Golang Command.Printf方法代码示例

// runCreate is the code that implements the create command.
func runCreate(cmd *cobra.Command, args []string) {
	cmd.Printf("Creating User : Name[%s] Email[%s] Pass[%s]\n", create.name, create.email, create.pass)

	if create.name == "" && create.email == "" && create.pass == "" {
		cmd.Help()
		return
	}

	u, err := auth.NewUser(auth.NUser{
		Status:   auth.StatusActive,
		FullName: create.name,
		Email:    create.email,
		Password: create.pass,
	})
	if err != nil {
		cmd.Println("Creating User : ", err)
		return
	}

	if err := auth.CreateUser("", conn, u); err != nil {
		cmd.Println("Creating User : ", err)
		return
	}

	webTok, err := auth.CreateWebToken("", conn, u, 24*365*time.Hour)
	if err != nil {
		cmd.Println("Creating User : ", err)
		return
	}

	cmd.Printf("\nToken: %s\n\n", webTok)
}

func commitContainer(ctx *cobra.Command, args []string) {
	if len(args) < 2 {
		ErrorExit(ctx, "Needs two arguments to commit <CONTAINER-NAME|ID> to <IMAGE-NAME[:TAG]>")
	}

	reg, name, tag, err := client.ParseRepositoryName(args[1])
	if err != nil {
		log.Fatal(err)
	}

	if reg != "" {
		name = reg + "/" + name
	}

	docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
	if err != nil {
		log.Fatal(err)
	}

	if _, err := docker.CommitContainer(args[0], name, tag, message, author, boolPause); err != nil {
		log.Fatal(err)
	}

	ctx.Printf("Committed %s as %s:%s\n", args[0], name, tag)
}

func (t *tufCommander) tufAdd(cmd *cobra.Command, args []string) error {
	if len(args) < 3 {
		cmd.Usage()
		return fmt.Errorf("Must specify a GUN, target, and path to target data")
	}
	config, err := t.configGetter()
	if err != nil {
		return err
	}

	gun := args[0]
	targetName := args[1]
	targetPath := args[2]

	// no online operations are performed by add so the transport argument
	// should be nil
	nRepo, err := notaryclient.NewNotaryRepository(
		config.GetString("trust_dir"), gun, getRemoteTrustServer(config), nil, t.retriever)
	if err != nil {
		return err
	}

	target, err := notaryclient.NewTarget(targetName, targetPath)
	if err != nil {
		return err
	}
	// If roles is empty, we default to adding to targets
	if err = nRepo.AddTarget(target, t.roles...); err != nil {
		return err
	}
	cmd.Printf(
		"Addition of target \"%s\" to repository \"%s\" staged for next publish.\n",
		targetName, gun)
	return nil
}

func tufAdd(cmd *cobra.Command, args []string) {
	if len(args) < 3 {
		cmd.Usage()
		fatalf("Must specify a GUN, target, and path to target data")
	}
	parseConfig()

	gun := args[0]
	targetName := args[1]
	targetPath := args[2]

	// no online operations are performed by add so the transport argument
	// should be nil
	nRepo, err := notaryclient.NewNotaryRepository(mainViper.GetString("trust_dir"), gun, getRemoteTrustServer(), nil, retriever)
	if err != nil {
		fatalf(err.Error())
	}

	target, err := notaryclient.NewTarget(targetName, targetPath)
	if err != nil {
		fatalf(err.Error())
	}
	err = nRepo.AddTarget(target)
	if err != nil {
		fatalf(err.Error())
	}
	cmd.Printf(
		"Addition of target \"%s\" to repository \"%s\" staged for next publish.\n",
		targetName, gun)
}

func publishAndPrintToCLI(cmd *cobra.Command, nRepo *notaryclient.NotaryRepository, gun string) error {
	if err := nRepo.Publish(); err != nil {
		return err
	}
	cmd.Printf("Successfully published changes for repository %s\n", gun)
	return nil
}

