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anaconda
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anaconda
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#!/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 <http://www.gnu.org/licenses/>.
#
# Author(s): Brent Fox <bfox@redhat.com>
# Mike Fulbright <msf@redhat.com>
# Jakub Jelinek <jakub@redhat.com>
# Jeremy Katz <katzj@redhat.com>
# Chris Lumens <clumens@redhat.com>
# Paul Nasrat <pnasrat@redhat.com>
# Erik Troan <ewt@rpath.com>
# Matt Wilson <msw@rpath.com>
#
# This toplevel file is a little messy at the moment... (2001-06-22)
# ...still messy (2013-07-12)
coverage = None
# If we get a signal immediately after starting that would be pretty messed up
proc_cmdline = open("/proc/cmdline", "r").read() # pylint: disable=interruptible-system-call
proc_cmdline = proc_cmdline.split()
if ("debug=1" in proc_cmdline) or ("debug" in proc_cmdline):
import coverage
cov = coverage.coverage(data_file="/mnt/sysimage/root/anaconda.coverage",
branch=True,
source=["/usr/sbin/anaconda", "pyanaconda"]
)
cov.start()
import atexit, sys, os, time, signal, stat
def exitHandler(rebootData, storage):
# Clear the list of watched PIDs.
iutil.unwatchAllProcesses()
# stop and save coverage here b/c later the file system may be unavailable
if coverage is not None:
cov.stop()
if os.path.isdir('/mnt/sysimage/root'):
cov.save()
if flags.usevnc:
vnc.shutdownServer()
if "nokill" in flags.cmdline:
iutil.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)
if image_count or flags.dirInstall:
anaconda.storage.umountFilesystems(swapoff=False)
devicetree = anaconda.storage.devicetree
devicetree.teardownAll()
for imageName in devicetree.diskImages:
dev = devicetree.getDeviceByName(imageName)
for loop in dev.parents:
loop.controllable = True
dev.deactivate(recursive=True)
if anaconda.dbus_inhibit_id:
from pyanaconda.screensaver import uninhibit_screensaver
uninhibit_screensaver(anaconda.dbus_session_connection, anaconda.dbus_inhibit_id)
anaconda.dbus_inhibit_id = None
# Unsetup the payload, which most usefully unmounts live images
if anaconda.payload:
anaconda.payload.unsetup()
# Clean up the PID file
if pidfile_created:
os.unlink(pidfile_path)
if not flags.imageInstall and not flags.livecdInstall \
and not flags.dirInstall:
from pykickstart.constants import KS_SHUTDOWN, KS_WAIT
from pyanaconda.iutil import dracut_eject, get_mount_paths, execWithRedirect
if flags.eject or rebootData.eject:
for cdrom in storage.devicetree.getDevicesByType("cdrom"):
if get_mount_paths(cdrom.path):
dracut_eject(cdrom.path)
if flags.kexec:
execWithRedirect("systemctl", ["--no-wall", "kexec"])
while True:
time.sleep(10000)
elif rebootData.action == KS_SHUTDOWN:
execWithRedirect("systemctl", ["--no-wall", "poweroff"])
elif rebootData.action == KS_WAIT:
execWithRedirect("systemctl", ["--no-wall", "halt"])
else: # reboot action is KS_REBOOT or None
execWithRedirect("systemctl", ["--no-wall", "reboot"])
def startSpiceVDAgent():
status = iutil.execWithRedirect("spice-vdagent", [])
if status:
log.info("spice-vdagent exited with status %d", status)
else:
log.info("Started spice-vdagent.")
def startX11():
import subprocess
# Start Xorg and wait for it become ready
iutil.startX(["Xorg", "-br", "-logfile", "/tmp/X.log",
":%s" % constants.X_DISPLAY_NUMBER, "vt6", "-s", "1440", "-ac",
"-nolisten", "tcp", "-dpi", "96",
"-noreset"], output_redirect=subprocess.DEVNULL)
# function to handle X startup special issues for anaconda
def doStartupX11Actions():
"""Start window manager"""
