40e6308aa9
For new applications like this kiwi version and its use cases it is better to base it on a more recent python version
87 lines
3.0 KiB
Python
87 lines
3.0 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 collections import namedtuple
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# project
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from .command import Command
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class Kernel(object):
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"""
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Implementes kernel lookup and extraction from given root tree
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"""
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def __init__(self, root_dir):
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self.root_dir = root_dir
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# Calling functions.sh::suseStripKernel() will rename the
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# kernel file to a common name. The following list specifies
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# these names for the lookup of that kernel. Therefore it's
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# required that suseStripKernel() was called as part of the
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# images.sh script which is done by the kiwi provided boot
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# image descriptions
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self.kernel_names = [
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'vmlinux', 'vmlinuz'
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]
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def get_kernel(self):
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for kernel_name in self.kernel_names:
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kernel_file = self.root_dir + '/boot/' + kernel_name
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if os.path.exists(kernel_file):
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version = Command.run(['kversion', kernel_file]).output
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if not version:
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version = 'no-version-found'
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version = version.rstrip('\n')
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kernel = namedtuple(
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'kernel', ['filename', 'version']
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)
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return kernel(
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filename=kernel_file,
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version=version
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)
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def get_xen_hypervisor(self):
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xen_hypervisor = self.root_dir + '/boot/xen.gz'
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if os.path.exists(xen_hypervisor):
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xen = namedtuple(
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'xen', ['filename', 'name']
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)
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return xen(
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filename=xen_hypervisor,
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name='xen.gz'
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)
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def copy_kernel(self, target_dir, file_name=None):
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kernel = self.get_kernel()
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if kernel:
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if not file_name:
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file_name = 'kernel-' + kernel.version + '.kernel'
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target_file = ''.join(
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[target_dir, '/', file_name]
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)
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Command.run(['cp', kernel.filename, target_file])
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def copy_xen_hypervisor(self, target_dir, file_name=None):
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xen = self.get_xen_hypervisor()
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if xen:
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if not file_name:
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file_name = 'hypervisor-' + xen.name
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target_file = ''.join(
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[target_dir, '/', file_name]
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)
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Command.run(['cp', xen.filename, target_file])
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