helper

package
v1.10.0-preview2 Latest Latest
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 Go to latest Published: Mar 28, 2024 License: Apache-2.0 Imports: 50 Imported by: 1

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Index

Constants

View Source 
const (
	JSONPatchOPAdd     = "add"
	JSONPatchOPReplace = "replace"
	JSONPatchOPRemove  = "remove"
	JSONPatchOPMove    = "move"
	JSONPatchOPCopy    = "copy"
	JSONPatchOPTest    = "test"
)

RFC6902 JSONPatch operations

View Source 
const (
	// FullyAppliedSuccessReason defines the success reason for the FullyApplied condition.
	FullyAppliedSuccessReason = "FullyAppliedSuccess"
	// FullyAppliedFailedReason defines the failure reason for the FullyApplied condition.
	FullyAppliedFailedReason = "FullyAppliedFailed"
	// FullyAppliedSuccessMessage defines the success message for the FullyApplied condition.
	FullyAppliedSuccessMessage = "All works have been successfully applied"
	// FullyAppliedFailedMessage defines the failure message for the FullyApplied condition.
	FullyAppliedFailedMessage = "Failed to apply all works, see status.aggregatedStatus for details"
)

Variables

This section is empty.

Functions

func AddTolerations added in v1.3.0 

func AddTolerations(placement *policyv1alpha1.Placement, tolerationsToAdd ...*corev1.Toleration)

AddTolerations add some tolerations if not existed.

func AggregateClusterResourceBindingWorkStatus added in v0.5.0 

func AggregateClusterResourceBindingWorkStatus(
	c client.Client,
	binding *workv1alpha2.ClusterResourceBinding,
	resourceTemplate *unstructured.Unstructured,
	eventRecorder record.EventRecorder,
) error

AggregateClusterResourceBindingWorkStatus will collect all work statuses with current ClusterResourceBinding objects, then aggregate status info to current ClusterResourceBinding status.

func AggregateResourceBindingWorkStatus added in v0.5.0 

func AggregateResourceBindingWorkStatus(
	c client.Client,
	binding *workv1alpha2.ResourceBinding,
	resourceTemplate *unstructured.Unstructured,
	eventRecorder record.EventRecorder,
) error

AggregateResourceBindingWorkStatus will collect all work statuses with current ResourceBinding objects, then aggregate status info to current ResourceBinding status.

func ApplyReplica added in v1.0.0 

func ApplyReplica(workload *unstructured.Unstructured, desireReplica int64, field string) error

ApplyReplica applies the Replica value for the specific field.

func BuildStatusRawExtension added in v1.1.0 

func BuildStatusRawExtension(status interface{}) (*runtime.RawExtension, error)

BuildStatusRawExtension builds raw JSON by a status map.

func ConstructClusterWideKey added in v1.4.0 

func ConstructClusterWideKey(resource workv1alpha2.ObjectReference) (keys.ClusterWideKey, error)

ConstructClusterWideKey construct resource ClusterWideKey from binding's objectReference.

func ConstructObjectReference added in v1.7.0 

func ConstructObjectReference(rs policyv1alpha1.ResourceSelector) workv1alpha2.ObjectReference

ConstructObjectReference constructs ObjectReference from ResourceSelector.

func ContainsServiceImport added in v1.7.0 

func ContainsServiceImport(resourceSelectors []policyv1alpha1.ResourceSelector) bool

ContainsServiceImport Check whether the ResourceSelectors of the policy contain ResourceSelector, and its Kind is ServiceImport.

func ConvertToTypedObject added in v1.3.0 

func ConvertToTypedObject(in, out interface{}) error

ConvertToTypedObject converts an unstructured object to typed.

func CreateOrUpdateEndpointSlice added in v0.7.0 

func CreateOrUpdateEndpointSlice(client client.Client, endpointSlice *discoveryv1.EndpointSlice) error

CreateOrUpdateEndpointSlice creates a EndpointSlice object if not exist, or updates if it already exists.

func CreateOrUpdateWork added in v0.7.0 

func CreateOrUpdateWork(client client.Client, workMeta metav1.ObjectMeta, resource *unstructured.Unstructured) error

CreateOrUpdateWork creates a Work object if not exist, or updates if it already exist.

func DeleteEndpointSlice added in v0.7.0 

func DeleteEndpointSlice(c client.Client, selector labels.Set) error

DeleteEndpointSlice will delete all EndpointSlice objects by labels.