from copy import copy
# When metacity actually connects to the X server is unknowable, but
# fortunately it doesn't matter. metacity does not need to be the first
# connection to Xorg, and if anaconda starts up before metacity, metacity
# will just take over and maximize the window and make everything right,
# fingers crossed.
# Add XDG_DATA_DIRS to the environment to pull in our overridden schema
# files.
env_bak = copy(os.environ)
if 'XDG_DATA_DIRS' in os.environ:
xdg_data_dirs = '/usr/share/anaconda/window-manager:' + os.environ['XDG_DATA_DIRS']
else:
xdg_data_dirs = '/usr/share/anaconda/window-manager:/usr/share'
childproc = iutil.startProgram(["metacity", "--display", ":1", "--sm-disable"],
env_add={'XDG_DATA_DIRS': xdg_data_dirs})
os.environ = env_bak
iutil.watchProcess(childproc, "metacity")
def set_x_resolution(runres):
if runres and opts.display_mode == 'g' and not flags.usevnc:
try:
log.info("Setting the screen resolution to: %s.", runres)
iutil.execWithRedirect("xrandr",
["-d", ":1", "-s", runres])
except RuntimeError:
log.error("The X resolution not set")
iutil.execWithRedirect("xrandr",
["-d", ":1", "-q"])
def doExtraX11Actions(runres):
"""Perform X11 actions not related to startup"""
set_x_resolution(runres)
startSpiceVDAgent()
def setupPythonUpdates():
from distutils.sysconfig import get_python_lib
import gi.overrides
# Temporary hack for F18 alpha to symlink updates and product directories
# into tmpfs. To be removed after beta in order to directly use content
# from /run/install/ -- JLK
for dirname in ("updates", "product"):
if os.path.exists("/run/install/%s" % dirname):
if os.path.islink("/tmp/%s" % dirname):
# Assume updates have already been setup
return
os.symlink("/run/install/%s" % dirname,
"/tmp/%s" % dirname)
if not os.path.exists("/tmp/updates"):
return
for pkg in os.listdir("/tmp/updates"):
d = "/tmp/updates/%s" % pkg
if not os.path.isdir(d):
continue
# See if the package exists in /usr/lib{64,}/python/?.?/site-packages.
# If it does, we can set it up as an update. If not, the pkg is
# likely a completely new directory and should not be looked at.
dest = "%s/%s" % (get_python_lib(), pkg)
if not os.access(dest, os.R_OK):
dest = "%s/%s" % (get_python_lib(1), pkg)
if not os.access(dest, os.R_OK):
continue
# Symlink over everything that's in the python libdir but not in
# the updates directory.
symlink_updates(dest, d)
gi.overrides.__path__.insert(0, "/run/install/updates")
import glob
import shutil
for rule in glob.glob("/tmp/updates/*.rules"):
target = "/etc/udev/rules.d/" + rule.split('/')[-1]
shutil.copyfile(rule, target)
def symlink_updates(dest_dir, update_dir):
contents = os.listdir(update_dir)
for f in os.listdir(dest_dir):
dest_path = os.path.join(dest_dir, f)
update_path = os.path.join(update_dir, f)
if f in contents:
# recurse into directories, there might be files missing in updates
if os.path.isdir(dest_path) and os.path.isdir(update_path):
symlink_updates(dest_path, update_path)
else:
if f.endswith(".pyc") or f.endswith(".pyo"):
continue
os.symlink(dest_path, update_path)
def getAnacondaVersionString():
# we are importing the startup module directly so that it can be replaced
# by updates image, if it was replaced before the updates image can be
# loaded, it could not be easily replaced
from pyanaconda import startup_utils
return startup_utils.get_anaconda_version_string()
def parseArguments(argv=None, boot_cmdline=None):
from pyanaconda.anaconda_argparse import AnacondaArgumentParser
from pyanaconda.anaconda_argparse import HelpTextParser
datadir = os.environ.get("ANACONDA_DATADIR", "/usr/share/anaconda")
# NOTE: for each long option (like '--repo'), AnacondaOptionParser
# checks the boot arguments for bootarg_prefix+option ('inst.repo').
# If require_prefix is False, it also accepts the option without the
# bootarg_prefix ('repo').
# See anaconda_optparse.py and BootArgs (in flags.py) for details.
ap = AnacondaArgumentParser(bootarg_prefix="inst.", require_prefix=False)
help_parser = HelpTextParser(os.path.join(datadir, "anaconda_options.txt"))
