cache

package
v0.10.0-rc.2 Latest Latest
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 Go to latest Published: Nov 29, 2024 License: Apache-2.0 Imports: 39 Imported by: 0

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Constants

This section is empty.

Variables

View Source 
var (
	ErrCqNotFound = errors.New("cluster queue not found")
)

Functions

This section is empty.

Types

type AdmissionCheck added in v0.5.0 

type AdmissionCheck struct {
	Active                       bool
	Controller                   string
	SingleInstanceInClusterQueue bool
	FlavorIndependent            bool
}

type Cache 

type Cache struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

Cache keeps track of the Workloads that got admitted through ClusterQueues.

func New 

func New(client client.Client, opts ...Option) *Cache

func (*Cache) ActiveClusterQueues added in v0.9.0 

func (c *Cache) ActiveClusterQueues() sets.Set[string]

func (*Cache) AddClusterQueue 

func (c *Cache) AddClusterQueue(ctx context.Context, cq *kueue.ClusterQueue) error

func (*Cache) AddLocalQueue added in v0.2.0 

func (c *Cache) AddLocalQueue(q *kueue.LocalQueue) error

func (*Cache) AddOrUpdateAdmissionCheck added in v0.5.0 

func (c *Cache) AddOrUpdateAdmissionCheck(ac *kueue.AdmissionCheck) sets.Set[string]

func (*Cache) AddOrUpdateCohort added in v0.9.0 

func (c *Cache) AddOrUpdateCohort(apiCohort *kueuealpha.Cohort) error

func (*Cache) AddOrUpdateResourceFlavor 

func (c *Cache) AddOrUpdateResourceFlavor(rf *kueue.ResourceFlavor) sets.Set[string]

func (*Cache) AddOrUpdateWorkload 

func (c *Cache) AddOrUpdateWorkload(w *kueue.Workload) bool

func (*Cache) AdmissionChecksForClusterQueue added in v0.7.0 

func (c *Cache) AdmissionChecksForClusterQueue(cqName string) []AdmissionCheck

func (*Cache) AssumeWorkload 

func (c *Cache) AssumeWorkload(w *kueue.Workload) error

func (*Cache) CleanUpOnContext added in v0.3.0 

func (c *Cache) CleanUpOnContext(ctx context.Context)

CleanUpOnContext tracks the context. When closed, it wakes routines waiting on the podsReady condition. It should be called before doing any calls to cache.WaitForPodsReady.

func (*Cache) ClusterQueueActive added in v0.2.0 

func (c *Cache) ClusterQueueActive(name string) bool

func (*Cache) ClusterQueueEmpty added in v0.2.0 

func (c *Cache) ClusterQueueEmpty(name string) bool

ClusterQueueEmpty indicates whether there's any active workload admitted by the provided clusterQueue. Return true if the clusterQueue doesn't exist.

func (*Cache) ClusterQueueReadiness added in v0.5.0 

func (c *Cache) ClusterQueueReadiness(name string) (metav1.ConditionStatus, string, string)

func (*Cache) ClusterQueueTerminating added in v0.2.0 

func (c *Cache) ClusterQueueTerminating(name string) bool

func (*Cache) ClusterQueuesUsingAdmissionCheck added in v0.5.0 

func (c *Cache) ClusterQueuesUsingAdmissionCheck(ac string) []string

func (*Cache) ClusterQueuesUsingFlavor added in v0.3.0 

func (c *Cache) ClusterQueuesUsingFlavor(flavor kueue.ResourceFlavorReference) []string

func (*Cache) DeleteAdmissionCheck added in v0.5.0 

func (c *Cache) DeleteAdmissionCheck(ac *kueue.AdmissionCheck) sets.Set[string]

func (*Cache) DeleteClusterQueue 

func (c *Cache) DeleteClusterQueue(cq *kueue.ClusterQueue)

func (*Cache) DeleteCohort added in v0.9.0 

func (c *Cache) DeleteCohort(cohortName string)

func (*Cache) DeleteLocalQueue added in v0.2.0 

func (c *Cache) DeleteLocalQueue(q *kueue.LocalQueue)

func (*Cache) DeleteResourceFlavor 

func (c *Cache) DeleteResourceFlavor(rf *kueue.ResourceFlavor) sets.Set[string]

