#!/usr/bin/python2
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2012 Agnieszka Kostrzewa <agnieszka.kostrzewa@gmail.com>
# Copyright (C) 2012 Marek Marczykowski <marmarek@mimuw.edu.pl>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
#
import sys
import os
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qubes.qubes import QubesVmCollection
from qubes.qubes import QubesVmLabels
from qubes.qubes import QubesException
from qubes.qubes import QubesVm,QubesHVm
import qubesmanager.resources_rc
import time
import threading
from ui_newappvmdlg import *
from thread_monitor import *
class NewVmDlg (QDialog, Ui_NewVMDlg):
def __init__(self, app, qvm_collection, trayIcon, parent = None):
super (NewVmDlg, self).__init__(parent)
self.setupUi(self)
self.app = app
self.trayIcon = trayIcon
self.qvm_collection = qvm_collection
# 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
try:
from qubes.qubes import QubesHVm
except ImportError:
pass
else:
self.hvm_radio.setEnabled(True)
self.hvmtpl_radio.setEnabled(True)
self.qvm_collection.lock_db_for_reading()
self.qvm_collection.load()
self.qvm_collection.unlock_db()
self.label_list = QubesVmLabels.values()
self.label_list.sort(key=lambda l: l.index)
for (i, label) in enumerate(self.label_list):
self.vmlabel.insertItem(i, label.name)
self.vmlabel.setItemIcon (i, QIcon(label.icon_path))
self.fill_template_list()
self.fill_netvm_list()
self.vmname.setValidator(QRegExpValidator(QRegExp("[a-zA-Z0-9-]*", Qt.CaseInsensitive), None))
self.vmname.selectAll()
self.vmname.setFocus()
self.hvmtemplatewarningbox.hide()
def fill_template_list(self):
def filter_template(vm):
if vm.internal:
return False
if not vm.is_template():
return False
if self.hvm_radio.isChecked():
return QubesHVm.is_template_compatible(vm)
elif self.hvmtpl_radio.isChecked():
return False
else:
return QubesVm.is_template_compatible(vm)
self.template_vm_list = filter(filter_template, self.qvm_collection.values())
self.template_name.clear()
default_index = 0
for (i, vm) in enumerate(self.template_vm_list):
if vm is self.qvm_collection.get_default_template():
default_index = i
self.template_name.insertItem(i, vm.name + " (default)")
else:
self.template_name.insertItem(i, vm.name)
self.template_name.setCurrentIndex(default_index)
def fill_netvm_list(self):
def filter_netvm(vm):
if vm.internal:
return False
if vm.qid == 0:
return False
if vm.is_netvm():
return True
if vm.is_proxyvm():
return True
else:
return False
self.netvm_list = filter(filter_netvm, self.qvm_collection.values())
self.netvm_name.clear()
default_index = 0
for (i, vm) in enumerate(self.netvm_list):
if vm is self.qvm_collection.get_default_netvm():
default_index = i
self.netvm_name.insertItem(i, vm.name + " (default)")
else:
self.netvm_name.insertItem(i, vm.name)
self.netvm_name.setCurrentIndex(default_index)
def on_allow_networking_toggled(self, checked):
if checked:
self.fill_netvm_list()
self.netvm_name.setEnabled(True)
else:
self.netvm_name.clear()
self.netvm_name.setEnabled(False)
def on_appvm_radio_toggled(self, checked):
if checked:
self.template_name.setEnabled(True)
self.allow_networking.setEnabled(True)
self.netvm_name.setEnabled(self.allow_networking.isChecked())
def on_netvm_radio_toggled(self, checked):
if checked:
self.template_name.setEnabled(True)
self.allow_networking.setChecked(True)
self.allow_networking.setEnabled(False)
self.netvm_name.setEnabled(False)
def on_proxyvm_radio_toggled(self, checked):
if checked:
self.template_name.setEnabled(True)
self.allow_networking.setEnabled(True)
self.netvm_name.setEnabled(self.allow_networking.isChecked())
def on_hvm_radio_toggled(self, checked):
if self.hvm_radio.isChecked() or self.hvmtpl_radio.isChecked():
self.standalone.setChecked(True)
self.allow_networking.setEnabled(True)
self.netvm_name.setEnabled(self.allow_networking.isChecked())
self.standalone.setEnabled(self.hvm_radio.isChecked())
else:
self.standalone.setChecked(False)
self.standalone.setEnabled(True)
self.fill_template_list()
def on_hvmtpl_radio_toggled(self, checked):
return self.on_hvm_radio_toggled(checked)
def on_standalone_toggled(self, checked):
if checked and (self.hvm_radio.isChecked() or
self.hvmtpl_radio.isChecked()):
self.template_name.setEnabled(False)
else:
self.template_name.setEnabled(True)
if not checked and self.hvm_radio.isChecked():
self.hvmtemplatewarningbox.show()
else:
self.hvmtemplatewarningbox.hide()
def reject(self):
self.done(0)
def accept(self):
vmname = str(self.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 = self.label_list[self.vmlabel.currentIndex()]
template_vm = None
if self.template_name.isEnabled():
if len(self.template_vm_list) == 0:
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.")
