增加自动安装脚本
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docs/服务端启动命令.md
295
docs/服务端启动命令.md
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启动
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systemctl daemon-reload
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## 方式一：使用 systemd 服务（推荐）
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### 自动安装（推荐）
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使用安装脚本自动配置 systemd 服务：
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```bash
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# 进入脚本目录
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cd /www/wwwroot/api.yunzer.cn/scripts
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# 添加执行权限
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chmod +x install-systemd-service.sh
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# 运行安装脚本
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sudo bash install-systemd-service.sh
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```
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脚本会自动：
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- 停止现有服务和进程
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- 创建正确的 systemd 配置文件
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- 启动服务
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- 启用开机自启
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- 显示服务状态和日志
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### 手动安装
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如果需要手动配置：
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```bash
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# 1. 停止现有服务
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systemctl stop go-api
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pkill -f "go run main.go"
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# 2. 复制服务文件
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sudo cp /www/wwwroot/api.yunzer.cn/scripts/go-api.service /etc/systemd/system/
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# 3. 重载 systemd
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sudo systemctl daemon-reload
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# 4. 启动服务
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sudo systemctl start go-api
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# 5. 启用开机自启
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sudo systemctl enable go-api
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# 6. 查看状态
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sudo systemctl status go-api
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```
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### 启动服务
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```bash
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systemctl start go-api
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```
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### 查看状态
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```bash
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systemctl status go-api
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```
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### 常用命令
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```bash
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# 启动
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systemctl start go-api
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查看是否成功
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# 停止
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systemctl stop go-api
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# 重启
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systemctl restart go-api
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# 查看状态
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systemctl status go-api
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启动：systemctl start go-api
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停止：systemctl stop go-api
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重启：systemctl restart go-api
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查看状态：systemctl status go-api
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# 查看日志（systemd 日志）
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journalctl -u go-api -f
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# 查看日志（文件日志）
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tail -f /www/wwwroot/api.yunzer.cn/go.log
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后台直接启动
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# 开机自启
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systemctl enable go-api
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# 禁用开机自启
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systemctl disable go-api
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```
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## 方式二：使用管理脚本（推荐）
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### 脚本位置
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```bash
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/www/wwwroot/api.yunzer.cn/scripts/service.sh
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```
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### 添加执行权限
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```bash
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chmod +x /www/wwwroot/api.yunzer.cn/scripts/service.sh
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```
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### 常用命令
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```bash
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# 启动服务
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh start
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# 停止服务
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh stop
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# 重启服务
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh restart
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# 查看状态
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh status
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# 查看日志（最后 50 行）
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh logs
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# 实时查看日志
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh logs -f
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# 查看最后 100 行日志
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bash /www/wwwroot/api.yunzer.cn/scripts/service.sh logs 100
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```
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### 创建快捷命令（可选）
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```bash
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# 添加到 ~/.bashrc
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echo 'alias go-service="bash /www/wwwroot/api.yunzer.cn/scripts/service.sh"' >> ~/.bashrc
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source ~/.bashrc
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# 使用快捷命令
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go-service start
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go-service restart
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go-service status
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go-service logs -f
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```
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## 方式三：后台直接启动
