86 lines
2.7 KiB
Python
86 lines
2.7 KiB
Python
# tarpayload.py
|
|
# Tar archive software payload management.
|
|
#
|
|
# Copyright (C) 2012 Red Hat, Inc.
|
|
#
|
|
# This copyrighted material is made available to anyone wishing to use,
|
|
# modify, copy, or redistribute it subject to the terms and conditions of
|
|
# the GNU General Public License v.2, or (at your option) any later version.
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY expressed or implied, including the implied warranties 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. Any Red Hat trademarks that are incorporated in the
|
|
# source code or documentation are not subject to the GNU General Public
|
|
# License and may only be used or replicated with the express permission of
|
|
# Red Hat, Inc.
|
|
#
|
|
# Red Hat Author(s): David Lehman <dlehman@redhat.com>
|
|
#
|
|
|
|
"""
|
|
TODO
|
|
- error handling!!!
|
|
- document all methods
|
|
|
|
"""
|
|
|
|
import shutil
|
|
|
|
from . import *
|
|
|
|
try:
|
|
import tarfile
|
|
except ImportError:
|
|
log.error("import of tarfile failed")
|
|
tarfile = None
|
|
|
|
from pyanaconda.constants import *
|
|
from pyanaconda.flags import flags
|
|
|
|
from pyanaconda import iutil
|
|
|
|
import logging
|
|
log = logging.getLogger("anaconda")
|
|
|
|
from pyanaconda.errors import *
|
|
#from pyanaconda.progress import progress
|
|
|
|
class TarPayload(ArchivePayload):
|
|
""" A TarPayload unpacks a single tar archive onto the target system. """
|
|
def __init__(self, data):
|
|
if tarfile is None:
|
|
raise PayloadError("unsupported payload type")
|
|
|
|
super(TarPayload, self).__init__(data)
|
|
self.archive = None
|
|
|
|
def setup(self, storage):
|
|
super(TarPayload, self).setup(storage)
|
|
|
|
try:
|
|
self.archive = tarfile.open(self.image_file)
|
|
except (tarfile.ReadError, tarfile.CompressionError) as e:
|
|
# maybe we only need to catch ReadError and CompressionError here
|
|
log.error("opening tar archive %s: %s" % (self.image_file, e))
|
|
raise PayloadError("invalid payload format")
|
|
|
|
@property
|
|
def requiredSpace(self):
|
|
byte_count = sum([m.size for m in self.archive.getmembers()])
|
|
return byte_count / (1024.0 * 1024.0) # FIXME: Size
|
|
|
|
@property
|
|
def kernelVersionList(self):
|
|
names = self.archive.getnames()
|
|
kernels = [n for n in names if "boot/vmlinuz-" in n]
|
|
|
|
def install(self):
|
|
try:
|
|
self.archive.extractall(path=ROOT_PATH)
|
|
except (tarfile.ExtractError, tarfile.CompressionError) as e:
|
|
log.error("extracting tar archive %s: %s" % (self.image_file, e))
|
|
|