984 lines
35 KiB
Python
Executable File
984 lines
35 KiB
Python
Executable File
#!/usr/bin/python2.6
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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import sys
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qubes.qubes import QubesVmCollection
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from qubes.qubes import QubesException
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from qubes.qubes import qubes_store_filename
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from qubes.qubes import QubesVmLabels
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from qubes.qubes import dry_run
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from qubes.qubes import qubes_guid_path
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from qubes.qubes import QubesDaemonPidfile
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from qubes.qubes import QubesHost
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import qubesmanager.qrc_resources
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import ui_newappvmdlg
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from firewall import EditFwRulesDlg, QubesFirewallRulesModel
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from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent
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import subprocess
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import time
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import threading
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qubes_guid_path = '/usr/bin/qubes_guid'
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class QubesConfigFileWatcher(ProcessEvent):
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def __init__ (self, update_func):
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self.update_func = update_func
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def process_IN_MODIFY (self, event):
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self.update_func()
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class VmStatusIcon(QLabel):
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def __init__(self, vm, parent=None):
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super (VmStatusIcon, self).__init__(parent)
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self.vm = vm
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(icon_pixmap, icon_sz) = self.set_vm_icon(self.vm)
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self.setPixmap (icon_pixmap)
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self.setFixedSize (icon_sz)
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self.previous_power_state = vm.is_running()
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def update(self):
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if self.previous_power_state != self.vm.is_running():
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(icon_pixmap, icon_sz) = self.set_vm_icon(self.vm)
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self.setPixmap (icon_pixmap)
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self.setFixedSize (icon_sz)
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self.previous_power_state = self.vm.is_running()
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def set_vm_icon(self, vm):
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if vm.qid == 0:
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icon = QIcon (":/dom0.png")
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elif vm.is_appvm():
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icon = QIcon (vm.label.icon_path)
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elif vm.is_template():
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icon = QIcon (":/templatevm.png")
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elif vm.is_netvm():
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icon = QIcon (":/netvm.png")
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else:
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icon = QIcon()
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icon_sz = QSize (VmManagerWindow.row_height * 0.8, VmManagerWindow.row_height * 0.8)
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if vm.is_running():
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icon_pixmap = icon.pixmap(icon_sz)
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else:
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icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled)
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return (icon_pixmap, icon_sz)
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class VmInfoWidget (QWidget):
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def __init__(self, vm, parent = None):
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super (VmInfoWidget, self).__init__(parent)
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layout0 = QHBoxLayout()
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label_name = QLabel (vm.name)
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self.vm_running = vm.is_running()
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layout0.addWidget(label_name, alignment=Qt.AlignLeft)
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layout1 = QHBoxLayout()
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if vm.is_appvm() or vm.is_disposablevm():
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label_tmpl = QLabel ("<i><font color=\"gray\">" + (vm.template_vm.name if vm.template_vm is not None else "--") + "</i></font>")
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elif vm.is_template():
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label_tmpl = QLabel ("<i><font color=\"gray\">TemplateVM</i></font>")
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elif vm.qid == 0:
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label_tmpl = QLabel ("<i><font color=\"gray\">AdminVM</i></font>")
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elif vm.is_netvm():
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label_tmpl = QLabel ("<i><font color=\"gray\">NetVM</i></font>")
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else:
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label_tmpl = QLabel ("")
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label_icon_networked = self.set_icon(":/networking.png", vm.is_networked())
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layout1.addWidget(label_icon_networked, alignment=Qt.AlignLeft)
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if vm.is_updateable():
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label_icon_updtbl = self.set_icon(":/updateable.png", True)
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layout1.addWidget(label_icon_updtbl, alignment=Qt.AlignLeft)
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layout1.addWidget(label_tmpl, alignment=Qt.AlignLeft)
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layout1.addStretch()
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layout2 = QVBoxLayout ()
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layout2.addLayout(layout0)
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layout2.addLayout(layout1)
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layout3 = QHBoxLayout ()
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self.vm_icon = VmStatusIcon(vm)
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layout3.addWidget(self.vm_icon)
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layout3.addSpacing (10)
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layout3.addLayout(layout2)
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self.setLayout(layout3)
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def set_icon(self, icon_path, enabled = True):
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label_icon = QLabel()
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icon = QIcon (icon_path)
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icon_sz = QSize (VmManagerWindow.row_height * 0.3, VmManagerWindow.row_height * 0.3)
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icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled if not enabled else QIcon.Normal)
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label_icon.setPixmap (icon_pixmap)
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label_icon.setFixedSize (icon_sz)
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return label_icon
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def update_vm_state (self, vm):
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self.vm_icon.update()
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class VmUsageWidget (QWidget):
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def __init__(self, vm, parent = None):
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super (VmUsageWidget, self).__init__(parent)
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self.cpu_widget = QProgressBar()
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self.mem_widget = QProgressBar()
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self.cpu_widget.setMinimum(0)
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self.cpu_widget.setMaximum(100)
