in, out := &in.ExtraArgs, &out.ExtraArgs
		*out = make(map[string]string, len(*in))
		for key, val := range *in {
			(*out)[key] = val
		}
	}
	if in.ServerCertSANs != nil {
		in, out := &in.ServerCertSANs, &out.ServerCertSANs
		*out = make([]string, len(*in))
		copy(*out, *in)
	}
	if in.PeerCertSANs != nil {
		in, out := &in.PeerCertSANs, &out.PeerCertSANs
		*out = make([]string, len(*in))

			.API.AdvertiseAddress is an optional parameter that can be passed for an extra addition to the SAN IPs
			.APIServer.CertSANs is an optional parameter for adding DNS names and IPs to the API Server serving cert SAN
			.Etcd.Local.ServerCertSANs is an optional parameter for adding DNS names and IPs to the etcd serving cert SAN
			.Etcd.Local.PeerCertSANs is an optional parameter for adding DNS names and IPs to the etcd peer cert SAN

		return err
	}
	out.DataDir = in.DataDir
	// WARNING: in.ExtraArgs requires manual conversion: inconvertible types (map[string]string vs []k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm.Arg)
	out.ServerCertSANs = *(*[]string)(unsafe.Pointer(&in.ServerCertSANs))
	out.PeerCertSANs = *(*[]string)(unsafe.Pointer(&in.PeerCertSANs))
	return nil
}

		in, out := &in.ExtraEnvs, &out.ExtraEnvs
		*out = make([]EnvVar, len(*in))
		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.ServerCertSANs != nil {
		in, out := &in.ServerCertSANs, &out.ServerCertSANs
		*out = make([]string, len(*in))
		copy(*out, *in)
	}
	if in.PeerCertSANs != nil {
		in, out := &in.PeerCertSANs, &out.PeerCertSANs
		*out = make([]string, len(*in))

	// command line except without leading dash(es).
	// +optional
	ExtraArgs map[string]string `json:"extraArgs,omitempty"`

	// ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
	// +optional
	ServerCertSANs []string `json:"serverCertSANs,omitempty"`
	// PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
	// +optional

		in, out := &in.ExtraEnvs, &out.ExtraEnvs
		*out = make([]EnvVar, len(*in))
		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.ServerCertSANs != nil {
		in, out := &in.ServerCertSANs, &out.ServerCertSANs
		*out = make([]string, len(*in))
		copy(*out, *in)
	}
	if in.PeerCertSANs != nil {
		in, out := &in.PeerCertSANs, &out.PeerCertSANs
		*out = make([]string, len(*in))

	// +optional
	ExtraEnvs []EnvVar `json:"extraEnvs,omitempty"`

	// ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
	// +optional
	ServerCertSANs []string `json:"serverCertSANs,omitempty"`
	// PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
	// +optional

		return err
	}
	out.DataDir = in.DataDir
	out.ExtraArgs = *(*[]kubeadm.Arg)(unsafe.Pointer(&in.ExtraArgs))
	out.ExtraEnvs = *(*[]kubeadm.EnvVar)(unsafe.Pointer(&in.ExtraEnvs))
	out.ServerCertSANs = *(*[]string)(unsafe.Pointer(&in.ServerCertSANs))
	out.PeerCertSANs = *(*[]string)(unsafe.Pointer(&in.PeerCertSANs))
	return nil
}

// Convert_v1beta4_LocalEtcd_To_kubeadm_LocalEtcd is an autogenerated conversion function.

// `advertise address` and localhost are included in the SAN since this is the interfaces the etcd static pod listens on.
// The user can override the listen address with `Etcd.ExtraArgs` and add SANs with `Etcd.ServerCertSANs`.
func GetEtcdAltNames(cfg *kubeadmapi.InitConfiguration) (*certutil.AltNames, error) {
	return getAltNames(cfg, kubeadmconstants.EtcdServerCertName)
}

//	  local:
//	    imageRepository: "registry.k8s.io"
//	    imageTag: "3.2.24"
//	    dataDir: "/var/lib/etcd"
//	    extraArgs:
//	      listen-client-urls: "http://10.100.0.1:2379"
//	    serverCertSANs:
//	    -  "ec2-10-100-0-1.compute-1.amazonaws.com"
//	    peerCertSANs:
//	    - "10.100.0.1"
//	  # external:
//	    # endpoints:
//	    # - "10.100.0.1:2379"
//	    # - "10.100.0.2:2379"