Golang Factory.DefaultNamespace方法代码示例

// NewCmdWhoCan implements the OpenShift cli who-can command
func NewCmdWhoCan(name, fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	options := &whoCanOptions{}

	cmd := &cobra.Command{
		Use:   "who-can VERB RESOURCE",
		Short: "List who can perform the specified action on a resource",
		Long:  "List who can perform the specified action on a resource",
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.complete(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			var err error
			if options.client, _, err = f.Clients(); err != nil {
				kcmdutil.CheckErr(err)
			}
			if options.bindingNamespace, err = f.DefaultNamespace(); err != nil {
				kcmdutil.CheckErr(err)
			}
			if err := options.run(); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	return cmd
}

func (n *NodeOptions) Complete(f *clientcmd.Factory, c *cobra.Command, args []string, out io.Writer) error {
	defaultNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	_, kc, err := f.Clients()
	if err != nil {
		return err
	}
	cmdPrinter, output, err := kcmdutil.PrinterForCommand(c)
	if err != nil {
		return err
	}
	mapper, typer := f.Object()

	n.DefaultNamespace = defaultNamespace
	n.Kclient = kc
	n.Writer = out
	n.Mapper = mapper
	n.Typer = typer
	n.RESTClientFactory = f.Factory.RESTClient
	n.Printer = f.Printer
	n.NodeNames = []string{}
	n.CmdPrinter = cmdPrinter
	n.CmdPrinterOutput = false

	if output {
		n.CmdPrinterOutput = true
	}
	if len(args) != 0 {
		n.NodeNames = append(n.NodeNames, args...)
	}
	return nil
}

func (o *RoleModificationOptions) Complete(f *clientcmd.Factory, args []string, target *[]string, targetName string, isNamespaced bool) error {
	if len(args) < 2 {
		return fmt.Errorf("You must specify at least two arguments: <role> <%s> [%s]...", targetName, targetName)
	}

	o.RoleName = args[0]
	*target = append(*target, args[1:]...)

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

	if isNamespaced {
		roleBindingNamespace, err := f.DefaultNamespace()
		if err != nil {
			return err
		}
		o.RoleBindingAccessor = NewLocalRoleBindingAccessor(roleBindingNamespace, osClient)

	} else {
		o.RoleBindingAccessor = NewClusterRoleBindingAccessor(osClient)

	}

	return nil
}

func setupAppConfig(f *clientcmd.Factory, c *cobra.Command, args []string, config *newcmd.AppConfig) error {
	namespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	dockerClient, _, err := dockerutil.NewHelper().GetClient()
	if err == nil {
		if err = dockerClient.Ping(); err == nil {
			config.SetDockerClient(dockerClient)
		}
	}
	if err != nil {
		glog.V(2).Infof("No local Docker daemon detected: %v", err)
	}

	osclient, _, err := f.Clients()
	if err != nil {
		return err
	}
	config.SetOpenShiftClient(osclient, namespace)

	unknown := config.AddArguments(args)
	if len(unknown) != 0 {
		return cmdutil.UsageError(c, "Did not recognize the following arguments: %v", unknown)
	}

	return nil
}

func (v *VolumeOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, out io.Writer) error {
	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}
	v.OutputVersion = kcmdutil.OutputVersion(cmd, clientConfig.Version)

	cmdNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	mapper, typer := f.Object()

	v.DefaultNamespace = cmdNamespace
	v.Writer = out
	v.Mapper = mapper
	v.Typer = typer
	v.RESTClientFactory = f.Factory.RESTClient
	v.UpdatePodSpecForObject = f.UpdatePodSpecForObject

	if v.Add && len(v.Name) == 0 {
		v.Name = string(kutil.NewUUID())
		if len(v.Output) == 0 {
			fmt.Fprintf(v.Writer, "Generated volume name: %s\n", v.Name)
		}
	}
	// In case of volume source ignore the default volume type
	if len(v.AddOpts.Source) > 0 {
		v.AddOpts.Type = ""
	}
	return nil
}

// RunImportImage contains all the necessary functionality for the OpenShift cli import-image command.
func RunImportImage(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	if len(args) == 0 || len(args[0]) == 0 {
		return cmdutil.UsageError(cmd, "you must specify the name of an image stream.")
	}

	streamName := args[0]
	namespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

