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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#
# harddrive.py - Install method for hard drive installs
#
# Copyright 1999-2007 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# General Public License.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
from image import findIsoImages, ImageInstallMethod
import shutil
import os
import sys
import isys
import string
from rhpl.translate import _, cat, N_
from constants import *
import logging
log = logging.getLogger("anaconda")
# Install from one or more iso images
class HardDriveInstallMethod(ImageInstallMethod):
def getMethodUri(self):
return "file://%s" % self.tree
def copyFileToTemp(self, filename):
wasmounted = self.mediaIsMounted
self.switchMedia(1, filename)
path = ImageInstallMethod.copyFileToTemp(self, filename)
self.switchMedia(wasmounted)
return path
def badPackageError(self, pkgname):
return _("The file %s cannot be opened. This is due to a missing "
"file or perhaps a corrupt package. Please verify your "
"installation images and that you have all the required "
"media.\n\n"
"If you exit, your system will be left in an inconsistent "
"state that will likely require reinstallation.\n\n") % pkgname
# mounts disc image cdNum under self.tree
def mountMedia(self, cdNum):
if self.mediaIsMounted:
raise SystemError, "trying to mount already-mounted iso image!"
self.mountDirectory()
retry = True
while retry:
try:
isoImage = self.isoDir + '/' + self.path + '/' + self.discImages[cdNum]
isys.losetup("/dev/loop3", isoImage, readOnly = 1)
isys.mount("/dev/loop3", self.tree, fstype = 'iso9660', readOnly = 1);
self.mediaIsMounted = cdNum
retry = False
except:
ans = self.messageWindow( _("Missing ISO 9660 Image"),
_("The installer has tried to mount "
"image #%s, but cannot find it on "
"the hard drive.\n\n"
"Please copy this image to the "
"drive and click Retry. Click Exit "
" to abort the installation.")
% (cdNum,), type="custom",
custom_icon="warning",
custom_buttons=[_("_Exit"),
_("_Retry")])
if ans == 0:
sys.exit(0)
elif ans == 1:
self.discImages = findIsoImages(self.isoPath, self.messageWindow)
def umountMedia(self):
if self.mediaIsMounted:
isys.umount(self.tree)
isys.unlosetup("/dev/loop3")
self.umountDirectory()
self.mediaIsMounted = 0
# This mounts the directory containing the iso images, and places the
# mount point in self.isoDir. It's only used directly by __init__;
# everything else goes through switchMedia
def mountDirectory(self):
if (self.isoDirIsMounted):
raise SystemError, "trying to mount already-mounted image!"
f = open("/proc/mounts", "r")
l = f.readlines()
f.close()
for line in l:
s = string.split(line)
if s[0] == "/dev/" + self.device:
self.isoDir = s[1] + "/"
return
try:
isys.mount(self.device, "/tmp/isodir", fstype = self.fstype)
except SystemError, msg:
log.error("couldn't mount ISO source directory: %s" % msg)
self.messageWindow(_("Couldn't Mount ISO Source"),
_("An error occurred mounting the source "
"device %s. This may happen if your ISO "
"images are located on an advanced storage "
"device like LVM or RAID, or if there was a "
"problem mounting a partition. Click exit "
"to abort the installation.")
% (self.device,), type="custom",
custom_icon="error",
custom_buttons=[_("_Exit")])
sys.exit(0)
self.isoDir = "/tmp/isodir/"
self.isoDirIsMounted = 1
def umountDirectory(self):
if self.isoDirIsMounted:
isys.umount(self.isoDir)
self.isoDirIsMounted = 0
# return reference to file specified on ISO #1
# mounts ISO #1, copies file to destdir, umounts ISO #1
# will probably do bad things if called during package installation
# returns None if file doesn't exist
def getFilename(self, filename, callback=None, destdir=None, retry=1):
if destdir is None:
destdir = self.getTempPath()
fn = destdir + '/' + os.path.basename(filename)
self.switchMedia(1, filename)
try:
shutil.copy(self.tree + '/' + filename, fn)
except:
fn = None
return fn
def switchMedia(self, mediano, filename=""):
if mediano != self.mediaIsMounted:
log.info("switching from iso %s to %s for %s" % (self.mediaIsMounted, mediano, filename))
self.umountMedia()
self.mountMedia(mediano)
def systemMounted(self, fsset, mntPoint):
self.switchMedia(1)
def systemUnmounted(self):
self.umountMedia()
def filesDone(self):
# we're trying to unmount the source image at the end. if it
# fails, we'll reboot soon enough anyway
try:
self.umountMedia()
except:
log.warning("unable to unmount media")
# we cannot remove the partition we are hosting hard drive install from
def protectedPartitions(self):
return [self.device]
def __init__(self, method, rootPath, intf):
"""@param method hd://device:fstype:/path"""
method = method[5:]
(device, fstype, path) = method.split(":", 3)
device = method[0:method.index(":")]
ImageInstallMethod.__init__(self, method, rootPath, intf)
self.device = device
self.path = path
self.fstype = fstype
self.isoDirIsMounted = 0
self.mediaIsMounted = 0
self.messageWindow = intf.messageWindow
self.currentMedia = []
self.tree = "/tmp/isomedia/"
# Mount the partition containing the ISO images just long enough for
# us to build up a list of all the path names.
self.mountDirectory()
self.discImages = findIsoImages(self.isoDir + '/' + self.path, self.messageWindow)
self.umountDirectory()
|
