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- #!/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 firewall import EditFwRulesDlg, QubesFirewallRulesModel
- from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent
- import subprocess
- import time
- import threading
- class QubesConfigFileWatcher(ProcessEvent):
- def __init__ (self, update_func):
- self.update_func = update_func
- pass
- def process_IN_CLOSE_WRITE (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.is_running()
- def update(self):
- if self.previous_power_state != self.vm.is_running():
- (icon_pixmap, icon_sz) = self.set_vm_icon(self.vm)
- self.setPixmap (icon_pixmap)
- self.setFixedSize (icon_sz)
- self.previous_power_state = self.vm.is_running()
- 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_templete():
- 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.is_running():
- 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()
- label_name = QLabel (vm.name)
- self.vm_running = vm.is_running()
- layout0.addWidget(label_name, alignment=Qt.AlignLeft)
- layout1 = QHBoxLayout()
- if vm.is_appvm() or vm.is_disposablevm():
- label_tmpl = QLabel ("<i><font color=\"gray\">" + vm.template_vm.name + "</i></font>")
- elif vm.is_templete():
- label_tmpl = QLabel ("<i><font color=\"gray\">TemplateVM</i></font>")
- elif vm.qid == 0:
- label_tmpl = QLabel ("<i><font color=\"gray\">AdminVM</i></font>")
- elif vm.is_netvm():
- label_tmpl = QLabel ("<i><font color=\"gray\">NetVM</i></font>")
- else:
- 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(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)
- 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()
- class VmUsageWidget (QWidget):
- def __init__(self, vm, 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(100)
- 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)
- def update_load(self, vm):
- self.cpu_load = vm.get_cpu_total_load() if vm.is_running() else 0
- assert self.cpu_load >= 0 and self.cpu_load <= 100, "load = {0}".format(self.load)
- self.mem_load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0
- assert self.mem_load >= 0 and self.mem_load <= 100, "mem = {0}".format(self.load)
- 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, parent = None):
- super (LoadChartWidget, self).__init__(parent)
- self.load = vm.get_cpu_total_load() if vm.is_running() 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):
- self.load = vm.get_cpu_total_load() if vm.is_running() 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.is_running() 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.is_running() 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):
- self.info_widget.update_vm_state(self.vm)
- if counter % 3 == 0:
- self.usage_widget.update_load(self.vm)
- self.load_widget.update_load(self.vm)
- self.mem_widget.update_load(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():
- 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/Resusme 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_updatevm = self.createAction ("Update VM", slot=None,
- icon="updateable", tip="Update VM (only for 'updateable' VMs, e.g. templates)")
- self.action_showallvms = self.createAction ("Show/Hide Inactive VMs", slot=None, 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="showcpuload", 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_updatevm.setDisabled(True)
- 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_pausevm, self.action_shutdownvm,
- self.action_updatevm, self.action_editfwrules,
- None,
- self.action_showcpuload,
- ))
- 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)
- self.fill_table()
- tbl_W = self.get_minimum_table_width()
- # 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.setGeometry(self.x(), self.y(), self.x() + tbl_W, self.y() + tbl_H)
- self.counter = 0
- self.shutdown_monitor = {}
- QTimer.singleShot (self.update_interval, self.update_table)
- 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()
- 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_templete():
- 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_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_templete()]
- 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()]
- thread_monitor = ThreadMonitor()
- thread = threading.Thread (target=self.do_create_appvm, args=(vmname, label, template_vm, 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, thread_monitor):
- 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()
- self.qvm_collection.save()
- except Exception as ex:
- thread_monitor.set_error_msg (str(ex))
- 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_templete():
- 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_templete() 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):
- pass
- def pause_vm(self):
- pass
- 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 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 dialog.exec_():
- model.apply_rules()
- QTimer.singleShot(5000, self.check_apply_fw_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_fwvm():
- 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]
- if error != "":
- 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, ""])
- 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:
- show_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 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_CLOSE_WRITE')
- 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
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