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Golang pb.New函數代碼示例

本文整理匯總了Golang中github.com/flynn/flynn/Godeps/_workspace/src/github.com/cheggaaa/pb.New函數的典型用法代碼示例。如果您正苦於以下問題：Golang New函數的具體用法？Golang New怎麽用？Golang New使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了New函數的11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: runPgRestore

func runPgRestore(args *docopt.Args, client *controller.Client, config *runConfig) error {
	config.Stdin = os.Stdin
	var size int64
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Open(filename)
		if err != nil {
			return err
		}
		defer f.Close()
		stat, err := f.Stat()
		if err != nil {
			return err
		}
		size = stat.Size()
		config.Stdin = f
	}
	if !args.Bool["--quiet"] && term.IsTerminal(os.Stderr.Fd()) {
		bar := pb.New(0)
		bar.SetUnits(pb.U_BYTES)
		if size > 0 {
			bar.Total = size
		} else {
			bar.ShowBar = false
		}
		bar.ShowSpeed = true
		bar.Output = os.Stderr
		bar.Start()
		defer bar.Finish()
		config.Stdin = bar.NewProxyReader(config.Stdin)
	}
	return pgRestore(client, config)
}
開發者ID:devick，項目名稱:flynn，代碼行數:32，代碼來源:pg.go

示例2: runRedisDump

func runRedisDump(args *docopt.Args, client controller.Client, config *runConfig) error {
	config.Stdout = os.Stdout
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Create(filename)
		if err != nil {
			return err
		}
		defer f.Close()
		config.Stdout = f
	}

	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()
		config.Stdout = io.MultiWriter(config.Stdout, bar)
	}

	config.Entrypoint = []string{"/bin/dump-flynn-redis"}
	return runJob(client, *config)
}
開發者ID:eldarion-gondor，項目名稱:cli，代碼行數:25，代碼來源:redis.go

示例3: Upload

func (g *Gist) Upload(log log15.Logger) error {
	if len(g.Files) == 0 {
		return errors.New("cannot create empty gist")
	}

	payload, err := json.Marshal(g)
	if err != nil {
		log.Error("error preparing gist content", "err", err)
		return err
	}
	var body io.Reader = bytes.NewReader(payload)
	if term.IsTerminal(os.Stderr.Fd()) {
		bar := pb.New(len(payload))
		bar.SetUnits(pb.U_BYTES)
		bar.ShowSpeed = true
		bar.Output = os.Stderr
		bar.Start()
		defer bar.Finish()
		body = bar.NewProxyReader(body)
	}
	req, err := http.NewRequest("POST", "https://api.github.com/gists", body)
	if err != nil {
		log.Error("error preparing HTTP request", "err", err)
		return err
	}
	req.Header.Set("Content-Type", "application/json")

	log.Info("creating anonymous gist")
	res, err := http.DefaultClient.Do(req)
	if err != nil {
		log.Error("error uploading gist content", "err", err)
		return err
	}
	defer res.Body.Close()

	if res.StatusCode != http.StatusCreated {
		e := fmt.Sprintf("unexpected HTTP status: %d", res.StatusCode)
		log.Error(e)
		return errors.New(e)
	}
	if err := json.NewDecoder(res.Body).Decode(g); err != nil {
		log.Error("error decoding HTTP response", "err", err)
		return err
	}
	return nil
}
開發者ID:devick，項目名稱:flynn，代碼行數:46，代碼來源:gist.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...")

	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5: main

func main() {
	count := 5000
	bar := pb.New(count)

	// show percents (by default already true)
	bar.ShowPercent = true

	// show bar (by default already true)
	bar.ShowPercent = true

	// no need counters
	bar.ShowCounters = true

	bar.ShowTimeLeft = true

	// and start
	bar.Start()
	for i := 0; i < count; i++ {
		bar.Increment()
		time.Sleep(time.Millisecond)
	}
	bar.FinishPrint("The End!")
}
開發者ID:devick，項目名稱:flynn，代碼行數:23，代碼來源:pb.go

示例6: 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7: runImport

func runImport(args *docopt.Args, client *controller.Client) error {
	var src io.Reader = os.Stdin
	if filename := args.String["--file"]; filename != "" {
		f, err := os.Open(filename)
		if err != nil {
			return fmt.Errorf("error opening export file: %s", err)
		}
		defer f.Close()
		src = f
	}
	tr := tar.NewReader(src)

	var (
		app        *ct.App
		release    *ct.Release
		artifact   *ct.Artifact
		formation  *ct.Formation
		routes     []router.Route
		slug       io.Reader
		pgDump     io.Reader
		uploadSize int64
	)
	numResources := 0
	numRoutes := 1

	for {
		header, err := tr.Next()
		if err == io.EOF {
			break
		} else if err != nil {
			return fmt.Errorf("error reading export tar: %s", err)
		}

