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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
#
# dasd.py - DASD class
#
# Copyright (C) 2009 Red Hat, Inc. All rights reserved.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# Red Hat Author(s): David Cantrell <dcantrell@redhat.com>
#
import iutil
import sys
import os
from storage.devices import deviceNameToDiskByPath
from constants import *
from flags import flags
import logging
log = logging.getLogger("anaconda")
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
P_ = lambda x, y, z: gettext.ldngettext("anaconda", x, y, z)
def getDasdPorts():
""" Return comma delimited string of valid DASD ports. """
ports = []
f = open("/proc/dasd/devices", "r")
lines = map(lambda x: x.strip(), f.readlines())
f.close()
for line in lines:
if "unknown" in line:
continue
if "(FBA )" in line or "(ECKD)" in line:
ports.append(line.split('(')[0])
return ','.join(ports)
class DASD:
""" Controlling class for DASD interaction before the storage code in
anaconda has initialized.
The DASD class can determine if any DASD devices on the system are
unformatted and can perform a dasdfmt on them.
"""
def __init__(self):
self._dasdlist = []
self._devices = [] # list of DASDDevice objects
self._totalCylinders = 0
self._completedCylinders = 0.0
self._maxFormatJobs = 0
self.started = False
def startup(self, *args, **kwargs):
""" Look for any unformatted DASDs in the system and offer the user
the option for format them with dasdfmt or exit the installer.
"""
if self.started:
return
self.started = True
if not iutil.isS390():
return
intf = kwargs.get("intf")
zeroMbr = kwargs.get("zeroMbr")
log.info("Checking for unformatted DASD devices:")
for device in os.listdir("/sys/block"):
if not device.startswith("dasd"):
continue
statusfile = "/sys/block/%s/device/status" % (device,)
if not os.path.isfile(statusfile):
continue
f = open(statusfile, "r")
status = f.read().strip()
f.close()
if status == "unformatted":
log.info(" %s is an unformatted DASD" % (device,))
self._dasdlist.append(device)
if not len(self._dasdlist):
log.info(" no unformatted DASD devices found")
return
askUser = True
if zeroMbr:
askUser = False
elif not intf and not zeroMbr:
log.info(" non-interactive kickstart install without zerombr "
"command, unable to run dasdfmt, exiting installer")
sys.exit(0)
tmplist = map(lambda s: "/dev/" + s, self._dasdlist)
self._dasdlist = map(lambda s: deviceNameToDiskByPath(s), tmplist)
c = len(self._dasdlist)
if intf and askUser:
title = P_("Unformatted DASD Device Found",
"Unformatted DASD Devices Found", c)
msg = P_("Format uninitialized DASD device?\n\n"
"There is %d uninitialized DASD device on this "
"system. To continue installation, the device must "
"be formatted. Formatting will remove any data on "
"this device." % c,
"Format uninitialized DASD devices?\n\n"
"There are %d uninitialized DASD devices on this "
"system. To continue installation, the devices must "
"be formatted. Formatting will remove any data on "
"these devices." % c,
c)
devs = ''
for dasd in self._dasdlist:
devs += "%s\n" % (dasd,)
icon = "/usr/share/icons/gnome/32x32/status/dialog-error.png"
buttons = [_("_Format"), _("_Exit installer")]
rc = intf.detailedMessageWindow(title, msg, devs.strip(),
type="custom",
custom_icon=icon,
custom_buttons=buttons)
if rc == 1:
log.info(" not running dasdfmt, exiting installer")
sys.exit(0)
argv = ["-y", "-P", "-d", "cdl", "-b", "4096"]
if intf:
title = P_("Formatting DASD Device", "Formatting DASD Devices", c)
msg = P_("Preparing %d DASD device for use with Linux..." % c,
"Preparing %d DASD devices for use with Linux..." % c, c)
pw = intf.progressWindow(title, msg, 1.0)
for dasd in self._dasdlist:
log.info("Running dasdfmt on %s" % (dasd,))
iutil.execWithCallback("/sbin/dasdfmt", argv + [dasd],
stdout="/dev/tty5", stderr="/dev/tty5",
callback=self._updateProgressWindow,
callback_data=pw, echo=False)
pw.pop()
else:
for dasd in self._dasdlist:
log.info("Running dasdfmt on %s" % (dasd,))
iutil.execWithRedirect("/sbin/dasdfmt", argv + [dasd],
stdout="/dev/tty5", stderr="/dev/tty5")
def addDASD(self, dasd):
""" Adds a DASDDevice to the internal list of DASDs. """
if dasd:
self._devices.append(dasd)
def write(self, instPath):
""" Write /etc/dasd.conf to target system for all DASD devices
configured during installation.
"""
if self._devices == []:
return
f = open(os.path.realpath(instPath + "/etc/dasd.conf"), "w")
for dasd in self._devices:
fields = [dasd.busid] + dasd.getOpts()
f.write("%s\n" % (" ".join(fields),))
f.close()
def _updateProgressWindow(self, data, callback_data=None):
""" Reads progress output from dasdfmt and collects the number of
cylinders completed so the progress window can update.
"""
if not callback_data:
return
if data == '\n':
# each newline we see in this output means one more cylinder done
self._completedCylinders += 1.0
callback_data.set(self._completedCylinders / self.totalCylinders)
@property
def totalCylinders(self):
""" Total number of cylinders of all unformatted DASD devices. """
if self._totalCylinders:
return self._totalCylinders
argv = ["-t", "-v", "-y", "-d", "cdl", "-b", "4096"]
for dasd in self._dasdlist:
buf = iutil.execWithCapture("/sbin/dasdfmt", argv + [dasd],
stderr="/dev/tty5")
for line in buf.splitlines():
if line.startswith("Drive Geometry: "):
# line will look like this:
# Drive Geometry: 3339 Cylinders * 15 Heads = 50085 Tracks
cyls = long(filter(lambda s: s, line.split(' '))[2])
self._totalCylinders += cyls
break
return self._totalCylinders
# vim:tw=78:ts=4:et:sw=4
|
