manager/qubesmanager/create_new_vm.py
Marta Marczykowska-Górecka e79724f9db
Update Qt version used in qubesmanager to Qt5
Fixed dependencies, places where obsolete functions stopped working,
code fragments that started throwing warnings and an .ui file that
stopped being readable after the update.
2019-05-30 21:33:49 +02:00

241 lines
8.4 KiB
Python

#!/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>
# Copyright (C) 2017 Wojtek Porczyk <woju@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 Lesser General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
#
#
import sys
import subprocess
from PyQt5 import QtCore, QtWidgets, QtGui # pylint: disable=import-error
import qubesadmin
import qubesadmin.tools
import qubesadmin.exc
from . import utils
from .ui_newappvmdlg import Ui_NewVMDlg # pylint: disable=import-error
# pylint: disable=too-few-public-methods
class CreateVMThread(QtCore.QThread):
def __init__(self, app, vmclass, name, label, template, properties):
QtCore.QThread.__init__(self)
self.app = app
self.vmclass = vmclass
self.name = name
self.label = label
self.template = template
self.properties = properties
self.msg = None
def run(self):
try:
if self.vmclass == 'StandaloneVM' and self.template is not None:
if self.template is qubesadmin.DEFAULT:
src_vm = self.app.default_template
else:
src_vm = self.template
vm = self.app.clone_vm(src_vm, self.name, self.vmclass,
ignore_volumes=['private'])
vm.label = self.label
for k, v in self.properties.items():
setattr(vm, k, v)
else:
vm = self.app.add_new_vm(
self.vmclass, name=self.name,
label=self.label, template=self.template)
for k, v in self.properties.items():
setattr(vm, k, v)
except qubesadmin.exc.QubesException as qex:
self.msg = str(qex)
except Exception as ex: # pylint: disable=broad-except
self.msg = repr(ex)
class NewVmDlg(QtWidgets.QDialog, Ui_NewVMDlg):
def __init__(self, qtapp, app, parent=None):
super(NewVmDlg, self).__init__(parent)
self.setupUi(self)
self.qtapp = qtapp
self.app = app
self.thread = None
self.progress = None
# 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.label_list, self.label_idx = utils.prepare_label_choice(
self.label,
self.app, None,
None,
allow_default=False)
self.template_list, self.template_idx = utils.prepare_vm_choice(
self.template_vm,
self.app, None,
self.app.default_template,
(lambda vm: vm.klass == 'TemplateVM'),
allow_internal=False, allow_default=True, allow_none=False)
self.netvm_list, self.netvm_idx = utils.prepare_vm_choice(
self.netvm,
self.app, None,
self.app.default_netvm,
(lambda vm: vm.provides_network),
allow_internal=False, allow_default=True, allow_none=True)
self.name.setValidator(QtGui.QRegExpValidator(
QtCore.QRegExp("[a-zA-Z0-9_-]*", QtCore.Qt.CaseInsensitive), None))
self.name.selectAll()
self.name.setFocus()
if not self.template_list:
QtWidgets.QMessageBox.warning(
self,
self.tr('No template available!'),
self.tr('Cannot create a qube when no template exists.'))
# Order of types is important and used elsewhere; if it's changed
# check for changes needed in self.type_change
type_list = [self.tr("Qube based on a template (AppVM)"),
self.tr("Standalone qube copied from a template"),
self.tr("Empty standalone qube (install your own OS)")]
self.vm_type.addItems(type_list)
self.vm_type.currentIndexChanged.connect(self.type_change)
self.launch_settings.stateChanged.connect(self.settings_change)
self.install_system.stateChanged.connect(self.install_change)
def reject(self):
self.done(0)
def accept(self):
vmclass = ('AppVM' if self.vm_type.currentIndex() == 0
else 'StandaloneVM')
name = str(self.name.text())
try:
self.app.domains[name]
except LookupError:
pass
else:
QtWidgets.QMessageBox.warning(
self,
self.tr('Incorrect qube name!'),
self.tr('A qube with the name <b>{}</b> already exists in the '
'system!').format(name))
return
label = self.label_list[self.label.currentIndex()]
if self.template_vm.currentIndex() == -1:
template = None
else:
template = self.template_list[self.template_vm.currentIndex()]
properties = {'provides_network': self.provides_network.isChecked()}
if self.netvm.currentIndex() != 0:
properties['netvm'] = self.netvm_list[self.netvm.currentIndex()]
if self.install_system.isChecked():
properties['virt_mode'] = 'hvm'
properties['kernel'] = None
self.thread = CreateVMThread(
self.app, vmclass, name, label, template, properties)
self.thread.finished.connect(self.create_finished)
self.thread.start()
self.progress = QtWidgets.QProgressDialog(
self.tr("Creating new qube <b>{}</b>...").format(name), "", 0, 0)
self.progress.setCancelButton(None)
self.progress.setModal(True)
self.progress.show()
def create_finished(self):
self.progress.hide()
if self.thread.msg:
QtWidgets.QMessageBox.warning(
self,
self.tr("Error creating the qube!"),
self.tr("ERROR: {}").format(self.thread.msg))
self.done(0)
if not self.thread.msg:
if self.launch_settings.isChecked():
subprocess.check_call(['qubes-vm-settings',
str(self.name.text())])
if self.install_system.isChecked():
subprocess.check_call(
['qubes-vm-boot-from-device', str(self.name.text())])
def type_change(self):
# AppVM
if self.vm_type.currentIndex() == 0:
self.template_vm.setEnabled(True)
self.template_vm.setCurrentIndex(0)
self.install_system.setEnabled(False)
self.install_system.setChecked(False)
# Standalone - based on a template
if self.vm_type.currentIndex() == 1:
self.template_vm.setEnabled(True)
self.template_vm.setCurrentIndex(0)
self.install_system.setEnabled(False)
self.install_system.setChecked(False)
# Standalone - not based on a template
if self.vm_type.currentIndex() == 2:
self.template_vm.setEnabled(False)
self.template_vm.setCurrentIndex(-1)
self.install_system.setEnabled(True)
self.install_system.setChecked(True)
def install_change(self):
if self.install_system.isChecked():
self.launch_settings.setChecked(False)
def settings_change(self):
if self.launch_settings.isChecked() and self.install_system.isEnabled():
self.install_system.setChecked(False)
parser = qubesadmin.tools.QubesArgumentParser()
def main(args=None):
args = parser.parse_args(args)
qtapp = QtWidgets.QApplication(sys.argv)
qtapp.setOrganizationName('Invisible Things Lab')
qtapp.setOrganizationDomain('https://www.qubes-os.org/')
qtapp.setApplicationName('Create qube')
dialog = NewVmDlg(qtapp, args.app)
dialog.exec_()