#!/usr/bin/env python3
#
# Copyright (C) 2016-2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This script is completion helper to list all configured VNIs that are visible to FRR

import json
from vyos.utils.process import cmd

def get_vni():
    vniDict = json.loads(cmd(f"vtysh -c 'show evpn vni json'"))
    print(' '.join(vniDict.keys()))

if __name__ == '__main__':
    get_vni()