#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright 2018-present ScyllaDB
#

#
# SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0

import os
import sys
from scylla_util import sysconfig_parser, sysconfdir_p
from subprocess import run

if __name__ == '__main__':
    if os.getuid() > 0:
        print('Requires root permission.')
        sys.exit(1)
    cfg = sysconfig_parser(sysconfdir_p() / 'scylla-server')

    if cfg.get('NETWORK_MODE') == 'virtio':
        run('ip tuntap del mode tap dev {TAP}'.format(TAP=cfg.get('TAP')), shell=True, check=True)
    elif cfg.get('NETWORK_MODE') == 'dpdk':
        run('/opt/scylladb/scripts/dpdk-devbind.py -u {ETHPCIID}'.format(ETHPCIID=cfg.get('ETHPCIID')), shell=True, check=True)
        run('/opt/scylladb/scripts/dpdk-devbind.py -b {ETHDRV} {ETHPCIID}'.format(ETHDRV=cfg.get('ETHDRV'), ETHPCIID=cfg.get('ETHPCIID')), shell=True, check=True)
