Golang units.HumanDuration函数代码示例

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)))
}

// String returns a human-readable description of the state
func (s *State) String() string {
	if s.Running {
		if s.Paused {
			return fmt.Sprintf("Up %s (Paused)", units.HumanDuration(time.Now().UTC().Sub(s.StartedAt)))
		}
		if s.Restarting {
			return fmt.Sprintf("Restarting (%d) %s ago", s.ExitCode, units.HumanDuration(time.Now().UTC().Sub(s.FinishedAt)))
		}

		return fmt.Sprintf("Up %s", units.HumanDuration(time.Now().UTC().Sub(s.StartedAt)))
	}

	if s.removalInProgress {
		return "Removal In Progress"
	}

	if s.Dead {
		return "Dead"
	}

	if s.StartedAt.IsZero() {
		return "Created"
	}

	if s.FinishedAt.IsZero() {
		return ""
	}

	return fmt.Sprintf("Exited (%d) %s ago", s.ExitCode, units.HumanDuration(time.Now().UTC().Sub(s.FinishedAt)))
}

// String returns a human-readable description of the state
func (s *State) String() string {
	s.RLock()
	defer s.RUnlock()

	if s.Running {
		if s.Paused {
			return fmt.Sprintf("Up %s (Paused)", units.HumanDuration(time.Now().UTC().Sub(s.StartedAt)))
		}
		return fmt.Sprintf("Up %s", units.HumanDuration(time.Now().UTC().Sub(s.StartedAt)))
	}
	if s.FinishedAt.IsZero() {
		return ""
	}
	return fmt.Sprintf("Exited (%d) %s ago", s.ExitCode, units.HumanDuration(time.Now().UTC().Sub(s.FinishedAt)))
}

func printPod(pod *api.Pod, w io.Writer) error {
	// TODO: remove me when pods are converted
	spec := &api.PodSpec{}
	if err := api.Scheme.Convert(&pod.Spec, spec); err != nil {
		glog.Errorf("Unable to convert pod manifest: %v", err)
	}
	containers := spec.Containers
	var firstContainer api.Container
	if len(containers) > 0 {
		firstContainer, containers = containers[0], containers[1:]
	}
	_, err := fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
		pod.Name,
		pod.Status.PodIP,
		firstContainer.Name,
		firstContainer.Image,
		podHostString(pod.Status.Host, pod.Status.HostIP),
		formatLabels(pod.Labels),
		pod.Status.Phase,
		units.HumanDuration(time.Now().Sub(pod.CreationTimestamp.Time)))
	if err != nil {
		return err
	}
	// Lay out all the other containers on separate lines.
	for _, container := range containers {
		_, err := fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n", "", "", container.Name, container.Image, "", "", "", "")
		if err != nil {
			return err
		}
	}
	return nil
}

// CmdHistory shows the history of an image.
//
// Usage: docker history [OPTIONS] IMAGE
func (cli *DockerCli) CmdHistory(args ...string) error {
	cmd := Cli.Subcmd("history", []string{"IMAGE"}, Cli.DockerCommands["history"].Description, true)
	human := cmd.Bool([]string{"H", "-human"}, true, "Print sizes and dates in human readable format")
	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
	noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
	cmd.Require(flag.Exact, 1)

	cmd.ParseFlags(args, true)

	serverResp, err := cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, nil)
	if err != nil {
		return err
	}

	defer serverResp.body.Close()

	history := []types.ImageHistory{}
	if err := json.NewDecoder(serverResp.body).Decode(&history); err != nil {
		return err
	}

	w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
	if !*quiet {
		fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT")
	}

	for _, entry := range history {
		if *noTrunc {
			fmt.Fprintf(w, entry.ID)
		} else {
			fmt.Fprintf(w, stringid.TruncateID(entry.ID))
		}
		if !*quiet {
			if *human {
				fmt.Fprintf(w, "\t%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))))
			} else {
				fmt.Fprintf(w, "\t%s\t", time.Unix(entry.Created, 0).Format(time.RFC3339))
			}

			if *noTrunc {
				fmt.Fprintf(w, "%s\t", strings.Replace(entry.CreatedBy, "\t", " ", -1))
			} else {
				fmt.Fprintf(w, "%s\t", stringutils.Truncate(strings.Replace(entry.CreatedBy, "\t", " ", -1), 45))
			}

			if *human {
				fmt.Fprintf(w, "%s\t", units.HumanSize(float64(entry.Size)))
			} else {
				fmt.Fprintf(w, "%d\t", entry.Size)
			}

			fmt.Fprintf(w, "%s", entry.Comment)
		}
		fmt.Fprintf(w, "\n")
	}
	w.Flush()
	return nil
}