func (*Cache) DeleteWorkload 

func (c *Cache) DeleteWorkload(w *kueue.Workload) error

func (*Cache) ForgetWorkload 

func (c *Cache) ForgetWorkload(w *kueue.Workload) error

func (*Cache) IsAssumedOrAdmittedWorkload added in v0.3.0 

func (c *Cache) IsAssumedOrAdmittedWorkload(w workload.Info) bool

func (*Cache) LocalQueueUsage added in v0.4.0 

func (c *Cache) LocalQueueUsage(qObj *kueue.LocalQueue) (*LocalQueueUsageStats, error)

func (*Cache) MatchingClusterQueues added in v0.2.0 

func (c *Cache) MatchingClusterQueues(nsLabels map[string]string) sets.Set[string]

func (*Cache) PodsReadyForAllAdmittedWorkloads added in v0.3.0 

func (c *Cache) PodsReadyForAllAdmittedWorkloads(log logr.Logger) bool

func (*Cache) Snapshot 

func (c *Cache) Snapshot(ctx context.Context) (*Snapshot, error)

func (*Cache) TASCache added in v0.9.0 

func (c *Cache) TASCache() *TASCache

func (*Cache) TerminateClusterQueue added in v0.2.0 

func (c *Cache) TerminateClusterQueue(name string)

func (*Cache) UpdateClusterQueue 

func (c *Cache) UpdateClusterQueue(cq *kueue.ClusterQueue) error

func (*Cache) UpdateLocalQueue added in v0.2.0 

func (c *Cache) UpdateLocalQueue(oldQ, newQ *kueue.LocalQueue) error

func (*Cache) UpdateWorkload 

func (c *Cache) UpdateWorkload(oldWl, newWl *kueue.Workload) error

func (*Cache) Usage 

func (c *Cache) Usage(cqObj *kueue.ClusterQueue) (*ClusterQueueUsageStats, error)

Usage reports the reserved and admitted resources and number of workloads holding them in the ClusterQueue.

func (*Cache) WaitForPodsReady added in v0.3.0 

func (c *Cache) WaitForPodsReady(ctx context.Context)

WaitForPodsReady waits for all admitted workloads to be in the PodsReady condition if podsReadyTracking is enabled, otherwise returns immediately.

type ClusterQueueSnapshot added in v0.8.0 

type ClusterQueueSnapshot struct {
	Name              string
	ResourceGroups    []ResourceGroup
	Workloads         map[string]*workload.Info
	WorkloadsNotReady sets.Set[string]
	NamespaceSelector labels.Selector
	Preemption        kueue.ClusterQueuePreemption
	FairWeight        resource.Quantity
	FlavorFungibility kueue.FlavorFungibility
	// Aggregates AdmissionChecks from both .spec.AdmissionChecks and .spec.AdmissionCheckStrategy
	// Sets hold ResourceFlavors to which an AdmissionCheck should apply.
	// In case its empty, it means an AdmissionCheck should apply to all ResourceFlavor
	AdmissionChecks map[string]sets.Set[kueue.ResourceFlavorReference]
	Status          metrics.ClusterQueueStatus
	// AllocatableResourceGeneration will be increased when some admitted workloads are
	// deleted, or the resource groups are changed.
	AllocatableResourceGeneration int64

	ResourceNode ResourceNode
	hierarchy.ClusterQueue[*CohortSnapshot]

	TASFlavors map[kueue.ResourceFlavorReference]*TASFlavorSnapshot
}

func (*ClusterQueueSnapshot) AddUsage added in v0.8.0 

func (c *ClusterQueueSnapshot) AddUsage(frq resources.FlavorResourceQuantities)

func (*ClusterQueueSnapshot) Available added in v0.8.0 

func (c *ClusterQueueSnapshot) Available(fr resources.FlavorResource) int64

Available returns the current capacity available, before preempting any workloads. Includes local capacity and capacity borrowed from Cohort. When the ClusterQueue/Cohort is in debt, Available will return 0.

func (*ClusterQueueSnapshot) Borrowing added in v0.8.0 

func (c *ClusterQueueSnapshot) Borrowing(fr resources.FlavorResource) bool

func (*ClusterQueueSnapshot) BorrowingWith added in v0.8.0 

func (c *ClusterQueueSnapshot) BorrowingWith(fr resources.FlavorResource, val int64) bool

func (*ClusterQueueSnapshot) DominantResourceShare added in v0.8.0 

func (c *ClusterQueueSnapshot) DominantResourceShare() (int, corev1.ResourceName)

