commands

package
v0.0.0-...-bafe949 Latest Latest
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 Go to latest Published: Mar 10, 2022 License: MIT Imports: 60 Imported by: 0

Documentation

Overview

Package commands implements the IPFS command interface

Using github.com/ipfs/go-ipfs/commands to define the command line and HTTP APIs. This is the interface available to folks consuming IPFS from outside of the Go language.

Index

Constants

This section is empty.

Variables

View Source 
var AddCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Add an object to ipfs.",
		ShortDescription: `
Adds contents of <path> to ipfs. Use -r to add directories.
Note that directories are added recursively, to form the ipfs
MerkleDAG. A smarter partial add with a staging area (like git)
remains to be implemented.
`,
	},

	Arguments: []cmds.Argument{
		cmds.FileArg("path", true, true, "The path to a file to be added to IPFS").EnableRecursive().EnableStdin(),
	},
	Options: []cmds.Option{
		cmds.OptionRecursivePath,
		cmds.BoolOption("quiet", "q", "Write minimal output"),
		cmds.BoolOption(progressOptionName, "p", "Stream progress data"),
		cmds.BoolOption(wrapOptionName, "w", "Wrap files with a directory object"),
		cmds.BoolOption("t", "trickle", "Use trickle-dag format for dag generation"),
	},
	PreRun: func(req cmds.Request) error {
		if quiet, _, _ := req.Option("quiet").Bool(); quiet {
			return nil
		}

		req.SetOption(progressOptionName, true)

		sizeFile, ok := req.Files().(files.SizeFile)
		if !ok {

			return nil
		}

		size, err := sizeFile.Size()
		if err != nil {

			return nil
		}
		log.Debugf("Total size of file being added: %v\n", size)
		req.Values()["size"] = size

		return nil
	},
	Run: func(req cmds.Request, res cmds.Response) {
		n, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		progress, _, _ := req.Option(progressOptionName).Bool()
		wrap, _, _ := req.Option(wrapOptionName).Bool()

		outChan := make(chan interface{})
		res.SetOutput((<-chan interface{})(outChan))

		go func() {
			defer close(outChan)

			for {
				file, err := req.Files().NextFile()
				if err != nil && err != io.EOF {
					res.SetError(err, cmds.ErrNormal)
					return
				}
				if file == nil {
					return
				}

				rootnd, err := addFile(n, file, outChan, progress, wrap)
				if err != nil {
					res.SetError(err, cmds.ErrNormal)
					return
				}

				err = n.Pinning.Pin(context.Background(), rootnd, true)
				if err != nil {
					res.SetError(err, cmds.ErrNormal)
					return
				}

				err = n.Pinning.Flush()
				if err != nil {
					res.SetError(err, cmds.ErrNormal)
					return
				}
			}
		}()
	},
	PostRun: func(req cmds.Request, res cmds.Response) {
		if res.Error() != nil {
			return
		}
		outChan, ok := res.Output().(<-chan interface{})
		if !ok {
			res.SetError(u.ErrCast(), cmds.ErrNormal)
			return
		}
		res.SetOutput(nil)

		quiet, _, err := req.Option("quiet").Bool()
		if err != nil {
			res.SetError(u.ErrCast(), cmds.ErrNormal)
			return
		}

		size := int64(0)
		s, found := req.Values()["size"]
		if found {
			size = s.(int64)
		}
		showProgressBar := !quiet && size >= progressBarMinSize

		var bar *pb.ProgressBar
		var terminalWidth int
		if showProgressBar {
			bar = pb.New64(size).SetUnits(pb.U_BYTES)
			bar.ManualUpdate = true
			bar.Start()

			terminalWidth = 0
			bar.Callback = func(line string) {
				terminalWidth = len(line)
				bar.Callback = nil
				bar.Output = res.Stderr()
				log.Infof("terminal width: %v\n", terminalWidth)
			}
			bar.Update()
		}

		lastFile := ""
		var totalProgress, prevFiles, lastBytes int64

		for out := range outChan {
			output := out.(*AddedObject)
			if len(output.Hash) > 0 {
				if showProgressBar {

					fmt.Fprintf(res.Stderr(), "\r%s\r", strings.Repeat(" ", terminalWidth))
				}
				if quiet {
					fmt.Fprintf(res.Stdout(), "%s\n", output.Hash)
				} else {
					fmt.Fprintf(res.Stdout(), "added %s %s\n", output.Hash, output.Name)
				}

			} else {
				log.Debugf("add progress: %v %v\n", output.Name, output.Bytes)

				if !showProgressBar {
					continue
				}

				if len(lastFile) == 0 {
					lastFile = output.Name
				}
				if output.Name != lastFile || output.Bytes < lastBytes {
					prevFiles += lastBytes
					lastFile = output.Name
				}
				lastBytes = output.Bytes
				delta := prevFiles + lastBytes - totalProgress
				totalProgress = bar.Add64(delta)
			}

			if showProgressBar {
				bar.Update()
			}
		}
	},
	Type: AddedObject{},
}
View Source 
var BitswapCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline:          "A set of commands to manipulate the bitswap agent",
		ShortDescription: ``,
	},
	Subcommands: map[string]*cmds.Command{
		"wantlist": showWantlistCmd,
		"stat":     bitswapStatCmd,
	},
}
View Source 
var BlockCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Manipulate raw IPFS blocks",
		ShortDescription: `
'ipfs block' is a plumbing command used to manipulate raw ipfs blocks.
Reads from stdin or writes to stdout, and <key> is a base58 encoded
multihash.
`,
	},

