Golang FlagContext.IsSet方法代碼示例

func (cmd *SSH) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 1 {
		cmd.ui.Failed(T("Incorrect Usage. Requires APP_NAME as argument") + "\n\n" + commandregistry.Commands.CommandUsage("ssh"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 1)
	}

	if fc.IsSet("i") && fc.Int("i") < 0 {
		cmd.ui.Failed(fmt.Sprintf(T("Incorrect Usage:")+" %s\n\n%s", T("Value for flag 'app-instance-index' cannot be negative"), commandregistry.Commands.CommandUsage("ssh")))
		return nil, fmt.Errorf("Incorrect usage: app-instance-index cannot be negative")
	}

	var err error
	cmd.opts, err = options.NewSSHOptions(fc)

	if err != nil {
		cmd.ui.Failed(fmt.Sprintf(T("Incorrect Usage:")+" %s\n\n%s", err.Error(), commandregistry.Commands.CommandUsage("ssh")))
		return nil, err
	}

	cmd.appReq = requirementsFactory.NewApplicationRequirement(cmd.opts.AppName)

	reqs := []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
		requirementsFactory.NewTargetedSpaceRequirement(),
		cmd.appReq,
	}

	return reqs, nil
}

func (cmd *UpdateUserProvidedService) Execute(c flags.FlagContext) error {
	serviceInstance := cmd.serviceInstanceReq.GetServiceInstance()
	if !serviceInstance.IsUserProvided() {
		return errors.New(T("Service Instance is not user provided"))
	}

	drainURL := c.String("l")
	credentials := strings.Trim(c.String("p"), `'"`)
	routeServiceURL := c.String("r")

	credentialsMap := make(map[string]interface{})

	if c.IsSet("p") {
		jsonBytes, err := util.GetContentsFromFlagValue(credentials)
		if err != nil {
			return err
		}

		err = json.Unmarshal(jsonBytes, &credentialsMap)
		if err != nil {
			for _, param := range strings.Split(credentials, ",") {
				param = strings.Trim(param, " ")
				credentialsMap[param] = cmd.ui.Ask(param)
			}
		}
	}

	cmd.ui.Say(T("Updating user provided service {{.ServiceName}} in org {{.OrgName}} / space {{.SpaceName}} as {{.CurrentUser}}...",
		map[string]interface{}{
			"ServiceName": terminal.EntityNameColor(serviceInstance.Name),
			"OrgName":     terminal.EntityNameColor(cmd.config.OrganizationFields().Name),
			"SpaceName":   terminal.EntityNameColor(cmd.config.SpaceFields().Name),
			"CurrentUser": terminal.EntityNameColor(cmd.config.Username()),
		}))

	serviceInstance.Params = credentialsMap
	serviceInstance.SysLogDrainURL = drainURL
	serviceInstance.RouteServiceURL = routeServiceURL

	err := cmd.userProvidedServiceInstanceRepo.Update(serviceInstance.ServiceInstanceFields)
	if err != nil {
		return err
	}

	cmd.ui.Ok()
	cmd.ui.Say(T("TIP: Use '{{.CFRestageCommand}}' for any bound apps to ensure your env variable changes take effect",
		map[string]interface{}{
			"CFRestageCommand": terminal.CommandColor(cf.Name + " restage"),
		}))

	if routeServiceURL == "" && credentials == "" && drainURL == "" {
		cmd.ui.Warn(T("No flags specified. No changes were made."))
	}
	return nil
}

func (cmd *Curl) Execute(c flags.FlagContext) error {
	path := c.Args()[0]
	headers := c.StringSlice("H")

	var method string
	var body string

	if c.IsSet("d") {
		method = "POST"

		jsonBytes, err := util.GetContentsFromOptionalFlagValue(c.String("d"))
		if err != nil {
			return err
		}
		body = string(jsonBytes)
	}

