Merge pull request #4758 from blueelvis/4661-force-poweroff-in-hyperv

hyperv: Run "sudo poweroff" before stopping VM

Author: tstromberg

cmd/minikube/cmd/stop.go

@@ -52,7 +52,6 @@ func runStop(cmd *cobra.Command, args []string) {
 	defer api.Close()
 
 	nonexistent := false
-
 	stop := func() (err error) {
 		err = cluster.StopHost(api)
 		switch err := errors.Cause(err).(type) {
@@ -64,9 +63,10 @@ func runStop(cmd *cobra.Command, args []string) {
 			return err
 		}
 	}
-	if err := pkgutil.RetryAfter(5, stop, 2*time.Second); err != nil {
+	if err := pkgutil.RetryAfter(3, stop, 2*time.Second); err != nil {
 		exit.WithError("Unable to stop VM", err)
 	}
+
 	if !nonexistent {
 		out.T(out.Stopped, `"{{.profile_name}}" stopped.`, out.V{"profile_name": profile})
 	}

pkg/minikube/cluster/cluster.go

@@ -228,21 +228,22 @@ func adjustGuestClock(h hostRunner, t time.Time) error {
 }
 
 // trySSHPowerOff runs the poweroff command on the guest VM to speed up deletion
-func trySSHPowerOff(h *host.Host) {
+func trySSHPowerOff(h *host.Host) error {
 	s, err := h.Driver.GetState()
 	if err != nil {
 		glog.Warningf("unable to get state: %v", err)
-		return
+		return err
 	}
 	if s != state.Running {
 		glog.Infof("host is in state %s", s)
-		return
+		return nil
 	}
 
 	out.T(out.Shutdown, `Powering off "{{.profile_name}}" via SSH ...`, out.V{"profile_name": cfg.GetMachineName()})
 	out, err := h.RunSSHCommand("sudo poweroff")
 	// poweroff always results in an error, since the host disconnects.
 	glog.Infof("poweroff result: out=%s, err=%v", out, err)
+	return nil
 }
 
 // StopHost stops the host VM, saving state to disk.
@@ -251,7 +252,15 @@ func StopHost(api libmachine.API) error {
 	if err != nil {
 		return errors.Wrapf(err, "load")
 	}
+
 	out.T(out.Stopping, `Stopping "{{.profile_name}}" in {{.driver_name}} ...`, out.V{"profile_name": cfg.GetMachineName(), "driver_name": host.DriverName})
+	if host.DriverName == constants.DriverHyperv {
+		glog.Infof("As there are issues with stopping Hyper-V VMs using API, trying to shut down using SSH")
+		if err := trySSHPowerOff(host); err != nil {
+			return errors.Wrap(err, "ssh power off")
+		}
+	}
+
 	if err := host.Stop(); err != nil {
 		alreadyInStateError, ok := err.(mcnerror.ErrHostAlreadyInState)
 		if ok && alreadyInStateError.State == state.Stopped {
@@ -270,7 +279,9 @@ func DeleteHost(api libmachine.API) error {
 	}
 	// This is slow if SSH is not responding, but HyperV hangs otherwise, See issue #2914
 	if host.Driver.DriverName() == constants.DriverHyperv {
-		trySSHPowerOff(host)
+		if err := trySSHPowerOff(host); err != nil {
+			glog.Infof("Unable to power off minikube because the host was not found.")
+		}
 	}
 
 	out.T(out.DeletingHost, `Deleting "{{.profile_name}}" in {{.driver_name}} ...`, out.V{"profile_name": cfg.GetMachineName(), "driver_name": host.DriverName})