scheduler

package
Version: v1.14.10 Latest Latest
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Published: Dec 11, 2019 License: Apache-2.0 Imports: 34 Imported by: 0

Documentation

Index

Constants

View Source
const (
	// BindTimeoutSeconds defines the default bind timeout
	BindTimeoutSeconds = 100
	// SchedulerError is the reason recorded for events when an error occurs during scheduling a pod.
	SchedulerError = "SchedulerError"
)

Variables

This section is empty.

Functions

func AddAllEventHandlers added in v1.14.0

func AddAllEventHandlers(
	sched *Scheduler,
	schedulerName string,
	nodeInformer coreinformers.NodeInformer,
	podInformer coreinformers.PodInformer,
	pvInformer coreinformers.PersistentVolumeInformer,
	pvcInformer coreinformers.PersistentVolumeClaimInformer,
	replicationControllerInformer coreinformers.ReplicationControllerInformer,
	replicaSetInformer appsinformers.ReplicaSetInformer,
	statefulSetInformer appsinformers.StatefulSetInformer,
	serviceInformer coreinformers.ServiceInformer,
	pdbInformer policyinformers.PodDisruptionBudgetInformer,
	storageClassInformer storageinformers.StorageClassInformer,
)

AddAllEventHandlers is a helper function used in tests and in Scheduler to add event handlers for various informers.

Types

type EmptyPluginSet added in v1.14.0

type EmptyPluginSet struct{}

EmptyPluginSet is the default plugin registrar used by the default scheduler.

func (EmptyPluginSet) Data added in v1.14.0

func (r EmptyPluginSet) Data() *plugins.PluginData

Data returns a pointer to PluginData.

func (EmptyPluginSet) PrebindPlugins added in v1.14.0

func (r EmptyPluginSet) PrebindPlugins() []plugins.PrebindPlugin

PrebindPlugins returns a slice of default prebind plugins.

func (EmptyPluginSet) ReservePlugins added in v1.14.0

func (r EmptyPluginSet) ReservePlugins() []plugins.ReservePlugin

ReservePlugins returns a slice of default reserve plugins.

type FakeConfigurator added in v1.10.0

type FakeConfigurator struct {
	Config *factory.Config
}

FakeConfigurator is an implementation for test.

func (*FakeConfigurator) Create added in v1.10.0

func (fc *FakeConfigurator) Create() (*factory.Config, error)

Create returns FakeConfigurator.Config

func (*FakeConfigurator) CreateFromConfig added in v1.10.0

func (fc *FakeConfigurator) CreateFromConfig(policy schedulerapi.Policy) (*factory.Config, error)

CreateFromConfig returns FakeConfigurator.Config

func (*FakeConfigurator) CreateFromKeys added in v1.10.0

func (fc *FakeConfigurator) CreateFromKeys(predicateKeys, priorityKeys sets.String, extenders []algorithm.SchedulerExtender) (*factory.Config, error)

CreateFromKeys returns FakeConfigurator.Config

func (*FakeConfigurator) CreateFromProvider added in v1.10.0

func (fc *FakeConfigurator) CreateFromProvider(providerName string) (*factory.Config, error)

CreateFromProvider returns FakeConfigurator.Config

func (*FakeConfigurator) GetClient added in v1.10.0

func (fc *FakeConfigurator) GetClient() clientset.Interface

GetClient is not implemented yet.

func (*FakeConfigurator) GetHardPodAffinitySymmetricWeight added in v1.10.0

func (fc *FakeConfigurator) GetHardPodAffinitySymmetricWeight() int32

GetHardPodAffinitySymmetricWeight is not implemented yet.

func (*FakeConfigurator) GetNodeLister added in v1.10.0

func (fc *FakeConfigurator) GetNodeLister() corelisters.NodeLister

GetNodeLister is not implemented yet.

func (*FakeConfigurator) GetPredicateMetadataProducer added in v1.10.0

func (fc *FakeConfigurator) GetPredicateMetadataProducer() (predicates.PredicateMetadataProducer, error)

GetPredicateMetadataProducer is not implemented yet.