# NOTE: store_false options will *not* get negated when the user does
# "option=0" on the boot commandline (store_true options do, though).
# Basically, don't use store_false unless the option starts with "no".
# YET ANOTHER NOTE: If you change anything here:
# a) document its usage in docs/boot-options.txt
# b) be prepared to maintain it for a very long time
# If this seems like too much trouble, *don't add a new option*!
# Version
ap.add_argument('--version', action='version', version="%(prog)s " + getAnacondaVersionString())
# Interface
ap.add_argument("-C", "--cmdline", dest="display_mode", action="store_const", const="c",
default="g", help=help_parser.help_text("cmdline"))
ap.add_argument("-G", "--graphical", dest="display_mode", action="store_const", const="g",
help=help_parser.help_text("graphical"))
ap.add_argument("-T", "--text", dest="display_mode", action="store_const", const="t",
help=help_parser.help_text("text"))
# Network
ap.add_argument("--proxy", metavar='PROXY_URL', help=help_parser.help_text("proxy"))
# Method of operation
ap.add_argument("-d", "--debug", dest="debug", action="store_true",
default=False, help=help_parser.help_text("debug"))
ap.add_argument("--ks", dest="ksfile", action="store_const",
metavar="KICKSTART_URL", const="/run/install/ks.cfg",
help=help_parser.help_text("ks"))
ap.add_argument("--kickstart", dest="ksfile", metavar="KICKSTART_PATH",
help=help_parser.help_text("kickstart"))
ap.add_argument("--rescue", dest="rescue", action="store_true", default=False,
help=help_parser.help_text("rescue"))
ap.add_argument("--armplatform", dest="armPlatform", type=str, metavar="PLATFORM_ID",
help=help_parser.help_text("armplatform"))
ap.add_argument("--multilib", dest="multiLib", action="store_true", default=False,
help=help_parser.help_text("multilib"))
ap.add_argument("-m", "--method", dest="method", default=None, metavar="METHOD",
help=help_parser.help_text("method"))
ap.add_argument("--askmethod", dest="askmethod", action="store_true", default=False,
help=help_parser.help_text("askmethod"))
ap.add_argument("--repo", dest="method", default=None, metavar="REPO_URL",
help=help_parser.help_text("repo"))
ap.add_argument("--stage2", dest="stage2", default=None, metavar="STAGE2_URL",
help=help_parser.help_text("stage2"))
ap.add_argument("--noverifyssl", action="store_true", default=False,
help=help_parser.help_text("noverifyssl"))
ap.add_argument("--liveinst", action="store_true", default=False,
help=help_parser.help_text("liveinst"))
# Display
ap.add_argument("--resolution", dest="runres", default=None, metavar="WIDTHxHEIGHT",
help=help_parser.help_text("resolution"))
ap.add_argument("--usefbx", dest="xdriver", action="store_const", const="fbdev",
help=help_parser.help_text("usefbx"))
ap.add_argument("--vnc", action="store_true", default=False,
help=help_parser.help_text("vnc"))
ap.add_argument("--vncconnect", metavar="HOST:PORT", help=help_parser.help_text("vncconnect"))
ap.add_argument("--vncpassword", default="", metavar="PASSWORD",
help=help_parser.help_text("vncpassword"))
ap.add_argument("--xdriver", dest="xdriver", action="store", type=str,
default=None, metavar="DRIVER", help=help_parser.help_text("xdriver"))
# Language
ap.add_argument("--keymap", metavar="KEYMAP", help=help_parser.help_text("keymap"))
ap.add_argument("--lang", metavar="LANG", help=help_parser.help_text("lang"))
# Obvious
ap.add_argument("--loglevel", metavar="LEVEL", help=help_parser.help_text("loglevel"))
ap.add_argument("--syslog", metavar="HOST[:PORT]", help=help_parser.help_text("syslog"))
ap.add_argument("--remotelog", metavar="HOST:PORT", help=help_parser.help_text("remotelog"))
from pykickstart.constants import SELINUX_DISABLED, SELINUX_ENFORCING
from pyanaconda.constants import SELINUX_DEFAULT
ap.add_argument("--noselinux", dest="selinux", action="store_const",
const=SELINUX_DISABLED, default=SELINUX_DEFAULT,
help=help_parser.help_text("noselinux"))
ap.add_argument("--selinux", action="store_const",
const=SELINUX_ENFORCING, help=help_parser.help_text("selinux"))
ap.add_argument("--nompath", dest="mpath", action="store_false", default=True,
help=help_parser.help_text("nompath"))
ap.add_argument("--mpath", action="store_true", help=help_parser.help_text("mpath"))
ap.add_argument("--nodmraid", dest="dmraid", action="store_false", default=True,
