pool

package
Version: v1.1.0 Latest Latest
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Published: Oct 5, 2021 License: Apache-2.0 Imports: 7 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source
var (
	ErrPoolAtMaxCapacity          = fmt.Errorf("cannot assign any more resource from warm pool")
	ErrResourceAreBeingCooledDown = fmt.Errorf("cannot assign resource now, resources are being cooled down")
	ErrResourcesAreBeingCreated   = fmt.Errorf("cannot assign resource now, resources are being created")
	ErrWarmPoolEmpty              = fmt.Errorf("warm pool is empty")
	ErrResourceAlreadyAssigned    = fmt.Errorf("resource is already assigned to the requestor")
	ErrResourceDoesntExist        = fmt.Errorf("requested resource doesn't exist in used pool")
	ErrIncorrectResourceOwner     = fmt.Errorf("resource doesn't belong to the requestor")
)

Functions

This section is empty.

Types

type CoolDownResource added in v1.1.0

type CoolDownResource struct {
	// ResourceID is the unique ID of the resource
	ResourceID string
	// DeletionTimestamp is the time when the owner of the resource was deleted
	DeletionTimestamp time.Time
}

type IntrospectResponse added in v1.1.0

type IntrospectResponse struct {
	UsedResources    map[string]string
	WarmResources    []string
	CoolingResources []CoolDownResource
}

IntrospectResponse is the pool state returned to the introspect API

type Pool

type Pool interface {
	AssignResource(requesterID string) (resourceID string, shouldReconcile bool, err error)
	FreeResource(requesterID string, resourceID string) (shouldReconcile bool, err error)
	GetAssignedResource(requesterID string) (resourceID string, ownsResource bool)
	UpdatePool(job *worker.WarmPoolJob, didSucceed bool) (shouldReconcile bool)
	ReSync(resources []string)
	ReconcilePool() *worker.WarmPoolJob
	ProcessCoolDownQueue() bool
	Introspect() IntrospectResponse
}

func NewResourcePool

func NewResourcePool(log logr.Logger, poolConfig *config.WarmPoolConfig, usedResources map[string]string,
	warmResources []string, nodeName string, capacity int) Pool

Source Files

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