resourcequota

package
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Published: Jul 11, 2017 License: Apache-2.0 Imports: 25 Imported by: 0

Documentation

Overview

resourcequota contains a controller that makes resource quota usage observations

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsUnhandledGroupKindError

func IsUnhandledGroupKindError(err error) bool

func NewUnhandledGroupKindError

func NewUnhandledGroupKindError(kind schema.GroupKind) error

func ObjectReplenishmentDeleteFunc

func ObjectReplenishmentDeleteFunc(options *ReplenishmentControllerOptions) func(obj interface{})

ObjectReplenenishmentDeleteFunc will replenish on every delete

func PodReplenishmentUpdateFunc

func PodReplenishmentUpdateFunc(options *ReplenishmentControllerOptions) func(oldObj, newObj interface{})

PodReplenishmentUpdateFunc will replenish if the old pod was quota tracked but the new is not

func ServiceReplenishmentUpdateFunc

func ServiceReplenishmentUpdateFunc(options *ReplenishmentControllerOptions) func(oldObj, newObj interface{})

ServiceReplenishmentUpdateFunc will replenish if the service was quota tracked has changed service type

Types

type ReplenishmentControllerFactory

type ReplenishmentControllerFactory interface {
	// NewController returns a controller configured with the specified options.
	// This method is NOT thread-safe.
	NewController(options *ReplenishmentControllerOptions) (cache.Controller, error)
}

ReplenishmentControllerFactory knows how to build replenishment controllers

func NewReplenishmentControllerFactory

func NewReplenishmentControllerFactory(f informers.SharedInformerFactory) ReplenishmentControllerFactory

NewReplenishmentControllerFactory returns a factory that knows how to build controllers to replenish resources when updated or deleted

type ReplenishmentControllerOptions

type ReplenishmentControllerOptions struct {
	// The kind monitored for replenishment
	GroupKind schema.GroupKind
	// The period that should be used to re-sync the monitored resource
	ResyncPeriod controller.ResyncPeriodFunc
	// The function to invoke when a change is observed that should trigger
	// replenishment
	ReplenishmentFunc ReplenishmentFunc
}

ReplenishmentControllerOptions is an options struct that tells a factory how to configure a controller that can inform the quota system it should replenish quota

type ReplenishmentFunc

type ReplenishmentFunc func(groupKind schema.GroupKind, namespace string, object runtime.Object)

ReplenishmentFunc is a function that is invoked when controller sees a change that may require a quota to be replenished (i.e. object deletion, or object moved to terminal state)

type ResourceQuotaController

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

ResourceQuotaController is responsible for tracking quota usage status in the system

func (*ResourceQuotaController) Run

func (rq *ResourceQuotaController) Run(workers int, stopCh <-chan struct{})

Run begins quota controller using the specified number of workers

type ResourceQuotaControllerOptions

type ResourceQuotaControllerOptions struct {
	// Must have authority to list all quotas, and update quota status
	KubeClient clientset.Interface
	// Shared informer for resource quotas
	ResourceQuotaInformer coreinformers.ResourceQuotaInformer
	// Controls full recalculation of quota usage
	ResyncPeriod controller.ResyncPeriodFunc
	// Knows how to calculate usage
	Registry quota.Registry
	// Knows how to build controllers that notify replenishment events
	ControllerFactory ReplenishmentControllerFactory
	// Controls full resync of objects monitored for replenishment.
	ReplenishmentResyncPeriod controller.ResyncPeriodFunc
	// List of GroupKind objects that should be monitored for replenishment at
	// a faster frequency than the quota controller recalculation interval
	GroupKindsToReplenish []schema.GroupKind
}

ResourceQuotaControllerOptions holds options for creating a quota controller

type UnionReplenishmentControllerFactory

type UnionReplenishmentControllerFactory []ReplenishmentControllerFactory

UnionReplenishmentControllerFactory iterates through its constituent factories ignoring, UnhandledGroupKindErrors returning the first success or failure it hits. If there are no hits either way, it return an UnhandledGroupKind error

func (UnionReplenishmentControllerFactory) NewController

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