code: func (os *OpenStack) DeleteSnapshot(snapshotID string) error {
  	snapshots, err := os.snapshotService()
  	if err != nil || snapshots == nil {
  		glog.Errorf("Unable to initialize cinder client for region: %s", os.region)
  		return err
  	}
  
  	err = snapshots.deleteSnapshot(snapshotID)
  	if err != nil {
  		glog.Errorf("Cannot delete snapshot %s: %v", snapshotID, err)
  	}
  	return nil
  }
docs: // DeleteSnapshot deletes the specified snapshot