modify command comment and fix windows down command

cmd/down.go

@@ -25,16 +25,10 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// downCmd represents the down command
 var downCmd = &cobra.Command{
 	Use:   "down",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+	Short: "stop gvn",
+	Long:  `Stop gvn through the pid or pid file (default)`,
 	Run: func(cmd *cobra.Command, args []string) {
 		var pid int
 		if p, err := cmd.Flags().GetUint32("pid"); err == nil && pid > 0 {
@@ -50,7 +44,14 @@ to quickly create a Cobra application.`,
 		logrus.WithFields(logrus.Fields{
 			"PID": pid,
 		}).Info("kill gvn process")
-		syscall.Kill(pid, syscall.SIGINT)
+		if p, err := os.FindProcess(pid); err == nil {
+			p.Signal(syscall.SIGINT)
+		} else {
+			logrus.WithFields(logrus.Fields{
+				"ERROR": err,
+				"PID":   pid,
+			}).Error("Kill process error")
+		}
 	},
 }
 

cmd/init.go

@@ -57,13 +57,8 @@ type Config struct {
 var (
 	initCmd = &cobra.Command{
 		Use:   "init",
-		Short: "A brief description of your command",
-		Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+		Short: "generate gvn config file",
+		Long:  `Generate the gvn.yaml file for server and clients`,
 		Run: func(cmd *cobra.Command, args []string) {
 			if _, err := os.Stat(viper.ConfigFileUsed()); err == nil {
 				if force, _ := cmd.Flags().GetBool("force"); !force {

cmd/root.go

@@ -27,16 +27,8 @@ import (
 var (
 	rootCmd = &cobra.Command{
 		Use:   "gvn",
-		Short: "A brief description of your application",
-		Long: `A longer description that spans multiple lines and likely contains
-examples and usage of using your application. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
-		// Uncomment the following line if your bare application
-		// has an action associated with it:
-		// Run: func(cmd *cobra.Command, args []string) { },
+		Short: "gvn - a golang implementation VPN aims on distributed work environments",
+		Long:  ``,
 	}
 	cfgFile string
 )
@@ -79,10 +71,5 @@ func initConfig() {
 	if err := viper.ReadInConfig(); err == nil {
 		// PASS
 	} else {
-		// 	logrus.WithFields(logrus.Fields{
-		// 		"File":  viper.ConfigFileUsed(),
-		// 		"KEYS":  viper.AllKeys(),
-		// 		"ERROR": err,
-		// 	}).Error("Read config file error")
 	}
 }

cmd/up.go

@@ -44,13 +44,8 @@ import (
 var (
 	upCmd = &cobra.Command{
 		Use:   "up",
-		Short: "A brief description of your command",
-		Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+		Short: "run gvn",
+		Long:  `Run gvn using the configure file (gvn.yaml)`,
 		Run: func(cmd *cobra.Command, args []string) {
 			fmt.Println("up called")
 			upCommand(cmd)