backupengine

type Implementation interface {
	// CreateBackup is used to instruct the backup engine to create
	// a backup. The means of doing so depends on the engine itself.
	CreateBackup(io.Writer) error
	// GetPodSpec generates a pod-spec from the given backup
	// specificiation containing required volume mounts from secrets
	// or envFrom definitions (and possible other special cases).
	// The mounted secret will be added by the controller.
	GetPodSpec(imagePrefix string) (coreV1.PodSpec, error)
	// Init is called once per backup engine and allows to execute
	// one-shot initialization tasks like registering new HTTP
	// handlers
	Init(opts.InitOpts) error
	// RestoreBackup receives an io.ReaderAt with the contents of
	// the backup to be restored and the size of the backup. The
	// means of doing so depends on the engine itself. The contents
	// of the reader will be the same the engine provided during
	// the CreateBackup result
	RestoreBackup(r io.ReaderAt, size int64) error
	// RestoreBackup receives an io.ReaderAt with the contents of
	// the backup to be restored, the size of the backup and a
	// destination folder (already exists) to unpack the backup
	// into: how to do that is up to the engine. The contents of
	// the reader SHOULD match the contents CreateBackup wrote
	// but as it is supposed to be used manually it COULD have the
	// wrong format
	Unpack(r io.ReaderAt, size int64, destDir string) error
}