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### 启动服务
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```bash
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cd /www/wwwroot/api.yunzer.cn
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nohup go run main.go &
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nohup go run main.go > go.log 2>&1 &
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```
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查看是否运行成功
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### 查看是否运行成功
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```bash
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tail -f go.log
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```
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### 查看进程
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```bash
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ps aux | grep "go run main.go" | grep -v grep
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```
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下次要重启
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pkill go && cd /www/wwwroot/api.yunzer.cn && nohup go run main.go &
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### 重启服务
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```bash
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pkill -f "go run main.go" && cd /www/wwwroot/api.yunzer.cn && nohup go run main.go > go.log 2>&1 &
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```
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### 停止服务
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```bash
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pkill -f "go run main.go"
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```
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## 日志查看
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### 查看实时日志
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```bash
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# systemd 方式
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journalctl -u go-api -f
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# 直接启动方式
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tail -f /www/wwwroot/api.yunzer.cn/go.log
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```
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### 查看最近日志
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```bash
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# systemd 方式
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journalctl -u go-api -n 100
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# 直接启动方式
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tail -n 100 /www/wwwroot/api.yunzer.cn/go.log
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```
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### 查看错误日志
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```bash
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# systemd 方式
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journalctl -u go-api -p err
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# 直接启动方式
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grep -i error /www/wwwroot/api.yunzer.cn/go.log
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```
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## 常见问题
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### 1. 服务启动失败
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**检查日志**：
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```bash
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# systemd
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journalctl -u go-api -n 50
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# 直接启动
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tail -n 50 /www/wwwroot/api.yunzer.cn/go.log
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```
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**常见原因**：
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- 端口被占用（8081）
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- 数据库连接失败
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- 配置文件错误
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### 2. 端口被占用
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**查看端口占用**：
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```bash
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netstat -tlnp | grep 8081
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# 或
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lsof -i :8081
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```
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**停止占用进程**：
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```bash
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# 找到 PID
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lsof -i :8081
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# 停止进程
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kill -9 <PID>
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```
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### 3. 进程残留
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**查找残留进程**：
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```bash
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ps aux | grep "go run main.go" | grep -v grep
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```
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**清理残留进程**：
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```bash
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pkill -9 -f "go run main.go"
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```
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### 4. 日志文件不存在
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**原因**：启动命令没有重定向输出
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**解决**：使用正确的启动命令
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```bash
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nohup go run main.go > go.log 2>&1 &
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```
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## 性能监控
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### 查看资源占用
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```bash
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# CPU 和内存
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top -p $(pgrep -f "go run main.go")
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# 详细信息
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ps aux | grep "go run main.go" | grep -v grep
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```
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### 查看连接数
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```bash
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netstat -an | grep 8081 | wc -l
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```
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### 查看文件描述符
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```bash
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lsof -p $(pgrep -f "go run main.go") | wc -l
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```
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## 生产环境建议
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1. **使用 systemd 服务**：更稳定，支持自动重启
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2. **配置日志轮转**：防止日志文件过大
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3. **监控服务状态**：使用监控工具（如 Prometheus）
