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plugininstall-wily.py
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plugininstall-wily.py
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#!/usr/bin/python3
# -*- coding: utf-8; Mode: Python; indent-tabs-mode: nil; tab-width: 4 -*-
# Copyright (C) 2005 Javier Carranza and others for Guadalinex
# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd.
# Copyright (C) 2007 Mario Limonciello
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import print_function
import fcntl
import gzip
import os
import platform
import pwd
import re
import shutil
import socket
import stat
import struct
import subprocess
import sys
import syslog
import textwrap
import traceback
import apt_pkg
from apt.cache import Cache
import debconf
sys.path.insert(0, '/usr/lib/ubiquity')
from ubiquity import install_misc, misc, osextras, plugin_manager
from ubiquity.components import apt_setup, check_kernels, hw_detect
INTERFACES_TEXT = """\
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback"""
HOSTS_TEXT = """\
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters"""
IFTAB_TEXT = """\
# This file assigns persistent names to network interfaces.
# See iftab(5) for syntax.
"""
def cleanup_after(func):
def wrapper(self):
try:
func(self)
finally:
self.cleanup()
try:
self.db.progress('STOP')
except (KeyboardInterrupt, SystemExit):
raise
except:
pass
return wrapper
class PluginProgress:
def __init__(self, db):
self._db = db
def info(self, title):
self._db.progress('INFO', title)
def get(self, question):
return self._db.get(question)
def substitute(self, template, substr, data):
self._db.subst(template, substr, data)
class Install(install_misc.InstallBase):
def __init__(self):
install_misc.InstallBase.__init__(self)
self.db = debconf.Debconf()
self.kernel_version = platform.release()
# Get langpacks from install
self.langpacks = []
if os.path.exists('/var/lib/ubiquity/langpacks'):
with open('/var/lib/ubiquity/langpacks') as langpacks:
for line in langpacks:
self.langpacks.append(line.strip())
# Load plugins
modules = plugin_manager.load_plugins()
modules = plugin_manager.order_plugins(modules)
self.plugins = [x for x in modules if hasattr(x, 'Install')]
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
self.target = '/'
return
apt_pkg.init_config()
apt_pkg.config.set("Dir", self.target)
apt_pkg.config.set("Dir::State::status",
self.target_file('var/lib/dpkg/status'))
apt_pkg.config.set("APT::GPGV::TrustedKeyring",
self.target_file('etc/apt/trusted.gpg'))
# Keep this in sync with configure_apt.
# TODO cjwatson 2011-03-03: consolidate this.
try:
if self.db.get('base-installer/install-recommends') == 'false':
apt_pkg.config.set("APT::Install-Recommends", "false")
except debconf.DebconfError:
pass
apt_pkg.config.set("APT::Authentication::TrustCDROM", "true")
apt_pkg.config.set("Acquire::gpgv::Options::",
"--ignore-time-conflict")
try:
if self.db.get('debian-installer/allow_unauthenticated') == 'true':
apt_pkg.config.set("APT::Get::AllowUnauthenticated", "true")
apt_pkg.config.set(
"Aptitude::CmdLine::Ignore-Trust-Violations", "true")
except debconf.DebconfError:
pass
apt_pkg.config.set("APT::CDROM::NoMount", "true")
apt_pkg.config.set("Acquire::cdrom::mount", "/cdrom")
apt_pkg.config.set("Acquire::cdrom::/cdrom/::Mount", "true")
apt_pkg.config.set("Acquire::cdrom::/cdrom/::UMount", "true")
apt_pkg.config.set("Acquire::cdrom::AutoDetect", "false")
apt_pkg.config.set("Dir::Media::MountPath", "/cdrom")
apt_pkg.config.set("DPkg::Options::", "--root=%s" % self.target)
# We don't want apt-listchanges or dpkg-preconfigure, so just clear
# out the list of pre-installation hooks.
apt_pkg.config.clear("DPkg::Pre-Install-Pkgs")
apt_pkg.init_system()
use_restricted = True
try:
if self.db.get('apt-setup/restricted') == 'false':
use_restricted = False
except debconf.DebconfError:
pass
if not use_restricted:
self.restricted_cache = Cache()
# TODO can we really pick up where install.py left off? They're using two
# separate databases, which means two progress states. Might need to
# record the progress position in find_next_step and pick up from there.
# Ask Colin.
@cleanup_after
def run(self):
"""Main entry point."""