func DeleteWorkByCRBName added in v0.10.0 

func DeleteWorkByCRBName(c client.Client, name string) error

DeleteWorkByCRBName will delete all Work objects by ClusterResourceBinding name.

func DeleteWorkByRBNamespaceAndName added in v0.10.0 

func DeleteWorkByRBNamespaceAndName(c client.Client, namespace, name string) error

DeleteWorkByRBNamespaceAndName will delete all Work objects by ResourceBinding namespace and name.

func DeleteWorks added in v0.7.0 

func DeleteWorks(c client.Client, namespace, name string) error

DeleteWorks will delete all Work objects by labels.

func EmitClusterEvictionEventForClusterResourceBinding added in v1.4.0 

func EmitClusterEvictionEventForClusterResourceBinding(binding *workv1alpha2.ClusterResourceBinding, cluster string, eventRecorder record.EventRecorder, err error)

EmitClusterEvictionEventForClusterResourceBinding records the eviction event for clusterResourceBinding and its objectReference.

func EmitClusterEvictionEventForResourceBinding added in v1.4.0 

func EmitClusterEvictionEventForResourceBinding(binding *workv1alpha2.ResourceBinding, cluster string, eventRecorder record.EventRecorder, err error)

EmitClusterEvictionEventForResourceBinding records the eviction event for resourceBinding and its objectReference.

func FetchResourceTemplate added in v1.6.0 

func FetchResourceTemplate(
	dynamicClient dynamic.Interface,
	informerManager genericmanager.SingleClusterInformerManager,
	restMapper meta.RESTMapper,
	resource workv1alpha2.ObjectReference,
) (*unstructured.Unstructured, error)

FetchResourceTemplate fetches the resource template to be propagated. Any updates to this resource template are not recommended as it may come from the informer cache. We should abide by the principle of making a deep copy first and then modifying it. See issue: https://github.com/karmada-io/karmada/issues/3878.

func FetchResourceTemplateByLabelSelector added in v1.7.0 

func FetchResourceTemplateByLabelSelector(
	dynamicClient dynamic.Interface,
	informerManager genericmanager.SingleClusterInformerManager,
	restMapper meta.RESTMapper,
	resource workv1alpha2.ObjectReference,
	selector labels.Selector,
) ([]*unstructured.Unstructured, error)

FetchResourceTemplateByLabelSelector fetches the resource template by label selector to be propagated. Any updates to this resource template are not recommended as it may come from the informer cache. We should abide by the principle of making a deep copy first and then modifying it. See issue: https://github.com/karmada-io/karmada/issues/3878.

func FindOrphanWorks 

func FindOrphanWorks(c client.Client, bindingNamespace, bindingName string, expectClusters sets.Set[string]) ([]workv1alpha1.Work, error)

FindOrphanWorks retrieves all works that labeled with current binding(ResourceBinding or ClusterResourceBinding) objects, then pick the works that not meet current binding declaration.

func GenEventRef added in v1.3.0 

func GenEventRef(resource *unstructured.Unstructured) (*corev1.ObjectReference, error)

GenEventRef returns the event reference. sets the UID(.spec.uid) that might be missing for fire events. Do nothing if the UID already exist, otherwise set the UID from annotation.

func GenJSONPatch added in v1.9.0 

func GenJSONPatch(op, from, path string, value interface{}) ([]byte, error)

GenJSONPatch return JSONPatch array as []byte according to RFC6902

func GenMergePatch added in v1.3.0 

func GenMergePatch(originalObj interface{}, modifiedObj interface{}) ([]byte, error)

GenMergePatch will return a merge patch document capable of converting the original object to the modified object. The merge patch format is primarily intended for use with the HTTP PATCH method as a means of describing a set of modifications to a target resource's content.

func GenReplaceFieldJSONPatch added in v1.9.0 

func GenReplaceFieldJSONPatch(path string, originalFieldValue, newFieldValue interface{}) ([]byte, error)

GenReplaceFieldJSONPatch returns the RFC6902 JSONPatch array as []byte, which is used to simply add/replace/delete certain JSON **Object** field.

func GenerateNodeClaimByPodSpec added in v0.9.0 

func GenerateNodeClaimByPodSpec(podSpec *corev1.PodSpec) *workv1alpha2.NodeClaim

GenerateNodeClaimByPodSpec will return a NodeClaim from PodSpec.

