dm

package
v0.0.0-...-ba6db07 Latest Latest
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 Go to latest Published: Apr 28, 2024 License: Apache-2.0 Imports: 45 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// WorkerNormalInterval is check interval when no error returns in tick
	WorkerNormalInterval = time.Second * 30
	// WorkerErrorInterval is check interval when any error returns in tick
	WorkerErrorInterval = time.Second * 10
)

Functions

func GetDMStorageType 

func GetDMStorageType(bucketEnabled bool, bucketType resModel.ResourceType) resModel.ResourceType

GetDMStorageType return the storage type that DM uses

func NewDMResourceID 

func NewDMResourceID(taskName, sourceName string, resType resModel.ResourceType) resModel.ResourceID

NewDMResourceID returns a ResourceID in DM's style. Currently only support s3/gcs resource.

func RegisterWorker 

func RegisterWorker()

RegisterWorker is used to register dm job master to global registry

Types

type CheckpointAgent 

type CheckpointAgent interface {
	IsFresh(ctx context.Context, workerType frameModel.WorkerType, taskCfg *metadata.Task) (bool, error)
}

CheckpointAgent defines an interface for checkpoint.

type DDLCoordinator 

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

DDLCoordinator is a coordinator for ddl.

func NewDDLCoordinator 

func NewDDLCoordinator(jobID string, kvClient metaModel.KVClient, tableAgent TableAgent, jobStore *metadata.JobStore, pLogger *zap.Logger) *DDLCoordinator

NewDDLCoordinator creates a new DDLCoordinator.

func (*DDLCoordinator) ClearMetadata 

func (c *DDLCoordinator) ClearMetadata(ctx context.Context) error

ClearMetadata clears metadata.

func (*DDLCoordinator) Coordinate 

func (c *DDLCoordinator) Coordinate(ctx context.Context, item *metadata.DDLItem) ([]string, optimism.ConflictStage, error)

Coordinate coordinates ddls.

func (*DDLCoordinator) Reset 

func (c *DDLCoordinator) Reset(ctx context.Context) error

Reset resets the ddl coordinator.

func (*DDLCoordinator) ShowDDLLocks 

func (c *DDLCoordinator) ShowDDLLocks(ctx context.Context) ShowDDLLocksResponse

ShowDDLLocks show ddl locks.

type DDLLock 

type DDLLock struct {
	// source table -> [current table, pending table(conflict table)]
	ShardTables map[metadata.SourceTable]ShardTable
}

DDLLock represents ddl lock of a target table.

type JobMaster 

type JobMaster struct {
	framework.BaseJobMaster
	// contains filtered or unexported fields
}

JobMaster defines job master of dm job

func (*JobMaster) Binlog 

func (jm *JobMaster) Binlog(ctx context.Context, req *dmpkg.BinlogRequest) (*dmpkg.BinlogResponse, error)

Binlog implements the api of binlog request.

func (*JobMaster) BinlogSchema 

func (jm *JobMaster) BinlogSchema(ctx context.Context, req *dmpkg.BinlogSchemaRequest) *dmpkg.BinlogSchemaResponse

BinlogSchema implements the api of binlog schema request.

func (*JobMaster) BinlogSchemaTask 

func (jm *JobMaster) BinlogSchemaTask(ctx context.Context, taskID string, req *dmpkg.BinlogSchemaTaskRequest) *dmpkg.CommonTaskResponse

BinlogSchemaTask implements the api of binlog schema task request.

func (*JobMaster) BinlogTask 

func (jm *JobMaster) BinlogTask(ctx context.Context, taskID string, req *dmpkg.BinlogTaskRequest) *dmpkg.CommonTaskResponse

BinlogTask implements the api of binlog task request.

func (*JobMaster) CloseImpl 

func (jm *JobMaster) CloseImpl(ctx context.Context)

CloseImpl implements JobMasterImpl.CloseImpl

func (*JobMaster) DMAPIDeleteBinlogOperator 

func (jm *JobMaster) DMAPIDeleteBinlogOperator(c *gin.Context, taskName string, params openapi.DMAPIDeleteBinlogOperatorParams)

DMAPIDeleteBinlogOperator implements the api of delete binlog operator.

func (*JobMaster) DMAPIGetBinlogOperator 

func (jm *JobMaster) DMAPIGetBinlogOperator(c *gin.Context, taskName string, params openapi.DMAPIGetBinlogOperatorParams)

DMAPIGetBinlogOperator implements the api of get binlog operator. TODO: pagination support if needed

func (*JobMaster) DMAPIGetJobConfig 

func (jm *JobMaster) DMAPIGetJobConfig(c *gin.Context)

DMAPIGetJobConfig implements the api of get job config.

func (*JobMaster) DMAPIGetJobStatus 

func (jm *JobMaster) DMAPIGetJobStatus(c *gin.Context, params openapi.DMAPIGetJobStatusParams)

DMAPIGetJobStatus implements the api of get job status.

