Version: v0.0.0-...-53c5426 Latest Latest

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Published: Mar 23, 2016 License: Apache-2.0 Imports: 6 Imported by: 0




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func Add

Add returns the result of a + b for each named resource

func Contains

func Contains(items []api.ResourceName, item api.ResourceName) bool

Contains returns true if the specified item is in the list of items

func Equals

func Equals(a api.ResourceList, b api.ResourceList) bool

Equals returns true if the two lists are equivalent

func Intersection

func Intersection(a []api.ResourceName, b []api.ResourceName) []api.ResourceName

Intersection returns the intersection of both list of resources

func IsZero

func IsZero(a api.ResourceList) bool

IsZero returns true if each key maps to the quantity value 0

func LessThanOrEqual

func LessThanOrEqual(a api.ResourceList, b api.ResourceList) (bool, []api.ResourceName)

LessThanOrEqual returns true if a < b for each key in b If false, it returns the keys in a that exceeded b

func Mask

func Mask(resources api.ResourceList, names []api.ResourceName) api.ResourceList

Mask returns a new resource list that only has the values with the specified names

func ResourceNames

func ResourceNames(resources api.ResourceList) []api.ResourceName

ResourceNames returns a list of all resource names in the ResourceList

func Subtract

Subtract returns the result of a - b for each named resource

func ToSet

func ToSet(resourceNames []api.ResourceName) sets.String

ToSet takes a list of resource names and converts to a string set


type Evaluator

type Evaluator interface {
	// Constraints ensures that each required resource is present on item
	Constraints(required []api.ResourceName, item runtime.Object) error
	// Get returns the object with specified namespace and name
	Get(namespace, name string) (runtime.Object, error)
	// GroupKind returns the groupKind that this object knows how to evaluate
	GroupKind() unversioned.GroupKind
	// MatchesResources is the list of resources that this evaluator matches
	MatchesResources() []api.ResourceName
	// Matches returns true if the specified quota matches the input item
	Matches(resourceQuota *api.ResourceQuota, item runtime.Object) bool
	// OperationResources returns the set of resources that could be updated for the
	// specified operation for this kind.  If empty, admission control will ignore
	// quota processing for the operation.
	OperationResources(operation admission.Operation) []api.ResourceName
	// Usage returns the resource usage for the specified object
	Usage(object runtime.Object) api.ResourceList
	// UsageStats calculates latest observed usage stats for all objects
	UsageStats(options UsageStatsOptions) (UsageStats, error)

Evaluator knows how to evaluate quota usage for a particular group kind

type Registry

type Registry interface {
	// Evaluators returns the set Evaluator objects registered to a groupKind
	Evaluators() map[unversioned.GroupKind]Evaluator

Registry holds the list of evaluators associated to a particular group kind

type UsageStats

type UsageStats struct {
	// Used maps resource to quantity used
	Used api.ResourceList

UsageStats is result of measuring observed resource use in the system

type UsageStatsOptions

type UsageStatsOptions struct {
	// Namespace where stats should be calculate
	Namespace string
	// Scopes that must match counted objects
	Scopes []api.ResourceQuotaScope

UsageStatsOptions is an options structs that describes how stats should be calculated


Path Synopsis
core contains modules that interface with the core api group
core contains modules that interface with the core api group

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