Fix "--native-ssh" flag of "minikube ssh"

In the previous state, the flag was discarded. This commit fixes
that and also makes sure that the SSH client is created after the
default client type is configured according to the flag.

cmd/minikube/cmd/ssh.go

@@ -67,6 +67,6 @@ var sshCmd = &cobra.Command{
 }
 
 func init() {
-	sshCmd.Flags().Bool(nativeSSH, true, "Use native Golang SSH client (default true). Set to 'false' to use the command line 'ssh' command when accessing the docker machine. Useful for the machine drivers when they will not start with 'Waiting for SSH'.")
+	sshCmd.Flags().BoolVar(&nativeSSHClient, "native-ssh", true, "Use native Golang SSH client (default true). Set to 'false' to use the command line 'ssh' command when accessing the docker machine. Useful for the machine drivers when they will not start with 'Waiting for SSH'.")
 	sshCmd.Flags().StringVarP(&nodeName, "node", "n", "", "The node to ssh into. Defaults to the primary control plane.")
 }

pkg/minikube/machine/ssh.go

@@ -42,14 +42,14 @@ func CreateSSHShell(api libmachine.API, cc config.ClusterConfig, n config.Node,
 		return errors.Errorf("%q is not running", machineName)
 	}
 
-	client, err := host.CreateSSHClient()
-
 	if native {
 		ssh.SetDefaultClient(ssh.Native)
 	} else {
 		ssh.SetDefaultClient(ssh.External)
 	}
 
+	client, err := host.CreateSSHClient()
+
 	if err != nil {
 		return errors.Wrap(err, "Creating ssh client")
 	}