Golang resource.ClientMapperFunc函数代码示例

func getMapperAndResult(f cmdutil.Factory, args []string, options *resource.FilenameOptions) (meta.RESTMapper, *resource.Mapper, *resource.Result, string, error) {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return nil, nil, nil, "", err
	}

	mapper, typer := f.Object()
	resourceMapper := &resource.Mapper{
		ObjectTyper:  typer,
		RESTMapper:   mapper,
		ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),

		// NB: we use `f.Decoder(false)` to get a plain deserializer for
		// the resourceMapper, since it's used to read in edits and
		// we don't want to convert into the internal version when
		// reading in edits (this would cause us to potentially try to
		// compare two different GroupVersions).
		Decoder: f.Decoder(false),
	}

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options).
		ResourceTypeOrNameArgs(true, args...).
		ContinueOnError().
		Flatten().
		Latest().
		Do()
	err = r.Err()
	if err != nil {
		return nil, nil, nil, "", err
	}
	return mapper, resourceMapper, r, cmdNamespace, err
}

func getMapperAndResult(f cmdutil.Factory, args []string, options *resource.FilenameOptions, editMode EditMode) (meta.RESTMapper, *resource.Mapper, *resource.Result, string, error) {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return nil, nil, nil, "", err
	}
	var mapper meta.RESTMapper
	var typer runtime.ObjectTyper
	switch editMode {
	case NormalEditMode:
		mapper, typer = f.Object()
	case EditBeforeCreateMode:
		mapper, typer, err = f.UnstructuredObject()
	default:
		return nil, nil, nil, "", fmt.Errorf("Not supported edit mode %q", editMode)
	}
	if err != nil {
		return nil, nil, nil, "", err
	}
	resourceMapper := &resource.Mapper{
		ObjectTyper:  typer,
		RESTMapper:   mapper,
		ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),

		// NB: we use `f.Decoder(false)` to get a plain deserializer for
		// the resourceMapper, since it's used to read in edits and
		// we don't want to convert into the internal version when
		// reading in edits (this would cause us to potentially try to
		// compare two different GroupVersions).
		Decoder: f.Decoder(false),
	}
	var b *resource.Builder
	switch editMode {
	case NormalEditMode:
		b = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
			ResourceTypeOrNameArgs(true, args...).
			Latest()
	case EditBeforeCreateMode:
		b = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme)
	default:
		return nil, nil, nil, "", fmt.Errorf("Not supported edit mode %q", editMode)
	}
	r := b.NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options).
		ContinueOnError().
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return nil, nil, nil, "", err
	}
	return mapper, resourceMapper, r, cmdNamespace, err
}

func (o *TriggersOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, args []string) error {
	cmdNamespace, explicit, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	if !cmd.Flags().Lookup("from-github").Changed {
		o.FromGitHub = nil
	}
	if !cmd.Flags().Lookup("from-webhook").Changed {
		o.FromWebHook = nil
	}
	if !cmd.Flags().Lookup("from-webhook-allow-env").Changed {
		o.FromWebHookAllowEnv = nil
	}

	if len(o.FromImage) > 0 {
		ref, err := imageapi.ParseDockerImageReference(o.FromImage)
		if err != nil {
			return fmt.Errorf("the value of --from-image does not appear to be a valid reference to an image: %v", err)
		}
		if len(ref.Registry) > 0 || len(ref.ID) > 0 {
			return fmt.Errorf("the value of --from-image must point to an image stream tag on this server")
		}
		if len(ref.Tag) == 0 {
			return fmt.Errorf("the value of --from-image must include the tag you wish to pull from")
		}
		o.FromImage = ref.NameString()
		o.FromImageNamespace = defaultNamespace(ref.Namespace, cmdNamespace)
	}

	count := o.count()
	o.Reset = count == 0 && (o.Auto || o.Manual)
	switch {
	case count == 0 && !o.Remove && !o.RemoveAll && !o.Auto && !o.Manual:
		o.PrintTable = true
	case !o.RemoveAll && !o.Auto && !o.Manual:
		o.Auto = true
	}

