Golang units.BytesSize函数代码示例

func (s *containerStats) Display(w io.Writer) error {
	s.mu.RLock()
	defer s.mu.RUnlock()
	if s.err != nil {
		return s.err
	}
	fmt.Fprintf(w, "%s\t%.2f%%\t%s/%s\t%.2f%%\t%s/%s\n",
		s.Name,
		s.CPUPercentage,
		units.BytesSize(s.Memory), units.BytesSize(s.MemoryLimit),
		s.MemoryPercentage,
		units.BytesSize(s.NetworkRx), units.BytesSize(s.NetworkTx))
	return nil
}

// Info returns some info about the cluster, like nb or containers / images
func (c *Cluster) Info() [][]string {
	info := [][]string{
		{"\bStrategy", c.scheduler.Strategy()},
		{"\bFilters", c.scheduler.Filters()},
		{"\bNodes", fmt.Sprintf("%d", len(c.engines))},
	}

	engines := c.listEngines()
	sort.Sort(cluster.EngineSorter(engines))

	for _, engine := range engines {
		info = append(info, []string{engine.Name, engine.Addr})
		info = append(info, []string{" └ Containers", fmt.Sprintf("%d", len(engine.Containers()))})
		info = append(info, []string{" └ Reserved CPUs", fmt.Sprintf("%d / %d", engine.UsedCpus(), engine.TotalCpus())})
		info = append(info, []string{" └ Reserved Memory", fmt.Sprintf("%s / %s", units.BytesSize(float64(engine.UsedMemory())), units.BytesSize(float64(engine.TotalMemory())))})
		labels := make([]string, 0, len(engine.Labels))
		for k, v := range engine.Labels {
			labels = append(labels, k+"="+v)
		}
		sort.Strings(labels)
		info = append(info, []string{" └ Labels", fmt.Sprintf("%s", strings.Join(labels, ", "))})
	}

	return info
}

func PrintCommitInfo(w io.Writer, commitInfo *pfs.CommitInfo) {
	fmt.Fprintf(w, "%s\t", commitInfo.Commit.Id)
	if commitInfo.ParentCommit != nil {
		fmt.Fprintf(w, "%s\t", commitInfo.ParentCommit.Id)
	} else {
		fmt.Fprint(w, "<none>\t")
	}
	if commitInfo.CommitType == pfs.CommitType_COMMIT_TYPE_WRITE {
		fmt.Fprint(w, "writeable\t")
	} else {
		fmt.Fprint(w, "read-only\t")
	}
	fmt.Fprintf(
		w,
		"%s ago\t", units.HumanDuration(
			time.Since(
				prototime.TimestampToTime(
					commitInfo.Started,
				),
			),
		),
	)
	finished := "\t"
	if commitInfo.Finished != nil {
		finished = fmt.Sprintf("%s ago\t", units.HumanDuration(
			time.Since(
				prototime.TimestampToTime(
					commitInfo.Finished,
				),
			),
		))
	}
	fmt.Fprintf(w, finished)
	fmt.Fprintf(w, "%s\t\n", units.BytesSize(float64(commitInfo.SizeBytes)))
}

func (c *Cluster) Info() [][2]string {
	info := [][2]string{{"\bNodes", fmt.Sprintf("%d", len(c.nodes))}}

	for _, node := range c.nodes {
		info = append(info, [2]string{node.Name(), node.Addr()})
		info = append(info, [2]string{" └ Containers", fmt.Sprintf("%d", len(node.Containers()))})
		info = append(info, [2]string{" └ Reserved CPUs", fmt.Sprintf("%d / %d", node.UsedCpus(), node.TotalCpus())})
		info = append(info, [2]string{" └ Reserved Memory", fmt.Sprintf("%s / %s", units.BytesSize(float64(node.UsedMemory())), units.BytesSize(float64(node.TotalMemory())))})
	}

	return info
}

func PrintRepoInfo(w io.Writer, repoInfo *pfs.RepoInfo) {
	fmt.Fprintf(w, "%s\t", repoInfo.Repo.Name)
	fmt.Fprintf(
		w,
		"%s ago\t", units.HumanDuration(
			time.Since(
				prototime.TimestampToTime(
					repoInfo.Created,
				),
			),
		),
	)
	fmt.Fprintf(w, "%s\t\n", units.BytesSize(float64(repoInfo.SizeBytes)))
}

