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#!/usr/bin/python3 from __future__ import print_function import optparse import datetime import distro_info import os import re import subprocess import sys import apt from UpdateManager.Core.utils import twrap, get_dist # set locale early so that the subsequent imports have localized # strings import locale try: locale.setlocale(locale.LC_ALL, "") except: pass from gettext import gettext as _ import gettext gettext.textdomain("update-manager") from HweSupportStatus.consts import ( Messages, LTS_EOL_DATE, HWE_EOL_DATE, NEXT_LTS_DOT1_DATE, ) # HWE stack with a short support period HWE_UNSUPPORTED_BACKPORTS = ( "-lts-utopic", "-lts-vivid", "-lts-wily" ) # from https://wiki.ubuntu.com/Kernel/LTSEnablementStack UNSUPPORTED_KERNEL_IMAGE_REGEX = \ r'linux-image.*-(3\.16|3\.19|4\.2)(\.[0-9]+)?-.*' # HWE stack with a long support period HWE_SUPPORTED_BACKPORT = "-hwe-22.04" SUPPORTED_KERNEL_IMAGE_REGEX = r'^$' # No fixed backported kernel yet KERNEL_METAPKGS = ( "linux-generic", "linux-image-generic", "linux-signed-generic", "linux-signed-image-generic", ) XORG_METAPKGS = ( "xserver-xorg", "libgl1-mesa-glx", # LP: #1610434 - Ubuntu GNOME needed libwayland "libwayland-egl1-mesa", ) VBOX_METAPKGS = ( "virtualbox-guest-utils", "virtualbox-guest-source" ) METAPKGS = KERNEL_METAPKGS + XORG_METAPKGS + VBOX_METAPKGS class Package: """A lightweight apt package """ def __init__(self, name, version, arch, foreign=False): self.name = name self.installed_version = version self.arch = arch self.foreign = foreign def find_hwe_packages(installed_packages): unsupported_hwe_packages = set() supported_hwe_packages = set() for pkg in installed_packages: # metapackages and X are marked with the -lts-$distro string for name in HWE_UNSUPPORTED_BACKPORTS: if pkg.name.endswith(name): unsupported_hwe_packages.add(pkg) # The individual backported kernels have names like # linux-image-3.11.0-17-generic # so we match via a regexp. # # The linux-image-generic-lts-$distro metapkg has additional # dependencies (like linux-firmware) so we can't just walk the # dependency chain. if re.match(UNSUPPORTED_KERNEL_IMAGE_REGEX, pkg.name): unsupported_hwe_packages.add(pkg) # SUPPORTED if pkg.name.endswith(HWE_SUPPORTED_BACKPORT): supported_hwe_packages.add(pkg) if re.match(SUPPORTED_KERNEL_IMAGE_REGEX, pkg.name): supported_hwe_packages.add(pkg) return unsupported_hwe_packages, supported_hwe_packages def is_unsupported_hwe_kernel_running(unsupported_hwe_package): # kernels do not conflict with each other, so we need to check # what version is actually running running_kernel_ver = os.uname()[2] # the running kernel without the abi or buildver running_kernel_ver = running_kernel_ver.split("-")[0] for pkg in unsupported_hwe_package: if not pkg.name.startswith("linux-"): continue # we only care about the version, not abi or build if pkg.installed_version.startswith(running_kernel_ver): return True return False def is_unsupported_xstack_running(unsupported_hwe_packages): # the HWE xstacks conflict with each other, so we can simply test # for existence in the installed unsupported hwe packages for pkg in unsupported_hwe_packages: for xorg_meta in XORG_METAPKGS: if pkg.name.startswith(xorg_meta): return True return False def find_supported_replacement_hwe_packages(unsupported_hwe_packages, installed_packages): unsupported_metapkg_names = set() replacement_names = set() for metapkg in METAPKGS: for unsupported_backport in HWE_UNSUPPORTED_BACKPORTS: metapkg_name = metapkg + unsupported_backport for pkg in unsupported_hwe_packages: if pkg.name == metapkg_name: replacement_name = metapkg + HWE_SUPPORTED_BACKPORT if (replacement_name, pkg.arch) not in \ [(p.name, p.arch) for p in installed_packages]: if pkg.foreign: replacement_name += ':' + pkg.arch replacement_names.add(replacement_name) unsupported_metapkg_names.add(metapkg_name) return unsupported_metapkg_names, replacement_names def is_unsupported_hwe_running(unsupported_hwe_packages): return (is_unsupported_hwe_kernel_running(unsupported_hwe_packages) or is_unsupported_xstack_running(unsupported_hwe_packages)) def advice_about_hwe_status(unsupported_hwe_packages, supported_hwe_packages, installed_packages, has_update_manager, today, verbose): unsupported_hwe_stack_running = is_unsupported_hwe_running( unsupported_hwe_packages) unsupported_hwe_metapkgs, supported_replacement_hwe = \ find_supported_replacement_hwe_packages(unsupported_hwe_packages, installed_packages) # we need the "-p" option until the next LTS point release is available if today < NEXT_LTS_DOT1_DATE: do_release_upgrade_option = "-p" else: do_release_upgrade_option = "" if unsupported_hwe_stack_running: if today < HWE_EOL_DATE: s = Messages.HWE_SUPPORT_ENDS else: s = Messages.HWE_SUPPORT_HAS_ENDED if has_update_manager: print(s + Messages.UM_UPGRADE) else: # bug #1341320 - if no metapkg is left we need to show # what is no longer supported if supported_replacement_hwe: print(s + Messages.APT_UPGRADE % ( do_release_upgrade_option, " ".join(supported_replacement_hwe))) else: print(s + Messages.APT_SHOW_UNSUPPORTED % ( " ".join([pkg.name for pkg in unsupported_hwe_packages]))) # some unsupported package installed but not running and not superseded # - this is worth reporting elif (unsupported_hwe_packages and not supported_hwe_packages and not unsupported_hwe_stack_running): s = _(""" You have packages from the Hardware Enablement Stack (HWE) installed that are going out of support on %s. """) % HWE_EOL_DATE if has_update_manager: print(s + Messages.UM_UPGRADE) else: print(s + Messages.APT_UPGRADE % ( do_release_upgrade_option, " ".join(supported_replacement_hwe))) elif supported_hwe_packages: print(Messages.HWE_SUPPORTED) elif verbose: print( _("You are not running a system with a Hardware Enablement Stack. " "Your system is supported until %(month)s %(year)s.") % { 'month': LTS_EOL_DATE.strftime("%B"), 'year': LTS_EOL_DATE.year}) if __name__ == "__main__": parser = optparse.OptionParser(description=_("Check HWE support status")) parser.add_option('--quiet', action='store_true', default=False, help="No output, exit code 10 on unsupported HWE " "packages") parser.add_option('--verbose', action='store_true', default=False, help="more verbose output") parser.add_option('--show-all-unsupported', action='store_true', default=False, help="Show unsupported HWE packages") parser.add_option('--show-replacements', action='store_true', default=False, help="show what packages need installing to be " "supported") # hidden, only useful for testing parser.add_option( '--disable-hwe-check-semaphore-file', default="/var/lib/update-notifier/disable-hwe-eol-messages", help=optparse.SUPPRESS_HELP) options, args = parser.parse_args() if options.quiet: nullfd = os.open(os.devnull, os.O_WRONLY) os.dup2(nullfd, sys.stdout.fileno()) # Check to see if we are an LTS release di = distro_info.UbuntuDistroInfo() codename = get_dist() lts = di.is_lts(codename) if not lts: if options.verbose: print("Only LTS releases have Hardware Enablement stacks", file=sys.stderr) sys.exit(0) # request from PSE to be able to disable the hwe check via a special # semaphore file HWE_CHECK_DISABLED_FILE = options.disable_hwe_check_semaphore_file if os.path.exists(HWE_CHECK_DISABLED_FILE): if options.verbose: print("Forcefully disabled hwe-support-status via file %s" % HWE_CHECK_DISABLED_FILE, file=sys.stderr) sys.exit(0) foreign_archs = set(subprocess.check_output( ['dpkg', '--print-foreign-architectures'], universal_newlines=True).split()) # do the actual check installed_packages = set() today = datetime.date.today() tagf = apt.apt_pkg.TagFile("/var/lib/dpkg/status") while tagf.step(): if tagf.section.find("Status", "") != "install ok installed": continue pkgname = tagf.section.find("Package") version = tagf.section.find("Version") arch = tagf.section.find("Architecture") foreign = arch in foreign_archs installed_packages.add(Package(pkgname, version, arch, foreign)) has_update_manager = "update-manager" in [ pkg.name for pkg in installed_packages] unsupported_hwe_packages, supported_hwe_packages = find_hwe_packages( installed_packages) if options.show_all_unsupported: if today > HWE_EOL_DATE: print(twrap(" ".join([ pkg.foreign and pkg.name + ':' + pkg.arch or pkg.name for pkg in unsupported_hwe_packages]))) if options.show_replacements: unsupported, replacements = find_supported_replacement_hwe_packages( unsupported_hwe_packages, installed_packages) if replacements: print(" ".join(replacements)) if not options.show_all_unsupported and not options.show_replacements: advice_about_hwe_status( unsupported_hwe_packages, supported_hwe_packages, installed_packages, has_update_manager, today, options.verbose) if is_unsupported_hwe_running(unsupported_hwe_packages) and \ today > HWE_EOL_DATE: sys.exit(10) sys.exit(0)