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

	imageStreamClient := osClient.ImageStreams(namespace)
	stream, err := imageStreamClient.Get(streamName)
	if err != nil {
		return err
	}

	if len(stream.Spec.DockerImageRepository) == 0 {
		return errors.New("only image streams with spec.dockerImageRepository set may have images imported")
	}

	if stream.Annotations == nil {
		stream.Annotations = make(map[string]string)
	}
	stream.Annotations[imageapi.DockerImageRepositoryCheckAnnotation] = ""

	updatedStream, err := imageStreamClient.Update(stream)
	if err != nil {
		return err
	}

	resourceVersion := updatedStream.ResourceVersion

	fmt.Fprintln(cmd.Out(), "Waiting for the import to complete, CTRL+C to stop waiting.")

	updatedStream, err = waitForImport(imageStreamClient, stream.Name, resourceVersion)
	if err != nil {
		return fmt.Errorf("unable to determine if the import completed successfully - please run 'oc describe -n %s imagestream/%s' to see if the tags were updated as expected: %v", stream.Namespace, stream.Name, err)
	}

	fmt.Fprintln(cmd.Out(), "The import completed successfully.\n")

	d := describe.ImageStreamDescriber{osClient}
	info, err := d.Describe(updatedStream.Namespace, updatedStream.Name)
	if err != nil {
		return err
	}

	fmt.Fprintln(out, info)
	return nil
}

func (o *RemoveFromProjectOptions) Complete(f *clientcmd.Factory, args []string, target *[]string, targetName string) error {
	if len(args) < 1 {
		return fmt.Errorf("You must specify at least one argument: <%s> [%s]...", targetName, targetName)
	}

	*target = append(*target, args...)

	var err error
	if o.Client, _, err = f.Clients(); err != nil {
		return err
	}
	if o.BindingNamespace, err = f.DefaultNamespace(); err != nil {
		return err
	}

	return nil
}

func (o *DeployOptions) Complete(f *clientcmd.Factory, args []string, out io.Writer) error {
	var err error

	o.osClient, o.kubeClient, err = f.Clients()
	if err != nil {
		return err
	}
	o.namespace, err = f.DefaultNamespace()
	if err != nil {
		return err
	}

	o.out = out

	if len(args) > 0 {
		o.deploymentConfigName = args[0]
	}

	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 {
		return cmdutil.UsageError(cmd, "A build name is required")
	}

	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
}

// RunBuildChain contains all the necessary functionality for the OpenShift
// experimental build-chain command
func RunBuildChain(f *clientcmd.Factory, cmd *cobra.Command, args []string) error {
	all := cmdutil.GetFlagBool(cmd, "all")
	allTags := cmdutil.GetFlagBool(cmd, "all-tags")
	if len(args) > 1 ||
		(len(args) == 1 && all) ||
		(len(args) == 0 && allTags) ||
		(all && allTags) {
		return cmdutil.UsageError(cmd, "Must pass nothing, an ImageStream name:tag combination, or specify the --all flag")
	}

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

	// Retrieve namespace(s)
	namespace := cmdutil.GetFlagString(cmd, "namespace")
	if len(namespace) == 0 {
		namespace, err = f.DefaultNamespace()
		if err != nil {
			return err
		}
	}
	namespaces := make([]string, 0)
	if all {
		projectList, err := oc.Projects().List(labels.Everything(), fields.Everything())
		if err != nil {
			return err
		}
		for _, project := range projectList.Items {
			glog.V(4).Infof("Found namespace %s", project.Name)
			namespaces = append(namespaces, project.Name)
		}
	}
	if len(namespaces) == 0 {
		namespaces = append(namespaces, namespace)
	}

	// Get all build configurations
	buildConfigList := make([]buildapi.BuildConfig, 0)
	for _, namespace := range namespaces {
		cfgList, err := oc.BuildConfigs(namespace).List(labels.Everything(), fields.Everything())
		if err != nil {
			return err
		}
		buildConfigList = append(buildConfigList, cfgList.Items...)
	}

	// Parse user input and validate specified image stream
	streams := make(map[string][]string)
	if !all && len(args) != 0 {
		name, specifiedTag, err := parseTag(args[0])
		if err != nil {
			return err
		}

		// Validate the specified image stream
		is, err := oc.ImageStreams(namespace).Get(name)
		if err != nil {
			return err
		}
		stream := join(namespace, name)