func PrintBlockInfo(w io.Writer, blockInfo *drive.BlockInfo) {
	fmt.Fprintf(w, "%s\t", blockInfo.Block.Hash)
	fmt.Fprintf(
		w,
		"%s ago\t", units.HumanDuration(
			time.Since(
				prototime.TimestampToTime(
					blockInfo.Created,
				),
			),
		),
	)
	fmt.Fprintf(w, "%s\t\n", units.BytesSize(float64(blockInfo.SizeBytes)))
}

func formatResource(resource *mesosproto.Resource) string {
	switch resource.GetType() {
	case mesosproto.Value_SCALAR:
		if resource.GetName() == "disk" || resource.GetName() == "mem" {
			return units.BytesSize(resource.GetScalar().GetValue() * 1024 * 1024)
		}
		return fmt.Sprintf("%d", int(resource.GetScalar().GetValue()))

	case mesosproto.Value_RANGES:
		var ranges []string
		for _, r := range resource.GetRanges().GetRange() {
			ranges = append(ranges, fmt.Sprintf("%d-%d", r.GetBegin(), r.GetEnd()))
		}
		return strings.Join(ranges, ", ")
	}
	return "?"
}

func PrintFileInfo(w io.Writer, fileInfo *pfs.FileInfo) {
	fmt.Fprintf(w, "%s\t", fileInfo.Path.Path)
	if fileInfo.FileType == pfs.FileType_FILE_TYPE_REGULAR {
		fmt.Fprint(w, "file\t")
	} else {
		fmt.Fprint(w, "dir\t")
	}
	fmt.Fprintf(
		w,
		"%s ago\t", units.HumanDuration(
			time.Since(
				prototime.TimestampToTime(
					fileInfo.LastModified,
				),
			),
		),
	)
	fmt.Fprint(w, "-\t")
	fmt.Fprintf(w, "%s\t", units.BytesSize(float64(fileInfo.SizeBytes)))
	fmt.Fprintf(w, "%4d\t\n", fileInfo.Perm)
}

// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
	cmd := cli.Subcmd("info", nil, "Display system-wide information", true)
	cmd.Require(flag.Exact, 0)
	cmd.ParseFlags(args, true)

	rdr, _, _, err := cli.call("GET", "/info", nil, nil)
	if err != nil {
		return err
	}

	defer rdr.Close()

	info := &types.Info{}
	if err := json.NewDecoder(rdr).Decode(info); err != nil {
		return fmt.Errorf("Error reading remote info: %v", err)
	}

	fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
	fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
	ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
	if info.DriverStatus != nil {
		for _, pair := range info.DriverStatus {
			fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
		}
	}
	ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
	fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
	fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
	ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
	ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)

	if info.Debug {
		fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
		fmt.Fprintf(cli.out, "File Descriptors: %d\n", info.NFd)
		fmt.Fprintf(cli.out, "Goroutines: %d\n", info.NGoroutines)
		fmt.Fprintf(cli.out, "System Time: %s\n", info.SystemTime)
		fmt.Fprintf(cli.out, "EventsListeners: %d\n", info.NEventsListener)
		fmt.Fprintf(cli.out, "Init SHA1: %s\n", info.InitSha1)
		fmt.Fprintf(cli.out, "Init Path: %s\n", info.InitPath)
		fmt.Fprintf(cli.out, "Docker Root Dir: %s\n", info.DockerRootDir)
	}

	ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HttpProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HttpsProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)

	if info.IndexServerAddress != "" {
		u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
		if len(u) > 0 {
			fmt.Fprintf(cli.out, "Username: %v\n", u)
			fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
		}
	}
	if !info.MemoryLimit {
		fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
	}
	if !info.SwapLimit {
		fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
	}
	if !info.IPv4Forwarding {
		fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n")
	}
	if !info.BridgeNfIptables {
		fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-iptables is disabled\n")
	}
	if !info.BridgeNfIp6tables {
		fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled\n")
	}
	if info.Labels != nil {
		fmt.Fprintln(cli.out, "Labels:")
		for _, attribute := range info.Labels {
			fmt.Fprintf(cli.out, " %s\n", attribute)
		}
	}

	if info.ExperimentalBuild {
		fmt.Fprintf(cli.out, "Experimental: true\n")
	}

	return nil
}

// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
	cmd := cli.Subcmd("info", "", "Display system-wide information", true)
	cmd.Require(flag.Exact, 0)
	cmd.ParseFlags(args, false)

	body, _, err := readBody(cli.call("GET", "/info", nil, nil))
	if err != nil {
		return err
	}

	out := engine.NewOutput()
	remoteInfo, err := out.AddEnv()
	if err != nil {
		return err
	}