func (*JobMaster) DMAPIGetSchema 

func (jm *JobMaster) DMAPIGetSchema(c *gin.Context, taskname string, params openapi.DMAPIGetSchemaParams)

DMAPIGetSchema implements the api of get schema.

func (*JobMaster) DMAPIOperateJob 

func (jm *JobMaster) DMAPIOperateJob(c *gin.Context)

DMAPIOperateJob implements the api of operate job.

func (*JobMaster) DMAPISetBinlogOperator 

func (jm *JobMaster) DMAPISetBinlogOperator(c *gin.Context, taskName string)

DMAPISetBinlogOperator implements the api of set binlog operator.

func (*JobMaster) DMAPISetSchema 

func (jm *JobMaster) DMAPISetSchema(c *gin.Context, taskName string)

DMAPISetSchema implements the api of set schema.

func (*JobMaster) DMAPIUpdateJobConfig 

func (jm *JobMaster) DMAPIUpdateJobConfig(c *gin.Context)

DMAPIUpdateJobConfig implements the api of update job config.

func (*JobMaster) GetJobCfg 

func (jm *JobMaster) GetJobCfg(ctx context.Context) (*config.JobCfg, error)

GetJobCfg gets job config.

func (*JobMaster) InitImpl 

func (jm *JobMaster) InitImpl(ctx context.Context) error

InitImpl implements JobMasterImpl.InitImpl

func (*JobMaster) IsJobMasterImpl 

func (jm *JobMaster) IsJobMasterImpl()

IsJobMasterImpl implements JobMasterImpl.IsJobMasterImpl

func (*JobMaster) OnCancel 

func (jm *JobMaster) OnCancel(ctx context.Context) error

OnCancel implements JobMasterImpl.OnCancel

func (*JobMaster) OnJobManagerMessage 

func (jm *JobMaster) OnJobManagerMessage(topic p2p.Topic, message interface{}) error

OnJobManagerMessage implements JobMasterImpl.OnJobManagerMessage

func (*JobMaster) OnMasterMessage 

func (jm *JobMaster) OnMasterMessage(ctx context.Context, topic p2p.Topic, message interface{}) error

OnMasterMessage implements JobMasterImpl.OnMasterMessage

func (*JobMaster) OnMasterRecovered 

func (jm *JobMaster) OnMasterRecovered(ctx context.Context) error

OnMasterRecovered implements JobMasterImpl.OnMasterRecovered When it is called, the jobCfg may not be in the metadata, and we should not report an error

func (*JobMaster) OnOpenAPIInitialized 

func (jm *JobMaster) OnOpenAPIInitialized(router *gin.RouterGroup)

OnOpenAPIInitialized implements JobMasterImpl.OnOpenAPIInitialized.

func (*JobMaster) OnWorkerDispatched 

func (jm *JobMaster) OnWorkerDispatched(worker framework.WorkerHandle, result error) error

OnWorkerDispatched implements JobMasterImpl.OnWorkerDispatched

func (*JobMaster) OnWorkerMessage 

func (jm *JobMaster) OnWorkerMessage(worker framework.WorkerHandle, topic p2p.Topic, message interface{}) error

OnWorkerMessage implements JobMasterImpl.OnWorkerMessage

func (*JobMaster) OnWorkerOffline 

func (jm *JobMaster) OnWorkerOffline(worker framework.WorkerHandle, reason error) error

OnWorkerOffline implements JobMasterImpl.OnWorkerOffline

func (*JobMaster) OnWorkerOnline 

func (jm *JobMaster) OnWorkerOnline(worker framework.WorkerHandle) error

OnWorkerOnline implements JobMasterImpl.OnWorkerOnline

func (*JobMaster) OnWorkerStatusUpdated 

func (jm *JobMaster) OnWorkerStatusUpdated(worker framework.WorkerHandle, newStatus *frameModel.WorkerStatus) error

OnWorkerStatusUpdated implements JobMasterImpl.OnWorkerStatusUpdated

func (*JobMaster) QueryJobStatus 

func (jm *JobMaster) QueryJobStatus(ctx context.Context, tasks []string) (*JobStatus, error)

QueryJobStatus is the api of query job status.

func (*JobMaster) QueryStatus 

func (jm *JobMaster) QueryStatus(ctx context.Context, taskID string) *dmpkg.QueryStatusResponse

QueryStatus query status for a task

func (*JobMaster) ShowDDLLocks 

func (jm *JobMaster) ShowDDLLocks(ctx context.Context) ShowDDLLocksResponse

ShowDDLLocks implements the api of show ddl locks request.

func (*JobMaster) StopImpl 

func (jm *JobMaster) StopImpl(ctx context.Context)

StopImpl implements JobMasterImpl.StopImpl checkpoint is removed when job is stopped, this is different with OP DM where `--remove-meta` is specified at start-task.

func (*JobMaster) Tick 

func (jm *JobMaster) Tick(ctx context.Context) error

Tick implements JobMasterImpl.Tick Do not do heavy work in Tick, it will block the message processing.

