# Copyright 2021-2024 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/>.

# Conntrack syntax version 3
# Enables all conntrack modules (previous default behaviour) and omits manually disabled modules.

from vyos.configtree import ConfigTree

module_path = ['system', 'conntrack', 'modules']

def migrate(config: ConfigTree) -> None:
    # Go over all conntrack modules available as of v1.3.0.
    for module in ['ftp', 'h323', 'nfs', 'pptp', 'sip', 'sqlnet', 'tftp']:
        # 'disable' is being phased out.
        if config.exists(module_path + [module, 'disable']):
            config.delete(module_path + [module])
        # If it wasn't manually 'disable'd, it was enabled by default.
        else:
            config.set(module_path + [module])