Golang util.RecordChangeCause函数代码示例

func RunCreate(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, options *CreateOptions) error {
	schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
	if err != nil {
		return err
	}

	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)).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Filenames...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
			return cmdutil.AddSourceToErr("creating", info.Source, err)
		}

		if cmdutil.ShouldRecord(cmd, info) {
			if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
				return cmdutil.AddSourceToErr("creating", info.Source, err)
			}
		}

		if err := createAndRefresh(info); err != nil {
			return cmdutil.AddSourceToErr("creating", info.Source, err)
		}

		count++
		shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
		if !shortOutput {
			printObjectSpecificMessage(info.Object, out)
		}
		cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "created")
		return nil
	})
	if err != nil {
		return err
	}
	if count == 0 {
		return fmt.Errorf("no objects passed to create")
	}
	return nil
}

func (o *ResourcesOptions) Run() error {
	allErrs := []error{}
	patches := CalculatePatches(o.Infos, o.Encoder, func(info *resource.Info) (bool, error) {
		transformed := false
		_, err := o.UpdatePodSpecForObject(info.Object, func(spec *api.PodSpec) error {
			containers, _ := selectContainers(spec.Containers, o.ContainerSelector)
			if len(containers) != 0 {
				for i := range containers {
					containers[i].Resources = o.ResourceRequirements
					transformed = true
				}
			} else {
				allErrs = append(allErrs, fmt.Errorf("error: unable to find container named %s", o.ContainerSelector))
			}
			return nil
		})
		return transformed, err
	})

	for _, patch := range patches {
		info := patch.Info
		if patch.Err != nil {
			allErrs = append(allErrs, fmt.Errorf("error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err))
			continue
		}

		//no changes
		if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
			allErrs = append(allErrs, fmt.Errorf("info: %s %q was not changed\n", info.Mapping.Resource, info.Name))
			continue
		}

		if cmdutil.GetDryRunFlag(o.Cmd) {
			fmt.Fprintln(o.Err, "info: running in local mode...")
			return o.PrintObject(o.Cmd, o.Mapper, info.Object, o.Out)
		}

		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch.Patch)
		if err != nil {
			allErrs = append(allErrs, fmt.Errorf("failed to patch limit update to pod template %v\n", err))
			continue
		}
		info.Refresh(obj, true)

		//record this change (for rollout history)
		if o.Record || cmdutil.ContainsChangeCause(info) {
			if err := cmdutil.RecordChangeCause(obj, o.ChangeCause); err == nil {
				if obj, err = resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, obj); err != nil {
					allErrs = append(allErrs, fmt.Errorf("changes to %s/%s can't be recorded: %v\n", info.Mapping.Resource, info.Name, err))
				}
			}
		}
		info.Refresh(obj, true)
		cmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, false, "resource requirements updated")
	}
	return utilerrors.NewAggregate(allErrs)
}

// RunSelector executes the command.
func (o *SelectorOptions) RunSelector() error {
	if !o.local {
		o.builder = o.builder.ResourceTypeOrNameArgs(o.all, o.resources...).
			Latest()
	}
	r := o.builder.Do()
	err := r.Err()
	if err != nil {
		return err
	}

	return r.Visit(func(info *resource.Info, err error) error {
		patch := &Patch{Info: info}
		CalculatePatch(patch, o.encoder, func(info *resource.Info) ([]byte, error) {
			selectErr := updateSelectorForObject(info.Object, *o.selector)

			if selectErr == nil {
				return runtime.Encode(o.encoder, info.Object)
			}
			return nil, selectErr
		})

		if patch.Err != nil {
			return patch.Err
		}
		if o.local || o.dryrun {
			fmt.Fprintln(o.out, "running in local/dry-run mode...")
			o.PrintObject(info.Object)
			return nil
		}

		patched, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch.Patch)
		if err != nil {
			return err
		}

		if o.record || cmdutil.ContainsChangeCause(info) {
			if err := cmdutil.RecordChangeCause(patched, o.changeCause); err == nil {
				if patched, err = resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, patched); err != nil {
					return fmt.Errorf("changes to %s/%s can't be recorded: %v\n", info.Mapping.Resource, info.Name, err)
				}
			}
		}