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4. **定期备份**：备份数据库和配置文件
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5. **使用编译后的二进制**：比 `go run` 更高效
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### 编译并运行（推荐生产环境）
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```bash
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# 编译
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cd /www/wwwroot/api.yunzer.cn
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go build -o server main.go
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# 运行
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nohup ./server > go.log 2>&1 &
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# 或使用 systemd（修改 ExecStart）
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# ExecStart=/www/wwwroot/api.yunzer.cn/server
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```
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## 更新日期
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2026-04-09
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29
scripts/go-api.service
Normal file
29
scripts/go-api.service
Normal file
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[Unit]
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Description=Go API Server
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After=network.target mysql.service
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Wants=mysql.service
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[Service]
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Type=simple
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User=root
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Group=root
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WorkingDirectory=/www/wwwroot/api.yunzer.cn
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ExecStart=/usr/local/go/bin/go run main.go
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Restart=always
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RestartSec=5
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StandardOutput=append:/www/wwwroot/api.yunzer.cn/go.log
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StandardError=append:/www/wwwroot/api.yunzer.cn/go.log
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# 环境变量
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Environment="PATH=/usr/local/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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# 资源限制
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LimitNOFILE=65535
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LimitNPROC=65535
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# 安全设置
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PrivateTmp=true
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NoNewPrivileges=false
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[Install]
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WantedBy=multi-user.target
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168
scripts/install-systemd-service.sh
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168
scripts/install-systemd-service.sh
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#!/bin/bash
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# ========================================
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# 安装 systemd 服务脚本
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# 用途：配置 Go API 为 systemd 服务
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# ========================================
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set -e
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# 颜色定义
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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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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# 配置
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SERVICE_NAME="go-api"
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SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SERVICE_TEMPLATE="${SCRIPT_DIR}/${SERVICE_NAME}.service"
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WORK_DIR="/www/wwwroot/api.yunzer.cn"
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MAIN_FILE="${WORK_DIR}/main.go"
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echo -e "${BLUE}========================================${NC}"
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echo -e "${BLUE}安装 Go API systemd 服务${NC}"
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echo -e "${BLUE}========================================${NC}"
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echo ""
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# 检查是否为 root
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if [ "$EUID" -ne 0 ]; then
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echo -e "${RED}错误：请使用 root 用户运行此脚本${NC}"
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echo "使用方法: sudo bash $0"
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exit 1
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fi
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# 检查工作目录
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if [ ! -d "$WORK_DIR" ]; then
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echo -e "${RED}错误：工作目录不存在: $WORK_DIR${NC}"
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exit 1
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fi
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# 检查 main.go
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if [ ! -f "$MAIN_FILE" ]; then
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echo -e "${RED}错误：找不到 main.go: $MAIN_FILE${NC}"
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exit 1
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fi
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# 检查 Go 是否安装
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if ! command -v go &> /dev/null; then
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echo -e "${RED}错误：Go 未安装或不在 PATH 中${NC}"
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exit 1
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fi
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GO_PATH=$(which go)
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echo -e "${GREEN}✓ Go 路径: $GO_PATH${NC}"
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# 停止现有服务
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echo -e "${YELLOW}1. 停止现有服务...${NC}"
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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systemctl stop "$SERVICE_NAME"
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echo -e "${GREEN} ✓ 已停止现有服务${NC}"
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else
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echo -e "${YELLOW} - 服务未运行${NC}"
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fi
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# 停止可能的手动启动进程
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echo -e "${YELLOW}2. 清理手动启动的进程...${NC}"
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if pgrep -f "go run main.go" > /dev/null; then
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pkill -f "go run main.go"
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echo -e "${GREEN} ✓ 已清理手动启动的进程${NC}"
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else
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echo -e "${YELLOW} - 无手动启动的进程${NC}"