	mapper, typer := f.Object(false)
	o.Builder = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(explicit, false, o.Filenames...).
		SelectorParam(o.Selector).
		ResourceTypeOrNameArgs(o.All, args...).
		Flatten()

	output := kcmdutil.GetFlagString(cmd, "output")
	if len(output) != 0 {
		o.PrintObject = func(obj runtime.Object) error { return f.PrintObject(cmd, mapper, obj, o.Out) }
	}

	o.Encoder = f.JSONEncoder()
	o.ShortOutput = kcmdutil.GetFlagString(cmd, "output") == "name"
	o.Mapper = mapper

	return nil
}

// Deploys an app based on the given yaml or json file.
func DeployAppFromFile(spec *AppDeploymentFromFileSpec, createObjectFromInfoFn createObjectFromInfo) error {
	const (
		validate      = true
		emptyCacheDir = ""
	)

	factory := cmdutil.NewFactory(nil)
	schema, err := factory.Validator(validate, emptyCacheDir)
	if err != nil {
		return err
	}

	mapper, typer := factory.Object()
	reader := strings.NewReader(spec.Content)

	r := kubectlResource.NewBuilder(mapper, typer, kubectlResource.ClientMapperFunc(factory.ClientForMapping), factory.Decoder(true)).
		Schema(schema).
		NamespaceParam(api.NamespaceDefault).DefaultNamespace().
		Stream(reader, spec.Name).
		Flatten().
		Do()

	return r.Visit(func(info *kubectlResource.Info, err error) error {
		err = createObjectFromInfoFn(info)
		if err != nil {
			return err
		}
		log.Printf("%s is deployed", info.Name)
		return nil
	})
}

func RunStop(f cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer, options *resource.FilenameOptions) error {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		ResourceTypeOrNameArgs(false, args...).
		FilenameParam(enforceNamespace, options).
		SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
		SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
		Flatten().
		Do()
	if r.Err() != nil {
		return r.Err()
	}
	shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
	gracePeriod := cmdutil.GetFlagInt(cmd, "grace-period")
	waitForDeletion := false
	if gracePeriod == 0 {
		// To preserve backwards compatibility, but prevent accidental data loss, we convert --grace-period=0
		// into --grace-period=1 and wait until the object is successfully deleted.
		gracePeriod = 1
		waitForDeletion = true
	}
	return ReapResult(r, f, out, false, cmdutil.GetFlagBool(cmd, "ignore-not-found"), cmdutil.GetFlagDuration(cmd, "timeout"), gracePeriod, waitForDeletion, shortOutput, mapper, false)
}

// Create attempts to create each item generically, gathering all errors in the
// event a failure occurs. The contents of list will be updated to include the
// version from the server.
func (b *Bulk) Create(list *kapi.List, namespace string) []error {
	resourceMapper := &resource.Mapper{b.Typer, b.Mapper, resource.ClientMapperFunc(b.RESTClientFactory)}
	after := b.After
	if after == nil {
		after = func(*resource.Info, error) {}
	}

	errs := []error{}
	for i, item := range list.Items {
		info, err := resourceMapper.InfoForObject(item)
		if err != nil {
			errs = append(errs, err)
			after(info, err)
			continue
		}
		data, err := info.Mapping.Codec.Encode(item)
		if err != nil {
			errs = append(errs, err)
			after(info, err)
			continue
		}
		obj, err := resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data)
		if err != nil {
			errs = append(errs, err)
			after(info, err)
			continue
		}
		info.Refresh(obj, true)
		list.Items[i] = obj
		after(info, nil)
	}
	return errs
}