# We pick up where install.py left off.
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
self.prev_count = 0
else:
self.prev_count = 74
self.count = self.prev_count
self.start = self.prev_count
self.end = self.start + 22 + len(self.plugins)
self.db.progress(
'START', self.start, self.end, 'ubiquity/install/title')
self.configure_python()
self.next_region()
self.db.progress('INFO', 'ubiquity/install/network')
self.configure_network()
self.configure_locale()
self.next_region()
self.db.progress('INFO', 'ubiquity/install/apt')
self.configure_apt()
self.configure_plugins()
self.next_region()
self.run_target_config_hooks()
self.next_region(size=5)
# Ignore failures from language pack installation.
try:
self.install_language_packs()
except install_misc.InstallStepError:
pass
except IOError:
pass
except SystemError:
pass
self.next_region()
#self.remove_unusable_kernels()
self.next_region(size=4)
self.db.progress('INFO', 'ubiquity/install/hardware')
self.configure_hardware()
# Tell apt-install to install packages directly from now on.
with open('/var/lib/ubiquity/apt-install-direct', 'w'):
pass
self.next_region()
self.db.progress('INFO', 'ubiquity/install/installing')
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
self.install_oem_extras()
else:
self.install_extras()
self.next_region()
self.db.progress('INFO', 'ubiquity/install/bootloader')
self.configure_bootloader()
self.next_region(size=4)
self.db.progress('INFO', 'ubiquity/install/removing')
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
try:
if misc.create_bool(self.db.get('oem-config/remove_extras')):
self.remove_oem_extras()
except debconf.DebconfError:
pass
else:
self.remove_extras()
self.next_region()
if 'UBIQUITY_OEM_USER_CONFIG' not in os.environ:
self.install_restricted_extras()
self.db.progress('INFO', 'ubiquity/install/apt_clone_restore')
try:
self.apt_clone_restore()
except:
syslog.syslog(
syslog.LOG_WARNING,
'Could not restore packages from the previous install:')
for line in traceback.format_exc().split('\n'):
syslog.syslog(syslog.LOG_WARNING, line)
self.db.input('critical', 'ubiquity/install/broken_apt_clone')
self.db.go()
try:
self.copy_network_config()
except:
syslog.syslog(
syslog.LOG_WARNING,
'Could not copy the network configuration:')
for line in traceback.format_exc().split('\n'):
syslog.syslog(syslog.LOG_WARNING, line)
self.db.input('critical', 'ubiquity/install/broken_network_copy')
self.db.go()
try:
self.copy_bluetooth_config()
except:
syslog.syslog(
syslog.LOG_WARNING,
'Could not copy the bluetooth configuration:')
for line in traceback.format_exc().split('\n'):
syslog.syslog(syslog.LOG_WARNING, line)
self.db.input('critical', 'ubiquity/install/broken_bluetooth_copy')
self.db.go()
try:
self.recache_apparmor()
except:
syslog.syslog(
syslog.LOG_WARNING, 'Could not create an Apparmor cache:')
for line in traceback.format_exc().split('\n'):
syslog.syslog(syslog.LOG_WARNING, line)
try:
self.copy_wallpaper_cache()
except:
syslog.syslog(
syslog.LOG_WARNING, 'Could not copy wallpaper cache:')
for line in traceback.format_exc().split('\n'):
syslog.syslog(syslog.LOG_WARNING, line)
self.copy_dcd()
self.db.progress('SET', self.count)
self.db.progress('INFO', 'ubiquity/install/log_files')
self.copy_logs()
self.save_random_seed()
self.db.progress('SET', self.end)
def _get_uid_gid_on_target(self, target_user):
"""Helper that gets the uid/gid of the username in the target chroot"""
uid = subprocess.Popen(
['chroot', self.target, 'sudo', '-u', target_user, '--',
'id', '-u'], stdout=subprocess.PIPE, universal_newlines=True)
uid = uid.communicate()[0].strip('\n')
gid = subprocess.Popen(
['chroot', self.target, 'sudo', '-u', target_user, '--',
'id', '-g'], stdout=subprocess.PIPE, universal_newlines=True)
gid = gid.communicate()[0].strip('\n')
try:
uid = int(uid)
gid = int(gid)
except ValueError:
return (None, None)
return uid, gid
def configure_python(self):
"""Byte-compile Python modules.
