#!/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
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
import qubesmanager.qrc_resources
import ui_newappvmdlg
from appmenu_select import AppmenuSelectWindow
from firewall import EditFwRulesDlg, QubesFirewallRulesModel
from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent
import subprocess
import time
import threading
from datetime import datetime,timedelta
qubes_guid_path = '/usr/bin/qubes_guid'
class QubesConfigFileWatcher(ProcessEvent):
def __init__ (self, update_func):
self.update_func = update_func
def process_IN_MODIFY (self, event):
self.update_func()
class VmStatusIcon(QLabel):
def __init__(self, vm, parent=None):
super (VmStatusIcon, self).__init__(parent)
self.vm = vm
(icon_pixmap, icon_sz) = self.set_vm_icon(self.vm)
self.setPixmap (icon_pixmap)
self.setFixedSize (icon_sz)
self.previous_power_state = vm.last_power_state
def update(self):
if self.previous_power_state != self.vm.last_power_state:
(icon_pixmap, icon_sz) = self.set_vm_icon(self.vm)
self.setPixmap (icon_pixmap)
self.setFixedSize (icon_sz)
self.previous_power_state = self.vm.last_power_state
def set_vm_icon(self, vm):
if vm.qid == 0:
icon = QIcon (":/dom0.png")
elif vm.is_appvm():
icon = QIcon (vm.label.icon_path)
elif vm.is_template():
icon = QIcon (":/templatevm.png")
elif vm.is_netvm():
icon = QIcon (":/netvm.png")
else:
icon = QIcon()
icon_sz = QSize (VmManagerWindow.row_height * 0.8, VmManagerWindow.row_height * 0.8)
if vm.last_power_state:
icon_pixmap = icon.pixmap(icon_sz)
else:
icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled)
return (icon_pixmap, icon_sz)
class VmInfoWidget (QWidget):
def __init__(self, vm, parent = None):
super (VmInfoWidget, self).__init__(parent)
layout0 = QHBoxLayout()
self.label_name = QLabel (vm.name)
self.vm_running = vm.last_power_state
layout0.addWidget(self.label_name, alignment=Qt.AlignLeft)
layout1 = QHBoxLayout()
if vm.template_vm is not None:
self.label_tmpl = QLabel ("<i><font color=\"gray\">" + (vm.template_vm.name) + "</i></font>")
elif vm.is_appvm(): # and vm.template_vm is None
self.label_tmpl = QLabel ("<i><font color=\"gray\">StandaloneVM</i></font>")
elif vm.is_template():
self.label_tmpl = QLabel ("<i><font color=\"gray\">TemplateVM</i></font>")
elif vm.qid == 0:
self.label_tmpl = QLabel ("<i><font color=\"gray\">AdminVM</i></font>")
elif vm.is_netvm():
self.label_tmpl = QLabel ("<i><font color=\"gray\">NetVM</i></font>")
else:
self.label_tmpl = QLabel ("")
label_icon_networked = self.set_icon(":/networking.png", vm.is_networked())
layout1.addWidget(label_icon_networked, alignment=Qt.AlignLeft)
if vm.is_updateable():
label_icon_updtbl = self.set_icon(":/updateable.png", True)
layout1.addWidget(label_icon_updtbl, alignment=Qt.AlignLeft)
layout1.addWidget(self.label_tmpl, alignment=Qt.AlignLeft)
layout1.addStretch()
layout2 = QVBoxLayout ()
layout2.addLayout(layout0)
layout2.addLayout(layout1)
layout3 = QHBoxLayout ()
self.vm_icon = VmStatusIcon(vm)
layout3.addWidget(self.vm_icon)
layout3.addSpacing (10)
layout3.addLayout(layout2)
self.setLayout(layout3)
self.previous_outdated = False
def set_icon(self, icon_path, enabled = True):
label_icon = QLabel()
icon = QIcon (icon_path)
icon_sz = QSize (VmManagerWindow.row_height * 0.3, VmManagerWindow.row_height * 0.3)
icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled if not enabled else QIcon.Normal)
label_icon.setPixmap (icon_pixmap)
label_icon.setFixedSize (icon_sz)
return label_icon
def update_vm_state (self, vm):
self.vm_icon.update()
def update_outdated(self, vm):
outdated = vm.is_outdated()
if outdated != self.previous_outdated:
if outdated:
self.label_name.setText(vm.name + "<small><font color=\"red\"> (outdated)</font></small>")
else:
self.label_name.setText(vm.name)
self.previous_outdated = outdated
class VmUsageWidget (QWidget):
def __init__(self, vm, cpu_load = 0, parent = None):
super (VmUsageWidget, self).__init__(parent)
self.cpu_widget = QProgressBar()
self.mem_widget = QProgressBar()
self.cpu_widget.setMinimum(0)
self.cpu_widget.setMaximum(100)
self.mem_widget.setMinimum(0)
self.mem_widget.setMaximum(qubes_host.memory_total/1024)
self.mem_widget.setFormat ("%v MB");
self.cpu_label = QLabel("CPU")
self.mem_label = QLabel("MEM")
layout_cpu = QHBoxLayout()
layout_cpu.addWidget(self.cpu_label)
layout_cpu.addWidget(self.cpu_widget)
layout_mem = QHBoxLayout()
layout_mem.addWidget(self.mem_label)
layout_mem.addWidget(self.mem_widget)
layout = QVBoxLayout()
layout.addLayout(layout_cpu)
layout.addLayout(layout_mem)
self.setLayout(layout)
self.update_load(vm, cpu_load)
def update_load(self, vm, cpu_load):
self.cpu_load = cpu_load if vm.last_power_state else 0
self.mem_load = vm.get_mem()/1024 if vm.last_power_state else 0
self.cpu_widget.setValue(self.cpu_load)
self.mem_widget.setValue(self.mem_load)
def resizeEvent(self, Event = None):
label_width = max(self.mem_label.width(), self.cpu_label.width())
self.mem_label.setMinimumWidth(label_width)
self.cpu_label.setMinimumWidth(label_width)
super (VmUsageWidget, self).resizeEvent(Event)
class LoadChartWidget (QWidget):
def __init__(self, vm, cpu_load = 0, parent = None):
super (LoadChartWidget, self).__init__(parent)
self.load = cpu_load if vm.last_power_state else 0
assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load)
self.load_history = [self.load]
def update_load (self, vm, cpu_load):
self.load = cpu_load if vm.last_power_state else 0
assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load)
self.load_history.append (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]
hue = 200
sat = 70 + val*(255-70)/100
color = QColor.fromHsv (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 MemChartWidget (QWidget):
def __init__(self, vm, parent = None):
super (MemChartWidget, self).__init__(parent)
self.load = vm.get_mem()*100/qubes_host.memory_total if vm.last_power_state else 0
assert self.load >= 0 and self.load <= 100, "mem = {0}".format(self.load)
self.load_history = [self.load]
def update_load (self, vm):
self.load = vm.get_mem()*100/qubes_host.memory_total if vm.last_power_state else 0
assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load)
self.load_history.append (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]
hue = 120
sat = 70 + val*(255-70)/100
color = QColor.fromHsv (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 VmRowInTable(object):
def __init__(self, vm, row_no, table):
self.vm = vm
self.row_no = row_no
table.setRowHeight (row_no, VmManagerWindow.row_height)
self.info_widget = VmInfoWidget(vm)
table.setCellWidget(row_no, 0, self.info_widget)
self.usage_widget = VmUsageWidget(vm)
table.setCellWidget(row_no, 1, self.usage_widget)
self.load_widget = LoadChartWidget(vm)
table.setCellWidget(row_no, 2, self.load_widget)
self.mem_widget = MemChartWidget(vm)
table.setCellWidget(row_no, 3, self.mem_widget)
def update(self, counter, cpu_load = None):
self.info_widget.update_vm_state(self.vm)
if cpu_load is not None:
self.usage_widget.update_load(self.vm, cpu_load)
self.load_widget.update_load(self.vm, cpu_load)
self.mem_widget.update_load(self.vm)
self.info_widget.update_outdated(self.vm)
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
if not vm.is_running() or vm.get_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 ThreadMonitor(QObject):
