func GetNamespaceQuotaFromAnnotation()

in pkg/common/utils/utils.go [284:315]
27 lines of code
7 McCabe index (conditional complexity)

func GetNamespaceQuotaFromAnnotation(namespaceObj *v1.Namespace) *si.Resource {
	// retrieve resource quota info from annotations
	cpuQuota := GetNameSpaceAnnotationValue(namespaceObj, constants.CPUQuota)
	memQuota := GetNameSpaceAnnotationValue(namespaceObj, constants.MemQuota)
	namespaceQuota := GetNameSpaceAnnotationValue(namespaceObj, constants.NamespaceQuota)

	// order of annotation preference
	// 1. namespace.quota
	// 2. namespace.max.* (Retaining for backwards compatibility. Need to be removed in next major release)
	switch {
	case namespaceQuota != "":
		if cpuQuota != "" || memQuota != "" {
			log.Log(log.ShimUtils).Warn("Using namespace.quota instead of namespace.max.* (deprecated) annotation to set cpu and/or memory for namespace though both are available.",
				zap.String("namespace", namespaceObj.Name))
		}
		var namespaceQuotaMap map[string]string
		err := json.Unmarshal([]byte(namespaceQuota), &namespaceQuotaMap)
		if err != nil {
			log.Log(log.ShimUtils).Warn("Unable to process namespace.quota annotation",
				zap.String("namespace", namespaceObj.Name),
				zap.String("namespace.quota is", namespaceQuota))
			return nil
		}
		return common.GetResource(namespaceQuotaMap)
	case cpuQuota != "" || memQuota != "":
		log.Log(log.ShimUtils).Warn("Please use namespace.quota instead of namespace.max.* (deprecated) annotation. Using deprecated annotation to set cpu and/or memory for namespace. ",
			zap.String("namespace", namespaceObj.Name))
		return common.ParseResource(cpuQuota, memQuota)
	default:
		return nil
	}
}