queue

package
v0.7.9 Latest Latest
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Published: Oct 20, 2023 License: MIT Imports: 2 Imported by: 0

Documentation

Overview

Package queue features a scheduling queue, which keeps track of all placements for the scheduler to schedule.

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type ClusterResourcePlacementKey added in v0.6.5

type ClusterResourcePlacementKey string

ClusterResourcePlacementKey is the unique identifier (its name) for a ClusterResourcePlacement checked into a scheduling queue.

type ClusterResourcePlacementSchedulingQueue added in v0.6.5

type ClusterResourcePlacementSchedulingQueue interface {
	ClusterResourcePlacementSchedulingQueueWriter

	// Run starts the scheduling queue.
	Run()
	// Close closes the scheduling queue immediately.
	Close()
	// CloseWithDrain closes the scheduling queue after all items in the queue are processed.
	CloseWithDrain()
	// NextClusterResourcePlacementKey returns the next-in-line ClusterResourcePlacementKey for the scheduler to consume.
	NextClusterResourcePlacementKey() (key ClusterResourcePlacementKey, closed bool)
	// Done marks a ClusterResourcePlacementKey as done.
	Done(crpKey ClusterResourcePlacementKey)
	// Forget untracks a ClusterResourcePlacementKey from rate limiter(s) (if any) set up with the queue.
	Forget(crpKey ClusterResourcePlacementKey)
}

ClusterResourcePlacementSchedulingQueue is an interface which queues ClusterResourcePlacements for the scheduler to consume; specifically, the scheduler finds the latest scheduling policy snapshot associated with the ClusterResourcePlacement.

func NewSimpleClusterResourcePlacementSchedulingQueue added in v0.6.5

func NewSimpleClusterResourcePlacementSchedulingQueue(opts ...Option) ClusterResourcePlacementSchedulingQueue

NewSimpleClusterResourcePlacementSchedulingQueue returns a simpleClusterResourcePlacementSchedulingQueue.

type ClusterResourcePlacementSchedulingQueueWriter added in v0.6.5

type ClusterResourcePlacementSchedulingQueueWriter interface {
	// Add adds a ClusterResourcePlacementKey to the work queue.
	//
	// Note that this bypasses the rate limiter.
	Add(crpKey ClusterResourcePlacementKey)
	// AddRateLimited adds a ClusterResourcePlacementKey to the work queue after the rate limiter (if any)
	// says that it is OK.
	AddRateLimited(crpKey ClusterResourcePlacementKey)
	// AddAfter adds a ClusterResourcePlacementKey to the work queue after a set duration.
	AddAfter(crpKey ClusterResourcePlacementKey, duration time.Duration)
}

ClusterResourcePlacementSchedulingQueueWriter is an interface which allows sources, such as controllers, to add ClusterResourcePlacementKeys to the scheduling queue.

type Option

type Option func(*simpleClusterResourcePlacementSchedulingQueueOptions)

Option is the function that configures the simpleClusterResourcePlacmentSchedulingQueue.

func WithName added in v0.6.5

func WithName(name string) Option

WithName sets a name for the workqueue.

func WithRateLimiter added in v0.6.5

func WithRateLimiter(rateLimiter workqueue.RateLimiter) Option

WithRateLimiter sets a rate limiter for the workqueue.

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