		// Validate specified tag
		tags := make([]string, 0)
		exists := false
		for tag := range is.Status.Tags {
			tags = append(tags, tag)
			if specifiedTag == tag {
				exists = true
			}
		}
		if !exists && !allTags {
			// The specified tag isn't a part of our image stream
			return fmt.Errorf("no tag %s exists in %s", specifiedTag, stream)
		} else if !allTags {
			// Use only the specified tag
			tags = []string{specifiedTag}
		}

		// Set the specified stream as the only one to output dependencies for
		streams[stream] = tags
	} else {
		streams = getStreams(buildConfigList)
	}

	if len(streams) == 0 {
		return fmt.Errorf("no ImageStream available for building its dependency tree")
	}

	output := cmdutil.GetFlagString(cmd, "output")
	for stream, tags := range streams {
		for _, tag := range tags {
			glog.V(4).Infof("Checking dependencies of stream %s tag %s", stream, tag)
			root, err := findStreamDeps(stream, tag, buildConfigList)
			if err != nil {
				return err
			}
//.........这里部分代码省略.........

// validate adds one layer of validation prior to calling the upstream
// expose command. Used only for validating services that are about
// to be exposed as routes.
func validate(cmd *cobra.Command, f *clientcmd.Factory, args []string) error {
	if cmdutil.GetFlagString(cmd, "generator") != "route/v1" {
		if len(cmdutil.GetFlagString(cmd, "hostname")) > 0 {
			return fmt.Errorf("cannot use --hostname without generating a route")
		}
		return nil
	}
	if err := validateFlags(cmd); err != nil {
		return err
	}

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

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

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(namespace).DefaultNamespace().
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}
	mapping, err := r.ResourceMapping()
	if err != nil {
		return err
	}
	infos, err := r.Infos()
	if err != nil {
		return err
	}
	if len(infos) > 1 {
		return fmt.Errorf("multiple resources provided: %v", args)
	}
	info := infos[0]

	switch mapping.Kind {
	case "Service":
		svc, err := kc.Services(info.Namespace).Get(info.Name)
		if err != nil {
			return err
		}

		supportsTCP := false
		for _, port := range svc.Spec.Ports {
			if port.Protocol == kapi.ProtocolTCP {
				supportsTCP = true
				break
			}
		}
		if !supportsTCP {
			return fmt.Errorf("service %s doesn't support TCP", info.Name)
		}
	default:
		return fmt.Errorf("cannot expose a %s as a route", mapping.Kind)
	}

	return nil
}

// RunCancelBuild contains all the necessary functionality for the OpenShift cli cancel-build command
func RunCancelBuild(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	if len(args) == 0 || len(args[0]) == 0 {
		return cmdutil.UsageError(cmd, "You must specify the name of a build to cancel.")
	}

	buildName := args[0]
	namespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	client, _, err := f.Clients()
	if err != nil {
		return err
	}
	buildClient := client.Builds(namespace)
	build, err := buildClient.Get(buildName)
	if err != nil {
		return err
	}

	if !isBuildCancellable(build) {
		return nil
	}

	// Print build logs before cancelling build.
	if cmdutil.GetFlagBool(cmd, "dump-logs") {
		opts := buildapi.BuildLogOptions{
			NoWait: true,
			Follow: false,
		}
		response, err := client.BuildLogs(namespace).Get(buildName, opts).Do().Raw()
		if err != nil {
			glog.Errorf("Could not fetch build logs for %s: %v", buildName, err)
		} else {
			glog.Infof("Build logs for %s:\n%v", buildName, string(response))
		}
	}

	// Mark build to be cancelled.
	for {
		build.Cancelled = true
		if _, err = buildClient.Update(build); err != nil && errors.IsConflict(err) {
			build, err = buildClient.Get(buildName)
			if err != nil {
				return err
			}
			continue
		}
		if err != nil {
			return err
		}
		break
	}
	glog.V(2).Infof("Build %s was cancelled.", buildName)

	// Create a new build with the same configuration.
	if cmdutil.GetFlagBool(cmd, "restart") {
		request := &buildapi.BuildRequest{
			ObjectMeta: kapi.ObjectMeta{Name: build.Name},
		}
		newBuild, err := client.Builds(namespace).Clone(request)
		if err != nil {
			return err
		}
		glog.V(2).Infof("Restarted build %s.", buildName)
		fmt.Fprintf(out, "%s\n", newBuild.Name)
	} else {
		fmt.Fprintf(out, "%s\n", build.Name)
	}
	return nil
}

