#!/usr/bin/env python3
#
# Copyright 2023-2025 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library.  If not, see <http://www.gnu.org/licenses/>.

import sys

from time import sleep

from vyos.config import Config
from vyos.configdict import get_interface_dict
from vyos.ifconfig import Interface
from vyos.ifconfig import Section
from vyos.utils.boot import boot_configuration_complete
from vyos.utils.commit import commit_in_progress
from vyos import airbag

airbag.enable()

if len(sys.argv) < 3:
    airbag.noteworthy('Must specify both interface and link status!')
    sys.exit(1)

if not boot_configuration_complete():
    airbag.noteworthy('System bootup not yet finished...')
    sys.exit(1)

interface = sys.argv[1]
# helper scripts should only work on physical interfaces not on individual
# sub-interfaces. Moving e.g. a VLAN interface in/out a VRF will also trigger
# this script which should be prohibited - bail out early
if '.' in interface:
    sys.exit(0)

while commit_in_progress():
    sleep(1)

in_out = sys.argv[2]
config = Config()

interface_path = ['interfaces'] + Section.get_config_path(interface).split()
_, interface_config = get_interface_dict(
    config, interface_path[:-1], ifname=interface, with_pki=True
)
Interface(interface).update(interface_config)