#!/usr/bin/python2.6 # # The Qubes OS Project, http://www.qubes-os.org # # Copyright (C) 2010 Joanna Rutkowska # # 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, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # # import sys import os from PyQt4.QtCore import * from PyQt4.QtGui import * from qubes.qubes import QubesVmCollection from qubes.qubes import QubesException from qubes.qubes import qubes_store_filename from qubes.qubes import QubesVmLabels from qubes.qubes import dry_run from qubes.qubes import qubes_guid_path from qubes.qubes import QubesDaemonPidfile from qubes.qubes import QubesHost from qubes import qubesutils import qubesmanager.resources_rc import ui_newappvmdlg from ui_mainwindow import * from settings import VMSettingsWindow from restore import RestoreVMsWindow from backup import BackupVMsWindow from global_settings import GlobalSettingsWindow from thread_monitor import * from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent import subprocess import time from datetime import datetime,timedelta updates_stat_file = 'last_update.stat' qubes_guid_path = '/usr/bin/qubes_guid' update_suggestion_interval = 14 # 14 days power_order = Qt.DescendingOrder update_order = Qt.AscendingOrder class QubesConfigFileWatcher(ProcessEvent): def __init__ (self, update_func): self.update_func = update_func def process_IN_MODIFY (self, event): self.update_func() class VmIconWidget (QWidget): def __init__(self, icon_path, enabled=True, size_multiplier=0.7, parent=None): super(VmIconWidget, self).__init__(parent) label_icon = QLabel() icon = QIcon (icon_path) icon_sz = QSize (VmManagerWindow.row_height * size_multiplier, VmManagerWindow.row_height * size_multiplier) icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled if not enabled else QIcon.Normal) label_icon.setPixmap (icon_pixmap) label_icon.setFixedSize (icon_sz) layout = QHBoxLayout() layout.addWidget(label_icon) layout.setContentsMargins(0,0,0,0) self.setLayout(layout) class VmLabelWidget(VmIconWidget): class VmLabelItem(QTableWidgetItem): def __init__(self, value): super(VmLabelWidget.VmLabelItem, self).__init__() self.value = value def set_value(self, value): self.value = value def __lt__(self, other): return self.value < other.value def __init__(self, vm, parent=None): icon_path = self.get_vm_icon_path(vm) super (VmLabelWidget, self).__init__(icon_path, True, 0.8, parent) self.vm = vm self.tableItem = self.VmLabelItem(self.value) def get_vm_icon_path(self, vm): if vm.qid == 0: self.value = 0 return ":/dom0.png" elif vm.is_netvm(): self.value = 1 return ":/netvm.png" elif vm.is_template(): self.value = 2 return ":/templatevm.png" elif vm.is_appvm() or vm.is_disposablevm(): self.value = 2 + vm.label.index return vm.label.icon_path class VmNameItem (QTableWidgetItem): def __init__(self, vm): super(VmNameItem, self).__init__() self.setText(vm.name) self.setTextAlignment(Qt.AlignVCenter) self.qid = vm.qid class VmStatusIcon(QLabel): def __init__(self, vm, parent=None): super (VmStatusIcon, self).__init__(parent) self.vm = vm self.set_on_icon() self.previous_power_state = vm.last_power_state def update(self): if self.previous_power_state != self.vm.last_power_state: self.set_on_icon() self.previous_power_state = self.vm.last_power_state def set_on_icon(self): if self.vm.last_power_state == "Running": icon = QIcon (":/on.png") elif self.vm.last_power_state in ["Starting", "Halting", "Dying"]: icon = QIcon (":/transient.png") else: icon = QIcon (":/off.png") icon_sz = QSize (VmManagerWindow.row_height * 0.5, VmManagerWindow.row_height *0.5) icon_pixmap = icon.pixmap(icon_sz) self.setPixmap (icon_pixmap) self.setFixedSize (icon_sz) class VmInfoWidget (QWidget): class VmInfoItem (QTableWidgetItem): def __init__(self, upd_info_item, vm): super(VmInfoWidget.VmInfoItem, self).__init__() self.upd_info_item = upd_info_item self.vm = vm def __lt__(self, other): self_val = self.upd_info_item.value other_val = other.upd_info_item.value if self.tableWidget().horizontalHeader().sortIndicatorOrder() == update_order: # the result will be sorted by upd, sorting order: Ascending self_val += 1 if self.vm.is_running() else 0 other_val += 1 if other.vm.is_running() else 0 return (self_val) > (other_val) elif self.tableWidget().horizontalHeader().sortIndicatorOrder() == power_order: #the result will be sorted by power state, sorting order: Descending self_val = -(self_val/10 + 10*(1 if self.vm.is_running() else 0)) other_val = -(other_val/10 + 10*(1 if other.vm.is_running() else 0)) return (self_val) > (other_val) else: #it would be strange if this happened return def __init__(self, vm, parent = None): super (VmInfoWidget, self).__init__(parent) self.vm = vm layout = QHBoxLayout () self.on_icon = VmStatusIcon(vm) self.upd_info = VmUpdateInfoWidget(vm, show_text=False) self.blk_icon = VmIconWidget(":/mount.png") layout.addWidget(self.on_icon) layout.addWidget(self.upd_info) layout.addItem(QSpacerItem(0, 10, QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)) layout.addWidget(self.blk_icon) layout.setContentsMargins(5,0,5,0) self.setLayout(layout) self.blk_icon.setVisible(False) self.tableItem = self.VmInfoItem(self.upd_info.tableItem, vm) def update_vm_state(self, vm, blk_visible): self.on_icon.update() self.upd_info.update_outdated(vm) if blk_visible != None: self.blk_icon.setVisible(blk_visible) class VmTemplateItem (QTableWidgetItem): def __init__(self, vm): super(VmTemplateItem, self).__init__() if vm.template is not None: self.setText(vm.template.name) else: font = QFont() font.setStyle(QFont.StyleItalic) self.setFont(font) self.setTextColor(QColor("gray")) if vm.is_appvm(): # and vm.template is None self.setText("StandaloneVM") elif vm.is_template(): self.setText("TemplateVM") elif vm.qid == 0: self.setText("AdminVM") elif vm.is_netvm(): self.setText("NetVM") else: self.setText("---") self.setTextAlignment(Qt.AlignCenter) class VmNetvmItem (QTableWidgetItem): def __init__(self, vm): super(VmNetvmItem, self).