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fi
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# 创建服务文件
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echo -e "${YELLOW}3. 创建 systemd 服务文件...${NC}"
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cat > "$SERVICE_FILE" << EOF
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[Unit]
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Description=Go API Server
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After=network.target mysql.service
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Wants=mysql.service
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[Service]
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Type=simple
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User=root
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Group=root
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WorkingDirectory=$WORK_DIR
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ExecStart=$GO_PATH run main.go
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Restart=always
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RestartSec=5
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StandardOutput=append:$WORK_DIR/go.log
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StandardError=append:$WORK_DIR/go.log
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# 环境变量
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Environment="PATH=$GO_PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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# 资源限制
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LimitNOFILE=65535
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LimitNPROC=65535
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# 安全设置
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PrivateTmp=true
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NoNewPrivileges=false
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[Install]
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WantedBy=multi-user.target
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EOF
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echo -e "${GREEN} ✓ 服务文件已创建: $SERVICE_FILE${NC}"
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# 重载 systemd
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echo -e "${YELLOW}4. 重载 systemd 配置...${NC}"
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systemctl daemon-reload
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echo -e "${GREEN} ✓ systemd 配置已重载${NC}"
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# 启动服务
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echo -e "${YELLOW}5. 启动服务...${NC}"
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systemctl start "$SERVICE_NAME"
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sleep 2
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# 检查服务状态
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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echo -e "${GREEN} ✓ 服务启动成功${NC}"
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else
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echo -e "${RED} ✗ 服务启动失败${NC}"
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echo ""
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echo -e "${YELLOW}查看错误日志：${NC}"
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journalctl -u "$SERVICE_NAME" -n 20 --no-pager
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exit 1
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fi
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# 启用开机自启
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echo -e "${YELLOW}6. 启用开机自启...${NC}"
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systemctl enable "$SERVICE_NAME"
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echo -e "${GREEN} ✓ 已启用开机自启${NC}"
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# 显示服务状态
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echo ""
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echo -e "${BLUE}========================================${NC}"
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echo -e "${BLUE}安装完成！${NC}"
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echo -e "${BLUE}========================================${NC}"
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echo ""
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echo -e "${GREEN}服务信息：${NC}"
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echo -e " 服务名称: $SERVICE_NAME"
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echo -e " 工作目录: $WORK_DIR"
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echo -e " 日志文件: $WORK_DIR/go.log"
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echo -e " 配置文件: $SERVICE_FILE"
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echo ""
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echo -e "${GREEN}常用命令：${NC}"
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echo -e " 启动服务: systemctl start $SERVICE_NAME"
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echo -e " 停止服务: systemctl stop $SERVICE_NAME"
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echo -e " 重启服务: systemctl restart $SERVICE_NAME"
|
||||
echo -e " 查看状态: systemctl status $SERVICE_NAME"
|
||||
echo -e " 查看日志: journalctl -u $SERVICE_NAME -f"
|
||||
echo -e " 查看文件日志: tail -f $WORK_DIR/go.log"
|
||||
echo ""
|
||||
echo -e "${YELLOW}当前服务状态：${NC}"
|
||||
systemctl status "$SERVICE_NAME" --no-pager -l
|
||||
echo ""
|
||||
echo -e "${YELLOW}最近日志（最后 10 行）：${NC}"
|
||||
if [ -f "$WORK_DIR/go.log" ]; then
|
||||
tail -n 10 "$WORK_DIR/go.log"
|
||||
else
|
||||
echo " 日志文件尚未创建"
|
||||
fi
|
||||
echo ""
|
||||
285
scripts/service.sh
Normal file
285
scripts/service.sh
Normal file
@ -0,0 +1,285 @@
|
||||
#!/bin/bash
|
||||
|
||||
# ========================================
|
||||
# Go 服务管理脚本
|
||||
# 用途：启动、停止、重启、查看状态
|
||||
# ========================================
|
||||
|
||||
set -e
|
||||
|
||||
# 颜色定义
|
||||
RED='\033[0;31m'
|
||||
GREEN='\033[0;32m'
|
||||
YELLOW='\033[1;33m'
|
||||
BLUE='\033[0;34m'
|
||||
NC='\033[0m' # No Color
|
||||
|
||||
# 配置
|
||||
SERVICE_DIR="/www/wwwroot/api.yunzer.cn"
|
||||
LOG_FILE="$SERVICE_DIR/go.log"
|
||||
PID_FILE="$SERVICE_DIR/go.pid"
|
||||
MAIN_FILE="$SERVICE_DIR/main.go"
|
||||
|
||||
# 检查服务目录
|
||||
if [ ! -d "$SERVICE_DIR" ]; then
|
||||
echo -e "${RED}错误：服务目录不存在: $SERVICE_DIR${NC}"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 检查 main.go
|
||||
if [ ! -f "$MAIN_FILE" ]; then
|
||||
echo -e "${RED}错误：找不到 main.go: $MAIN_FILE${NC}"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 获取进程 ID
|
||||
get_pid() {
|
||||
if [ -f "$PID_FILE" ]; then
|
||||
cat "$PID_FILE"
|
||||
else
|
||||
# 通过进程名查找
|
||||
pgrep -f "go run main.go" | head -n 1
|
||||
fi
|
||||
}
|
||||
|
||||
# 检查服务是否运行
|
||||
is_running() {
|
||||
local pid=$(get_pid)
|
||||
if [ -n "$pid" ] && kill -0 "$pid" 2>/dev/null; then
|
||||
return 0
|
||||
else
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
# 启动服务
|
||||
start() {
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo -e "${BLUE}启动 Go 服务${NC}"
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo ""
|
||||
|
||||
if is_running; then
|
||||
local pid=$(get_pid)
|
||||
echo -e "${YELLOW}服务已在运行中 (PID: $pid)${NC}"
|
||||
return 0
|
||||
fi
|
||||
|
||||
echo -e "${YELLOW}切换到服务目录...${NC}"
|
||||
cd "$SERVICE_DIR"
|
||||
|
||||
echo -e "${YELLOW}启动服务...${NC}"
|
||||
nohup go run main.go > "$LOG_FILE" 2>&1 &
|
||||
local pid=$!