	Subcommands: map[string]*cmds.Command{
		"stat": blockStatCmd,
		"get":  blockGetCmd,
		"put":  blockPutCmd,
	},
}
View Source 
var BootstrapCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Show or edit the list of bootstrap peers",
		Synopsis: `
ipfs bootstrap list             - Show peers in the bootstrap list
ipfs bootstrap add <peer>...    - Add peers to the bootstrap list
ipfs bootstrap rm <peer>... - Removes peers from the bootstrap list
`,
		ShortDescription: `
Running 'ipfs bootstrap' with no arguments will run 'ipfs bootstrap list'.
` + bootstrapSecurityWarning,
	},

	Run:        bootstrapListCmd.Run,
	Marshalers: bootstrapListCmd.Marshalers,
	Type:       bootstrapListCmd.Type,

	Subcommands: map[string]*cmds.Command{
		"list": bootstrapListCmd,
		"add":  bootstrapAddCmd,
		"rm":   bootstrapRemoveCmd,
	},
}
View Source 
var CatCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Show IPFS object data",
		ShortDescription: `
Retrieves the object named by <ipfs-or-ipns-path> and outputs the data
it contains.
`,
	},

	Arguments: []cmds.Argument{
		cmds.StringArg("ipfs-path", true, true, "The path to the IPFS object(s) to be outputted").EnableStdin(),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		node, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		readers, length, err := cat(req.Context().Context, node, req.Arguments())
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		res.SetLength(length)

		reader := io.MultiReader(readers...)
		res.SetOutput(reader)
	},
	PostRun: func(req cmds.Request, res cmds.Response) {
		if res.Length() < progressBarMinSize {
			return
		}

		bar := pb.New(int(res.Length())).SetUnits(pb.U_BYTES)
		bar.Output = res.Stderr()
		bar.Start()

		reader := bar.NewProxyReader(res.Output().(io.Reader))
		res.SetOutput(reader)
	},
}
View Source 
var CommandsDaemonCmd = CommandsCmd(Root)

commandsDaemonCmd is the "ipfs commands" command for daemon

View Source 
var ConfigCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "get and set IPFS config values",
		Synopsis: `
ipfs config <key>          - Get value of <key>
ipfs config <key> <value>  - Set value of <key> to <value>
ipfs config show           - Show config file
ipfs config edit           - Edit config file in $EDITOR
ipfs config replace <file> - Replaces the config file with <file>
`,
		ShortDescription: `
ipfs config controls configuration variables. It works like 'git config'.
The configuration values are stored in a config file inside your IPFS
repository.`,
		LongDescription: `
ipfs config controls configuration variables. It works
much like 'git config'. The configuration values are stored in a config
file inside your IPFS repository.

EXAMPLES:

Get the value of the 'datastore.path' key:

  ipfs config datastore.path

Set the value of the 'datastore.path' key:

  ipfs config datastore.path ~/.ipfs/datastore
`,
	},

	Arguments: []cmds.Argument{
		cmds.StringArg("key", true, false, "The key of the config entry (e.g. \"Addresses.API\")"),
		cmds.StringArg("value", false, false, "The value to set the config entry to"),
	},
	Options: []cmds.Option{
		cmds.BoolOption("bool", "Set a boolean value"),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		args := req.Arguments()
		key := args[0]

		r, err := fsrepo.Open(req.Context().ConfigRoot)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		defer r.Close()

		var output *ConfigField
		if len(args) == 2 {
			value := args[1]
			if isbool, _, _ := req.Option("bool").Bool(); isbool {
				output, err = setConfig(r, key, value == "true")
			} else {
				output, err = setConfig(r, key, value)
			}
		} else {
			output, err = getConfig(r, key)
		}
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		res.SetOutput(output)
	},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {
			if len(res.Request().Arguments()) == 2 {
				return nil, nil
			}

			v := res.Output()
			if v == nil {
				k := res.Request().Arguments()[0]
				return nil, fmt.Errorf("config does not contain key: %s", k)
			}
			vf, ok := v.(*ConfigField)
			if !ok {
				return nil, u.ErrCast()
			}

			buf, err := config.HumanOutput(vf.Value)
			if err != nil {
				return nil, err
			}
			buf = append(buf, byte('\n'))
			return bytes.NewReader(buf), nil
		},
	},
	Type: ConfigField{},
	Subcommands: map[string]*cmds.Command{
		"show":    configShowCmd,
		"edit":    configEditCmd,
		"replace": configReplaceCmd,
	},
}
View Source 
var DefaultDiagnosticTimeout = time.Second * 20
View Source 
var DhtCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline:          "Issue commands directly through the DHT",
		ShortDescription: ``,
	},

	Subcommands: map[string]*cmds.Command{
		"query":     queryDhtCmd,
		"findprovs": findProvidersDhtCmd,
		"findpeer":  findPeerDhtCmd,
		"get":       getValueDhtCmd,
		"put":       putValueDhtCmd,
	},
}
View Source 
var DiagCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Generates diagnostic reports",
	},

	Subcommands: map[string]*cmds.Command{
		"net": diagNetCmd,
	},
}
View Source 
var ErrDepthLimitExceeded = fmt.Errorf("depth limit exceeded")

Error indicating the max depth has been exceded.