To save space, Ubuntu excludes .pyc files from the live filesystem.
Recreate them now to restore the appearance of a system installed
from .debs.
"""
cache = Cache()
# Python standard library.
re_minimal = re.compile('^python\d+\.\d+-minimal$')
python_installed = sorted([
pkg[:-8] for pkg in cache.keys()
if re_minimal.match(pkg) and cache[pkg].is_installed])
for python in python_installed:
re_file = re.compile('^/usr/lib/%s/.*\.py$' % python)
files = [
f for f in cache['%s-minimal' % python].installed_files
if (re_file.match(f) and
not os.path.exists(self.target_file('%sc' % f[1:])))]
install_misc.chrex(self.target, python,
'/usr/lib/%s/py_compile.py' % python, *files)
files = [
f for f in cache[python].installed_files
if (re_file.match(f) and
not os.path.exists(self.target_file('%sc' % f[1:])))]
install_misc.chrex(self.target, python,
'/usr/lib/%s/py_compile.py' % python, *files)
# Modules provided by the core Debian Python packages.
default = subprocess.Popen(
['chroot', self.target, 'pyversions', '-d'],
stdout=subprocess.PIPE,
universal_newlines=True).communicate()[0].rstrip('\n')
if default:
install_misc.chrex(self.target, default, '-m', 'compileall',
'/usr/share/python/')
if osextras.find_on_path_root(self.target, 'py3compile'):
install_misc.chrex(self.target, 'py3compile', '-p', 'python3',
'/usr/share/python3/')
def run_hooks(path, *args):
for hook in osextras.glob_root(self.target, path):
if not os.access(self.target_file(hook[1:]), os.X_OK):
continue
install_misc.chrex(self.target, hook, *args)
# Public and private modules provided by other packages.
install_misc.chroot_setup(self.target)
try:
if osextras.find_on_path_root(self.target, 'pyversions'):
supported = subprocess.Popen(
['chroot', self.target, 'pyversions', '-s'],
stdout=subprocess.PIPE,
universal_newlines=True).communicate()[0].rstrip('\n')
for python in supported.split():
try:
cachedpython = cache['%s-minimal' % python]
except KeyError:
continue
if not cachedpython.is_installed:
continue
version = cachedpython.installed.version
run_hooks('/usr/share/python/runtime.d/*.rtinstall',
'rtinstall', python, '', version)
run_hooks('/usr/share/python/runtime.d/*.rtupdate',
'pre-rtupdate', python, python)
run_hooks('/usr/share/python/runtime.d/*.rtupdate',
'rtupdate', python, python)
run_hooks('/usr/share/python/runtime.d/*.rtupdate',
'post-rtupdate', python, python)
if osextras.find_on_path_root(self.target, 'py3versions'):
supported = subprocess.Popen(
['chroot', self.target, 'py3versions', '-s'],
stdout=subprocess.PIPE,
universal_newlines=True).communicate()[0].rstrip('\n')
for python in supported.split():
try:
cachedpython = cache['%s-minimal' % python]
except KeyError:
continue
if not cachedpython.is_installed:
continue
version = cachedpython.installed.version
run_hooks('/usr/share/python3/runtime.d/*.rtinstall',
'rtinstall', python, '', version)
run_hooks('/usr/share/python3/runtime.d/*.rtupdate',
'pre-rtupdate', python, python)
run_hooks('/usr/share/python3/runtime.d/*.rtupdate',
'rtupdate', python, python)
run_hooks('/usr/share/python3/runtime.d/*.rtupdate',
'post-rtupdate', python, python)
finally:
install_misc.chroot_cleanup(self.target)
def configure_network(self):
"""Automatically configure the network.
