Example #1
0
func (cli *DockerCli) CmdEvents(args ...string) error {
	cmd := cli.Subcmd("events", "", "Get real time events from the server", true)
	since := cmd.String([]string{"#since", "-since"}, "", "Show all events created since timestamp")
	until := cmd.String([]string{"-until"}, "", "Stream events until this timestamp")
	flFilter := opts.NewListOpts(nil)
	cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
	cmd.Require(flag.Exact, 0)

	utils.ParseFlags(cmd, args, true)

	var (
		v               = url.Values{}
		loc             = time.FixedZone(time.Now().Zone())
		eventFilterArgs = filters.Args{}
	)

	// Consolidate all filter flags, and sanity check them early.
	// They'll get process in the daemon/server.
	for _, f := range flFilter.GetAll() {
		var err error
		eventFilterArgs, err = filters.ParseFlag(f, eventFilterArgs)
		if err != nil {
			return err
		}
	}
	var setTime = func(key, value string) {
		format := timeutils.RFC3339NanoFixed
		if len(value) < len(format) {
			format = format[:len(value)]
		}
		if t, err := time.ParseInLocation(format, value, loc); err == nil {
			v.Set(key, strconv.FormatInt(t.Unix(), 10))
		} else {
			v.Set(key, value)
		}
	}
	if *since != "" {
		setTime("since", *since)
	}
	if *until != "" {
		setTime("until", *until)
	}
	if len(eventFilterArgs) > 0 {
		filterJson, err := filters.ToParam(eventFilterArgs)
		if err != nil {
			return err
		}
		v.Set("filters", filterJson)
	}
	if err := cli.stream("GET", "/events?"+v.Encode(), nil, cli.out, nil); err != nil {
		return err
	}
	return nil
}
Example #2
0
func (cli *DockerCli) CmdImages(args ...string) error {
	cmd := cli.Subcmd("images", "[REPOSITORY]", "List images", true)
	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
	all := cmd.Bool([]string{"a", "-all"}, false, "Show all images (default hides intermediate images)")
	noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
	showDigests := cmd.Bool([]string{"-digests"}, false, "Show digests")
	// FIXME: --viz and --tree are deprecated. Remove them in a future version.
	flViz := cmd.Bool([]string{"#v", "#viz", "#-viz"}, false, "Output graph in graphviz format")
	flTree := cmd.Bool([]string{"#t", "#tree", "#-tree"}, false, "Output graph in tree format")

	flFilter := opts.NewListOpts(nil)
	cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
	cmd.Require(flag.Max, 1)

	utils.ParseFlags(cmd, args, true)

	// Consolidate all filter flags, and sanity check them early.
	// They'll get process in the daemon/server.
	imageFilterArgs := filters.Args{}
	for _, f := range flFilter.GetAll() {
		var err error
		imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs)
		if err != nil {
			return err
		}
	}

	matchName := cmd.Arg(0)
	// FIXME: --viz and --tree are deprecated. Remove them in a future version.
	if *flViz || *flTree {
		v := url.Values{
			"all": []string{"1"},
		}
		if len(imageFilterArgs) > 0 {
			filterJson, err := filters.ToParam(imageFilterArgs)
			if err != nil {
				return err
			}
			v.Set("filters", filterJson)
		}

		body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false))
		if err != nil {
			return err
		}

		outs := engine.NewTable("Created", 0)
		if _, err := outs.ReadListFrom(body); err != nil {
			return err
		}

		var (
			printNode  func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string)
			startImage *engine.Env

			roots    = engine.NewTable("Created", outs.Len())
			byParent = make(map[string]*engine.Table)
		)

		for _, image := range outs.Data {
			if image.Get("ParentId") == "" {
				roots.Add(image)
			} else {
				if children, exists := byParent[image.Get("ParentId")]; exists {
					children.Add(image)
				} else {
					byParent[image.Get("ParentId")] = engine.NewTable("Created", 1)
					byParent[image.Get("ParentId")].Add(image)
				}
			}

			if matchName != "" {
				if matchName == image.Get("Id") || matchName == stringid.TruncateID(image.Get("Id")) {
					startImage = image
				}

				for _, repotag := range image.GetList("RepoTags") {
					if repotag == matchName {
						startImage = image
					}
				}
			}
		}

		if *flViz {
			fmt.Fprintf(cli.out, "digraph docker {\n")
			printNode = (*DockerCli).printVizNode
		} else {
			printNode = (*DockerCli).printTreeNode
		}

		if startImage != nil {
			root := engine.NewTable("Created", 1)
			root.Add(startImage)
			cli.WalkTree(*noTrunc, root, byParent, "", printNode)
		} else if matchName == "" {
			cli.WalkTree(*noTrunc, roots, byParent, "", printNode)
		}
		if *flViz {
			fmt.Fprintf(cli.out, " base [style=invisible]\n}\n")
		}
	} else {
		v := url.Values{}
		if len(imageFilterArgs) > 0 {
			filterJson, err := filters.ToParam(imageFilterArgs)
			if err != nil {
				return err
			}
			v.Set("filters", filterJson)
		}

		if cmd.NArg() == 1 {
			// FIXME rename this parameter, to not be confused with the filters flag
			v.Set("filter", matchName)
		}
		if *all {
			v.Set("all", "1")
		}

		body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false))

		if err != nil {
			return err
		}

		outs := engine.NewTable("Created", 0)
		if _, err := outs.ReadListFrom(body); err != nil {
			return err
		}

		w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
		if !*quiet {
			if *showDigests {
				fmt.Fprintln(w, "REPOSITORY\tTAG\tDIGEST\tIMAGE ID\tCREATED\tVIRTUAL SIZE")
			} else {
				fmt.Fprintln(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tVIRTUAL SIZE")
			}
		}

		for _, out := range outs.Data {
			outID := out.Get("Id")
			if !*noTrunc {
				outID = stringid.TruncateID(outID)
			}

			repoTags := out.GetList("RepoTags")
			repoDigests := out.GetList("RepoDigests")

			if len(repoTags) == 1 && repoTags[0] == "<none>:<none>" && len(repoDigests) == 1 && repoDigests[0] == "<none>@<none>" {
				// dangling image - clear out either repoTags or repoDigsts so we only show it once below
				repoDigests = []string{}
			}

