#!/usr/bin/python3 # # anaconda: The Red Hat Linux Installation program # # Copyright (C) 1999-2013 # 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 . # # This toplevel file is a little messy at the moment... (2001-06-22) # ...still messy (2013-07-12) # A lot less messy now. :) (2016-10-13) import os import atexit import sys import time import signal import pid # Redirect Anaconda main process stderr to Journal, # as otherwise this could end up writing all over # the TUI on TTY1. # create an appropriately named Journal writing stream from systemd import journal anaconda_stderr_stream = journal.stream("anaconda", priority=journal.LOG_ERR) # redirect stderr of this process to the stream os.dup2(anaconda_stderr_stream.fileno(), sys.stderr.fileno()) def exitHandler(rebootData): # Clear the list of watched PIDs. from pyanaconda.core.process_watchers import WatchProcesses WatchProcesses.unwatch_all_processes() if flags.use_rd: gnome_remote_destop.shutdown_server() if "nokill" in kernel_arguments: util.vtActivate(1) print("anaconda halting due to nokill flag.") print("The system will be rebooted when you press Ctrl-Alt-Delete.") while True: time.sleep(10000) from pyanaconda.screensaver import uninhibit_screensaver uninhibit_screensaver() # Unsetup the payload, which most usefully unmounts live images if anaconda.payload: anaconda.payload.unsetup() # Collect all optical media. from pyanaconda.modules.common.constants.objects import DEVICE_TREE from pyanaconda.modules.common.structures.storage import DeviceData device_tree = STORAGE.get_proxy(DEVICE_TREE) optical_media = [] for device_name in device_tree.FindOpticalMedia(): device_data = DeviceData.from_structure( device_tree.GetDeviceData(device_name) ) optical_media.append(device_data.path) # Tear down the storage module. storage_proxy = STORAGE.get_proxy() from pyanaconda.modules.common.task import sync_run_task for task_path in storage_proxy.TeardownWithTasks(): task_proxy = STORAGE.get_proxy(task_path) sync_run_task(task_proxy) # Stop the DBus session. anaconda.dbus_launcher.stop() # Clean up the PID file if pidfile: pidfile.close() # Reboot the system. if conf.system.can_reboot: from pykickstart.constants import KS_SHUTDOWN, KS_WAIT if flags.eject or rebootData.eject: for device_path in optical_media: if path.get_mount_paths(device_path): util.dracut_eject(device_path) if flags.kexec: util.execWithRedirect("systemctl", ["--no-wall", "kexec"], do_preexec=False) while True: time.sleep(10000) elif rebootData.action == KS_SHUTDOWN: util.execWithRedirect("systemctl", ["--no-wall", "poweroff"], do_preexec=False) elif rebootData.action == KS_WAIT: util.execWithRedirect("systemctl", ["--no-wall", "halt"], do_preexec=False) else: # reboot action is KS_REBOOT or None util.execWithRedirect("systemctl", ["--no-wall", "reboot"], do_preexec=False) def parse_arguments(argv=None, boot_cmdline=None): """Parse command line/boot options and arguments. :param argv: command like arguments :param boot_cmdline: boot options :returns: namespace of parsed options and a list of deprecated anaconda options that have been found """ from pyanaconda.argument_parsing import getArgumentParser from pyanaconda.core.util import get_anaconda_version_string ap = getArgumentParser(get_anaconda_version_string(), boot_cmdline) namespace = ap.parse_args(argv, boot_cmdline=boot_cmdline) return (namespace, ap.removed_no_inst_bootargs) def setup_environment(): """Setup contents of os.environ according to Anaconda needs. This method is run before any threads are started, so this is the one point where it's ok to modify the environment. """ # pylint: disable=environment-modify # Silly GNOME stuff if "HOME" in os.environ and not "XAUTHORITY" in os.environ: os.environ["XAUTHORITY"] = os.environ["HOME"] + "/.Xauthority" os.environ["HOME"] = "/tmp" os.environ["LC_NUMERIC"] = "C" os.environ["GCONF_GLOBAL_LOCKS"] = "1" # In theory, this gets rid of our LVM file descriptor