Add DeleteCluster to bootstrapper

cmd/minikube/cmd/delete.go

@@ -23,6 +23,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	cmdcfg "k8s.io/minikube/cmd/minikube/cmd/config"
 	cmdUtil "k8s.io/minikube/cmd/util"
 	"k8s.io/minikube/pkg/minikube/cluster"
 	pkg_config "k8s.io/minikube/pkg/minikube/config"
@@ -43,14 +44,29 @@ associated files.`,
 			os.Exit(1)
 		}
 		profile := viper.GetString(pkg_config.MachineProfile)
-		console.OutStyle("deleting-vm", "Deleting %q Kubernetes cluster ...", profile)
 		api, err := machine.NewAPIClient()
 		if err != nil {
 			console.Fatal("Error getting client: %v", err)
 			os.Exit(1)
 		}
 		defer api.Close()
 
+		cc, err := pkg_config.Load()
+		if err != nil && !os.IsNotExist(err) {
+			console.ErrLn("Error loading profile config: %v", err)
+		} else if err == nil {
+			kc := cc.KubernetesConfig
+			bsName := viper.GetString(cmdcfg.Bootstrapper) // Name ?
+			console.OutStyle("resetting", "Reverting Kubernetes %s using %s ...", kc.KubernetesVersion, bsName)
+			clusterBootstrapper, err := GetClusterBootstrapper(api, viper.GetString(cmdcfg.Bootstrapper))
+			if err != nil {
+				if err = clusterBootstrapper.DeleteCluster(kc); err != nil {
+					console.ErrLn("Failed to delete cluster: %v", err)
+				}
+			}
+		}
+
+		console.OutStyle("deleting-vm", "Deleting %q Kubernetes VM ...", profile)
 		if err = cluster.DeleteHost(api); err != nil {
 			switch err := errors.Cause(err).(type) {
 			case mcnerror.ErrHostDoesNotExist:

pkg/minikube/bootstrapper/bootstrapper.go

@@ -31,6 +31,7 @@ type Bootstrapper interface {
 	StartCluster(config.KubernetesConfig) error
 	UpdateCluster(config.KubernetesConfig) error
 	RestartCluster(config.KubernetesConfig) error
+	DeleteCluster(config.KubernetesConfig) error
 	GetClusterLogsTo(follow bool, out io.Writer) error
 	SetupCerts(cfg config.KubernetesConfig) error
 	GetKubeletStatus() (string, error)

pkg/minikube/bootstrapper/kubeadm/kubeadm.go

@@ -253,6 +253,16 @@ func (k *KubeadmBootstrapper) RestartCluster(k8s config.KubernetesConfig) error
 	return nil
 }
 
+// DeleteCluster removes the components that were started earlier
+func (k *KubeadmBootstrapper) DeleteCluster(k8s config.KubernetesConfig) error {
+	cmd := fmt.Sprintf("sudo kubeadm reset --config %s", constants.KubeadmConfigFile)
+	if err := k.c.Run(cmd); err != nil {
+		return errors.Wrapf(err, "running cmd: %s", cmd)
+	}
+
+	return nil
+}
+
 // PullImages downloads images that will be used by RestartCluster
 func (k *KubeadmBootstrapper) PullImages(k8s config.KubernetesConfig) error {
 	cmd := fmt.Sprintf("sudo kubeadm config images pull --config %s", constants.KubeadmConfigFile)

pkg/minikube/console/style.go

@@ -57,6 +57,7 @@ var styles = map[string]style{
 	"caching":           {Prefix: "🤹  "},
 	"starting-vm":       {Prefix: "🔥  "},
 	"starting-none":     {Prefix: "🤹  "},
+	"resetting":         {Prefix: "🔄  "},
 	"deleting-vm":       {Prefix: "🔥  "},
 	"copying":           {Prefix: "✨  "},
 	"connectivity":      {Prefix: "📶  "},