func (*JobMaster) UpdateJobCfg 

func (jm *JobMaster) UpdateJobCfg(ctx context.Context, cfg *config.JobCfg) error

UpdateJobCfg updates job config.

type JobStatus 

type JobStatus struct {
	JobID frameModel.MasterID `json:"job_id"`
	// taskID -> Status
	TaskStatus map[string]TaskStatus `json:"task_status"`
	// FinishedUnitStatus records the finished unit status of a task. This field
	// is not atomic with TaskStatus (current status).
	FinishedUnitStatus map[string][]*metadata.FinishedTaskStatus `json:"finished_unit_status,omitempty"`
}

JobStatus represents status of a job

type ShardTable 

type ShardTable struct {
	Current string
	Next    string
}

ShardTable represents create table statements of a source table.

type ShowDDLLocksResponse 

type ShowDDLLocksResponse struct {
	Locks map[metadata.TargetTable]DDLLock
}

ShowDDLLocksResponse represents response of show ddl locks.

type TableAgent 

type TableAgent interface {
	FetchAllDoTables(ctx context.Context, cfg *config.JobCfg) (map[metadata.TargetTable][]metadata.SourceTable, error)
	FetchTableStmt(ctx context.Context, jobID string, cfg *config.JobCfg, sourceTable metadata.SourceTable) (string, error)
}

TableAgent defines an interface for checkpoint.

type TaskManager 

type TaskManager struct {
	*ticker.DefaultTicker
	// contains filtered or unexported fields
}

TaskManager checks and operates task.

func NewTaskManager 

func NewTaskManager(
	jobID string,
	initTaskStatus []runtime.TaskStatus,
	jobStore *metadata.JobStore,
	messageAgent dmpkg.MessageAgent,
	pLogger *zap.Logger,
	metricFactory promutil.Factory,
) *TaskManager

NewTaskManager creates a new TaskManager instance

func (*TaskManager) GetTaskStatus 

func (tm *TaskManager) GetTaskStatus(taskID string) (runtime.TaskStatus, bool)

GetTaskStatus gets task status by taskID

func (*TaskManager) OperateTask 

func (tm *TaskManager) OperateTask(ctx context.Context, op dmpkg.OperateType, jobCfg *config.JobCfg, tasks []string) (err error)

OperateTask updates the task status in metadata and triggers the task manager to check and operate task. called by user request.

func (*TaskManager) TaskStatus 

func (tm *TaskManager) TaskStatus() map[string]runtime.TaskStatus

TaskStatus return the task status.

func (*TaskManager) TickImpl 

func (tm *TaskManager) TickImpl(ctx context.Context) error

TickImpl removes tasks that are not in the job config. TickImpl checks and operates task if needed.

func (*TaskManager) UpdateTaskStatus 

func (tm *TaskManager) UpdateTaskStatus(taskStatus runtime.TaskStatus)

UpdateTaskStatus is called when receive task status from worker.

type TaskStatus 

type TaskStatus struct {
	ExpectedStage  metadata.TaskStage         `json:"expected_stage"`
	WorkerID       frameModel.WorkerID        `json:"worker_id"`
	ConfigOutdated bool                       `json:"config_outdated"`
	Status         *dmpkg.QueryStatusResponse `json:"status"`
	Duration       time.Duration              `json:"duration"`
}

TaskStatus represents status of a task

type WorkerAgent 

type WorkerAgent interface {
	// for create worker
	CreateWorker(
		workerType framework.WorkerType,
		config framework.WorkerConfig,
		opts ...framework.CreateWorkerOpt,
	) (frameModel.WorkerID, error)
}

WorkerAgent defines an interface for create worker.

type WorkerManager 

type WorkerManager struct {
	*ticker.DefaultTicker
	// contains filtered or unexported fields
}

WorkerManager checks and schedules workers.

func NewWorkerManager 

func NewWorkerManager(
	jobID string,
	initWorkerStatus []runtime.WorkerStatus,
	jobStore *metadata.JobStore,
	unitStore *metadata.UnitStateStore,
	workerAgent WorkerAgent,
	messageAgent dmpkg.MessageAgent,
	checkpointAgent CheckpointAgent,
	pLogger *zap.Logger,
	storageType resModel.ResourceType,
) *WorkerManager

NewWorkerManager creates a new WorkerManager instance

func (*WorkerManager) TickImpl 

func (wm *WorkerManager) TickImpl(ctx context.Context) error

TickImpl remove offline workers. TickImpl stop unneeded workers. TickImpl create new workers if needed.

func (*WorkerManager) UpdateWorkerStatus 

func (wm *WorkerManager) UpdateWorkerStatus(workerStatus runtime.WorkerStatus)

UpdateWorkerStatus is called when receive worker status.

func (*WorkerManager) WorkerStatus 

func (wm *WorkerManager) WorkerStatus() map[string]runtime.WorkerStatus

WorkerStatus return the worker status.

Source Files

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Directories

Path Synopsis
Package openapi provides primitives to interact with the openapi HTTP API.
 Package openapi provides primitives to interact with the openapi HTTP API.

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