func GeneratePodFromTemplateAndNamespace added in v1.6.0 

func GeneratePodFromTemplateAndNamespace(template *corev1.PodTemplateSpec, namespace string) *corev1.Pod

GeneratePodFromTemplateAndNamespace generates a simple pod object from the given podTemplate and namespace, then returns the generated pod.

func GenerateReplicaRequirements added in v0.10.0 

func GenerateReplicaRequirements(podTemplate *corev1.PodTemplateSpec) *workv1alpha2.ReplicaRequirements

GenerateReplicaRequirements generates replica requirements for node and resources.

func GetAppliedPlacement added in v1.3.0 

func GetAppliedPlacement(annotations map[string]string) (*policyv1alpha1.Placement, error)

GetAppliedPlacement will get applied placement from annotations.

func GetClusterResourceBindings added in v0.6.0 

func GetClusterResourceBindings(c client.Client, ls labels.Set) (*workv1alpha2.ClusterResourceBindingList, error)

GetClusterResourceBindings returns a ClusterResourceBindingList by labels.

func GetConsumerClusters added in v1.9.0 

func GetConsumerClusters(client client.Client, mcs *networkingv1alpha1.MultiClusterService) (sets.Set[string], error)

GetConsumerClusters will extract the target consumer clusters of the service

func GetCronFederatedHPAFailedHistoryLimits added in v1.7.0 

func GetCronFederatedHPAFailedHistoryLimits(rule autoscalingv1alpha1.CronFederatedHPARule) int

GetCronFederatedHPAFailedHistoryLimits returns the failed history limits of the CronFederatedHPA.

func GetCronFederatedHPAKey added in v1.7.0 

func GetCronFederatedHPAKey(cronFHPA *autoscalingv1alpha1.CronFederatedHPA) string

GetCronFederatedHPAKey returns the key of the CronFederatedHPA.

func GetCronFederatedHPASuccessHistoryLimits added in v1.7.0 

func GetCronFederatedHPASuccessHistoryLimits(rule autoscalingv1alpha1.CronFederatedHPARule) int

GetCronFederatedHPASuccessHistoryLimits returns the successful history limits of the CronFederatedHPA.

func GetDependenciesFromPodTemplate added in v1.6.0 

func GetDependenciesFromPodTemplate(podObj *corev1.Pod) ([]configv1alpha1.DependentObjectReference, error)

GetDependenciesFromPodTemplate extracts the dependencies from the given pod and returns that. returns DependentObjectReferences according to the pod, including ConfigMap, Secret, ServiceAccount and PersistentVolumeClaim.

func GetEndpointSlices added in v0.7.0 

func GetEndpointSlices(c client.Client, ls labels.Set) (*discoveryv1.EndpointSliceList, error)

GetEndpointSlices returns a EndpointSliceList by labels

func GetJobFinishedStatus added in v1.0.4 

func GetJobFinishedStatus(jobStatus *batchv1.JobStatus) (bool, batchv1.JobConditionType)

GetJobFinishedStatus checks whether the given Job has finished execution. It does not discriminate between successful and failed terminations.

func GetManifestIndex added in v0.5.0 

func GetManifestIndex(manifests []workv1alpha1.Manifest, clusterObj *unstructured.Unstructured) (int, error)

GetManifestIndex get the index of clusterObj in manifest list, if not exist return -1.

func GetMatchingTolerations added in v1.3.0 

func GetMatchingTolerations(taints []corev1.Taint, tolerations []corev1.Toleration) (bool, []corev1.Toleration)

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

func GetMinTolerationTime added in v1.3.0 

func GetMinTolerationTime(noExecuteTaints []corev1.Taint, usedTolerations []corev1.Toleration) time.Duration

GetMinTolerationTime returns minimal toleration time from the given slice, or -1 if it's infinite.

func GetNoExecuteTaints added in v1.3.0 

func GetNoExecuteTaints(taints []corev1.Taint) []corev1.Taint

GetNoExecuteTaints will get all NoExecute taints.

func GetObjectFromCache added in v0.7.0 

func GetObjectFromCache(
	restMapper meta.RESTMapper,
	manager genericmanager.MultiClusterInformerManager,
	fedKey keys.FederatedKey,
) (*unstructured.Unstructured, error)

GetObjectFromCache gets full object information from cache by key in worker queue.

