kexec-tools/anaconda-addon/com_redhat_kdump/gui/spokes/kdump.py

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# Kdump anaconda configuration
#
# Copyright (C) 2014 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
# Red Hat Author(s): David Shea <dshea@redhat.com>
#
"""Kdump anaconda GUI configuration"""
from gi.repository import Gtk
from pyanaconda.ui.gui.categories.system import SystemCategory
from pyanaconda.ui.gui.spokes import NormalSpoke
from pyanaconda.ui.gui.utils import fancy_set_sensitive
from com_redhat_kdump.i18n import _, N_
from com_redhat_kdump.common import getReservedMemory, getTotalMemory, getMemoryBounds, getOS
__all__ = ["KdumpSpoke"]
class KdumpSpoke(NormalSpoke):
"""Kdump configuration spoke"""
builderObjects = ["KdumpWindow", "advancedConfigBuffer"]
mainWidgetName = "KdumpWindow"
uiFile = "RHEL.glade"
translationDomain = "kdump-anaconda-addon"
icon = "computer-fail-symbolic"
title = N_("KDUMP")
category = SystemCategory
OS = "redhat"
def __init__(self, data, storage, payload, instclass):
KdumpSpoke.OS = getOS()
if KdumpSpoke.OS == "fedora":
KdumpSpoke.uiFile = "fedora.glade"
NormalSpoke.__init__(self, data, storage, payload, instclass)
self._reserveMem = 0
def initialize(self):
NormalSpoke.initialize(self)
self._enableButton = self.builder.get_object("enableKdumpCheck")
KdumpSpoke.OS = getOS()
if KdumpSpoke.OS == "redhat":
self._reservationTypeLabel = self.builder.get_object("reservationTypeLabel")
self._autoButton = self.builder.get_object("autoButton")
self._manualButton = self.builder.get_object("manualButton")
self._toBeReservedLabel = self.builder.get_object("toBeReservedLabel")
self._toBeReservedSpin = self.builder.get_object("toBeReservedSpin")
self._totalMemLabel = self.builder.get_object("totalMemLabel")
self._totalMemMB = self.builder.get_object("totalMemMB")
self._usableMemLabel = self.builder.get_object("usableMemLabel")
self._usableMemMB = self.builder.get_object("usableMemMB")
# Set an initial value and adjustment on the spin button
lower, upper, step = getMemoryBounds()
adjustment = Gtk.Adjustment(lower, lower, upper, step, step, 0)
self._toBeReservedSpin.set_adjustment(adjustment)
self._toBeReservedSpin.set_value(lower)
def refresh(self):
# If a reserve amount is requested, set it in the spin button
if self.data.addons.com_redhat_kdump.reserveMB != "auto":
# Strip the trailing 'M'
reserveMB = self.data.addons.com_redhat_kdump.reserveMB
if reserveMB and reserveMB[-1] == 'M':
reserveMB = reserveMB[:-1]
if reserveMB:
self._toBeReservedSpin.set_value(int(reserveMB))
# Set the various labels. Use the spin button signal handler to set the
# usable memory label once the other two have been set.
self._totalMemMB.set_text("%d" % getTotalMemory())
self._toBeReservedSpin.emit("value-changed")
# Set the states on the toggle buttons and let the signal handlers set
# the sensitivities on the related widgets. Set the radio button first,
# since the radio buttons' bailiwick is a subset of that of the
# enable/disable checkbox.
if KdumpSpoke.OS == "redhat":
if self.data.addons.com_redhat_kdump.reserveMB == "auto":
self._autoButton.set_active(True)
self._manualButton.set_active(False)
else:
self._autoButton.set_active(False)
self._manualButton.set_active(True)
if self.data.addons.com_redhat_kdump.enabled:
self._enableButton.set_active(True)
else:
self._enableButton.set_active(False)
# Force a toggled signal on the button in case it's state has not changed
self._enableButton.emit("toggled")
def apply(self):
# Copy the GUI state into the AddonData object
self.data.addons.com_redhat_kdump.enabled = self._enableButton.get_active()
if KdumpSpoke.OS == "redhat" and self._autoButton.get_active():
reserveMem = "auto"
else:
reserveMem = "%dM" % self._toBeReservedSpin.get_value_as_int()
self.data.addons.com_redhat_kdump.reserveMB = reserveMem
@property
def ready(self):
return True
@property
def completed(self):
# Always treat as completed
return True
@property
def mandatory(self):
return False
@property
def status(self):
if self.data.addons.com_redhat_kdump.enabled:
state = _("Kdump is enabled")
else:
state = _("Kdump is disabled")
return state
# SIGNAL HANDLERS
def on_enable_kdump_toggled(self, checkbutton, user_data=None):
status = checkbutton.get_active()
# If disabling, set everything to insensitve. Otherwise, only set the radio
# button and currently reserved widgets to sensitive and then fake a
# toggle event on the radio button to set the state on the reserve
# amount spin button and total/usable mem display.
if KdumpSpoke.OS == "redhat":
self._autoButton.set_sensitive(status)
self._manualButton.set_sensitive(status)
self._reservationTypeLabel.set_sensitive(status)
if not status:
fancy_set_sensitive(self._toBeReservedSpin, status)
self._totalMemLabel.set_sensitive(status)
self._totalMemMB.set_sensitive(status)
self._usableMemLabel.set_sensitive(status)
self._usableMemMB.set_sensitive(status)
elif KdumpSpoke.OS == "redhat":
self._autoButton.emit("toggled")
else:
fancy_set_sensitive(self._toBeReservedSpin, True)
self._totalMemLabel.set_sensitive(True)
self._totalMemMB.set_sensitive(True)
self._usableMemLabel.set_sensitive(True)
self._usableMemMB.set_sensitive(True)
def on_reservation_toggled(self, radiobutton, user_data=None):
status = self._manualButton.get_active()
# If setting to auto, disable the manual config spinner and
# the total/usable memory labels
fancy_set_sensitive(self._toBeReservedSpin, status)
self._totalMemLabel.set_sensitive(status)
self._totalMemMB.set_sensitive(status)
self._usableMemLabel.set_sensitive(status)
self._usableMemMB.set_sensitive(status)
def on_reserved_value_changed(self, spinbutton, user_data=None):
reserveMem = spinbutton.get_value_as_int()
totalMemText = self._totalMemMB.get_text()
# If no total memory is available yet, do nothing
if totalMemText:
totalMem = int(self._totalMemMB.get_text())
self._usableMemMB.set_text("%d" % (totalMem - reserveMem))