Golang Factory.ClientMapperForCommand方法代码示例

func RunUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
	schema, err := f.Validator()
	if err != nil {
		return err
	}

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

	patch := cmdutil.GetFlagString(cmd, "patch")
	if len(filenames) == 0 && len(patch) == 0 {
		return cmdutil.UsageError(cmd, "Must specify --filename or --patch to update")
	}
	if len(filenames) != 0 && len(patch) != 0 {
		return cmdutil.UsageError(cmd, "Can not specify both --filename and --patch")
	}

	// TODO: Make patching work with -f, updating with patched JSON input files
	if len(filenames) == 0 {
		name, err := updateWithPatch(cmd, args, f, patch)
		if err != nil {
			return err
		}
		fmt.Fprintf(out, "%s\n", name)
		return nil
	}
	if len(filenames) == 0 {
		return cmdutil.UsageError(cmd, "Must specify --filename to update")
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).RequireNamespace().
		FilenameParam(filenames...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	return r.Visit(func(info *resource.Info) error {
		data, err := info.Mapping.Codec.Encode(info.Object)
		if err != nil {
			return err
		}
		obj, err := resource.NewHelper(info.Client, info.Mapping).Update(info.Namespace, info.Name, true, data)
		if err != nil {
			return err
		}
		info.Refresh(obj, true)
		printObjectSpecificMessage(obj, out)
		fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
		return nil
	})
}

func DescribeMatchingResources(mapper meta.RESTMapper, typer runtime.ObjectTyper, describer kubectl.Describer, f *cmdutil.Factory, namespace, rsrc, prefix string, out io.Writer, originalError error) error {
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		NamespaceParam(namespace).DefaultNamespace().
		ResourceTypeOrNameArgs(true, rsrc).
		SingleResourceType().
		Flatten().
		Do()
	infos, err := r.Infos()
	if err != nil {
		return err
	}
	isFound := false
	for ix := range infos {
		info := infos[ix]
		if strings.HasPrefix(info.Name, prefix) {
			isFound = true
			s, err := describer.Describe(info.Namespace, info.Name)
			if err != nil {
				return err
			}
			fmt.Fprintf(out, "%s\n", s)
		}
	}
	if !isFound {
		return originalError
	}
	return nil
}

func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, filenames...).
		SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
		SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
		ResourceTypeOrNameArgs(false, args...).RequireObject(false).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	ignoreNotFound := cmdutil.GetFlagBool(cmd, "ignore-not-found")
	// By default use a reaper to delete all related resources.
	if cmdutil.GetFlagBool(cmd, "cascade") {
		return ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
	}
	return DeleteResult(r, out, ignoreNotFound)
}

func (o *AddSecretOptions) Complete(f *cmdutil.Factory, args []string, typeFlag string) error {
	if len(args) < 2 {
		return errors.New("must have service account name and at least one secret name")
	}
	o.TargetName = args[0]
	o.SecretNames = args[1:]

	loweredTypeFlag := strings.ToLower(typeFlag)
	switch loweredTypeFlag {
	case string(PullType):
		o.Type = PullType
	case string(MountType):
		o.Type = MountType
	default:
		return fmt.Errorf("unknown for: %v", typeFlag)
	}

	var err error
	o.ClientInterface, err = f.Client()
	if err != nil {
		return err
	}

	o.Namespace, err = f.DefaultNamespace()
	if err != nil {
		return err
	}

	o.Mapper, o.Typer = f.Object()
	o.ClientMapper = f.ClientMapperForCommand()

	return nil
}

// RunScale executes the scaling
func RunScale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool) error {
	if len(os.Args) > 1 && os.Args[1] == "resize" {
		printDeprecationWarning("scale", "resize")
	}

	count := cmdutil.GetFlagInt(cmd, "replicas")
	if count < 0 {
		return cmdutil.UsageError(cmd, "--replicas=COUNT RESOURCE NAME")
	}