func GetObjectFromSingleClusterCache added in v1.1.0 

func GetObjectFromSingleClusterCache(restMapper meta.RESTMapper, manager genericmanager.SingleClusterInformerManager,
	cwk *keys.ClusterWideKey) (*unstructured.Unstructured, error)

GetObjectFromSingleClusterCache gets full object information from single cluster cache by key in worker queue.

func GetPodCondition added in v1.1.0 

func GetPodCondition(status *corev1.PodStatus, conditionType corev1.PodConditionType) (int, *corev1.PodCondition)

GetPodCondition extracts the provided condition from the given status and returns that. Returns nil and -1 if the condition is not present, and the index of the located condition.

func GetPodConditionFromList added in v1.1.0 

func GetPodConditionFromList(conditions []corev1.PodCondition, conditionType corev1.PodConditionType) (int, *corev1.PodCondition)

GetPodConditionFromList extracts the provided condition from the given list of condition and returns the index of the condition and the condition. Returns -1 and nil if the condition is not present.

func GetPodReadyCondition added in v1.6.0 

func GetPodReadyCondition(status corev1.PodStatus) *corev1.PodCondition

GetPodReadyCondition extracts the pod ready condition from the given status and returns that. Returns nil if the condition is not present.

func GetProviderClusters added in v1.9.0 

func GetProviderClusters(client client.Client, mcs *networkingv1alpha1.MultiClusterService) (sets.Set[string], error)

GetProviderClusters will extract the target provider clusters of the service

func GetResourceBindings added in v0.6.0 

func GetResourceBindings(c client.Client, ls labels.Set) (*workv1alpha2.ResourceBindingList, error)

GetResourceBindings returns a ResourceBindingList by labels

func GetWorksByBindingNamespaceName added in v1.3.0 

func GetWorksByBindingNamespaceName(c client.Client, bindingNamespace, bindingName string) (*workv1alpha1.WorkList, error)

GetWorksByBindingNamespaceName get WorkList by matching same Namespace and same Name.

func GetWorksByLabelsSet added in v1.2.0 

func GetWorksByLabelsSet(c client.Client, ls labels.Set) (*workv1alpha1.WorkList, error)

GetWorksByLabelsSet get WorkList by matching labels.Set.

func HasNoExecuteTaints added in v1.3.0 

func HasNoExecuteTaints(taints []corev1.Taint) bool

HasNoExecuteTaints check if NoExecute taints exist.

func IsAPIEnabled added in v0.7.0 

func IsAPIEnabled(APIEnablements []clusterv1alpha1.APIEnablement, groupVersion string, kind string) bool

IsAPIEnabled checks if target API (or CRD) referencing by groupVersion and kind has been installed.

func IsBindingScheduled added in v1.0.0 

func IsBindingScheduled(status *workv1alpha2.ResourceBindingStatus) bool

IsBindingScheduled will check if resourceBinding/clusterResourceBinding is successfully scheduled.

func IsClusterOverridePolicyExist 

func IsClusterOverridePolicyExist(c client.Client, name string) (bool, error)

IsClusterOverridePolicyExist checks if specific ClusterOverridePolicy exist.

func IsCronFederatedHPARuleSuspend added in v1.7.0 

func IsCronFederatedHPARuleSuspend(rule autoscalingv1alpha1.CronFederatedHPARule) bool

IsCronFederatedHPARuleSuspend returns true if the CronFederatedHPA is suspended.

func IsDependentClusterOverridesPresent 

func IsDependentClusterOverridesPresent(c client.Client, policy *policyv1alpha1.ClusterPropagationPolicy) (bool, error)

IsDependentClusterOverridesPresent checks if a ClusterPropagationPolicy's dependent ClusterOverridePolicy all exist.

func IsDependentOverridesPresent 

func IsDependentOverridesPresent(c client.Client, policy *policyv1alpha1.PropagationPolicy) (bool, error)

IsDependentOverridesPresent checks if a PropagationPolicy's dependent OverridePolicy all exist.

func IsOverridePolicyExist 

func IsOverridePolicyExist(c client.Client, ns string, name string) (bool, error)

IsOverridePolicyExist checks if specific OverridePolicy exist.

func IsPodReady added in v1.6.0 

func IsPodReady(pod *corev1.Pod) bool

IsPodReady returns true if a pod is ready; false otherwise.