warnings os.environ["LVM_SUPPRESS_FD_WARNINGS"] = "1" # make sure we have /sbin and /usr/sbin in our path os.environ["PATH"] += ":/sbin:/usr/sbin" # we can't let the LD_PRELOAD hang around because it will leak into # rpm %post and the like. ick :/ if "LD_PRELOAD" in os.environ: del os.environ["LD_PRELOAD"] # Go ahead and set $WAYLAND_DISPLAY whether we're going to use Wayland or not if "WAYLAND_DISPLAY" in os.environ: flags.preexisting_wayland = True else: os.environ["WAYLAND_DISPLAY"] = constants.WAYLAND_SOCKET_NAME # Go ahead and set $DISPLAY whether we're going to use X or not if "DISPLAY" in os.environ: flags.preexisting_x11 = True else: os.environ["DISPLAY"] = ":%s" % constants.X_DISPLAY_NUMBER # We mostly don't run from bash, so it won't load the file for us, and libreport will then # show vi instead of nano. Resolves https://bugzilla.redhat.com/show_bug.cgi?id=1889674 if "EDITOR" not in os.environ and os.path.isfile("/etc/profile.d/nano-default-editor.sh"): os.environ["EDITOR"] = "/usr/bin/nano" if __name__ == "__main__": # check if the CLI help is requested and return it at once, # without importing random stuff and spamming stdout if ("--help" in sys.argv) or ("-h" in sys.argv) or ("--version" in sys.argv): # we skip the full logging initialisation, but we need to do at least # this much (redirect any log messages to stdout) to get rid of the # harmless but annoying "no handlers found" message on stdout import logging log = logging.getLogger("anaconda.main") log.addHandler(logging.StreamHandler(stream=sys.stdout)) parse_arguments() if os.geteuid() != 0: print("anaconda must be run as root.") sys.exit(1) print("Starting installer, one moment...") # Allow a file to be loaded as early as possible try: # pylint: disable=import-error,unused-import import updates_disk_hook except ImportError: pass # Append Python paths to Anaconda addons at the end. from pyanaconda.core.constants import ADDON_PATHS sys.path.extend(ADDON_PATHS) # init threading before Gtk can do anything and before we start using threads from pyanaconda.core.threads import thread_manager from pyanaconda.core.i18n import _ from pyanaconda.core import util, constants, path from pyanaconda import startup_utils # do this early so we can set flags before initializing logging from pyanaconda.flags import flags from pyanaconda.core.kernel import kernel_arguments (opts, removed_no_inst_args) = parse_arguments(boot_cmdline=kernel_arguments) from pyanaconda.core.configuration.anaconda import conf conf.set_from_opts(opts) # Set up logging as early as possible. from pyanaconda import anaconda_logging from pyanaconda import anaconda_loggers anaconda_logging.init(write_to_journal=conf.target.is_hardware) anaconda_logging.logger.setupVirtio(opts.virtiolog) # Load the remaining configuration after a logging is set up. if opts.profile_id: conf.set_from_profile( opts.profile_id, ) else: conf.set_from_detected_profile( util.get_os_release_value("ID"), util.get_os_release_value("VARIANT_ID"), ) conf.set_from_files() conf.set_from_opts(opts) log = anaconda_loggers.get_main_logger() stdout_log = anaconda_loggers.get_stdout_logger() # see if we're on s390x and if we've got an ssh connection if startup_utils.prompt_for_ssh(opts): sys.exit(0) log.info("%s %s", sys.argv[0], util.get_anaconda_version_string(build_time_version=True)) # Do not exceed default 8K limit on message length in rsyslog for log_line in util.get_image_packages_info(max_string_chars=8096-100): log.debug("Image packages: %s", log_line) if opts.updates_url: log.info("Using updates from: %s", opts.updates_url) # warn users that they should use inst. prefix all the time for arg in removed_no_inst_args: stdout_log.warning("Kernel boot argument '%s' detected. " "Did you want to use 'inst.