a7fb5649f5
Make a factory out of the task and allow to have e.g a dracut boot image task at a later point in time. The BootImageBase class creates an interface for this implementation. So far only BootImageKiwi is implemented
76 lines
2.3 KiB
Python
76 lines
2.3 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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#
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import os
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from tempfile import mkdtemp
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from command import Command
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from logger import log
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from exceptions import(
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KiwiTargetDirectoryNotFound
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)
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class BootImageBase(object):
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"""
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Base class for boot image(initrd) task
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"""
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def __init__(self, xml_state, target_dir, root_dir=None):
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self.xml_state = xml_state
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self.target_dir = target_dir
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self.initrd_filename = None
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self.temp_boot_root_directory = None
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self.boot_root_directory = root_dir
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if not self.boot_root_directory:
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self.boot_root_directory = mkdtemp(
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prefix='boot-image.', dir=self.target_dir
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)
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if not os.path.exists(target_dir):
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raise KiwiTargetDirectoryNotFound(
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'target directory %s not found' % target_dir
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)
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def prepare(self):
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"""
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prepare new root system to create initrd from. Implementation
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is only needed if there is no other root system available
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"""
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raise NotImplementedError
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def create_initrd(self):
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"""
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implements creation of the initrd
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"""
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raise NotImplementedError
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def is_prepared(self):
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return os.listdir(self.boot_root_directory)
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def __del__(self):
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log.info('Cleaning up %s instance', type(self).__name__)
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temp_directories = [
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self.boot_root_directory,
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self.temp_boot_root_directory
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]
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for directory in temp_directories:
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if directory and os.path.exists(directory):
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Command.run(
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['rm', '-r', '-f', directory]
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)
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