help=help_parser.help_text("nodmraid"))
ap.add_argument("--dmraid", action="store_true", help=help_parser.help_text("dmraid"))
ap.add_argument("--noibft", dest="ibft", action="store_false", default=True,
help=help_parser.help_text("noibft"))
ap.add_argument("--ibft", action="store_true", help=help_parser.help_text("ibft"))
# Geolocation
ap.add_argument("--geoloc", metavar="PROVIDER_ID", help=help_parser.help_text("geoloc"))
# Miscellaneous
ap.add_argument("--nomount", dest="rescue_nomount", action="store_true", default=False,
help=help_parser.help_text("nomount"))
ap.add_argument("--updates", dest="updateSrc", action="store", type=str,
metavar="UPDATES_URL", help=help_parser.help_text("updates"))
ap.add_argument("--image", action="append", dest="images", default=[],
metavar="IMAGE_SPEC", help=help_parser.help_text("image"))
ap.add_argument("--dirinstall", nargs="?", const=True, default=False,
help=help_parser.help_text("dirinstall"))
ap.add_argument("--memcheck", action="store_true", default=True,
help=help_parser.help_text("memcheck"))
ap.add_argument("--nomemcheck", action="store_false", dest="memcheck",
help=help_parser.help_text("nomemcheck"))
ap.add_argument("--leavebootorder", action="store_true", default=False,
help=help_parser.help_text("leavebootorder"))
ap.add_argument("--noeject", action="store_false", dest="eject", default=True,
help=help_parser.help_text("noeject"))
ap.add_argument("--extlinux", action="store_true", default=False,
help=help_parser.help_text("extlinux"))
ap.add_argument("--nombr", action="store_true", default=False,
help=help_parser.help_text("nombr"))
ap.add_argument("--mpathfriendlynames", action="store_true", default=True,
help=help_parser.help_text("mpathfriendlynames"))
ap.add_argument("--kexec", action="store_true", default=False,
help=help_parser.help_text("kexec"))
# some defaults change based on cmdline flags
if boot_cmdline is not None:
if "console" in boot_cmdline:
ap.set_defaults(display_mode="t")
namespace = ap.parse_args(argv, boot_cmdline=boot_cmdline)
return (namespace, ap.deprecated_bootargs)
def setupPythonPath():
# First add our updates path
sys.path.insert(0, '/tmp/updates/')
from pyanaconda.constants import ADDON_PATHS
# append ADDON_PATHS dirs at the end
sys.path.extend(ADDON_PATHS)
def setupEnvironment():
from pyanaconda.users import createLuserConf
# 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 $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
# Call createLuserConf now to setup $LIBUSER_CONF
# the config file can change later but the environment variable cannot
createLuserConf(iutil.getSysroot())
def setupLoggingFromOpts(options):
if (options.debug or options.updateSrc) and not options.loglevel:
# debugging means debug logging if an explicit level hasn't been st
options.loglevel = "debug"
if options.loglevel and options.loglevel in anaconda_log.logLevelMap:
log.info("Switching logging level to %s", options.loglevel)
level = anaconda_log.logLevelMap[options.loglevel]
anaconda_log.logger.loglevel = level
anaconda_log.setHandlersLevel(log, level)
storage_log = logging.getLogger("storage")
anaconda_log.setHandlersLevel(storage_log, level)
packaging_log = logging.getLogger("packaging")
anaconda_log.setHandlersLevel(packaging_log, level)
if can_touch_runtime_system("syslog setup"):
if options.syslog:
anaconda_log.logger.updateRemote(options.syslog)
if options.remotelog:
try:
host, port = options.remotelog.split(":", 1)
port = int(port)
anaconda_log.logger.setup_remotelog(host, port)
except ValueError:
log.error("Could not setup remotelog with %s", options.remotelog)
def gtk_warning(title, reason):
import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk
dialog = Gtk.MessageDialog(type=Gtk.MessageType.ERROR,
buttons=Gtk.ButtonsType.CLOSE,
message_format=reason)
dialog.set_title(title)
dialog.run()
dialog.destroy()
# pylint: disable=redefined-outer-name
def check_memory(anaconda, options, display_mode=None):
from pyanaconda import isys
from pyanaconda.iutil import persistent_root_image
reason_strict = _("%(product_name)s requires %(needed_ram)s MB of memory to "
"install, but you only have %(total_ram)s MB on this machine.\n")
reason_graphical = _("The %(product_name)s graphical installer requires %(needed_ram)s "
"MB of memory, but you only have %(total_ram)s MB\n.")