View Source 
var ErrEmptyNode = errors.New("no data or links in this node")

ErrEmptyNode is returned when the input to 'ipfs object put' contains no data

View Source 
var ErrInvalidCompressionLevel = errors.New("Compression level must be between 1 and 9")
View Source 
var ErrNotDHT = errors.New("routing service is not a DHT")
View Source 
var ErrObjectTooLarge = errors.New("input object was too large. limit is 512kbytes")

ErrObjectTooLarge is returned when too much data was read from stdin. current limit 512k

View Source 
var ErrUnknownObjectEnc = errors.New("unknown object encoding")

ErrUnknownObjectEnc is returned if a invalid encoding is supplied

View Source 
var GetCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Download IPFS objects",
		ShortDescription: `
Retrieves the object named by <ipfs-or-ipns-path> and stores the data to disk.

By default, the output will be stored at ./<ipfs-path>, but an alternate path
can be specified with '--output=<path>' or '-o=<path>'.

To output a TAR archive instead of unpacked files, use '--archive' or '-a'.

To compress the output with GZIP compression, use '--compress' or '-C'. You
may also specify the level of compression by specifying '-l=<1-9>'.
`,
	},

	Arguments: []cmds.Argument{
		cmds.StringArg("ipfs-path", true, false, "The path to the IPFS object(s) to be outputted").EnableStdin(),
	},
	Options: []cmds.Option{
		cmds.StringOption("output", "o", "The path where output should be stored"),
		cmds.BoolOption("archive", "a", "Output a TAR archive"),
		cmds.BoolOption("compress", "C", "Compress the output with GZIP compression"),
		cmds.IntOption("compression-level", "l", "The level of compression (1-9)"),
	},
	PreRun: func(req cmds.Request) error {
		_, err := getCompressOptions(req)
		return err
	},
	Run: func(req cmds.Request, res cmds.Response) {
		cmplvl, err := getCompressOptions(req)
		if err != nil {
			res.SetError(err, cmds.ErrClient)
			return
		}

		node, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		reader, err := get(node, req.Arguments()[0], cmplvl)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		res.SetOutput(reader)
	},
	PostRun: func(req cmds.Request, res cmds.Response) {
		if res.Output() == nil {
			return
		}
		outReader := res.Output().(io.Reader)
		res.SetOutput(nil)

		outPath, _, _ := req.Option("output").String()
		if len(outPath) == 0 {
			_, outPath = gopath.Split(req.Arguments()[0])
			outPath = gopath.Clean(outPath)
		}

		cmplvl, err := getCompressOptions(req)
		if err != nil {
			res.SetError(err, cmds.ErrClient)
			return
		}

		if archive, _, _ := req.Option("archive").Bool(); archive {
			if !strings.HasSuffix(outPath, ".tar") {
				outPath += ".tar"
			}
			if cmplvl != gzip.NoCompression {
				outPath += ".gz"
			}
			fmt.Printf("Saving archive to %s\n", outPath)

			file, err := os.Create(outPath)
			if err != nil {
				res.SetError(err, cmds.ErrNormal)
				return
			}
			defer file.Close()

			bar := pb.New(0).SetUnits(pb.U_BYTES)
			bar.Output = os.Stderr
			pbReader := bar.NewProxyReader(outReader)
			bar.Start()
			defer bar.Finish()

			_, err = io.Copy(file, pbReader)
			if err != nil {
				res.SetError(err, cmds.ErrNormal)
				return
			}

			return
		}

		fmt.Printf("Saving file(s) to %s\n", outPath)

		bar := pb.New(0).SetUnits(pb.U_BYTES)
		bar.Output = os.Stderr

		// wrap the reader with the progress bar proxy reader
		// if the output is compressed, also wrap it in a gzip.Reader
		var reader io.Reader
		if cmplvl != gzip.NoCompression {
			gzipReader, err := gzip.NewReader(outReader)
			if err != nil {
				res.SetError(err, cmds.ErrNormal)
				return
			}
			defer gzipReader.Close()
			reader = bar.NewProxyReader(gzipReader)
		} else {
			reader = bar.NewProxyReader(outReader)
		}

		bar.Start()
		defer bar.Finish()

		extractor := &tar.Extractor{outPath}
		err = extractor.Extract(reader)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
		}
	},
}
View Source 
var IDCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Show IPFS Node ID info",
		ShortDescription: `
Prints out information about the specified peer,
if no peer is specified, prints out local peers info.