// runIndex issues the command talking to the web service.
func runIndex(cmd *cobra.Command, args []string) error {
	cmd.Printf("Ensure Indexes : Name[%s]\n", index.name)

	set, err := runGetSet(cmd, index.name)
	if err != nil {
		return err
	}

	verb := "PUT"
	url := "/v1/index/" + index.name

	data, err := json.Marshal(set)
	if err != nil {
		return err
	}

	cmd.Printf("\n%s\n\n", string(data))

	if _, err := web.Request(cmd, verb, url, bytes.NewBuffer(data)); err != nil {
		return err
	}

	cmd.Println("\n", "Ensure Indexes : Ensured")
	return nil
}

// runExecWeb issues the command talking to the web service.
func runExecWeb(cmd *cobra.Command, vars map[string]string) error {
	verb := "GET"
	url := "/v1/exec/" + exe.name

	if len(vars) > 0 {
		var i int
		for k, v := range vars {
			if i == 0 {
				url += "?"
			} else {
				url += "&"
			}
			i++

			url += k + "=" + v
		}
	}

	resp, err := web.Request(cmd, verb, url, nil)
	if err != nil {
		return err
	}

	cmd.Printf("\n%s\n\n", resp)
	return nil
}

func (t *tufCommander) tufRemove(cmd *cobra.Command, args []string) error {
	if len(args) < 2 {
		return fmt.Errorf("Must specify a GUN and target")
	}
	config, err := t.configGetter()
	if err != nil {
		return err
	}

	gun := args[0]
	targetName := args[1]

	trustPin, err := getTrustPinning(config)
	if err != nil {
		return err
	}

	// no online operation are performed by remove so the transport argument
	// should be nil.
	repo, err := notaryclient.NewNotaryRepository(
		config.GetString("trust_dir"), gun, getRemoteTrustServer(config), nil, t.retriever, trustPin)
	if err != nil {
		return err
	}
	// If roles is empty, we default to removing from targets
	if err = repo.RemoveTarget(targetName, t.roles...); err != nil {
		return err
	}

	cmd.Printf("Removal of %s from %s staged for next publish.\n", targetName, gun)
	return nil
}

func logoutRegistry(ctx *cobra.Command, args []string) {
	reg := client.INDEX_SERVER
	if len(args) > 0 {
		reg = args[0]
	}

	config, err := client.LoadConfig(configPath)
	if err != nil {
		log.Fatal(err)
	}

	registry, notFound := config.GetRegistry(reg)
	if (notFound != nil) || (registry.Credentials == "") {
		log.Fatalf("Not logged in to a Docker registry at %s", reg)
	}

	config.LogoutRegistry(reg)

	if err := config.SaveConfig(configPath); err != nil {
		log.Fatal(err)
	}

	ctx.Printf("Removed login credentials for a Docker registry at %s\n\n", reg)

	listRegistries(ctx, args)
}

// runStatus is the code that implements the status command.
func runStatus(cmd *cobra.Command, args []string) {
	cmd.Printf("Status User : Pid[%s] Email[%s] Active[%v]\n", status.pid, status.email, status.active)

	if status.pid == "" && status.email == "" {
		cmd.Help()
		return
	}

	db := db.NewMGO()
	defer db.CloseMGO()

	var publicID string
	if status.pid != "" {
		publicID = status.pid
	} else {
		u, err := auth.GetUserByEmail("", db, status.email, false)
		if err != nil {
			cmd.Println("Status User : ", err)
			return
		}
		publicID = u.PublicID
	}

	st := auth.StatusDisabled
	if status.active {
		st = auth.StatusActive
	}

	if err := auth.UpdateUserStatus("", db, publicID, st); err != nil {
		cmd.Println("Status User : ", err)
		return
	}

	cmd.Println("Status User : Updated")
}

func tagImage(ctx *cobra.Command, args []string) {
	if len(args) < 2 {
		ErrorExit(ctx, "Needs two arguments <NAME[:TAG]|ID> <NEW-NAME[:TAG]>")
	}

	reg, name, tag, err := client.ParseRepositoryName(args[1])
	if err != nil {
		log.Fatal(err)
	}

	if reg != "" {
		name = reg + "/" + name
	}

	docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
	if err != nil {
		log.Fatal(err)
	}

	if err := docker.TagImage(args[0], name, tag, boolForce); err != nil {
		log.Fatal(err)
	}

	ctx.Printf("Tagged %s as %s:%s\n", args[0], name, tag)
}

// runExecute is the code that implements the execute command.
func runExecute(cmd *cobra.Command, args []string) error {
	cmd.Printf("Executing View : Name[%s]\n", execute.viewName)

