func validateNodeTaints()

in pkg/webhooks/resourceflavor_webhook.go [99:130]
23 lines of code
6 McCabe index (conditional complexity)

func validateNodeTaints(taints []corev1.Taint, fldPath *field.Path) field.ErrorList {
	allErrors := field.ErrorList{}

	uniqueTaints := make(map[corev1.TaintEffect]sets.Set[string])

	for i, currTaint := range taints {
		idxPath := fldPath.Index(i)
		// validate the taint key
		allErrors = append(allErrors, metavalidation.ValidateLabelName(currTaint.Key, idxPath.Child("key"))...)
		// validate the taint value
		if errs := validation.IsValidLabelValue(currTaint.Value); len(errs) != 0 {
			allErrors = append(allErrors, field.Invalid(idxPath.Child("value"), currTaint.Value, strings.Join(errs, ";")))
		}
		// validate the taint effect
		allErrors = append(allErrors, validateTaintEffect(&currTaint.Effect, false, idxPath.Child("effect"))...)

		// validate if taint is unique by <key, effect>
		if len(uniqueTaints[currTaint.Effect]) > 0 && uniqueTaints[currTaint.Effect].Has(currTaint.Key) {
			duplicatedError := field.Duplicate(idxPath, currTaint)
			duplicatedError.Detail = "taints must be unique by key and effect pair"
			allErrors = append(allErrors, duplicatedError)
			continue
		}

		// add taint to existingTaints for uniqueness check
		if len(uniqueTaints[currTaint.Effect]) == 0 {
			uniqueTaints[currTaint.Effect] = sets.New[string]()
		}
		uniqueTaints[currTaint.Effect].Insert(currTaint.Key)
	}
	return allErrors
}