At present, the only thing the user gets to tweak in the UI is the
hostname. Some other things will be copied from the live filesystem,
so changes made there will be reflected in the installed system.
Unfortunately, at present we have to duplicate a fair bit of netcfg
here, because it's hard to drive netcfg in a way that won't try to
bring interfaces up and down.
"""
# TODO cjwatson 2006-03-30: just call netcfg instead of doing all
# this; requires a netcfg binary that doesn't bring interfaces up
# and down
if self.target != '/':
for path in ('/etc/network/interfaces', '/etc/resolv.conf'):
if os.path.exists(path):
targetpath = self.target_file(path[1:])
st = os.lstat(path)
if stat.S_ISLNK(st.st_mode):
if os.path.lexists(targetpath):
os.unlink(targetpath)
linkto = os.readlink(path)
os.symlink(linkto, targetpath)
else:
shutil.copy2(path, targetpath)
else:
if not os.path.exists('/etc/network/interfaces'):
# Make sure there's at least something here so that ifupdown
# doesn't get upset at boot.
with open('/etc/network/interfaces', 'w') as interfaces:
print(INTERFACES_TEXT, file=interfaces)
try:
hostname = self.db.get('netcfg/get_hostname')
except debconf.DebconfError:
hostname = ''
try:
domain = self.db.get('netcfg/get_domain').rstrip('.')
except debconf.DebconfError:
domain = ''
if hostname == '':
hostname = 'ubuntu'
with open(self.target_file('etc/hosts'), 'w') as hosts:
print("127.0.0.1\tlocalhost", file=hosts)
if domain:
print("127.0.1.1\t%s.%s\t%s" % (hostname, domain, hostname),
file=hosts)
else:
print("127.0.1.1\t%s" % hostname, file=hosts)
print(HOSTS_TEXT, file=hosts)
# Network Manager's ifupdown plugin has an inotify watch on
# /etc/hostname, which can trigger a race condition if /etc/hostname is
# written and immediately followed with /etc/hosts.
with open(self.target_file('etc/hostname'), 'w') as fp:
print(hostname, file=fp)
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
os.system("hostname %s" % hostname)
persistent_net = '/etc/udev/rules.d/70-persistent-net.rules'
if os.path.exists(persistent_net):
if self.target != '/':
shutil.copy2(
persistent_net, self.target_file(persistent_net[1:]))
else:
# TODO cjwatson 2006-03-30: from <bits/ioctls.h>; ugh, but no
# binding available
SIOCGIFHWADDR = 0x8927
# <net/if_arp.h>
ARPHRD_ETHER = 1
if_names = {}
sock = socket.socket(socket.SOCK_DGRAM)
interfaces = install_misc.get_all_interfaces()
for i in range(len(interfaces)):
if_names[interfaces[i]] = struct.unpack(
'H6s', fcntl.ioctl(
sock.fileno(), SIOCGIFHWADDR,
struct.pack('256s', interfaces[i].encode()))[16:24])
sock.close()
with open(self.target_file('etc/iftab'), 'w') as iftab:
print(IFTAB_TEXT, file=iftab)
for i in range(len(interfaces)):
dup = False
if_name = if_names[interfaces[i]]
if if_name is None or if_name[0] != ARPHRD_ETHER:
continue
for j in range(len(interfaces)):
if i == j or if_names[interfaces[j]] is None:
continue
if if_name[1] != if_names[interfaces[j]][1]:
continue
if if_names[interfaces[j]][0] == ARPHRD_ETHER:
dup = True
if dup:
continue
line = (interfaces[i] + " mac " +
':'.join(['%02x' % if_name[1][c]
for c in range(6)]))
line += " arp %d" % if_name[0]
print(line, file=iftab)
def run_plugin(self, plugin):
"""Run a single install plugin."""
