221 lines
7.8 KiB
Python
221 lines
7.8 KiB
Python
|
#
|
||
|
|
# 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
|