func IsPodReadyConditionTrue added in v1.6.0 

func IsPodReadyConditionTrue(status corev1.PodStatus) bool

IsPodReadyConditionTrue returns true if a pod is ready; false otherwise.

func IsReplicaDynamicDivided added in v1.1.0 

func IsReplicaDynamicDivided(placement *policyv1alpha1.Placement) bool

IsReplicaDynamicDivided checks if a PropagationPolicy schedules replicas as dynamic.

func IsResourceApplied added in v0.7.0 

func IsResourceApplied(workStatus *workv1alpha1.WorkStatus) bool

IsResourceApplied checks whether resource has been dispatched to member cluster or not

func IsWorkContains added in v0.7.0 

func IsWorkContains(manifests []workv1alpha1.Manifest, targetResource schema.GroupVersionKind) bool

IsWorkContains checks if the target resource exists in a work.spec.workload.manifests.

func MultiClusterServiceCrossClusterEnabled added in v1.8.0 

func MultiClusterServiceCrossClusterEnabled(mcs *networkingv1alpha1.MultiClusterService) bool

MultiClusterServiceCrossClusterEnabled will check if it's a CrossCluster MultiClusterService.

func NewClusterPredicateOnAgent added in v0.7.0 

func NewClusterPredicateOnAgent(clusterName string) predicate.Funcs

NewClusterPredicateOnAgent generates an event filter function with Cluster for karmada-agent.

func NewExecutionPredicate added in v0.7.0 

func NewExecutionPredicate(mgr controllerruntime.Manager) predicate.Funcs

NewExecutionPredicate generates the event filter function to skip events that the controllers are uninterested. Used by controllers: - execution controller working in karmada-controller-manager - work status controller working in karmada-controller-manager

func NewExecutionPredicateOnAgent added in v0.7.0 

func NewExecutionPredicateOnAgent() predicate.Funcs

NewExecutionPredicateOnAgent generates the event filter function to skip events that the controllers are uninterested. Used by controllers: - execution controller working in agent - work status controller working in agent

func NewNotReadyToleration added in v1.3.0 

func NewNotReadyToleration(tolerationSeconds int64) *corev1.Toleration

NewNotReadyToleration returns a default not ready toleration.

func NewPredicateForEndpointSliceCollectController added in v1.8.0 

func NewPredicateForEndpointSliceCollectController(mgr controllerruntime.Manager) predicate.Funcs

NewPredicateForEndpointSliceCollectController generates an event filter function for EndpointSliceCollectController running by karmada-controller-manager.

func NewPredicateForEndpointSliceCollectControllerOnAgent added in v1.8.0 

func NewPredicateForEndpointSliceCollectControllerOnAgent(curClusterName string) predicate.Funcs

NewPredicateForEndpointSliceCollectControllerOnAgent generates an event filter function for EndpointSliceCollectController running by karmada-agent.

func NewPredicateForServiceExportController added in v0.7.0 

func NewPredicateForServiceExportController(mgr controllerruntime.Manager) predicate.Funcs

NewPredicateForServiceExportController generates an event filter function for ServiceExport controller running by karmada-controller-manager.

func NewPredicateForServiceExportControllerOnAgent added in v0.7.0 

func NewPredicateForServiceExportControllerOnAgent(curClusterName string) predicate.Funcs

NewPredicateForServiceExportControllerOnAgent generates an event filter function for ServiceExport controller running by karmada-agent.

func NewUnreachableToleration added in v1.3.0 

func NewUnreachableToleration(tolerationSeconds int64) *corev1.Toleration

NewUnreachableToleration returns a default unreachable toleration.

func NodeReady added in v0.10.0 

func NodeReady(node *corev1.Node) bool

NodeReady checks whether the node condition is ready.

func ObtainBindingSpecExistingClusters added in v1.3.0 

func ObtainBindingSpecExistingClusters(bindingSpec workv1alpha2.ResourceBindingSpec) sets.Set[string]

ObtainBindingSpecExistingClusters will obtain the cluster slice existing in the binding's spec field.

func ParsingJobStatus added in v1.0.0 

func ParsingJobStatus(obj *batchv1.Job, status []workv1alpha2.AggregatedStatusItem) (*batchv1.JobStatus, error)

ParsingJobStatus generates new status of given 'AggregatedStatusItem'.