// ImportObjects imports objects into OpenShift from a particular location
// into a given namespace
func ImportObjects(f *clientcmd.Factory, ns, location string) error {
	mapper, typer := f.Object(false)
	schema, err := f.Validator(false, "")
	if err != nil {
		return err
	}
	data, err := bootstrap.Asset(location)
	if err != nil {
		return err
	}
	glog.V(8).Infof("Importing data:\n%s\n", string(data))
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(ns).
		DefaultNamespace().
		Stream(bytes.NewBuffer(data), location).
		Flatten().
		Do()

	return r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		glog.V(5).Infof("Creating %s/%s", info.Namespace, info.Name)
		if err = createAndRefresh(info); err != nil {
			return cmdutil.AddSourceToErr("creating", info.Source, err)
		}
		return nil
	})
}

// Complete turns a partially defined RollbackActions into a solvent structure
// which can be validated and used for a rollback.
func (o *RollbackOptions) Complete(f *clientcmd.Factory, args []string, out io.Writer) error {
	// Extract basic flags.
	if len(args) == 1 {
		o.TargetName = args[0]
	}
	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	o.Namespace = namespace

	// Set up client based support.
	mapper, typer := f.Object(false)
	o.getBuilder = func() *resource.Builder {
		return resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder())
	}

	oClient, kClient, err := f.Clients()
	if err != nil {
		return err
	}
	o.oc = oClient
	o.kc = kClient

	o.out = out
	return nil
}

func (o *DeleteOptions) Complete(f cmdutil.Factory, out, errOut io.Writer, args []string) error {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	// Set up client based support.
	mapper, typer, err := f.UnstructuredObject()
	if err != nil {
		return err
	}
	o.Mapper = mapper
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), unstructured.UnstructuredJSONScheme).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, &o.FilenameOptions).
		SelectorParam(o.Selector).
		SelectAllParam(o.DeleteAll).
		ResourceTypeOrNameArgs(false, args...).RequireObject(false).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}
	o.Result = r

	o.f = f
	// Set up writer
	o.Out = out
	o.ErrOut = errOut

	return nil
}

func (o *RolloutLatestOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, args []string, out io.Writer) error {
	if len(args) != 1 {
		return errors.New("one deployment config name is needed as argument.")
	}

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

	o.oc, o.kc, err = f.Clients()
	if err != nil {
		return err
	}

	o.mapper, o.typer = f.Object(false)
	o.infos, err = resource.NewBuilder(o.mapper, o.typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(namespace).
		ResourceNames("deploymentconfigs", args[0]).
		SingleResourceType().
		Do().Infos()
	if err != nil {
		return err
	}

	o.out = out
	o.shortOutput = kcmdutil.GetFlagString(cmd, "output") == "name"
	o.again = kcmdutil.GetFlagBool(cmd, "again")

	return nil
}

func RunHistory(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string, options *HistoryOptions) error {
	if len(args) == 0 && len(options.Filenames) == 0 {
		return cmdutil.UsageError(cmd, "Required resource not specified.")
	}
	revisionDetail := cmdutil.GetFlagInt64(cmd, "revision")

	mapper, typer := f.Object(false)

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

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
		ResourceTypeOrNameArgs(true, args...).
		ContinueOnError().
		Latest().
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		mapping := info.ResourceMapping()
		historyViewer, err := f.HistoryViewer(mapping)
		if err != nil {
			return err
		}
		historyInfo, err := historyViewer.History(info.Namespace, info.Name)
		if err != nil {
			return err
		}

		if revisionDetail > 0 {
			// Print details of a specific revision
			template, ok := historyInfo.RevisionToTemplate[revisionDetail]
			if !ok {
				return fmt.Errorf("unable to find revision %d of %s %q", revisionDetail, mapping.Resource, info.Name)
			}
			fmt.Fprintf(out, "%s %q revision %d\n", mapping.Resource, info.Name, revisionDetail)
			kubectl.DescribePodTemplate(template, out)
		} else {
			// Print all revisions
			formattedOutput, printErr := kubectl.PrintRolloutHistory(historyInfo, mapping.Resource, info.Name)
			if printErr != nil {
				return printErr
			}
			fmt.Fprintf(out, "%s\n", formattedOutput)
		}
		return nil
	})
	return err
}

func (o *ResourcesOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
	o.f = f
	o.Mapper, o.Typer = f.Object()
	o.UpdatePodSpecForObject = f.UpdatePodSpecForObject
	o.Encoder = f.JSONEncoder()
	o.ShortOutput = cmdutil.GetFlagString(cmd, "output") == "name"
	o.Record = cmdutil.GetRecordFlag(cmd)
	o.ChangeCause = f.Command()
	o.PrintObject = f.PrintObject
	o.Cmd = cmd