|
||||
echo $pid > "$PID_FILE"
|
||||
|
||||
# 等待服务启动
|
||||
sleep 2
|
||||
|
||||
if is_running; then
|
||||
echo -e "${GREEN}✓ 服务启动成功 (PID: $pid)${NC}"
|
||||
echo -e "${GREEN}✓ 日志文件: $LOG_FILE${NC}"
|
||||
echo ""
|
||||
echo -e "${YELLOW}查看日志：${NC}"
|
||||
echo -e " tail -f $LOG_FILE"
|
||||
echo ""
|
||||
echo -e "${YELLOW}查看最近日志：${NC}"
|
||||
tail -n 20 "$LOG_FILE"
|
||||
else
|
||||
echo -e "${RED}✗ 服务启动失败${NC}"
|
||||
if [ -f "$LOG_FILE" ]; then
|
||||
echo -e "${YELLOW}最近的错误日志：${NC}"
|
||||
tail -n 20 "$LOG_FILE"
|
||||
fi
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
# 停止服务
|
||||
stop() {
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo -e "${BLUE}停止 Go 服务${NC}"
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo ""
|
||||
|
||||
if ! is_running; then
|
||||
echo -e "${YELLOW}服务未运行${NC}"
|
||||
rm -f "$PID_FILE"
|
||||
return 0
|
||||
fi
|
||||
|
||||
local pid=$(get_pid)
|
||||
echo -e "${YELLOW}停止服务 (PID: $pid)...${NC}"
|
||||
|
||||
# 尝试优雅停止
|
||||
kill "$pid" 2>/dev/null || true
|
||||
|
||||
# 等待最多 10 秒
|
||||
local count=0
|
||||
while is_running && [ $count -lt 10 ]; do
|
||||
sleep 1
|
||||
count=$((count + 1))
|
||||
echo -n "."
|
||||
done
|
||||
echo ""
|
||||
|
||||
# 如果还在运行，强制停止
|
||||
if is_running; then
|
||||
echo -e "${YELLOW}强制停止服务...${NC}"
|
||||
kill -9 "$pid" 2>/dev/null || true
|
||||
sleep 1
|
||||
fi
|
||||
|
||||
# 清理所有相关进程
|
||||
pkill -f "go run main.go" 2>/dev/null || true
|
||||
|
||||
rm -f "$PID_FILE"
|
||||
|
||||
if is_running; then
|
||||
echo -e "${RED}✗ 服务停止失败${NC}"
|
||||
exit 1
|
||||
else
|
||||
echo -e "${GREEN}✓ 服务已停止${NC}"
|
||||
fi
|
||||
}
|
||||
|
||||
# 重启服务
|
||||
restart() {
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo -e "${BLUE}重启 Go 服务${NC}"
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo ""
|
||||
|
||||
stop
|
||||
echo ""
|
||||
sleep 2
|
||||
start
|
||||
}
|
||||
|
||||
# 查看状态
|
||||
status() {
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo -e "${BLUE}Go 服务状态${NC}"
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo ""
|
||||
|
||||
if is_running; then
|
||||
local pid=$(get_pid)
|
||||
echo -e "${GREEN}✓ 服务运行中${NC}"
|
||||
echo -e " PID: $pid"
|
||||
echo -e " 目录: $SERVICE_DIR"
|
||||
echo -e " 日志: $LOG_FILE"
|
||||
echo ""
|
||||
|
||||
# 显示进程信息
|
||||
echo -e "${YELLOW}进程信息：${NC}"
|
||||
ps aux | grep "$pid" | grep -v grep
|
||||
echo ""
|
||||
|
||||
# 显示端口监听
|
||||
echo -e "${YELLOW}端口监听：${NC}"
|
||||
