kubernetes/pkg/apis/core/helper/helpers.go

// IsHugePageResourceName returns true if the resource name has the huge page
// resource prefix.
func IsHugePageResourceName(name core.ResourceName) bool { … }

// IsHugePageResourceValueDivisible returns true if the resource value of storage is
// integer multiple of page size.
func IsHugePageResourceValueDivisible(name core.ResourceName, quantity resource.Quantity) bool { … }

// IsQuotaHugePageResourceName returns true if the resource name has the quota
// related huge page resource prefix.
func IsQuotaHugePageResourceName(name core.ResourceName) bool { … }

// HugePageResourceName returns a ResourceName with the canonical hugepage
// prefix prepended for the specified page size.  The page size is converted
// to its canonical representation.
func HugePageResourceName(pageSize resource.Quantity) core.ResourceName { … }

// HugePageSizeFromResourceName returns the page size for the specified huge page
// resource name.  If the specified input is not a valid huge page resource name
// an error is returned.
func HugePageSizeFromResourceName(name core.ResourceName) (resource.Quantity, error) { … }

// NonConvertibleFields iterates over the provided map and filters out all but
// any keys with the "non-convertible.kubernetes.io" prefix.
func NonConvertibleFields(annotations map[string]string) map[string]string { … }

var Semantic …

var standardResourceQuotaScopes …

// IsStandardResourceQuotaScope returns true if the scope is a standard value
func IsStandardResourceQuotaScope(scope core.ResourceQuotaScope) bool { … }

var podObjectCountQuotaResources …

var podComputeQuotaResources …

// IsResourceQuotaScopeValidForResource returns true if the resource applies to the specified scope
func IsResourceQuotaScopeValidForResource(scope core.ResourceQuotaScope, resource core.ResourceName) bool { … }

var standardContainerResources …

// IsStandardContainerResourceName returns true if the container can make a resource request
// for the specified resource
func IsStandardContainerResourceName(name core.ResourceName) bool { … }

// IsExtendedResourceName returns true if:
// 1. the resource name is not in the default namespace;
// 2. resource name does not have "requests." prefix,
// to avoid confusion with the convention in quota
// 3. it satisfies the rules in IsQualifiedName() after converted into quota resource name
func IsExtendedResourceName(name core.ResourceName) bool { … }

// IsNativeResource returns true if the resource name is in the
// *kubernetes.io/ namespace. Partially-qualified (unprefixed) names are
// implicitly in the kubernetes.io/ namespace.
func IsNativeResource(name core.ResourceName) bool { … }

// IsOvercommitAllowed returns true if the resource is in the default
// namespace and is not hugepages.
func IsOvercommitAllowed(name core.ResourceName) bool { … }

var standardLimitRangeTypes …

// IsStandardLimitRangeType returns true if the type is Pod or Container
func IsStandardLimitRangeType(value core.LimitType) bool { … }

var standardQuotaResources …

// IsStandardQuotaResourceName returns true if the resource is known to
// the quota tracking system
func IsStandardQuotaResourceName(name core.ResourceName) bool { … }

var standardResources …

// IsStandardResourceName returns true if the resource is known to the system
func IsStandardResourceName(name core.ResourceName) bool { … }

var integerResources …

// IsIntegerResourceName returns true if the resource is measured in integer values
func IsIntegerResourceName(name core.ResourceName) bool { … }

// IsServiceIPSet aims to check if the service's ClusterIP is set or not
// the objective is not to perform validation here
func IsServiceIPSet(service *core.Service) bool { … }

var standardFinalizers …

// IsStandardFinalizerName checks if the input string is a standard finalizer name
func IsStandardFinalizerName(str string) bool { … }

// GetAccessModesAsString returns a string representation of an array of access modes.
// modes, when present, are always in the same order: RWO,ROX,RWX,RWOP.
func GetAccessModesAsString(modes []core.PersistentVolumeAccessMode) string { … }

// GetAccessModesFromString returns an array of AccessModes from a string created by GetAccessModesAsString
func GetAccessModesFromString(modes string) []core.PersistentVolumeAccessMode { … }

// removeDuplicateAccessModes returns an array of access modes without any duplicates
func removeDuplicateAccessModes(modes []core.PersistentVolumeAccessMode) []core.PersistentVolumeAccessMode { … }

func ContainsAccessMode(modes []core.PersistentVolumeAccessMode, mode core.PersistentVolumeAccessMode) bool { … }

func ClaimContainsAllocatedResources(pvc *core.PersistentVolumeClaim) bool { … }

func ClaimContainsAllocatedResourceStatus(pvc *core.PersistentVolumeClaim) bool { … }

// GetTolerationsFromPodAnnotations gets the json serialized tolerations data from Pod.Annotations
// and converts it to the []Toleration type in core.
func GetTolerationsFromPodAnnotations(annotations map[string]string) ([]core.Toleration, error) { … }

// AddOrUpdateTolerationInPod tries to add a toleration to the pod's toleration list.
// Returns true if something was updated, false otherwise.
func AddOrUpdateTolerationInPod(pod *core.Pod, toleration *core.Toleration) bool { … }

// GetTaintsFromNodeAnnotations gets the json serialized taints data from Pod.Annotations
// and converts it to the []Taint type in core.
func GetTaintsFromNodeAnnotations(annotations map[string]string) ([]core.Taint, error) { … }

// GetPersistentVolumeClass returns StorageClassName.
func GetPersistentVolumeClass(volume *core.PersistentVolume) string { … }

// GetPersistentVolumeClaimClass returns StorageClassName. If no storage class was
// requested, it returns "".
func GetPersistentVolumeClaimClass(claim *core.PersistentVolumeClaim) string { … }

// PersistentVolumeClaimHasClass returns true if given claim has set StorageClassName field.
func PersistentVolumeClaimHasClass(claim *core.PersistentVolumeClaim) bool { … }

// GetDeletionCostFromPodAnnotations returns the integer value of pod-deletion-cost. Returns 0
// if not set or the value is invalid.
func GetDeletionCostFromPodAnnotations(annotations map[string]string) (int32, error) { … }

func validFirstDigit(str string) bool { … }