reboot_extra = _('\n'
'Press <return> to reboot your system.\n')
livecd_title = _("Not enough RAM")
livecd_extra = _(" Try the text mode installer by running:\n\n"
"'/usr/bin/liveinst -T'\n\n from a root "
"terminal.")
nolivecd_extra = _(" Starting text mode.")
if options.rescue:
return
if not display_mode:
display_mode = anaconda.displayMode
reason = reason_strict
total_ram = int(isys.total_memory())
needed_ram = int(isys.MIN_RAM)
graphical_ram = int(isys.MIN_GUI_RAM)
# count the squashfs.img in if it is kept in RAM
if not persistent_root_image():
needed_ram += isys.SQUASHFS_EXTRA_RAM
graphical_ram += isys.SQUASHFS_EXTRA_RAM
log.info("check_memory(): total:%s, needed:%s, graphical:%s",
total_ram, needed_ram, graphical_ram)
if not options.memcheck:
log.warning("CHECK_MEMORY DISABLED")
return
reason_args = {"product_name": product.productName,
"needed_ram": needed_ram,
"total_ram": total_ram}
if needed_ram > total_ram:
from snack import SnackScreen, ButtonChoiceWindow
if options.liveinst:
# pylint: disable=logging-not-lazy
stdoutLog.warning(reason % reason_args)
gtk_warning(livecd_title, reason % reason_args)
else:
reason += reboot_extra
screen = SnackScreen()
ButtonChoiceWindow(screen, _('Fatal Error'),
reason % reason_args,
buttons = (_("OK"),))
screen.finish()
iutil.ipmi_report(constants.IPMI_ABORTED)
sys.exit(1)
# override display mode if machine cannot nicely run X
if display_mode not in ('t', 'c', 's') and not flags.usevnc:
needed_ram = graphical_ram
reason_args["needed_ram"] = graphical_ram
reason = reason_graphical
if needed_ram > total_ram:
if options.liveinst:
reason += livecd_extra
# pylint: disable=logging-not-lazy
stdoutLog.warning(reason % reason_args)
title = livecd_title
gtk_warning(title, reason % reason_args)
iutil.ipmi_report(constants.IPMI_ABORTED)
sys.exit(1)
else:
reason += nolivecd_extra
# pylint: disable=logging-not-lazy
stdoutLog.warning(reason % reason_args)
anaconda.displayMode = 't'
time.sleep(2)
def startDebugger(signum, frame):
# pylint: disable=import-error
import epdb
epdb.serve(skip=1)
# pylint: disable=redefined-outer-name
def setupDisplay(anaconda, options, addons=None):
from pyanaconda.ui.tui.simpleline import App
from pyanaconda.ui.tui.spokes.askvnc import AskVNCSpoke
from pykickstart.constants import DISPLAY_MODE_TEXT
from pyanaconda.nm import nm_is_connected, nm_is_connecting
from blivet import arch
graphical_failed = 0
vncS = vnc.VncServer() # The vnc Server object.
vncS.anaconda = anaconda
anaconda.displayMode = options.display_mode
anaconda.isHeadless = arch.isS390()
if options.vnc:
flags.usevnc = True
anaconda.displayMode = 'g'
vncS.password = options.vncpassword
# Only consider vncconnect when vnc is a param
if options.vncconnect:
cargs = options.vncconnect.split(":")
vncS.vncconnecthost = cargs[0]
if len(cargs) > 1 and len(cargs[1]) > 0:
if len(cargs[1]) > 0:
vncS.vncconnectport = cargs[1]
if options.xdriver:
anaconda.xdriver = options.xdriver
anaconda.writeXdriver(root="/")
if flags.rescue_mode:
return
if anaconda.ksdata.vnc.enabled:
flags.usevnc = True
anaconda.displayMode = 'g'
if vncS.password == "":
vncS.password = anaconda.ksdata.vnc.password
if vncS.vncconnecthost == "":
vncS.vncconnecthost = anaconda.ksdata.vnc.host
if vncS.vncconnectport == "":
vncS.vncconnectport = anaconda.ksdata.vnc.port
if anaconda.displayMode == "g":
import pkgutil
import pyanaconda.ui
mods = (tup[1] for tup in pkgutil.iter_modules(pyanaconda.ui.__path__, "pyanaconda.ui."))
