Golang ProgressBar.ShowBar方法代碼示例

本文整理匯總了Golang中github.com/flynn/flynn/Godeps/_workspace/src/github.com/cheggaaa/pb.ProgressBar.ShowBar方法的典型用法代碼示例。如果您正苦於以下問題：Golang ProgressBar.ShowBar方法的具體用法？Golang ProgressBar.ShowBar怎麽用？Golang ProgressBar.ShowBar使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/flynn/flynn/Godeps/_workspace/src/github.com/cheggaaa/pb.ProgressBar的用法示例。

在下文中一共展示了ProgressBar.ShowBar方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: runClusterBackup

func runClusterBackup(args *docopt.Args) error {
	client, err := getClusterClient()
	if err != nil {
		return err
	}

	var bar *pb.ProgressBar
	if term.IsTerminal(os.Stderr.Fd()) {
		bar = pb.New(0)
		bar.SetUnits(pb.U_BYTES)
		bar.ShowBar = false
		bar.ShowSpeed = true
		bar.Output = os.Stderr
		bar.Start()
	}

	var dest io.Writer = os.Stdout
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Create(filename)
		if err != nil {
			return err
		}
		defer f.Close()
		dest = f
	}

	fmt.Fprintln(os.Stderr, "Creating cluster backup...")

	if bar != nil {
		dest = io.MultiWriter(dest, bar)
	}
	if err := backup.Run(client, dest); err != nil {
		return err
	}
	if bar != nil {
		bar.Finish()
	}
	fmt.Fprintln(os.Stderr, "Backup complete.")

	return nil
}

開發者ID:devick，項目名稱:flynn，代碼行數:41，代碼來源:cluster.go

示例2: runExport

func runExport(args *docopt.Args, client *controller.Client) error {
	var dest io.Writer = os.Stdout
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Create(filename)
		if err != nil {
			return fmt.Errorf("error creating export file: %s", err)
		}
		defer f.Close()
		dest = f
	}

	app, err := client.GetApp(mustApp())
	if err != nil {
		return fmt.Errorf("error getting app: %s", err)
	}

	tw := backup.NewTarWriter(app.Name, dest)
	defer tw.Close()

	if err := tw.WriteJSON("app.json", app); err != nil {
		return fmt.Errorf("error exporting app: %s", err)
	}

	routes, err := client.RouteList(mustApp())
	if err != nil {
		return fmt.Errorf("error getting routes: %s", err)
	}
	if err := tw.WriteJSON("routes.json", routes); err != nil {
		return fmt.Errorf("error exporting routes: %s", err)
	}

	release, err := client.GetAppRelease(mustApp())
	if err != nil && err != controller.ErrNotFound {
		return fmt.Errorf("error retrieving app: %s", err)
	} else if err == nil {
		// Do not allow the exporting of passwords.
		delete(release.Env, "REDIS_PASSWORD")

		if err := tw.WriteJSON("release.json", release); err != nil {
			return fmt.Errorf("error exporting release: %s", err)
		}
	}

	artifact, err := client.GetArtifact(release.ArtifactID)
	if err != nil && err != controller.ErrNotFound {
		return fmt.Errorf("error retrieving artifact: %s", err)
	} else if err == nil {
		if err := tw.WriteJSON("artifact.json", artifact); err != nil {
			return fmt.Errorf("error exporting artifact: %s", err)
		}
	}

	formation, err := client.GetFormation(mustApp(), release.ID)
	if err != nil && err != controller.ErrNotFound {
		return fmt.Errorf("error retrieving formation: %s", err)
	} else if err == nil {
		if err := tw.WriteJSON("formation.json", formation); err != nil {
			return fmt.Errorf("error exporting formation: %s", err)
		}
	}

	var bar *pb.ProgressBar
	if !args.Bool["--quiet"] && term.IsTerminal(os.Stderr.Fd()) {
		bar = pb.New(0)
		bar.SetUnits(pb.U_BYTES)
		bar.ShowBar = false
		bar.ShowSpeed = true
		bar.Output = os.Stderr
		bar.Start()
		defer bar.Finish()
	}

	if slug, ok := release.Env["SLUG_URL"]; ok {
		reqR, reqW := io.Pipe()
		config := runConfig{
			App:        mustApp(),
			Release:    release.ID,
			DisableLog: true,
			Entrypoint: []string{"curl"},
			Args:       []string{"--include", "--raw", slug},
			Stdout:     reqW,
			Stderr:     ioutil.Discard,
		}
		if bar != nil {
			config.Stdout = io.MultiWriter(config.Stdout, bar)
		}
		go func() {
			if err := runJob(client, config); err != nil {
				shutdown.Fatalf("error retrieving slug: %s", err)
			}
		}()
		res, err := http.ReadResponse(bufio.NewReader(reqR), nil)
		if err != nil {
			return fmt.Errorf("error reading slug response: %s", err)
		}
		if res.StatusCode != 200 {
			return fmt.Errorf("unexpected status getting slug: %d", res.StatusCode)
		}
		length, err := strconv.Atoi(res.Header.Get("Content-Length"))
		if err != nil {
//.........這裏部分代碼省略.........