ipfs id supports the format option for output with the following keys:
<id> : the peers id
<aver>: agent version
<pver>: protocol version
<pubkey>: public key
`,
	},
	Arguments: []cmds.Argument{
		cmds.StringArg("peerid", false, false, "peer.ID of node to look up").EnableStdin(),
	},
	Options: []cmds.Option{
		cmds.StringOption("f", "format", "optional output format"),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		node, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		if len(req.Arguments()) == 0 {
			output, err := printSelf(node)
			if err != nil {
				res.SetError(err, cmds.ErrNormal)
				return
			}
			res.SetOutput(output)
			return
		}

		pid := req.Arguments()[0]

		id := peer.ID(b58.Decode(pid))
		if len(id) == 0 {
			res.SetError(cmds.ClientError("Invalid peer id"), cmds.ErrClient)
			return
		}

		if !node.OnlineMode() {
			res.SetError(errors.New(offlineIdErrorMessage), cmds.ErrClient)
			return
		}

		p, err := node.Routing.FindPeer(req.Context().Context, id)
		if err == kb.ErrLookupFailure {
			res.SetError(errors.New(offlineIdErrorMessage), cmds.ErrClient)
			return
		}
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		output, err := printPeer(node.Peerstore, p.ID)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		res.SetOutput(output)
	},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {
			val, ok := res.Output().(*IdOutput)
			if !ok {
				return nil, u.ErrCast()
			}

			format, found, err := res.Request().Option("format").String()
			if err != nil {
				return nil, err
			}
			if found {
				output := format
				output = strings.Replace(output, "<id>", val.ID, -1)
				output = strings.Replace(output, "<aver>", val.AgentVersion, -1)
				output = strings.Replace(output, "<pver>", val.ProtocolVersion, -1)
				output = strings.Replace(output, "<pubkey>", val.PublicKey, -1)
				return strings.NewReader(output), nil
			} else {

				marshaled, err := json.MarshalIndent(val, "", "\t")
				if err != nil {
					return nil, err
				}
				return bytes.NewReader(marshaled), nil
			}
		},
	},
	Type: IdOutput{},
}
View Source 
var LogCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Interact with the daemon log output",
		ShortDescription: `
'ipfs log' contains utility commands to affect or read the logging
output of a running daemon.
`,
	},

	Subcommands: map[string]*cmds.Command{
		"level": logLevelCmd,
		"tail":  logTailCmd,
	},
}
View Source 
var LsCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "List links from an object.",
		ShortDescription: `
Retrieves the object named by <ipfs-or-ipns-path> and displays the links
it contains, with the following format:

  <link base58 hash> <link size in bytes> <link name>
`,
	},

	Arguments: []cmds.Argument{
		cmds.StringArg("ipfs-path", true, true, "The path to the IPFS object(s) to list links from").EnableStdin(),
	},
	Options: []cmds.Option{
		cmds.BoolOption("headers", "", "Print table headers (Hash, Name, Size)"),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		node, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		if _, _, err := req.Option("headers").Bool(); err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		paths := req.Arguments()

		dagnodes := make([]*merkledag.Node, 0)
		for _, fpath := range paths {
			dagnode, err := core.Resolve(node, path.Path(fpath))
			if err != nil {
				res.SetError(err, cmds.ErrNormal)
				return
			}
			dagnodes = append(dagnodes, dagnode)
		}

		output := make([]LsObject, len(req.Arguments()))
		for i, dagnode := range dagnodes {
			output[i] = LsObject{
				Hash:  paths[i],
				Links: make([]LsLink, len(dagnode.Links)),
			}
			for j, link := range dagnode.Links {
				ctx, cancel := context.WithTimeout(context.TODO(), time.Minute)
				defer cancel()
				link.Node, err = link.GetNode(ctx, node.DAG)
				if err != nil {
					res.SetError(err, cmds.ErrNormal)
					return
				}
				d, err := unixfs.FromBytes(link.Node.Data)
				if err != nil {
					res.SetError(err, cmds.ErrNormal)
					return
				}
				output[i].Links[j] = LsLink{
					Name: link.Name,
					Hash: link.Hash.B58String(),
					Size: link.Size,
					Type: d.GetType(),
				}
			}
		}

		res.SetOutput(&LsOutput{output})
	},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {

			headers, _, _ := res.Request().Option("headers").Bool()
			output := res.Output().(*LsOutput)
			var buf bytes.Buffer
			w := tabwriter.NewWriter(&buf, 1, 2, 1, ' ', 0)
			for _, object := range output.Objects {
				if len(output.Objects) > 1 {
					fmt.Fprintf(w, "%s:\n", object.Hash)
				}
				if headers {
					fmt.Fprintln(w, "Hash\tSize\tName\t")
				}
				for _, link := range object.Links {
					if link.Type == unixfspb.Data_Directory {
						link.Name += "/"
					}
					fmt.Fprintf(w, "%s\t%v\t%s\t\n", link.Hash, link.Size, link.Name)
				}
				if len(output.Objects) > 1 {
					fmt.Fprintln(w)
				}
			}
			w.Flush()

			return &buf, nil
		},
	},
	Type: LsOutput{},
}
View Source 
var MountCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Mounts IPFS to the filesystem (read-only)",
		Synopsis: `
ipfs mount [-f <ipfs mount path>] [-n <ipns mount path>]
`,
		ShortDescription: `
Mount ipfs at a read-only mountpoint on the OS (default: /ipfs and /ipns).
All ipfs objects will be accessible under that directory. Note that the
root will not be listable, as it is virtual. Access known paths directly.