netstat -tlnp 2>/dev/null | grep "$pid" || lsof -i -P -n | grep "$pid" || echo " 无法获取端口信息"
|
||||
echo ""
|
||||
|
||||
# 显示最近日志
|
||||
if [ -f "$LOG_FILE" ]; then
|
||||
echo -e "${YELLOW}最近日志（最后 10 行）：${NC}"
|
||||
tail -n 10 "$LOG_FILE"
|
||||
fi
|
||||
else
|
||||
echo -e "${RED}✗ 服务未运行${NC}"
|
||||
|
||||
# 检查是否有残留进程
|
||||
local pids=$(pgrep -f "go run main.go" || true)
|
||||
if [ -n "$pids" ]; then
|
||||
echo -e "${YELLOW}发现残留进程：${NC}"
|
||||
ps aux | grep "go run main.go" | grep -v grep
|
||||
echo ""
|
||||
echo -e "${YELLOW}清理残留进程：${NC}"
|
||||
echo " bash $0 stop"
|
||||
fi
|
||||
|
||||
# 显示最近日志
|
||||
if [ -f "$LOG_FILE" ]; then
|
||||
echo ""
|
||||
echo -e "${YELLOW}最近日志（最后 20 行）：${NC}"
|
||||
tail -n 20 "$LOG_FILE"
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
# 查看日志
|
||||
logs() {
|
||||
if [ ! -f "$LOG_FILE" ]; then
|
||||
echo -e "${RED}日志文件不存在: $LOG_FILE${NC}"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ "$1" = "-f" ] || [ "$1" = "--follow" ]; then
|
||||
echo -e "${YELLOW}实时查看日志（Ctrl+C 退出）：${NC}"
|
||||
tail -f "$LOG_FILE"
|
||||
else
|
||||
local lines=${1:-50}
|
||||
echo -e "${YELLOW}最近 $lines 行日志：${NC}"
|
||||
tail -n "$lines" "$LOG_FILE"
|
||||
fi
|
||||
}
|
||||
|
||||
# 显示帮助
|
||||
help() {
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo -e "${BLUE}Go 服务管理脚本${NC}"
|
||||
echo -e "${BLUE}========================================${NC}"
|
||||
echo ""
|
||||
echo "用法: $0 {start|stop|restart|status|logs}"
|
||||
echo ""
|
||||
echo "命令："
|
||||
echo " start - 启动服务"
|
||||
echo " stop - 停止服务"
|
||||
echo " restart - 重启服务"
|
||||
echo " status - 查看服务状态"
|
||||
echo " logs - 查看日志（默认最后 50 行）"
|
||||
echo " logs -f - 实时查看日志"
|
||||
echo " logs 100 - 查看最后 100 行日志"
|
||||
echo ""
|
||||
echo "示例："
|
||||
echo " $0 start # 启动服务"
|
||||
echo " $0 restart # 重启服务"
|
||||
echo " $0 status # 查看状态"
|
||||
echo " $0 logs -f # 实时查看日志"
|
||||
echo " $0 logs 100 # 查看最后 100 行"
|
||||
echo ""
|
||||
}
|
||||
|
||||
# 主函数
|
||||
main() {
|
||||
case "${1:-}" in
|
||||
start)
|
||||
start
|
||||
;;
|
||||
stop)
|
||||
stop
|
||||
;;
|
||||
restart)
|
||||
restart
|
||||
;;
|
||||
status)
|
||||
status
|
||||
;;
|
||||
logs)
|
||||
logs "${2:-}"
|
||||
;;
|
||||
help|--help|-h)
|
||||
help
|
||||
;;
|
||||
*)
|
||||
echo -e "${RED}错误：未知命令 '$1'${NC}"
|
||||
echo ""
|
||||
help
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# 运行主函数
|
||||
main "$@"
|
||||
Loading…
Reference in New Issue
Block a user