'Update the volume model\'s status and return it.
:param volume_model_updates: list of volume model update dicts
:param volumes: volumes object api
:param group_id: consistency group id
:param status: string value reflects the status of the member volume
:returns: volume_model_updates - updated volumes'

@staticmethod
def update_volume_model_updates(volume_model_updates, volumes, group_id, status='available'):

    LOG.info('Updating    status    for    group:    %(id)s.', {'id': group_id})
    if volumes:
        for volume in volumes:
            volume_model_updates.append({'id': volume.id, 'status': status})
    else:
        LOG.info('No    volume    found    for    group:    %(cg)s.', {'cg': group_id})
    return volume_model_updates
