Fix dashboard command by adding service format template

cmd/minikube/cmd/dashboard.go

@@ -19,6 +19,7 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"text/template"
 	"time"
 
 	"github.com/docker/machine/libmachine"
@@ -53,7 +54,7 @@ var dashboardCmd = &cobra.Command{
 			os.Exit(1)
 		}
 
-		urls, err := cluster.GetServiceURLsForService(api, namespace, service, nil)
+		urls, err := cluster.GetServiceURLsForService(api, namespace, service, template.Must(template.New("dashboardServiceFormat").Parse(defaultServiceFormatTemplate)))
 		if err != nil {
 			fmt.Fprintln(os.Stderr, err)
 			fmt.Fprintln(os.Stderr, "Check that minikube is running.")

cmd/minikube/cmd/service.go

@@ -96,12 +96,14 @@ var serviceCmd = &cobra.Command{
 	},
 }
 
+const defaultServiceFormatTemplate = "http://{{.IP}}:{{.Port}}"
+
 func init() {
 	serviceCmd.Flags().StringVarP(&namespace, "namespace", "n", "default", "The service namespace")
 	serviceCmd.Flags().BoolVar(&serviceURLMode, "url", false, "Display the kubernetes service URL in the CLI instead of opening it in the default browser")
 	serviceCmd.Flags().BoolVar(&https, "https", false, "Open the service URL with https instead of http")
 
-	serviceCmd.PersistentFlags().StringVar(&serviceURLFormat, "format", "http://{{.IP}}:{{.Port}}", "Format to output service URL in.  This format will be applied to each url individually and they will be printed one at a time.")
+	serviceCmd.PersistentFlags().StringVar(&serviceURLFormat, "format", defaultServiceFormatTemplate, "Format to output service URL in.  This format will be applied to each url individually and they will be printed one at a time.")
 
 	RootCmd.AddCommand(serviceCmd)
 }