core-admin/qubes/storage/kernels.py
Bahtiar `kalkin-` Gadimov 9674d03088 Add pool LinuxKernel
2016-04-25 07:17:18 +02:00

89 lines
2.8 KiB
Python

#!/usr/bin/python2
# -*- encoding: utf8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010-2015 Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2015 Wojtek Porczyk <woju@invisiblethingslab.com>
# Copyright (C) 2016 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import os
from qubes.exc import QubesVMError
from qubes.storage import Pool, StoragePoolException, Volume
class LinuxModules(Volume):
rw = False
def __init__(self, target_dir, kernel_version, **kwargs):
super(LinuxModules, self).__init__(**kwargs)
self.kernels_dir = os.path.join(target_dir, kernel_version)
self.path = os.path.join(self.kernels_dir, 'modules.img')
self.vid = self.path
class LinuxKernel(Pool):
driver = 'linux-kernel'
def __init__(self, name=None, dir_path=None):
assert dir_path, 'Missing dir_path'
super(LinuxKernel, self).__init__(name=name)
self.dir_path = dir_path
def init_volume(self, volume_config):
assert 'volume_type' in volume_config, "Volume type missing " \
+ str(volume_config)
volume_type = volume_config['volume_type']
if volume_type != 'read-only':
raise StoragePoolException("Unknown volume type " + volume_type)
return LinuxModules(self.dir_path, self.vm.kernel, **volume_config)
def clone(self, source, target):
return target
def create(self, volume, source_volume):
return volume
def commit_template_changes(self, volume):
return volume
@property
def config(self):
return {
'name': self.name,
'dir_path': self.dir_path,
'driver': LinuxKernel.driver,
}
def remove(self, volume):
pass
def rename(self, volume, old_name, new_name):
return volume
def start(self, volume):
path = volume.path
if not os.path.exists(path):
msg = 'VM %s is missing modules: %s' % (self.vm.name, path)
raise QubesVMError(self.vm, msg)
return volume
def stop(self, volume):
pass