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|
# -*- coding: utf-8 -*-
#
# livecd.py
#
# Copyright (C) 2010 Fabio Erculiani
# Copyright (C) 2011 wiktor w brodlo
# Copyright (C) 2011 Gentoo Foundation
#
# 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/>.
#
# System imports
import os
import statvfs
import subprocess
import commands
import stat
import time
import shutil
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
# Anaconda imports
import storage
import flags
from constants import productPath as PRODUCT_PATH, productName as PRODUCT_NAME, \
DISPATCH_BACK
import backend
import isys
import iutil
import logging
from anaconda_log import PROGRAM_LOG_FILE
import gentoo.utils
from gentoo import Portage
log = logging.getLogger("anaconda")
class LiveCDCopyBackend(backend.AnacondaBackend):
def __init__(self, anaconda):
backend.AnacondaBackend.__init__(self, anaconda)
flags.livecdInstall = True
self.supportsUpgrades = True
self.supportsPackageSelection = False
self._root = anaconda.rootPath
self.osimg = anaconda.methodstr[8:]
# On Gentoo we're using a stage3 as an installation source
# FIXME: Replace this with checking for stage3
#if not os.path.ismount(self.osimg):
# anaconda.intf.messageWindow(_("Unable to find image"),
# _("The given location [%s] isn't a valid %s "
# "live CD to use as an installation source.")
# %(self.osimg, PRODUCT_NAME), type = "custom",
# custom_icon="error",
# custom_buttons=[_("Exit installer")])
# raise SystemExit(1)
# _getLiveSize() needs to be adjusted but more measurements are needed
def _getLiveSize(self):
st = os.statvfs(PRODUCT_PATH)
compressed_byte_size = st.f_blocks * st.f_bsize
return compressed_byte_size * 3 # 3 times is enough
def _getLiveSizeMB(self):
return self._getLiveSize() / 1048576
def postAction(self, anaconda):
try:
anaconda.storage.umountFilesystems(swapoff = False)
os.rmdir(self._root)
except Exception, e:
log.error("Unable to unmount filesystems: %s" % e)
def checkSupportedUpgrade(self, anaconda):
if anaconda.dir == DISPATCH_BACK:
return
def doPreInstall(self, anaconda):
self._progress = gentoo.utils.GentooProgress(anaconda)
self._progress.start()
self._gentoo_install = gentoo.utils.GentooInstall(anaconda)
# We use anaconda.upgrade as bootloader recovery step
self._bootloader_recovery = anaconda.upgrade
self._install_grub = not self.anaconda.dispatch.stepInSkipList("instbootloader")
def doInstall(self, anaconda):
# Disable internal Anaconda bootloader setup, doesn't support GRUB2
anaconda.dispatch.skipStep("instbootloader", skip = 1)
if self._bootloader_recovery:
log.info("Preparing to recover Gentoo")
self._progress.set_label(_("Recovering Gentoo."))
self._progress.set_fraction(0.0)
return
else:
log.info("Preparing to install Gentoo")
self._progress.set_label(_("Installing Gentoo onto hard drive."))
self._progress.set_fraction(0.0)
# Actually install
self._gentoo_install.live_install()
# Now copy the portage tree
self._gentoo_install.copy_portage()
self._gentoo_install.set_profile()
self._gentoo_install.write_makeconf()
self._gentoo_install.install_setup_tools()
self._gentoo_install.install_kernel()
action = _("Configuring Gentoo")
self._progress.set_label(action)
self._progress.set_fraction(0.0)
self._gentoo_install.setup_users()
self._gentoo_install.setup_language() # before ldconfig, thx
self._progress.set_fraction(0.1)
# if simple networking is enabled, disable NetworkManager
if self.anaconda.instClass.simplenet:
self._gentoo_install.setup_manual_networking()
else:
self._gentoo_install.setup_networkmanager_networking()
self._gentoo_install.setup_keyboard()
self._progress.set_fraction(0.2)
self._gentoo_install.setup_sudo()
self._gentoo_install.setup_audio()
self._progress.set_fraction(0.3)
self._gentoo_install.setup_xorg()
#self._gentoo_install.remove_proprietary_drivers()
# TODO: This needs to be tried and fixed properly on Gentoo once installing X works
#try:
# self._gentoo_install.setup_nvidia_legacy()
#except Exception as e:
# # caused by Entropy bug <0.99.47.2, remove in future
# log.error("Unable to install legacy nvidia drivers: %s" % e)
self._gentoo_install.configure_services()
self._progress.set_fraction(0.4)
self._gentoo_install.copy_udev()
self._gentoo_install.env_update()
self._progress.set_fraction(0.5)
self._gentoo_install.spawn_chroot("locale-gen", silent = True)
self._gentoo_install.spawn_chroot("ldconfig")
self._progress.set_fraction(0.6)
# Fix a possible /tmp problem
self._gentoo_install.spawn("chmod a+w "+self._root+"/tmp")
var_tmp = self._root + "/var/tmp"
if not os.path.isdir(var_tmp): # wtf!