__init__() if vm.is_netvm() and not vm.is_proxyvm(): self.setText("n/a") elif vm.netvm is not None: self.setText(vm.netvm.name) else: self.setText("---") self.setTextAlignment(Qt.AlignCenter) class VmUsageBarWidget (QWidget): class VmUsageBarItem (QTableWidgetItem): def __init__(self, value): super(VmUsageBarWidget.VmUsageBarItem, self).__init__() self.value = value def set_value(self, value): self.value = value def __lt__(self, other): return int(self.value) < int(other.value) def __init__(self, min, max, format, update_func, vm, load, hue=210, parent = None): super (VmUsageBarWidget, self).__init__(parent) self.min = min self.max = max self.update_func = update_func self.value = min self.widget = QProgressBar() self.widget.setMinimum(min) self.widget.setMaximum(max) self.widget.setFormat(format); self.widget.setStyleSheet( "QProgressBar:horizontal{" +\ "border: 1px solid hsv({0}, 100, 250);".format(hue) +\ "border-radius: 4px;\ background: white;\ text-align: center;\ }\ QProgressBar::chunk:horizontal {\ background: qlineargradient(x1: 0, y1: 0.5, x2: 1, y2: 0.5, " +\ "stop: 0 hsv({0}, 170, 207),".format(hue) + " stop: 1 white); \ }" ) layout = QHBoxLayout() layout.addWidget(self.widget) self.setLayout(layout) self.tableItem = self.VmUsageBarItem(min) self.update_load(vm, load) def update_load(self, vm, load): self.value = self.update_func(vm, load) self.widget.setValue(self.value) self.tableItem.set_value(self.value) class ChartWidget (QWidget): class ChartItem (QTableWidgetItem): def __init__(self, value): super(ChartWidget.ChartItem, self).__init__() self.value = value def set_value(self, value): self.value = value def __lt__(self, other): return self.value < other.value def __init__(self, vm, update_func, hue, load = 0, parent = None): super (ChartWidget, self).__init__(parent) self.update_func = update_func self.hue = hue if hue < 0 or hue > 255: self.hue = 255 self.load = load assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load) self.load_history = [self.load] self.tableItem = ChartWidget.ChartItem(self.load) def update_load (self, vm, load): self.load = self.update_func(vm, load) assert self.load >= 0, "load = {0}".format(self.load) # assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load) if self.load > 100: # FIXME: This is an ugly workaround for cpu_load:/ self.load = 100 self.load_history.append (self.load) self.tableItem.set_value(self.load) self.repaint() def paintEvent (self, Event = None): p = QPainter (self) dx = 4 W = self.width() H = self.height() - 5 N = len(self.load_history) if N > W/dx: tail = N - W/dx N = W/dx self.load_history = self.load_history[tail:] assert len(self.load_history) == N for i in range (0, N-1): val = self.load_history[N- i - 1] sat = 70 + val*(255-70)/100 color = QColor.fromHsv (self.hue, sat, 255) pen = QPen (color) pen.setWidth(dx-1) p.setPen(pen) if val > 0: p.drawLine (W - i*dx - dx, H , W - i*dx - dx, H - (H - 5) * val/100) class VmUpdateInfoWidget(QWidget): class VmUpdateInfoItem (QTableWidgetItem): def __init__(self, value): super(VmUpdateInfoWidget.VmUpdateInfoItem, self).__init__() self.value = 0 self.set_value(value) def set_value(self, value): if value == "outdated": self.value = 30 elif value == "update": self.value = 20 elif value == "ok": self.value = 10 else: self.value = 0 def __lt__(self, other): return self.value < other.value def __init__(self, vm, show_text=True, parent = None): super (VmUpdateInfoWidget, self).__init__(parent) layout = QHBoxLayout () self.show_text = show_text if self.show_text: self.label=QLabel("") layout.addWidget(self.label, alignment=Qt.AlignCenter) else: self.icon = QLabel("") layout.addWidget(self.icon, alignment=Qt.AlignCenter) self.setLayout(layout) self.previous_outdated = False self.previous_update_recommended = None self.value = None self.tableItem = VmUpdateInfoWidget.VmUpdateInfoItem(self.value) def update_outdated(self, vm): outdated = vm.is_outdated() if outdated and not self.previous_outdated: self.update_status_widget("outdated") self.previous_outdated = outdated if vm.is_updateable(): update_recommended = self.previous_update_recommended stat_file = vm.dir_path + '/' + updates_stat_file if not os.path.exists(stat_file) or \ time.time() - os.path.getmtime(stat_file) > \ update_suggestion_interval * 24 * 3600: update_recommended = True else: update_recommended = False if not self.show_text and self.previous_update_recommended != False: self.update_status_widget("ok") if update_recommended and not self.previous_update_recommended: self.update_status_widget("update") self.previous_update_recommended = update_recommended def update_status_widget(self, state): self.value = state self.tableItem.set_value(state) if state == "ok": label_text = "" icon_path = ":/flag-green.png" tooltip_text = "VM up to date" elif state == "update": label_text = "Check updates" icon_path = ":/flag-yellow.png" tooltip_text = "Update recommended" elif state == "outdated": label_text = "VM outdated" icon_path = ":/flag-red.png" tooltip_text = "VM outdated" if self.show_text: self.label.setText(label_text) else: self.layout().removeWidget(self.icon) self.icon.deleteLater() self.icon = VmIconWidget(icon_path, True, 0.7) self.icon.setToolTip(tooltip_text) self.layout().addWidget(self.icon, alignment=Qt.AlignCenter) class VmRowInTable(object): cpu_graph_hue = 210 mem_graph_hue = 120 def __init__(self, vm, row_no, table, block_manager): self.vm = vm self.row_no = row_no table.setRowHeight (row_no, VmManagerWindow.row_height) self.label_widget = VmLabelWidget(vm) table.setCellWidget(row_no, VmManagerWindow.columns_indices['Label'], self.label_widget) table.setItem(row_no, VmManagerWindow.columns_indices['Label'], self.label_widget.tableItem) self.name_widget = VmNameItem(vm) table.setItem(row_no, VmManagerWindow.columns_indices['Name'], self.name_widget) self.info_widget = VmInfoWidget(vm) table.setCellWidget(row_no, VmManagerWindow.columns_indices['State'], self.info_widget) table.setItem(row_no, VmManagerWindow.columns_indices['State'], self.info_widget.tableItem) self.template_widget = VmTemplateItem(vm) table.setItem(row_no, VmManagerWindow.columns_indices['Template'], self.template_widget) self.netvm_widget = VmNetvmItem(vm) table.setItem(row_no, VmManagerWindow.columns_indices['NetVM'], self.netvm_widget) self.cpu_usage_widget = VmUsageBarWidget(0, 100, "%v %", lambda vm, val: val if vm.last_running else 0, vm, 0, self.cpu_graph_hue) table.setCellWidget(row_no, VmManagerWindow.columns_indices['CPU'], self.cpu_usage_widget) table.setItem(row_no, VmManagerWindow.columns_indices['CPU'], self.cpu_usage_widget.tableItem) self.load_widget = ChartWidget(vm, lambda vm, val: val if vm.last_running else 0, self.cpu_graph_hue, 0 ) table.setCellWidget(row_no, VmManagerWindow.columns_indices['CPU Graph'], self.load_widget) table.setItem(row_no, VmManagerWindow.columns_indices['CPU Graph'], self.load_widget.tableItem) self.mem_usage_widget = VmUsageBarWidget(0, qubes_host.memory_total/1024, "%v MB", lambda vm, val: vm.get_mem()/1024 if vm.last_running else 0, vm, 0, self.mem_graph_hue) table.setCellWidget(row_no, VmManagerWindow.columns_indices['MEM'], self.mem_usage_widget) table.setItem(row_no, VmManagerWindow.columns_indices['MEM'], self.mem_usage_widget.tableItem) self.mem_widget = ChartWidget(vm, lambda vm, val: vm.get_mem()*100/qubes_host.memory_total if vm.last_running else 0, self.mem_graph_hue, 0) table.setCellWidget(row_no, VmManagerWindow.columns_indices['MEM Graph'], self.mem_widget) table.setItem(row_no, VmManagerWindow.columns_indices['MEM Graph'], self.mem_widget.tableItem) def update(self, counter, blk_visible = None, cpu_load = None): self.info_widget.update_vm_state(self.vm, blk_visible) if cpu_load is not None: self.cpu_usage_widget.update_load(self.vm, cpu_load) self.mem_usage_widget.update_load(self.vm, None) self.load_widget.update_load(self.vm, cpu_load) self.mem_widget.update_load(self.vm, None) class NewAppVmDlg (QDialog, ui_newappvmdlg.Ui_NewAppVMDlg): def __init__(self, parent = None): super (NewAppVmDlg, self).__init__(parent) self.setupUi(self) vm_shutdown_timeout = 15000 # in msec class VmShutdownMonitor(QObject): def __init__(self, vm): self.vm = vm def check_if_vm_has_shutdown(self): vm = self.vm vm_start_time = vm.get_start_time() if not vm.is_running() or (vm_start_time and vm_start_time >= datetime.utcnow() - timedelta(0,vm_shutdown_timeout/1000)): if vm.is_template(): trayIcon.showMessage ("Qubes Manager", "You have just modified template '{0}'. You should now restart all the VMs based on it, so they could see the changes.".format(vm.name), msecs=8000) return reply = QMessageBox.question(None, "VM Shutdown", "The VM '{0}' hasn't shutdown within the last {1} seconds, do you want to kill it?
".format(vm.name, vm_shutdown_timeout/1000), "Kill it!", "Wait another {0} seconds...".format(vm_shutdown_timeout/1000)) if reply == 0: vm.force_shutdown() else: QTimer.singleShot (vm_shutdown_timeout, self.check_if_vm_has_shutdown) class VmManagerWindow(Ui_VmManagerWindow, QMainWindow): row_height = 30 column_width = 200 min_visible_rows = 10 update_interval = 1000 # in msec show_inactive_vms = True columns_indices = { "Label": 0, "Name": 1, "State": 2, "Template": 3, "NetVM": 4, "CPU": 5, "CPU Graph": 6, "MEM": 7, "MEM Graph": 8,} def __init__(self, parent=None): super(VmManagerWindow, self).__init__() self.setupUi(self) self.toolbar = self.toolBar self.qubes_watch = qubesutils.QubesWatch() self.qvm_collection = QubesVmCollection() self.blk_manager = QubesBlockDevicesManager(self.qvm_collection) self.qubes_watch.setup_block_watch(self.blk_manager.block_devs_event) self.blk_watch_thread = threading.Thread(target=self.qubes_watch.watch_loop) self.blk_watch_thread.daemon = True self.blk_watch_thread.start() self.connect(self.table, SIGNAL("itemSelectionChanged()"), self.table_selection_changed) self.table.setColumnWidth(0, self.column_width) self.setSizeIncrement(QtCore.QSize(200, 30)) self.centralwidget.setSizeIncrement(QtCore.QSize(200, 30)) self.table.setSizeIncrement(QtCore.QSize(200, 30)) self.sort_by_mem = None self.sort_by_cpu = None self.sort_by_state = None self.screen_number = -1 self.screen_changed = False self.frame_width = 0 self.frame_height = 0 self.fill_table() self.move(self.x(), 0) self.table.setColumnHidden( self.columns_indices["NetVM"], True) self.actionNetVM.setChecked(False) self.table.setColumnHidden( self.columns_indices["CPU Graph"], True) self.actionCPU_Graph.setChecked(False) self.table.setColumnHidden( self.columns_indices["MEM Graph"], True) self.actionMEM_Graph.setChecked(False) self.table.setColumnWidth(self.columns_indices["State"], 80) self.table.setColumnWidth(self.columns_indices["Name"], 150) self.table.setColumnWidth(self.columns_indices["Label"], 50) self.table.horizontalHeader().setResizeMode(QHeaderView.Fixed) self.table.sortItems(self.columns_indices["Label"], Qt.AscendingOrder) self.context_menu = QMenu(self) self.context_menu.addAction(self.action_settings) self.context_menu.addAction(self.action_removevm) self.context_menu.addAction(self.action_resumevm) self.context_menu.addAction(self.action_pausevm) self.context_menu.addAction(self.action_shutdownvm) self.context_menu.addAction(self.action_killvm) self.context_menu.addAction(self.action_appmenus) self.context_menu.addAction(self.action_editfwrules) self.context_menu.addAction(self.action_updatevm) self.table_selection_changed() self.blk_menu = QMenu("Block devices") self.context_menu.addMenu(self.blk_menu) self.context_menu.addSeparator() self.connect(self.table.horizontalHeader(), SIGNAL("sortIndicatorChanged(int, Qt::SortOrder)"), self.sortIndicatorChanged) self.connect(self.table, SIGNAL("customContextMenuRequested(const QPoint&)"), self.open_context_menu) self.connect(self.blk_menu, SIGNAL("triggered(QAction *)"), self.attach_dettach_device_triggered) self.table.setContentsMargins(0,0,0,0) self.centralwidget.layout().setContentsMargins(0,0,0,0) self.layout().setContentsMargins(0,0,0,0) self.action_toolbar = QAction("Show tool bar", None) self.action_toolbar.setCheckable(True) self.action_toolbar.setChecked(True) self.action_menubar = QAction("Show menu bar", None) self.action_menubar.setCheckable(True) self.action_menubar.setChecked(True) self.connect(self.action_menubar, SIGNAL("toggled(bool)"), self.showhide_menubar) self.connect(self.action_toolbar, SIGNAL("toggled(bool)"), self.showhide_toolbar) self.counter = 0 self.shutdown_monitor = {} self.last_measure_results = {} self.last_measure_time = time.time() QTimer.singleShot (self.update_interval, self.update_table) def show(self): super(VmManagerWindow, self).show() self.screen_number = app.desktop().screenNumber(self) def set_table_geom_size(self): desktop_width = app.desktop().availableGeometry(self).width() - self.frame_width # might be wrong... desktop_height = app.desktop().availableGeometry(self).height() - self.frame_height # might be wrong... desktop_height -= self.row_height #UGLY! to somehow ommit taskbar... W = self.table.horizontalHeader().length() +\ self.table.verticalScrollBar().width() +\ 2*self.table.frameWidth() +1 H = self.table.horizontalHeader().height() +\ 2*self.table.frameWidth() mainwindow_to_add = 0 available_space = desktop_height if self.menubar.isVisible(): menubar_height = self.menubar.height() + self.menubar.contentsMargins().top() + self.menubar.contentsMargins().bottom() available_space -= menubar_height mainwindow_to_add += menubar_height if self.toolbar.isVisible(): toolbar_height = self.toolbar.height() + self.toolbar.contentsMargins().top() + self.toolbar.contentsMargins().bottom() available_space -= toolbar_height mainwindow_to_add += toolbar_height if W >= desktop_width: available_space -= self.table.horizontalScrollBar().height() H += self.table.horizontalScrollBar().height() default_rows = int(available_space/self.row_height) n = self.table.rowCount(); if n > default_rows: H += default_rows*self.row_height self.table.verticalScrollBar().show() else: H += n*self.row_height self.table.verticalScrollBar().hide() W -= self.table.verticalScrollBar().width() W = min(desktop_width, W) self.centralwidget.setFixedHeight(H) H += mainwindow_to_add self.setMaximumHeight(H) self.setMinimumHeight(H) self.table.setFixedWidth(W) self.centralwidget.setFixedWidth(W) # don't change the following two lines to setFixedWidth! self.setMaximumWidth(W) self.setMinimumWidth(W) def moveEvent(self, event): super(VmManagerWindow, self).moveEvent(event) screen_number = app.desktop().screenNumber(self) if self.screen_number != screen_number: self.screen_changed = True self.screen_number = screen_number def get_vms_list(self): self.qvm_collection.lock_db_for_reading() self.qvm_collection.load() self.qvm_collection.unlock_db() vms_list = [vm for vm in self.qvm_collection.values()] for vm in vms_list: vm.last_power_state = vm.get_power_state() vm.last_running = vm.last_power_state in ["Running", "Starting"] no_vms = len (vms_list) vms_to_display = [] # First, the NetVMs... for netvm in vms_list: if netvm.is_netvm(): vms_to_display.append (netvm) # Now, the templates... for tvm in vms_list: if tvm.is_template(): vms_to_display.append (tvm) label_list = QubesVmLabels.values() label_list.sort(key=lambda l: l.index) for label in [label.name for label in label_list]: for appvm in [vm for vm in vms_list if ((vm.is_appvm() or vm.is_disposablevm()) and vm.label.name == label)]: vms_to_display.append(appvm) assert len(vms_to_display) == no_vms return vms_to_display def fill_table(self): self.table.setSortingEnabled(False) self.table.clearContents() vms_list = self.get_vms_list() self.table.setRowCount(len(vms_list)) vms_in_table = {} row_no = 0 for vm in vms_list: if (not self.show_inactive_vms) and (not vm.last_running): continue if vm.internal: continue vm_row = VmRowInTable (vm, row_no, self.table, self.blk_manager) vms_in_table[vm.qid] = vm_row row_no += 1 self.table.setRowCount(row_no) self.vms_list = vms_list self.vms_in_table = vms_in_table self.reload_table = False self.table.setSortingEnabled(True) def mark_table_for_update(self): self.reload_table = True # When calling update_table() directly, always use out_of_schedule=True! def update_table(self, out_of_schedule=False): update_devs = self.update_block_devices() or out_of_schedule if manager_window.isVisible(): some_vms_have_changed_power_state = False for vm in self.vms_list: state = vm.get_power_state() if vm.last_power_state != state: vm.last_power_state = state vm.last_running = (state in ["Running", "Starting"]) some_vms_have_changed_power_state = True reload_table = self.reload_table if self.screen_changed == True: reload_table = True self.screen_changed = False if reload_table or ((not self.show_inactive_vms) and some_vms_have_changed_power_state): self.fill_table() self.set_table_geom_size() update_devs=True if self.sort_by_state != None and some_vms_have_changed_power_state: self.table.sortItems(self.columns_indices["State"], self.sort_by_state) blk_visible = None rows_with_blk = None if update_devs == True: rows_with_blk = [] self.blk_manager.blk_lock.acquire() for d in self.blk_manager.attached_devs: rows_with_blk.append( self.blk_manager.attached_devs[d]['attached_to']['vm']) self.blk_manager.blk_lock.release() if self.counter % 3 == 0 or out_of_schedule: (self.last_measure_time, self.last_measure_results) = \ qubes_host.measure_cpu_usage(self.last_measure_results, self.last_measure_time) for vm_row in self.vms_in_table.values(): cur_cpu_load = None if vm_row.vm.get_xid() in self.last_measure_results: cur_cpu_load = self.last_measure_results[vm_row.vm.xid]['cpu_usage'] else: cur_cpu_load = 0 if rows_with_blk != None: if vm_row.vm.name in rows_with_blk: blk_visible = True else: blk_visible = False vm_row.update(self.counter, blk_visible=blk_visible, cpu_load = cur_cpu_load) else: for vm_row in self.vms_in_table.values(): if rows_with_blk != None: if vm_row.vm.name in rows_with_blk: blk_visible = True else: blk_visible = False vm_row.update(self.counter, blk_visible=blk_visible) if self.sort_by_cpu != None: self.table.sortItems(self.columns_indices["CPU"], self.sort_by_cpu) elif self.sort_by_mem != None: self.table.sortItems(self.columns_indices["MEM"], self.sort_by_mem) elif self.sort_by_state != None and reload_table: #needed to sort after reload (fill_table sorts items with setSortingEnabled, but by that time the widgets values are not correct yet). self.table.sortItems(self.columns_indices["State"], self.sort_by_state) self.table_selection_changed() if not out_of_schedule: self.counter += 1 QTimer.singleShot (self.update_interval, self.update_table) def update_block_devices(self): res, msg = self.blk_manager.check_for_updates() if msg != None and len(msg) > 0: str = "\n".join(msg) trayIcon.showMessage ("Qubes Manager", str, msecs=5000) return res def sortIndicatorChanged(self, column, order): if column == self.columns_indices["CPU"] or column == self.columns_indices["CPU Graph"]: self.sort_by_mem = None self.sort_by_state = None self.sort_by_cpu = order return elif column == self.columns_indices["MEM"] or column == self.columns_indices["MEM Graph"]: self.sort_by_cpu = None self.sort_by_state = None self.sort_by_mem = order return elif column == self.columns_indices["State"]: self.sort_by_cpu = None self.sort_by_mem = None self.sort_by_state = order return else: self.sort_by_cpu = None self.sort_by_mem = None self.sort_by_state = None def table_selection_changed (self): vm = self.get_selected_vm() if vm != None: # Update available actions: self.action_settings.setEnabled(True) self.action_removevm.setEnabled(not vm.installed_by_rpm and not (vm.last_running)) self.action_resumevm.setEnabled(not vm.last_running) self.action_pausevm.setEnabled(vm.last_running and vm.qid != 0) self.action_shutdownvm.setEnabled(vm.last_running and vm.qid != 0) self.action_killvm.setEnabled(vm.last_running and vm.qid != 0) self.action_appmenus.setEnabled(not vm.is_netvm()) self.action_editfwrules.setEnabled(vm.is_networked() and not (vm.is_netvm() and not vm.is_proxyvm())) self.action_updatevm.setEnabled(vm.is_updateable() or vm.qid == 0) else: self.action_settings.setEnabled(False) self.action_removevm.setEnabled(False) self.action_resumevm.setEnabled(False) self.action_pausevm.setEnabled(False) self.action_shutdownvm.setEnabled(False) self.action_killvm.setEnabled(False) self.action_appmenus.setEnabled(False) self.action_editfwrules.setEnabled(False) self.action_updatevm.setEnabled(False) def closeEvent (self, event): if event.spontaneous(): # There is something borked in Qt, as the logic here is inverted on X11 self.hide() event.ignore() @pyqtSlot(name='on_action_createvm_triggered') def action_createvm_triggered(self): dialog = NewAppVmDlg() # Theoretically we should be locking for writing here and unlock # only after the VM creation finished. But the code would be more messy... # Instead we lock for writing in the actual worker thread self.qvm_collection.lock_db_for_reading() self.qvm_collection.load() self.qvm_collection.unlock_db() label_list = QubesVmLabels.values() label_list.sort(key=lambda l: l.index) for (i, label) in enumerate(label_list): dialog.vmlabel.insertItem(i, label.name) dialog.vmlabel.setItemIcon (i, QIcon(label.icon_path)) template_vm_list = [vm for vm in self.qvm_collection.values() if not vm.internal and vm.is_template()] default_index = 0 for (i, vm) in enumerate(template_vm_list): if vm is self.qvm_collection.get_default_template(): default_index = i dialog.template_name.insertItem(i, vm.name + " (default)") else: dialog.template_name.insertItem(i, vm.name) dialog.template_name.setCurrentIndex(default_index) dialog.vmname.selectAll() dialog.vmname.setFocus() if dialog.exec_(): vmname = str(dialog.vmname.text()) if self.qvm_collection.get_vm_by_name(vmname) is not None: QMessageBox.warning (None, "Incorrect AppVM Name!", "A VM with the name {0} already exists in the system!".format(vmname)) return label = label_list[dialog.vmlabel.currentIndex()] template_vm = template_vm_list[dialog.template_name.currentIndex()] allow_networking = dialog.allow_networking.isChecked() thread_monitor = ThreadMonitor() thread = threading.Thread (target=self.do_create_appvm, args=(vmname, label, template_vm, allow_networking, thread_monitor)) thread.daemon = True thread.start() progress = QProgressDialog ("Creating new AppVM {0}...".format(vmname), "", 0, 0) progress.setCancelButton(None) progress.setModal(True) progress.show() while not thread_monitor.is_finished(): app.processEvents() time.sleep (0.1) progress.hide() if thread_monitor.success: trayIcon.showMessage ("Qubes Manager", "VM '{0}' has been created.".format(vmname), msecs=3000) else: QMessageBox.warning (None, "Error creating AppVM!", "ERROR: {0}".format(thread_monitor.error_msg)) def do_create_appvm (self, vmname, label, template_vm, allow_networking, thread_monitor): vm = None try: self.qvm_collection.lock_db_for_writing() self.qvm_collection.load() vm = self.qvm_collection.add_new_appvm(vmname, template_vm, label = label) vm.create_on_disk(verbose=False) firewall = vm.get_firewall_conf() firewall["allow"] = allow_networking firewall["allowDns"] = allow_networking vm.write_firewall_conf(firewall) self.qvm_collection.save() except Exception as ex: thread_monitor.set_error_msg (str(ex)) if vm: vm.remove_from_disk() finally: self.qvm_collection.unlock_db() thread_monitor.set_finished() def get_selected_vm(self): #vm selection relies on the VmInfo widget's value used for sorting by VM name row_index = self.table.currentRow() if row_index != -1: qid = self.table.item(row_index, self.columns_indices["Name"]).qid assert self.vms_in_table[qid] is not None vm = self.vms_in_table[qid].vm return vm else: return None @pyqtSlot(name='on_action_removevm_triggered') def action_removevm_triggered(self): vm = self.get_selected_vm() assert not vm.is_running() assert not vm.installed_by_rpm self.qvm_collection.lock_db_for_reading() self.qvm_collection.load() self.qvm_collection.unlock_db() if vm.is_template(): dependent_vms = self.qvm_collection.get_vms_based_on(vm.qid) if len(dependent_vms) > 0: QMessageBox.warning (None, "Warning!", "This Template VM cannot be removed, because there is at least one AppVM that is based on it.
