helper

func AddOrUpdateTolerationInPodSpec ¶

func AddOrUpdateTolerationInPodSpec(spec *v1.PodSpec, toleration *v1.Toleration) bool

AddOrUpdateTolerationInPodSpec tries to add a toleration to the toleration list in PodSpec. Returns true if something was updated, false otherwise.

func ContainsAccessMode ¶ added in v1.22.0

func ContainsAccessMode(modes []v1.PersistentVolumeAccessMode, mode v1.PersistentVolumeAccessMode) bool

func GetAccessModesAsString ¶

func GetAccessModesAsString(modes []v1.PersistentVolumeAccessMode) string

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 GetAccessModesFromString ¶

func GetAccessModesFromString(modes string) []v1.PersistentVolumeAccessMode

GetAccessModesFromString returns an array of AccessModes from a string created by GetAccessModesAsString

func GetMatchingTolerations ¶

func GetMatchingTolerations(taints []v1.Taint, tolerations []v1.Toleration) (bool, []v1.Toleration)

GetMatchingTolerations returns true and list of Tolerations matching all Taints if all are tolerated, or false otherwise.

func HugePageResourceName ¶

func HugePageResourceName(pageSize resource.Quantity) v1.ResourceName

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 HugePageSizeFromMedium ¶ added in v1.18.0

func HugePageSizeFromMedium(medium v1.StorageMedium) (resource.Quantity, error)

HugePageSizeFromMedium returns the page size for the specified huge page medium. If the specified input is not a valid huge page medium an error is returned.

func HugePageSizeFromResourceName ¶

func HugePageSizeFromResourceName(name v1.ResourceName) (resource.Quantity, error)

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 HugePageUnitSizeFromByteSize ¶ added in v1.18.0

func HugePageUnitSizeFromByteSize(size int64) (string, error)

HugePageUnitSizeFromByteSize returns hugepage size has the format. `size` must be guaranteed to divisible into the largest units that can be expressed. <size><unit-prefix>B (1024 = "1KB", 1048576 = "1MB", etc).

func IsAttachableVolumeResourceName ¶ added in v1.11.0

func IsAttachableVolumeResourceName(name v1.ResourceName) bool

IsAttachableVolumeResourceName returns true when the resource name is prefixed in attachable volume

func IsExtendedResourceName ¶

func IsExtendedResourceName(name v1.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 IsHugePageMedium ¶ added in v1.18.0

func IsHugePageMedium(medium v1.StorageMedium) bool

IsHugePageMedium returns true if the volume medium is in 'HugePages[-size]' format

func IsHugePageResourceName ¶

func IsHugePageResourceName(name v1.ResourceName) bool

IsHugePageResourceName returns true if the resource name has the huge page resource prefix.

func IsNativeResource ¶ added in v1.11.0

func IsNativeResource(name v1.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 IsOvercommitAllowed ¶

func IsOvercommitAllowed(name v1.ResourceName) bool

IsOvercommitAllowed returns true if the resource is in the default namespace and is not hugepages.

func IsPrefixedNativeResource ¶ added in v1.11.0

func IsPrefixedNativeResource(name v1.ResourceName) bool

IsPrefixedNativeResource returns true if the resource name is in the *kubernetes.io/ namespace.

func IsServiceIPSet ¶

func IsServiceIPSet(service *v1.Service) bool

IsServiceIPSet aims to check if the service's ClusterIP is set or not the objective is not to perform validation here

func LoadBalancerStatusEqual ¶

func LoadBalancerStatusEqual(l, r *v1.LoadBalancerStatus) bool

LoadBalancerStatusEqual evaluates the given load balancers' ingress IP addresses and hostnames and returns true if equal or false if otherwise TODO: make method on LoadBalancerStatus?

func MatchTopologySelectorTerms ¶ added in v1.11.0

func MatchTopologySelectorTerms(topologySelectorTerms []v1.TopologySelectorTerm, lbls labels.Set) bool

MatchTopologySelectorTerms checks whether given labels match topology selector terms in ORed; nil or empty term matches no objects; while empty term list matches all objects.

func NodeSelectorRequirementKeysExistInNodeSelectorTerms ¶ added in v1.12.0

func NodeSelectorRequirementKeysExistInNodeSelectorTerms(reqs []v1.NodeSelectorRequirement, terms []v1.NodeSelectorTerm) bool

NodeSelectorRequirementKeysExistInNodeSelectorTerms checks if a NodeSelectorTerm with key is already specified in terms

func ScopedResourceSelectorRequirementsAsSelector ¶ added in v1.13.0

func ScopedResourceSelectorRequirementsAsSelector(ssr v1.ScopedResourceSelectorRequirement) (labels.Selector, error)

ScopedResourceSelectorRequirementsAsSelector converts the ScopedResourceSelectorRequirement api type into a struct that implements labels.Selector.

func TopologySelectorRequirementsAsSelector ¶ added in v1.11.0

func TopologySelectorRequirementsAsSelector(tsm []v1.TopologySelectorLabelRequirement) (labels.Selector, error)

TopologySelectorRequirementsAsSelector converts the []TopologySelectorLabelRequirement api type into a struct that implements labels.Selector.