return
template_vm = self.template_vm_list[self.template_name.currentIndex()]
netvm = None
if self.netvm_name.isEnabled():
netvm = self.netvm_list[self.netvm_name.currentIndex()]
standalone = self.standalone.isChecked()
allow_networking = None
if self.allow_networking.isEnabled():
allow_networking = self.allow_networking.isChecked()
if self.appvm_radio.isChecked():
vmtype = "AppVM"
elif self.netvm_radio.isChecked():
vmtype = "NetVM"
elif self.proxyvm_radio.isChecked():
vmtype = "ProxyVM"
elif self.hvm_radio.isChecked():
vmtype = "HVM"
elif self.hvmtpl_radio.isChecked():
vmtype = "TemplateHVM"
else:
QErrorMessage.showMessage(None, "Error creating AppVM!", "Unknown "
"VM type, this is error in Qubes Manager")
self.done(0)
vmclass = "Qubes" + vmtype.replace("VM", "Vm")
thread_monitor = ThreadMonitor()
thread = threading.Thread (target=self.do_create_vm, args=(vmclass, vmname, label, template_vm, netvm, standalone, allow_networking, thread_monitor))
thread.daemon = True
thread.start()
progress = QProgressDialog ("Creating new {0} <b>{1}</b>...".format(vmtype, vmname), "", 0, 0)
progress.setCancelButton(None)
progress.setModal(True)
progress.show()
while not thread_monitor.is_finished():
self.app.processEvents()
time.sleep (0.1)
progress.hide()
if thread_monitor.success:
self.trayIcon.showMessage(
"VM '{0}' has been created.".format(vmname), msecs=3000)
else:
QMessageBox.warning (None, "Error creating AppVM!", "ERROR: {0}".format(thread_monitor.error_msg))
self.done(0)
@staticmethod
def do_create_vm(vmclass, vmname, label, template_vm, netvm,
standalone, allow_networking, thread_monitor):
vm = None
qc = QubesVmCollection()
qc.lock_db_for_writing()
qc.load()
try:
if not standalone:
vm = qc.add_new_vm(vmclass, name=vmname, template=template_vm,
label=label)
else:
vm = qc.add_new_vm(vmclass, name=vmname, template=None,
label=label)
vm.create_on_disk(verbose=False, source_template=template_vm)
if not allow_networking:
vm.uses_default_netvm = False
vm.netvm = None
else:
vm.netvm = netvm
if vm.netvm.qid == qc.get_default_netvm().qid:
vm.uses_default_netvm = True
else:
vm.uses_default_netvm = False
qc.save()
except Exception as ex:
thread_monitor.set_error_msg(str(ex))
if vm:
vm.remove_from_disk()
qc.pop(vm.qid)
finally:
qc.unlock_db()
thread_monitor.set_finished()