		info.Refresh(patched, true)
		cmdutil.PrintSuccess(o.mapper, false, o.out, info.Mapping.Resource, info.Name, o.dryrun, "selector updated")
		return nil
	})
}

func visitAnnotation(cmd *cobra.Command, f cmdutil.Factory, updates *resource.Info, resourceMapper *resource.Mapper, encoder runtime.Encoder) ([]runtime.Object, error) {
	mutatedObjects := []runtime.Object{}
	annotationVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
	// iterate through all items to apply annotations
	err := annotationVisitor.Visit(func(info *resource.Info, incomingErr error) error {
		// put configuration annotation in "updates"
		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, encoder); err != nil {
			return err
		}
		if cmdutil.ShouldRecord(cmd, info) {
			if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
				return err
			}
		}
		mutatedObjects = append(mutatedObjects, info.Object)

		return nil

	})
	return mutatedObjects, err
}

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
	}

	// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
	obj, err := generator.Generate(params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	mapper, typer := f.Object()
	groupVersionKinds, _, err := typer.ObjectKinds(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}
	groupVersionKind := groupVersionKinds[0]

	if len(overrides) > 0 {
		codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
		obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}

	mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
	if err != nil {
		return nil, "", nil, nil, err
	}
	client, err := f.ClientForMapping(mapping)
	if err != nil {
		return nil, "", nil, nil, err
	}

	annotations, err := mapping.MetadataAccessor.Annotations(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}
	if cmdutil.GetRecordFlag(cmd) || len(annotations[kubectl.ChangeCauseAnnotation]) > 0 {
		if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil {
			return nil, "", nil, nil, err
		}
	}
	if !cmdutil.GetDryRunFlag(cmd) {
		resourceMapper := &resource.Mapper{
			ObjectTyper:  typer,
			RESTMapper:   mapper,
			ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
			Decoder:      f.Decoder(true),
		}
		info, err := resourceMapper.InfoForObject(obj, nil)
		if err != nil {
			return nil, "", nil, nil, err
		}

		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
			return nil, "", nil, nil, err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}
	return obj, groupVersionKind.Kind, mapper, mapping, err
}

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

	// validate flags
	if err := validateFlags(cmd); err != nil {
		return err
	}

	mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(namespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	infos, err := r.Infos()
	if err != nil {
		return err
	}
	if len(infos) > 1 {
		return fmt.Errorf("multiple resources provided: %v", args)
	}
	info := infos[0]
	mapping := info.ResourceMapping()
	if err := f.CanBeAutoscaled(mapping.GroupVersionKind.GroupKind()); err != nil {
		return err
	}

	// Get the generator, setup and validate all required parameters
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	generators := f.Generators("autoscale")
	generator, found := generators[generatorName]
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	name := info.Name
	params["default-name"] = name

	params["scaleRef-kind"] = mapping.GroupVersionKind.Kind
	params["scaleRef-name"] = name
	params["scaleRef-apiVersion"] = mapping.GroupVersionKind.GroupVersion().String()

	if err = kubectl.ValidateParams(names, params); err != nil {
		return err
	}
	// Check for invalid flags used against the present generator.
	if err := kubectl.EnsureFlagsValid(cmd, generators, generatorName); err != nil {
		return err
	}

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

	resourceMapper := &resource.Mapper{
		ObjectTyper:  typer,
		RESTMapper:   mapper,
		ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
		Decoder:      f.Decoder(true),
	}
	hpa, err := resourceMapper.InfoForObject(object, nil)
	if err != nil {
		return err
	}
	if cmdutil.ShouldRecord(cmd, hpa) {
		if err := cmdutil.RecordChangeCause(hpa.Object, f.Command()); err != nil {
			return err
		}
		object = hpa.Object
	}
	// TODO: extract this flag to a central location, when such a location exists.
	if cmdutil.GetFlagBool(cmd, "dry-run") {
		return f.PrintObject(cmd, mapper, object, out)
	}

	if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), hpa, f.JSONEncoder()); err != nil {
		return err
	}

	object, err = resource.NewHelper(hpa.Client, hpa.Mapping).Create(namespace, false, object)
	if err != nil {
		return err
	}

	if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
		return f.PrintObject(cmd, mapper, object, out)
	}
	cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "autoscaled")
	return nil
}

func RunApply(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, options *resource.FilenameOptions) error {
	shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
	schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
	if err != nil {
		return err
	}

