// Write CSR to disk
	if err := pkiutil.WriteCSR(kubeConfigDir, name, clientCSR); err != nil {
		return err
	}
	return nil
}

// CreateDefaultKubeConfigsAndCSRFiles is used in ExternalCA mode to create
// kubeconfig files and adjacent CSR files.
func CreateDefaultKubeConfigsAndCSRFiles(out io.Writer, kubeConfigDir string, kubeadmConfig *kubeadmapi.InitConfiguration) error {
	kubeConfigs, err := getKubeConfigSpecsBase(kubeadmConfig)

		},
	}
	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			out := &bytes.Buffer{}
			if err := CreateDefaultKubeConfigsAndCSRFiles(out, tc.args.kubeConfigDir, tc.args.kubeadmConfig); (err != nil) != tc.wantErr {
				t.Errorf("CreateDefaultKubeConfigsAndCSRFiles() error = %v, wantErr %v", err, tc.wantErr)
				return
			}
		})
	}

func runGenCSR(out io.Writer, config *genCSRConfig) error {
	if err := certsphase.CreateDefaultKeysAndCSRFiles(out, config.kubeadmConfig); err != nil {
		return err
	}
	if err := kubeconfigphase.CreateDefaultKubeConfigsAndCSRFiles(out, config.kubeConfigDir, config.kubeadmConfig); err != nil {
		return err
	}
	return nil
}

// newCmdCertificateKey returns cobra.Command for certificate key generate