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

	builder := resource.NewBuilder(o.Mapper, o.Typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		//FilenameParam(enforceNamespace, o.Filenames...).
		FilenameParam(enforceNamespace, &o.FilenameOptions).
		Flatten()
	if !o.Local {
		builder = builder.
			SelectorParam(o.Selector).
			ResourceTypeOrNameArgs(o.All, args...).
			Latest()
	}

	o.Infos, err = builder.Do().Infos()
	if err != nil {
		return err
	}
	return nil
}

// Create attempts to create each item generically, gathering all errors in the
// event a failure occurs. The contents of list will be updated to include the
// version from the server.
func (b *Bulk) Create(list *kapi.List, namespace string) []error {
	resourceMapper := &resource.Mapper{b.Typer, b.Mapper, resource.ClientMapperFunc(b.RESTClientFactory)}
	after := b.After
	if after == nil {
		after = func(*resource.Info, error) {}
	}

	errs := []error{}
	for i, item := range list.Items {
		info, err := resourceMapper.InfoForObject(item)
		if err != nil {
			errs = append(errs, err)
			after(info, err)
			continue
		}
		obj, err := encodeAndCreate(info, namespace, item)
		if err != nil && b.Retry != nil {
			if obj := b.Retry(info, err); obj != nil {
				obj, err = encodeAndCreate(info, namespace, obj)
			}
		}
		if err != nil {
			errs = append(errs, err)
			after(info, err)
			continue
		}
		info.Refresh(obj, true)
		list.Items[i] = obj
		after(info, nil)
	}
	return errs
}

func (o *UndoOptions) CompleteUndo(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string) error {
	if len(args) == 0 && len(o.Filenames) == 0 {
		return cmdutil.UsageError(cmd, "Required resource not specified.")
	}

	o.ToRevision = cmdutil.GetFlagInt64(cmd, "to-revision")
	o.Mapper, o.Typer = f.Object(false)
	o.Out = out

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

	infos, err := resource.NewBuilder(o.Mapper, o.Typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, o.Recursive, o.Filenames...).
		ResourceTypeOrNameArgs(true, args...).
		Latest().
		Flatten().
		Do().
		Infos()
	if err != nil {
		return err
	}

	if len(infos) != 1 {
		return fmt.Errorf("rollout undo is only supported on individual resources - %d resources were found", len(infos))
	}
	o.Info = infos[0]
	o.Rollbacker, err = f.Rollbacker(o.Info.ResourceMapping())
	return err
}

// NewCmdNewApplication implements the OpenShift cli new-app command
func NewCmdNewApplication(fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	config := newcmd.NewAppConfig()
	config.Deploy = true

	cmd := &cobra.Command{
		Use:        "new-app (IMAGE | IMAGESTREAM | TEMPLATE | PATH | URL ...)",
		Short:      "Create a new application",
		Long:       fmt.Sprintf(newAppLong, fullName),
		Example:    fmt.Sprintf(newAppExample, fullName),
		SuggestFor: []string{"app", "application"},
		Run: func(c *cobra.Command, args []string) {
			mapper, typer := f.Object()
			config.Mapper = mapper
			config.Typer = typer
			config.ClientMapper = resource.ClientMapperFunc(f.ClientForMapping)

			err := RunNewApplication(fullName, f, out, c, args, config)
			if err == cmdutil.ErrExit {
				os.Exit(1)
			}
			kcmdutil.CheckErr(err)
		},
	}