if "pyanaconda.ui.gui" not in mods:
stdoutLog.warning("Graphical user interface not available, falling back to text mode")
anaconda.displayMode = "t"
flags.usevnc = False
flags.vncquestion = False
# disable VNC over text question when not enough memory is available
if blivet.util.total_memory() < isys.MIN_GUI_RAM:
stdoutLog.warning("Not asking for VNC because current memory (%d) < MIN_GUI_RAM (%d)", blivet.util.total_memory(), isys.MIN_GUI_RAM)
flags.vncquestion = False
# disable VNC question if text mode is requested and this is a ks install
if anaconda.displayMode == 't' and flags.automatedInstall:
stdoutLog.warning("Not asking for VNC because of an automated install")
flags.vncquestion = False
# disable VNC question if we were explicitly asked for text in kickstart
if anaconda.ksdata.displaymode.displayMode == DISPLAY_MODE_TEXT:
stdoutLog.warning("Not asking for VNC because text mode was explicitly asked for in kickstart")
flags.vncquestion = False
# disable VNC question if we don't have network
if not nm_is_connecting() and not nm_is_connected():
stdoutLog.warning("Not asking for VNC because we don't have a network")
flags.vncquestion = False
# disable VNC question if we don't have Xvnc
if not os.access('/usr/bin/Xvnc', os.X_OK):
stdoutLog.warning("Not asking for VNC because we don't have Xvnc")
flags.vncquestion = False
# Should we try to start Xorg?
want_x = anaconda.displayMode == 'g' and \
not (flags.preexisting_x11 or flags.usevnc)
# X on a headless (e.g. s390) system? Nonsense!
if want_x and anaconda.isHeadless:
stdoutLog.warning(_("DISPLAY variable not set. Starting text mode."))
anaconda.displayMode = 't'
graphical_failed = 1
time.sleep(2)
want_x = False
# Is Xorg is actually available?
if want_x and not os.access("/usr/bin/Xorg", os.X_OK):
stdoutLog.warning(_("Graphical installation is not available. "
"Starting text mode."))
time.sleep(2)
anaconda.displayMode = 't'
want_x = False
if anaconda.displayMode == 't' and flags.vncquestion:
#we prefer vnc over text mode, so ask about that
message = _("Text mode provides a limited set of installation "
"options. It does not offer custom partitioning for "
"full control over the disk layout. Would you like "
"to use VNC mode instead?")
app = App("VNC Question")
spoke = AskVNCSpoke(app, anaconda.ksdata, message=message)
app.schedule_screen(spoke)
app.run()
if anaconda.ksdata.vnc.enabled:
anaconda.displayMode = 'g'
flags.usevnc = True
vncS.password = anaconda.ksdata.vnc.password
log.info("Display mode = %s", anaconda.displayMode)
check_memory(anaconda, options)
# check_memory may have changed the display mode
want_x = want_x and (anaconda.displayMode == "g")
if want_x:
try:
startX11()
doStartupX11Actions()
except (OSError, RuntimeError) as e:
log.warning("X startup failed: %s", e)
stdoutLog.warning("X startup failed, falling back to text mode")
anaconda.displayMode = 't'
graphical_failed = 1
time.sleep(2)
if not graphical_failed:
doExtraX11Actions(options.runres)
if anaconda.displayMode == 't' and graphical_failed and \
flags.vncquestion and not anaconda.ksdata.vnc.enabled:
app = App("VNC Question")
spoke = AskVNCSpoke(app, anaconda.ksdata)
app.schedule_screen(spoke)
app.run()
if anaconda.ksdata.vnc.enabled:
anaconda.displayMode = 'g'
flags.usevnc = True
vncS.password = anaconda.ksdata.vnc.password
# if they want us to use VNC do that now
if anaconda.displayMode == 'g' and flags.usevnc:
vncS.startServer()
doStartupX11Actions()
# with X running we can initialize the UI interface
anaconda.initInterface(addons)
anaconda.instClass.configure(anaconda)
def prompt_for_ssh():
# Do some work here to get the ip addr / hostname to pass
# to the user.
import socket
ip = network.getFirstRealIP()
if not ip:
stdoutLog.error("No IP addresses found, cannot continue installation.")
