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#!/usr/bin/python3 from __future__ import print_function import warnings warnings.filterwarnings("ignore", "apt API not stable yet", FutureWarning) from DistUpgrade.DistUpgradeVersion import VERSION from DistUpgrade.DistUpgradeGettext import gettext as _ from UpdateManager.Core.MetaRelease import MetaReleaseCore from optparse import OptionParser import locale import gettext import apt import os import subprocess import sys import time from UpdateManager.Core.utils import init_proxy, get_arch RELEASE_AVAILABLE=0 NO_RELEASE_AVAILABLE=1 def get_fetcher(frontend, new_dist, datadir): if frontend == "DistUpgradeViewGtk3": from DistUpgrade.DistUpgradeFetcher import DistUpgradeFetcherGtk from DistUpgrade.GtkProgress import GtkAcquireProgress progress = GtkAcquireProgress( None, datadir, _("Downloading the release upgrade tool")) return DistUpgradeFetcherGtk(new_dist=new_dist, progress=progress, parent=None, datadir=datadir) elif frontend == "DistUpgradeViewKDE": print("kde") from DistUpgrade.DistUpgradeFetcherKDE import DistUpgradeFetcherKDE from DistUpgrade.DistUpgradeFetcherKDE import KDEAcquireProgressAdapter progress = KDEAcquireProgressAdapter( parent=None, datadir=datadir, label=_("Downloading the release upgrade tool")) return DistUpgradeFetcherKDE(new_dist=new_dist, progress=progress, parent=None, datadir=datadir) else: from DistUpgrade.DistUpgradeFetcherCore import DistUpgradeFetcherCore import apt progress = apt.progress.text.AcquireProgress() return DistUpgradeFetcherCore(new_dist, progress) if __name__ == "__main__": #FIXME: Workaround a bug in optparser which doesn't handle unicode/str # correctly, see http://bugs.python.org/issue4391 # Should be resolved by Python3 gettext.bindtextdomain("ubuntu-release-upgrader", "/usr/share/locale") gettext.textdomain("ubuntu-release-upgrader") translation = gettext.translation("ubuntu-release-upgrader", fallback=True) try: locale.setlocale(locale.LC_ALL, "") except: pass init_proxy() # when run as "check-new-release" we go into "check only" mode check_only = sys.argv[0].endswith("check-new-release") parser = OptionParser() parser.add_option ("-V", "--version", action="store_true", dest="show_version", default=False, help=_("Show version and exit")) parser.add_option ("-d", "--devel-release", action="store_true", dest="devel_release", default=False, help=_("If using the latest supported release, " "upgrade to the development release")) parser.add_option ("--data-dir", "", default="/usr/share/ubuntu-release-upgrader/", help=_("Directory that contains the data files")) parser.add_option ("-p", "--proposed", action="store_true", dest="proposed_release", default=False, help=_("Try upgrading to the latest release using " "the upgrader from $distro-proposed")) parser.add_option ("-m", "--mode", default="server", dest="mode", help=_("Run in a special upgrade mode.\n" "Currently 'desktop' for regular upgrades of " "a desktop system and 'server' for server " "systems are supported.")) parser.add_option ("-f", "--frontend", default="DistUpgradeViewText", dest="frontend", help=_("Run the specified frontend")) parser.add_option ("-c", "--check-dist-upgrade-only", action="store_true", default=check_only, help=_("Check only if a new distribution release is " "available and report the result via the " "exit code")) parser.add_option ("--allow-third-party", default=False, action="store_true", dest="allow_third_party", help=_("Try the upgrade with third party " "mirrors and repositories enabled " "instead of commenting them out.")) parser.add_option ("-q", "--quiet", default=False, action="store_true", dest="quiet") parser.add_option ("-e", "--env", help=_("A comma-separated list of environment variables " "(e.g. VAR1=VALUE1,VAR2=VALUE2) that should be set " "during the upgrade.")) (options, args) = parser.parse_args() if options.show_version: print("%s: version %s" % (os.path.basename(sys.argv[0]), VERSION)) sys.exit(0) if options.devel_release and options.proposed_release: print(_("The options --devel-release and --proposed are")) print(_("mutually exclusive. Please use only one of them.")) sys.exit(1) if not options.quiet: print(_("Checking for a new Ubuntu release")) m = MetaReleaseCore(useDevelopmentRelease=options.devel_release, useProposed=options.proposed_release) # this will timeout eventually m.downloaded.wait() # make sure to