開發者ID:devick，項目名稱:flynn，代碼行數:101，代碼來源:export.go

示例3: runExport

func runExport(args *docopt.Args, client *controller.Client) error {
	var dest io.Writer = os.Stdout
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Create(filename)
		if err != nil {
			return fmt.Errorf("error creating export file: %s", err)
		}
		defer f.Close()
		dest = f
	}
	tw := tar.NewWriter(dest)
	defer tw.Close()

	uid := syscall.Getuid()
	header := func(name string, length int) error {
		return tw.WriteHeader(&tar.Header{
			Name:     path.Join(mustApp(), name),
			Mode:     0644,
			Size:     int64(length),
			ModTime:  time.Now(),
			Typeflag: tar.TypeReg,
			Uid:      uid,
			Gid:      uid,
		})
	}
	writeJSON := func(name string, v interface{}) error {
		data, err := json.MarshalIndent(v, "", "  ")
		if err != nil {
			return err
		}
		if err := header(name, len(data)+1); err != nil {
			return err
		}
		if _, err := tw.Write(data); err != nil {
			return err
		}
		if _, err := tw.Write([]byte("\n")); err != nil {
			return err
		}
		return nil
	}

	app, err := client.GetApp(mustApp())
	if err != nil {
		return fmt.Errorf("error getting app: %s", err)
	}
	if err := writeJSON("app.json", app); err != nil {
		return fmt.Errorf("error exporting app: %s", err)
	}

	release, err := client.GetAppRelease(mustApp())
	if err != nil && err != controller.ErrNotFound {
		return fmt.Errorf("error retrieving app: %s", err)
	} else if err == nil {
		if err := writeJSON("release.json", release); err != nil {
			return fmt.Errorf("error exporting release: %s", err)
		}
	}

	artifact, err := client.GetArtifact(release.ArtifactID)
	if err != nil && err != controller.ErrNotFound {
		return fmt.Errorf("error retrieving artifact: %s", err)
	} else if err == nil {
		if err := writeJSON("artifact.json", artifact); err != nil {
			return fmt.Errorf("error exporting artifact: %s", err)
		}
	}

	formation, err := client.GetFormation(mustApp(), release.ID)
	if err != nil && err != controller.ErrNotFound {
		return fmt.Errorf("error retrieving formation: %s", err)
	} else if err == nil {
		if err := writeJSON("formation.json", formation); err != nil {
			return fmt.Errorf("error exporting formation: %s", err)
		}
	}

	var bar *pb.ProgressBar
	if !args.Bool["--quiet"] && term.IsTerminal(os.Stderr.Fd()) {
		bar = pb.New(0)
		bar.SetUnits(pb.U_BYTES)
		bar.ShowBar = false
		bar.ShowSpeed = true
		bar.Output = os.Stderr
		bar.Start()
		defer bar.Finish()
	}

	if slug, ok := release.Env["SLUG_URL"]; ok {
		reqR, reqW := io.Pipe()
		config := runConfig{
			App:        mustApp(),
			Release:    release.ID,
			DisableLog: true,
			Entrypoint: []string{"curl"},
			Args:       []string{"--include", "--raw", slug},
			Stdout:     reqW,
			Stderr:     ioutil.Discard,
		}
		if bar != nil {
//.........這裏部分代碼省略.........

開發者ID:justintung，項目名稱:flynn，代碼行數:101，代碼來源:export.go

示例4: runClusterBackup

func runClusterBackup(args *docopt.Args) error {
	client, err := getClusterClient()
	if err != nil {
		return err
	}

	var bar *pb.ProgressBar
	if term.IsTerminal(os.Stderr.Fd()) {
		bar = pb.New(0)
		bar.SetUnits(pb.U_BYTES)
		bar.ShowBar = false
		bar.ShowSpeed = true
		bar.Output = os.Stderr
		bar.Start()
	}

	var dest io.Writer = os.Stdout
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Create(filename)
		if err != nil {
			return err
		}
		defer f.Close()
		dest = f
	}

	fmt.Fprintln(os.Stderr, "Creating cluster backup...")

	tw := NewTarWriter("flynn-backup-"+time.Now().UTC().Format("2006-01-02_150405"), dest)
	defer tw.Close()

	// get app and release details for key apps
	data := make(map[string]*ct.ExpandedFormation, 4)
	for _, name := range []string{"postgres", "discoverd", "flannel", "controller"} {
		app, err := client.GetApp(name)
		if err != nil {
			return fmt.Errorf("error getting %s app details: %s", name, err)
		}
		release, err := client.GetAppRelease(app.ID)
		if err != nil {
			return fmt.Errorf("error getting %s app release: %s", name, err)
		}
		formation, err := client.GetFormation(app.ID, release.ID)
		if err != nil {
			return fmt.Errorf("error getting %s app formation: %s", name, err)
		}
		artifact, err := client.GetArtifact(release.ArtifactID)
		if err != nil {
			return fmt.Errorf("error getting %s app artifact: %s", name, err)
		}
		data[name] = &ct.ExpandedFormation{
			App:       app,
			Release:   release,
			Artifact:  artifact,
			Processes: formation.Processes,
		}
	}
	if err := tw.WriteJSON("flynn.json", data); err != nil {
		return err
	}

	config := &runConfig{
		App:        "postgres",
		Release:    data["postgres"].Release.ID,
		Entrypoint: []string{"sh"},
		Args:       []string{"-c", "pg_dumpall --clean --if-exists | gzip -9"},
		Env: map[string]string{
			"PGHOST":     "leader.postgres.discoverd",
			"PGUSER":     "flynn",
			"PGPASSWORD": data["postgres"].Release.Env["PGPASSWORD"],
		},
		DisableLog: true,
	}
	if err := tw.WriteCommandOutput(client, "postgres.sql.gz", config, bar); err != nil {
		return fmt.Errorf("error dumping database: %s", err)
	}

	if bar != nil {
		bar.Finish()
	}
	fmt.Fprintln(os.Stderr, "Backup complete.")

	return nil
}

開發者ID:yashodhank，項目名稱:flynn，代碼行數:84，代碼來源:cluster.go

注：本文中的github.com/flynn/flynn/Godeps/_workspace/src/github.com/cheggaaa/pb.ProgressBar.ShowBar方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。