Describe a volume (or volumes)

    volume_id
        One or more volume IDs. Multiple IDs must be separated by ",".

    TODO: Add all of the filters.

def describe_volumes(kwargs=None, call=None):
    '''
    Describe a volume (or volumes)

    volume_id
        One or more volume IDs. Multiple IDs must be separated by ",".

    TODO: Add all of the filters.
    '''
    if call != 'function':
        log.error(
            'The describe_volumes function must be called with -f '
            'or --function.'
        )
        return False

    if not kwargs:
        kwargs = {}

    params = {'Action': 'DescribeVolumes'}

    if 'volume_id' in kwargs:
        volume_id = kwargs['volume_id'].split(',')
        for volume_index, volume_id in enumerate(volume_id):
            params['VolumeId.{0}'.format(volume_index)] = volume_id

    log.debug(params)

    data = aws.query(params,
                     return_url=True,
                     location=get_location(),
                     provider=get_provider(),
                     opts=__opts__,
                     sigver='4')
    return data