	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)).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	encoder := f.JSONEncoder()
	decoder := f.Decoder(false)

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		// In this method, info.Object contains the object retrieved from the server
		// and info.VersionedObject contains the object decoded from the input source.
		if err != nil {
			return err
		}

		// Get the modified configuration of the object. Embed the result
		// as an annotation in the modified configuration, so that it will appear
		// in the patch sent to the server.
		modified, err := kubectl.GetModifiedConfiguration(info, true, encoder)
		if err != nil {
			return cmdutil.AddSourceToErr(fmt.Sprintf("retrieving modified configuration from:\n%v\nfor:", info), info.Source, err)
		}

		if err := info.Get(); err != nil {
			if !errors.IsNotFound(err) {
				return cmdutil.AddSourceToErr(fmt.Sprintf("retrieving current configuration of:\n%v\nfrom server for:", info), info.Source, err)
			}
			// Create the resource if it doesn't exist
			// First, update the annotation used by kubectl apply
			if err := kubectl.CreateApplyAnnotation(info, encoder); err != nil {
				return cmdutil.AddSourceToErr("creating", info.Source, err)
			}

			if cmdutil.ShouldRecord(cmd, info) {
				if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
					return cmdutil.AddSourceToErr("creating", info.Source, err)
				}
			}

			// Then create the resource and skip the three-way merge
			if err := createAndRefresh(info); err != nil {
				return cmdutil.AddSourceToErr("creating", info.Source, err)
			}
			count++
			cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "created")
			return nil
		}

		overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
		helper := resource.NewHelper(info.Client, info.Mapping)
		patcher := NewPatcher(encoder, decoder, info.Mapping, helper, overwrite)

		patchBytes, err := patcher.patch(info.Object, modified, info.Source, info.Namespace, info.Name)
		if err != nil {
			return cmdutil.AddSourceToErr(fmt.Sprintf("applying patch:\n%s\nto:\n%v\nfor:", patchBytes, info), info.Source, err)
		}

		if cmdutil.ShouldRecord(cmd, info) {
			patch, err := cmdutil.ChangeResourcePatch(info, f.Command())
			if err != nil {
				return err
			}
			_, err = helper.Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch)
			if err != nil {
				return cmdutil.AddSourceToErr(fmt.Sprintf("applying patch:\n%s\nto:\n%v\nfor:", patch, info), info.Source, err)
			}
		}

		count++
		cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "configured")
		return nil
	})

	if err != nil {
		return err
	}

	if count == 0 {
		return fmt.Errorf("no objects passed to apply")
//.........这里部分代码省略.........

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, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		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
		dataChangeMsg := "not labeled"
		if cmdutil.GetFlagBool(cmd, "dry-run") {
			err = labelFunc(info.Object, overwrite, resourceVersion, lbls, remove)
			if err != nil {
				return err
			}
			outputObj = info.Object
		} else {
			obj, err := info.Mapping.ConvertToVersion(info.Object, info.Mapping.GroupVersionKind.GroupVersion().String())
			if err != nil {
				return err
			}
			name, namespace := info.Name, info.Namespace
			oldData, err := json.Marshal(obj)
			if err != nil {
				return err
			}
			meta, err := api.ObjectMetaFor(obj)
			for _, label := range remove {
				if _, ok := meta.Labels[label]; !ok {
					fmt.Fprintf(out, "label %q not found.\n", label)
				}
			}

			if err := labelFunc(obj, overwrite, resourceVersion, lbls, remove); err != nil {
				return err
			}
			if cmdutil.ShouldRecord(cmd, info) {
				if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil {
					return err
				}
			}
			newData, err := json.Marshal(obj)
			if err != nil {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			return nil
		}