		switch path.Base(header.Name) {
		case "app.json":
			app = &ct.App{}
			if err := json.NewDecoder(tr).Decode(app); err != nil {
				return fmt.Errorf("error decoding app: %s", err)
			}
			app.ID = ""
		case "release.json":
			release = &ct.Release{}
			if err := json.NewDecoder(tr).Decode(release); err != nil {
				return fmt.Errorf("error decoding release: %s", err)
			}
			release.ID = ""
			release.ArtifactID = ""
		case "artifact.json":
			artifact = &ct.Artifact{}
			if err := json.NewDecoder(tr).Decode(artifact); err != nil {
				return fmt.Errorf("error decoding artifact: %s", err)
			}
			artifact.ID = ""
		case "formation.json":
			formation = &ct.Formation{}
			if err := json.NewDecoder(tr).Decode(formation); err != nil {
				return fmt.Errorf("error decoding formation: %s", err)
			}
			formation.AppID = ""
			formation.ReleaseID = ""
		case "routes.json":
			if err := json.NewDecoder(tr).Decode(&routes); err != nil {
				return fmt.Errorf("error decoding routes: %s", err)
			}
			for _, route := range routes {
				route.ID = ""
				route.ParentRef = ""
			}
		case "slug.tar.gz":
			f, err := ioutil.TempFile("", "slug.tar.gz")
			if err != nil {
				return fmt.Errorf("error creating slug tempfile: %s", err)
			}
			defer f.Close()
			defer os.Remove(f.Name())
			if _, err := io.Copy(f, tr); err != nil {
				return fmt.Errorf("error reading slug: %s", err)
			}
			if _, err := f.Seek(0, os.SEEK_SET); err != nil {
				return fmt.Errorf("error seeking slug tempfile: %s", err)
			}
			slug = f
			uploadSize += header.Size
		case "postgres.dump":
			f, err := ioutil.TempFile("", "postgres.dump")
			if err != nil {
				return fmt.Errorf("error creating db tempfile: %s", err)
			}
			defer f.Close()
			defer os.Remove(f.Name())
			if _, err := io.Copy(f, tr); err != nil {
				return fmt.Errorf("error reading db dump: %s", err)
			}
			if _, err := f.Seek(0, os.SEEK_SET); err != nil {
				return fmt.Errorf("error seeking db tempfile: %s", err)
			}
			pgDump = f
			uploadSize += header.Size
		}
	}
//.........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8: 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9: 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

示例10: 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)
	}

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

	tw := backup.NewTarWriter(app.Name, dest, bar)
	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 == controller.ErrNotFound {
		// if the app has no release then there is nothing more to export
		return nil
	} else if err != nil {
		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)
		}
	}

	if artifactID := release.ImageArtifactID(); artifactID != "" {
		artifact, err := client.GetArtifact(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)
		}
	}

	// expect releases deployed via git to have a slug as their first file
	// artifact, and legacy releases to have SLUG_URL set
	var slugURL string
	if release.IsGitDeploy() && len(release.FileArtifactIDs()) > 0 {
		slugArtifact, err := client.GetArtifact(release.FileArtifactIDs()[0])
		if err != nil && err != controller.ErrNotFound {
			return fmt.Errorf("error retrieving slug artifact: %s", err)
		} else if err == nil {
			slugURL = slugArtifact.URI
		}
	} else if u, ok := release.Env["SLUG_URL"]; ok {
		slugURL = u
	}
	if slugURL != "" {
		reqR, reqW := io.Pipe()
		config := runConfig{
			App:        mustApp(),
			Release:    release.ID,
			DisableLog: true,
			Entrypoint: []string{"curl"},
			Args:       []string{"--include", "--raw", slugURL},
			Stdout:     reqW,
//.........這裏部分代碼省略.........
開發者ID:eldarion-gondor，項目名稱:cli，代碼行數:101，代碼來源:export.go

示例11: main

func main() {
	// check args
	if len(os.Args) < 3 {
		printUsage()
		return
	}
	sourceName, destName := os.Args[1], os.Args[2]

	// check source
	var source io.Reader
	var sourceSize int64
	if strings.HasPrefix(sourceName, "http://") {
		// open as url
		resp, err := http.Get(sourceName)
		if err != nil {
			fmt.Printf("Can't get %s: %v\n", sourceName, err)
			return
		}
		defer resp.Body.Close()
		if resp.StatusCode != http.StatusOK {
			fmt.Printf("Server return non-200 status: %v\n", resp.Status)
			return
		}
		i, _ := strconv.Atoi(resp.Header.Get("Content-Length"))
		sourceSize = int64(i)
		source = resp.Body
	} else {
		// open as file
		s, err := os.Open(sourceName)
		if err != nil {
			fmt.Printf("Can't open %s: %v\n", sourceName, err)
			return
		}
		defer s.Close()
		// get source size
		sourceStat, err := s.Stat()
		if err != nil {
			fmt.Printf("Can't stat %s: %v\n", sourceName, err)
			return
		}
		sourceSize = sourceStat.Size()
		source = s
	}

	// create dest
	dest, err := os.Create(destName)
	if err != nil {
		fmt.Printf("Can't create %s: %v\n", destName, err)
		return
	}
	defer dest.Close()

	// create bar
	bar := pb.New(int(sourceSize)).SetUnits(pb.U_BYTES).SetRefreshRate(time.Millisecond * 10)
	bar.ShowSpeed = true
	bar.Start()

	// create multi writer
	writer := io.MultiWriter(dest, bar)

	// and copy
	io.Copy(writer, source)
	bar.Finish()
}
開發者ID:devick，項目名稱:flynn，代碼行數:64，代碼來源:copy.go


注：本文中的github.com/flynn/flynn/Godeps/_workspace/src/github.com/cheggaaa/pb.New函數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。