#!/usr/bin/python3 # # The Qubes OS Project, http://www.qubes-os.org # # Copyright (C) 2012 Agnieszka Kostrzewa # Copyright (C) 2012 Marek Marczykowski # # 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 Lesser General Public License along # with this program; if not, see . # # import sys import os import os.path import traceback from PyQt4 import QtCore, QtGui # pylint: disable=import-error from qubesadmin import Qubes from qubesadmin.utils import parse_size, updates_vms_status from . import ui_globalsettingsdlg # pylint: disable=no-name-in-module from . import utils from configparser import ConfigParser qmemman_config_path = '/etc/qubes/qmemman.conf' class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings, QtGui.QDialog): def __init__(self, app, qvm_collection, parent=None): super(GlobalSettingsWindow, self).__init__(parent) self.app = app self.qvm_collection = qvm_collection self.setupUi(self) self.connect( self.buttonBox, QtCore.SIGNAL("accepted()"), self.save_and_apply) self.connect(self.buttonBox, QtCore.SIGNAL("rejected()"), self.reject) self.__init_system_defaults__() self.__init_kernel_defaults__() self.__init_mem_defaults__() self.__init_updates__() def __init_system_defaults__(self): all_vms = [vm for vm in self.qvm_collection.domains if (not vm.features.get('internal', False)) and vm.qid != 0] # set up updatevm choice self.update_vm_vmlist, self.update_vm_vmidx = utils.prepare_vm_choice( self.update_vm_combo, self.qvm_collection, 'updatevm', None, allow_none=True ) # set up clockvm choice self.clock_vm_vmlist, self.clock_vm_vmidx = utils.prepare_vm_choice( self.clock_vm_combo, self.qvm_collection, 'clockvm', None, allow_none=True ) # default netvm netvms = [vm for vm in all_vms if getattr(vm, 'provides_network', False)] self.netvm_idx = -1 current_netvm = self.qvm_collection.default_netvm for (i, vm) in enumerate(netvms): text = vm.name if vm is current_netvm: self.netvm_idx = i text += self.tr(" (current)") self.default_netvm_combo.insertItem(i, text) if current_netvm is not None: self.default_netvm_combo.setCurrentIndex(self.netvm_idx) #default template templates = [vm for vm in all_vms if vm.klass == 'TemplateVM'] self.template_idx = -1 current_template = self.qvm_collection.default_template for (i, vm) in enumerate(templates): text = vm.name if vm is current_template: self.template_idx = i text += self.tr(" (current)") self.default_template_combo.insertItem(i, text) if current_template is not None: self.default_template_combo.setCurrentIndex(self.template_idx) def __apply_system_defaults__(self): # upatevm self.qvm_collection.updatevm = \ self.update_vm_vmlist[self.update_vm_combo.currentIndex()] # clockvm self.qvm_collection.clockvm = \ self.clock_vm_vmlist[self.clock_vm_combo.currentIndex()] #default netvm if self.default_netvm_combo.currentIndex() != self.netvm_idx: name = str(self.default_netvm_combo.currentText()) name = name.split(' ')[0] vm = self.qvm_collection.domains[name] self.qvm_collection.default_netvm = vm #default template if self.default_template_combo.currentIndex() != self.template_idx: name = str(self.default_template_combo.currentText()) name = name.split(' ')[0] vm = self.qvm_collection.domains[name] self.qvm_collection.default_template = vm def __init_kernel_defaults__(self): kernel_list = [] # TODO system_path["qubes_kernels_base_dir"] # idea: qubes.pools['linux-kernel'].volumes for k in os.listdir('/var/lib/qubes/vm-kernels'): kernel_list.append(k) self.kernel_idx = 0 for (i, k) in enumerate(kernel_list): text = k if k == self.qvm_collection.default_kernel: text += self.tr(" (current)") self.kernel_idx = i self.default_kernel_combo.insertItem(i, text) self.default_kernel_combo.setCurrentIndex(self.kernel_idx) def __apply_kernel_defaults__(self): if self.default_kernel_combo.currentIndex() != self.kernel_idx: kernel = str(self.default_kernel_combo.currentText()) kernel = kernel.split(' ')[0] self.qvm_collection.default_kernel = kernel def __init_mem_defaults__(self): #qmemman settings self.qmemman_config = ConfigParser() self.vm_min_mem_val = '200MiB' #str(qmemman_algo.MIN_PREFMEM) self.dom0_mem_boost_val = '350MiB' #str(qmemman_algo.DOM0_MEM_BOOST) self.qmemman_config.read(qmemman_config_path) if self.qmemman_config.has_section('global'): self.vm_min_mem_val = \ self.qmemman_config.get('global', 'vm-min-mem') self.dom0_mem_boost_val = \ self.qmemman_config.get('global', 'dom0-mem-boost') self.vm_min_mem_val = parse_size(self.vm_min_mem_val) self.dom0_mem_boost_val = parse_size(self.dom0_mem_boost_val) self.min_vm_mem.setValue(self.vm_min_mem_val/1024/1024) self.dom0_mem_boost.setValue(self.dom0_mem_boost_val/1024/1024) def __apply_mem_defaults__(self): #qmemman settings current_min_vm_mem = self.min_vm_mem.value() current_dom0_mem_boost = self.dom0_mem_boost.value() if current_min_vm_mem*1024*1024 != self.vm_min_mem_val \ or current_dom0_mem_boost*1024*1024 != self.dom0_mem_boost_val: current_min_vm_mem = str(current_min_vm_mem)+'M' current_dom0_mem_boost = str(current_dom0_mem_boost)+'M' if not self.qmemman_config.has_section('global'): #add the whole section self.qmemman_config.add_section('global') self.qmemman_config.set( 'global', 'vm-min-mem', current_min_vm_mem) self.qmemman_config.set( 'global', 'dom0-mem-boost', current_dom0_mem_boost) self.qmemman_config.set( 'global', 'cache-margin-factor', str(1.3)) # removed qmemman_algo.CACHE_FACTOR qmemman_config_file = open(qmemman_config_path, 'a') self.qmemman_config.write(qmemman_config_file) qmemman_config_file.close() else: #If there already is a 'global' section, we don't use # SafeConfigParser.write() - it would get rid of # all the comments... lines_to_add = {} lines_to_add['vm-min-mem'] = \ "vm-min-mem = " + current_min_vm_mem + "\n" lines_to_add['dom0-mem-boost'] = \ "dom0-mem-boost = " + current_dom0_mem_boost +"\n" config_lines = [] qmemman_config_file = open(qmemman_config_path, 'r') for line in qmemman_config_file: if line.strip().startswith('vm-min-mem'): config_lines.append(lines_to_add['vm-min-mem']) del lines_to_add['vm-min-mem'] elif line.strip().startswith('dom0-mem-boost'): config_lines.append(lines_to_add['dom0-mem-boost']) del lines_to_add['dom0-mem-boost'] else: config_lines.append(line) qmemman_config_file.close() for line in lines_to_add: config_lines.append(line) qmemman_config_file = open(qmemman_config_path, 'w') qmemman_config_file.writelines(config_lines) qmemman_config_file.close() def __init_updates__(self): self.updates_val = False # TODO updates_dom0_status(self.qvm_collection) self.updates_dom0_val = True self.updates_dom0.setChecked(self.updates_dom0_val) updates_vms = updates_vms_status(self.qvm_collection) if updates_vms is None: self.updates_vm.setCheckState(QtCore.Qt.PartiallyChecked) else: self.updates_vm.setCheckState(updates_vms) def __apply_updates__(self): if self.updates_dom0.isChecked() != self.updates_dom0_val: # TODO updates_dom0_toggle( # self.qvm_collection, self.updates_dom0.isChecked()) raise NotImplementedError('Toggle dom0 updates not implemented') if self.updates_vm.checkState() != QtCore.Qt.PartiallyChecked: for vm in self.qvm_collection.domains: vm.features['check-updates'] = \ bool(self.updates_vm.checkState()) def reject(self): self.done(0) def save_and_apply(self): self.__apply_system_defaults__() self.__apply_kernel_defaults__() self.__apply_mem_defaults__() self.__apply_updates__() # Bases on the original code by: # Copyright (c) 2002-2007 Pascal Varet def handle_exception(exc_type, exc_value, exc_traceback): filename, line, dummy, dummy = traceback.extract_tb(exc_traceback).pop() filename = os.path.basename(filename) error = "%s: %s" % (exc_type.__name__, exc_value) QtGui.QMessageBox.critical( None, "Houston, we have a problem...", "Whoops. A critical error has occured. This is most likely a bug " "in Qubes Global Settings application.

%s" % error + "at line %d of file %s.

" % (line, filename)) def main(): qtapp = QtGui.QApplication(sys.argv) qtapp.setOrganizationName("The Qubes Project") qtapp.setOrganizationDomain("http://qubes-os.org") qtapp.setApplicationName("Qubes Global Settings") sys.excepthook = handle_exception app = Qubes() global_window = GlobalSettingsWindow(qtapp, app) global_window.show() qtapp.exec_() qtapp.exit() if __name__ == "__main__": main()