Golang Factory.RESTClient方法代碼示例

func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
	err := kubectl.ValidateParams(names, params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	mapper, typer := f.Object()
	version, kind, err := typer.ObjectVersionAndKind(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}

	if len(overrides) > 0 {
		obj, err = cmdutil.Merge(obj, overrides, kind)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}

	mapping, err := mapper.RESTMapping(kind, version)
	if err != nil {
		return nil, "", nil, nil, err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return nil, "", nil, nil, err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
		info, err := resourceMapper.InfoForObject(obj)
		if err != nil {
			return nil, "", nil, nil, err
		}

		// Serialize the configuration into an annotation.
		if err := kubectl.UpdateApplyAnnotation(info); err != nil {
			return nil, "", nil, nil, err
		}

		// Serialize the object with the annotation applied.
		data, err := mapping.Codec.Encode(info.Object)
		if err != nil {
			return nil, "", nil, nil, err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}
	return obj, kind, mapper, mapping, err
}

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

	patch := cmdutil.GetFlagString(cmd, "patch")
	if len(patch) == 0 {
		return cmdutil.UsageError(cmd, "Must specify -p to patch")
	}
	patchBytes, err := yaml.ToJSON([]byte(patch))
	if err != nil {
		return fmt.Errorf("unable to parse %q: %v", patch, err)
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Filenames...).
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	infos, err := r.Infos()
	if err != nil {
		return err
	}
	if len(infos) > 1 {
		return fmt.Errorf("multiple resources provided")
	}
	info := infos[0]
	name, namespace := info.Name, info.Namespace
	mapping := info.ResourceMapping()
	client, err := f.RESTClient(mapping)
	if err != nil {
		return err
	}

	helper := resource.NewHelper(client, mapping)
	_, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes)
	if err != nil {
		return err
	}
	cmdutil.PrintSuccess(mapper, shortOutput, out, "", name, "patched")
	return nil
}

// RunAnnotate does the work
func (o AnnotateOptions) RunAnnotate(f *cmdutil.Factory) error {
	r := o.builder.Do()
	if err := r.Err(); err != nil {
		return err
	}

	return r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}

		name, namespace, obj := info.Name, info.Namespace, info.Object
		oldData, err := json.Marshal(obj)
		if err != nil {
			return err
		}
		if err := o.updateAnnotations(obj); err != nil {
			return err
		}
		newData, err := json.Marshal(obj)
		if err != nil {
			return err
		}
		patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
		if err != nil {
			return err
		}

		mapping := info.ResourceMapping()
		client, err := f.RESTClient(mapping)
		if err != nil {
			return err
		}
		helper := resource.NewHelper(client, mapping)

		_, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes)
		return err
	})
}

func RunLabel(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *LabelOptions) error {
	resources, labelArgs := []string{}, []string{}
	first := true
	for _, s := range args {
		isLabel := strings.Contains(s, "=") || strings.HasSuffix(s, "-")
		switch {
		case first && isLabel:
			first = false
			fallthrough
		case !first && isLabel:
			labelArgs = append(labelArgs, s)
		case first && !isLabel:
			resources = append(resources, s)
		case !first && !isLabel:
			return cmdutil.UsageError(cmd, "all resources must be specified before label changes: %s", s)
		}
	}
	if len(resources) < 1 && len(options.Filenames) == 0 {
		return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>")
	}
	if len(labelArgs) < 1 {
		return cmdutil.UsageError(cmd, "at least one label update is required")
	}

	selector := cmdutil.GetFlagString(cmd, "selector")
	all := cmdutil.GetFlagBool(cmd, "all")
	overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
	resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")

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

	lbls, remove, err := parseLabels(labelArgs)
	if err != nil {
		return cmdutil.UsageError(cmd, err.Error())
	}
	mapper, typer := f.Object()
	b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Filenames...).
		SelectorParam(selector).
		ResourceTypeOrNameArgs(all, resources...).
		Flatten().
		Latest()

	one := false
	r := b.Do().IntoSingular(&one)
	if err := r.Err(); err != nil {
		return err
	}

	// only apply resource version locking on a single resource
	if !one && len(resourceVersion) > 0 {
		return cmdutil.UsageError(cmd, "--resource-version may only be used with a single resource")
	}

	// TODO: support bulk generic output a la Get
	return r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}

		var outputObj runtime.Object
		if cmdutil.GetFlagBool(cmd, "dry-run") {
			err = labelFunc(info.Object, overwrite, resourceVersion, lbls, remove)
			if err != nil {
				return err
			}
			outputObj = info.Object
		} else {
			name, namespace, obj := info.Name, info.Namespace, info.Object
			oldData, err := json.Marshal(obj)
			if err != nil {
				return err
			}
			if err := labelFunc(obj, overwrite, resourceVersion, lbls, remove); err != nil {
				return err
			}
			newData, err := json.Marshal(obj)
			if err != nil {
				return err
			}
			patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
			if err != nil {
				return err
			}

			mapping := info.ResourceMapping()
			client, err := f.RESTClient(mapping)
			if err != nil {
				return err
			}
			helper := resource.NewHelper(client, mapping)

			outputObj, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes)
			if err != nil {
				return err
//.........這裏部分代碼省略.........

func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
	if len(os.Args) > 1 && os.Args[1] == "run-container" {
		printDeprecationWarning("run", "run-container")
	}

	if len(args) == 0 {
		return cmdutil.UsageError(cmd, "NAME is required for run")
	}

	interactive := cmdutil.GetFlagBool(cmd, "stdin")
	tty := cmdutil.GetFlagBool(cmd, "tty")
	if tty && !interactive {
		return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true")
	}
	replicas := cmdutil.GetFlagInt(cmd, "replicas")
	if interactive && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
	}

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

	restartPolicy, err := getRestartPolicy(cmd, interactive)
	if err != nil {
		return err
	}
	if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas))
	}
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	if len(generatorName) == 0 {
		if restartPolicy == api.RestartPolicyAlways {
			generatorName = "run/v1"
		} else {
			generatorName = "run-pod/v1"
		}
	}
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	params["name"] = args[0]
	if len(args) > 1 {
		params["args"] = args[1:]
	}

	params["env"] = cmdutil.GetFlagStringSlice(cmd, "env")

	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	version, kind, err := typer.ObjectVersionAndKind(obj)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		obj, err = cmdutil.Merge(obj, inline, kind)
		if err != nil {
			return err
		}
	}

	mapping, err := mapper.RESTMapping(kind, version)
	if err != nil {
		return err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
		info, err := resourceMapper.InfoForObject(obj)
		if err != nil {
			return err
		}

		// Serialize the configuration into an annotation.
		if err := kubectl.UpdateApplyAnnotation(info); err != nil {
			return err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
		if err != nil {
//.........這裏部分代碼省略.........