for i, eVer := range eVers.versions {
		oVer := oVers.versions[i]
		if eVer.header != oVer.header {
			if eVer.header.hasEC() != oVer.header.hasEC() {
				// One version has EC and the other doesn't - may have been written later.
				// Compare without considering EC.
				a, b := eVer.header, oVer.header
				a.EcN, a.EcM = 0, 0
				b.EcN, b.EcM = 0, 0
				if a == b {
					continue
				}
			}

	formatErasureVersionV2DistributionAlgoV1 = "CRCMOD"

	// Distributed algorithm used, with N/2 default parity
	formatErasureVersionV3DistributionAlgoV2 = "SIPMOD"

	// Distributed algorithm used, with EC:4 default parity
	formatErasureVersionV3DistributionAlgoV3 = "SIPMOD+PARITY"
)

// Offline disk UUID represents an offline disk.
const offlineDiskUUID = "ffffffff-ffff-ffff-ffff-ffffffffffff"

		case *ecdsa.PrivateKey:
			b, err := x509.MarshalECPrivateKey(k)
			if err != nil {
				fmt.Fprintf(os.Stderr, "Unable to marshal ECDSA private key: %v", err)
				os.Exit(2)
			}
			return &pem.Block{Type: "EC PRIVATE KEY", Bytes: b}
		default:
			return nil
		}
	}

	var priv interface{}
	var err error
	priv, err = rsa.GenerateKey(crand.Reader, rsaBits)
	if err != nil {

}

func ecdsConfigCmd(ctx cli.Context) *cobra.Command {
	var podName, podNamespace string

	ecdsConfigCmd := &cobra.Command{
		Use:     "ecds [<type>/]<name>[.<namespace>]",
		Aliases: []string{"ec"},
		Short:   "Retrieves typed extension configuration for the Envoy in the specified pod",
		Long:    `Retrieve information about typed extension configuration for the Envoy instance in the specified pod.`,

		return nil, setupType, err
	}

	_, serverAddrPort := mustSplitHostPort(serverAddr)

	poolEndpoints := make(PoolEndpointList, len(poolsLayout))

	// For single arg, return single drive EC setup.
	if isSingleDriveLayout(poolsLayout...) {
		endpoint, err := NewEndpoint(poolsLayout[0].layout[0][0])
		if err != nil {
			return nil, setupType, err
		}
		if err := endpoint.UpdateIsLocal(); err != nil {