feat: global set log level

hrp/cmd/root.go

@@ -21,9 +21,17 @@ Copyright 2021 debugtalk`,
 	Version: hrp.VERSION,
 }
 
+var (
+	logLevel string
+	logJSON  bool
+)
+
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute() {
+	RootCmd.PersistentFlags().StringVarP(&logLevel, "log-level", "l", "INFO", "set log level")
+	RootCmd.PersistentFlags().BoolVar(&logJSON, "log-json", false, "set log to json format")
+
 	if err := RootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)