// NewCmdRollback creates a CLI rollback command.
func NewCmdRollback(fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	rollback := &deployapi.DeploymentConfigRollback{
		Spec: deployapi.DeploymentConfigRollbackSpec{
			IncludeTemplate: true,
		},
	}

	cmd := &cobra.Command{
		Use:     "rollback DEPLOYMENT",
		Short:   "Revert part of an application back to a previous deployment",
		Long:    rollbackLong,
		Example: fmt.Sprintf(rollbackExample, fullName),
		Run: func(cmd *cobra.Command, args []string) {
			// Validate arguments
			if len(args) == 0 || len(args[0]) == 0 {
				cmdutil.CheckErr(cmdutil.UsageError(cmd, "A deployment name is required."))
			}

			// Extract arguments
			format := cmdutil.GetFlagString(cmd, "output")
			template := cmdutil.GetFlagString(cmd, "template")
			dryRun := cmdutil.GetFlagBool(cmd, "dry-run")

			// Get globally provided stuff
			namespace, err := f.DefaultNamespace()
			cmdutil.CheckErr(err)
			oClient, kClient, err := f.Clients()
			cmdutil.CheckErr(err)

			// Set up the rollback config
			rollback.Spec.From.Name = args[0]

			// Make a helper and generate a rolled back config
			helper := newHelper(oClient, kClient)
			config, err := helper.Generate(namespace, rollback)
			cmdutil.CheckErr(err)

			// If this is a dry run, print and exit
			if dryRun {
				err := helper.Describe(config, out)
				cmdutil.CheckErr(err)
				return
			}

			// If an output format is specified, print and exit
			if len(format) > 0 {
				err := helper.Print(config, format, template, out)
				cmdutil.CheckErr(err)
				return
			}

			// Perform the rollback
			rolledback, err := helper.Update(config)
			cmdutil.CheckErr(err)

			// Notify the user of any disabled image triggers
			fmt.Fprintf(out, "#%d rolled back to %s\n", rolledback.LatestVersion, rollback.Spec.From.Name)
			for _, trigger := range rolledback.Triggers {
				disabled := []string{}
				if trigger.Type == deployapi.DeploymentTriggerOnImageChange && !trigger.ImageChangeParams.Automatic {
					disabled = append(disabled, trigger.ImageChangeParams.From.Name)
				}
				if len(disabled) > 0 {
					reenable := fmt.Sprintf("%s deploy %s --enable-triggers", fullName, rolledback.Name)
					fmt.Fprintf(cmd.Out(), "Warning: the following images triggers were disabled: %s\n  You can re-enable them with: %s\n", strings.Join(disabled, ","), reenable)
				}
			}
		},
	}

	cmd.Flags().BoolVar(&rollback.Spec.IncludeTriggers, "change-triggers", false, "Include the previous deployment's triggers in the rollback")
	cmd.Flags().BoolVar(&rollback.Spec.IncludeStrategy, "change-strategy", false, "Include the previous deployment's strategy in the rollback")
	cmd.Flags().BoolVar(&rollback.Spec.IncludeReplicationMeta, "change-scaling-settings", false, "Include the previous deployment's replicationController replica count and selector in the rollback")
	cmd.Flags().BoolP("dry-run", "d", false, "Instead of performing the rollback, describe what the rollback will look like in human-readable form")
	cmd.Flags().StringP("output", "o", "", "Instead of performing the rollback, print the updated deployment configuration in the specified format (json|yaml|template|templatefile)")
	cmd.Flags().StringP("template", "t", "", "Template string or path to template file to use when -o=template or -o=templatefile.")

	return cmd
}

// RunProject contains all the necessary functionality for the OpenShift cli process command
func RunProcess(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	storedTemplate := ""
	if len(args) > 0 {
		storedTemplate = args[0]
	}

	filename := kcmdutil.GetFlagString(cmd, "filename")
	if len(storedTemplate) == 0 && len(filename) == 0 {
		return kcmdutil.UsageError(cmd, "Must pass a filename or name of stored template")
	}

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

	mapper, typer := f.Object()

