added a check in TerminateDanglingWorkflow for argo wf exec

Author: prakash100198

pkg/pipeline/executors/ArgoWorkflowExecutor.go

@@ -109,15 +109,17 @@ func (impl *ArgoWorkflowExecutorImpl) TerminateDanglingWorkflow(workflowGenerate
 			break
 		}
 	}
-	_, err = wfClient.Get(context.Background(), wfToDelete.Name, v1.GetOptions{})
-	if err != nil {
-		impl.logger.Errorw("cannot find workflow", "name", wfToDelete.Name, "err", err)
-		return errors.New("cannot find workflow " + wfToDelete.Name)
-	}
-	err = util.TerminateWorkflow(context.Background(), wfClient, wfToDelete.Name)
-	if err != nil {
-		impl.logger.Errorw("error in terminating argo executor workflow", "name", wfToDelete.Name, "err", err)
-		return err
+	if len(wfToDelete.Name) > 0 {
+		_, err = wfClient.Get(context.Background(), wfToDelete.Name, v1.GetOptions{})
+		if err != nil {
+			impl.logger.Errorw("cannot find workflow", "name", wfToDelete.Name, "err", err)
+			return errors.New("cannot find workflow " + wfToDelete.Name)
+		}
+		err = util.TerminateWorkflow(context.Background(), wfClient, wfToDelete.Name)
+		if err != nil {
+			impl.logger.Errorw("error in terminating argo executor workflow", "name", wfToDelete.Name, "err", err)
+			return err
+		}
 	}
 	return nil
 }