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

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).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]

	scaler, err := f.Scaler(mapping)
	if err != nil {
		return err
	}

	resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
	currentSize := cmdutil.GetFlagInt(cmd, "current-replicas")
	precondition := &kubectl.ScalePrecondition{currentSize, resourceVersion}
	retry := kubectl.NewRetryParams(kubectl.Interval, kubectl.Timeout)
	waitForReplicas := kubectl.NewRetryParams(kubectl.Interval, kubectl.Timeout)
	if err := scaler.Scale(info.Namespace, info.Name, uint(count), precondition, retry, waitForReplicas); err != nil {
		return err
	}
	cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "scaled")
	return nil
}

func RunResize(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	count := cmdutil.GetFlagInt(cmd, "replicas")
	if len(args) != 2 || count < 0 {
		return cmdutil.UsageError(cmd, "--replicas=COUNT RESOURCE ID")
	}

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

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).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
	}
	info := infos[0]

	resizer, err := f.Resizer(mapping)
	if err != nil {
		return err
	}

	resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
	currentSize := cmdutil.GetFlagInt(cmd, "current-replicas")
	precondition := &kubectl.ResizePrecondition{currentSize, resourceVersion}
	cond := kubectl.ResizeCondition(resizer, precondition, info.Namespace, info.Name, uint(count))

	msg := "resized"
	if err = wait.Poll(retryFrequency, retryTimeout, cond); err != nil {
		msg = fmt.Sprintf("Failed to resize controller in spite of retrying for %s", retryTimeout)
		if err != nil {
			return err
		}
	}
	fmt.Fprintf(out, "%s\n", msg)
	return nil
}

func RunClusterInfo(factory *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
	if os.Args[1] == "clusterinfo" {
		printDeprecationWarning("cluster-info", "clusterinfo")
	}

	client, err := factory.ClientConfig()
	if err != nil {
		return err
	}
	printService(out, "Kubernetes master", client.Host)

	mapper, typer := factory.Object()
	cmdNamespace := cmdutil.GetFlagString(cmd, "namespace")
	if cmdNamespace == "" {
		cmdNamespace = api.NamespaceSystem
	}

	// TODO use generalized labels once they are implemented (#341)
	b := resource.NewBuilder(mapper, typer, factory.ClientMapperForCommand()).
		NamespaceParam(cmdNamespace).DefaultNamespace().
		SelectorParam("kubernetes.io/cluster-service=true").
		ResourceTypeOrNameArgs(false, []string{"services"}...).
		Latest()
	b.Do().Visit(func(r *resource.Info) error {
		services := r.Object.(*api.ServiceList).Items
		for _, service := range services {
			var link string
			if len(service.Status.LoadBalancer.Ingress) > 0 {
				ingress := service.Status.LoadBalancer.Ingress[0]
				ip := ingress.IP
				if ip == "" {
					ip = ingress.Hostname
				}
				for _, port := range service.Spec.Ports {
					link += "http://" + ip + ":" + strconv.Itoa(port.Port) + " "
				}
			} else {
				link = client.Host + "/api/" + client.Version + "/proxy/namespaces/" + service.ObjectMeta.Namespace + "/services/" + service.ObjectMeta.Name
			}
			name := service.ObjectMeta.Labels["kubernetes.io/name"]
			if len(name) == 0 {
				name = service.ObjectMeta.Name
			}
			printService(out, name, link)
		}
		return nil
	})
	return nil

	// TODO consider printing more information about cluster
}

func updateWithPatch(cmd *cobra.Command, args []string, f *cmdutil.Factory, patch string) (string, error) {
	cmdNamespace, err := f.DefaultNamespace()
	if err != nil {
		return "", err
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return "", err
	}
	mapping, err := r.ResourceMapping()
	if err != nil {
		return "", err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return "", err
	}

	infos, err := r.Infos()
	if err != nil {
		return "", err
	}
	name, namespace := infos[0].Name, infos[0].Namespace

	helper := resource.NewHelper(client, mapping)
	obj, err := helper.Get(namespace, name)
	if err != nil {
		return "", err
	}

	patchedObj, err := cmdutil.Merge(obj, patch, mapping.Kind)
	if err != nil {
		return "", err
	}

	data, err := helper.Codec.Encode(patchedObj)
	if err != nil {
		return "", err
	}

