成\n" >&2
+}
+
+require_root() {
+	if [ "${EUID:-$(id -u)}" -ne 0 ]; then
+		fail "请使用 root 权限运行 (sudo bash install_mengyamonitor.sh)"
+	fi
+}
+
+detect_arch() {
+	local machine
+	machine=$(uname -m)
+	case "$machine" in
+		x86_64|amd64) echo "linux_amd64" ;;
+		aarch64|arm64) echo "linux_arm64" ;;
+		*) fail "不支持的架构: $machine" ;;
+	esac
+}
+
+download_and_install() {
+	local arch=$1
+	local tmp_dir
+	tmp_dir=$(mktemp -d)
+	trap 'if [ -n "${tmp_dir:-}" ] && [ -d "$tmp_dir" ]; then rm -rf "$tmp_dir"; fi' EXIT
+
+	mkdir -p "$INSTALL_DIR"
+
+	local bin_url="${BASE_URL}/${arch}/${BINARY_NAME}"
+	
+	log "正在处理 ${BINARY_NAME} ..."
+	
+	# 停止旧服务
+	systemctl stop "${SERVICE_NAME}.service" 2>/dev/null || true
+    
+    # 强制清理可能残留的进程 (避免 Text file busy)
+    pids=$(pgrep -f "$BINARY_NAME" || true)
+    if [ -n "$pids" ]; then
+        log "清理残留进程..."
+        kill -9 $pids 2>/dev/null || true
+    fi
+
+    # 优先检测当前目录下是否有二进制文件（本地安装模式）
+    if [ -f "./${BINARY_NAME}" ]; then
+        log "发现本地文件 ./${BINARY_NAME}，跳过下载..."
+        cp "./${BINARY_NAME}" "$tmp_dir/$BINARY_NAME"
+    else
+        # 下载二进制
+        curl -fsSL "$bin_url" -o "$tmp_dir/$BINARY_NAME" &
+        show_progress $! "下载二进制文件"
+        [ -f "$tmp_dir/$BINARY_NAME" ] || fail "下载失败"
+    fi
+	
+	# 安装文件
+	cp "$tmp_dir/$BINARY_NAME" "$INSTALL_DIR/$BINARY_NAME"
+	chmod +x "$INSTALL_DIR/$BINARY_NAME"
+	
+	# 配置服务
+	write_service
+	
+	# 启动服务
+	systemctl daemon-reload
+	systemctl enable "${SERVICE_NAME}.service"
+	systemctl restart "${SERVICE_NAME}.service"
+	
+	sleep 2
+	if systemctl is-active --quiet "${SERVICE_NAME}.service"; then
+		log "服务启动成功"
+	else
+		log "警告: 服务启动失败，查看日志:"
+		journalctl -u "${SERVICE_NAME}.service" --no-pager -n 10
+	fi
+}
+
+write_service() {
+	local service_file="/etc/systemd/system/${SERVICE_NAME}.service"
+	
+	cat > "$service_file" <<EOF
+[Unit]
+Description=MengyaMonitor Backend Service
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory=$INSTALL_DIR
+ExecStart=$INSTALL_DIR/$BINARY_NAME
+Restart=on-failure
+RestartSec=5
+StandardOutput=append:/var/log/mengyamonitor.log
+StandardError=append:/var/log/mengyamonitor.log
+
+[Install]
+WantedBy=multi-user.target
+EOF
+}
+
+main() {
+	require_root
+	local arch
+	arch=$(detect_arch)
+	log "检测到架构: $arch"
+	
+	download_and_install "$arch"
+	
+	log "=========================================="
+	log "安装任务完成!"
+	log "安装目录: $INSTALL_DIR"
+	log "服务名称: $SERVICE_NAME"
+	log "=========================================="
+}
+
+main "$@"