#!/usr/bin/python2.6
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
#
# 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, tooltip = None, 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)
if tooltip != None:
label_icon.setToolTip(tooltip)
layout = QHBoxLayout()
layout.addWidget(label_icon)
layout.setContentsMargins(0,0,0,0)
self.setLayout(layout)
class VmTypeWidget(VmIconWidget):
class VmTypeItem(QTableWidgetItem):
def __init__(self, value):
super(VmTypeWidget.VmTypeItem, 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, tooltip) = self.get_vm_icon(vm)
super (VmTypeWidget, self).__init__(icon_path, True, 0.8, tooltip, parent)
self.vm = vm
self.tableItem = self.VmTypeItem(self.value)
def get_vm_icon(self, vm):
if vm.qid == 0:
self.value = 0
return (":/dom0.png", "Dom0")
elif vm.is_netvm() and not vm.is_proxyvm():
self.value = 1
return (":/netvm.png", "NetVM")
elif vm.is_proxyvm():
self.value = 2
return (":/proxyvm.png", "ProxyVM")
elif vm.is_template():
self.value = 3
return (":/templatevm.png", "TemplateVM")
elif vm.is_appvm() and vm.template is None:
self.value = 4
return (":/standalonevm.png", "StandaloneVM")
elif vm.type == "HVM":
self.value = 5
return (":/hvm.png", "HVM")
elif vm.is_appvm() or vm.is_disposablevm():
self.value = 5 + vm.label.index
return (":/appvm.png", "AppVM")
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, None, parent)
self.vm = vm
self.tableItem = self.VmLabelItem(self.value)
def get_vm_icon_path(self, vm):
self.value = 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 ["Transient", "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):
if vm.type == "HVM":
return
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 = "<font color=\"#CCCC00\">Check updates</font>"
icon_path = ":/update-recommended.png"
tooltip_text = "Update recommended"
elif state == "outdated":
label_text = "<font color=\"red\">VM outdated</font>"
icon_path = ":/outdated.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.type_widget = VmTypeWidget(vm)
table.setCellWidget(row_no, VmManagerWindow.columns_indices['Type'], self.type_widget)
table.setItem(row_no, VmManagerWindow.columns_indices['Type'], self.type_widget.tableItem)
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 <b>'{0}'</b> hasn't shutdown within the last {1} seconds, do you want to kill it?<br>".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 = { "Type": 0,
"Label": 1,
"Name": 2,
"State": 3,
"Template": 4,
"NetVM": 5,
"CPU": 6,
"CPU Graph": 7,
"MEM": 8,
"MEM Graph": 9,}
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"], 40)
self.table.setColumnWidth(self.columns_indices["Type"], 40)
self.table.horizontalHeader().setResizeMode(QHeaderView.Fixed)
self.table.sortItems(self.columns_indices["Type"], 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.context_menu.addAction(self.action_set_keyboard_layout)
self.table_selection_changed()
self.logs_menu = QMenu("Logs")
log_icon = QtGui.QIcon()
log_icon.addPixmap(QPixmap(":/log.png"))
self.logs_menu.setIcon(log_icon)
self.context_menu.addMenu(self.logs_menu)
self.blk_menu = QMenu("Block devices")
blk_icon = QtGui.QIcon()
blk_icon.addPixmap(QPixmap(":/mount.png"))
self.blk_menu.setIcon(blk_icon)
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.connect(self.logs_menu, SIGNAL("triggered(QAction *)"), self.show_log)
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", "Transient"]
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", "Transient"])
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)
self.action_set_keyboard_layout.setEnabled(vm.qid != 0 and vm.last_running)
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)
self.action_set_keyboard_layout.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 <b>{0}</b> 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 <b>{0}</b>...".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.<br>"
"<small>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.</small>")
return
reply = QMessageBox.question(None, "VM Removal Confirmation",
"Are you sure you want to remove the VM <b>'{0}'</b>?<br>"
"<small>All data on this VM's private storage will be lost!</small>".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: <b>{0}</b>...".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 <b>'{0}'</b>?<br>"
"<small>This will shutdown all the running applications within this VM.</small>".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 <b>'{0}'</b>?<br>"
"<small>This will end <b>(not shutdown!)</b> all the running applications within this VM.</small>".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!", "<b>An exception ocurred while killing {0}.</b><br>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?<br>",
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_set_keyboard_layout_triggered')
def action_set_keyboard_layout_triggered(self):
print "change layout!"
vm = self.get_selected_vm()
subprocess.Popen( ['qvm-run', vm.name, 'qubes-change-keyboard-layout'])
@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()
running = vm.is_running()
#logs menu
self.logs_menu.clear()
if vm.qid == 0:
text = "/var/log/xen/console/hypervisor.log"
action = self.logs_menu.addAction(QIcon(":/log.png"), text)
action.setData(QVariant(text))
self.logs_menu.setEnabled(True)
else:
menu_empty = True
text = "/var/log/xen/console/guest-"+vm.name+".log"
if os.path.exists(text):
action = self.logs_menu.addAction(QIcon(":/log.png"), text)
action.setData(QVariant(text))
menu_empty = False
text = "/var/log/xen/console/guest-"+vm.name+"-dm.log"
if os.path.exists(text):
action = self.logs_menu.addAction(QIcon(":/log.png"), text)
action.setData(QVariant(text))
menu_empty = False
if running:
xid = vm.xid
if xid != None:
text = "/var/log/qubes/guid."+str(xid)+".log"
action = self.logs_menu.addAction(QIcon(":/log.png"), text)
action.setData(QVariant(text))
text = "/var/log/qubes/qrexec."+str(xid)+".log"
action = self.logs_menu.addAction(QIcon(":/log.png"), text)
action.setData(QVariant(text))
menu_empty = False
self.logs_menu.setEnabled(not menu_empty)
# blk menu
if not 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:
text = "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"), text)
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
text = "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"), text)
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 show_log(self, action):
log = str(action.data().toString())
cmd = ['kdialog', '--textbox', log, '700', '450', '--title', log]
subprocess.Popen(cmd)
@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 <p.varet@gmail.com>
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.<br><br>"
"<b><i>%s</i></b>" % error +
"<br/>at line <b>%d</b><br/>of file %s.<br/><br/>"
% ( 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