schedule

package
v0.0.0-...-1338f1b Latest Latest
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 Go to latest Published: Mar 15, 2024 License: Apache-2.0 Imports: 20 Imported by: 3

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Constants

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const (
	DispatchFromHeartBeat     = "heartbeat"
	DispatchFromNotifierQueue = "active push"
	DispatchFromCreate        = "create"
)

The source of dispatched region.

Variables

This section is empty.

Functions

func ApplyOperator 

func ApplyOperator(mc *mockcluster.Cluster, op *operator.Operator)

ApplyOperator applies operator. Only for test purpose.

func ApplyOperatorStep 

func ApplyOperatorStep(region *core.RegionInfo, op *operator.Operator) *core.RegionInfo

ApplyOperatorStep applies operator step. Only for test purpose.

func DecodeConfig 

func DecodeConfig(data []byte, v interface{}) error

DecodeConfig decode the custom config for each scheduler.

func EncodeConfig 

func EncodeConfig(v interface{}) ([]byte, error)

EncodeConfig encode the custom config for each scheduler.

func FindSchedulerTypeByName 

func FindSchedulerTypeByName(name string) string

FindSchedulerTypeByName finds the type of the specified name.

func IsSchedulerRegistered 

func IsSchedulerRegistered(name string) bool

IsSchedulerRegistered check where the named scheduler type is registered.

func RegisterScheduler 

func RegisterScheduler(typ string, createFn CreateSchedulerFunc)

RegisterScheduler binds a scheduler creator. It should be called in init() func of a package.

func RegisterSliceDecoderBuilder 

func RegisterSliceDecoderBuilder(typ string, builder ConfigSliceDecoderBuilder)

RegisterSliceDecoderBuilder convert arguments to config. It should be called in init() func of package.

Types

type CheckerController 

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

CheckerController is used to manage all checkers.

func NewCheckerController 

func NewCheckerController(ctx context.Context, cluster opt.Cluster, opController *OperatorController) *CheckerController

NewCheckerController create a new CheckerController. TODO: isSupportMerge should be removed.

func (*CheckerController) CheckRegion 

func (c *CheckerController) CheckRegion(region *core.RegionInfo) (bool, []*operator.Operator)

CheckRegion will check the region and add a new operator if needed.

type ConfigDecoder 

type ConfigDecoder func(v interface{}) error

ConfigDecoder used to decode the config.

func ConfigJSONDecoder 

func ConfigJSONDecoder(data []byte) ConfigDecoder

ConfigJSONDecoder used to build a json decoder of the config.

func ConfigSliceDecoder 

func ConfigSliceDecoder(name string, args []string) ConfigDecoder

ConfigSliceDecoder the default decode for the config.

type ConfigSliceDecoderBuilder 

type ConfigSliceDecoderBuilder func([]string) ConfigDecoder

ConfigSliceDecoderBuilder used to build slice decoder of the config.

type CreateSchedulerFunc 

type CreateSchedulerFunc func(opController *OperatorController, storage *core.Storage, dec ConfigDecoder) (Scheduler, error)

CreateSchedulerFunc is for creating scheduler.

type HeartbeatStreams 

type HeartbeatStreams interface {
	SendMsg(region *core.RegionInfo, msg *schedulerpb.RegionHeartbeatResponse)
}

HeartbeatStreams is an interface of async region heartbeat.

type OperatorController 

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

OperatorController is used to limit the speed of scheduling.

func NewOperatorController 

func NewOperatorController(ctx context.Context, cluster opt.Cluster, hbStreams HeartbeatStreams) *OperatorController

NewOperatorController creates a OperatorController.

func (*OperatorController) AddOperator 

func (oc *OperatorController) AddOperator(ops ...*operator.Operator) bool

AddOperator adds operators to the running operators.

func (*OperatorController) Ctx 

func (oc *OperatorController) Ctx() context.Context

Ctx returns a context which will be canceled once RaftCluster is stopped. For now, it is only used to control the lifetime of TTL cache in schedulers.

func (*OperatorController) Dispatch 

func (oc *OperatorController) Dispatch(region *core.RegionInfo, source string)

Dispatch is used to dispatch the operator of a region.

func (*OperatorController) GetOperator 

func (oc *OperatorController) GetOperator(regionID uint64) *operator.Operator

GetOperator gets a operator from the given region.

func (*OperatorController) GetOperatorStatus 

func (oc *OperatorController) GetOperatorStatus(id uint64) *OperatorWithStatus

GetOperatorStatus gets the operator and its status with the specify id.

func (*OperatorController) GetOperators 

func (oc *OperatorController) GetOperators() []*operator.Operator

GetOperators gets operators from the running operators.

func (*OperatorController) OperatorCount 

func (oc *OperatorController) OperatorCount(mask operator.OpKind) uint64

OperatorCount gets the count of operators filtered by mask.

func (*OperatorController) RemoveOperator 

func (oc *OperatorController) RemoveOperator(op *operator.Operator) (found bool)

RemoveOperator removes a operator from the running operators.

func (*OperatorController) SendScheduleCommand 

func (oc *OperatorController) SendScheduleCommand(region *core.RegionInfo, step operator.OpStep, source string)

SendScheduleCommand sends a command to the region.

func (*OperatorController) SetOperator 

func (oc *OperatorController) SetOperator(op *operator.Operator)

SetOperator is only used for test.

type OperatorRecords 

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

OperatorRecords remains the operator and its status for a while.

func NewOperatorRecords 

func NewOperatorRecords(ctx context.Context) *OperatorRecords

NewOperatorRecords returns a OperatorRecords.

func (*OperatorRecords) Get 

func (o *OperatorRecords) Get(id uint64) *OperatorWithStatus

Get gets the operator and its status.

func (*OperatorRecords) Put 

func (o *OperatorRecords) Put(op *operator.Operator, status schedulerpb.OperatorStatus)

Put puts the operator and its status.

type OperatorWithStatus 

type OperatorWithStatus struct {
	Op     *operator.Operator
	Status schedulerpb.OperatorStatus
}

OperatorWithStatus records the operator and its status.

func (*OperatorWithStatus) MarshalJSON 

func (o *OperatorWithStatus) MarshalJSON() ([]byte, error)

MarshalJSON returns the status of operator as a JSON string

type Scheduler 

type Scheduler interface {
	http.Handler
	GetName() string
	// GetType should in accordance with the name passing to schedule.RegisterScheduler()
	GetType() string
	EncodeConfig() ([]byte, error)
	GetMinInterval() time.Duration
	GetNextInterval(interval time.Duration) time.Duration
	Prepare(cluster opt.Cluster) error
	Cleanup(cluster opt.Cluster)
	Schedule(cluster opt.Cluster) *operator.Operator
	IsScheduleAllowed(cluster opt.Cluster) bool
}

Scheduler is an interface to schedule resources.

func CreateScheduler 

func CreateScheduler(typ string, opController *OperatorController, storage *core.Storage, dec ConfigDecoder) (Scheduler, error)

CreateScheduler creates a scheduler with registered creator func.

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