anaconda/anaconda-40.22.3.13/pyanaconda/anaconda.py
2024-11-14 21:39:56 -08:00

246 lines
9 KiB
Python

# anaconda: The Red Hat Linux Installation program
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
# 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/>.
#
import os
import sys
from tempfile import mkstemp
import threading
from pyanaconda.core.constants import DisplayModes, PAYLOAD_TYPE_RPM_OSTREE, ADDON_PATHS, \
PAYLOAD_TYPE_LIVE_IMAGE
from pyanaconda.core import constants
from pyanaconda.core.startup.dbus_launcher import AnacondaDBusLauncher
from pyanaconda.core.kernel import kernel_arguments
from pyanaconda.core.path import open_with_perm
from pyanaconda.modules.common.constants.services import PAYLOADS
from pyanaconda.ui.lib.addons import collect_addon_ui_paths
from pyanaconda.anaconda_loggers import get_stdout_logger
stdoutLog = get_stdout_logger()
from pyanaconda.anaconda_loggers import get_module_logger
log = get_module_logger(__name__)
class Anaconda(object):
def __init__(self):
self._display_mode = None
self._interactive_mode = True
self.gui_startup_failed = False
self._intf = None
self.ksdata = None
self.opts = None
self._payload = None
self.mehConfig = None
# Data for inhibiting the screensaver
self.dbus_session_connection = None
self.dbus_inhibit_id = None
# This is used to synchronize Gtk.main calls between the graphical
# interface and error dialogs. Whoever gets to their initialization code
# first will lock gui_initializing
self.gui_initialized = threading.Lock()
# Create class for launching our dbus session
self._dbus_launcher = None
def set_from_opts(self, opts):
"""Load argument to variables from self.opts."""
self.opts = opts
@property
def dbus_launcher(self):
if not self._dbus_launcher:
self._dbus_launcher = AnacondaDBusLauncher()
return self._dbus_launcher
@property
def payload(self):
# Try to find the payload class. First try the install
# class. If it doesn't give us one, fall back to the default.
if not self._payload:
# Get the type of the DBus payload module if any.
payload_type = self._get_dbus_payload_type()
if payload_type == PAYLOAD_TYPE_RPM_OSTREE:
from pyanaconda.payload.rpmostreepayload import RPMOSTreePayload
payload = RPMOSTreePayload()
elif self.opts.liveinst:
from pyanaconda.payload.live import LiveOSPayload
payload = LiveOSPayload()
elif payload_type == PAYLOAD_TYPE_LIVE_IMAGE:
from pyanaconda.payload.live import LiveImagePayload
payload = LiveImagePayload()
else:
from pyanaconda.payload.dnf import DNFPayload
payload = DNFPayload(self.ksdata)
self._payload = payload
return self._payload
@staticmethod
def _get_dbus_payload_type():
payloads_proxy = PAYLOADS.get_proxy()
object_path = payloads_proxy.ActivePayload
if not object_path:
return None
object_proxy = PAYLOADS.get_proxy(object_path)
return object_proxy.Type
@property
def display_mode(self):
return self._display_mode
@display_mode.setter
def display_mode(self, new_mode):
if isinstance(new_mode, DisplayModes):
if self._display_mode:
old_mode = self._display_mode
log.debug("changing display mode from %s to %s",
old_mode.value, new_mode.value)
else:
log.debug("setting display mode to %s", new_mode.value)
self._display_mode = new_mode
else: # unknown mode name - ignore & log an error
log.error("tried to set an unknown display mode name: %s", new_mode.value)
@property
def interactive_mode(self):
return self._interactive_mode
@interactive_mode.setter
def interactive_mode(self, value):
if self._interactive_mode != value:
self._interactive_mode = value
if value:
log.debug("working in interative mode")
else:
log.debug("working in noninteractive mode")
@property
def gui_mode(self):
"""Report if Anaconda should run with the GUI."""
return self._display_mode == DisplayModes.GUI
@property
def tui_mode(self):
"""Report if Anaconda should run with the TUI."""
return self._display_mode == DisplayModes.TUI
@property
def is_webui_supported(self):
"Report if webui package is installed"
return os.path.exists("/usr/share/cockpit/anaconda-webui")
def log_display_mode(self):
if not self.display_mode:
log.error("Display mode is not set!")
return
log.info("Display mode is set to '%s %s'.",
constants.INTERACTIVE_MODE_NAME[self.interactive_mode],
constants.DISPLAY_MODE_NAME[self.display_mode])
def dumpState(self):
from meh import ExceptionInfo
from meh.dump import ReverseExceptionDump
from inspect import stack as _stack
from traceback import format_stack
# Skip the frames for dumpState and the signal handler.
stack = _stack()[2:]
stack.reverse()
exn = ReverseExceptionDump(ExceptionInfo(None, None, stack),
self.mehConfig)
# gather up info on the running threads
threads = "\nThreads\n-------\n"
# Every call to sys._current_frames() returns a new dict, so it is not
# modified when threads are created or destroyed. Iterating over it is
# thread safe.
for thread_id, frame in sys._current_frames().items():
threads += "\nThread %s\n" % (thread_id,)
threads += "".join(format_stack(frame))
# dump to a unique file
(fd, filename) = mkstemp(prefix="anaconda-tb-", dir="/tmp")
dump_text = exn.traceback_and_object_dump(self)
dump_text += threads
dump_text_bytes = dump_text.encode("utf-8")
os.write(fd, dump_text_bytes)
os.close(fd)
# append to a given file
with open_with_perm("/tmp/anaconda-tb-all.log", "a+", 0o600) as f:
f.write("--- traceback: %s ---\n" % filename)
f.write(dump_text + "\n")
@property
def intf(self):
"""The user interface."""
return self._intf
def initialize_interface(self):
if self._intf:
raise RuntimeError("Second attempt to initialize the InstallInterface")
if self.gui_mode and self.is_webui_supported:
from pyanaconda.ui.webui import CockpitUserInterface
self._intf = CockpitUserInterface(
None,
self.payload,
"webui.remote" in kernel_arguments
)
# needs to be refreshed now we know if gui or tui will take place
# FIXME - what about Cockpit based addons ?
addon_paths = []
elif self.gui_mode:
from pyanaconda.ui.gui import GraphicalUserInterface
# Run the GUI in non-fullscreen mode, so live installs can still
# use the window manager
self._intf = GraphicalUserInterface(None, self.payload,
gui_lock=self.gui_initialized,
fullscreen=False)
# needs to be refreshed now we know if gui or tui will take place
addon_paths = collect_addon_ui_paths(ADDON_PATHS, "gui")
elif self.tui_mode:
# TUI and noninteractive TUI are the same in this regard
from pyanaconda.ui.tui import TextUserInterface
self._intf = TextUserInterface(None, self.payload)
# needs to be refreshed now we know if gui or tui will take place
addon_paths = collect_addon_ui_paths(ADDON_PATHS, "tui")
elif not self.display_mode:
raise RuntimeError("Display mode not set.")
else:
# this should generally never happen, as display_mode now won't let
# and invalid value to be set, but let's leave it here just in case
# something ultra crazy happens
raise RuntimeError("Unsupported display mode: %s" % self.display_mode)
if addon_paths:
self._intf.update_paths(addon_paths)