Merge pull request #1 from karthikv81/karthikv81-patch-minikube-profi…

…le-list

List and set minikube profiles kubernetes#1716

cmd/minikube/cmd/config/profile.go

@@ -18,7 +18,9 @@ package config
 
 import (
 	"os"
-
+        "io/ioutil"
+        "strings"
+
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	pkgConfig "k8s.io/minikube/pkg/minikube/config"
@@ -28,23 +30,45 @@ import (
 	pkgutil "k8s.io/minikube/pkg/util"
 )
 
+var (
+       profileList     bool
+       profileSet              string
+)
+
+
+
 // ProfileCmd represents the profile command
 var ProfileCmd = &cobra.Command{
 	Use:   "profile [MINIKUBE_PROFILE_NAME].  You can return to the default minikube profile by running `minikube profile default`",
 	Short: "Profile gets or sets the current minikube profile",
 	Long:  "profile sets the current minikube profile, or gets the current profile if no arguments are provided.  This is used to run and manage multiple minikube instance.  You can return to the default minikube profile by running `minikube profile default`",
 	Run: func(cmd *cobra.Command, args []string) {
-		if len(args) == 0 {
+		if profileList {
+			var profilePathStr strings.Builder
+			profilePathStr.WriteString(constants.GetMinipath())
+			profilePathStr.WriteString("/profiles")
+			files, err := ioutil.ReadDir(profilePathStr.String())
+			if err != nil {
+				exit.WithError("Getting profile failed", err)
+			} 
+			console.OutLn("Available profiles are:")
+			for _,file := range files {
+				console.OutLn("%s", file.Name())
+			}
+			os.Exit(0)
+		} 
+
+		if (profileSet == "") && (len(args) == 0) {
 			profile := viper.GetString(pkgConfig.MachineProfile)
-			console.OutLn("%s", profile)
+			console.OutLn("Current Profile: %s", profile)
 			os.Exit(0)
 		}
 
-		if len(args) > 1 {
-			exit.Usage("usage: minikube profile [MINIKUBE_PROFILE_NAME]")
+		if ((profileSet != "") && (len(args) > 1)) {
+			exit.Usage("usage: minikube profile -l | -s [MINIKUBE_PROFILE_NAME] ")
 		}
 
-		profile := args[0]
+		profile := profileSet
 		if profile == "default" {
 			profile = "minikube"
 		}