Use profile name as cluster/node name

cmd/minikube/cmd/start.go

@@ -923,11 +923,16 @@ func generateCfgFromFlags(cmd *cobra.Command, k8sVersion string, drvName string)
 		out.T(out.SuccessType, "Using image repository {{.name}}", out.V{"name": repository})
 	}
 
+	var kubeNodeName string
+	if drvName != driver.None {
+		kubeNodeName = viper.GetString(config.MachineProfile)
+	}
+
 	// Create the initial node, which will necessarily be a control plane
 	cp := config.Node{
 		Port:              viper.GetInt(apiServerPort),
 		KubernetesVersion: k8sVersion,
-		Name:              constants.DefaultNodeName,
+		Name:              kubeNodeName,
 		ControlPlane:      true,
 		Worker:            true,
 	}
@@ -965,6 +970,7 @@ func generateCfgFromFlags(cmd *cobra.Command, k8sVersion string, drvName string)
 		NatNicType:          viper.GetString(natNicType),
 		KubernetesConfig: config.KubernetesConfig{
 			KubernetesVersion:      k8sVersion,
+			ClusterName:            viper.GetString(config.MachineProfile),
 			APIServerName:          viper.GetString(apiServerName),
 			APIServerNames:         apiServerNames,
 			APIServerIPs:           apiServerIPs,

pkg/minikube/bootstrapper/bsutil/ktmpl/v1alpha3.go

@@ -48,7 +48,7 @@ kind: ClusterConfiguration
   {{$i}}: {{$val}}{{end}}
 {{end -}}
 certificatesDir: {{.CertDir}}
-clusterName: kubernetes
+clusterName: {{.ClusterName}}
 apiServerCertSANs: ["127.0.0.1", "localhost", "{{.AdvertiseAddress}}"]
 controlPlaneEndpoint: localhost:{{.APIServerPort}}
 etcd:

pkg/minikube/bootstrapper/bsutil/ktmpl/v1beta1.go

@@ -51,7 +51,7 @@ kind: ClusterConfiguration
 {{range $i, $val := .FeatureArgs}}{{$i}}: {{$val}}
 {{end -}}{{end -}}
 certificatesDir: {{.CertDir}}
-clusterName: kubernetes
+clusterName: {{.ClusterName}}
 apiServer:
   certSANs: ["127.0.0.1", "localhost", "{{.AdvertiseAddress}}"]
 controlPlaneEndpoint: localhost:{{.APIServerPort}}

pkg/minikube/bootstrapper/bsutil/kubeadm.go

@@ -71,6 +71,7 @@ func GenerateKubeadmYAML(mc config.MachineConfig, r cruntime.Manager) ([]byte, e
 		APIServerPort     int
 		KubernetesVersion string
 		EtcdDataDir       string
+		ClusterName       string
 		NodeName          string
 		DNSDomain         string
 		CRISocket         string
@@ -86,6 +87,7 @@ func GenerateKubeadmYAML(mc config.MachineConfig, r cruntime.Manager) ([]byte, e
 		APIServerPort:     nodePort,
 		KubernetesVersion: k8s.KubernetesVersion,
 		EtcdDataDir:       EtcdDataDir(),
+		ClusterName:       k8s.ClusterName,
 		NodeName:          cp.Name,
 		CRISocket:         r.SocketPath(),
 		ImageRepository:   k8s.ImageRepository,

pkg/minikube/bootstrapper/bsutil/kubeadm_test.go

@@ -127,6 +127,7 @@ func TestGenerateKubeadmYAMLDNS(t *testing.T) {
 					},
 				}
 				cfg.KubernetesConfig.KubernetesVersion = version + ".0"
+				cfg.KubernetesConfig.ClusterName = "kubernetes"
 
 				got, err := GenerateKubeadmYAML(cfg, runtime)
 				if err != nil && !tc.shouldErr {
@@ -207,6 +208,7 @@ func TestGenerateKubeadmYAML(t *testing.T) {
 					}
 				}
 				cfg.KubernetesConfig.KubernetesVersion = version + ".0"
+				cfg.KubernetesConfig.ClusterName = "kubernetes"
 
