func (d *nodeData) EtcdUpgrade() bool {
	return d.etcdUpgrade
}

// RenewCerts returns the renewCerts flag.
func (d *nodeData) RenewCerts() bool {
	return d.renewCerts
}

// Cfg returns upgradeConfiguration.
func (d *nodeData) Cfg() *kubeadmapi.UpgradeConfiguration {
	return d.cfg
}

// InitCfg returns the InitConfiguration.
func (d *nodeData) InitCfg() *kubeadmapi.InitConfiguration {

	} else {
		return cmdutil.TypeMismatchErr("etcdUpgrade", "bool")
	}

	renewCerts, ok := cmdutil.ValueFromFlagsOrConfig(flagSet, options.CertificateRenewal, upgradeCfg.Apply.CertificateRenewal, &flags.renewCerts).(*bool)
	if ok {
		upgradeCfg.Apply.CertificateRenewal = renewCerts
	} else {
		return cmdutil.TypeMismatchErr("renewCerts", "bool")
	}

	if len(flags.patchesDir) > 0 {

}

// StaticPodControlPlane upgrades a static pod-hosted control plane
func StaticPodControlPlane(client clientset.Interface, waiter apiclient.Waiter, pathMgr StaticPodPathManager, cfg *kubeadmapi.InitConfiguration, etcdUpgrade, renewCerts bool, oldEtcdClient, newEtcdClient etcdutil.ClusterInterrogator) error {
	recoverManifests := map[string]string{}
	var isExternalEtcd bool

				internalcfg, err := getInternalCfg(flags.cfgPath, client, flags.cfg, &output.TextPrinter{}, "renew")
				if err != nil {
					return err
				}

				return renewCert(kdir, internalcfg, handler)
			}
		}(handler)
		// install the implementation into the command
		cmd.RunE = func(*cobra.Command, []string) error { return renewalFunc() }
		cmd.Args = cobra.NoArgs