def __init__(self):
self.success = True
self.error_msg = None
self.event_finished = threading.Event()
def set_error_msg(self, error_msg):
self.success = False
self.error_msg = error_msg
self.set_finished()
def is_finished(self):
return self.event_finished.is_set()
def set_finished(self):
self.event_finished.set()
class VmManagerWindow(QMainWindow):
columns_widths = [200, 200, 150, 150]
row_height = 50
max_visible_rows = 14
update_interval = 1000 # in msec
show_inactive_vms = True
columns_states = { 0: [0, 1], 1: [0, 2, 3] }
def __init__(self, parent=None):
super(VmManagerWindow, self).__init__(parent)
self.action_createvm = self.createAction ("Create AppVM", slot=self.create_appvm,
icon="createvm", tip="Create a new AppVM")
self.action_removevm = self.createAction ("Remove AppVM", slot=self.remove_appvm,
icon="removevm", tip="Remove an existing AppVM (must be stopped first)")
self.action_resumevm = self.createAction ("Start/Resume VM", slot=self.resume_vm,
icon="resumevm", tip="Start/Resume a VM")
self.action_pausevm = self.createAction ("Pause VM", slot=self.pause_vm,
icon="pausevm", tip="Pause a running VM")
self.action_shutdownvm = self.createAction ("Shutdown VM", slot=self.shutdown_vm,
icon="shutdownvm", tip="Shutdown a running VM")
self.action_appmenus = self.createAction ("Select VM applications", slot=self.appmenus_select,
icon="root", tip="Select applications present in menu for this VM")
self.action_showallvms = self.createAction ("Show/Hide Inactive VMs", slot=self.toggle_inactive_view, checkable=True,
icon="showallvms", tip="Show/Hide Inactive VMs")
self.action_showcpuload = self.createAction ("Show/Hide CPU Load chart", slot=self.showcpuload, checkable=True,
icon="showcpuload", tip="Show/Hide CPU Load chart")
self.action_editfwrules = self.createAction ("Edit VM Firewall rules", slot=self.edit_fw_rules,
icon="firewall", tip="Edit VM Firewall rules")
self.action_removevm.setDisabled(True)
self.action_resumevm.setDisabled(True)
self.action_pausevm.setDisabled(True)
self.action_shutdownvm.setDisabled(True)
self.action_appmenus.setDisabled(True)
self.action_showallvms.setChecked(self.show_inactive_vms)
self.toolbar = self.addToolBar ("Toolbar")
self.toolbar.setFloatable(False)
self.addActions (self.toolbar, (self.action_createvm, self.action_removevm,
None,
self.action_resumevm, self.action_shutdownvm,
self.action_editfwrules, self.action_appmenus,
None,
self.action_showcpuload,
self.action_showallvms,
))
self.table = QTableWidget()
self.setCentralWidget(self.table)
self.table.clear()
self.table.setColumnCount(len(VmManagerWindow.columns_widths))
for (col, width) in enumerate (VmManagerWindow.columns_widths):
self.table.setColumnWidth (col, width)
self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch)
self.table.horizontalHeader().setResizeMode(0, QHeaderView.Fixed)
self.table.setAlternatingRowColors(True)
self.table.verticalHeader().hide()
self.table.horizontalHeader().hide()
self.table.setGridStyle(Qt.NoPen)
self.table.setSortingEnabled(False)
self.table.setSelectionBehavior(QTableWidget.SelectRows)
self.table.setSelectionMode(QTableWidget.SingleSelection)
self.__cpugraphs = self.action_showcpuload.isChecked()
self.update_table_columns()
self.qvm_collection = QubesVmCollection()
self.setWindowTitle("Qubes VM Manager")
self.connect(self.table, SIGNAL("itemSelectionChanged()"), self.table_selection_changed)
cur_pos = self.pos()
self.setFixedWidth (self.get_minimum_table_width())
self.fill_table()
self.move(cur_pos)
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 set_table_geom_height(self):
