qubes-installer-qubes-os/anaconda/pyanaconda/backend.py
2013-01-24 01:45:53 +01:00

209 lines
6.3 KiB
Python

#
# backend.py: Interface for installation backends
#
# Copyright (C) 2005, 2006, 2007 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/>.
#
# Author(s): Paul Nasrat <pnasrat@redhat.com>
# Jeremy Katz <katzj@redhat.com>
#
import glob
import shutil
import iutil
import os, sys
import logging
from constants import *
import isys
import kickstart
import packages
import storage
from flags import flags
log = logging.getLogger("anaconda")
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
class AnacondaBackend:
def __init__(self, anaconda):
"""Abstract backend class all backends should inherit from this
@param instPath: root path for the installation to occur"""
self.anaconda = anaconda
self.instPath = ROOT_PATH
self.instLog = None
self.modeText = ""
# some backends may not support upgrading
self.supportsUpgrades = True
self.supportsPackageSelection = False
# some backends may have a special case for rootfs formatting
# FIXME: we should handle this a little more elegantly
self.skipFormatRoot = False
def postAction(self, anaconda):
pass
def doPreSelection(self, intf, id, instPath):
pass
def doPostSelection(self, anaconda):
pass
def doPreInstall(self, anaconda):
self.initLog(ROOT_PATH)
def copyFirmware(self):
# Multiple driver disks may be loaded, so we need to glob for all
# the firmware files in the common DD firmware directory
for f in glob.glob(DD_FIRMWARE+"/*"):
try:
shutil.copyfile(f, "%s/lib/firmware/" % ROOT_PATH)
except IOError as e:
log.error("Could not copy firmware file %s: %s" % (f, e.strerror))
def doPostInstall(self, anaconda):
#always copy the firmware files from DD
self.copyFirmware()
if anaconda.extraModules:
for (n, arch, tag) in self.kernelVersionList():
packages.recreateInitrd(n, ROOT_PATH)
#copy RPMS
for d in glob.glob(DD_RPMS):
shutil.copytree(d, ROOT_PATH + "/root/" + os.path.basename(d))
#copy modules and firmware
if os.path.exists(DD_ALL):
try:
shutil.copytree(DD_ALL, ROOT_PATH + "/root/DD")
except IOError as e:
pass
storage.writeEscrowPackets(anaconda)
sys.stdout.flush()
def doInstall(self, anaconda):
log.warning("doInstall not implemented for backend!")
raise NotImplementedError
def initLog(self, instPath):
if not os.path.isdir(instPath + "/root"):
iutil.mkdirChain(instPath + "/root")
if self.anaconda.upgrade:
logname = '/root/upgrade.log'
else:
logname = '/root/install.log'
instLogName = instPath + logname
try:
shutil.rmtree (instLogName)
except OSError:
pass
self.instLog = open(instLogName, "w+")
syslogname = "%s%s.syslog" % (instPath, logname)
try:
shutil.rmtree (syslogname)
except OSError:
pass
if self.anaconda.upgrade:
self.modeText = _("%s Upgrading %s\n")
else:
self.modeText = _("%s Installing %s\n")
def kernelVersionList(self):
return []
def getMinimumSizeMB(self, part):
"""Return the minimal size for part in megabytes if we can."""
return 0
def doBackendSetup(self, anaconda):
log.warning("doBackendSetup not implemented for backend!")
def groupExists(self, group):
log.warning("groupExists not implemented for backend!")
return True
def selectGroup(self, group, *args):
log.warning("selectGroup not implemented for backend!")
def deselectGroup(self, group, *args):
log.warning("deselectGroup not implemented for backend!")
def packageExists(self, pkg):
log.warning("packageExists not implemented for backend!")
return True
def selectPackage(self, pkg, *args):
log.warning("selectPackage not implemented for backend!")
def deselectPackage(self, pkg, *args):
log.warning("deselectPackage not implemented for backend!")
def getDefaultGroups(self, anaconda):
log.warning("getDefaultGroups not implemented for backend!")
return []
def resetPackageSelections(self):
# we just leave this one unimplemented if it's not needed
pass
# write out any config files that live on the installed system
# (e.g., /etc/yum.repos.d/* files)
def writeConfiguration(self):
log.warning("writeConfig not implemented for backend!")
def complete(self, anaconda):
pass
def doBackendSetup(anaconda):
if anaconda.backend.doBackendSetup(anaconda) == DISPATCH_BACK:
return DISPATCH_BACK
def doPostSelection(anaconda):
return anaconda.backend.doPostSelection(anaconda)
def doPreInstall(anaconda):
anaconda.backend.doPreInstall(anaconda)
def doPostInstall(anaconda):
anaconda.backend.doPostInstall(anaconda)
def doInstall(anaconda):
return anaconda.backend.doInstall(anaconda)
# does this need to be per-backend? we'll just leave here until it does :)
def doBasePackageSelect(anaconda):
if anaconda.ksdata:
anaconda.backend.resetPackageSelections()
kickstart.selectPackages(anaconda)
elif anaconda.displayMode != 't':
anaconda.backend.resetPackageSelections()
anaconda.instClass.setPackageSelection(anaconda)
anaconda.instClass.setGroupSelection(anaconda)
def writeConfiguration(anaconda):
log.info("Writing main configuration")
anaconda.write()
anaconda.backend.writeConfiguration()