" "If you want to remove this Template VM and all the AppVMs based on it," "you should first remove each individual AppVM that uses this template.") return reply = QMessageBox.question(None, "VM Removal Confirmation", "Are you sure you want to remove the VM '{0}'?
" "All data on this VM's private storage will be lost!".format(vm.name), QMessageBox.Yes | QMessageBox.Cancel) if reply == QMessageBox.Yes: thread_monitor = ThreadMonitor() thread = threading.Thread (target=self.do_remove_vm, args=(vm, thread_monitor)) thread.daemon = True thread.start() progress = QProgressDialog ("Removing VM: {0}...".format(vm.name), "", 0, 0) progress.setCancelButton(None) progress.setModal(True) progress.show() while not thread_monitor.is_finished(): app.processEvents() time.sleep (0.1) progress.hide() if thread_monitor.success: trayIcon.showMessage ("Qubes Manager", "VM '{0}' has been removed.".format(vm.name), msecs=3000) else: QMessageBox.warning (None, "Error removing VM!", "ERROR: {0}".format(thread_monitor.error_msg)) def do_remove_vm (self, vm, thread_monitor): try: self.qvm_collection.lock_db_for_writing() self.qvm_collection.load() #TODO: the following two conditions should really be checked by qvm_collection.pop() overload... if vm.is_template() and self.qvm_collection.default_template_qid == vm.qid: self.qvm_collection.default_template_qid = None if vm.is_netvm() and self.qvm_collection.default_netvm_qid == vm.qid: self.qvm_collection.default_netvm_qid = None vm.remove_from_disk() self.qvm_collection.pop(vm.qid) self.qvm_collection.save() except Exception as ex: thread_monitor.set_error_msg (str(ex)) finally: self.qvm_collection.unlock_db() thread_monitor.set_finished() @pyqtSlot(name='on_action_resumevm_triggered') def action_resumevm_triggered(self): vm = self.get_selected_vm() assert not vm.is_running() if vm.is_paused(): try: subprocess.check_call (["/usr/sbin/xl", "unpause", vm.name]) except Exception as ex: QMessageBox.warning (None, "Error unpausing VM!", "ERROR: {0}".format(ex)) return thread_monitor = ThreadMonitor() thread = threading.Thread (target=self.do_start_vm, args=(vm, thread_monitor)) thread.daemon = True thread.start() trayIcon.showMessage ("Qubes Manager", "Starting '{0}'...".format(vm.name), msecs=3000) while not thread_monitor.is_finished(): app.processEvents() time.sleep (0.1) if thread_monitor.success: trayIcon.showMessage ("Qubes Manager", "VM '{0}' has been started.".format(vm.name), msecs=3000) else: QMessageBox.warning (None, "Error starting VM!", "ERROR: {0}".format(thread_monitor.error_msg)) def do_start_vm(self, vm, thread_monitor): try: vm.verify_files() xid = vm.start() except Exception as ex: thread_monitor.set_error_msg(str(ex)) thread_monitor.set_finished() return retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)]) if (retcode != 0): thread_monitor.set_error_msg("Cannot start qubes_guid!") thread_monitor.set_finished() @pyqtSlot(name='on_action_pausevm_triggered') def action_pausevm_triggered(self): vm = self.get_selected_vm() assert vm.is_running() try: subprocess.check_call (["/usr/sbin/xl", "pause", vm.name]) except Exception as ex: QMessageBox.warning (None, "Error pausing VM!", "ERROR: {0}".format(ex)) return @pyqtSlot(name='on_action_shutdownvm_triggered') def action_shutdownvm_triggered(self): vm = self.get_selected_vm() assert vm.is_running() reply = QMessageBox.question(None, "VM Shutdown Confirmation", "Are you sure you want to power down the VM '{0}'?
" "This will shutdown all the running applications within this VM.".format(vm.name), QMessageBox.Yes | QMessageBox.Cancel) app.processEvents() if reply == QMessageBox.Yes: self.shutdown_vm(vm) def shutdown_vm(self, vm): try: subprocess.check_call (["/usr/sbin/xl", "shutdown", vm.name]) except Exception as ex: QMessageBox.warning (None, "Error shutting down VM!", "ERROR: {0}".format(ex)) return trayIcon.showMessage ("Qubes Manager", "VM '{0}' is shutting down...".format(vm.name), msecs=3000) self.shutdown_monitor[vm.qid] = VmShutdownMonitor (vm) QTimer.singleShot (vm_shutdown_timeout, self.shutdown_monitor[vm.qid].check_if_vm_has_shutdown) @pyqtSlot(name='on_action_killvm_triggered') def action_killvm_triggered(self): vm = self.get_selected_vm() assert vm.is_running() reply = QMessageBox.question(None, "VM Kill Confirmation", "Are you sure you want to kill the VM '{0}'?
" "This will end (not shutdown!) all the running applications within this VM.".format(vm.name), QMessageBox.Yes | QMessageBox.Cancel, QMessageBox.Cancel) app.processEvents() if reply == QMessageBox.Yes: try: vm.force_shutdown() except Exception as ex: QMessageBox.critical (None, "Error while killing VM!", "An exception ocurred while killing {0}.
ERROR: {1}".format(vm.name, ex)) return trayIcon.showMessage ("Qubes Manager", "VM '{0}' killed!".format(vm.name), msecs=3000) @pyqtSlot(name='on_action_settings_triggered') def action_settings_triggered(self): vm = self.get_selected_vm() settings_window = VMSettingsWindow(vm, app, self.qvm_collection, "basic") settings_window.exec_() @pyqtSlot(name='on_action_appmenus_triggered') def action_appmenus_triggered(self): vm = self.get_selected_vm() settings_window = VMSettingsWindow(vm, app, self.qvm_collection, "applications") settings_window.exec_() @pyqtSlot(name='on_action_updatevm_triggered') def action_updatevm_triggered(self): vm = self.get_selected_vm() if not vm.is_running(): reply = QMessageBox.question(None, "VM Update Confirmation", "VM need to be running for update. Do you want to start this VM?