You may have to create /ipfs and /ipfs before using 'ipfs mount':

> sudo mkdir /ipfs /ipns
> sudo chown ` + "`" + `whoami` + "`" + ` /ipfs /ipns
> ipfs daemon &
> ipfs mount
`,
		LongDescription: `
Mount ipfs at a read-only mountpoint on the OS (default: /ipfs and /ipns).
All ipfs objects will be accessible under that directory. Note that the
root will not be listable, as it is virtual. Access known paths directly.

You may have to create /ipfs and /ipfs before using 'ipfs mount':

> sudo mkdir /ipfs /ipns
> sudo chown ` + "`" + `whoami` + "`" + ` /ipfs /ipns
> ipfs daemon &
> ipfs mount

EXAMPLE:

# setup
> mkdir foo
> echo "baz" > foo/bar
> ipfs add -r foo
added QmWLdkp93sNxGRjnFHPaYg8tCQ35NBY3XPn6KiETd3Z4WR foo/bar
added QmSh5e7S6fdcu75LAbXNZAFY2nGyZUJXyLCJDvn2zRkWyC foo
> ipfs ls QmSh5e7S6fdcu75LAbXNZAFY2nGyZUJXyLCJDvn2zRkWyC
QmWLdkp93sNxGRjnFHPaYg8tCQ35NBY3XPn6KiETd3Z4WR 12 bar
> ipfs cat QmWLdkp93sNxGRjnFHPaYg8tCQ35NBY3XPn6KiETd3Z4WR
baz

# mount
> ipfs daemon &
> ipfs mount
IPFS mounted at: /ipfs
IPNS mounted at: /ipns
> cd /ipfs/QmSh5e7S6fdcu75LAbXNZAFY2nGyZUJXyLCJDvn2zRkWyC
> ls
bar
> cat bar
baz
> cat /ipfs/QmSh5e7S6fdcu75LAbXNZAFY2nGyZUJXyLCJDvn2zRkWyC/bar
baz
> cat /ipfs/QmWLdkp93sNxGRjnFHPaYg8tCQ35NBY3XPn6KiETd3Z4WR
baz
`,
	},

	Options: []cmds.Option{

		cmds.StringOption("f", "The path where IPFS should be mounted"),

		cmds.StringOption("n", "The path where IPNS should be mounted"),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		cfg, err := req.Context().GetConfig()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		node, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		if !node.OnlineMode() {
			res.SetError(errNotOnline, cmds.ErrClient)
			return
		}

		fsdir, found, err := req.Option("f").String()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		if !found {
			fsdir = cfg.Mounts.IPFS
		}

		nsdir, found, err := req.Option("n").String()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		if !found {
			nsdir = cfg.Mounts.IPNS
		}

		err = Mount(node, fsdir, nsdir)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		var output config.Mounts
		output.IPFS = fsdir
		output.IPNS = nsdir
		res.SetOutput(&output)
	},
	Type: config.Mounts{},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {
			v := res.Output().(*config.Mounts)
			s := fmt.Sprintf("IPFS mounted at: %s\n", v.IPFS)
			s += fmt.Sprintf("IPNS mounted at: %s\n", v.IPNS)
			return strings.NewReader(s), nil
		},
	},
}
View Source 
var NameCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "IPFS namespace (IPNS) tool",
		Synopsis: `
ipfs name publish [<name>] <ipfs-path> - Publish an object to IPNS
ipfs name resolve [<name>]             - Gets the value currently published at an IPNS name
`,
		ShortDescription: `
IPNS is a PKI namespace, where names are the hashes of public keys, and
the private key enables publishing new (signed) values. In both publish
and resolve, the default value of <name> is your own identity public key.
`,
		LongDescription: `
IPNS is a PKI namespace, where names are the hashes of public keys, and
the private key enables publishing new (signed) values. In both publish
and resolve, the default value of <name> is your own identity public key.


Examples:

Publish a <ref> to your identity name:

  > ipfs name publish QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy
  published name QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n to QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy

Publish a <ref> to another public key:

  > ipfs name publish QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy
  published name QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n to QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy

Resolve the value of your identity:

  > ipfs name resolve
  QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy

Resolve the value of another name:

  > ipfs name resolve QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n
  QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy

`,
	},

	Subcommands: map[string]*cmds.Command{
		"publish": publishCmd,
		"resolve": resolveCmd,
	},
}
View Source 
var ObjectCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Interact with ipfs objects",
		ShortDescription: `
'ipfs object' is a plumbing command used to manipulate DAG objects
directly.`,
		Synopsis: `
ipfs object get <key>   - Get the DAG node named by <key>
ipfs object put <data>  - Stores input, outputs its key
ipfs object data <key>  - Outputs raw bytes in an object
ipfs object links <key> - Outputs links pointed to by object
ipfs object stat <key>  - Outputs statistics of object
`,
	},

