290 lines
10 KiB
Python
290 lines
10 KiB
Python
#!/usr/bin/python2
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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) 2012 Agnieszka Kostrzewa <agnieszka.kostrzewa@gmail.com>
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# Copyright (C) 2012 Marek Marczykowski <marmarek@mimuw.edu.pl>
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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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import os
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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 QubesVmLabels
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from qubes.qubes import QubesException
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from qubes.qubes import QubesVm,QubesHVm
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import qubesmanager.resources_rc
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import time
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import threading
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from ui_newappvmdlg import *
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from thread_monitor import *
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class NewVmDlg (QDialog, Ui_NewVMDlg):
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def __init__(self, app, qvm_collection, trayIcon, parent = None):
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super (NewVmDlg, self).__init__(parent)
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self.setupUi(self)
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self.app = app
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self.trayIcon = trayIcon
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self.qvm_collection = qvm_collection
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# Theoretically we should be locking for writing here and unlock
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# only after the VM creation finished. But the code would be more messy...
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# Instead we lock for writing in the actual worker thread
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try:
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from qubes.qubes import QubesHVm
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except ImportError:
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pass
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else:
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self.hvm_radio.setEnabled(True)
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self.hvmtpl_radio.setEnabled(True)
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self.qvm_collection.lock_db_for_reading()
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self.qvm_collection.load()
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self.qvm_collection.unlock_db()
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self.label_list = QubesVmLabels.values()
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self.label_list.sort(key=lambda l: l.index)
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for (i, label) in enumerate(self.label_list):
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self.vmlabel.insertItem(i, label.name)
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self.vmlabel.setItemIcon (i, QIcon(label.icon_path))
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self.fill_template_list()
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self.fill_netvm_list()
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self.vmname.setValidator(QRegExpValidator(QRegExp("[a-zA-Z0-9-]*", Qt.CaseInsensitive), None))
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self.vmname.selectAll()
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self.vmname.setFocus()
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self.hvmtemplatewarningbox.hide()
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def fill_template_list(self):
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def filter_template(vm):
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if vm.internal:
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return False
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if not vm.is_template():
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return False
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if self.hvm_radio.isChecked():
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return QubesHVm.is_template_compatible(vm)
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elif self.hvmtpl_radio.isChecked():
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return False
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else:
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return QubesVm.is_template_compatible(vm)
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self.template_vm_list = filter(filter_template, self.qvm_collection.values())
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self.template_name.clear()
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default_index = 0
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for (i, vm) in enumerate(self.template_vm_list):
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if vm is self.qvm_collection.get_default_template():
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default_index = i
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self.template_name.insertItem(i, vm.name + " (default)")
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else:
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self.template_name.insertItem(i, vm.name)
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self.template_name.setCurrentIndex(default_index)
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def fill_netvm_list(self):
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def filter_netvm(vm):
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if vm.internal:
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return False
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if vm.qid == 0:
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return False
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if vm.is_netvm():
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return True
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if vm.is_proxyvm():
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return True
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else:
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return False
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self.netvm_list = filter(filter_netvm, self.qvm_collection.values())
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self.netvm_name.clear()
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default_index = 0
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for (i, vm) in enumerate(self.netvm_list):
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if vm is self.qvm_collection.get_default_netvm():
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default_index = i
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self.netvm_name.insertItem(i, vm.name + " (default)")
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else:
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self.netvm_name.insertItem(i, vm.name)
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self.netvm_name.setCurrentIndex(default_index)
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def on_allow_networking_toggled(self, checked):
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if checked:
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self.fill_netvm_list()
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self.netvm_name.setEnabled(True)
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else:
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self.netvm_name.clear()
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self.netvm_name.setEnabled(False)
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def on_appvm_radio_toggled(self, checked):
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if checked:
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self.template_name.setEnabled(True)
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self.allow_networking.setEnabled(True)
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self.netvm_name.setEnabled(self.allow_networking.isChecked())
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def on_netvm_radio_toggled(self, checked):
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if checked:
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self.template_name.setEnabled(True)
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self.allow_networking.setChecked(True)
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self.allow_networking.setEnabled(False)
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self.netvm_name.setEnabled(False)
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def on_proxyvm_radio_toggled(self, checked):
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if checked:
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self.template_name.setEnabled(True)
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self.allow_networking.setEnabled(True)
