WIP: Add option to list all profiles

cmd/minikube/cmd/config/profiles.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package config
+
+import (
+	"os"
+	"github.com/spf13/cobra"
+	"k8s.io/minikube/pkg/minikube/console"
+	"k8s.io/minikube/pkg/minikube/exit"
+	pkgutil "k8s.io/minikube/pkg/util"
+	"k8s.io/minikube/pkg/minikube/constants"
+)
+
+// ProfileCmd represents the profile command
+var ProfilesCmd = &cobra.Command{
+	Use:   "profiles",
+	Short: "profiles gets the list of all the present profiles",
+	Long:  "profiles displays a list of all the profiles which have been created earlier.",
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) > 1 {
+			exit.Usage("usage: minikube profile [MINIKUBE_PROFILE_NAME]")
+		}
+		profiles, err := pkgutil.GetProfiles(constants.KubeconfigPath)
+		if err != nil {
+			exit.WithError("Failed to fetch profiles", err)
+		}
+
+		// check length og profiles, if zero then print suitable message
+		if len(profiles) == 0 {
+			console.OutLn("No profiles created yet")
+			os.Exit(0)
+		}
+
+		for _, profile := range profiles {
+			console.OutLn(profile)
+		}
+	},
+}

cmd/minikube/cmd/root.go

@@ -132,6 +132,7 @@ func init() {
 	RootCmd.AddCommand(configCmd.ConfigCmd)
 	RootCmd.AddCommand(configCmd.AddonsCmd)
 	RootCmd.AddCommand(configCmd.ProfileCmd)
+	RootCmd.AddCommand(configCmd.ProfilesCmd)
 	pflag.CommandLine.AddGoFlagSet(goflag.CommandLine)
 	if err := viper.BindPFlags(RootCmd.PersistentFlags()); err != nil {
 		exit.WithError("Unable to bind flags", err)

pkg/util/kubeconfig.go

@@ -325,3 +325,16 @@ func UnsetCurrentContext(filename, machineName string) error {
 	}
 	return nil
 }
+
+//Fetch all the profiles and return
+func GetProfiles(filename string) ([]string, error) {
+	config, err := ReadConfigOrNew(filename)
+	if err != nil {
+		return nil, errors.Wrap(err, "Error getting kubeconfig status")
+	}
+	profiles := make([]string, 0, 4)
+	for context, _ := range config.Contexts {
+		profiles = append(profiles, context)
+	}
+	return profiles, nil
+}