# TODO: '6' -- WTF?!
tbl_H = self.toolbar.height() + 6 + \
self.table.horizontalHeader().height() + 6
n = self.table.rowCount();
if n > VmManagerWindow.max_visible_rows:
n = VmManagerWindow.max_visible_rows
for i in range (0, n):
tbl_H += self.table.rowHeight(i)
self.setFixedHeight(tbl_H)
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_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.is_running()
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.clear()
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_power_state):
continue
if vm.internal:
continue
vm_row = VmRowInTable (vm, row_no, self.table)
vms_in_table.append (vm_row)
row_no += 1
self.table.setRowCount(row_no)
self.set_table_geom_height()
self.vms_list = vms_list
self.vms_in_table = vms_in_table
self.reload_table = False
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):
if manager_window.isVisible():
some_vms_have_changed_power_state = False
for vm in self.vms_list:
state = vm.is_running();
if vm.last_power_state != state:
vm.last_power_state = state
some_vms_have_changed_power_state = True
if self.reload_table or ((not self.show_inactive_vms) and some_vms_have_changed_power_state):
self.fill_table()
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:
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
vm_row.update(self.counter, cpu_load = cur_cpu_load)
else:
for vm_row in self.vms_in_table:
vm_row.update(self.counter)
self.table_selection_changed()
if not out_of_schedule:
self.counter += 1
QTimer.singleShot (self.update_interval, self.update_table)
def update_table_columns(self):
state = 1 if self.__cpugraphs else 0
columns = self.columns_states[state]
for i in range(0, self.table.columnCount()):
enabled = columns.count(i) > 0
self.table.setColumnHidden(i, not enabled)
self.setMinimumWidth(self.get_minimum_table_width())
def table_selection_changed (self):
vm = self.get_selected_vm()
# Update available actions:
self.action_removevm.setEnabled(not vm.installed_by_rpm and not vm.last_power_state)
self.action_resumevm.setEnabled(not vm.last_power_state)
self.action_pausevm.setEnabled(vm.last_power_state and vm.qid != 0)
self.action_shutdownvm.setEnabled(not vm.is_netvm() and vm.last_power_state 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()))
def get_minimum_table_width(self):
tbl_W = 0
for (col, w) in enumerate(VmManagerWindow.columns_widths):
if not self.table.isColumnHidden(col):
tbl_W += w
return tbl_W
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()
def create_appvm(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_vm():
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)
vm.add_to_xen_storage()
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):
row_index = self.table.currentRow()
assert self.vms_in_table[row_index] is not None
vm = self.vms_in_table[row_index].vm
return vm
def remove_appvm(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 qvm_collection.default_template_qid == vm.qid:
qvm_collection.default_template_qid = None
if vm.is_netvm() and qvm_collection.default_netvm_qid == vm.qid:
qvm_collection.default_netvm_qid = None
vm.remove_from_xen_storage()
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()
def resume_vm(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()
def pause_vm(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
def shutdown_vm(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:
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)
def appmenus_select(self):
vm = self.get_selected_vm()
select_window = AppmenuSelectWindow(vm)
select_window.exec_()
def update_vm(self):
vm = self.get_selected_vm()
assert not vm.is_running()
reply = QMessageBox.question(None, "VM Update Confirmation",
"Are you sure you want to commit template <b>'{0}'</b> changes?<br>"
"<small>AppVMs will see the changes after restart.</small>".format(vm.name),
QMessageBox.Yes | QMessageBox.Cancel)
app.processEvents()
if reply == QMessageBox.Yes:
try:
vm.commit_changes();
except Exception as ex:
QMessageBox.warning (None, "Error commiting changes!", "ERROR: {0}".format(ex))
return
trayIcon.showMessage ("Qubes Manager", "Changes to template '{0}' commited.".format(vm.name), msecs=3000)
def showcpuload(self):
self.__cpugraphs = self.action_showcpuload.isChecked()
self.update_table_columns()
def toggle_inactive_view(self):
self.show_inactive_vms = self.action_showallvms.isChecked()
self.mark_table_for_update()
self.update_table(out_of_schedule = True)
def edit_fw_rules(self):
vm = self.get_selected_vm()
dialog = EditFwRulesDlg()
model = QubesFirewallRulesModel()
model.set_vm(vm)
dialog.set_model(model)
if vm.netvm_vm is not None and not vm.netvm_vm.is_proxyvm():
QMessageBox.warning (None, "VM configuration problem!", "The '{0}' AppVM is not network connected to a FirewallVM!<p>".format(vm.name) +\
"You may edit the '{0}' VM firewall rules, but these will not take any effect until you connect it to a working Firewall VM.".format(vm.name))
if dialog.exec_():
model.apply_rules()
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 show_manager():
manager_window.show()
def toggle_manager():
if manager_window.isVisible():
manager_window.hide()
else:
manager_window.show()
manager_window.update_table(True)
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 )
QMessageBox.critical(None, "Houston, we have a problem...",
"Whoops. A critical error has occured. This is most likely a bug "
"in Qubes Manager.<br><br>"
"<b><i>%s</i></b>" % error +
"at <b>line %d</b> of file <b>%s</b>.<br/><br/>"
% ( line, filename ))
#sys.exit(1)
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