self.next_region()
# set a generic info message in case plugin doesn't provide one
self.db.progress('INFO', 'ubiquity/install/title')
inst = plugin.Install(None, db=self.db)
ret = inst.install(self.target, PluginProgress(self.db))
if ret:
raise install_misc.InstallStepError(
"Plugin %s failed with code %s" % (plugin.NAME, ret))
def configure_locale(self):
"""Configure the locale by running the language plugin.
We need to do this as early as possible so that apt can emit
properly-localised messages when running in the target system.
"""
try:
language_plugin = [
plugin for plugin in self.plugins
if (plugin_manager.get_mod_string(plugin, "NAME") ==
"language")][0]
except IndexError:
return
self.run_plugin(language_plugin)
# Don't run this plugin again.
self.plugins = [
plugin for plugin in self.plugins if plugin != language_plugin]
def configure_plugins(self):
"""Apply plugin settings to installed system."""
for plugin in self.plugins:
self.run_plugin(plugin)
def configure_apt(self):
"""Configure /etc/apt/sources.list."""
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
return # apt will already be setup as the OEM wants
# TODO cjwatson 2007-07-06: Much of the following is
# cloned-and-hacked from base-installer/debian/postinst. Perhaps we
# should come up with a way to avoid this.
# Keep this in sync with __init__.
try:
if self.db.get('base-installer/install-recommends') == 'false':
tf = self.target_file('etc/apt/apt.conf.d/00InstallRecommends')
with open(tf, 'w') as apt_conf_ir:
print('APT::Install-Recommends "false";', file=apt_conf_ir)
except debconf.DebconfError:
pass
# Make apt trust CDs. This is not on by default (we think).
# This will be left in place on the installed system.
tf = self.target_file('etc/apt/apt.conf.d/00trustcdrom')
with open(tf, 'w') as apt_conf_tc:
print('APT::Authentication::TrustCDROM "true";', file=apt_conf_tc)
# Avoid clock skew causing gpg verification issues.
# This file will be left in place until the end of the install.
tf = self.target_file('etc/apt/apt.conf.d/00IgnoreTimeConflict')
with open(tf, 'w') as apt_conf_itc:
print('Acquire::gpgv::Options { "--ignore-time-conflict"; };',
file=apt_conf_itc)
try:
if self.db.get('debian-installer/allow_unauthenticated') == 'true':
tf = self.target_file(
'etc/apt/apt.conf.d/00AllowUnauthenticated')
with open(tf, 'w') as apt_conf_au:
print('APT::Get::AllowUnauthenticated "true";',
file=apt_conf_au)
print('Aptitude::CmdLine::Ignore-Trust-Violations "true";',
file=apt_conf_au)
except debconf.DebconfError:
pass
# let apt inside the chroot see the cdrom
if self.target != "/":
target_cdrom = self.target_file('cdrom')
misc.execute('umount', target_cdrom)
if not os.path.exists(target_cdrom):
if os.path.lexists(target_cdrom):
os.unlink(target_cdrom)
os.mkdir(target_cdrom)
misc.execute('mount', '--bind', '/cdrom', target_cdrom)
