manager/qubesmanager/create_new_vm.py
2017-07-12 15:05:05 +02:00

164 lines
5.2 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 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 os
import sys
import threading
import time
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import qubesadmin
import qubesadmin.tools
import qubesmanager.resources_rc
from . import utils
from .ui_newappvmdlg import Ui_NewVMDlg
from .thread_monitor import ThreadMonitor
class NewVmDlg(QDialog, Ui_NewVMDlg):
def __init__(self, qtapp, app, parent = None):
super(NewVmDlg, self).__init__(parent)
self.setupUi(self)
self.qtapp = qtapp
self.app = app
# 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: isinstance(vm, qubesadmin.vm.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(QRegExpValidator(
QRegExp("[a-zA-Z0-9-]*", Qt.CaseInsensitive), None))
self.name.selectAll()
self.name.setFocus()
if len(self.template_list) == 0:
QMessageBox.warning(None,
self.tr('No template available!'),
self.tr('Cannot create a qube when no template exists.'))
def reject(self):
self.done(0)
def accept(self):
vmclass = ('StandaloneVM' if self.standalone.isChecked() else 'AppVM')
name = str(self.name.text())
try:
self.app.domains[name]
except LookupError:
pass
else:
QMessageBox.warning(None,
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()]
template = self.template_list[self.template_vm.currentIndex()]
properties = {}
properties['provides_network'] = self.provides_network.isChecked()
properties['hvm'] = self.hvm.isChecked()
properties['netvm'] = self.netvm_list[self.netvm.currentIndex()]
thread_monitor = ThreadMonitor()
thread = threading.Thread(target=self.do_create_vm,
args=(self.app, vmclass, name, label, template, properties,
thread_monitor))
thread.daemon = True
thread.start()
progress = QProgressDialog(
self.tr("Creating new qube <b>{}</b>...").format(name), "", 0, 0)
progress.setCancelButton(None)
progress.setModal(True)
progress.show()
while not thread_monitor.is_finished():
self.qtapp.processEvents()
time.sleep (0.1)
progress.hide()
if not thread_monitor.success:
QMessageBox.warning(None,
self.tr("Error creating the qube!"),
self.tr("ERROR: {}").format(thread_monitor.error_msg))
self.done(0)
@staticmethod
def do_create_vm(app, vmclass, name, label, template, properties,
thread_monitor):
try:
vm = app.add_new_vm(vmclass,
name=name, label=label, template=template)
for k, v in properties.items():
setattr(vm, k, v)
except Exception as ex:
thread_monitor.set_error_msg(str(ex))
thread_monitor.set_finished()
parser = qubesadmin.tools.QubesArgumentParser()
def main(args=None):
args = parser.parse_args(args)
qtapp = 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_()