os.makedirs(var_tmp)
var_tmp_keep = os.path.join(var_tmp, ".keep")
if not os.path.isfile(var_tmp_keep):
with open(var_tmp_keep, "w") as wt:
wt.flush()
self._progress.set_fraction(0.7)
self._gentoo_install.install_systools()
action = _("Gentoo configuration complete")
self._progress.set_label(action)
self._progress.set_fraction(1.0)
def doPostInstall(self, anaconda):
#self._gentoo_install.setup_portage_mirrors()
#self._gentoo_install.language_packs_install()
self._gentoo_install.emit_install_done()
storage.writeEscrowPackets(anaconda)
self._gentoo_install.destroy()
#const_kill_threads() #entropy leftover
anaconda.intf.setInstallProgressClass(None)
def writeConfiguration(self):
"""
System configuration is written in anaconda.write().
Add extra config files setup here.
"""
# Write critical configuration not automatically written
self.anaconda.storage.fsset.write()
log.info("Do we need to run GRUB2 setup? => %s" % (self._install_grub,))
if self._install_grub:
# HACK: since Anaconda doesn't support grub2 yet
# Grub configuration is disabled
# and this code overrides it
encrypted, root_crypted, swap_crypted = self._setup_grub2()
if encrypted:
if swap_crypted:
swap_name, swap_dev = swap_crypted
old_swap_name = swap_dev._name
swap_dev._name = swap_name
if root_crypted:
root_name, root_dev = root_crypted
old_root_name = root_dev._name
if root_name == "root": # comes from /dev/mapper/root
root_dev._name = root_name
# HACK: since swap device path value is potentially changed
# it is required to rewrite the fstab (circular dependency, sigh)
self.anaconda.storage.fsset.write()
if swap_crypted:
swap_dev._name = old_swap_name
if root_crypted:
root_dev._name = old_root_name
self._copy_logs()
def _copy_logs(self):
# copy log files into chroot
isys.sync()
config_files = ["/tmp/anaconda.log", "/tmp/lvmout", "/tmp/resize.out",
"/tmp/program.log", "/tmp/storage.log", "/tmp/emerge-fail.log"]
install_dir = self._root + "/var/log/installer"
if not os.path.isdir(install_dir):
os.makedirs(install_dir)
for config_file in config_files:
if not os.path.isfile(config_file):
continue
dest_path = os.path.join(install_dir, os.path.basename(config_file))
shutil.copy2(config_file, dest_path)
def _get_bootloader_args(self):
cmdline = open("/proc/cmdline", "r").read().strip().split()
# keymaps genkernel vs system map
keymaps_map = {
'azerty': 'azerty',
'be-latin1': 'be',
'bg_bds-utf8': 'bg',
'br-abnt2': 'br-a',
'by': 'by',
'cf': 'cf',
'croat': 'croat',
'cz-lat2': 'cz',
'de': 'de',
'dk': 'dk',
'es': 'es',
'et': 'et',
'fi': 'fi',
'fr-latin9': 'fr',
'gr': 'gr',
'hu': 'hu',
'is-latin1': 'is',
'it': 'it',
'jp106': 'jp',
'mk': 'mk',
'nl': 'nl',
'no': 'no',
'pl2': 'pl',
'pt-latin1': 'pt',
'ro': 'ro',
'ru': 'ru',
'sk-qwerty': 'sk-y',
'slovene': 'slovene',
'trq': 'trq',
'ua-utf': 'ua',
'uk': 'uk',
'us': 'us',
}
console_kbd, xxx, yyy, zzz = self._gentoo_install.get_keyboard_layout()
gk_kbd = keymaps_map.get(console_kbd)
# look for kernel arguments we know should be preserved and add them
ourargs = ["speakup_synth=", "apic", "noapic", "apm=", "ide=", "noht",
"acpi=", "video=", "vga=", "init=", "splash=", "console=",
"pci=routeirq", "irqpoll", "nohdparm", "pci=", "floppy.floppy=",
"all-generic-ide", "gentoo=", "res=", "hsync=", "refresh=", "noddc",
"xdriver=", "onlyvesa", "nvidia=", "dodmraid", "dmraid",
"gentoomce", "quiet", "scandelay=", "doslowusb", "docrypt",
"dokeymap", "keymap=", "radeon.modeset=", "modeset=", "nomodeset"]
# Setup genkernel (init) keyboard layout
if gk_kbd is not None:
if "dokeymap" not in cmdline:
cmdline.append("dokeymap")
cmdline.append("keymap=%s" % (gk_kbd,))
# setup USB parameters, if installing on USB
root_is_removable = getattr(self.anaconda.storage.rootDevice,
"removable", False)
if root_is_removable:
cmdline.append("scandelay=10")
previous_vga = None
final_cmdline = []
for arg in cmdline:
for check in ourargs:
if arg.startswith(check):
final_cmdline.append(arg)
if arg.startswith("vga="):
if previous_vga in final_cmdline:
final_cmdline.remove(previous_vga)
previous_vga = arg
fsset = self.anaconda.storage.fsset
swap_devices = fsset.swapDevices
# <storage.devices.Device> subclass
root_device = self.anaconda.storage.rootDevice
# device.format.mountpoint, device.format.type, device.format.mountable,
# device.format.options, device.path, device.fstabSpec
root_crypted = False
swap_crypted = False
delayed_crypt_swap = None
if swap_devices:
log.info("Found swap devices: %s" % (swap_devices,))
swap_dev = swap_devices[0]
swap_crypto_dev = None
for name in fsset.cryptTab.mappings.keys():
swap_crypto_dev = fsset.cryptTab[name]['device']
if swap_dev == swap_crypto_dev or swap_dev.dependsOn(
swap_crypto_dev):
swap_crypted = True
break
if swap_crypted:
# genkernel hardcoded bullshit, cannot change /dev/mapper/swap
# change inside swap_dev, fstabSpec should return /dev/mapper/swap
swap_crypted = ("swap", swap_dev)
final_cmdline.append("resume=swap:%s" % (swap_dev.path,))
final_cmdline.append("real_resume=%s" % (swap_dev.path,))
# NOTE: cannot use swap_crypto_dev.fstabSpec because
# genkernel doesn't support UUID= on crypto
delayed_crypt_swap = swap_crypto_dev.path
else:
final_cmdline.append("resume=swap:%s" % (swap_dev.fstabSpec,))
final_cmdline.append("real_resume=%s" % (swap_dev.fstabSpec,))
# setup LVM
lvscan_out = commands.getoutput("LANG=C LC_ALL=C lvscan").split("\n")[0].strip()
if not lvscan_out.startswith("No volume groups found"):
final_cmdline.append("dolvm")
crypto_dev = None
for name in fsset.cryptTab.mappings.keys():
crypto_dev = fsset.cryptTab[name]['device']
if root_device == crypto_dev or root_device.dependsOn(crypto_dev):
root_crypted = True
break
def is_parent_a_simple_device(root_device):
if not hasattr(root_device, 'parents'):
return False
for parent in root_device.parents:
if not isinstance(parent, storage.devices.PartitionDevice):
return False
return True
def is_parent_a_md_device(root_device):
if not hasattr(root_device, 'parents'):
return False
for parent in root_device.parents:
if not isinstance(parent, storage.devices.MDRaidArrayDevice):
return False
return True
def translate_real_root(root_device, crypted):
if crypted and is_parent_a_md_device(root_device):
return "/dev/mapper/root"
if crypted and is_parent_a_simple_device(root_device):
return "/dev/mapper/root"
if isinstance(root_device, storage.devices.MDRaidArrayDevice):
return root_device.path
return root_device.fstabSpec
crypt_root = None
if root_crypted:
log.info("Root crypted? %s, %s, crypto_dev: %s" % (root_crypted,
root_device.path, crypto_dev.path))
# NOTE: cannot use crypto_dev.fstabSpec because
# genkernel doesn't support UUID= on crypto
translated_real_root = translate_real_root(root_device, True)
root_crypted = (os.path.basename(translated_real_root), root_device)
final_cmdline.append("root=%s crypt_root=%s" % (
translated_real_root, crypto_dev.path,))
# due to genkernel initramfs stupidity, when crypt_root = crypt_swap
# do not add crypt_swap.
if delayed_crypt_swap == crypto_dev.path:
delayed_crypt_swap = None
else:
log.info("Root crypted? Nope!")
