Source code for kiwi.filesystem.setup

# 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

# project
from kiwi.system.size import SystemSize
from kiwi.defaults import Defaults

log = logging.getLogger('kiwi')


[docs]class FileSystemSetup: """ **Implement filesystem setup methods** Methods from this class provides information from the root directory required before building a filesystem image :param object xml_state: Instance of XMLState :param string root_dir: root directory path """ def __init__(self, xml_state, root_dir): self.configured_size = xml_state.get_build_type_size( include_unpartitioned=True ) if xml_state.get_build_type_unpartitioned_bytes() > 0: log.warning( 'Unpartitoned size attribute is ignored for filesystem images' ) self.size = SystemSize(root_dir) self.requested_image_type = xml_state.get_build_type_name() if self.requested_image_type in Defaults.get_filesystem_image_types(): self.requested_filesystem = self.requested_image_type else: self.requested_filesystem = xml_state.build_type.get_filesystem()
[docs] def get_size_mbytes(self, filesystem=None): """ Precalculate the requires size in mbytes to store all data from the root directory in the requested filesystem. Return the configured value if present, if not return the calculated result :param string filesystem: name :return: mbytes :rtype: int """ root_dir_mbytes = self.size.accumulate_mbyte_file_sizes() filesystem_mbytes = self.size.customize( root_dir_mbytes, self.requested_filesystem or filesystem ) if not self.configured_size: log.info( 'Using calculated size: %d MB', filesystem_mbytes ) return filesystem_mbytes elif self.configured_size.additive: result_filesystem_mbytes = \ self.configured_size.mbytes + filesystem_mbytes log.info( 'Using configured size: %d MB + %d MB calculated = %d MB', self.configured_size.mbytes, filesystem_mbytes, result_filesystem_mbytes ) return result_filesystem_mbytes else: log.info( 'Using configured size: %d MB', self.configured_size.mbytes ) if self.configured_size.mbytes < filesystem_mbytes: log.warning( '--> Configured size smaller than calculated size: %d MB', filesystem_mbytes ) return self.configured_size.mbytes