	Subcommands: map[string]*cmds.Command{
		"data":  objectDataCmd,
		"links": objectLinksCmd,
		"get":   objectGetCmd,
		"put":   objectPutCmd,
		"stat":  objectStatCmd,
	},
}
View Source 
var PinCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Pin (and unpin) objects to local storage",
	},

	Subcommands: map[string]*cmds.Command{
		"add": addPinCmd,
		"rm":  rmPinCmd,
		"ls":  listPinCmd,
	},
}
View Source 
var PingCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "send echo request packets to IPFS hosts",
		Synopsis: `
Send pings to a peer using the routing system to discover its address
		`,
		ShortDescription: `
ipfs ping is a tool to test sending data to other nodes. It finds nodes
via the routing system, send pings, wait for pongs, and print out round-
trip latency information.
		`,
	},
	Arguments: []cmds.Argument{
		cmds.StringArg("peer ID", true, true, "ID of peer to be pinged").EnableStdin(),
	},
	Options: []cmds.Option{
		cmds.IntOption("count", "n", "number of ping messages to send"),
	},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {
			outChan, ok := res.Output().(<-chan interface{})
			if !ok {
				fmt.Println(reflect.TypeOf(res.Output()))
				return nil, u.ErrCast()
			}

			marshal := func(v interface{}) (io.Reader, error) {
				obj, ok := v.(*PingResult)
				if !ok {
					return nil, u.ErrCast()
				}

				buf := new(bytes.Buffer)
				if len(obj.Text) > 0 {
					buf = bytes.NewBufferString(obj.Text + "\n")
				} else if obj.Success {
					fmt.Fprintf(buf, "Pong received: time=%.2f ms\n", obj.Time.Seconds()*1000)
				} else {
					fmt.Fprintf(buf, "Pong failed\n")
				}
				return buf, nil
			}

			return &cmds.ChannelMarshaler{
				Channel:   outChan,
				Marshaler: marshal,
			}, nil
		},
	},
	Run: func(req cmds.Request, res cmds.Response) {
		ctx := req.Context().Context
		n, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		if !n.OnlineMode() {
			res.SetError(errNotOnline, cmds.ErrClient)
			return
		}

		addr, peerID, err := ParsePeerParam(req.Arguments()[0])
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		if addr != nil {
			n.Peerstore.AddAddr(peerID, addr, peer.TempAddrTTL)
		}

		numPings := 10
		val, found, err := req.Option("count").Int()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		if found {
			numPings = val
		}

		outChan := pingPeer(ctx, n, peerID, numPings)
		res.SetOutput(outChan)
	},
	Type: PingResult{},
}
View Source 
var RefsCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Lists links (references) from an object",
		ShortDescription: `
Retrieves the object named by <ipfs-path> and displays the link
hashes it contains, with the following format:

  <link base58 hash>

Note: list all refs recursively with -r.
`,
	},
	Subcommands: map[string]*cmds.Command{
		"local": RefsLocalCmd,
	},
	Arguments: []cmds.Argument{
		cmds.StringArg("ipfs-path", true, true, "Path to the object(s) to list refs from").EnableStdin(),
	},
	Options: []cmds.Option{
		cmds.StringOption("format", "Emit edges with given format. tokens: <src> <dst> <linkname>"),
		cmds.BoolOption("edges", "e", "Emit edge format: `<from> -> <to>`"),
		cmds.BoolOption("unique", "u", "Omit duplicate refs from output"),
		cmds.BoolOption("recursive", "r", "Recursively list links of child nodes"),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		ctx := req.Context().Context
		n, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		unique, _, err := req.Option("unique").Bool()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		recursive, _, err := req.Option("recursive").Bool()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		edges, _, err := req.Option("edges").Bool()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		format, _, err := req.Option("format").String()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		objs, err := objectsForPaths(n, req.Arguments())
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		piper, pipew := io.Pipe()
		eptr := &ErrPassThroughReader{R: piper}

		go func() {
			defer pipew.Close()

			rw := RefWriter{
				W:         pipew,
				DAG:       n.DAG,
				Ctx:       ctx,
				Unique:    unique,
				PrintEdge: edges,
				PrintFmt:  format,
				Recursive: recursive,
			}

			for _, o := range objs {
				if _, err := rw.WriteRefs(o); err != nil {
					eptr.SetError(err)
					return
				}
			}
		}()

		res.SetOutput(eptr)
	},
}
View Source 
var RefsLocalCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Lists all local references",
		ShortDescription: `
Displays the hashes of all local objects.
`,
	},

	Run: func(req cmds.Request, res cmds.Response) {
		ctx := req.Context().Context
		n, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		allKeys, err := n.Blockstore.AllKeysChan(ctx)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		piper, pipew := io.Pipe()
		eptr := &ErrPassThroughReader{R: piper}

		go func() {
			defer pipew.Close()

			for k := range allKeys {
				s := k.Pretty() + "\n"
				if _, err := pipew.Write([]byte(s)); err != nil {
					eptr.SetError(err)
					return
				}
			}
		}()

		res.SetOutput(eptr)
	},
}
View Source 
var RepoCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Manipulate the IPFS repo",
		ShortDescription: `
'ipfs repo' is a plumbing command used to manipulate the repo.
`,
	},