%s' for the installer instead?", arg, arg) if removed_no_inst_args: stdout_log.warning("All Anaconda kernel boot arguments are now required to use " "'inst.' prefix!") # print errors encountered during boot startup_utils.print_dracut_errors(stdout_log) util.ipmi_report(constants.IPMI_STARTED) if (opts.images or opts.dirinstall) and opts.liveinst: stdout_log.error("--liveinst cannot be used with --images or --dirinstall") util.ipmi_report(constants.IPMI_ABORTED) sys.exit(1) if opts.images and opts.dirinstall: stdout_log.error("--images and --dirinstall cannot be used at the same time") util.ipmi_report(constants.IPMI_ABORTED) sys.exit(1) if (opts.images or opts.dirinstall) and not opts.ksfile: stdout_log.error("--images and --dirinstall cannot be used without --kickstart") util.ipmi_report(constants.IPMI_ABORTED) sys.exit(1) if opts.images or opts.dirinstall: log.debug("Dir and image installations can run only in the non-interactive text mode.") stdout_log.info("Enforcing the non-interactive text mode for dir and image installations.") opts.display_mode = constants.DisplayModes.TUI opts.noninteractive = True from pyanaconda import gnome_remote_destop from pyanaconda import kickstart # we are past the --version and --help shortcut so we can import display & # startup_utils, which import Blivet, without slowing down anything critical from pyanaconda import display from pyanaconda import startup_utils from pyanaconda import rescue # Print the usual "startup note" that contains Anaconda version # and short usage & bug reporting instructions. # The note should in most cases end on TTY1. startup_utils.print_startup_note(options=opts) from pyanaconda.anaconda import Anaconda anaconda = Anaconda() # reset python's default SIGINT handler signal.signal(signal.SIGINT, signal.SIG_IGN) signal.signal(signal.SIGTERM, lambda num, frame: sys.exit(1)) # synchronously-delivered signals such as SIGSEGV and SIGILL cannot be handled properly from # Python, so install signal handlers from the faulthandler stdlib module. import faulthandler faulthandler.enable() setup_environment() # make sure we have /var/log soon, some programs fail to start without it path.make_directories("/var/log") # Create a PID file. The exit handler, installed later, will clean it up. pidfile = pid.PidFile(pidname='anaconda', register_term_signal_handler=False) try: pidfile.create() except pid.PidFileError as e: log.error("Unable to create %s, exiting", pidfile.filename) # If we had a Wayland/X11 display at start and zenity is available, we may # be running in a live environment and we can display an error dialog. # Otherwise just print an error. preexisting_graphics = flags.preexisting_wayland or flags.preexisting_x11 if preexisting_graphics and os.access("/usr/bin/zenity", os.X_OK): # The module-level _() calls are ok here because the language may # be set from the live environment in this case, and anaconda's # language setup hasn't happened yet. # pylint: disable=found-_-in-module-class util.execWithRedirect("zenity", ["--error", "--title", _("Unable to create PID file"), "--text", _("Anaconda is unable to create %s because the file" " already exists. Anaconda is already running, or " "a previous instance of anaconda has crashed.") % pidfile.filename]) else: print("%s already exists, exiting" % pidfile.filename) util.ipmi_report(constants.IPMI_FAILED) sys.exit(1) # assign the other anaconda variables from options anaconda.set_from_opts(opts) # check memory, just the text mode for now: startup_utils.check_memory(anaconda, opts, display_mode=constants.DisplayModes.TUI) # Now that we've got command line/boot options, do some extra processing. startup_utils.setup_logging_from_options(opts) # Set up proxy environmental variables. startup_utils.set_up_proxy_variables(opts.proxy) # set flags flags.rescue_mode = opts.rescue flags.eject = opts.eject flags.kexec = opts.kexec if opts.liveinst: startup_utils.live_startup() # Switch to tty1 on exception in case something goes wrong during X start. # This way if, for example, window manager doesn't start, we switch back to a # text console with a traceback instead of being left looking at a blank # screen. python-meh will replace this excepthook with its own handler # once it gets going. if conf.system.can_switch_tty: def _earlyExceptionHandler(ty, value, traceback): util.ipmi_report(constants.IPMI_FAILED) util.vtActivate(1) return sys.