", QMessageBox.Yes | QMessageBox.Cancel) if reply != QMessageBox.Yes: return trayIcon.showMessage ("Qubes Manager", "Starting '{0}'...".format(vm.name), msecs=3000) app.processEvents() thread_monitor = ThreadMonitor() thread = threading.Thread (target=self.do_update_vm, args=(vm, thread_monitor)) thread.daemon = True thread.start() while not thread_monitor.is_finished(): app.processEvents() time.sleep (0.2) if vm.qid != 0: if thread_monitor.success: # gpk-update-viewer was started, don't know if user installs updates, but touch stat file anyway open(vm.dir_path + '/' + updates_stat_file, 'w').close() else: QMessageBox.warning (None, "Error VM update!", "ERROR: {0}".format(thread_monitor.error_msg)) def do_update_vm(self, vm, thread_monitor): try: if vm.qid == 0: subprocess.check_call (["/usr/bin/qvm-dom0-update", "--gui"]) else: vm.run("user:gpk-update-viewer", verbose=False, autostart=True) except Exception as ex: thread_monitor.set_error_msg(str(ex)) thread_monitor.set_finished() return thread_monitor.set_finished() @pyqtSlot(name='on_action_showallvms_triggered') def action_showallvms_triggered(self): self.show_inactive_vms = self.action_showallvms.isChecked() self.mark_table_for_update() self.update_table(out_of_schedule = True) self.set_table_geom_size() @pyqtSlot(name='on_action_editfwrules_triggered') def action_editfwrules_triggered(self): vm = self.get_selected_vm() settings_window = VMSettingsWindow(vm, app, self.qvm_collection, "firewall") settings_window.exec_() @pyqtSlot(name='on_action_global_settings_triggered') def action_global_settings_triggered(self): global_settings_window = GlobalSettingsWindow(app, self.qvm_collection) global_settings_window.exec_() @pyqtSlot(name='on_action_restore_triggered') def action_restore_triggered(self): restore_window = RestoreVMsWindow(app, self.qvm_collection, self.blk_manager) restore_window.exec_() @pyqtSlot(name='on_action_backup_triggered') def action_backup_triggered(self): backup_window = BackupVMsWindow(app, self.qvm_collection, self.blk_manager, self.shutdown_vm) backup_window.exec_() def showhide_menubar(self, checked): self.menuWidget().setVisible(checked) self.set_table_geom_size() if not checked: self.context_menu.addAction(self.action_menubar) else: self.context_menu.removeAction(self.action_menubar) def showhide_toolbar(self, checked): self.toolbar.setVisible(checked) self.set_table_geom_size() if not checked: self.context_menu.addAction(self.action_toolbar) else: self.context_menu.removeAction(self.action_toolbar) def showhide_column(self, col_num, show): self.table.setColumnHidden( col_num, not show) self.set_table_geom_size() def on_actionState_toggled(self, checked): self.showhide_column( self.columns_indices['State'], checked) def on_actionTemplate_toggled(self, checked): self.showhide_column( self.columns_indices['Template'], checked) def on_actionNetVM_toggled(self, checked): self.showhide_column( self.columns_indices['NetVM'], checked) def on_actionCPU_toggled(self, checked): self.showhide_column( self.columns_indices['CPU'], checked) def on_actionCPU_Graph_toggled(self, checked): self.showhide_column( self.columns_indices['CPU Graph'], checked) def on_actionMEM_toggled(self, checked): self.showhide_column( self.columns_indices['MEM'], checked) def on_actionMEM_Graph_toggled(self, checked): self.showhide_column( self.columns_indices['MEM Graph'], checked) def createPopupMenu(self): menu = QMenu() menu.addAction(self.action_toolbar) menu.addAction(self.action_menubar) return menu @pyqtSlot('const QPoint&') def open_context_menu(self, point): vm = self.get_selected_vm() if not vm.is_running(): self.blk_menu.setEnabled(False) else: self.blk_menu.clear() self.blk_menu.setEnabled(True) self.blk_manager.blk_lock.acquire() if len(self.blk_manager.attached_devs) > 0 : for d in self.blk_manager.attached_devs: if self.blk_manager.attached_devs[d]['attached_to']['vm'] == vm.name: str = "Detach " + d + " " + unicode(self.blk_manager.attached_devs[d]['size']) + " " + self.blk_manager.attached_devs[d]['desc'] action = self.blk_menu.addAction(QIcon(":/remove.png"), str) action.setData(QVariant(d)) if len(self.blk_manager.free_devs) > 0: for d in self.blk_manager.free_devs: if d.startswith(vm.name): continue str = "Attach " + d + " " + unicode(self.blk_manager.free_devs[d]['size']) + " " + self.blk_manager.free_devs[d]['desc'] action = self.blk_menu.addAction(QIcon(":/add.png"), str) action.setData(QVariant(d)) self.blk_manager.blk_lock.release() if self.blk_menu.isEmpty(): self.blk_menu.setEnabled(False) self.context_menu.exec_(self.table.mapToGlobal(point)) @pyqtSlot('QAction *') def attach_dettach_device_triggered(self, action): dev = str(action.data().toString()) vm = self.get_selected_vm() self.blk_manager.blk_lock.acquire() if dev in self.blk_manager.attached_devs: self.blk_manager.detach_device(vm, dev) else: self.blk_manager.attach_device(vm, dev) self.blk_manager.blk_lock.release() class QubesBlockDevicesManager(): def __init__(self, qvm_collection): self.qvm_collection = qvm_collection self.attached_devs = {} self.free_devs = {} self.current_blk = {} self.current_attached = {} self.devs_changed = False self.last_update_time = time.time() self.blk_state_changed = True self.msg = [] self.check_counter = 0 self.blk_lock = threading.Lock() self.update() def block_devs_event(self, xid): now = time.time() #don't update more often than 1/10 s if now - self.last_update_time >= 0.1: self.last_update_time = now self.blk_lock.acquire() self.blk_state_changed = True self.blk_lock.release() def check_for_updates(self): self.blk_lock.acquire() ret = (self.blk_state_changed, self.msg) if self.blk_state_changed == True: self.check_counter += 1 self.update() ret = (self.blk_state_changed, self.msg) #let the update last for 3 manager-update cycles if self.check_counter == 3: self.check_counter = 0 self.blk_state_changed = False self.msg = [] self.blk_lock.release() return ret def update(self): blk = qubesutils.block_list() for b in blk: att = qubesutils.block_check_attached(None, blk[b]['device'], backend_xid = blk[b]['xid']) if b in self.current_blk: if blk[b] == self.current_blk[b]: if self.current_attached[b] != att: #devices the same, sth with attaching changed self.current_attached[b] = att else: #device changed ?! self.current_blk[b] = blk[b] self.current_attached[b] = att else: #new device self.current_blk[b] = blk[b] self.current_attached[b] = att self.msg.append("Attached new device: {0}".format(blk[b]['device'])) to_delete = [] for b in self.current_blk: #remove devices that are not there anymore if b not in blk: to_delete.append(b) self.msg.append("Detached device: {0}".format(self.current_blk[b]['device'])) for d in to_delete: del self.current_blk[d] del self.current_attached[d] self.