func mustSchema(source string) *openapi.Schema {
	d := yaml.NewYAMLOrJSONDecoder(strings.NewReader(source), 4096)
	res := &spec.Schema{}
	if err := d.Decode(res); err != nil {
		panic(err)
	}
	return &openapi.Schema{Schema: res}
}

// Creates an *unstructured by decoding the given YAML. Panics on error
func mustUnstructured(source string) interface{} {
	d := yaml.NewYAMLOrJSONDecoder(strings.NewReader(source), 4096)
	var res interface{}

	var others []IstioKind
	reader := bytes.NewReader([]byte(inputs))
	empty := IstioKind{}

	// We store configs as a YaML stream; there may be more than one decoder.
	yamlDecoder := kubeyaml.NewYAMLOrJSONDecoder(reader, 512*1024)
	for {
		obj := IstioKind{}
		err := yamlDecoder.Decode(&obj)
		if err == io.EOF {
			break
		}
		if err != nil {

		data, err := os.Open(file)
		if err != nil {
			return nil, fmt.Errorf("failed to read input yaml file: %v", err)
		}
		closers = append(closers, data)

		yamlDecoder := kubeyaml.NewYAMLOrJSONDecoder(data, 512*1024)
		for {
			un := &unstructured.Unstructured{}
			err = yamlDecoder.Decode(&un)
			if err == io.EOF {
				break
			}
			if err != nil {
				return nil, err
			}

		for _, object := range strings.Split(mlist, yamlSeparator) {
			if len(object) == 0 {
				continue
			}
			r := bytes.NewReader([]byte(object))
			decoder := k8syaml.NewYAMLOrJSONDecoder(r, 1024)

			out := &unstructured.Unstructured{}
			err := decoder.Decode(out)
			if err != nil {
				t.Fatalf("error decoding object %q: %v", object, err)
			}

	patch := &unstructured.Unstructured{}
	if obj, ok := a.patch.(map[string]interface{}); ok {
		patch.Object = obj
	} else if str, ok := a.patch.(string); ok {
		str = FixTabsOrDie(str)
		if err := utilyaml.NewYAMLOrJSONDecoder(strings.NewReader(str), len(str)).Decode(&patch.Object); err != nil {
			return err
		}
	} else {
		return fmt.Errorf("invalid patch type: %T", a.patch)
	}

	patch.SetKind(kind)

}

// Creates a *spec.Schema Schema by decoding the given YAML. Panics on error
func mustSchema(source string) *schema.Structural {
	source = FixTabsOrDie(source)
	d := yaml.NewYAMLOrJSONDecoder(strings.NewReader(source), 4096)
	props := &apiextensions.JSONSchemaProps{}
	if err := d.Decode(props); err != nil {
		panic(err)
	}
	convertedProps := &apiextensionsinternal.JSONSchemaProps{}