DominantResourceShare returns a value from 0 to 1,000,000 representing the maximum of the ratios of usage above nominal quota to the lendable resources in the cohort, among all the resources provided by the ClusterQueue, and divided by the weight. If zero, it means that the usage of the ClusterQueue is below the nominal quota. The function also returns the resource name that yielded this value. Also for a weight of zero, this will return 9223372036854775807.

func (*ClusterQueueSnapshot) DominantResourceShareWith added in v0.8.0 

func (c *ClusterQueueSnapshot) DominantResourceShareWith(wlReq resources.FlavorResourceQuantities) (int, corev1.ResourceName)

func (*ClusterQueueSnapshot) DominantResourceShareWithout added in v0.8.0 

func (c *ClusterQueueSnapshot) DominantResourceShareWithout(wlReq resources.FlavorResourceQuantities) (int, corev1.ResourceName)

func (*ClusterQueueSnapshot) Fits added in v0.8.0 

func (c *ClusterQueueSnapshot) Fits(frq resources.FlavorResourceQuantities) bool

func (*ClusterQueueSnapshot) GetName added in v0.9.0 

func (c *ClusterQueueSnapshot) GetName() string

func (*ClusterQueueSnapshot) PotentialAvailable added in v0.8.4 

func (c *ClusterQueueSnapshot) PotentialAvailable(fr resources.FlavorResource) int64

PotentialAvailable returns the largest workload this ClusterQueue could possibly admit, accounting for its capacity and capacity borrowed its from Cohort.

func (*ClusterQueueSnapshot) QuotaFor added in v0.8.0 

func (c *ClusterQueueSnapshot) QuotaFor(fr resources.FlavorResource) ResourceQuota

func (*ClusterQueueSnapshot) RGByResource added in v0.8.0 

func (c *ClusterQueueSnapshot) RGByResource(resource corev1.ResourceName) *ResourceGroup

RGByResource returns the ResourceGroup which contains capacity for the resource, or nil if the CQ doesn't provide this resource.

type ClusterQueueUsageStats added in v0.5.0 

type ClusterQueueUsageStats struct {
	ReservedResources  []kueue.FlavorUsage
	ReservingWorkloads int
	AdmittedResources  []kueue.FlavorUsage
	AdmittedWorkloads  int
	WeightedShare      int64
}

type CohortSnapshot added in v0.8.0 

type CohortSnapshot struct {
	Name string

	ResourceNode ResourceNode
	hierarchy.Cohort[*ClusterQueueSnapshot, *CohortSnapshot]
}

func (*CohortSnapshot) GetName added in v0.9.0 

func (c *CohortSnapshot) GetName() string

type LocalQueueUsageStats added in v0.5.0 

type LocalQueueUsageStats struct {
	ReservedResources  []kueue.LocalQueueFlavorUsage
	ReservingWorkloads int
	AdmittedResources  []kueue.LocalQueueFlavorUsage
	AdmittedWorkloads  int
	Flavors            []kueue.LocalQueueFlavorStatus
}

type Option added in v0.3.0 

type Option func(*options)

Option configures the reconciler.

func WithExcludedResourcePrefixes added in v0.7.0 

func WithExcludedResourcePrefixes(excludedPrefixes []string) Option

func WithFairSharing added in v0.7.0 

func WithFairSharing(enabled bool) Option

func WithPodsReadyTracking added in v0.3.0 

func WithPodsReadyTracking(f bool) Option

WithPodsReadyTracking indicates the cache controller tracks the PodsReady condition for admitted workloads, and allows to block admission of new workloads until all admitted workloads are in the PodsReady condition.

func WithResourceTransformations added in v0.9.0 

func WithResourceTransformations(transforms []config.ResourceTransformation) Option

WithResourceTransformations sets the resource transformations.