	_, err = helper.Update(namespace, name, true, data)
	return name, err
}

func RunDescribe(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	selector := cmdutil.GetFlagString(cmd, "selector")
	cmdNamespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	if len(args) == 0 {
		fmt.Fprint(out, "You must specify the type of resource to describe. ", valid_resources)
		return cmdutil.UsageError(cmd, "Required resource not specified.")
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		SelectorParam(selector).
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}
	mapping, err := r.ResourceMapping()
	if err != nil {
		return err
	}

	describer, err := f.Describer(mapping)
	if err != nil {
		return err
	}
	infos, err := r.Infos()
	if err != nil {
		if apierrors.IsNotFound(err) && len(args) == 2 {
			return DescribeMatchingResources(mapper, typer, describer, f, cmdNamespace, args[0], args[1], out, err)
		}
		return err
	}

	for _, info := range infos {
		s, err := describer.Describe(info.Namespace, info.Name)
		if err != nil {
			return err
		}
		fmt.Fprintf(out, "%s\n\n", s)
	}

	return nil
}

func RunReplace(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
	if os.Args[1] == "update" {
		printDeprecationWarning("replace", "update")
	}
	schema, err := f.Validator()
	if err != nil {
		return err
	}

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

	force := cmdutil.GetFlagBool(cmd, "force")
	if len(filenames) == 0 {
		return cmdutil.UsageError(cmd, "Must specify --filename to replace")
	}

	if force {
		return forceReplace(f, out, cmd, args, filenames)
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, filenames...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	return r.Visit(func(info *resource.Info) error {
		data, err := info.Mapping.Codec.Encode(info.Object)
		if err != nil {
			return cmdutil.AddSourceToErr("replacing", info.Source, err)
		}
		obj, err := resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, true, data)
		if err != nil {
			return cmdutil.AddSourceToErr("replacing", info.Source, err)
		}
		info.Refresh(obj, true)
		printObjectSpecificMessage(obj, out)
		fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
		return nil
	})
}

func RunCreate(f *cmdutil.Factory, out io.Writer, filenames util.StringList, shortOutput bool) error {
	schema, err := f.Validator()
	if err != nil {
		return err
	}

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

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		Schema(schema).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, filenames...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	count := 0
	err = r.Visit(func(info *resource.Info) error {
		data, err := info.Mapping.Codec.Encode(info.Object)
		if err != nil {
			return cmdutil.AddSourceToErr("creating", info.Source, err)
		}
		obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, data)
		if err != nil {
			return cmdutil.AddSourceToErr("creating", info.Source, err)
		}
		count++
		info.Refresh(obj, true)
		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 RunCreate(f *cmdutil.Factory, out io.Writer, filenames util.StringList) error {
	schema, err := f.Validator()
	if err != nil {
		return err
	}

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

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).RequireNamespace().
		FilenameParam(filenames...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	count := 0
	err = r.Visit(func(info *resource.Info) error {
		data, err := info.Mapping.Codec.Encode(info.Object)
		if err != nil {
			return err
		}
		if err := schema.ValidateBytes(data); err != nil {
			return err
		}
		obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, data)
		if err != nil {
			return err
		}
		count++
		info.Refresh(obj, true)
		fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
		return nil
	})
	if err != nil {
		return err
	}
	if count == 0 {
		return fmt.Errorf("no objects passed to create")
	}
	return nil
}

func RunPatch(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool) error {
	cmdNamespace, _, 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")
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}
	mapping, err := r.ResourceMapping()
	if err != nil {
		return err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return err
	}

	infos, err := r.Infos()
	if err != nil {
		return err
	}
	name, namespace := infos[0].Name, infos[0].Namespace

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

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

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

	describer, err := f.Describer(mapping)
	if err != nil {
		return err
	}
	infos, err := r.Infos()
	if err != nil {
		if errors.IsNotFound(err) && len(args) == 2 {
			return DescribeMatchingResources(mapper, typer, describer, f, cmdNamespace, args[0], args[1], out)
		}
		return err
	}
	if len(infos) > 1 {
		return fmt.Errorf("multiple resources provided: %v", args)
	}
	info := infos[0]

	s, err := describer.Describe(info.Namespace, info.Name)
	if err != nil {
		return err
	}
	fmt.Fprintf(out, "%s\n", s)
	return nil
}

func RunStop(f *cmdutil.Factory, cmd *cobra.Command, args []string, filenames util.StringList, out io.Writer) error {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		ResourceTypeOrNameArgs(false, args...).
		FilenameParam(enforceNamespace, filenames...).
		SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
		SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
		Flatten().
		Do()
	if r.Err() != nil {
		return r.Err()
	}
	return ReapResult(r, f, out, false, cmdutil.GetFlagBool(cmd, "ignore-not-found"), cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
}