# Make apt-cdrom and apt not unmount/mount CD-ROMs.
# This file will be left in place until the end of the install.
tf = self.target_file('etc/apt/apt.conf.d/00NoMountCDROM')
with open(tf, 'w') as apt_conf_nmc:
print(textwrap.dedent("""\
APT::CDROM::NoMount "true";
Acquire::cdrom {
mount "/cdrom";
"/cdrom/" {
Mount "true";
UMount "true";
};
AutoDetect "false";
};
Dir::Media::MountPath "/cdrom";"""), file=apt_conf_nmc)
# This will be reindexed after installation based on the full
# installed sources.list.
try:
shutil.rmtree(
self.target_file('var/lib/apt-xapian-index'),
ignore_errors=True)
except OSError:
pass
dbfilter = apt_setup.AptSetup(None, self.db)
ret = dbfilter.run_command(auto_process=True)
if ret != 0:
raise install_misc.InstallStepError(
"AptSetup failed with code %d" % ret)
def run_target_config_hooks(self):
"""Run hook scripts from /usr/lib/ubiquity/target-config.
This allows casper to hook into us and repeat bits of its
configuration in the target system.
"""
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
return # These were already run once during install
hookdir = '/usr/lib/ubiquity/target-config'
if os.path.isdir(hookdir):
# Exclude hooks containing '.', so that *.dpkg-* et al are avoided.
hooks = [entry for entry in os.listdir(hookdir)
if '.' not in entry]
self.db.progress('START', 0, len(hooks), 'ubiquity/install/title')
self.db.progress('INFO', 'ubiquity/install/target_hooks')
for hookentry in hooks:
hook = os.path.join(hookdir, hookentry)
syslog.syslog('running %s' % hook)
if not os.access(hook, os.X_OK):
self.db.progress('STEP', 1)
continue
# Errors are ignored at present, although this may change.
subprocess.call(['log-output', '-t', 'ubiquity',
'--pass-stdout', hook])
self.db.progress('STEP', 1)
self.db.progress('STOP')
def install_language_packs(self):
if not self.langpacks:
return
self.do_install(self.langpacks, langpacks=True)
self.verify_language_packs()
def verify_language_packs(self):
if os.path.exists('/var/lib/ubiquity/no-install-langpacks'):
return # always complete enough
if self.db.get('pkgsel/ignore-incomplete-language-support') == 'true':
return
cache = Cache()
incomplete = False
for pkg in self.langpacks:
if pkg.startswith('gimp-help-'):
# gimp-help-common is far too big to fit on CDs, so don't
# worry about it.
continue
cachedpkg = install_misc.get_cache_pkg(cache, pkg)
if cachedpkg is None or not cachedpkg.is_installed:
syslog.syslog('incomplete language support: %s missing' % pkg)
incomplete = True
break
if incomplete:
language_support_dir = \
self.target_file('usr/share/language-support')
update_notifier_dir = \
self.target_file('var/lib/update-notifier/user.d')
for note in ('incomplete-language-support-gnome.note',
'incomplete-language-support-qt.note'):
notepath = os.path.join(language_support_dir, note)
if os.path.exists(notepath):
if not os.path.exists(update_notifier_dir):
os.makedirs(update_notifier_dir)
shutil.copy(notepath,
os.path.join(update_notifier_dir, note))
break
def traverse_for_kernel(self, cache, pkg):
kern = install_misc.get_cache_pkg(cache, pkg)
if kern is None:
return None
pkc = cache._depcache.get_candidate_ver(kern._pkg)
if 'Depends' in pkc.depends_list:
dependencies = pkc.depends_list['Depends']
else:
# Didn't find.
return None
for dep in dependencies:
name = dep[0].target_pkg.name
if name.startswith('linux-image-2.'):
return name
elif name.startswith('linux-'):
return self.traverse_for_kernel(cache, name)
def remove_unusable_kernels(self):
"""Remove unusable kernels.
Keeping these may cause us to be unable to boot.