	if c.IsSet("X") {
		method = c.String("X")
	}

	reqHeader := strings.Join(headers, "\n")

	responseHeader, responseBody, apiErr := cmd.curlRepo.Request(method, path, reqHeader, body)
	if apiErr != nil {
		return errors.New(T("Error creating request:\n{{.Err}}", map[string]interface{}{"Err": apiErr.Error()}))
	}

	if trace.LoggingToStdout && !cmd.pluginCall {
		return nil
	}

	if c.Bool("i") {
		cmd.ui.Say(responseHeader)
	}

	if c.String("output") != "" {
		err := cmd.writeToFile(responseBody, c.String("output"))
		if err != nil {
			return errors.New(T("Error creating request:\n{{.Err}}", map[string]interface{}{"Err": err}))
		}
	} else {
		if strings.Contains(responseHeader, "application/json") {
			buffer := bytes.Buffer{}
			err := json.Indent(&buffer, []byte(responseBody), "", "   ")
			if err == nil {
				responseBody = buffer.String()
			}
		}

		cmd.ui.Say(responseBody)
	}
	return nil
}

func (cmd *UnmapRoute) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 2 {
		cmd.ui.Failed(T("Incorrect Usage. Requires app_name, domain_name as arguments\n\n") + commandregistry.Commands.CommandUsage("unmap-route"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 2)
	}

	if fc.IsSet("port") && (fc.IsSet("hostname") || fc.IsSet("path")) {
		cmd.ui.Failed(T("Cannot specify port together with hostname and/or path."))
		return nil, fmt.Errorf("Cannot specify port together with hostname and/or path.")
	}

	domainName := fc.Args()[1]

	cmd.appReq = requirementsFactory.NewApplicationRequirement(fc.Args()[0])
	cmd.domainReq = requirementsFactory.NewDomainRequirement(domainName)

	var reqs []requirements.Requirement

	if fc.String("path") != "" {
		reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '--path'", cf.RoutePathMinimumAPIVersion))
	}

	if fc.IsSet("port") {
		reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '--port'", cf.TCPRoutingMinimumAPIVersion))
	}

	reqs = append(reqs, []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
		cmd.appReq,
		cmd.domainReq,
	}...)

	return reqs, nil
}

func (cmd *Files) Execute(c flags.FlagContext) error {
	app := cmd.appReq.GetApplication()

	var instance int
	if c.IsSet("i") {
		instance = c.Int("i")
		if instance < 0 {
			return errors.New(T("Invalid instance: {{.Instance}}\nInstance must be a positive integer",
				map[string]interface{}{
					"Instance": instance,
				}))
		}
		if instance >= app.InstanceCount {
			return errors.New(T("Invalid instance: {{.Instance}}\nInstance must be less than {{.InstanceCount}}",
				map[string]interface{}{
					"Instance":      instance,
					"InstanceCount": app.InstanceCount,
				}))
		}
	}

	cmd.ui.Say(T("Getting files for app {{.AppName}} in org {{.OrgName}} / space {{.SpaceName}} as {{.Username}}...",
		map[string]interface{}{
			"AppName":   terminal.EntityNameColor(app.Name),
			"OrgName":   terminal.EntityNameColor(cmd.config.OrganizationFields().Name),
			"SpaceName": terminal.EntityNameColor(cmd.config.SpaceFields().Name),
			"Username":  terminal.EntityNameColor(cmd.config.Username())}))

	path := "/"
	if len(c.Args()) > 1 {
		path = c.Args()[1]
	}

	list, err := cmd.appFilesRepo.ListFiles(app.GUID, instance, path)
	if err != nil {
		return err
	}

	cmd.ui.Ok()
	cmd.ui.Say("")

	if list == "" {
		cmd.ui.Say("Empty file or folder")
	} else {
		cmd.ui.Say("%s", list)
	}
	return nil
}

func (cmd *PurgeServiceOffering) Execute(c flags.FlagContext) error {
	serviceName := c.Args()[0]