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self.netvm_name.setEnabled(self.allow_networking.isChecked())
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def on_hvm_radio_toggled(self, checked):
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if self.hvm_radio.isChecked() or self.hvmtpl_radio.isChecked():
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self.standalone.setChecked(True)
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self.allow_networking.setEnabled(True)
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self.netvm_name.setEnabled(self.allow_networking.isChecked())
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self.standalone.setEnabled(self.hvm_radio.isChecked())
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else:
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self.standalone.setChecked(False)
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self.standalone.setEnabled(True)
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self.fill_template_list()
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def on_hvmtpl_radio_toggled(self, checked):
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return self.on_hvm_radio_toggled(checked)
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def on_standalone_toggled(self, checked):
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if checked and (self.hvm_radio.isChecked() or
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self.hvmtpl_radio.isChecked()):
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self.template_name.setEnabled(False)
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else:
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self.template_name.setEnabled(True)
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if not checked and self.hvm_radio.isChecked():
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self.hvmtemplatewarningbox.show()
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else:
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self.hvmtemplatewarningbox.hide()
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def reject(self):
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self.done(0)
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def accept(self):
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vmname = str(self.vmname.text())
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if self.qvm_collection.get_vm_by_name(vmname) is not None:
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QMessageBox.warning (None, "Incorrect AppVM Name!", "A VM with the name <b>{0}</b> already exists in the system!".format(vmname))
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return
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label = self.label_list[self.vmlabel.currentIndex()]
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template_vm = None
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if self.template_name.isEnabled():
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if len(self.template_vm_list) == 0:
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QMessageBox.warning (None, "No template available!", "Cannot create non-standalone VM when no compatible template exists. Create template VM first or choose to create standalone VM.")
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return
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template_vm = self.template_vm_list[self.template_name.currentIndex()]
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netvm = None
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if self.netvm_name.isEnabled():
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netvm = self.netvm_list[self.netvm_name.currentIndex()]
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standalone = self.standalone.isChecked()
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allow_networking = None
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if self.allow_networking.isEnabled():
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allow_networking = self.allow_networking.isChecked()
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if self.appvm_radio.isChecked():
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vmtype = "AppVM"
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elif self.netvm_radio.isChecked():
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vmtype = "NetVM"
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elif self.proxyvm_radio.isChecked():
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vmtype = "ProxyVM"
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elif self.hvm_radio.isChecked():
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vmtype = "HVM"
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elif self.hvmtpl_radio.isChecked():
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vmtype = "TemplateHVM"
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else:
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QErrorMessage.showMessage(None, "Error creating AppVM!", "Unknown "
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"VM type, this is error in Qubes Manager")
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self.done(0)
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vmclass = "Qubes" + vmtype.replace("VM", "Vm")
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thread_monitor = ThreadMonitor()
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thread = threading.Thread (target=self.do_create_vm, args=(vmclass, vmname, label, template_vm, netvm, standalone, allow_networking, thread_monitor))
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thread.daemon = True
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thread.start()
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progress = QProgressDialog ("Creating new {0} <b>{1}</b>...".format(vmtype, vmname), "", 0, 0)
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progress.setCancelButton(None)
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progress.setModal(True)
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progress.show()
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while not thread_monitor.is_finished():
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self.app.processEvents()
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time.sleep (0.1)
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progress.hide()
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if thread_monitor.success:
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self.trayIcon.showMessage(
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"VM '{0}' has been created.".format(vmname), msecs=3000)
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else:
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QMessageBox.warning (None, "Error creating AppVM!", "ERROR: {0}".format(thread_monitor.error_msg))
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self.done(0)
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def do_create_vm (self, vmclass, vmname, label, template_vm, netvm, standalone, allow_networking, thread_monitor):
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vm = None
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try:
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self.qvm_collection.lock_db_for_writing()
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self.qvm_collection.load()
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if not standalone:
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vm = self.qvm_collection.add_new_vm(vmclass, name=vmname, template=template_vm, label=label)
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else:
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vm = self.qvm_collection.add_new_vm(vmclass, name=vmname, template=None, label=label)
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vm.create_on_disk(verbose=False, source_template = template_vm)
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if allow_networking == False:
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vm.uses_default_netvm = False
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vm.netvm = None
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else:
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vm.netvm = netvm
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if vm.netvm == self.qvm_collection.get_default_netvm():
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vm.uses_default_netvm = True
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else:
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vm.uses_default_netvm = False
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self.qvm_collection.save()
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except Exception as ex:
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thread_monitor.set_error_msg (str(ex))
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if vm:
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vm.remove_from_disk()
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self.qvm_collection.pop(vm.qid)
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finally:
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self.qvm_collection.unlock_db()
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thread_monitor.set_finished()
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