Source code for kiwi.partitioner.dasd

# 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/>
#
from tempfile import NamedTemporaryFile
import logging

# project
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): """ 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, mbsize, type_name, flags=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 = NamedTemporaryFile() 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('n\np\n\n+%dM\nw\nq\n' % mbsize) 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 resize_table(self, entries=None): """ Resize partition table Nothing to be done here for DASD devices :param int entries: unused """ pass