API updates and fixes to CLI

internal/app/wwctl/node/add/root.go

@@ -4,19 +4,19 @@ import "github.com/spf13/cobra"
 
 var (
 	baseCmd = &cobra.Command{
-		Use:                "add",
-		Short:              "Add new node",
-		Long:               "Add new node ",
-		RunE:				CobraRunE,
-		Args: 				cobra.MinimumNArgs(1),
+		Use:   "add",
+		Short: "Add new node",
+		Long:  "Add new node ",
+		RunE:  CobraRunE,
+		Args:  cobra.MinimumNArgs(1),
 	}
-	SetGroup string
+	SetGroup      string
 	SetController string
 )
 
 func init() {
 	baseCmd.PersistentFlags().StringVarP(&SetGroup, "group", "g", "default", "Group to add nodes to")
-	baseCmd.PersistentFlags().StringVarP(&SetController, "controller", "c", "default", "Controller to add nodes to")
+	baseCmd.PersistentFlags().StringVarP(&SetController, "controller", "c", "localhost", "Controller to add nodes to")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.