return errors.Wrapf(err, "unable to write CSR to file %s", csrPath)
	}

	return nil
}

// WritePublicKey stores the given public key at the given location
func WritePublicKey(pkiPath, name string, key crypto.PublicKey) error {
	if key == nil {
		return errors.New("public key cannot be nil when writing to file")
	}

	if err := pkiutil.WriteKey(certsDir, kubeadmconstants.ServiceAccountKeyBaseName, key); err != nil {
		return err
	}

	return pkiutil.WritePublicKey(certsDir, kubeadmconstants.ServiceAccountKeyBaseName, key.Public())
}

// CreateCACertAndKeyFiles generates and writes out a given certificate authority.
// The certSpec should be one of the variables from this package.

		)
	}
}

func TestWritePublicKey(t *testing.T) {
	tmpdir, err := os.MkdirTemp("", "")
	if err != nil {
		t.Fatalf("Couldn't create tmpdir")
	}
	defer os.RemoveAll(tmpdir)

	actual := WritePublicKey(tmpdir, "foo", rootCAKey.Public())
	if actual != nil {
		t.Errorf(
			"failed WriteCertAndKey with an error: %v",
			actual,
		)
	}
}

func TestCertOrKeyExist(t *testing.T) {