__excepthook__(ty, value, traceback) sys.excepthook = _earlyExceptionHandler if conf.system.can_audit: # Turn off audit, if the environment is such that we can do that. Ignore errors, because # auditctl is not a dependency and can be missing for other reasons. try: util.execWithRedirect("auditctl", ["-e", "0"]) except OSError: pass log.info("anaconda called with cmdline = %s", sys.argv) log.info("Default encoding = %s ", sys.getdefaultencoding()) # start dbus session (if not already running) and run boss in it try: anaconda.dbus_launcher.start() except Exception as e: # pylint: disable=broad-except stdout_log.error(str(e)) anaconda.dbus_launcher.stop() util.ipmi_report(constants.IPMI_ABORTED) time.sleep(10) sys.exit(1) # Find a kickstart file. kspath = startup_utils.find_kickstart(opts) log.info("Found a kickstart file: %s", kspath) # Run %pre scripts. startup_utils.run_pre_scripts(kspath) # Parse the kickstart file. ksdata = startup_utils.parse_kickstart(kspath, strict_mode=opts.ksstrict) # Pick up any changes from interactive-defaults.ks that would # otherwise be covered by the dracut KS parser. from pyanaconda.modules.common.constants.services import STORAGE from pyanaconda.modules.common.constants.objects import BOOTLOADER bootloader_proxy = STORAGE.get_proxy(BOOTLOADER) if opts.leavebootorder: bootloader_proxy.KeepBootOrder = True if opts.nombr: bootloader_proxy.KeepMBR = True if ksdata.rescue.rescue: flags.rescue_mode = True # reboot with kexec if ksdata.reboot.kexec: flags.kexec = True # Change the logging configuration based on the kickstart. startup_utils.setup_logging_from_kickstart(ksdata) anaconda.ksdata = ksdata # setup keyboard layout from the command line option and let # it override from kickstart if/when X is initialized startup_utils.activate_keyboard(opts) # Users can supply post-install actions as kickstart scripts, independent of actual kickstart. # Add those to the ksdata now. kickstart.appendPostScripts(ksdata) # Set up the UI context. from pyanaconda.ui.context import context context.payload_type = anaconda.payload.type # Set up the payload from the cmdline options. anaconda.payload.set_from_opts(opts) # Initialize the security configuration. startup_utils.initialize_security() # Set the language before loading an interface, when it may be too late. startup_utils.initialize_locale(opts, text_mode=anaconda.tui_mode) # Initialize the network now, in case the display needs it from pyanaconda.network import initialize_network, wait_for_connecting_NM_thread, wait_for_connected_NM initialize_network() # If required by user, wait for connection before starting the installation. if opts.waitfornet: log.info("network: waiting for connectivity requested by inst.waitfornet=%d", opts.waitfornet) wait_for_connected_NM(timeout=opts.waitfornet) # In any case do some actions only after NM finishes its connecting. thread_manager.add_thread( name=constants.THREAD_WAIT_FOR_CONNECTING_NM, target=wait_for_connecting_NM_thread ) # Start the user instance of systemd and the session bus. display.start_user_systemd() # now start the interface display.setup_display(anaconda, opts) # we now know in which mode we are going to run so store the information from pykickstart import constants as pykickstart_constants display_mode_coversion_table = { constants.DisplayModes.GUI: pykickstart_constants.DISPLAY_MODE_GRAPHICAL, constants.DisplayModes.TUI: pykickstart_constants.DISPLAY_MODE_TEXT } ksdata.displaymode.displayMode = display_mode_coversion_table[anaconda.display_mode] ksdata.displaymode.nonInteractive = not anaconda.interactive_mode # Initialize the default systemd