// cancel cancels any deployment process in progress for config.
func (o DeployOptions) cancel(config *deployapi.DeploymentConfig, out io.Writer) error {
	if config.Spec.Paused {
		return fmt.Errorf("cannot cancel a paused deployment config")
	}
	deployments, err := o.kubeClient.ReplicationControllers(config.Namespace).List(kapi.ListOptions{LabelSelector: deployutil.ConfigSelector(config.Name)})
	if err != nil {
		return err
	}
	if len(deployments.Items) == 0 {
		fmt.Fprintf(out, "There have been no deployments for %s/%s\n", config.Namespace, config.Name)
		return nil
	}
	sort.Sort(deployutil.ByLatestVersionDesc(deployments.Items))
	failedCancellations := []string{}
	anyCancelled := false
	for _, deployment := range deployments.Items {
		status := deployutil.DeploymentStatusFor(&deployment)
		switch status {
		case deployapi.DeploymentStatusNew,
			deployapi.DeploymentStatusPending,
			deployapi.DeploymentStatusRunning:

			if deployutil.IsDeploymentCancelled(&deployment) {
				continue
			}

			deployment.Annotations[deployapi.DeploymentCancelledAnnotation] = deployapi.DeploymentCancelledAnnotationValue
			deployment.Annotations[deployapi.DeploymentStatusReasonAnnotation] = deployapi.DeploymentCancelledByUser
			_, err := o.kubeClient.ReplicationControllers(deployment.Namespace).Update(&deployment)
			if err == nil {
				fmt.Fprintf(out, "Cancelled deployment #%d\n", config.Status.LatestVersion)
				anyCancelled = true
			} else {
				fmt.Fprintf(out, "Couldn't cancel deployment #%d (status: %s): %v\n", deployutil.DeploymentVersionFor(&deployment), status, err)
				failedCancellations = append(failedCancellations, strconv.FormatInt(deployutil.DeploymentVersionFor(&deployment), 10))
			}
		}
	}
	if len(failedCancellations) > 0 {
		return fmt.Errorf("couldn't cancel deployment %s", strings.Join(failedCancellations, ", "))
	}
	if !anyCancelled {
		latest := &deployments.Items[0]
		maybeCancelling := ""
		if deployutil.IsDeploymentCancelled(latest) && !deployutil.IsTerminatedDeployment(latest) {
			maybeCancelling = " (cancelling)"
		}
		timeAt := strings.ToLower(units.HumanDuration(time.Now().Sub(latest.CreationTimestamp.Time)))
		fmt.Fprintf(out, "No deployments are in progress (latest deployment #%d %s%s %s ago)\n",
			deployutil.DeploymentVersionFor(latest),
			strings.ToLower(string(deployutil.DeploymentStatusFor(latest))),
			maybeCancelling,
			timeAt)
	}
	return nil
}

// CmdHistory shows the history of an image.
//
// Usage: docker history [OPTIONS] IMAGE
func (cli *DockerCli) CmdHistory(args ...string) error {
	cmd := Cli.Subcmd("history", []string{"IMAGE"}, Cli.DockerCommands["history"].Description, true)
	human := cmd.Bool([]string{"H", "-human"}, true, "Print sizes and dates in human readable format")
	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
	noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output")
	cmd.Require(flag.Exact, 1)

	cmd.ParseFlags(args, true)

	history, err := cli.client.ImageHistory(cmd.Arg(0))
	if err != nil {
		return err
	}

	w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)

	if *quiet {
		for _, entry := range history {
			if *noTrunc {
				fmt.Fprintf(w, "%s\n", entry.ID)
			} else {
				fmt.Fprintf(w, "%s\n", stringid.TruncateID(entry.ID))
			}
		}
		w.Flush()
		return nil
	}

	var imageID string
	var createdBy string
	var created string
	var size string

	fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT")
	for _, entry := range history {
		imageID = entry.ID
		createdBy = strings.Replace(entry.CreatedBy, "\t", " ", -1)
		if *noTrunc == false {
			createdBy = stringutils.Truncate(createdBy, 45)
			imageID = stringid.TruncateID(entry.ID)
		}

		if *human {
			created = units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))) + " ago"
			size = units.HumanSize(float64(entry.Size))
		} else {
			created = time.Unix(entry.Created, 0).Format(time.RFC3339)
			size = strconv.FormatInt(entry.Size, 10)
		}

		fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", imageID, created, createdBy, size, entry.Comment)
	}
	w.Flush()
	return nil
}