final_cmdline.append("root=%s" % (
translate_real_root(root_device, False),))
# always add docrypt, loads kernel mods required by cryptsetup devices
if "docrypt" not in final_cmdline:
final_cmdline.append("docrypt")
if delayed_crypt_swap:
final_cmdline.append("crypt_swap=%s" % (delayed_crypt_swap,))
log.info("Generated boot cmdline: %s" % (final_cmdline,))
return final_cmdline, root_crypted, swap_crypted
def _setup_grub2(self):
cmdline_args, root_crypted, swap_crypted = self._get_bootloader_args()
log.info("_setup_grub2, cmdline_args: %s | "
"root_crypted: %s | swap_crypted: %s" % (cmdline_args,
root_crypted, swap_crypted,))
# "sda" <string>
grub_target = self.anaconda.bootloader.getDevice()
try:
# <storage.device.PartitionDevice>
boot_device = self.anaconda.storage.mountpoints["/boot"]
except KeyError:
boot_device = self.anaconda.storage.mountpoints["/"]
cmdline_str = ' '.join(cmdline_args)
# if root_device or swap encrypted, replace splash=silent
if root_crypted or swap_crypted:
cmdline_str = cmdline_str.replace('splash=silent', 'splash=verbose')
log.info("_setup_grub2, grub_target: %s | "
"boot_device: %s | cmdline_str: %s" % (grub_target,
boot_device, cmdline_str,))
self._write_grub2(cmdline_str, grub_target)
# disable Anaconda bootloader code
self.anaconda.bootloader.defaultDevice = -1
return root_crypted or swap_crypted, root_crypted, swap_crypted
def _write_grub2(self, cmdline, grub_target):
default_file_noroot = "/etc/default/grub"
grub_cfg_noroot = "/boot/grub/grub.cfg"
log.info("%s: %s => %s\n" % ("_write_grub2", "begin", locals()))
# setup grub variables
# this file must exist
# drop vga= from cmdline
#cmdline = ' '.join([x for x in cmdline.split() if \
# not x.startswith("vga=")])
grub_gentoo_file = self._root + "/etc/default/gentoo-grub"
grub_gentoo_dir = os.path.dirname(grub_gentoo_file)
if not os.path.isdir(grub_gentoo_dir):
os.makedirs(grub_gentoo_dir)
with open(grub_gentoo_file, "w") as f_w:
f_w.write("# this file has been added by the Anaconda Installer\n")
f_w.write("# containing default installer bootloader arguments.\n")
f_w.write("# DO NOT EDIT NOR REMOVE THIS FILE DIRECTLY !!!\n")
f_w.write('GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX} %s"\n' % (
cmdline,))
f_w.flush()
if self.anaconda.bootloader.password and self.anaconda.bootloader.pure:
# still no proper support, so implement what can be implemented
# XXX: unencrypted password support
pass_file = self._root + "/etc/grub.d/00_password"
f_w = open(pass_file, "w")
f_w.write("""\
set superuser="root"
password root """+str(self.anaconda.bootloader.pure)+"""
""")
f_w.flush()
f_w.close()
# remove device.map if found
dev_map = self._root + "/boot/grub/device.map"
if os.path.isfile(dev_map):
os.remove(dev_map)
# this must be done before, otherwise gfx mode is not enabled
iutil.execWithRedirect('/sbin/grub2-install',
["/dev/" + grub_target, "--recheck", "--force"],
stdout = PROGRAM_LOG_FILE,
stderr = PROGRAM_LOG_FILE,
root = self._root
)
iutil.execWithRedirect('/sbin/grub-mkconfig',
["--output=%s" % (grub_cfg_noroot,)],
stdout = PROGRAM_LOG_FILE,
stderr = PROGRAM_LOG_FILE,
root = self._root
)
log.info("%s: %s => %s\n" % ("_write_grub2", "end", locals()))
def kernelVersionList(self, rootPath = "/"):
"""
This won't be used, because our Anaconda codebase is using grub2
"""
return []
def doBackendSetup(self, anaconda):
ossize = self._getLiveSizeMB()
slash = anaconda.storage.rootDevice
if slash.size < ossize:
rc = anaconda.intf.messageWindow(_("Warning"),
_("The root filesystem you created is "
"not large enough for this live "
"image (%.2f MB required). But I coult be mistaken.") % ossize,
type = "custom",
custom_icon = "error",
custom_buttons=[_("_Back"),
_("_Exit installer")])
# package/group selection doesn't apply for this backend
def groupExists(self, group):
pass
def selectGroup(self, group, *args):
pass
def deselectGroup(self, group, *args):
pass
def selectPackage(self, pkg, *args):
pass
def deselectPackage(self, pkg, *args):
pass
def packageExists(self, pkg):
return True
def getDefaultGroups(self, anaconda):
return []
def writePackagesKS(self, f, anaconda):
pass
|