Source code for kiwi.filesystem.btrfs

# Copyright (c) 2015 SUSE Linux GmbH.  All rights reserved.
#
# This file is part of kiwi.
#
# kiwi is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# kiwi 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 kiwi.  If not, see <http://www.gnu.org/licenses/>
#
# project
import kiwi.defaults as defaults

from kiwi.command import Command
from kiwi.filesystem.base import FileSystemBase


[docs] class FileSystemBtrfs(FileSystemBase): """ **Implements creation of btrfs filesystem** """
[docs] def create_on_device( self, label: str = None, size: int = 0, unit: str = defaults.UNIT.kb, uuid: str = None ): """ Create btrfs filesystem on block device :param str label: label name :param int size: size value, can also be counted from the end via -X The value is interpreted in units of: unit :param str unit: unit name. Default unit is set to: defaults.UNIT.kb :param str uuid: UUID name """ device = self.device_provider.get_device() if label: self.custom_args['create_options'].append('-L') self.custom_args['create_options'].append(label) if uuid: self.custom_args['create_options'].append('-U') self.custom_args['create_options'].append(uuid) if size: self.custom_args['create_options'].append('--byte-count') self.custom_args['create_options'].append( self._fs_size( size=self._map_size( size, from_unit=unit, to_unit=defaults.UNIT.byte ), unit=defaults.UNIT.byte ) ) Command.run( ['mkfs.btrfs'] + self.custom_args['create_options'] + [device] )
[docs] def set_uuid(self): """ Create new random filesystem UUID """ device = self.device_provider.get_device() Command.run( ['btrfstune', '-f', '-u', device] )