#!/usr/bin/env python3
#
# Copyright (C) 2022 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/>.

# T4870: change underlaying container filesystem from vfs to overlay

import os
import sys
import shutil

from vyos.configtree import ConfigTree

if (len(sys.argv) < 1):
    print("Must specify file name!")
    sys.exit(1)

# We actually need no filename as this is a filesystem operation
base_path = '/usr/lib/live/mount/persistence/container/storage'
for dir in ['libpod', 'vfs', 'vfs-containers', 'vfs-images', 'vfs-layers']:
    if os.path.exists(f'{base_path}/{dir}'):
        shutil.rmtree(f'{base_path}/{dir}')