			// combine the tags and digests lists
			tagsAndDigests := append(repoTags, repoDigests...)
			for _, repoAndRef := range tagsAndDigests {
				repo, ref := parsers.ParseRepositoryTag(repoAndRef)
				// default tag and digest to none - if there's a value, it'll be set below
				tag := "<none>"
				digest := "<none>"
				if utils.DigestReference(ref) {
					digest = ref
				} else {
					tag = ref
				}

				if !*quiet {
					if *showDigests {
						fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s ago\t%s\n", repo, tag, digest, outID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), units.HumanSize(float64(out.GetInt64("VirtualSize"))))
					} else {
						fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\n", repo, tag, outID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), units.HumanSize(float64(out.GetInt64("VirtualSize"))))
					}
				} else {
					fmt.Fprintln(w, outID)
				}
			}
		}

		if !*quiet {
			w.Flush()
		}
	}
	return nil
}
Example #3
0
File: ps.go Project: devick/flynn
func (cli *DockerCli) CmdPs(args ...string) error {
	var (
		err error

		psFilterArgs = filters.Args{}
		v            = url.Values{}

		cmd      = cli.Subcmd("ps", "", "List containers", true)
		quiet    = cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
		size     = cmd.Bool([]string{"s", "-size"}, false, "Display total file sizes")
		all      = cmd.Bool([]string{"a", "-all"}, false, "Show all containers (default shows just running)")
		noTrunc  = cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
		nLatest  = cmd.Bool([]string{"l", "-latest"}, false, "Show the latest created container, include non-running")
		since    = cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show created since Id or Name, include non-running")
		before   = cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name")
		last     = cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running")
		flFilter = opts.NewListOpts(nil)
	)
	cmd.Require(flag.Exact, 0)

	cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")

	utils.ParseFlags(cmd, args, true)
	if *last == -1 && *nLatest {
		*last = 1
	}

	if *all {
		v.Set("all", "1")
	}

	if *last != -1 {
		v.Set("limit", strconv.Itoa(*last))
	}

	if *since != "" {
		v.Set("since", *since)
	}

	if *before != "" {
		v.Set("before", *before)
	}

	if *size {
		v.Set("size", "1")
	}

	// Consolidate all filter flags, and sanity check them.
	// They'll get processed in the daemon/server.
	for _, f := range flFilter.GetAll() {
		if psFilterArgs, err = filters.ParseFlag(f, psFilterArgs); err != nil {
			return err
		}
	}

	if len(psFilterArgs) > 0 {
		filterJson, err := filters.ToParam(psFilterArgs)
		if err != nil {
			return err
		}

		v.Set("filters", filterJson)
	}

	body, _, err := readBody(cli.call("GET", "/containers/json?"+v.Encode(), nil, false))
	if err != nil {
		return err
	}

	outs := engine.NewTable("Created", 0)
	if _, err := outs.ReadListFrom(body); err != nil {
		return err
	}

	w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
	if !*quiet {
		fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES")

		if *size {
			fmt.Fprintln(w, "\tSIZE")
		} else {
			fmt.Fprint(w, "\n")
		}
	}

	stripNamePrefix := func(ss []string) []string {
		for i, s := range ss {
			ss[i] = s[1:]
		}

		return ss
	}

	for _, out := range outs.Data {
		outID := out.Get("Id")

		if !*noTrunc {
			outID = stringid.TruncateID(outID)
		}

		if *quiet {
			fmt.Fprintln(w, outID)

			continue
		}

		var (
			outNames   = stripNamePrefix(out.GetList("Names"))
			outCommand = strconv.Quote(out.Get("Command"))
			ports      = engine.NewTable("", 0)
		)

		if !*noTrunc {
			outCommand = utils.Trunc(outCommand, 20)

			// only display the default name for the container with notrunc is passed
			for _, name := range outNames {
				if len(strings.Split(name, "/")) == 1 {
					outNames = []string{name}

					break
				}
			}
		}

		ports.ReadListFrom([]byte(out.Get("Ports")))

		image := out.Get("Image")
		if image == "" {
			image = "<no image>"
		}

		fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", outID, image, outCommand,
			units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))),
			out.Get("Status"), api.DisplayablePorts(ports), strings.Join(outNames, ","))

		if *size {
			if out.GetInt("SizeRootFs") > 0 {
				fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(float64(out.GetInt64("SizeRw"))), units.HumanSize(float64(out.GetInt64("SizeRootFs"))))
			} else {
				fmt.Fprintf(w, "%s\n", units.HumanSize(float64(out.GetInt64("SizeRw"))))
			}

			continue
		}

		fmt.Fprint(w, "\n")
	}

	if !*quiet {
		w.Flush()
	}

	return nil
}