// RunBuildLogs contains all the necessary functionality for the OpenShift cli build-logs command
func RunBuildLogs(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, opts api.BuildLogOptions, args []string) error {
	if len(args) != 1 {
		// maximum time to wait for a list of builds
		timeout := 800 * time.Millisecond
		// maximum number of builds to list
		maxBuildListLen := 10
		ch := make(chan error)
		go func() {
			// TODO fetch via API no more than maxBuildListLen builds
			builds, err := getBuilds(f)
			if err != nil {
				return
			}
			if len(builds) == 0 {
				ch <- cmdutil.UsageError(cmd, "There are no builds in the current project")
				return
			}
			sort.Sort(sort.Reverse(api.ByCreationTimestamp(builds)))
			msg := "A build name is required. Most recent builds:"
			for i, b := range builds {
				if i == maxBuildListLen {
					break
				}
				msg += fmt.Sprintf("\n* %s\t%s\t%s ago", b.Name, b.Status.Phase, units.HumanDuration(time.Since(b.CreationTimestamp.Time)))
			}
			ch <- cmdutil.UsageError(cmd, msg)
		}()
		select {
		case <-time.After(timeout):
			return cmdutil.UsageError(cmd, "A build name is required")
		case err := <-ch:
			return err
		}
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	c, _, err := f.Clients()
	if err != nil {
		return err
	}

	readCloser, err := c.BuildLogs(namespace).Get(args[0], opts).Stream()
	if err != nil {
		return err
	}
	defer readCloser.Close()

	_, err = io.Copy(out, readCloser)
	return err
}

// CmdHistory shows the history of an image.
//
// Usage: docker history [OPTIONS] IMAGE
func (cli *DockerCli) CmdHistory(args ...string) error {
	cmd := cli.Subcmd("history", "IMAGE", "Show the history of an image", true)
	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
	noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
	cmd.Require(flag.Exact, 1)

	utils.ParseFlags(cmd, args, true)

	body, _, err := readBody(cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, nil))
	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.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE")
	}

	for _, out := range outs.Data {
		outID := out.Get("Id")
		if !*quiet {
			if *noTrunc {
				fmt.Fprintf(w, "%s\t", outID)
			} else {
				fmt.Fprintf(w, "%s\t", stringid.TruncateID(outID))
			}

			fmt.Fprintf(w, "%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))))

			if *noTrunc {
				fmt.Fprintf(w, "%s\t", out.Get("CreatedBy"))
			} else {
				fmt.Fprintf(w, "%s\t", utils.Trunc(out.Get("CreatedBy"), 45))
			}
			fmt.Fprintf(w, "%s\n", units.HumanSize(float64(out.GetInt64("Size"))))
		} else {
			if *noTrunc {
				fmt.Fprintln(w, outID)
			} else {
				fmt.Fprintln(w, stringid.TruncateID(outID))
			}
		}
	}
	w.Flush()
	return nil
}

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)))
}

// CmdHistory shows the history of an image.
//
// Usage: docker history [OPTIONS] IMAGE
func (cli *DockerCli) CmdHistory(args ...string) error {
	cmd := cli.Subcmd("history", "IMAGE", "Show the history of an image", true)
	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
	noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
	cmd.Require(flag.Exact, 1)
	cmd.ParseFlags(args, true)

	rdr, _, err := cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, nil)
	if err != nil {
		return err
	}

	history := []types.ImageHistory{}
	err = json.NewDecoder(rdr).Decode(&history)
	if err != nil {
		return err
	}

	w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
	if !*quiet {
		fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT")
	}

	for _, entry := range history {
		if *noTrunc {
			fmt.Fprintf(w, entry.ID)
		} else {
			fmt.Fprintf(w, stringid.TruncateID(entry.ID))
		}
		if !*quiet {
			fmt.Fprintf(w, "\t%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))))

			if *noTrunc {
				fmt.Fprintf(w, "%s\t", entry.CreatedBy)
			} else {
				fmt.Fprintf(w, "%s\t", utils.Trunc(entry.CreatedBy, 45))
			}
			fmt.Fprintf(w, "%s\t", units.HumanSize(float64(entry.Size)))
			fmt.Fprintf(w, "%s", entry.Comment)
		}
		fmt.Fprintf(w, "\n")
	}
	w.Flush()
	return nil
}

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)
}

func runHistory(cmd *types.Command, args []string) {
	if historyHelp {
		cmd.PrintUsage()
	}
	if len(args) != 1 {
		cmd.PrintShortUsage()
	}

	imageID := cmd.API.GetImageID(args[0], true)
	image, err := cmd.API.GetImage(imageID)
	if err != nil {
		log.Fatalf("Cannot get image %s: %v", imageID, err)
	}

	if imagesQ {
		fmt.Println(imageID)
		return
	}

	w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
	defer w.Flush()
	fmt.Fprintf(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\n")

	identifier := utils.TruncIf(image.Identifier, 8, !historyNoTrunc)

	creationDate, err := time.Parse("2006-01-02T15:04:05.000000+00:00", image.CreationDate)
	if err != nil {
		log.Fatalf("Unable to parse creation date from the Scaleway API: %v", err)
	}
	creationDateStr := units.HumanDuration(time.Now().UTC().Sub(creationDate))

	volumeName := utils.TruncIf(image.RootVolume.Name, 25, !historyNoTrunc)
	size := units.HumanSize(float64(image.RootVolume.Size))

	fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", identifier, creationDateStr, volumeName, size)
}

//.........这里部分代码省略.........
		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, nil))

		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
}