	Subcommands: map[string]*cmds.Command{
		"gc": repoGcCmd,
	},
}
View Source 
var Root = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "global p2p merkle-dag filesystem",
		Synopsis: `
ipfs [<flags>] <command> [<arg>] ...
`,
		ShortDescription: `
BASIC COMMANDS

    init          Initialize ipfs local configuration
    add <path>    Add an object to ipfs
    cat <ref>     Show ipfs object data
    get <ref>     Download ipfs objects
    ls <ref>      List links from an object
    refs <ref>    List hashes of links from an object

DATA STRUCTURE COMMANDS

    block         Interact with raw blocks in the datastore
    object        Interact with raw dag nodes

ADVANCED COMMANDS

    daemon        Start a long-running daemon process
    mount         Mount an ipfs read-only mountpoint
    name          Publish or resolve IPNS names
    pin           Pin objects to local storage
    repo gc       Garbage collect unpinned objects

NETWORK COMMANDS

    id            Show info about ipfs peers
    bootstrap     Add or remove bootstrap peers
    swarm         Manage connections to the p2p network
    dht           Query the dht for values or peers
    ping          Measure the latency of a connection
    diag          Print diagnostics

TOOL COMMANDS

    config        Manage configuration
    version       Show ipfs version information
    update        Download and apply go-ipfs updates
    commands      List all available commands

Use 'ipfs <command> --help' to learn more about each command.
`,
	},
	Options: []cmds.Option{
		cmds.StringOption("config", "c", "Path to the configuration file to use"),
		cmds.BoolOption("debug", "D", "Operate in debug mode"),
		cmds.BoolOption("help", "Show the full command help text"),
		cmds.BoolOption("h", "Show a short version of the command help text"),
		cmds.BoolOption("local", "L", "Run the command locally, instead of using the daemon"),
	},
}
View Source 
var StatsCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline:          "Query IPFS statistics",
		ShortDescription: ``,
	},

	Subcommands: map[string]*cmds.Command{
		"bw": statBwCmd,
	},
}
View Source 
var SwarmCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "swarm inspection tool",
		Synopsis: `
ipfs swarm peers                - List peers with open connections
ipfs swarm addrs                - List known addresses. Useful to debug.
ipfs swarm connect <address>    - Open connection to a given address
ipfs swarm disconnect <address> - Close connection to a given address
`,
		ShortDescription: `
ipfs swarm is a tool to manipulate the network swarm. The swarm is the
component that opens, listens for, and maintains connections to other
ipfs peers in the internet.
`,
	},
	Subcommands: map[string]*cmds.Command{
		"peers":      swarmPeersCmd,
		"addrs":      swarmAddrsCmd,
		"connect":    swarmConnectCmd,
		"disconnect": swarmDisconnectCmd,
	},
}
View Source 
var UpdateCheckCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline:          "Checks if updates are available",
		ShortDescription: "'ipfs update check' checks if any updates are available for IPFS.\nNothing will be downloaded or installed.",
	},

	Run: func(req cmds.Request, res cmds.Response) {
		n, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		output, err := updateCheck(n)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		res.SetOutput(output)
	},
	Type: UpdateOutput{},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {
			v := res.Output().(*UpdateOutput)
			var buf bytes.Buffer
			if v.NewVersion != v.OldVersion {
				buf.WriteString(fmt.Sprintf("A new version of IPFS is available ('%s', currently running '%s')\n",
					v.NewVersion, v.OldVersion))
			} else {
				buf.WriteString(fmt.Sprintf("Already updated to latest version ('%s')\n", v.NewVersion))
			}
			return &buf, nil
		},
	},
}
View Source 
var UpdateCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline: "Downloads and installs updates for IPFS (disabled)",
		ShortDescription: `ipfs update is disabled until we can deploy the binaries to you over ipfs itself.

		please use 'go get -u github.com/ipfs/go-ipfs/cmd/ipfs' until then.`,
	},
}
View Source 
var UpdateLogCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline:          "List the changelog for the latest versions of IPFS",
		ShortDescription: "This command is not yet implemented.",
	},

	Run: func(req cmds.Request, res cmds.Response) {
		n, err := req.Context().GetNode()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}

		output, err := updateLog(n)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
		res.SetOutput(output)
	},
}
View Source 
var VersionCmd = &cmds.Command{
	Helptext: cmds.HelpText{
		Tagline:          "Shows ipfs version information",
		ShortDescription: "Returns the current version of ipfs and exits.",
	},

	Options: []cmds.Option{
		cmds.BoolOption("number", "n", "Only show the version number"),
	},
	Run: func(req cmds.Request, res cmds.Response) {
		res.SetOutput(&VersionOutput{
			Version: config.CurrentVersionNumber,
		})
	},
	Marshalers: cmds.MarshalerMap{
		cmds.Text: func(res cmds.Response) (io.Reader, error) {
			v := res.Output().(*VersionOutput)

			number, found, err := res.Request().Option("number").Bool()
			if err != nil {
				return nil, err
			}
			if found && number {
				return strings.NewReader(fmt.Sprintln(v.Version)), nil
			}
			return strings.NewReader(fmt.Sprintf("ipfs version %s\n", v.Version)), nil
		},
	},
	Type: VersionOutput{},
}

