case *bytes.Buffer:
			req.ContentLength = int64(v.Len())
			buf := v.Bytes()
			req.GetBody = func() (io.ReadCloser, error) {
				r := bytes.NewReader(buf)
				return io.NopCloser(r), nil
			}
		case *bytes.Reader:
			req.ContentLength = int64(v.Len())
			snapshot := *v
			req.GetBody = func() (io.ReadCloser, error) {
				r := snapshot
				return io.NopCloser(&r), nil
			}

func checkPutObjectLockAllowed(ctx context.Context, rq *http.Request, bucket, object string, getObjectInfoFn GetObjectInfoFn, retentionPermErr, legalHoldPermErr APIErrorCode) (objectlock.RetMode, objectlock.RetentionDate, objectlock.ObjectLegalHold, APIErrorCode) {
	var mode objectlock.RetMode
	var retainDate objectlock.RetentionDate
	var legalHold objectlock.ObjectLegalHold

	retentionRequested := objectlock.IsObjectLockRetentionRequested(rq.Header)

	CmdLine      string
	Platform     string
}

// EndpointServerPools - list of list of endpoints
type EndpointServerPools []PoolEndpoints

// GetNodes returns a sorted list of nodes in this cluster
func (l EndpointServerPools) GetNodes() (nodes []Node) {
	nodesMap := make(map[string]Node)
	for _, pool := range l {
		for _, ep := range pool.Endpoints {
			node, ok := nodesMap[ep.Host]
			if !ok {

	globalEndpoints, setupType, err = createServerEndpoints(globalMinioAddr, ctxt.Layout.pools, ctxt.Layout.legacy)
	logger.FatalIf(err, "Invalid command line arguments")
	globalNodes = globalEndpoints.GetNodes()

	globalIsErasure = (setupType == ErasureSetupType)
	globalIsDistErasure = (setupType == DistErasureSetupType)
	if globalIsDistErasure {
		globalIsErasure = true
	}