iutil.ipmi_report(constants.IPMI_ABORTED)
sys.exit(1)
ipstr = ip
try:
hinfo = socket.gethostbyaddr(ipstr)
except socket.herror as e:
stdoutLog.debug("Exception caught trying to get host name of %s: %s", ipstr, e)
name = network.getHostname()
else:
if len(hinfo) == 3:
name = hinfo[0]
if ip.find(':') != -1:
ipstr = "[%s]" % (ip,)
if (name is not None) and (not name.startswith('localhost')) and (ipstr is not None):
connxinfo = "%s (%s)" % (socket.getfqdn(name=name), ipstr,)
elif ipstr is not None:
connxinfo = "%s" % (ipstr,)
else:
connxinfo = None
if connxinfo:
stdoutLog.info(_("Please ssh install@%s to begin the install."), connxinfo)
else:
stdoutLog.info(_("Please ssh install@<host> to continue installation."))
def cleanPStore():
"""remove files stored in nonvolatile ram created by the pstore subsystem"""
# files in pstore are linux (not distribution) specific, but we want to
# make sure the entirity of them are removed so as to ensure that there
# is sufficient free space on the flash part. On some machines this will
# take effect immediately, which is the best case. Unfortunately on some,
# an intervening reboot is needed."""
from pyanaconda.iutil import dir_tree_map
dir_tree_map("/sys/fs/pstore", os.unlink, files=True, dirs=False)
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")
log.addHandler(logging.StreamHandler(stream=sys.stdout))
parseArguments()
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
# this handles setting up updates for pypackages to minimize the set needed
setupPythonUpdates()
setupPythonPath()
# init threading before Gtk can do anything and before we start using threads
# initThreading initializes the threadMgr instance, import it afterwards
from pyanaconda.threads import initThreading, AnacondaThread
initThreading()
from pyanaconda.threads import threadMgr
from pyanaconda.i18n import _
from pyanaconda import constants
from pyanaconda.addons import collect_addon_paths
from pyanaconda import geoloc
# do this early so we can set flags before initializing logging
from pyanaconda.flags import flags, can_touch_runtime_system
(opts, depr) = parseArguments(boot_cmdline=flags.cmdline)
if opts.images:
flags.imageInstall = True
elif opts.dirinstall:
flags.dirInstall = True
# Set up logging as early as possible.
import logging
from pyanaconda import anaconda_log
anaconda_log.init()
anaconda_log.logger.setupVirtio()
from pyanaconda import network
network.setup_ifcfg_log()
log = logging.getLogger("anaconda")
stdoutLog = logging.getLogger("anaconda.stdout")
if os.geteuid() != 0:
stdoutLog.error("anaconda must be run as root.")
sys.exit(1)
# see if we're on s390x and if we've got an ssh connection
uname = os.uname()
if uname[4] == 's390x':
if 'TMUX' not in os.environ and 'ks' not in flags.cmdline and not flags.imageInstall:
prompt_for_ssh()
sys.exit(0)
log.info("%s %s", sys.argv[0], getAnacondaVersionString())
if os.path.exists("/tmp/updates"):
log.info("Using updates in /tmp/updates/ from %s", opts.updateSrc)
