[cmd]重构配置读取，支持传入参数

cmd/safe/safe.go

@@ -16,7 +16,8 @@ import (
 	"golang.org/x/term"
 )
 
-var SafeCmd = &cobra.Command{
+func NewSafeCmd() *cobra.Command {
+	cmd := &cobra.Command{
 		Use:   "safe",
 		Short: "交互式安全确认，将可疑对象加入白名单",
 		Long:  "查看当前的可疑文件和进程列表，并选择将其移入白名单。",
@@ -30,6 +31,8 @@ var SafeCmd = &cobra.Command{
 			interactiveSafe(cfg)
 		},
 	}
+	return cmd
+}
 
 func readKeyWithESC() (string, error) {
 	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))

cmd/start/start.go

@@ -20,16 +20,17 @@ import (
 	"go.uber.org/zap"
 )
 
-var StartCmd = &cobra.Command{
+func NewStartCmd() *cobra.Command {
+	cmd := &cobra.Command{
 		Use:   "start",
 		Short: "启动系统监控守护服务",
 		Long:  "sysmonitord start 命令用于启动系统监控守护服务，首次启动会进行全量扫描建立白名单。",
 		Run: func(cmd *cobra.Command, args []string) {
 			logger.Log.Info("正在启动系统监控守护服务...")
 
-		cfg, err := config.LoadConfig("./config.yaml")
+			cfg, ok := cmd.Context().Value("config").(*config.Config)
-		if err != nil {
+			if !ok {
-			logger.Log.Error("加载配置文件失败", zap.Error(err))
+				logger.Log.Error("无法获取配置")
 				os.Exit(1)
 			}
 
@@ -177,3 +178,6 @@ var StartCmd = &cobra.Command{
 
 		},
 	}
+
+	return cmd
+}

cmd/status/status.go

@@ -10,7 +10,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var StatusCmd = &cobra.Command{
+func NewStatusCmd() *cobra.Command {
+	cmd := &cobra.Command{
 		Use:   "status",
 		Short: "显示系统状态",
 		Long:  "显示Sysmonitod的当前状态",
@@ -25,6 +26,8 @@ var StatusCmd = &cobra.Command{
 			printStatus(cfg)
 		},
 	}
+	return cmd
+}
 
 func printStatus(cfg *config.Config) {
 	dataDir := cfg.Storage.DataDir

cmd/version/version.go

@@ -7,7 +7,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var VersionCmd = &cobra.Command{
+func NewVersionCmd() *cobra.Command {
+	cmd := &cobra.Command{
 		Use:   "version",
 		Short: "显示 sysmonitord 的版本信息",
 		Long:  "sysmonitord version 命令用于显示当前 sysmonitord 的版本、Git 提交信息和构建时间。",
@@ -15,3 +16,5 @@ var VersionCmd = &cobra.Command{
 			fmt.Println(version.Info())
 		},
 	}
+	return cmd
+}

main.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"context"
+	"fmt"
 	"os"
 	"sysmonitord/cmd/safe"
 	"sysmonitord/cmd/start"
@@ -13,39 +15,44 @@ import (
 	"go.uber.org/zap"
 )
 
-func getConfigPath() string {
+var (
-	if _, err := os.Stat("./config.yaml"); err == nil {
+	cfgFile string
-		return "./config.yaml"
+	cfg     *config.Config
-	}
+)
-
-	if _, err := os.Stat("/etc/sysmonitord/config.yaml"); err == nil {
-		return "/etc/sysmonitord/config.yaml"
-	}
-
-	return "./config.yaml"
-}
 
 func main() {
 	logger.InitLogger()
 	defer logger.Sync()
 
-	cfg, err := config.LoadConfig(getConfigPath())
-	if err != nil {
-		logger.Log.Error("加载配置文件失败", zap.Error(err))
-		os.Exit(1)
-	} else {
-		logger.SetLogLevel(cfg.Log.Level)
-	}
-
 	var rootCmd = &cobra.Command{
 		Use:   "sysmonitord",
 		Short: "Sysmonitord 是一个 Linux 系统安全监控工具",
+		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+			if cfgFile == "" {
+				if _, err := os.Stat("./config.yaml"); err == nil {
+					cfgFile = "./config.yaml"
+				} else if _, err := os.Stat("/etc/sysmonitord/config.yaml"); err == nil {
+					cfgFile = "/etc/sysmonitord/config.yaml"
+				}
 			}
 
-	rootCmd.AddCommand(start.StartCmd)
+			cfg, err := config.LoadConfig(cfgFile)
-	rootCmd.AddCommand(version.VersionCmd)
+			if err != nil {
-	rootCmd.AddCommand(status.StatusCmd)
+				return fmt.Errorf("加载配置文件失败: %w", err)
-	rootCmd.AddCommand(safe.SafeCmd)
+			}
+
+			ctx := context.WithValue(cmd.Context(), "config", cfg)
+			cmd.SetContext(ctx)
+			return nil
+		},
+	}
+
+	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "配置文件路径 (默认: ./config.yaml 或 /etc/sysmonitord/config.yaml)")
+
+	rootCmd.AddCommand(start.NewStartCmd())
+	rootCmd.AddCommand(version.NewVersionCmd())
+	rootCmd.AddCommand(status.NewStatusCmd())
+	rootCmd.AddCommand(safe.NewSafeCmd())
 
 	if err := rootCmd.Execute(); err != nil {
 		logger.Log.Error("命令执行失败", zap.Error(err))