refectoring: Delete unnecessary code

Signed-off-by: Youngjun <yj.yoo@okestro.com>

Author: yj-yoo

cli/cmd/check_java.go

@@ -143,7 +143,7 @@ func (djc *CheckJavaCommand) checkJdk() error {
 	}
 	javaResult := response.Result.(string)
 
-	jdkVersion, err := djc.getJdkVersionFromJavaVer(string(javaResult))
+	jdkVersion, err := djc.getJdkVersionFromJavaVer(javaResult)
 	if err != nil {
 		return fmt.Errorf("check java jdk version failed! err: %s", err.Error())
 	}

cli/cmd/check_os.go

@@ -186,7 +186,7 @@ func (doc *CheckOsCommand) execOperatorCmd(checkExecCmd *CheckExecCmd) {
 
 		if len(cmdArr) != 2 {
 			fmt.Printf("[failed] %s, failed! error: yaml faile is wrong \n", execResult.cmd)
-			execResult.info = fmt.Sprintf("yaml faile is wrong")
+			execResult.info = "yaml faile is wrong"
 			execResult.result = "failed"
 			continue
 		}
@@ -361,7 +361,7 @@ func (doc *CheckOsCommand) actionRunEFunc(target, scope string, actionCommand *a
 				if !ok || value == "" {
 					response.Code = spec.ParameterLess.Code
 					response.Success = false
-					response.Err = fmt.Sprintf("[failed] check failed! err: less required parameter!")
+					response.Err = "[failed] check failed! err: less required parameter!"
 					cmd.Println(response.Print())
 					return nil
 				}

cli/cmd/create.go

@@ -201,7 +201,7 @@ func (cc *CreateCommand) actionRunEFunc(target, scope string, actionCommand *act
 				time.Sleep(time.Millisecond * 100)
 				log.Debugf(ctx, "result: %v", response.Result)
 				if response.Result == nil {
-					errMsg := fmt.Sprintf("chaos_os process not found, please check chaosblade log")
+					errMsg := "chaos_os process not found, please check chaosblade log"
 					checkError(GetDS().UpdateExperimentModelByUid(model.Uid, Error, errMsg))
 					response.Err = errMsg
 				} else {

cli/cmd/server_stop.go

@@ -48,7 +48,7 @@ func (ssc *StopServerCommand) run(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return spec.ResponseFailWithFlags(spec.OsCmdExecFailed, startServerKey, err)
 	}
-	if pids == nil || len(pids) == 0 {
+	if len(pids) == 0 {
 		log.Infof(context.Background(), "the blade server process not found, so return success for stop operation")
 		//log.Info("the blade server process not found, so return success for stop operation")
 		cmd.Println(spec.ReturnSuccess("success").Print())

cli/cmd/status.go

@@ -69,7 +69,7 @@ func (sc *StatusCommand) Init() {
 
 }
 func (sc *StatusCommand) runStatus(command *cobra.Command, args []string) error {
-	var uid = ""
+	var uid string
 	if len(args) > 0 {
 		uid = args[0]
 	} else {