# TODO: uncomment this when we're sure that we're doing the right thing
# with flags.cmdline *everywhere* it appears...
#for arg in depr:
# stdoutLog.warn("Boot argument '%s' is deprecated. "
# "In the future, use 'inst.%s'.", arg, arg)
# pull this in to get product name and versioning
from pyanaconda import product
from pyanaconda import isys
from pyanaconda import iutil
iutil.ipmi_report(constants.IPMI_STARTED)
if opts.images and opts.dirinstall:
stdoutLog.error("--images and --dirinstall cannot be used at the same time")
iutil.ipmi_report(constants.IPMI_ABORTED)
sys.exit(1)
elif opts.dirinstall:
if opts.dirinstall is True:
root_path = os.environ.get("ANACONDA_ROOT_PATH", "/mnt/sysimage")
else:
root_path = opts.dirinstall
iutil.setTargetPhysicalRoot(root_path)
iutil.setSysroot(root_path)
from pyanaconda import vnc
from pyanaconda import kickstart
from pyanaconda import ntp
from pyanaconda import keyboard
from pyanaconda.iutil import ProxyString, ProxyStringError
from pyanaconda.iutil import open # pylint: disable=redefined-builtin
verdesc = "%s for %s %s" % (getAnacondaVersionString(),
product.productName, product.productVersion)
logs_note = " * installation log files are stored in /tmp during the installation"
shell_and_tmux_note = " * shell is available on TTY2"
shell_only_note = " * shell is available on TTY2 and in second TMUX pane (ctrl+b, then press 2)"
tmux_only_note = " * shell is available in second TMUX pane (ctrl+b, then press 2)"
text_mode_note = " * if the graphical installation interface fails to start, try again with the\n"\
" inst.text bootoption to start text installation"
separate_attachements_note = " * when reporting a bug add logs from /tmp as separate text/plain attachments"
if product.isFinal:
print("anaconda %s started." % verdesc)
else:
print("anaconda %s (pre-release) started." % verdesc)
# we are past the --version and --help shortcut so we can import Blivet
# now without slowing down anything critical
# pylint: disable=import-error
from blivet import arch
if not opts.images and not opts.dirinstall:
print(logs_note)
# no fancy stuff like TTYs on a s390...
if not arch.isS390():
if "TMUX" in os.environ and os.environ.get("TERM") == "screen":
print(shell_and_tmux_note)
else:
print(shell_only_note) # TMUX is not running
# ...but there is apparently TMUX during the manual installation on s390!
elif not opts.ksfile:
print(tmux_only_note) # but not during kickstart installation
# no need to tell users how to switch to text mode
# if already in text mode
if opts.display_mode == 'g':
print(text_mode_note)
print(separate_attachements_note)
from pyanaconda.anaconda import Anaconda
anaconda = Anaconda()
iutil.setup_translations()
# 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 C
# function in isys.
isys.installSyncSignalHandlers()
setupEnvironment()
# make sure we have /var/log soon, some programs fail to start without it
iutil.mkdirChain("/var/log")
# Share these with the exit handler, installed later
pidfile_path = '/var/run/anaconda.pid'
pidfile_created = False
# Look for a stale pid file
try:
with open(pidfile_path, 'r') as pidfile:
pid = int(pidfile.read())
except FileNotFoundError:
# Ignore errors due to the file not existing. Other errors mean (most
# likely) that we're not running as root, there's a filesystem error,
# or someone filled our PID file with garbage, so just let those be
# raised.
pass
else:
# Is the PID still running?
if not os.path.isdir("/proc/%s" % pid):
log.info("Removing stale PID file: %s no longer running", pid)
os.unlink(pidfile_path)
# Is the PID anaconda?
else:
try:
with open("/proc/%s/stat" % pid, "r") as pidstat:
# The part we care about is in the start, "PID (name) ..."
procname = pidstat.read().split(' ', 2)[1]
if procname != "(anaconda)":
log.info("Removing stale PID file: PID %s is now %s", pid, procname)
os.unlink(pidfile_path)
# If it is anaconda, let the pidfile creation below fail
# and print an error
except (FileNotFoundError, ProcessLookupError):
# Ignore failures due to the file not existing in case the
# process ended while we were trying to read about it. Assume
# in this case that the process was another anaconda instance,
# and the PID file was cleaned up.
# If the process ended between open and read, we'll get ESRCH
# (ProcessLookupError)
pass
# Attempt to create the pidfile
try:
# Set all of the read/write bits and let umask make it make sense
pidfile = iutil.eintr_retry_call(os.open, pidfile_path, os.O_WRONLY|os.O_CREAT|os.O_EXCL,
stat.S_IRUSR|stat.S_IWUSR|stat.S_IRGRP|stat.S_IWGRP|stat.S_IROTH|stat.S_IWOTH)
pidfile_created = True
pid_string = "%s\n" % os.getpid()
iutil.eintr_retry_call(os.write, pidfile, pid_string.encode("utf-8"))
iutil.eintr_ignore(os.close, pidfile)
except FileExistsError:
log.error("%s already exists, exiting", pidfile_path)
# If we had a $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.
if flags.preexisting_x11 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
iutil.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_path])
else:
print("%s already exists, exiting" % pidfile_path)
iutil.ipmi_report(constants.IPMI_FAILED)
sys.exit(1)
# add our own additional signal handlers
signal.signal(signal.SIGHUP, startDebugger)