agent/containermetadata/manager.go
func (manager *metadataManager) Clean(taskARN string) error {
	metadataPath, err := getTaskMetadataDir(taskARN, manager.dataDir)
	if err != nil {
		return fmt.Errorf("clean task metadata: unable to get metadata directory for task %s: %v", taskARN, err)
	}
	return manager.osWrap.RemoveAll(metadataPath)
}
func (manager *metadataManager) Clean(taskARN string) error {
	metadataPath, err := getTaskMetadataDir(taskARN, manager.dataDir)
	if err != nil {
		return fmt.Errorf("clean task metadata: unable to get metadata directory for task %s: %v", taskARN, err)
	}
	return manager.osWrap.RemoveAll(metadataPath)
}
// Clean removes the metadata files of all containers associated with a task