94a44a2153
Allow to set a custom UUID not only at creation time of a filesystem but also at a later point in time in an already existing filesystem
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
# Copyright (c) 2015 SUSE Linux GmbH. All rights reserved.
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#
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# This file is part of kiwi.
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#
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# kiwi is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# kiwi is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with kiwi. If not, see <http://www.gnu.org/licenses/>
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# project
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import kiwi.defaults as defaults
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from kiwi.filesystem.base import FileSystemBase
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from kiwi.command import Command
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class FileSystemExt2(FileSystemBase):
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"""
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**Implements creation of ext2 filesystem**
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"""
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def create_on_device(
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self, label: str = None, size: int = 0, unit: str = defaults.UNIT.kb,
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uuid: str = None
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):
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"""
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Create ext2 filesystem on block device
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:param str label: label name
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:param int size:
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size value, can also be counted from the end via -X
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The value is interpreted in units of: unit
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:param str unit:
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unit name. Default unit is set to: defaults.UNIT.kb
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:param str uuid: UUID name
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"""
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device_args = [self.device_provider.get_device()]
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if label:
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self.custom_args['create_options'].append('-L')
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self.custom_args['create_options'].append(label)
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if uuid:
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self.custom_args['create_options'].append('-U')
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self.custom_args['create_options'].append(uuid)
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if size:
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device_args.append(
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self._fs_size(
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size=self._map_size(
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size, from_unit=unit, to_unit=defaults.UNIT.kb
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), unit=defaults.UNIT.kb
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)
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)
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Command.run(
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['mkfs.ext2'] + self.custom_args['create_options'] + device_args
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)
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def set_uuid(self):
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"""
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Create new random filesystem UUID
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"""
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device = self.device_provider.get_device()
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Command.run(
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['e2fsck', '-y', '-f', device], raise_on_error=False
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)
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Command.run(
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['tune2fs', '-f', '-U', 'random', device]
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)
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