func (*FakeConfigurator) GetPredicates added in v1.10.0

func (fc *FakeConfigurator) GetPredicates(predicateKeys sets.String) (map[string]predicates.FitPredicate, error)

GetPredicates is not implemented yet.

func (*FakeConfigurator) GetScheduledPodLister added in v1.10.0

func (fc *FakeConfigurator) GetScheduledPodLister() corelisters.PodLister

GetScheduledPodLister is not implemented yet.

func (*FakeConfigurator) MakeDefaultErrorFunc added in v1.10.0

func (fc *FakeConfigurator) MakeDefaultErrorFunc(backoff *util.PodBackoff, podQueue internalqueue.SchedulingQueue) func(pod *v1.Pod, err error)

MakeDefaultErrorFunc is not implemented yet.

type Option added in v1.13.0

type Option func(*schedulerOptions)

Option configures a Scheduler

func WithBindTimeoutSeconds added in v1.13.0

func WithBindTimeoutSeconds(bindTimeoutSeconds int64) Option

WithBindTimeoutSeconds sets bindTimeoutSeconds for Scheduler, the default value is 100

func WithHardPodAffinitySymmetricWeight added in v1.13.0

func WithHardPodAffinitySymmetricWeight(hardPodAffinitySymmetricWeight int32) Option

WithHardPodAffinitySymmetricWeight sets hardPodAffinitySymmetricWeight for Scheduler, the default value is 1

func WithName added in v1.13.0

func WithName(schedulerName string) Option

WithName sets schedulerName for Scheduler, the default schedulerName is default-scheduler

func WithPercentageOfNodesToScore added in v1.13.0

func WithPercentageOfNodesToScore(percentageOfNodesToScore int32) Option

WithPercentageOfNodesToScore sets percentageOfNodesToScore for Scheduler, the default value is 50

func WithPreemptionDisabled added in v1.13.0

func WithPreemptionDisabled(disablePreemption bool) Option

WithPreemptionDisabled sets disablePreemption for Scheduler, the default value is false

type Scheduler

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

Scheduler watches for new unscheduled pods. It attempts to find nodes that they fit on and writes bindings back to the api server.

func New added in v1.13.0

func New(client clientset.Interface,
	nodeInformer coreinformers.NodeInformer,
	podInformer coreinformers.PodInformer,
	pvInformer coreinformers.PersistentVolumeInformer,
	pvcInformer coreinformers.PersistentVolumeClaimInformer,
	replicationControllerInformer coreinformers.ReplicationControllerInformer,
	replicaSetInformer appsinformers.ReplicaSetInformer,
	statefulSetInformer appsinformers.StatefulSetInformer,
	serviceInformer coreinformers.ServiceInformer,
	pdbInformer policyinformers.PodDisruptionBudgetInformer,
	storageClassInformer storageinformers.StorageClassInformer,
	recorder record.EventRecorder,
	schedulerAlgorithmSource kubeschedulerconfig.SchedulerAlgorithmSource,
	stopCh <-chan struct{},
	opts ...func(o *schedulerOptions)) (*Scheduler, error)

New returns a Scheduler

func NewFromConfig added in v1.10.0

func NewFromConfig(config *factory.Config) *Scheduler

NewFromConfig returns a new scheduler using the provided Config.

func (*Scheduler) Cache added in v1.12.0

func (sched *Scheduler) Cache() schedulerinternalcache.Cache

Cache returns the cache in scheduler for test to check the data in scheduler.

func (*Scheduler) Config added in v1.10.0

func (sched *Scheduler) Config() *factory.Config

Config returns scheduler's config pointer. It is exposed for testing purposes.

func (*Scheduler) Run added in v1.10.0

func (sched *Scheduler) Run()

Run begins watching and scheduling. It waits for cache to be synced, then starts a goroutine and returns immediately.

Directories

Path Synopsis
Package algorithm contains a generic Scheduler interface and several implementations.
Package algorithm contains a generic Scheduler interface and several implementations.
api
Package api contains scheduler API objects.
Package api contains scheduler API objects.
v1
Package v1 contains scheduler API objects.
Package v1 contains scheduler API objects.
apis
Package factory can set up a scheduler.
Package factory can set up a scheduler.
internal

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