inform the user if his distro is no longer supported # this will make it appear in motd (that calls do-release-upgrade in # check-new-release mode) if m.no_longer_supported is not None: url = "http://www.ubuntu.com/releaseendoflife" print(_("Your Ubuntu release is not supported anymore.")) print(_("For upgrade information, please visit:\n" "%(url)s\n") % { 'url' : url }) # LP: #1901725 useful in case we drop an arch in the future # if get_arch() == "i386": # if not options.quiet: # print(_("There will not be any further Ubuntu releases ")) # print(_("for this system's 'i386' architecture. Updates for ")) # print(_("Ubuntu 18.04 LTS will continue until April 2023.")) # sys.exit(NO_RELEASE_AVAILABLE) # now inform about a new release if m.new_dist is None: if not options.quiet: if m.prompt == 'never': print(_("In /etc/update-manager/release-upgrades Prompt ")) print(_("is set to never so upgrading is not possible.")) elif m.prompt == 'lts': print(_("There is no development version of an LTS available.")) print(_("To upgrade to the latest non-LTS development release ")) print(_("set Prompt=normal in /etc/update-manager/release-upgrades.")) elif options.devel_release: print(_("Upgrades to the development release are only ")) print(_("available from the latest supported release.")) else: print(_("No new release found.")) sys.exit(NO_RELEASE_AVAILABLE) if m.new_dist.upgrade_broken: if not options.quiet: print(_("Release upgrade not possible right now")) print(_("The release upgrade can not be performed currently, " "please try again later. The server reported: '%s'") % m.new_dist.upgrade_broken) sys.exit(NO_RELEASE_AVAILABLE) # we have a new dist if options.check_dist_upgrade_only: print(_("New release '%s' available.") % m.new_dist.version) print(_("Run 'do-release-upgrade' to upgrade to it.")) sys.exit(RELEASE_AVAILABLE) cache = apt.Cache() cache.open() install_count = 0 upgradable = [pkg for pkg in cache if pkg.is_upgradable] for pkg in upgradable: if 'Phased-Update-Percentage' in pkg.candidate.record: # P-U-P does not exist if it is fully phased continue else: install_count += 1 # one upgradeable package is enough to stop the dist-upgrade break if install_count > 0: if not options.quiet: print(_("Please install all available updates " "for your release before upgrading.")) sys.exit(1) if os.path.exists('/var/run/reboot-required.pkgs'): reboot = False with open('/var/run/reboot-required.pkgs', 'rb') as f: for line in f: # In certain cases, we need to reboot the system before proceeding # with the dist upgrade after the kernel is upgraded as otherwise # building of some dkms modules can fail. if (line == b'libc6\n' or line == b'linux-base\n' or line.startswith(b'linux-image-')): reboot = True break if reboot: if not options.quiet: print(_("You have not rebooted after updating a package which " "requires a reboot. Please reboot before upgrading.")) sys.exit(1) if options.allow_third_party: # the env variable is used by code in the dist-upgrader tarball os.environ["RELEASE_UPGRADER_ALLOW_THIRD_PARTY"] = "True" if options.env: for env in options.env.split(','): parts = env.split('=') if len(parts) < 2: continue # The value itself may contain '='. os.environ[parts[0]] = '='.join(parts[1:]) # GTK 3 fetcher starts setting up the the GUI and KDE GUI needs to start GUI # later, too. if (options.frontend in {"DistUpgradeViewGtk3", "DistUpgradeViewKDE"} and os.getuid() != 0): if 'WAYLAND_DISPLAY' in os.environ: subprocess.run(['xhost', '+si:localuser:root']) # this is needed because pkexec doesn't pass on the env if 'RELEASE_UPGRADER_ALLOW_THIRD_PARTY' in os.environ: sys.argv.append('--allow-third-party') # Some extra environment variables need to be passed, but we need # to do this explicitly with do-release-upgrade because pkexec # does not provide such functionality. extra_env_vars = [ 'DBUS_SESSION_BUS_ADDRESS=%s' % os.getenv('DBUS_SESSION_BUS_ADDRESS', ''), 'XDG_SESSION_TYPE=%s' % os.getenv('XDG_SESSION_TYPE', ''), 'XDG_CURRENT_DESKTOP=%s' % os.getenv('XDG_CURRENT_DESKTOP', ''), ] sys.argv.append('--env=%s' % ','.join(extra_env_vars)) os.execv("/usr/bin/pkexec", ["pkexec"] + sys.argv) fetcher = get_fetcher(options.frontend, m.new_dist, options.data_dir) fetcher.run_options += ["--mode=%s" % options.mode, "--frontend=%s" % options.frontend, ] if options.devel_release: fetcher.run_options.append("--devel-release") fetcher.run()