target. startup_utils.initialize_default_systemd_target(text_mode=anaconda.tui_mode) # Set flag to prompt for missing ks data if not anaconda.interactive_mode: flags.ksprompt = False # Set minimal ram size to the storage checker. startup_utils.set_storage_checker_minimal_ram_size(anaconda.display_mode) # Set the disk images. from pyanaconda.modules.common.constants.objects import DISK_SELECTION from pyanaconda.argument_parsing import name_path_pairs disk_select_proxy = STORAGE.get_proxy(DISK_SELECTION) disk_images = {} try: for (name, path) in name_path_pairs(opts.images): log.info("naming disk image '%s' '%s'", path, name) disk_images[name] = path except ValueError as e: stdout_log.error("error specifying image file: %s", e) util.ipmi_abort(scripts=ksdata.scripts) sys.exit(1) disk_select_proxy.DiskImages = disk_images # Ignore disks labeled OEMDRV from pyanaconda.ui.lib.storage import ignore_oemdrv_disks ignore_oemdrv_disks() # Specify protected devices. from pyanaconda.modules.common.constants.services import STORAGE if not conf.target.is_directory: from pyanaconda.ui.lib.storage import reset_storage thread_manager.add_thread( name=constants.THREAD_STORAGE, target=reset_storage ) # Initialize the system clock. startup_utils.initialize_system_clock() if flags.rescue_mode: rescue.start_rescue_mode_ui(anaconda) else: startup_utils.clean_pstore() # add our own additional signal handlers signal.signal(signal.SIGUSR1, lambda signum, frame: exception.test_exception_handling()) signal.signal(signal.SIGUSR2, lambda signum, frame: anaconda.dumpState()) atexit.register(exitHandler, ksdata.reboot) from pyanaconda import exception anaconda.mehConfig = exception.initExceptionHandling(anaconda) # Start the subscription handling thread if the Subscription DBus module # provides enough authentication data. # - as kickstart only supports org + key authentication & nothing # else currently talks to the Subscription DBus module, # we only check if organization id & at least one activation # key are available from pyanaconda.modules.common.util import is_module_available from pyanaconda.modules.common.constants.services import SUBSCRIPTION if is_module_available(SUBSCRIPTION): from pyanaconda.ui.lib.subscription import org_keys_sufficient, \ register_and_subscribe, kickstart_error_handler if org_keys_sufficient(): thread_manager.add_thread( name=constants.THREAD_SUBSCRIPTION, target=register_and_subscribe, args=[anaconda.payload], kwargs={"error_callback": kickstart_error_handler} ) # Start the setup tasks of the configured payload. from pyanaconda.payload.manager import payloadMgr payloadMgr.start(anaconda.payload) # initialize geolocation and start geolocation lookup if possible and enabled geoloc_task_proxy = startup_utils.start_geolocation_conditionally(opts) # setup ntp servers and start NTP daemon if not requested otherwise startup_utils.start_chronyd() # Finish the initialization of the setup on boot action. # This should be done sooner and somewhere else once it is possible. startup_utils.initialize_first_boot_action() # Create pre-install snapshots from pykickstart.constants import SNAPSHOT_WHEN_PRE_INSTALL from pyanaconda.kickstart import check_kickstart_error from pyanaconda.modules.common.constants.objects import SNAPSHOT from pyanaconda.modules.common.task import sync_run_task snapshot_proxy = STORAGE.get_proxy(SNAPSHOT) if snapshot_proxy.IsRequested(SNAPSHOT_WHEN_PRE_INSTALL): # What for the storage to load devices. # FIXME: Don't block the main thread! thread_manager.wait(constants.THREAD_STORAGE) # Run the task. snapshot_task_path = snapshot_proxy.CreateWithTask(SNAPSHOT_WHEN_PRE_INSTALL) snapshot_task_proxy = STORAGE.get_proxy(snapshot_task_path) with check_kickstart_error(): sync_run_task(snapshot_task_proxy) # wait for geolocation, if needed startup_utils.wait_for_geolocation_and_use(geoloc_task_proxy, anaconda.display_mode) anaconda.intf.setup(ksdata) anaconda.intf.run() # vim:tw=78:ts=4:et:sw=4