add timeout for kubeadm init

pkg/minikube/bootstrapper/kubeadm/errors.go

@@ -16,7 +16,13 @@ limitations under the License.
 
 package kubeadm
 
-import "errors"
+import (
+	"errors"
+	"fmt"
+)
+
+// max minutes wait for kubeadm init
+const initTimeOutMinutes = 1
 
 // FailFastError type is an error that could not be solved by trying again
 type FailFastError struct {
@@ -30,3 +36,6 @@ func (f *FailFastError) Error() string {
 // ErrNoExecLinux is thrown on linux when the kubeadm binaries are mounted in a noexec volume on Linux as seen in https://github.com/kubernetes/minikube/issues/8327#issuecomment-651288459
 // this error could be seen on docker/podman or none driver.
 var ErrNoExecLinux = &FailFastError{errors.New("mounted kubeadm binary is not executable")}
+
+// ErrInitTimedout is thrown if kubeadm init takes longer than max time allowed
+var ErrInitTimedout = fmt.Errorf("kubeadm init timed out in %d minutes", initTimeOutMinutes)

pkg/minikube/bootstrapper/kubeadm/kubeadm.go

@@ -224,9 +224,15 @@ func (k *Bootstrapper) init(cfg config.ClusterConfig) error {
 	}
 
 	conf := bsutil.KubeadmYamlPath
-	c := exec.Command("/bin/bash", "-c", fmt.Sprintf("%s init --config %s %s --ignore-preflight-errors=%s",
+	ctx, cancel := context.WithTimeout(context.Background(), initTimeOutMinutes*time.Second)
+	defer cancel()
+	c := exec.CommandContext(ctx, "/bin/bash", "-c", fmt.Sprintf("%s init --config %s %s --ignore-preflight-errors=%s",
 		bsutil.InvokeKubeadm(cfg.KubernetesConfig.KubernetesVersion), conf, extraFlags, strings.Join(ignore, ",")))
 	if _, err := k.c.RunCmd(c); err != nil {
+		if ctx.Err() == context.DeadlineExceeded {
+			return ErrInitTimedout
+		}
+
 		if strings.Contains(err.Error(), "'kubeadm': Permission denied") {
 			return ErrNoExecLinux
 		}