func RemoveOrphanWorks 

func RemoveOrphanWorks(c client.Client, works []workv1alpha1.Work) error

RemoveOrphanWorks will remove orphan works.

func SetCurrentClusterTaints added in v1.7.0 

func SetCurrentClusterTaints(taintsToAdd, taintsToRemove []*corev1.Taint, cluster *clusterv1alpha1.Cluster) []corev1.Taint

SetCurrentClusterTaints sets current cluster taints which need to be updated.

func SetDefaultGracePeriodSeconds added in v1.6.0 

func SetDefaultGracePeriodSeconds(behavior *policyv1alpha1.ApplicationFailoverBehavior)

SetDefaultGracePeriodSeconds sets the default value of GracePeriodSeconds in ApplicationFailoverBehavior

func SetDefaultSpreadConstraints 

func SetDefaultSpreadConstraints(spreadConstraints []policyv1alpha1.SpreadConstraint)

SetDefaultSpreadConstraints set default spread constraints if both 'SpreadByField' and 'SpreadByLabel' not set.

func SetReplicaDivisionPreferenceWeighted added in v1.5.0 

func SetReplicaDivisionPreferenceWeighted(placement *policyv1alpha1.Placement)

SetReplicaDivisionPreferenceWeighted sets the default value of ReplicaDivisionPreference to Weighted

func SpreadReplicasByTargetClusters added in v1.5.0 

func SpreadReplicasByTargetClusters(numReplicas int32, tcs, init []workv1alpha2.TargetCluster) []workv1alpha2.TargetCluster

SpreadReplicasByTargetClusters divides replicas by the weight of a target cluster list.

func TaintExists added in v1.2.0 

func TaintExists(taints []corev1.Taint, taintToFind *corev1.Taint) bool

TaintExists checks if the given taint exists in list of taints. Returns true if exists false otherwise.

func ToUnstructured added in v1.0.4 

func ToUnstructured(obj interface{}) (*unstructured.Unstructured, error)

ToUnstructured converts a typed object to an unstructured object.

func TolerationExists added in v1.3.0 

func TolerationExists(tolerations []corev1.Toleration, tolerationToFind *corev1.Toleration) bool

TolerationExists checks if the given toleration exists in list of tolerations. Returns true if exists false otherwise.

Types

type ClusterWeightInfo added in v0.5.0 

type ClusterWeightInfo struct {
	ClusterName  string
	Weight       int64
	LastReplicas int32
}

ClusterWeightInfo records the weight of a cluster

type ClusterWeightInfoList added in v0.5.0 

type ClusterWeightInfoList []ClusterWeightInfo

ClusterWeightInfoList is a slice of ClusterWeightInfo that implements sort.Interface to sort by Value.

func GetStaticWeightInfoListByTargetClusters added in v1.5.0 

func GetStaticWeightInfoListByTargetClusters(tcs, scheduled []workv1alpha2.TargetCluster) ClusterWeightInfoList

GetStaticWeightInfoListByTargetClusters constructs a weight list by target cluster slice.

func (ClusterWeightInfoList) GetWeightSum added in v1.5.0 

func (p ClusterWeightInfoList) GetWeightSum() int64

GetWeightSum returns the sum of the weight info.

func (ClusterWeightInfoList) Len added in v0.5.0 

func (p ClusterWeightInfoList) Len() int

func (ClusterWeightInfoList) Less added in v0.5.0 

func (p ClusterWeightInfoList) Less(i, j int) bool

func (ClusterWeightInfoList) Swap added in v0.5.0 

func (p ClusterWeightInfoList) Swap(i, j int)

type Dispenser added in v1.5.0 

type Dispenser struct {
	// Target replicas, should be a positive integer.
	NumReplicas int32
	// Final result.
	Result []workv1alpha2.TargetCluster
}

Dispenser aims to divide replicas among clusters by different weights.

func NewDispenser added in v1.5.0 

func NewDispenser(numReplicas int32, init []workv1alpha2.TargetCluster) *Dispenser

NewDispenser will construct a dispenser with target replicas and a prescribed initial result.

func (*Dispenser) Done added in v1.5.0 

func (a *Dispenser) Done() bool

Done indicates whether finish dispensing.

func (*Dispenser) TakeByWeight added in v1.5.0 

func (a *Dispenser) TakeByWeight(w ClusterWeightInfoList)

TakeByWeight divide replicas by a weight list and merge the result into previous result.

Source Files

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