	// Validate the input parameters.
	if execute.viewName == "" || execute.itemKey == "" {
		return fmt.Errorf("view name and item key must be specified")
	}

	// Ready the view parameters.
	viewParams := wire.ViewParams{
		ViewName:          execute.viewName,
		ItemKey:           execute.itemKey,
		ResultsCollection: execute.resultsCollection,
		BufferLimit:       execute.bufferLimit,
	}

	// Execute the view.
	results, err := wire.Execute("", mgoDB, graphDB, &viewParams)
	if err != nil {
		return err
	}

	// Prepare the results for printing.
	data, err := json.MarshalIndent(results, "", "    ")
	if err != nil {
		return err
	}

	cmd.Printf("\n%s\n\n", string(data))
	cmd.Println("\n", "Executing View : Executed")
	return nil
}

func getContainerChanges(ctx *cobra.Command, args []string) {
	if len(args) < 1 {
		ErrorExit(ctx, "Needs an argument <NAME|ID> to get changes")
	}

	docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
	if err != nil {
		log.Fatal(err)
	}

	changes, err := docker.GetContainerChanges(args[0])
	if err != nil {
		log.Fatal(err)
	}

	for _, change := range changes {
		var kind string
		switch change.Kind {
		case api.CHANGE_TYPE_MODIFY:
			kind = "C"
		case api.CHANGE_TYPE_ADD:
			kind = "A"
		case api.CHANGE_TYPE_DELETE:
			kind = "D"
		}
		ctx.Printf("%s %s\n", kind, change.Path)
	}
}

func printCert(cmd *cobra.Command, cert *x509.Certificate) {
	timeDifference := cert.NotAfter.Sub(time.Now())
	certID, err := trustmanager.FingerprintCert(cert)
	if err != nil {
		fatalf("Could not fingerprint certificate: %v", err)
	}

	cmd.Printf("%s %s (expires in: %v days)\n", cert.Subject.CommonName, certID, math.Floor(timeDifference.Hours()/24))
}

func (t *tufCommander) tufAddByHash(cmd *cobra.Command, args []string) error {
	if len(args) < 3 || t.sha256 == "" && t.sha512 == "" {
		cmd.Usage()
		return fmt.Errorf("Must specify a GUN, target, byte size of target data, and at least one hash")
	}
	config, err := t.configGetter()
	if err != nil {
		return err
	}

	gun := args[0]
	targetName := args[1]
	targetSize := args[2]

	targetInt64Len, err := strconv.ParseInt(targetSize, 0, 64)
	if err != nil {
		return err
	}

	trustPin, err := getTrustPinning(config)
	if err != nil {
		return err
	}

	// no online operations are performed by add so the transport argument
	// should be nil
	nRepo, err := notaryclient.NewFileCachedNotaryRepository(
		config.GetString("trust_dir"), gun, getRemoteTrustServer(config), nil, t.retriever, trustPin)
	if err != nil {
		return err
	}

	targetHashes, err := getTargetHashes(t)
	if err != nil {
		return err
	}

	// Manually construct the target with the given byte size and hashes
	target := &notaryclient.Target{Name: targetName, Hashes: targetHashes, Length: targetInt64Len}

	// If roles is empty, we default to adding to targets
	if err = nRepo.AddTarget(target, t.roles...); err != nil {
		return err
	}
	// Include the hash algorithms we're using for pretty printing
	hashesUsed := []string{}
	for hashName := range targetHashes {
		hashesUsed = append(hashesUsed, hashName)
	}
	cmd.Printf(
		"Addition of target \"%s\" by %s hash to repository \"%s\" staged for next publish.\n",
		targetName, strings.Join(hashesUsed, ", "), gun)

	return maybeAutoPublish(cmd, t.autoPublish, gun, config, t.retriever)
}