示例#1
0
文件: describe.go 项目: ncdc/origin
func RunDescribe(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *DescribeOptions, describerSettings *kubectl.DescriberSettings) error {
	selector := cmdutil.GetFlagString(cmd, "selector")
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	if len(args) == 0 && len(options.Filenames) == 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(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...).
		SelectorParam(selector).
		ResourceTypeOrNameArgs(true, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

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

	first := true
	for _, info := range infos {
		mapping := info.ResourceMapping()
		describer, err := f.Describer(mapping)
		if err != nil {
			allErrs = append(allErrs, err)
			continue
		}
		s, err := describer.Describe(info.Namespace, info.Name, *describerSettings)
		if err != nil {
			allErrs = append(allErrs, err)
			continue
		}
		if first {
			first = false
		} else {
			fmt.Fprintf(out, "\n\n")
		}
		fmt.Fprint(out, s)
	}

	return utilerrors.NewAggregate(allErrs)
}
示例#2
0
func RunDescribe(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	selector := cmdutil.GetFlagString(cmd, "selector")
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	filenames := cmdutil.GetFlagStringSlice(cmd, "filename")
	if len(args) == 0 && len(filenames) == 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().
		FilenameParam(enforceNamespace, filenames...).
		SelectorParam(selector).
		ResourceTypeOrNameArgs(true, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

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

	for _, info := range infos {
		mapping := info.ResourceMapping()
		describer, err := f.Describer(mapping)
		if err != nil {
			allErrs = append(allErrs, err)
			continue
		}
		s, err := describer.Describe(info.Namespace, info.Name)
		if err != nil {
			allErrs = append(allErrs, err)
			continue
		}
		fmt.Fprintf(out, "%s\n\n", s)
	}

	return errors.NewAggregate(allErrs)
}
示例#3
0
func DescribeMatchingResources(mapper meta.RESTMapper, typer runtime.ObjectTyper, f *cmdutil.Factory, namespace, rsrc, prefix string, describerSettings *kubectl.DescriberSettings, out io.Writer, originalError error) error {
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(namespace).DefaultNamespace().
		ResourceTypeOrNameArgs(true, rsrc).
		SingleResourceType().
		Flatten().
		Do()
	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 {
		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, *describerSettings)
			if err != nil {
				return err
			}
			fmt.Fprintf(out, "%s\n", s)
		}
	}
	if !isFound {
		return originalError
	}
	return nil
}