Symbolic link
201 lines
5.2 KiB
Bash
Symbolic link
201 lines
5.2 KiB
Bash
#!/bin/bash
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# 结伴客后端服务启动脚本
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# 用于启动Node.js后端服务
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# 设置颜色变量
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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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# 显示脚本使用说明
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show_usage() {
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echo "用法: $0 [选项]"
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echo "选项:"
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echo " start 启动后端服务"
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echo " stop 停止后端服务"
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echo " restart 重启后端服务"
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echo " status 查看服务状态"
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echo " help 显示帮助信息"
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}
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# 检查是否安装了Node.js
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check_node() {
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if ! command -v node &> /dev/null; then
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echo -e "${RED}错误: 未找到Node.js，请先安装Node.js${NC}"
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exit 1
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fi
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NODE_VERSION=$(node -v)
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echo -e "${GREEN}✓ Node.js版本: ${NODE_VERSION}${NC}"
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}
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# 检查是否安装了npm
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check_npm() {
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if ! command -v npm &> /dev/null; then
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echo -e "${RED}错误: 未找到npm，请先安装npm${NC}"
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exit 1
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fi
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NPM_VERSION=$(npm -v)
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echo -e "${GREEN}✓ npm版本: ${NPM_VERSION}${NC}"
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}
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# 检查依赖是否已安装
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check_dependencies() {
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if [ ! -d "node_modules" ]; then
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echo -e "${YELLOW}警告: 未找到node_modules目录，正在安装依赖...${NC}"
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npm install
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if [ $? -ne 0 ]; then
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echo -e "${RED}错误: 依赖安装失败${NC}"
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exit 1
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fi
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echo -e "${GREEN}✓ 依赖安装完成${NC}"
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else
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echo -e "${GREEN}✓ 依赖已安装${NC}"
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fi
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}
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# 启动服务
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start_service() {
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# 检查服务是否已经在运行
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if pgrep -f "node.*server.js" > /dev/null; then
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echo -e "${YELLOW}警告: 服务已在运行中${NC}"
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exit 1
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fi
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echo -e "${GREEN}正在启动结伴客后端服务...${NC}"
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# 设置环境变量
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export NODE_ENV=production
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export PORT=${PORT:-3200}
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# 启动服务并将其放到后台运行
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nohup npm start > server.log 2>&1 &
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SERVER_PID=$!
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# 将PID保存到文件
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echo $SERVER_PID > server.pid
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# 等待几秒钟让服务启动
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sleep 3
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# 检查服务是否成功启动
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if pgrep -f "node.*server.js" > /dev/null; then
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echo -e "${GREEN}✓ 服务启动成功${NC}"
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echo -e "${GREEN}✓ PID: ${SERVER_PID}${NC}"
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echo -e "${GREEN}✓ 日志文件: server.log${NC}"
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echo -e "${GREEN}✓ 访问地址: http://localhost:${PORT}${NC}"
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else
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echo -e "${RED}✗ 服务启动失败，请检查日志文件 server.log${NC}"
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rm -f server.pid
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exit 1
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fi
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}
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# 停止服务
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stop_service() {
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if [ ! -f server.pid ]; then
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if pgrep -f "node.*server.js" > /dev/null; then
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echo -e "${YELLOW}警告: 找到正在运行的服务，但PID文件不存在${NC}"
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echo -e "${YELLOW}尝试查找并终止服务...${NC}"
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pkill -f "node.*server.js"
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sleep 2
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if pgrep -f "node.*server.js" > /dev/null; then
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echo -e "${RED}✗ 无法终止服务${NC}"
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exit 1
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else
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echo -e "${GREEN}✓ 服务已终止${NC}"
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fi
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else
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echo -e "${YELLOW}服务未在运行${NC}"
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fi
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else
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SERVER_PID=$(cat server.pid)
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if ps -p $SERVER_PID > /dev/null; then
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echo -e "${GREEN}正在停止服务 (PID: ${SERVER_PID})...${NC}"
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kill $SERVER_PID
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sleep 3
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if ps -p $SERVER_PID > /dev/null; then
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echo -e "${YELLOW}服务未响应，强制终止...${NC}"
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kill -9 $SERVER_PID
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fi
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rm -f server.pid
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echo -e "${GREEN}✓ 服务已停止${NC}"
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else
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echo -e "${YELLOW}PID文件存在但服务未在运行${NC}"
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rm -f server.pid
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fi
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fi
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}
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# 查看服务状态
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status_service() {
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if [ -f server.pid ]; then
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SERVER_PID=$(cat server.pid)
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if ps -p $SERVER_PID > /dev/null; then
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echo -e "${GREEN}✓ 服务正在运行 (PID: ${SERVER_PID})${NC}"
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else
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echo -e "${RED}✗ PID文件存在但服务未在运行${NC}"
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fi
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else
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if pgrep -f "node.*server.js" > /dev/null; then
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echo -e "${GREEN}✓ 服务正在运行${NC}"
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else
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echo -e "${YELLOW}服务未在运行${NC}"
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fi
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fi
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}
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# 查看日志
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tail_logs() {
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if [ -f server.log ]; then
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tail -f server.log
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else
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echo -e "${RED}日志文件不存在${NC}"
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fi
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}
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# 主逻辑
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main() {
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# 获取命令行参数
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ACTION=${1:-"start"}
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case "$ACTION" in
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start)
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check_node
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check_npm
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check_dependencies
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start_service
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;;
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stop)
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stop_service
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;;
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restart)
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stop_service
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sleep 2
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check_node
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check_npm
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check_dependencies
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start_service
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;;
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status)
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status_service
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;;
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logs)
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tail_logs
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;;
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help)
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show_usage
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;;
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*)
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echo -e "${RED}未知选项: $ACTION${NC}"
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show_usage
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exit 1
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;;
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esac
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}
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# 执行主逻辑
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main "$@" |