Expiration          Expiration          `xml:"Expiration,omitempty"`
	Transition          Transition          `xml:"Transition,omitempty"`
	DelMarkerExpiration DelMarkerExpiration `xml:"DelMarkerExpiration,omitempty"`
	// FIXME: add a type to catch unsupported AbortIncompleteMultipartUpload AbortIncompleteMultipartUpload `xml:"AbortIncompleteMultipartUpload,omitempty"`

	}
	return fmt.Sprintf("| `%s` | `%s` | %s | %s |\n", md.Name, md.Type, md.Help, labels)
}

// listMetrics - returns a handler that lists all the metrics that could be
// returned for the requested path.
//
// FIXME: It currently only lists `minio_` prefixed metrics.
func (h *metricsV3Server) listMetrics(path string) http.Handler {
	// First collect all matching MetricsGroup's
	matchingMG := make(map[collectorPath]*MetricsGroup)

	// target, we need to check if a configuration value has been set previously
	// to figure out if this is a valid create or update API call.

	// This cannot really error (FIXME: improve the type for GetConfigInfo)
	var cfgInfos []madmin.IDPCfgInfo
	switch subSys {
	case madmin.IdentityOpenIDSubSys:
		cfgInfos, _ = globalIAMSys.OpenIDConfig.GetConfigInfo(s, cfgTarget)

		return "", gcsToObjectError(err, gcs.Bucket, key)
	}

	if _, err := xioutil.Copy(w, data); err != nil {
		return "", gcsToObjectError(err, gcs.Bucket, key)
	}

	return "", w.Close()
}

// FIXME: add support for remote version ID in GCS remote tier and remove this.
// Currently it's a no-op.
func (gcs *warmBackendGCS) Put(ctx context.Context, key string, data io.Reader, length int64) (remoteVersionID, error) {

	case int64:
		return fmt.Sprintf("%v", x), nil
	case string:
		return x, nil
	case []byte:
		return string(x), nil
	case bool:
		return fmt.Sprintf("%v", x), nil
	case nil:
		// FIXME: verify this case is correct
		return "NULL", nil
	}
	// This does not happen
	return "", errCastFailure(fmt.Sprintf("cannot cast %v to string type", v.GetTypeString()))
}

}

// VerifyBinary - asks remote peers to verify the checksum
func (sys *NotificationSys) VerifyBinary(ctx context.Context, u *url.URL, sha256Sum []byte, releaseInfo string, bin []byte) []NotificationPeerErr {
	// FIXME: network calls made in this manner such as one goroutine per node,
	// can easily eat into the internode bandwidth. This function would be mostly
	// TX saturating, however there are situations where a RX might also saturate.

// 2. the value of the parameter in the config store if set,
// 3. the default value,
//
// This function only works for a subset of sub-systems, others return
// `ValueSourceAbsent`. FIXME: some parameters have custom environment
// variables for which support needs to be added.
//
// When redactSecrets is true, the returned value is empty if the configuration

	setGlobalInternodeInterface(ctxt.Interface)

	globalTCPOptions = xhttp.TCPOptions{
		UserTimeout: int(ctxt.UserTimeout.Milliseconds()),
		// FIXME: Bring this back when we have valid way to handle deadlines
		//		DriveOPTimeout: globalDriveConfig.GetOPTimeout,
		Interface:   ctxt.Interface,
		SendBufSize: ctxt.SendBufSize,
		RecvBufSize: ctxt.RecvBufSize,

	}

	return nil
}

// A single function to write certain errors to be fatal
// or informative based on the `exit` flag, please look
// at each implementation of error for added hints.
//
// FIXME: This is an unusual function but serves its purpose for
// now, need to revisit the overall erroring structure here.
// Do not like it :-(
func logFatalErrs(err error, endpoint Endpoint, exit bool) {
	switch {

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	// Add ldap users which have mapped policies if in LDAP mode
	// FIXME(vadmeste): move this to policy info in the future
	ldapUsers, err := globalIAMSys.ListLDAPUsers(ctx)
	if err != nil && err != errIAMActionNotAllowed {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return