manager/qubesmanager/create_new_vm.py
Marek Marczykowski-Górecki 2f48fb33a3
create_new_vm: enable/disable "install system" option on template change
When choosing StandaloneVM type, the option to install a system should
be enabled when empty source template is set. Fix this when choosing VM
type first and only then changing template to empty.
2021-01-09 05:53:53 +01:00

336 lines
12 KiB
Python

#!/usr/bin/python3
#
# 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 os
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,
pool):
QtCore.QThread.__init__(self)
self.app = app
self.vmclass = vmclass
self.name = name
self.label = label
self.template = template
self.properties = properties
self.pool = pool
self.msg = None
def run(self):
try:
if self.vmclass == 'TemplateVM' and self.template is not None:
args = {}
if self.pool:
args['pool'] = self.pool
vm = self.app.clone_vm(self.template, self.name,
self.vmclass, **args)
vm.label = self.label
elif self.vmclass == 'StandaloneVM' and self.template is not None:
args = {
'ignore_volumes': ['private']
}
if self.pool:
args['pool'] = self.pool
vm = self.app.clone_vm(self.template, self.name,
self.vmclass, **args)
vm.label = self.label
else:
args = {
"name": self.name,
"label": self.label,
"template": self.template
}
if self.pool:
args['pool'] = self.pool
vm = self.app.add_new_vm(self.vmclass, **args)
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().__init__(parent)
self.setupUi(self)
self.qtapp = qtapp
self.app = app
self.thread = None
self.progress = None
utils.initialize_widget_with_labels(
widget=self.label,
qubes_app=self.app)
utils.initialize_widget_with_vms(
widget=self.template_vm,
qubes_app=self.app,
filter_function=(lambda vm: not utils.is_internal(vm) and
vm.klass == 'TemplateVM'),
allow_none=True)
default_template = self.app.default_template
for i in range(self.template_vm.count()):
if self.template_vm.itemData(i) == default_template:
self.template_vm.setCurrentIndex(i)
self.template_vm.setItemText(
i, str(default_template) + " (default)")
self.template_type = "template"
utils.initialize_widget_with_default(
widget=self.netvm,
choices=[(vm.name, vm) for vm in self.app.domains
if not utils.is_internal(vm) and
getattr(vm, 'provides_network', False)],
add_none=True,
add_qubes_default=True,
default_value=getattr(self.app, 'default_netvm', None))
try:
utils.initialize_widget_with_default(
widget=self.storage_pool,
choices=[(str(pool), pool) for pool in self.app.pools.values()],
add_qubes_default=True,
mark_existing_as_default=True,
default_value=self.app.default_pool)
except qubesadmin.exc.QubesDaemonAccessError:
self.storage_pool.clear()
self.storage_pool.addItem("(default)", qubesadmin.DEFAULT)
self.name.setValidator(QtGui.QRegExpValidator(
QtCore.QRegExp("[a-zA-Z0-9_-]*", QtCore.Qt.CaseInsensitive), None))
self.name.selectAll()
self.name.setFocus()
if self.template_vm.count() < 1:
QtWidgets.QMessageBox.warning(
self,
self.tr('No template available!'),
self.tr('Cannot create a qube when no template exists.'))
type_list = [
(self.tr("AppVM (persistent home, volatile root)"), 'AppVM'),
(self.tr("TemplateVM (template home, persistent root)"),
'TemplateVM'),
(self.tr("StandaloneVM (fully persistent)"), 'StandaloneVM'),
(self.tr("DisposableVM (fully volatile)"), 'DispVM')]
utils.initialize_widget(widget=self.vm_type,
choices=type_list,
selected_value='AppVM',
add_current_label=False)
self.vm_type.currentIndexChanged.connect(self.type_change)
self.template_vm.currentIndexChanged.connect(self.template_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 = self.vm_type.currentData()
name = str(self.name.text())
if name in self.app.domains:
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.currentData()
template = self.template_vm.currentData()
if vmclass in ['AppVM', 'DispVM'] and template is None:
QtWidgets.QMessageBox.warning(
self,
self.tr('Unspecified template'),
self.tr('{}s must be based on a template!'.format(vmclass)))
return
properties = {'provides_network': self.provides_network.isChecked()}
if self.netvm.currentIndex() != 0:
properties['netvm'] = self.netvm.currentData()
# Standalone - not based on a template
if vmclass == 'StandaloneVM' and template is None:
properties['virt_mode'] = 'hvm'
properties['kernel'] = None
if self.storage_pool.currentData() is not qubesadmin.DEFAULT:
pool = self.storage_pool.currentData()
else:
pool = None
if self.init_ram.value() > 0:
properties['memory'] = self.init_ram.value()
self.thread = CreateVMThread(
self.app, vmclass, name, label, template, properties, pool)
self.thread.finished.connect(self.create_finished)
self.thread.start()
self.progress = QtWidgets.QProgressDialog(
self.tr("Creating new qube <b>{0}</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: {0}").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):
template = self.template_vm.currentData()
klass = self.vm_type.currentData()
if klass in ['TemplateVM', 'StandaloneVM'] and template is None:
self.install_system.setEnabled(True)
self.install_system.setChecked(True)
else:
self.install_system.setEnabled(False)
self.install_system.setChecked(False)
if klass == 'DispVM':
self.template_vm.clear()
for vm in self.app.domains:
if utils.is_internal(vm):
continue
if vm.klass != 'AppVM':
continue
if getattr(vm, 'template_for_dispvms', True):
self.template_vm.addItem(vm.name, userData=vm)
self.template_vm.insertItem(self.template_vm.count(),
utils.translate("(none)"), None)
self.template_vm.setCurrentIndex(0)
self.template_type = "dispvm"
elif self.template_type == "dispvm":
self.template_vm.clear()
for vm in self.app.domains:
if utils.is_internal(vm):
continue
if vm.klass == 'TemplateVM':
self.template_vm.addItem(vm.name, userData=vm)
self.template_vm.insertItem(self.template_vm.count(),
utils.translate("(none)"), None)
self.template_vm.setCurrentIndex(0)
self.template_type = "template"
def template_change(self):
template = self.template_vm.currentData()
klass = self.vm_type.currentData()
if klass in ['TemplateVM', 'StandaloneVM'] and template is None:
self.install_system.setEnabled(True)
self.install_system.setChecked(True)
else:
self.install_system.setEnabled(False)
self.install_system.setChecked(False)
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)
translator = QtCore.QTranslator(qtapp)
locale = QtCore.QLocale.system().name()
i18n_dir = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
'i18n')
translator.load("qubesmanager_{!s}.qm".format(locale), i18n_dir)
qtapp.installTranslator(translator)
QtCore.QCoreApplication.installTranslator(translator)
qtapp.setOrganizationName('Invisible Things Lab')
qtapp.setOrganizationDomain('https://www.qubes-os.org/')
qtapp.setApplicationName(QtCore.QCoreApplication.translate(
"appname", 'Create qube'))
dialog = NewVmDlg(qtapp, args.app)
dialog.exec_()