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go/scripts/install-systemd-service.sh

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+#!/bin/bash
+
+# ========================================
+# 安装 systemd 服务脚本
+# 用途：配置 Go API 为 systemd 服务
+# ========================================
+
+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_NAME="go-api"
+SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SERVICE_TEMPLATE="${SCRIPT_DIR}/${SERVICE_NAME}.service"
+WORK_DIR="/www/wwwroot/api.yunzer.cn"
+MAIN_FILE="${WORK_DIR}/main.go"
+
+echo -e "${BLUE}========================================${NC}"
+echo -e "${BLUE}安装 Go API systemd 服务${NC}"
+echo -e "${BLUE}========================================${NC}"
+echo ""
+
+# 检查是否为 root
+if [ "$EUID" -ne 0 ]; then 
+    echo -e "${RED}错误：请使用 root 用户运行此脚本${NC}"
+    echo "使用方法: sudo bash $0"
+    exit 1
+fi
+
+# 检查工作目录
+if [ ! -d "$WORK_DIR" ]; then
+    echo -e "${RED}错误：工作目录不存在: $WORK_DIR${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
+
+# 检查 Go 是否安装
+if ! command -v go &> /dev/null; then
+    echo -e "${RED}错误：Go 未安装或不在 PATH 中${NC}"
+    exit 1
+fi
+
+GO_PATH=$(which go)
+echo -e "${GREEN}✓ Go 路径: $GO_PATH${NC}"
+
+# 停止现有服务
+echo -e "${YELLOW}1. 停止现有服务...${NC}"
+if systemctl is-active --quiet "$SERVICE_NAME"; then
+    systemctl stop "$SERVICE_NAME"
+    echo -e "${GREEN}   ✓ 已停止现有服务${NC}"
+else
+    echo -e "${YELLOW}   - 服务未运行${NC}"
+fi
+
+# 停止可能的手动启动进程
+echo -e "${YELLOW}2. 清理手动启动的进程...${NC}"
+if pgrep -f "go run main.go" > /dev/null; then
+    pkill -f "go run main.go"
+    echo -e "${GREEN}   ✓ 已清理手动启动的进程${NC}"
+else
+    echo -e "${YELLOW}   - 无手动启动的进程${NC}"
+fi
+
+# 创建服务文件
+echo -e "${YELLOW}3. 创建 systemd 服务文件...${NC}"
+
+cat > "$SERVICE_FILE" << EOF
+[Unit]
+Description=Go API Server
+After=network.target mysql.service
+Wants=mysql.service
+
+[Service]
+Type=simple
+User=root
+Group=root
+WorkingDirectory=$WORK_DIR
+ExecStart=$GO_PATH run main.go
+Restart=always
+RestartSec=5
+StandardOutput=append:$WORK_DIR/go.log
+StandardError=append:$WORK_DIR/go.log
+
+# 环境变量
+Environment="PATH=$GO_PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+
+# 资源限制
+LimitNOFILE=65535
+LimitNPROC=65535
+
+# 安全设置
+PrivateTmp=true
+NoNewPrivileges=false
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+echo -e "${GREEN}   ✓ 服务文件已创建: $SERVICE_FILE${NC}"
+
+# 重载 systemd
+echo -e "${YELLOW}4. 重载 systemd 配置...${NC}"
+systemctl daemon-reload
+echo -e "${GREEN}   ✓ systemd 配置已重载${NC}"
+
+# 启动服务
+echo -e "${YELLOW}5. 启动服务...${NC}"
+systemctl start "$SERVICE_NAME"
+sleep 2
+
+# 检查服务状态
+if systemctl is-active --quiet "$SERVICE_NAME"; then
+    echo -e "${GREEN}   ✓ 服务启动成功${NC}"
+else
+    echo -e "${RED}   ✗ 服务启动失败${NC}"
+    echo ""
+    echo -e "${YELLOW}查看错误日志：${NC}"
+    journalctl -u "$SERVICE_NAME" -n 20 --no-pager
+    exit 1
+fi
+
+# 启用开机自启
+echo -e "${YELLOW}6. 启用开机自启...${NC}"
+systemctl enable "$SERVICE_NAME"
+echo -e "${GREEN}   ✓ 已启用开机自启${NC}"
+
+# 显示服务状态
+echo ""
+echo -e "${BLUE}========================================${NC}"
+echo -e "${BLUE}安装完成！${NC}"
+echo -e "${BLUE}========================================${NC}"
+echo ""
+echo -e "${GREEN}服务信息：${NC}"
+echo -e "  服务名称: $SERVICE_NAME"
+echo -e "  工作目录: $WORK_DIR"
+echo -e "  日志文件: $WORK_DIR/go.log"
+echo -e "  配置文件: $SERVICE_FILE"
+echo ""
+echo -e "${GREEN}常用命令：${NC}"
+echo -e "  启动服务: systemctl start $SERVICE_NAME"
+echo -e "  停止服务: systemctl stop $SERVICE_NAME"
+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 ""