type ResourceGroup added in v0.3.0 

type ResourceGroup struct {
	CoveredResources sets.Set[corev1.ResourceName]
	Flavors          []kueue.ResourceFlavorReference
	// The set of key labels from all flavors.
	// Those keys define the affinity terms of a workload
	// that can be matched against the flavors.
	LabelKeys sets.Set[string]
}

func (*ResourceGroup) Clone added in v0.8.1 

func (rg *ResourceGroup) Clone() ResourceGroup

type ResourceNode added in v0.9.0 

type ResourceNode struct {
	// Quotas are the ResourceQuotas specified for the current
	// node.
	Quotas map[resources.FlavorResource]ResourceQuota
	// SubtreeQuota is the sum of the node's quota, as well as
	// resources available from its children, constrained by
	// LendingLimits.
	SubtreeQuota resources.FlavorResourceQuantities
	// Usage is the quantity which counts against this node's
	// SubtreeQuota. For ClusterQueues, this is simply its
	// usage. For Cohorts, this is the sum of childrens'
	// usages past childrens' guaranteedQuotas.
	Usage resources.FlavorResourceQuantities
}

func NewResourceNode added in v0.9.0 

func NewResourceNode() ResourceNode

func (ResourceNode) Clone added in v0.9.0 

func (r ResourceNode) Clone() ResourceNode

Clone clones the mutable field Usage, while returning copies to Quota and SubtreeQuota (these are replaced with new maps upon update).

type ResourceQuota added in v0.3.0 

type ResourceQuota struct {
	Nominal        int64
	BorrowingLimit *int64
	LendingLimit   *int64
}

type Snapshot 

type Snapshot struct {
	hierarchy.Manager[*ClusterQueueSnapshot, *CohortSnapshot]
	ResourceFlavors          map[kueue.ResourceFlavorReference]*kueue.ResourceFlavor
	InactiveClusterQueueSets sets.Set[string]
}

func (*Snapshot) AddWorkload added in v0.3.0 

func (s *Snapshot) AddWorkload(wl *workload.Info)

AddWorkload adds a workload from its corresponding ClusterQueue and updates resource usage.

func (*Snapshot) Log added in v0.6.0 

func (s *Snapshot) Log(log logr.Logger)

func (*Snapshot) RemoveWorkload added in v0.3.0 

func (s *Snapshot) RemoveWorkload(wl *workload.Info)

RemoveWorkload removes a workload from its corresponding ClusterQueue and updates resource usage.

type TASCache added in v0.9.0 

type TASCache struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewTASCache added in v0.9.0 

func NewTASCache(client client.Client) TASCache

func (*TASCache) Clone added in v0.9.0 

func (t *TASCache) Clone() map[kueue.ResourceFlavorReference]*TASFlavorCache

Clone returns a shallow copy of the map

func (*TASCache) Delete added in v0.9.0 

func (t *TASCache) Delete(name kueue.ResourceFlavorReference)

func (*TASCache) Get added in v0.9.0 

func (t *TASCache) Get(name kueue.ResourceFlavorReference) *TASFlavorCache

func (*TASCache) NewTASFlavorCache added in v0.9.0 

func (t *TASCache) NewTASFlavorCache(topologyName kueue.TopologyReference, levels []string, nodeLabels map[string]string) *TASFlavorCache

func (*TASCache) Set added in v0.9.0 

func (t *TASCache) Set(name kueue.ResourceFlavorReference, info *TASFlavorCache)

type TASFlavorCache added in v0.9.0 

type TASFlavorCache struct {
	sync.RWMutex

	// TopologyName indicates the name of the topology specified in the
	// ResourceFlavor spec.topologyName field.
	TopologyName kueue.TopologyReference
	// nodeLabels is a map of nodeLabels defined in the ResourceFlavor object.
	NodeLabels map[string]string
	// levels is a list of levels defined in the Topology object referenced
	// by the flavor corresponding to the cache.
	Levels []string
	// contains filtered or unexported fields
}

type TASFlavorSnapshot added in v0.9.0 

type TASFlavorSnapshot struct {
	// contains filtered or unexported fields
}

func (*TASFlavorSnapshot) FindTopologyAssignment added in v0.9.0 

func (s *TASFlavorSnapshot) FindTopologyAssignment(
	topologyRequest *kueue.PodSetTopologyRequest,
	requests resources.Requests,
	count int32,
	tolerations []corev1.Toleration) (*kueue.TopologyAssignment, string)

Algorithm overview: Phase 1: 

determine pod counts for each topology domain. Start at the lowest level
and bubble up the numbers to the top level

Phase 2: 

a) select the domain at requested level with count >= requestedCount
b) traverse the structure down level-by-level optimizing the number of used
  domains at each level
c) build the assignment for the lowest level in the hierarchy

func (*TASFlavorSnapshot) HasLevel added in v0.9.0 

func (s *TASFlavorSnapshot) HasLevel(r *kueue.PodSetTopologyRequest) bool

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