	var offering models.ServiceOffering
	if c.IsSet("p") {
		var err error
		offering, err = cmd.serviceRepo.FindServiceOfferingByLabelAndProvider(serviceName, c.String("p"))
		if err != nil {
			if _, ok := err.(*errors.ModelNotFoundError); ok {
				cmd.ui.Warn(T("Service offering does not exist\nTIP: If you are trying to purge a v1 service offering, you must set the -p flag."))
				return nil
			}
			return err
		}
	} else {
		offerings, err := cmd.serviceRepo.FindServiceOfferingsByLabel(serviceName)
		if err != nil {
			if _, ok := err.(*errors.ModelNotFoundError); ok {
				cmd.ui.Warn(T("Service offering does not exist\nTIP: If you are trying to purge a v1 service offering, you must set the -p flag."))
				return nil
			}
			return err
		}
		offering = offerings[0]
	}

	confirmed := c.Bool("f")
	if !confirmed {
		cmd.ui.Warn(scaryWarningMessage())
		confirmed = cmd.ui.Confirm(T("Really purge service offering {{.ServiceName}} from Cloud Foundry?",
			map[string]interface{}{"ServiceName": serviceName},
		))
	}

	if !confirmed {
		return nil
	}

	cmd.ui.Say(T("Purging service {{.ServiceName}}...", map[string]interface{}{"ServiceName": serviceName}))

	err := cmd.serviceRepo.PurgeServiceOffering(offering)
	if err != nil {
		return err
	}

	cmd.ui.Ok()
	return nil
}

func (cmd *PurgeServiceOffering) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 1 {
		cmd.ui.Failed(T("Incorrect Usage. Requires an argument\n\n") + commandregistry.Commands.CommandUsage("purge-service-offering"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 1)
	}

	reqs := []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
	}

	if fc.IsSet("p") {
		reqs = append(reqs, requirementsFactory.NewMaxAPIVersionRequirement("Option '-p'", cf.ServiceAuthTokenMaximumAPIVersion))
	}

	return reqs, nil
}

func (cmd *UpdateSpaceQuota) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 1 {
		cmd.ui.Failed(T("Incorrect Usage. Requires an argument\n\n") + commandregistry.Commands.CommandUsage("update-space-quota"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 1)
	}

	reqs := []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
		requirementsFactory.NewTargetedOrgRequirement(),
	}

	if fc.IsSet("a") {
		reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '-a'", cf.SpaceAppInstanceLimitMinimumAPIVersion))
	}

	return reqs, nil
}

func (cmd *Target) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	usageReq := requirements.NewUsageRequirement(commandregistry.CLICommandUsagePresenter(cmd),
		T("No argument required"),
		func() bool {
			return len(fc.Args()) != 0
		},
	)

	reqs := []requirements.Requirement{
		usageReq,
		requirementsFactory.NewAPIEndpointRequirement(),
	}

	if fc.IsSet("o") || fc.IsSet("s") {
		reqs = append(reqs, requirementsFactory.NewLoginRequirement())
	}

	return reqs, nil
}

func (cmd *UpdateUserProvidedService) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 1 {
		cmd.ui.Failed(T("Incorrect Usage. Requires an argument\n\n") + commandregistry.Commands.CommandUsage("update-user-provided-service"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 1)
	}

	cmd.serviceInstanceReq = requirementsFactory.NewServiceInstanceRequirement(fc.Args()[0])

	reqs := []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
		cmd.serviceInstanceReq,
	}

	if fc.IsSet("r") {
		reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '-r'", cf.MultipleAppPortsMinimumAPIVersion))
	}

	return reqs, nil
}

func (cmd *CreateQuota) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 1 {
		cmd.ui.Failed(T("Incorrect Usage. Requires an argument\n\n") + commandregistry.Commands.CommandUsage("create-quota"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 1)
	}