 				got, err := GenerateKubeadmYAML(cfg, runtime)
 				if err != nil && !tc.shouldErr {

pkg/minikube/bootstrapper/bsutil/kubelet.go

@@ -30,7 +30,7 @@ import (
 
 // NewKubeletConfig generates a new systemd unit containing a configured kubelet
 // based on the options present in the KubernetesConfig.
-func NewKubeletConfig(mc config.MachineConfig, r cruntime.Manager) ([]byte, error) {
+func NewKubeletConfig(mc config.MachineConfig, nc config.Node, r cruntime.Manager) ([]byte, error) {
 	k8s := mc.KubernetesConfig
 	version, err := ParseKubernetesVersion(k8s.KubernetesVersion)
 	if err != nil {
@@ -60,6 +60,9 @@ func NewKubeletConfig(mc config.MachineConfig, r cruntime.Manager) ([]byte, erro
 	if _, ok := extraOpts["node-ip"]; !ok {
 		extraOpts["node-ip"] = cp.IP
 	}
+	if nc.Name != "" {
+		extraOpts["hostname-override"] = nc.Name
+	}
 
 	pauseImage := images.Pause(k8s.ImageRepository)
 	if _, ok := extraOpts["pod-infra-container-image"]; !ok && k8s.ImageRepository != "" && pauseImage != "" && k8s.ContainerRuntime != remoteContainerRuntime {

pkg/minikube/bootstrapper/bsutil/kubelet_test.go

@@ -177,7 +177,7 @@ ExecStart=/var/lib/minikube/binaries/v1.17.2/kubelet --authorization-mode=Webhoo
 				t.Fatalf("runtime: %v", err)
 			}
 
-			got, err := NewKubeletConfig(tc.cfg, runtime)
+			got, err := NewKubeletConfig(tc.cfg, tc.cfg.Nodes[0], runtime)
 			if err != nil && !tc.shouldErr {
 				t.Errorf("got unexpected error generating config: %v", err)
 				return

pkg/minikube/bootstrapper/bsutil/versions.go

@@ -23,7 +23,6 @@ import (
 	"github.com/blang/semver"
 	"github.com/pkg/errors"
 	"k8s.io/minikube/pkg/minikube/config"
-	"k8s.io/minikube/pkg/minikube/constants"
 	"k8s.io/minikube/pkg/minikube/vmpath"
 	"k8s.io/minikube/pkg/util"
 )
@@ -71,7 +70,6 @@ var versionSpecificOpts = []config.VersionedExtraOption{
 		},
 		LessThanOrEqual: semver.MustParse("1.9.10"),
 	},
-	config.NewUnversionedOption(Kubelet, "hostname-override", constants.DefaultNodeName),
 
 	// System pods args
 	config.NewUnversionedOption(Kubelet, "pod-manifest-path", vmpath.GuestManifestsDir),

pkg/minikube/bootstrapper/kubeadm/kubeadm.go

@@ -464,7 +464,8 @@ func (k *Bootstrapper) UpdateCluster(cfg config.MachineConfig) error {
 		return errors.Wrap(err, "generating kubeadm cfg")
 	}
 
-	kubeletCfg, err := bsutil.NewKubeletConfig(cfg, r)
+	// TODO: multiple nodes
+	kubeletCfg, err := bsutil.NewKubeletConfig(cfg, cfg.Nodes[0], r)
 	if err != nil {
 		return errors.Wrap(err, "generating kubelet config")
 	}

pkg/minikube/config/types.go

@@ -70,6 +70,7 @@ type MachineConfig struct {
 // KubernetesConfig contains the parameters used to configure the VM Kubernetes.
 type KubernetesConfig struct {
 	KubernetesVersion string
+	ClusterName       string
 	APIServerName     string
 	APIServerNames    []string
 	APIServerIPs      []net.IP