return nil, fmt.Errorf("directory %v does not exist and could not be created: %w", opts.Directory, err)
	}

	if opts.FileNameFunc == nil {
		opts.FileNameFunc = defaultFilenameFunc
	}

	pr, pw := xioutil.WaitPipe()

	w := &Writer{
		opts: opts,
		pw:   pw,
		pr:   pr,
	}

	if w.f == nil {
		if err := w.rotate(); err != nil {

)

func NewVersionCommand(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	var versionCmd *cobra.Command
	versionCmd = istioVersion.CobraCommandWithOptions(istioVersion.CobraOptions{
		GetRemoteVersion: getRemoteInfoWrapper(ctx, &versionCmd, &opts),
		GetProxyVersions: getProxyInfoWrapper(ctx, &opts),
	})
	opts.AttachControlPlaneFlags(versionCmd)

	versionCmd.Flags().VisitAll(func(flag *pflag.Flag) {

	// Bucket operations.
	MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error
	GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (bucketInfo BucketInfo, err error)
	ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error)
	DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error

func readDirWithOpts(dirPath string, opts readDirOpts) (entries []string, err error) {
	d, err := Open(dirPath)
	if err != nil {
		return nil, osErrToFileErr(err)
	}
	defer d.Close()

	maxEntries := 1000
	if opts.count > 0 && opts.count < maxEntries {
		maxEntries = opts.count
	}

	done := false
	remaining := opts.count

	for !done {
		// Read up to max number of entries.

  std::unique_ptr<TFE_ContextOptions, decltype(&TFE_DeleteContextOptions)> opts(
      TFE_NewContextOptions(), TFE_DeleteContextOptions);
  std::unique_ptr<TF_Buffer, decltype(&TF_DeleteBuffer)> config(
      TF_CreateConfig(
          /*enable_xla_compilation=*/false,
          /*gpu_memory_allow_growth=*/true, /*num_cpu_devices=*/2),
      TF_DeleteBuffer);
  TFE_ContextOptionsSetConfig(opts.get(), config->data, config->length,

	ListBuckets(ctx context.Context, opts BucketOptions) ([]BucketInfo, error)
	HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error)
	GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (BucketInfo, error)
	MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error
	DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error

	GetHost() string

			if localDrives[index] == nil {
				return errDiskNotFound
			}
			return localDrives[index].DeleteVol(ctx, bucket, opts.Force)
		}, index)
	}

	return reduceWriteQuorumErrs(ctx, g.Wait(), bucketOpIgnoredErrs, (len(localDrives)/2)+1)
}

func makeBucketLocal(ctx context.Context, bucket string, opts MakeBucketOptions) error {
	globalLocalDrivesMu.RLock()
	localDrives := cloneDrives(globalLocalDrivesMap)

	}
}

func getSRStatusOptions(r *http.Request) (opts madmin.SRStatusOptions) {
	q := r.Form
	opts.Buckets = q.Get("buckets") == "true"
	opts.Policies = q.Get("policies") == "true"
	opts.Groups = q.Get("groups") == "true"
	opts.Users = q.Get("users") == "true"
	opts.ILMExpiryRules = q.Get("ilm-expiry-rules") == "true"
	opts.PeerState = q.Get("peer-state") == "true"
	opts.Entity = madmin.GetSREntityType(q.Get("entity"))

}

func connect(socket string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption

	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
		var d net.Dialer
		return d.DialContext(ctx, "unix", socket)
	}))

	conn, err := grpc.Dial(socket, opts...)
	if err != nil {
		return nil, err
	}

	return conn, nil

			req := httptest.NewRequest("GET", "/test", nil)
			req.Header = testCase.headers

			opts, _ := getAndValidateAttributesOpts(ctx, rec, req, bucket, "testobject")

			if !reflect.DeepEqual(opts.ObjectAttributes, testCase.wantObjectAttrs) {
				t.Errorf("want opts %v, got %v", testCase.wantObjectAttrs, opts.ObjectAttributes)
			}
		})
	}