"istio.io/istio/pkg/config/validation/agent"
	"istio.io/istio/pkg/util/protomarshal"
)

type annotationValidationFunc func(value string) error

// per-sidecar policy and status
var (
	AnnotationValidation = map[string]annotationValidationFunc{
		annotation.SidecarInterceptionMode.Name:                   validateInterceptionMode,
		annotation.SidecarEnableCoreDump.Name:                     validateBool,

			m := msg.NewMisplacedAnnotation(r, ann, strings.Join(attachesTo, ", "))
			util.AddLineNumber(r, ann, m)

			ctx.Report(collectionType, m)
			continue
		}

		validationFunction := inject.AnnotationValidation[ann]
		if validationFunction != nil {
			if err := validationFunction(value); err != nil {
				m := msg.NewInvalidAnnotation(r, ann, err.Error())
				util.AddLineNumber(r, ann, m)

		if useDefault {
			required = true
		} else {
			required = inject
		}
	}

	if log.DebugEnabled() {
		// Build a log message for the annotations.
		annotationStr := ""
		for name := range AnnotationValidation {
			value, ok := annos[name]
			if !ok {
				value = "(unset)"
			}
			annotationStr += fmt.Sprintf("%s:%s ", name, value)
		}