Functions

func CommandsCmd 

func CommandsCmd(root *cmds.Command) *cmds.Command

CommandsCmd takes in a root command, and returns a command that lists the subcommands in that root

func KeyListTextMarshaler 

func KeyListTextMarshaler(res cmds.Response) (io.Reader, error)

KeyListTextMarshaler outputs a KeyList as plaintext, one key per line

func MessageTextMarshaler 

func MessageTextMarshaler(res cmds.Response) (io.Reader, error)

func Mount 

func Mount(node *core.IpfsNode, fsdir, nsdir string) error

func ParsePeerParam 

func ParsePeerParam(text string) (ma.Multiaddr, peer.ID, error)

Types

type AddedObject 

type AddedObject struct {
	Name  string
	Hash  string `json:",omitempty"`
	Bytes int64  `json:",omitempty"`
}

type BlockStat 

type BlockStat struct {
	Key  string
	Size int
}

func (BlockStat) String 

func (bs BlockStat) String() string

type BootstrapOutput 

type BootstrapOutput struct {
	Peers []string
}

type Command 

type Command struct {
	Name        string
	Subcommands []Command
}

type ConfigField 

type ConfigField struct {
	Key   string
	Value interface{}
}

type DiagnosticConnection 

type DiagnosticConnection struct {
	ID string
	// TODO use milliseconds or microseconds for human readability
	NanosecondsLatency uint64
	Count              int
}

type DiagnosticOutput 

type DiagnosticOutput struct {
	Peers []DiagnosticPeer
}

type DiagnosticPeer 

type DiagnosticPeer struct {
	ID                string
	UptimeSeconds     uint64
	BandwidthBytesIn  uint64
	BandwidthBytesOut uint64
	Connections       []DiagnosticConnection
}

type ErrPassThroughReader 

type ErrPassThroughReader struct {
	R io.ReadCloser

	sync.RWMutex
	// contains filtered or unexported fields
}

ErrPassThroughReader is a reader that may return an externally set error.

func (*ErrPassThroughReader) Close 

func (r *ErrPassThroughReader) Close() error

func (*ErrPassThroughReader) Error 

func (r *ErrPassThroughReader) Error() error

func (*ErrPassThroughReader) Read 

func (r *ErrPassThroughReader) Read(buf []byte) (int, error)

func (*ErrPassThroughReader) SetError 

func (r *ErrPassThroughReader) SetError(err error)

type IdOutput 

type IdOutput struct {
	ID              string
	PublicKey       string
	Addresses       []string
	AgentVersion    string
	ProtocolVersion string
}

type IpnsEntry 

type IpnsEntry struct {
	Name  string
	Value string
}

type KeyList 

type KeyList struct {
	Keys []u.Key
}

KeyList is a general type for outputting lists of keys 

type Link struct {
	Name, Hash string
	Size       uint64
}
type LsLink struct {
	Name, Hash string
	Size       uint64
	Type       unixfspb.Data_DataType
}

type LsObject 

type LsObject struct {
	Hash  string
	Links []LsLink
}

type LsOutput 

type LsOutput struct {
	Objects []LsObject
}

type MessageOutput 

type MessageOutput struct {
	Message string
}

type Node 

type Node struct {
	Links []Link
	Data  string
}

type Object 

type Object struct {
	Hash  string
	Links []Link
}

type PinOutput 

type PinOutput struct {
	Pinned []u.Key
}

type PingResult 

type PingResult struct {
	Success bool
	Time    time.Duration
	Text    string
}

type RefKeyList 

type RefKeyList struct {
	Keys map[string]RefKeyObject
}

type RefKeyObject 

type RefKeyObject struct {
	Type  string
	Count int
}

type RefWriter 

type RefWriter struct {
	W   io.Writer
	DAG dag.DAGService
	Ctx context.Context

	Unique    bool
	Recursive bool
	PrintEdge bool
	PrintFmt  string
	// contains filtered or unexported fields
}

func (*RefWriter) WriteEdge 

func (rw *RefWriter) WriteEdge(from, to u.Key, linkname string) error

Write one edge

func (*RefWriter) WriteRefs 

func (rw *RefWriter) WriteRefs(n *dag.Node) (int, error)

WriteRefs writes refs of the given object to the underlying writer.

type ResolvedPath 

type ResolvedPath struct {
	Path path.Path
}

type TestOutput 

type TestOutput struct {
	Foo string
	Bar int
}

type UpdateOutput 

type UpdateOutput struct {
	OldVersion string
	NewVersion string
}

type VersionOutput 

type VersionOutput struct {
	Version string
}

Source Files

View all Source files

Directories

Path Synopsis
internal
incfusever
Package incfusever is only here to prevent go src tools (like godep) from thinking fuseversion is not a required package.
 Package incfusever is only here to prevent go src tools (like godep) from thinking fuseversion is not a required package.

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