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# Copyright (C) VyOS Inc.
#
# 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/>.
# Serial
from vyos.configtree import ConfigTree
from vyos.system import disk
from vyos.system.grub import CFG_VYOS_VARS
from vyos.system.grub import vars_read
serial_console = 'ttyS0'
base = ['system', 'console']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
return
root_dir = disk.find_persistence()
vars_file: str = f'{root_dir}/{CFG_VYOS_VARS}'
vars_current: dict[str, str] = vars_read(vars_file)
# Check if VyOS installation uses serial boot console
if vars_current['console_type'] == 'ttyS':
# In the past we only supported ttyS0 as boot console, that's why we
# can hardcode it ...
if config.exists(base + ['device', serial_console]):
config.set(base + ['device', serial_console, 'kernel'])
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