1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
# 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()
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))
|
