base

type Engine interface {
	// ID returns the id
	ID() string

	// Shutdown and clean up the engine
	Shutdown() error

	// Setup the engine
	Setup(ctx cruntime.ReconcileRequestContext) (ready bool, err error)

	// Setup the Volume
	CreateVolume() (err error)

	// Destroy the Volume
	DeleteVolume() (err error)

	// Sync syncs the alluxio runtime
	Sync(ctx cruntime.ReconcileRequestContext) error
}

type Implement interface {
	UnderFileSystemService
	// Is the master ready
	CheckMasterReady() (ready bool, err error)
	// are the workers ready
	CheckWorkersReady() (ready bool, err error)
	// ShouldSetupMaster checks if we need setup the master
	ShouldSetupMaster() (should bool, err error)
	// ShouldSetupWorkers checks if we need setup the workers
	ShouldSetupWorkers() (should bool, err error)

	ShouldCheckUFS() (should bool, err error)
	// setup the cache master
	SetupMaster() (err error)
	// setup the cache worker
	SetupWorkers() (err error)
	// check if it's Bound to the dataset
	// IsBoundToDataset() (bound bool, err error)
	// Bind to the dataset
	UpdateDatasetStatus(phase datav1alpha1.DatasetPhase) (err error)
	// Prepare the mounts and metadata if it's not ready
	PrepareUFS() (err error)
	// Shutdown and clean up the engine
	Shutdown() error

	// AssignNodesToCache picks up the nodes for replicas
	AssignNodesToCache(desiredNum int32) (currentNum int32, err error)
	// CheckRuntimeHealthy checks runtime healthy
	CheckRuntimeHealthy() (err error)
	// UpdateCacheOfDataset updates cache of the dataset
	UpdateCacheOfDataset() (err error)
	// CheckAndUpdateRuntimeStatus checks and updates the status
	CheckAndUpdateRuntimeStatus() (ready bool, err error)

	CreateVolume() error

	// SyncReplicas syncs the replicas
	SyncReplicas(ctx cruntime.ReconcileRequestContext) error

	// SyncMetadata syncs all metadata from UFS
	SyncMetadata() (err error)

	// Destroy the Volume
	DeleteVolume() (err error)
}

type TemplateEngine struct {
	Implement
	Id string
	client.Client
	Log     logr.Logger
	Context cruntime.ReconcileRequestContext
}

type UnderFileSystemService interface {
	UsedStorageBytes() (int64, error)

	FreeStorageBytes() (int64, error)

	TotalStorageBytes() (int64, error)

	TotalFileNums() (int64, error)
}