		results = editResults{
			file: file,
		}

		// parse the edited file
		updates, err := resourceMapper.InfoForData(edited, "edited-file")
		if err != nil {
			// syntax error
			containsError = true
			results.header.reasons = append(results.header.reasons, editReason{head: fmt.Sprintf("The edited file had a syntax error: %v", err)})
			continue
		}
		// not a syntax error as it turns out...
		containsError = false

		namespaceVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
		// need to make sure the original namespace wasn't changed while editing
		if err = namespaceVisitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
			return preservedFile(err, file, errOut)
		}

		mutatedObjects := []runtime.Object{}
		annotationVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
		// iterate through all items to apply annotations
		if err = annotationVisitor.Visit(func(info *resource.Info, incomingErr error) error {
			// put configuration annotation in "updates"
			if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, encoder); err != nil {
				return err
			}
			if cmdutil.ShouldRecord(cmd, info) {
				if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
					return err
				}
			}
			mutatedObjects = append(mutatedObjects, info.Object)

			return nil

		}); err != nil {
			return preservedFile(err, file, errOut)
		}

		// if we mutated a list in the visitor, persist the changes on the overall object
		if meta.IsListType(updates.Object) {
			meta.SetList(updates.Object, mutatedObjects)
		}

		patchVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
		err = patchVisitor.Visit(func(info *resource.Info, incomingErr error) error {
			currOriginalObj := originalObj

			// if we're editing a list, then navigate the list to find the item that we're currently trying to edit
			if meta.IsListType(originalObj) {
				currOriginalObj = nil
				editObjUID, err := meta.NewAccessor().UID(info.Object)
				if err != nil {
					return err
				}

				listItems, err := meta.ExtractList(originalObj)
				if err != nil {
					return err
				}

// RunLabel does the work
func (o *LabelOptions) RunLabel(f cmdutil.Factory, cmd *cobra.Command) error {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	changeCause := f.Command()
	mapper, typer := f.Object()
	b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, &o.FilenameOptions).
		Flatten()

	if !o.local {
		b = b.SelectorParam(o.selector).
			ResourceTypeOrNameArgs(o.all, o.resources...).
			Latest()
	}
	one := false
	r := b.Do().IntoSingular(&one)
	if err := r.Err(); err != nil {
		return err
	}

	smPatchVersion := strategicpatch.SMPatchVersionLatest
	if !o.local {
		smPatchVersion, err = cmdutil.GetServerSupportedSMPatchVersionFromFactory(f)
		if err != nil {
			return err
		}
	}

	// only apply resource version locking on a single resource
	if !one && len(o.resourceVersion) > 0 {
		return fmt.Errorf("--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
		dataChangeMsg := "not labeled"
		if o.dryrun || o.local {
			err = labelFunc(info.Object, o.overwrite, o.resourceVersion, o.newLabels, o.removeLabels)
			if err != nil {
				return err
			}
			outputObj = info.Object
		} else {
			obj, err := cmdutil.MaybeConvertObject(info.Object, info.Mapping.GroupVersionKind.GroupVersion(), info.Mapping)
			if err != nil {
				return err
			}
			name, namespace := info.Name, info.Namespace
			oldData, err := json.Marshal(obj)
			if err != nil {
				return err
			}
			accessor, err := meta.Accessor(obj)
			if err != nil {
				return err
			}
			for _, label := range o.removeLabels {
				if _, ok := accessor.GetLabels()[label]; !ok {
					fmt.Fprintf(o.out, "label %q not found.\n", label)
				}
			}

			if err := labelFunc(obj, o.overwrite, o.resourceVersion, o.newLabels, o.removeLabels); err != nil {
				return err
			}
			if cmdutil.ShouldRecord(cmd, info) {
				if err := cmdutil.RecordChangeCause(obj, changeCause); err != nil {
					return err
				}
			}
			newData, err := json.Marshal(obj)
			if err != nil {
				return err
			}
			if !reflect.DeepEqual(oldData, newData) {
				dataChangeMsg = "labeled"
			}
			patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj, smPatchVersion)
			createdPatch := err == nil
			if err != nil {
				glog.V(2).Infof("couldn't compute patch: %v", err)
			}

			mapping := info.ResourceMapping()
			client, err := f.ClientForMapping(mapping)
			if err != nil {
				return err
			}
			helper := resource.NewHelper(client, mapping)
//.........这里部分代码省略.........