__update_blk_entries__() def __update_blk_entries__(self): self.free_devs.clear() self.attached_devs.clear() for b in self.current_attached: if self.current_attached[b]: self.attached_devs[b] = self.__make_entry__(b, self.current_blk[b], self.current_attached[b]) else: self.free_devs[b] = self.__make_entry__(b, self.current_blk[b], None) def __make_entry__(self, k, dev, att): size_str = qubesutils.bytes_to_kmg(dev['size']) entry = { 'dev': dev['device'], 'backend_name': dev['vm'], 'desc': dev['desc'], 'size': size_str, 'attached_to': att, } return entry def attach_device(self, vm, dev): backend_vm_name = self.free_devs[dev]['backend_name'] dev_id = self.free_devs[dev]['dev'] backend_vm = self.qvm_collection.get_vm_by_name(backend_vm_name) trayIcon.showMessage ("Qubes Manager", "{0} - attaching {1}".format(vm.name, dev), msecs=3000) qubesutils.block_attach(vm, backend_vm, dev_id) def detach_device(self, vm, dev_name): dev_id = self.attached_devs[dev_name]['attached_to']['devid'] vm_xid = self.attached_devs[dev_name]['attached_to']['xid'] trayIcon.showMessage ("Qubes Manager", "{0} - detaching {1}".format(vm.name, dev_name), msecs=3000) qubesutils.block_detach(None, dev_id, vm_xid) class QubesTrayIcon(QSystemTrayIcon): def __init__(self, icon): QSystemTrayIcon.__init__(self, icon) self.menu = QMenu() action_showmanager = self.createAction ("Open VM Manager", slot=show_manager, icon="qubes") action_backup = self.createAction ("Make backup") action_preferences = self.createAction ("Preferences") action_set_netvm = self.createAction ("Set default NetVM", icon="networking") action_sys_info = self.createAction ("System Info", icon="dom0") action_exit = self.createAction ("Exit", slot=exit_app) action_backup.setDisabled(True) action_preferences.setDisabled(True) action_set_netvm.setDisabled(True) action_sys_info.setDisabled(True) self.addActions (self.menu, (action_showmanager, action_backup, action_sys_info, None, action_preferences, action_set_netvm, None, action_exit)) self.setContextMenu(self.menu) self.connect (self, SIGNAL("activated (QSystemTrayIcon::ActivationReason)"), self.icon_clicked) def icon_clicked(self, reason): if reason == QSystemTrayIcon.Context: # Handle the right click normally, i.e. display the context menu return else: toggle_manager() def addActions(self, target, actions): for action in actions: if action is None: target.addSeparator() else: target.addAction(action) def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False, signal="triggered()"): action = QAction(text, self) if icon is not None: action.setIcon(QIcon(":/%s.png" % icon)) if shortcut is not None: action.setShortcut(shortcut) if tip is not None: action.setToolTip(tip) action.setStatusTip(tip) if slot is not None: self.connect(action, SIGNAL(signal), slot) if checkable: action.setCheckable(True) return action def get_frame_size(): w = 0 h = 0 cmd = ['xprop', '-name', 'Qubes VM Manager', '|', 'grep', '_NET_FRAME_EXTENTS'] xprop = subprocess.Popen(cmd, stdout = subprocess.PIPE) for l in xprop.stdout: line = l.split('=') if len(line) == 2: line = line[1].strip().split(',') if len(line) == 4: w = int(line[0].strip())+ int(line[1].strip()) h = int(line[2].strip())+ int(line[3].strip()) break; #in case of some weird window managers we have to assume sth... if w<= 0: w = 10 if h <= 0: h = 30 manager_window.frame_width = w manager_window.frame_height = h return def show_manager(): manager_window.show() def toggle_manager(): if manager_window.isVisible(): manager_window.hide() else: manager_window.show() manager_window.set_table_geom_size() manager_window.update_table(True) get_frame_size() print manager_window.frame_width, " x ", manager_window.frame_height manager_window.set_table_geom_size() def exit_app(): notifier.stop() app.exit() # Bases on the original code by: # Copyright (c) 2002-2007 Pascal Varet def handle_exception( exc_type, exc_value, exc_traceback ): import sys import os.path import traceback filename, line, dummy, dummy = traceback.extract_tb( exc_traceback ).pop() filename = os.path.basename( filename ) error = "%s: %s" % ( exc_type.__name__, exc_value ) strace = "" stacktrace = traceback.extract_tb( exc_traceback ) while len(stacktrace) > 0: (filename, line, func, txt) = stacktrace.pop() strace += "----\n" strace += "line: %s\n" %txt strace += "func: %s\n" %func strace += "line no.: %d\n" %line strace += "file: %s\n" %filename msg_box = QMessageBox() msg_box.setDetailedText(strace) msg_box.setIcon(QMessageBox.Critical) msg_box.setWindowTitle( "Houston, we have a problem...") msg_box.setText("Whoops. A critical error has occured. This is most likely a bug " "in Qubes Manager.

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

" % ( line, filename )) msg_box.exec_() def main(): # Avoid starting more than one instance of the app lock = QubesDaemonPidfile ("qubes-manager") if lock.pidfile_exists(): if lock.pidfile_is_stale(): lock.remove_pidfile() print "Removed stale pidfile (has the previous daemon instance crashed?)." else: exit (0) lock.create_pidfile() global qubes_host qubes_host = QubesHost() global app app = QApplication(sys.argv) app.setOrganizationName("The Qubes Project") app.setOrganizationDomain("http://qubes-os.org") app.setApplicationName("Qubes VM Manager") app.setWindowIcon(QIcon(":/qubes.png")) sys.excepthook = handle_exception global manager_window manager_window = VmManagerWindow() wm = WatchManager() mask = EventsCodes.OP_FLAGS.get('IN_MODIFY') global notifier notifier = ThreadedNotifier(wm, QubesConfigFileWatcher(manager_window.mark_table_for_update)) notifier.start() wdd = wm.add_watch(qubes_store_filename, mask) global trayIcon trayIcon = QubesTrayIcon(QIcon(":/qubes.png")) trayIcon.show() app.exec_() trayIcon = None