	cmd.Flags().BoolVar(&config.AsTestDeployment, "as-test", config.AsTestDeployment, "If true create this application as a test deployment, which validates that the deployment succeeds and then scales down.")
	cmd.Flags().StringSliceVar(&config.SourceRepositories, "code", config.SourceRepositories, "Source code to use to build this application.")
	cmd.Flags().StringVar(&config.ContextDir, "context-dir", "", "Context directory to be used for the build.")
	cmd.Flags().StringSliceVarP(&config.ImageStreams, "image", "", config.ImageStreams, "Name of an image stream to use in the app. (deprecated)")
	cmd.Flags().MarkDeprecated("image", "use --image-stream instead")
	cmd.Flags().StringSliceVarP(&config.ImageStreams, "image-stream", "i", config.ImageStreams, "Name of an image stream to use in the app.")
	cmd.Flags().StringSliceVar(&config.DockerImages, "docker-image", config.DockerImages, "Name of a Docker image to include in the app.")
	cmd.Flags().StringSliceVar(&config.Templates, "template", config.Templates, "Name of a stored template to use in the app.")
	cmd.Flags().StringSliceVarP(&config.TemplateFiles, "file", "f", config.TemplateFiles, "Path to a template file to use for the app.")
	cmd.MarkFlagFilename("file", "yaml", "yml", "json")
	cmd.Flags().StringSliceVarP(&config.TemplateParameters, "param", "p", config.TemplateParameters, "Specify a list of key value pairs (e.g., -p FOO=BAR,BAR=FOO) to set/override parameter values in the template.")
	cmd.Flags().StringSliceVar(&config.Groups, "group", config.Groups, "Indicate components that should be grouped together as <comp1>+<comp2>.")
	cmd.Flags().StringSliceVarP(&config.Environment, "env", "e", config.Environment, "Specify key value pairs of environment variables to set into each container.")
	cmd.Flags().StringVar(&config.Name, "name", "", "Set name to use for generated application artifacts")
	cmd.Flags().StringVar(&config.Strategy, "strategy", "", "Specify the build strategy to use if you don't want to detect (docker|source).")
	cmd.Flags().StringP("labels", "l", "", "Label to set in all resources for this application.")
	cmd.Flags().BoolVar(&config.InsecureRegistry, "insecure-registry", false, "If true, indicates that the referenced Docker images are on insecure registries and should bypass certificate checking")
	cmd.Flags().BoolVarP(&config.AsList, "list", "L", false, "List all local templates and image streams that can be used to create.")
	cmd.Flags().BoolVarP(&config.AsSearch, "search", "S", false, "Search all templates, image streams, and Docker images that match the arguments provided.")
	cmd.Flags().BoolVar(&config.AllowMissingImages, "allow-missing-images", false, "If true, indicates that referenced Docker images that cannot be found locally or in a registry should still be used.")
	cmd.Flags().BoolVar(&config.AllowMissingImageStreamTags, "allow-missing-imagestream-tags", false, "If true, indicates that image stream tags that don't exist should still be used.")
	cmd.Flags().BoolVar(&config.AllowSecretUse, "grant-install-rights", false, "If true, a component that requires access to your account may use your token to install software into your project. Only grant images you trust the right to run with your token.")
	cmd.Flags().BoolVar(&config.SkipGeneration, "no-install", false, "Do not attempt to run images that describe themselves as being installable")
	cmd.Flags().BoolVar(&config.DryRun, "dry-run", false, "If true, do not actually create resources.")

	// TODO AddPrinterFlags disabled so that it doesn't conflict with our own "template" flag.
	// Need a better solution.
	// kcmdutil.AddPrinterFlags(cmd)
	cmd.Flags().StringP("output", "o", "", "Output format. One of: json|yaml|template|templatefile.")
	cmd.Flags().String("output-version", "", "Output the formatted object with the given version (default api-version).")
	cmd.Flags().Bool("no-headers", false, "When using the default output, don't print headers.")
	cmd.Flags().String("output-template", "", "Template string or path to template file to use when -o=template or -o=templatefile.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]")
	cmd.MarkFlagFilename("output-template")

	return cmd
}