func RunApply(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, options *ApplyOptions) error {
	shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
	schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
	if err != nil {
		return err
	}

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

	mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	encoder := f.JSONEncoder()
	decoder := f.Decoder(false)

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		// In this method, info.Object contains the object retrieved from the server
		// and info.VersionedObject contains the object decoded from the input source.
		if err != nil {
			return err
		}

		// Get the modified configuration of the object. Embed the result
		// as an annotation in the modified configuration, so that it will appear
		// in the patch sent to the server.
		modified, err := kubectl.GetModifiedConfiguration(info, true, encoder)
		if err != nil {
			return cmdutil.AddSourceToErr(fmt.Sprintf("retrieving modified configuration from:\n%v\nfor:", info), info.Source, err)
		}

		if err := info.Get(); err != nil {
			if !errors.IsNotFound(err) {
				return cmdutil.AddSourceToErr(fmt.Sprintf("retrieving current configuration of:\n%v\nfrom server for:", info), info.Source, err)
			}
			// Create the resource if it doesn't exist
			// First, update the annotation used by kubectl apply
			if err := kubectl.CreateApplyAnnotation(info, encoder); err != nil {
				return cmdutil.AddSourceToErr("creating", info.Source, err)
			}

			if cmdutil.ShouldRecord(cmd, info) {
				if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
					return cmdutil.AddSourceToErr("creating", info.Source, err)
				}
			}

			// Then create the resource and skip the three-way merge
			if err := createAndRefresh(info); err != nil {
				return cmdutil.AddSourceToErr("creating", info.Source, err)
			}
			count++
			cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "created")
			return nil
		}

		// Serialize the current configuration of the object from the server.
		current, err := runtime.Encode(encoder, info.Object)
		if err != nil {
			return cmdutil.AddSourceToErr(fmt.Sprintf("serializing current configuration from:\n%v\nfor:", info), info.Source, err)
		}

		// Retrieve the original configuration of the object from the annotation.
		original, err := kubectl.GetOriginalConfiguration(info)
		if err != nil {
			return cmdutil.AddSourceToErr(fmt.Sprintf("retrieving original configuration from:\n%v\nfor:", info), info.Source, err)
		}

		// Create the versioned struct from the original from the server for
		// strategic patch.
		// TODO: Move all structs in apply to use raw data. Can be done once
		// builder has a RawResult method which delivers raw data instead of
		// internal objects.
		versionedObject, _, err := decoder.Decode(current, nil, nil)
		if err != nil {
			return cmdutil.AddSourceToErr(fmt.Sprintf("converting encoded server-side object back to versioned struct:\n%v\nfor:", info), info.Source, err)
		}

		// Compute a three way strategic merge patch to send to server.
		patch, err := strategicpatch.CreateThreeWayMergePatch(original, modified, current, versionedObject, true)
		if err != nil {
			format := "creating patch with:\noriginal:\n%s\nmodified:\n%s\ncurrent:\n%s\nfrom:\n%v\nfor:"
			return cmdutil.AddSourceToErr(fmt.Sprintf(format, original, modified, current, info), info.Source, err)
		}

		helper := resource.NewHelper(info.Client, info.Mapping)
		_, err = helper.Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch)
//.........这里部分代码省略.........

func forceReplace(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool, options *resource.FilenameOptions) error {
	schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
	if err != nil {
		return err
	}