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self.mem_widget.setMinimum(0)
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self.mem_widget.setMaximum(100)
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self.cpu_label = QLabel("CPU")
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self.mem_label = QLabel("MEM")
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layout_cpu = QHBoxLayout()
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layout_cpu.addWidget(self.cpu_label)
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layout_cpu.addWidget(self.cpu_widget)
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layout_mem = QHBoxLayout()
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layout_mem.addWidget(self.mem_label)
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layout_mem.addWidget(self.mem_widget)
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layout = QVBoxLayout()
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layout.addLayout(layout_cpu)
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layout.addLayout(layout_mem)
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self.setLayout(layout)
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self.update_load(vm)
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def update_load(self, vm):
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self.cpu_load = vm.get_cpu_total_load() if vm.is_running() else 0
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assert self.cpu_load >= 0 and self.cpu_load <= 100, "load = {0}".format(self.load)
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self.mem_load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0
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assert self.mem_load >= 0 and self.mem_load <= 100, "mem = {0}".format(self.load)
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self.cpu_widget.setValue(self.cpu_load)
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self.mem_widget.setValue(self.mem_load)
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def resizeEvent(self, Event = None):
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label_width = max(self.mem_label.width(), self.cpu_label.width())
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self.mem_label.setMinimumWidth(label_width)
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self.cpu_label.setMinimumWidth(label_width)
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super (VmUsageWidget, self).resizeEvent(Event)
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class LoadChartWidget (QWidget):
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def __init__(self, vm, parent = None):
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super (LoadChartWidget, self).__init__(parent)
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self.load = vm.get_cpu_total_load() if vm.is_running() else 0
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assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load)
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self.load_history = [self.load]
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def update_load (self, vm):
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self.load = vm.get_cpu_total_load() if vm.is_running() else 0
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assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load)
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self.load_history.append (self.load)
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self.repaint()
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def paintEvent (self, Event = None):
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p = QPainter (self)
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dx = 4
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W = self.width()
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H = self.height() - 5
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N = len(self.load_history)
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if N > W/dx:
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tail = N - W/dx
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N = W/dx
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self.load_history = self.load_history[tail:]
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assert len(self.load_history) == N
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for i in range (0, N-1):
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val = self.load_history[N- i - 1]
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hue = 200
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sat = 70 + val*(255-70)/100
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color = QColor.fromHsv (hue, sat, 255)
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pen = QPen (color)
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pen.setWidth(dx-1)
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p.setPen(pen)
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if val > 0:
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p.drawLine (W - i*dx - dx, H , W - i*dx - dx, H - (H - 5) * val/100)
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class MemChartWidget (QWidget):
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def __init__(self, vm, parent = None):
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super (MemChartWidget, self).__init__(parent)
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self.load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0
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assert self.load >= 0 and self.load <= 100, "mem = {0}".format(self.load)
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self.load_history = [self.load]
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def update_load (self, vm):
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self.load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0
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assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load)
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self.load_history.append (self.load)
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self.repaint()
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def paintEvent (self, Event = None):
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p = QPainter (self)
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dx = 4
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W = self.width()
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H = self.height() - 5
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N = len(self.load_history)
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if N > W/dx:
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tail = N - W/dx
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N = W/dx
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self.load_history = self.load_history[tail:]
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assert len(self.load_history) == N
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for i in range (0, N-1):
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val = self.load_history[N- i - 1]
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hue = 120
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sat = 70 + val*(255-70)/100
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color = QColor.fromHsv (hue, sat, 255)
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pen = QPen (color)
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pen.setWidth(dx-1)
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p.setPen(pen)
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if val > 0:
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p.drawLine (W - i*dx - dx, H , W - i*dx - dx, H - (H - 5) * val/100)
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class VmRowInTable(object):
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def __init__(self, vm, row_no, table):
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self.vm = vm
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self.row_no = row_no
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table.setRowHeight (row_no, VmManagerWindow.row_height)
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self.info_widget = VmInfoWidget(vm)
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table.setCellWidget(row_no, 0, self.info_widget)
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self.usage_widget = VmUsageWidget(vm)
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table.setCellWidget(row_no, 1, self.usage_widget)
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self.load_widget = LoadChartWidget(vm)
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table.setCellWidget(row_no, 2, self.load_widget)
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self.mem_widget = MemChartWidget(vm)
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table.setCellWidget(row_no, 3, self.mem_widget)
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def update(self, counter):
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self.info_widget.update_vm_state(self.vm)
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if counter % 3 == 0:
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self.usage_widget.update_load(self.vm)