"""
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
return
self.db.progress('START', 0, 5, 'ubiquity/install/title')
self.db.progress('INFO', 'ubiquity/install/find_removables')
# Check for kernel packages to remove.
dbfilter = check_kernels.CheckKernels(None, self.db)
dbfilter.run_command(auto_process=True)
install_kernels = set()
new_kernel_pkg = None
new_kernel_version = None
install_kernels_path = "/var/lib/ubiquity/install-kernels"
if os.path.exists(install_kernels_path):
with open(install_kernels_path) as install_kernels_file:
for line in install_kernels_file:
kernel = line.strip()
install_kernels.add(kernel)
# If we decided to actively install a particular kernel
# like this, it's probably because we prefer it to the
# default one, so we'd better update kernel_version to
# match.
if kernel.startswith('linux-image-2.'):
new_kernel_pkg = kernel
new_kernel_version = kernel[12:]
elif kernel.startswith('linux-generic-'):
# Traverse dependencies to find the real kernel image.
cache = Cache()
kernel = self.traverse_for_kernel(cache, kernel)
if kernel:
new_kernel_pkg = kernel
new_kernel_version = kernel[12:]
install_kernels_file.close()
remove_kernels = set()
remove_kernels_path = "/var/lib/ubiquity/remove-kernels"
if os.path.exists(remove_kernels_path):
with open(remove_kernels_path) as remove_kernels_file:
for line in remove_kernels_file:
remove_kernels.add(line.strip())
if len(install_kernels) == 0 and len(remove_kernels) == 0:
self.db.progress('STOP')
return
# TODO cjwatson 2009-10-19: These regions are rather crude and
# should be improved.
self.db.progress('SET', 1)
self.progress_region(1, 2)
if install_kernels:
self.do_install(install_kernels)
install_misc.record_installed(install_kernels)
if new_kernel_pkg:
cache = Cache()
cached_pkg = install_misc.get_cache_pkg(cache, new_kernel_pkg)
if cached_pkg is not None and cached_pkg.is_installed:
self.kernel_version = new_kernel_version
else:
remove_kernels = []
del cache
else:
remove_kernels = []
self.db.progress('SET', 2)
self.progress_region(2, 5)
try:
if remove_kernels:
install_misc.record_removed(remove_kernels, recursive=True)
except:
self.db.progress('STOP')
raise
self.db.progress('SET', 5)
self.db.progress('STOP')
def get_resume_partition(self):
biggest_size = 0
biggest_partition = None
try:
with open('/proc/swaps') as swaps:
for line in swaps:
words = line.split()
if words[1] != 'partition':
continue
if not os.path.exists(words[0]):
continue
if words[0].startswith('/dev/ramzswap'):
continue
size = int(words[2])
if size > biggest_size:
biggest_size = size
biggest_partition = words[0]
except Exception:
return None
return biggest_partition
def configure_hardware(self):
"""Reconfigure several hardware-specific packages.
These packages depend on the hardware of the system where the live
filesystem was built, and must be reconfigured to work properly on
the installed system.
"""
self.nested_progress_start()
install_misc.chroot_setup(self.target)
try:
dbfilter = hw_detect.HwDetect(None, self.db)
ret = dbfilter.run_command(auto_process=True)
if ret != 0:
raise install_misc.InstallStepError(
"HwDetect failed with code %d" % ret)
finally:
install_misc.chroot_cleanup(self.target)
self.nested_progress_end()
self.db.progress('INFO', 'ubiquity/install/hardware')
script = '/usr/lib/ubiquity/debian-installer-utils' \
'/register-module.post-base-installer'
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
script += '-oem'
misc.execute(script)
resume = self.get_resume_partition()
if resume is not None:
resume_uuid = None
try:
resume_uuid = subprocess.Popen(
['block-attr', '--uuid', resume],
stdout=subprocess.PIPE,
universal_newlines=True).communicate()[0].rstrip('\n')
except OSError:
pass
if resume_uuid:
resume = "UUID=%s" % resume_uuid
if os.path.exists(self.target_file('etc/initramfs-tools/conf.d')):
configdir = self.target_file('etc/initramfs-tools/conf.d')
elif os.path.exists(self.target_file('etc/mkinitramfs/conf.d')):
configdir = self.target_file('etc/mkinitramfs/conf.d')
else:
configdir = None
if configdir is not None:
resume_path = os.path.join(configdir, 'resume')
with open(resume_path, 'w') as configfile:
print("RESUME=%s" % resume, file=configfile)
osextras.unlink_force(self.target_file('etc/popularity-contest.conf'))
try:
participate = self.db.get('popularity-contest/participate')
install_misc.set_debconf(
self.target, 'popularity-contest/participate', participate,
self.db)
except debconf.DebconfError:
pass
osextras.unlink_force(self.target_file('etc/papersize'))
subprocess.call(['log-output', '-t', 'ubiquity', 'chroot', self.target,
'ucf', '--purge', '/etc/papersize'],
preexec_fn=install_misc.debconf_disconnect,
close_fds=True)
try:
install_misc.set_debconf(
self.target, 'libpaper/defaultpaper', '', self.db)
except debconf.DebconfError:
pass
osextras.unlink_force(
self.target_file('etc/ssl/certs/ssl-cert-snakeoil.pem'))
osextras.unlink_force(
self.target_file('etc/ssl/private/ssl-cert-snakeoil.key'))
install_misc.chroot_setup(self.target, x11=True)
#install_misc.chrex(
# self.target, 'dpkg-divert', '--package', 'ubiquity', '--rename',
# '--quiet', '--add', '/usr/sbin/update-initramfs')
#try:
# os.symlink(
# '/bin/true', self.target_file('usr/sbin/update-initramfs'))
#except OSError:
# pass
#packages = ['linux-image-' + self.kernel_version,
packages = ['popularity-contest',
'libpaper1',
'ssl-cert']
try:
for package in packages:
install_misc.reconfigure(self.target, package)
finally:
#osextras.unlink_force(
# self.target_file('usr/sbin/update-initramfs'))
#install_misc.chrex(
# self.target, 'dpkg-divert', '--package', 'ubiquity',
# '--rename', '--quiet', '--remove',
# '/usr/sbin/update-initramfs')
#install_misc.chrex(
# self.target, 'update-initramfs', '-c',
# '-k', self.kernel_version)
install_misc.chroot_cleanup(self.target, x11=True)
# Fix up kernel symlinks now that the initrd exists. Depending on
# the architecture, these may be in / or in /boot.
bootdir = self.target_file('boot')
if self.db.get('base-installer/kernel/linux/link_in_boot') == 'true':
linkdir = bootdir
linkprefix = ''
else:
linkdir = self.target
linkprefix = 'boot'
return
# Remove old symlinks. We'll set them up from scratch.
re_symlink = re.compile('vmlinu[xz]|initrd.img$')
for entry in os.listdir(linkdir):
if re_symlink.match(entry) is not None:
filename = os.path.join(linkdir, entry)
if os.path.islink(filename):
os.unlink(filename)
if linkdir != self.target:
# Remove symlinks in /target too, which may have been created on
# the live filesystem. This isn't necessary, but it may help
# avoid confusion.
for entry in os.listdir(self.target):
if re_symlink.match(entry) is not None:
filename = self.target_file(entry)
if os.path.islink(filename):
os.unlink(filename)
# Create symlinks. Prefer our current kernel version if possible,
# but if not (perhaps due to a customised live filesystem image),
# it's better to create some symlinks than none at all.
re_image = re.compile('(vmlinu[xz]|initrd.img)-')
for entry in os.listdir(bootdir):
match = re_image.match(entry)
if match is not None:
imagetype = match.group(1)
linksrc = os.path.join(linkprefix, entry)
linkdst = os.path.join(linkdir, imagetype)
if os.path.exists(linkdst):
if entry.endswith('-' + self.kernel_version):
os.unlink(linkdst)
else:
continue
os.symlink(linksrc, linkdst)
def configure_bootloader(self):
"""Configure and install the boot loader."""
if 'UBIQUITY_OEM_USER_CONFIG' in os.environ:
# the language might be different than initial install.