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

	for i, filename := range options.Filenames {
		if filename == "-" {
			tempDir, err := ioutil.TempDir("", "kubectl_replace_")
			if err != nil {
				return err
			}
			defer os.RemoveAll(tempDir)
			tempFilename := filepath.Join(tempDir, "resource.stdin")
			err = cmdutil.DumpReaderToFile(os.Stdin, tempFilename)
			if err != nil {
				return err
			}
			options.Filenames[i] = tempFilename
		}
	}

	mapper, typer, err := f.UnstructuredObject()
	if err != nil {
		return err
	}
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options).
		ResourceTypeOrNameArgs(false, args...).RequireObject(false).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}
	//Replace will create a resource if it doesn't exist already, so ignore not found error
	ignoreNotFound := true
	timeout := cmdutil.GetFlagDuration(cmd, "timeout")
	// By default use a reaper to delete all related resources.
	if cmdutil.GetFlagBool(cmd, "cascade") {
		glog.Warningf("\"cascade\" is set, kubectl will delete and re-create all resources managed by this resource (e.g. Pods created by a ReplicationController). Consider using \"kubectl rolling-update\" if you want to update a ReplicationController together with its Pods.")
		err = ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, timeout, cmdutil.GetFlagInt(cmd, "grace-period"), shortOutput, mapper, false)
	} else {
		err = DeleteResult(r, out, ignoreNotFound, shortOutput, mapper)
	}
	if err != nil {
		return err
	}

	if timeout == 0 {
		timeout = kubectl.Timeout
	}
	r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}

		return wait.PollImmediate(kubectl.Interval, timeout, func() (bool, error) {
			if err := info.Get(); !errors.IsNotFound(err) {
				return false, err
			}
			return true, nil
		})
	})

	r = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}

		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
			return err
		}

		if cmdutil.ShouldRecord(cmd, info) {
			if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
				return cmdutil.AddSourceToErr("replacing", info.Source, err)
			}
		}

//.........这里部分代码省略.........

//.........这里部分代码省略.........
				if len(results.edit) > 0 {
					preservedFile(nil, file, out)
				} else {
					os.Remove(file)
				}
				fmt.Fprintln(out, "Edit cancelled, no changes made.")
				continue
			}
			if !lines {
				if len(results.edit) > 0 {
					preservedFile(nil, file, out)
				} else {
					os.Remove(file)
				}
				fmt.Fprintln(out, "Edit cancelled, saved file was empty.")
				continue
			}

			results = editResults{
				file: file,
			}

			// parse the edited file
			updates, err := resourceMapper.InfoForData(edited, "edited-file")
			if err != nil {
				return fmt.Errorf("The edited file had a syntax error: %v", err)
			}

			// put configuration annotation in "updates"
			if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), updates, encoder); err != nil {
				return preservedFile(err, file, out)
			}
			if cmdutil.ShouldRecord(cmd, updates) {
				err = cmdutil.RecordChangeCause(updates.Object, f.Command())
				if err != nil {
					return err
				}
			}
			// encode updates back to "edited" since we'll only generate patch from "edited"
			if edited, err = runtime.Encode(encoder, updates.Object); err != nil {
				return preservedFile(err, file, out)
			}

			visitor := resource.NewFlattenListVisitor(updates, resourceMapper)

			// need to make sure the original namespace wasn't changed while editing
			if err = visitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
				return preservedFile(err, file, out)
			}

			// use strategic merge to create a patch
			originalJS, err := yaml.ToJSON(original)
			if err != nil {
				return preservedFile(err, file, out)
			}
			editedJS, err := yaml.ToJSON(edited)
			if err != nil {
				return preservedFile(err, file, out)
			}
			patch, err := strategicpatch.CreateStrategicMergePatch(originalJS, editedJS, obj)
			// TODO: change all jsonmerge to strategicpatch
			// for checking preconditions
			preconditions := []jsonmerge.PreconditionFunc{}
			if err != nil {
				glog.V(4).Infof("Unable to calculate diff, no merge is possible: %v", err)
				return preservedFile(err, file, out)

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
	}

	patchType := api.StrategicMergePatchType
	patchTypeString := strings.ToLower(cmdutil.GetFlagString(cmd, "type"))
	if len(patchTypeString) != 0 {
		ok := false
		patchType, ok = patchTypes[patchTypeString]
		if !ok {
			return cmdutil.UsageError(cmd, fmt.Sprintf("--type must be one of %v, not %q", sets.StringKeySet(patchTypes).List(), patchTypeString))
		}
	}