	reqs := []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
	}

	if fc.IsSet("a") {
		reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '-a'", cf.OrgAppInstanceLimitMinimumAPIVersion))
	}

	if fc.IsSet("reserved-route-ports") {
		reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '--reserved-route-ports'", cf.ReservedRoutePortsMinimumAPIVersion))
	}

	return reqs, nil
}

func (cmd *CreateServiceBroker) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
	if len(fc.Args()) != 4 {
		cmd.ui.Failed(T("Incorrect Usage. Requires SERVICE_BROKER, USERNAME, PASSWORD, URL as arguments\n\n") + commandregistry.Commands.CommandUsage("create-service-broker"))
		return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 4)
	}

	reqs := []requirements.Requirement{
		requirementsFactory.NewLoginRequirement(),
	}

	if fc.IsSet("space-scoped") {
		reqs = append(
			reqs,
			requirementsFactory.NewTargetedSpaceRequirement(),
			requirementsFactory.NewMinAPIVersionRequirement("--space-scoped", cf.SpaceScopedMaximumAPIVersion),
		)
	}

	return reqs, nil
}

func NewSSHOptions(fc flags.FlagContext) (*SSHOptions, error) {
	sshOptions := &SSHOptions{}

	sshOptions.AppName = fc.Args()[0]
	sshOptions.Index = uint(fc.Int("i"))
	sshOptions.SkipHostValidation = fc.Bool("k")
	sshOptions.SkipRemoteExecution = fc.Bool("N")
	sshOptions.Command = fc.StringSlice("c")

	if fc.IsSet("L") {
		for _, arg := range fc.StringSlice("L") {
			forwardSpec, err := sshOptions.parseLocalForwardingSpec(arg)
			if err != nil {
				return sshOptions, err
			}
			sshOptions.ForwardSpecs = append(sshOptions.ForwardSpecs, *forwardSpec)
		}
	}

	if fc.IsSet("t") && fc.Bool("t") {
		sshOptions.TerminalRequest = RequestTTYYes
	}

	if fc.IsSet("tt") && fc.Bool("tt") {
		sshOptions.TerminalRequest = RequestTTYForce
	}

	if fc.Bool("T") {
		sshOptions.TerminalRequest = RequestTTYNo
	}

	return sshOptions, nil
}

func (cmd *CreateSpaceQuota) Execute(context flags.FlagContext) error {
	name := context.Args()[0]
	org := cmd.config.OrganizationFields()

	cmd.ui.Say(T("Creating space quota {{.QuotaName}} for org {{.OrgName}} as {{.Username}}...", map[string]interface{}{
		"QuotaName": terminal.EntityNameColor(name),
		"OrgName":   terminal.EntityNameColor(org.Name),
		"Username":  terminal.EntityNameColor(cmd.config.Username()),
	}))

	quota := models.SpaceQuota{
		Name:    name,
		OrgGUID: org.GUID,
	}

	memoryLimit := context.String("m")
	if memoryLimit != "" {
		parsedMemory, errr := formatters.ToMegabytes(memoryLimit)
		if errr != nil {
			return errors.New(T("Invalid memory limit: {{.MemoryLimit}}\n{{.Err}}", map[string]interface{}{"MemoryLimit": memoryLimit, "Err": errr}))
		}

		quota.MemoryLimit = parsedMemory
	}

	instanceMemoryLimit := context.String("i")
	var parsedMemory int64
	var err error
	if instanceMemoryLimit == "-1" || instanceMemoryLimit == "" {
		parsedMemory = -1
	} else {
		parsedMemory, err = formatters.ToMegabytes(instanceMemoryLimit)
		if err != nil {
			return errors.New(T("Invalid instance memory limit: {{.MemoryLimit}}\n{{.Err}}", map[string]interface{}{"MemoryLimit": instanceMemoryLimit, "Err": err}))
		}
	}