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self.load_widget.update_load(self.vm)
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self.mem_widget.update_load(self.vm)
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class NewAppVmDlg (QDialog, ui_newappvmdlg.Ui_NewAppVMDlg):
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def __init__(self, parent = None):
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super (NewAppVmDlg, self).__init__(parent)
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self.setupUi(self)
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vm_shutdown_timeout = 15000 # in msec
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class VmShutdownMonitor(QObject):
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def __init__(self, vm):
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self.vm = vm
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def check_if_vm_has_shutdown(self):
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vm = self.vm
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if not vm.is_running():
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return
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reply = QMessageBox.question(None, "VM Shutdown",
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"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),
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"Kill it!", "Wait another {0} seconds...".format(vm_shutdown_timeout/1000))
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if reply == 0:
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vm.force_shutdown()
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else:
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QTimer.singleShot (vm_shutdown_timeout, self.check_if_vm_has_shutdown)
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class ThreadMonitor(QObject):
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def __init__(self):
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self.success = True
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self.error_msg = None
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self.event_finished = threading.Event()
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def set_error_msg(self, error_msg):
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self.success = False
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self.error_msg = error_msg
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self.set_finished()
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def is_finished(self):
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return self.event_finished.is_set()
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def set_finished(self):
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self.event_finished.set()
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class VmManagerWindow(QMainWindow):
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columns_widths = [200, 200, 150, 150]
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row_height = 50
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max_visible_rows = 14
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update_interval = 1000 # in msec
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fw_rules_apply_check_interval = 5000
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show_inactive_vms = True
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columns_states = { 0: [0, 1], 1: [0, 2, 3] }
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def __init__(self, parent=None):
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super(VmManagerWindow, self).__init__(parent)
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self.action_createvm = self.createAction ("Create AppVM", slot=self.create_appvm,
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icon="createvm", tip="Create a new AppVM")
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self.action_removevm = self.createAction ("Remove AppVM", slot=self.remove_appvm,
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icon="removevm", tip="Remove an existing AppVM (must be stopped first)")
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self.action_resumevm = self.createAction ("Start/Resume VM", slot=self.resume_vm,
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icon="resumevm", tip="Start/Resusme a VM")
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self.action_pausevm = self.createAction ("Pause VM", slot=self.pause_vm,
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icon="pausevm", tip="Pause a running VM")
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self.action_shutdownvm = self.createAction ("Shutdown VM", slot=self.shutdown_vm,
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icon="shutdownvm", tip="Shutdown a running VM")
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self.action_updatevm = self.createAction ("Commit VM changes", slot=self.update_vm,
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icon="updateable", tip="Commit changes to template (only for 'updateable' template VMs); VM must be stopped")
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self.action_showallvms = self.createAction ("Show/Hide Inactive VMs", slot=None, checkable=True,
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icon="showallvms", tip="Show/Hide Inactive VMs")
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self.action_showcpuload = self.createAction ("Show/Hide CPU Load chart", slot=self.showcpuload, checkable=True,
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icon="showcpuload", tip="Show/Hide CPU Load chart")
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self.action_editfwrules = self.createAction ("Edit VM Firewall rules", slot=self.edit_fw_rules,
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icon="firewall", tip="Edit VM Firewall rules")
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self.action_removevm.setDisabled(True)
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self.action_resumevm.setDisabled(True)
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self.action_pausevm.setDisabled(True)
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self.action_shutdownvm.setDisabled(True)
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self.action_updatevm.setDisabled(True)
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self.toolbar = self.addToolBar ("Toolbar")
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self.toolbar.setFloatable(False)
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self.addActions (self.toolbar, (self.action_createvm, self.action_removevm,
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None,
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self.action_resumevm, self.action_pausevm, self.action_shutdownvm,
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self.action_updatevm, self.action_editfwrules,
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None,
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self.action_showcpuload,
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))
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self.table = QTableWidget()
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self.setCentralWidget(self.table)
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self.table.clear()
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self.table.setColumnCount(len(VmManagerWindow.columns_widths))
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for (col, width) in enumerate (VmManagerWindow.columns_widths):
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self.table.setColumnWidth (col, width)
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self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch)
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self.table.horizontalHeader().setResizeMode(0, QHeaderView.Fixed)
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self.table.setAlternatingRowColors(True)
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self.table.verticalHeader().hide()
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self.table.horizontalHeader().hide()
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self.table.setGridStyle(Qt.NoPen)
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self.table.setSortingEnabled(False)
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self.table.setSelectionBehavior(QTableWidget.SelectRows)
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self.table.setSelectionMode(QTableWidget.SingleSelection)
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self.__cpugraphs = self.action_showcpuload.isChecked()
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self.update_table_columns()
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self.qvm_collection = QubesVmCollection()
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self.setWindowTitle("Qubes VM Manager")
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self.connect(self.table, SIGNAL("itemSelectionChanged()"), self.table_selection_changed)
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self.fill_table()
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tbl_W = self.get_minimum_table_width()
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# TODO: '6' -- WTF?!