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

	var (
		objects []runtime.Object
		infos   []*resource.Info
		mapping *meta.RESTMapping
	)

	version, kind, err := mapper.VersionAndKindForResource("template")
	if mapping, err = mapper.RESTMapping(kind, version); err != nil {
		return err
	}

	// When storedTemplate is not empty, then we fetch the template from the
	// server, otherwise we require to set the `-f` parameter.
	if len(storedTemplate) > 0 {
		templateObj, err := client.Templates(namespace).Get(storedTemplate)
		if err != nil {
			if errors.IsNotFound(err) {
				return fmt.Errorf("template %q could not be found", storedTemplate)
			}
			return err
		}
		templateObj.CreationTimestamp = util.Now()
		infos = append(infos, &resource.Info{Object: templateObj})
	} else {
		infos, err = resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
			NamespaceParam(namespace).RequireNamespace().
			FilenameParam(filename).
			Do().
			Infos()
		if err != nil {
			return err
		}
	}

	outputFormat := kcmdutil.GetFlagString(cmd, "output")

	for i := range infos {
		obj, ok := infos[i].Object.(*api.Template)
		if !ok {
			sourceName := filename
			if len(storedTemplate) > 0 {
				sourceName = namespace + "/" + storedTemplate
			}
			fmt.Fprintf(cmd.Out(), "unable to parse %q, not a valid Template but %s\n", sourceName, reflect.TypeOf(infos[i].Object))
			continue
		}

		// If 'parameters' flag is set it does not do processing but only print
		// the template parameters to console for inspection.
		// If multiple templates are passed, this will print combined output for all
		// templates.
		if kcmdutil.GetFlagBool(cmd, "parameters") {
			if len(infos) > 1 {
				fmt.Fprintf(out, "\n%s:\n", obj.Name)
			}
			if err := describe.PrintTemplateParameters(obj.Parameters, out); err != nil {
				fmt.Fprintf(cmd.Out(), "error printing parameters for %q: %v\n", obj.Name, err)
			}
			continue
		}

		if label := kcmdutil.GetFlagString(cmd, "labels"); len(label) > 0 {
			lbl, err := kubectl.ParseLabels(label)
			if err != nil {
				fmt.Fprintf(cmd.Out(), "error parsing labels: %v\n", err)
				continue
			}
			if obj.ObjectLabels == nil {
				obj.ObjectLabels = make(map[string]string)
			}
			for key, value := range lbl {
				obj.ObjectLabels[key] = value
			}
		}

		// Override the values for the current template parameters
//.........这里部分代码省略.........

// RunListBuildWebHooks prints the webhooks for the provided build config.
func RunListBuildWebHooks(f *clientcmd.Factory, out, errOut io.Writer, name string, isBuild bool, webhookFilter string) error {
	generic, github := false, false
	prefix := false
	switch webhookFilter {
	case "all":
		generic, github = true, true
		prefix = true
	case "generic":
		generic = true
	case "github":
		github = true
	default:
		return fmt.Errorf("--list-webhooks must be 'all', 'generic', or 'github'")
	}
	client, _, err := f.Clients()
	if err != nil {
		return err
	}
	namespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	if isBuild {
		build, err := client.Builds(namespace).Get(name)
		if err != nil {
			return err
		}
		ref := build.Config
		if ref == nil {
			return fmt.Errorf("the provided Build %q was not created from a BuildConfig and cannot have webhooks", name)
		}
		if len(ref.Namespace) > 0 {
			namespace = ref.Namespace
		}
		name = ref.Name
	}
	config, err := client.BuildConfigs(namespace).Get(name)
	if err != nil {
		return err
	}

	for _, t := range config.Triggers {
		hookType := ""
		switch {
		case t.GenericWebHook != nil && generic:
			if prefix {
				hookType = "generic "
			}
		case t.GitHubWebHook != nil && github:
			if prefix {
				hookType = "github "
			}
		default:
			continue
		}
		url, err := client.BuildConfigs(namespace).WebHookURL(name, &t)
		if err != nil {
			if err != osclient.ErrTriggerIsNotAWebHook {
				fmt.Fprintf(errOut, "error: unable to get webhook for %s: %v", name, err)
			}
			continue
		}
		fmt.Fprintf(out, "%s%s\n", hookType, url.String())
	}
	return nil
}