'Trundles through add_volumes and adds the replay profile to them.
:param profileid: The ID of the replay profile.
:param add_volumes: List of Dell SC volume objects that are getting
added to the consistency group.
:return: True/False on success/failure.'

def _add_cg_volumes(self, profileid, add_volumes):

    for vol in add_volumes:
        scvolume = self.find_volume(vol['id'], vol['provider_id'])
        if self._update_volume_profiles(scvolume, addid=profileid, removeid=None):
            LOG.info('Added    %s    to    cg.', vol['id'])
        else:
            LOG.error('Failed    to    add    %s    to    cg.', vol['id'])
            return False
    return True