	quota.InstanceMemoryLimit = parsedMemory

	if context.IsSet("r") {
		quota.RoutesLimit = context.Int("r")
	}

	if context.IsSet("s") {
		quota.ServicesLimit = context.Int("s")
	}

	if context.IsSet("allow-paid-service-plans") {
		quota.NonBasicServicesAllowed = true
	}

	if context.IsSet("a") {
		quota.AppInstanceLimit = context.Int("a")
	} else {
		quota.AppInstanceLimit = resources.UnlimitedAppInstances
	}

	if context.IsSet("reserved-route-ports") {
		quota.ReservedRoutePortsLimit = json.Number(strconv.Itoa(context.Int("reserved-route-ports")))
	}

	err = cmd.quotaRepo.Create(quota)

	httpErr, ok := err.(errors.HTTPError)
	if ok && httpErr.ErrorCode() == errors.QuotaDefinitionNameTaken {
		cmd.ui.Ok()
		cmd.ui.Warn(T("Space Quota Definition {{.QuotaName}} already exists", map[string]interface{}{"QuotaName": quota.Name}))
		return nil
	}

	if err != nil {
		return err
	}

	cmd.ui.Ok()
	return nil
}

func (cmd *UpdateBuildpack) Execute(c flags.FlagContext) error {
	buildpack := cmd.buildpackReq.GetBuildpack()

	cmd.ui.Say(T("Updating buildpack {{.BuildpackName}}...", map[string]interface{}{"BuildpackName": terminal.EntityNameColor(buildpack.Name)}))

	updateBuildpack := false

	if c.IsSet("i") {
		position := c.Int("i")

		buildpack.Position = &position
		updateBuildpack = true
	}

	enabled := c.Bool("enable")
	disabled := c.Bool("disable")
	if enabled && disabled {
		return errors.New(T("Cannot specify both {{.Enabled}} and {{.Disabled}}.", map[string]interface{}{
			"Enabled":  "enabled",
			"Disabled": "disabled",
		}))
	}

	if enabled {
		buildpack.Enabled = &enabled
		updateBuildpack = true
	}
	if disabled {
		disabled = false
		buildpack.Enabled = &disabled
		updateBuildpack = true
	}

	lock := c.Bool("lock")
	unlock := c.Bool("unlock")
	if lock && unlock {
		return errors.New(T("Cannot specify both lock and unlock options."))
	}

	path := c.String("p")

	if path != "" && (lock || unlock) {
		return errors.New(T("Cannot specify buildpack bits and lock/unlock."))
	}

	if lock {
		buildpack.Locked = &lock
		updateBuildpack = true
	}
	if unlock {
		unlock = false
		buildpack.Locked = &unlock
		updateBuildpack = true
	}
	var (
		buildpackFile     *os.File
		buildpackFileName string
		err               error
	)
	if path != "" {
		buildpackFile, buildpackFileName, err = cmd.buildpackBitsRepo.CreateBuildpackZipFile(path)
		if err != nil {
			cmd.ui.Warn(T("Failed to create a local temporary zip file for the buildpack"))
			return err
		}
	}

	if updateBuildpack {
		newBuildpack, err := cmd.buildpackRepo.Update(buildpack)
		if err != nil {
			return errors.New(T("Error updating buildpack {{.Name}}\n{{.Error}}", map[string]interface{}{
				"Name":  terminal.EntityNameColor(buildpack.Name),
				"Error": err.Error(),
			}))
		}
		buildpack = newBuildpack
	}

	if path != "" {
		err := cmd.buildpackBitsRepo.UploadBuildpack(buildpack, buildpackFile, buildpackFileName)
		if err != nil {
			return errors.New(T("Error uploading buildpack {{.Name}}\n{{.Error}}", map[string]interface{}{
				"Name":  terminal.EntityNameColor(buildpack.Name),
				"Error": err.Error(),
			}))
		}
	}
	cmd.ui.Ok()
	return nil
}