	if _, err := out.Write(body); err != nil {
		logrus.Errorf("Error reading remote info: %s", err)
		return err
	}
	out.Close()

	if remoteInfo.Exists("Containers") {
		fmt.Fprintf(cli.out, "Containers: %d\n", remoteInfo.GetInt("Containers"))
	}
	if remoteInfo.Exists("Images") {
		fmt.Fprintf(cli.out, "Images: %d\n", remoteInfo.GetInt("Images"))
	}
	if remoteInfo.Exists("Driver") {
		fmt.Fprintf(cli.out, "Storage Driver: %s\n", remoteInfo.Get("Driver"))
	}
	if remoteInfo.Exists("DriverStatus") {
		var driverStatus [][2]string
		if err := remoteInfo.GetJson("DriverStatus", &driverStatus); err != nil {
			return err
		}
		for _, pair := range driverStatus {
			fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
		}
	}
	if remoteInfo.Exists("ExecutionDriver") {
		fmt.Fprintf(cli.out, "Execution Driver: %s\n", remoteInfo.Get("ExecutionDriver"))
	}
	if remoteInfo.Exists("LoggingDriver") {
		fmt.Fprintf(cli.out, "Logging Driver: %s\n", remoteInfo.Get("LoggingDriver"))
	}
	if remoteInfo.Exists("KernelVersion") {
		fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion"))
	}
	if remoteInfo.Exists("OperatingSystem") {
		fmt.Fprintf(cli.out, "Operating System: %s\n", remoteInfo.Get("OperatingSystem"))
	}
	if remoteInfo.Exists("NCPU") {
		fmt.Fprintf(cli.out, "CPUs: %d\n", remoteInfo.GetInt("NCPU"))
	}
	if remoteInfo.Exists("MemTotal") {
		fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(remoteInfo.GetInt64("MemTotal"))))
	}
	if remoteInfo.Exists("Name") {
		fmt.Fprintf(cli.out, "Name: %s\n", remoteInfo.Get("Name"))
	}
	if remoteInfo.Exists("ID") {
		fmt.Fprintf(cli.out, "ID: %s\n", remoteInfo.Get("ID"))
	}

	if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" {
		if remoteInfo.Exists("Debug") {
			fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug"))
		}
		fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "")
		if remoteInfo.Exists("NFd") {
			fmt.Fprintf(cli.out, "File Descriptors: %d\n", remoteInfo.GetInt("NFd"))
		}
		if remoteInfo.Exists("NGoroutines") {
			fmt.Fprintf(cli.out, "Goroutines: %d\n", remoteInfo.GetInt("NGoroutines"))
		}
		if remoteInfo.Exists("SystemTime") {
			t, err := remoteInfo.GetTime("SystemTime")
			if err != nil {
				logrus.Errorf("Error reading system time: %v", err)
			} else {
				fmt.Fprintf(cli.out, "System Time: %s\n", t.Format(time.UnixDate))
			}
		}
		if remoteInfo.Exists("NEventsListener") {
			fmt.Fprintf(cli.out, "EventsListeners: %d\n", remoteInfo.GetInt("NEventsListener"))
		}
		if initSha1 := remoteInfo.Get("InitSha1"); initSha1 != "" {
			fmt.Fprintf(cli.out, "Init SHA1: %s\n", initSha1)
		}
		if initPath := remoteInfo.Get("InitPath"); initPath != "" {
			fmt.Fprintf(cli.out, "Init Path: %s\n", initPath)
		}
		if root := remoteInfo.Get("DockerRootDir"); root != "" {
			fmt.Fprintf(cli.out, "Docker Root Dir: %s\n", root)
		}
	}
//.........这里部分代码省略.........

// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
	cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	info, err := cli.client.Info()
	if err != nil {
		return err
	}

	fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
	fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
	ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
	if info.DriverStatus != nil {
		for _, pair := range info.DriverStatus {
			fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])

			// print a warning if devicemapper is using a loopback file
			if pair[0] == "Data loop file" {
				fmt.Fprintln(cli.err, " WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.")
			}
		}

	}
	ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)

	fmt.Fprintf(cli.out, "Plugins: \n")
	fmt.Fprintf(cli.out, " Volume:")
	for _, driver := range info.Plugins.Volume {
		fmt.Fprintf(cli.out, " %s", driver)
	}
	fmt.Fprintf(cli.out, "\n")
	fmt.Fprintf(cli.out, " Network:")
	for _, driver := range info.Plugins.Network {
		fmt.Fprintf(cli.out, " %s", driver)
	}
	fmt.Fprintf(cli.out, "\n")

	ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
	ioutils.FprintfIfNotEmpty(cli.out, "OSType: %s\n", info.OSType)
	ioutils.FprintfIfNotEmpty(cli.out, "Architecture: %s\n", info.Architecture)
	fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
	fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
	ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
	ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)

	if info.Debug {
		fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
		fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
		fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
		fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
		fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
		fmt.Fprintf(cli.out, " Init SHA1: %s\n", info.InitSha1)
		fmt.Fprintf(cli.out, " Init Path: %s\n", info.InitPath)
		fmt.Fprintf(cli.out, " Docker Root Dir: %s\n", info.DockerRootDir)
	}

	ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)

	if info.IndexServerAddress != "" {
		u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
		if len(u) > 0 {
			fmt.Fprintf(cli.out, "Username: %v\n", u)
			fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
		}
	}

	// Only output these warnings if the server does not support these features
	if info.OSType != "windows" {
		if !info.MemoryLimit {
			fmt.Fprintln(cli.err, "WARNING: No memory limit support")
		}
		if !info.SwapLimit {
			fmt.Fprintln(cli.err, "WARNING: No swap limit support")
		}
		if !info.OomKillDisable {
			fmt.Fprintln(cli.err, "WARNING: No oom kill disable support")
		}
		if !info.CPUCfsQuota {
			fmt.Fprintln(cli.err, "WARNING: No cpu cfs quota support")
		}
		if !info.CPUCfsPeriod {
			fmt.Fprintln(cli.err, "WARNING: No cpu cfs period support")
		}
		if !info.CPUShares {
			fmt.Fprintln(cli.err, "WARNING: No cpu shares support")
		}
		if !info.CPUSet {
			fmt.Fprintln(cli.err, "WARNING: No cpuset support")
		}
		if !info.IPv4Forwarding {
//.........这里部分代码省略.........

// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
	cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	serverResp, err := cli.call("GET", "/info", nil, nil)
	if err != nil {
		return err
	}

	defer serverResp.body.Close()

	info := &types.Info{}
	if err := json.NewDecoder(serverResp.body).Decode(info); err != nil {
		return fmt.Errorf("Error reading remote info: %v", err)
	}

	fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
	fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
	ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
	if info.DriverStatus != nil {
		for _, pair := range info.DriverStatus {
			fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
		}
	}
	ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
	fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
	fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
	ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
	ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)

	if info.Debug {
		fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
		fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
		fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
		fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
		fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
		fmt.Fprintf(cli.out, " Init SHA1: %s\n", info.InitSha1)
		fmt.Fprintf(cli.out, " Init Path: %s\n", info.InitPath)
		fmt.Fprintf(cli.out, " Docker Root Dir: %s\n", info.DockerRootDir)
	}

	ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)

	if info.IndexServerAddress != "" {
		u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
		if len(u) > 0 {
			fmt.Fprintf(cli.out, "Username: %v\n", u)
			fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
		}
	}

	// Only output these warnings if the server does not support these features
	if h, err := httputils.ParseServerHeader(serverResp.header.Get("Server")); err == nil {
		if h.OS != "windows" {
			if !info.MemoryLimit {
				fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
			}
			if !info.SwapLimit {
				fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
			}
			if !info.IPv4Forwarding {
				fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled\n")
			}
			if !info.BridgeNfIptables {
				fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-iptables is disabled\n")
			}
			if !info.BridgeNfIP6tables {
				fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled\n")
			}
		}
	}

	if info.Labels != nil {
		fmt.Fprintln(cli.out, "Labels:")
		for _, attribute := range info.Labels {
			fmt.Fprintf(cli.out, " %s\n", attribute)
		}
	}

	ioutils.FprintfIfTrue(cli.out, "Experimental: %v\n", info.ExperimentalBuild)
	if info.ClusterStore != "" {
		fmt.Fprintf(cli.out, "Cluster store: %s\n", info.ClusterStore)
	}

	if info.ClusterAdvertise != "" {
		fmt.Fprintf(cli.out, "Cluster advertise: %s\n", info.ClusterAdvertise)
	}
	return nil
}

func PrintChange(w io.Writer, change *pfs.Change) {
	fmt.Fprintf(w, "%s\t", change.File.Path)
	fmt.Fprintf(w, "%s\t", units.BytesSize(float64(change.OffsetBytes)))
	fmt.Fprintf(w, "%s\t\n", units.BytesSize(float64(change.SizeBytes)))
}