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tbl_H = self.toolbar.height() + 6 + \
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self.table.horizontalHeader().height() + 6
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n = self.table.rowCount();
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if n > VmManagerWindow.max_visible_rows:
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n = VmManagerWindow.max_visible_rows
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for i in range (0, n):
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tbl_H += self.table.rowHeight(i)
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self.setGeometry(self.x(), self.y(), self.x() + tbl_W, self.y() + tbl_H)
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self.counter = 0
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self.shutdown_monitor = {}
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QTimer.singleShot (self.update_interval, self.update_table)
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QTimer.singleShot (self.fw_rules_apply_check_interval, self.check_apply_fw_rules)
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def addActions(self, target, actions):
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for action in actions:
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if action is None:
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target.addSeparator()
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else:
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target.addAction(action)
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def createAction(self, text, slot=None, shortcut=None, icon=None,
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tip=None, checkable=False, signal="triggered()"):
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action = QAction(text, self)
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if icon is not None:
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action.setIcon(QIcon(":/%s.png" % icon))
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if shortcut is not None:
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action.setShortcut(shortcut)
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if tip is not None:
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action.setToolTip(tip)
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action.setStatusTip(tip)
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if slot is not None:
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self.connect(action, SIGNAL(signal), slot)
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if checkable:
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action.setCheckable(True)
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return action
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|
|
|
|
def get_vms_list(self):
|
|
self.qvm_collection.lock_db_for_reading()
|
|
self.qvm_collection.load()
|
|
self.qvm_collection.unlock_db()
|
|
|
|
if self.show_inactive_vms:
|
|
vms_list = [vm for vm in self.qvm_collection.values()]
|
|
else:
|
|
vms_list = [vm for vm in self.qvm_collection.values() if 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 = []
|
|
|
|
for (row_no, vm) in enumerate(vms_list):
|
|
vm_row = VmRowInTable (vm, row_no, self.table)
|
|
vms_in_table.append (vm_row)
|
|
|
|
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 self.reload_table:
|
|
self.fill_table()
|
|
|
|
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.is_running())
|
|
self.action_resumevm.setEnabled(not vm.is_running())
|
|
self.action_pausevm.setEnabled(vm.is_running() and vm.qid != 0)
|
|
self.action_shutdownvm.setEnabled(vm.is_running() and vm.qid != 0)
|
|
self.action_updatevm.setEnabled(vm.is_updateable() and not vm.is_running())
|
|
self.action_editfwrules.setEnabled(vm.is_networked() and (vm.is_appvm() or vm.is_disposablevm()))
|
|
|
|
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):
|
|
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 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()
|
|
|
|
try:
|
|
vm.verify_files()
|
|
xid = vm.start()
|
|
except (IOError, OSError, QubesException) as err:
|
|
QMessageBox.warning (None, "Error starting VM!", "ERROR: {0}".format(err))
|
|
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):
|
|
QMessageBox.warning (None, "Error starting VM!", "ERROR: Cannot start qubes_guid!")
|
|
return
|
|
|
|
def pause_vm(self):
|
|
vm = self.get_selected_vm()
|
|
assert vm.is_running()
|
|
try:
|
|
subprocess.check_call (["/usr/sbin/xm", "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/xm", "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 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 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()
|
|
|
|
def check_apply_fw_rules(self):
|
|
qvm_collection = QubesVmCollection()
|
|
qvm_collection.lock_db_for_reading()
|
|
qvm_collection.load()
|
|
qvm_collection.unlock_db()
|
|
|
|
for vm in qvm_collection.values():
|
|
if vm.is_proxyvm():
|
|
error_file = "/local/domain/{0}/qubes_iptables_error".format(vm.get_xid())
|
|
|
|
error = subprocess.Popen(
|
|
["/usr/bin/xenstore-read", error_file],
|
|
stdout=subprocess.PIPE).communicate()[0]
|
|
error = error.strip(" \n\t")
|
|
if error != "":
|
|
vm.rules_applied = False
|
|
trayIcon.showMessage (
|
|
"Error applying firewall rules on '{0}'!".format(vm.name),
|
|
"ERROR: {0}".format(error.decode('string_escape')),
|
|
QSystemTrayIcon.Critical
|
|
)
|
|
retcode = subprocess.check_call (
|
|
["/usr/bin/xenstore-write", error_file, ""])
|
|
else:
|
|
vm.rules_applied = True
|
|
|
|
QTimer.singleShot(self.fw_rules_apply_check_interval, self.check_apply_fw_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()
|
|
|
|
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
|
|
|