# 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/>
#
import logging
from typing import List
# project
from kiwi.utils.temporary import Temporary
from kiwi.command import Command
from kiwi.partitioner.base import PartitionerBase
log = logging.getLogger('kiwi')
[docs]
class PartitionerDasd(PartitionerBase):
"""
**Implements DASD partition setup**
"""
[docs]
def post_init(self) -> None:
"""
Post initialization method
Setup fdasd partition type/flag map
"""
self.flag_map = {
'f.active': None,
't.linux': '1',
't.swap': '1',
't.lvm': '1',
't.raid': '1',
't.efi': None,
't.csm': None
}
[docs]
def create(
self, name: str, mbsize: int, type_name: str, flags: List[str] = None
) -> None:
"""
Create DASD partition
:param string name: partition name
:param int mbsize: partition size
:param string type_name: unused
:param list flags: unused
"""
self.partition_id += 1
fdasd_input = Temporary().new_file()
with open(fdasd_input.name, 'w') as partition:
log.debug(
'%s: fdasd: n p cur_position +%sM w q',
name, format(mbsize)
)
if mbsize == 'all_free':
partition.write('n\np\n\n\nw\nq\n')
else:
partition.write(f'n\np\n\n+{mbsize}M\nw\nq\n')
bash_command = ' '.join(
['cat', fdasd_input.name, '|', 'fdasd', '-f', self.disk_device]
)
try:
Command.run(
['bash', '-c', bash_command]
)
except Exception:
# unfortunately fdasd reports that it can't read in the partition
# table which I consider a bug in fdasd. However the table was
# correctly created and therefore we continue. Problem is that we
# are not able to detect real errors with the fdasd operation at
# that point.
log.debug('potential fdasd errors were ignored')
[docs]
def set_uuid(self, partition_id: int, uuid: str) -> None:
"""
Set partition UUID
Nothing to be done here for DASD devices
:param int partition_id: unused
:param string uuid: unused
"""
pass # pragma: nocover
[docs]
def resize_table(self, entries: int = None) -> None:
"""
Resize partition table
Nothing to be done here for DASD devices
:param int entries: unused
"""
pass