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

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		name, namespace := info.Name, info.Namespace
		mapping := info.ResourceMapping()
		client, err := f.ClientForMapping(mapping)
		if err != nil {
			return err
		}

		helper := resource.NewHelper(client, mapping)
		patchedObject, err := helper.Patch(namespace, name, patchType, patchBytes)
		if err != nil {
			return err
		}
		if cmdutil.ShouldRecord(cmd, info) {
			if err := cmdutil.RecordChangeCause(patchedObject, f.Command()); err == nil {
				// don't return an error on failure.  The patch itself succeeded, its only the hint for that change that failed
				// don't bother checking for failures of this replace, because a failure to indicate the hint doesn't fail the command
				// also, don't force the replacement.  If the replacement fails on a resourceVersion conflict, then it means this
				// record hint is likely to be invalid anyway, so avoid the bad hint
				resource.NewHelper(client, mapping).Replace(namespace, name, false, patchedObject)
			}
		}
		count++
		cmdutil.PrintSuccess(mapper, shortOutput, out, "", name, "patched")
		return nil
	})
	if err != nil {
		return err
	}
	if count == 0 {
		return fmt.Errorf("no objects passed to patch")
	}
	return nil
}

func RunPatch(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *PatchOptions) error {
	switch {
	case options.Local && len(args) != 0:
		return fmt.Errorf("cannot specify --local and server resources")
	}

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

	patchType := api.StrategicMergePatchType
	patchTypeString := strings.ToLower(cmdutil.GetFlagString(cmd, "type"))
	if len(patchTypeString) != 0 {
		ok := false
		patchType, ok = patchTypes[patchTypeString]
		if !ok {
			return cmdutil.UsageError(cmd, fmt.Sprintf("--type must be one of %v, not %q", sets.StringKeySet(patchTypes).List(), patchTypeString))
		}
	}

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

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		name, namespace := info.Name, info.Namespace
		mapping := info.ResourceMapping()
		client, err := f.ClientForMapping(mapping)
		if err != nil {
			return err
		}

		if !options.Local {
			helper := resource.NewHelper(client, mapping)
			patchedObject, err := helper.Patch(namespace, name, patchType, patchBytes)
			if err != nil {
				return err
			}
			if cmdutil.ShouldRecord(cmd, info) {
				if err := cmdutil.RecordChangeCause(patchedObject, f.Command()); err == nil {
					// don't return an error on failure.  The patch itself succeeded, its only the hint for that change that failed
					// don't bother checking for failures of this replace, because a failure to indicate the hint doesn't fail the command
					// also, don't force the replacement.  If the replacement fails on a resourceVersion conflict, then it means this
					// record hint is likely to be invalid anyway, so avoid the bad hint
					resource.NewHelper(client, mapping).Replace(namespace, name, false, patchedObject)
				}
			}
			count++

			if options.OutputFormat == "name" || len(options.OutputFormat) == 0 {
				cmdutil.PrintSuccess(mapper, options.OutputFormat == "name", out, "", name, "patched")
			}
			return nil
		}

		count++

		patchedObj, err := api.Scheme.DeepCopy(info.VersionedObject)
		if err != nil {
			return err
		}
		originalObjJS, err := runtime.Encode(api.Codecs.LegacyCodec(), info.VersionedObject.(runtime.Object))
		if err != nil {
			return err
		}
		originalPatchedObjJS, err := getPatchedJSON(patchType, originalObjJS, patchBytes, patchedObj.(runtime.Object))
		if err != nil {
			return err
		}
		targetObj, err := runtime.Decode(api.Codecs.UniversalDecoder(), originalPatchedObjJS)
		if err != nil {
			return err
		}
		// TODO: if we ever want to go generic, this allows a clean -o yaml without trying to print columns or anything
		// rawExtension := &runtime.Unknown{
		// 	Raw: originalPatchedObjJS,
		// }
//.........这里部分代码省略.........