248 lines
7.6 KiB
Python
248 lines
7.6 KiB
Python
#!/usr/bin/python2.6
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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 QubesException
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from qubes.qubes import QubesDaemonPidfile
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from qubes.qubes import QubesHost
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from qubes import qubesutils
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import qubesmanager.resources_rc
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from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent
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import subprocess
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import time
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from thread_monitor import *
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from operator import itemgetter
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from datetime import datetime
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from string import replace
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from ui_backupdlg import *
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from multiselectwidget import *
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from backup_utils import *
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class BackupVMsWindow(Ui_Backup, QWizard):
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__pyqtSignals__ = ("backup_progress(int)",)
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excluded = []
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to_backup = []
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def __init__(self, app, qvm_collection, blk_manager, parent=None):
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super(BackupVMsWindow, self).__init__(parent)
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self.app = app
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self.qvm_collection = qvm_collection
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self.blk_manager = blk_manager
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self.dev_mount_path = None
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self.backup_dir = None
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self.func_output = []
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for vm in self.qvm_collection.values():
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if vm.qid == 0:
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self.vm = vm
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break;
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assert self.vm != None
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self.setupUi(self)
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self.dir_line_edit.setReadOnly(True)
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self.select_vms_widget = MultiSelectWidget(self)
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self.verticalLayout.insertWidget(1, self.select_vms_widget)
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self.connect(self, SIGNAL("currentIdChanged(int)"), self.current_page_changed)
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self.connect(self.dev_combobox, SIGNAL("activated(int)"), self.dev_combobox_activated)
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self.connect(self, SIGNAL("backup_progress(int)"), self.progress_bar.setValue)
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self.select_vms_page.isComplete = self.has_selected_vms
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self.select_dir_page.isComplete = self.has_selected_dir
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#FIXME
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#this causes to run isComplete() twice, I don't know why
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self.select_vms_page.connect(self.select_vms_widget, SIGNAL("selected_changed()"), SIGNAL("completeChanged()"))
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self.__fill_vms_list__()
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fill_devs_list(self)
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def __fill_vms_list__(self):
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for vm in self.qvm_collection.values():
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if vm.is_running() and vm.qid != 0:
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self.excluded.append(vm.name)
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continue
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if vm.is_appvm() and vm.internal:
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self.excluded.append(vm.name)
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continue
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if vm.is_template() and vm.installed_by_rpm:
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self.excluded.append(vm.name)
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continue
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self.to_backup.append(vm.name)
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self.select_vms_widget.available_list.addItem(vm.name)
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def dev_combobox_activated(self, idx):
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dev_combobox_activated(self, idx)
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@pyqtSlot(name='on_select_path_button_clicked')
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def select_path_button_clicked(self):
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select_path_button_clicked(self)
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def validateCurrentPage(self):
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if self.currentPage() is self.select_vms_page:
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for i in range(self.select_vms_widget.available_list.count()):
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vmname = self.select_vms_widget.available_list.item(i).text()
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self.excluded.append(vmname)
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return True
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def gather_output(self, s):
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self.func_output.append(s)
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def update_progress_bar(self, value):
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self.emit(SIGNAL("backup_progress(int)"), value)
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def __do_backup__(self, thread_monitor):
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msg = []
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try:
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qubesutils.backup_do(str(self.backup_dir), self.files_to_backup, self.update_progress_bar)
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#simulate_long_lasting_proces(10, self.update_progress_bar)
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except Exception as ex:
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msg.append(str(ex))
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if len(msg) > 0 :
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thread_monitor.set_error_msg('\n'.join(msg))
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thread_monitor.set_finished()
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def current_page_changed(self, id):
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if self.currentPage() is self.confirm_page:
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del self.func_output[:]
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self.files_to_backup = qubesutils.backup_prepare(str(self.backup_dir), exclude_list = self.excluded, print_callback = self.gather_output)
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self.textEdit.setReadOnly(True)
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self.textEdit.setFontFamily("Monospace")
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self.textEdit.setText("\n".join(self.func_output))
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elif self.currentPage() is self.commit_page:
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self.button(self.CancelButton).setDisabled(True)
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self.button(self.FinishButton).setDisabled(True)
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self.thread_monitor = ThreadMonitor()
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thread = threading.Thread (target= self.__do_backup__ , args=(self.thread_monitor,))
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thread.daemon = True
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thread.start()
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while not self.thread_monitor.is_finished():
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self.app.processEvents()
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time.sleep (0.1)
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if not self.thread_monitor.success:
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QMessageBox.warning (None, "Backup error!", "ERROR: {1}".format(self.vm.name, self.thread_monitor.error_msg))
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if self.dev_mount_path != None:
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umount_device(self.dev_mount_path)
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self.button(self.FinishButton).setEnabled(True)
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def reject(self):
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if self.dev_mount_path != None:
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umount_device(self.dev_mount_path)
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self.done(0)
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def has_selected_vms(self):
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return self.select_vms_widget.selected_list.count() > 0
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def has_selected_dir(self):
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return self.backup_dir != None
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# Bases on the original code by:
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# Copyright (c) 2002-2007 Pascal Varet <p.varet@gmail.com>
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def handle_exception( exc_type, exc_value, exc_traceback ):
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import sys
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import os.path
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import traceback
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filename, line, dummy, dummy = traceback.extract_tb( exc_traceback ).pop()
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filename = os.path.basename( filename )
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error = "%s: %s" % ( exc_type.__name__, exc_value )
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QMessageBox.critical(None, "Houston, we have a problem...",
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"Whoops. A critical error has occured. This is most likely a bug "
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"in Qubes Restore VMs application.<br><br>"
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"<b><i>%s</i></b>" % error +
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"at <b>line %d</b> of file <b>%s</b>.<br/><br/>"
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% ( line, filename ))
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def main():
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global qubes_host
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qubes_host = QubesHost()
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global app
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app = QApplication(sys.argv)
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app.setOrganizationName("The Qubes Project")
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app.setOrganizationDomain("http://qubes-os.org")
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app.setApplicationName("Qubes Backup VMs")
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sys.excepthook = handle_exception
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qvm_collection = QubesVmCollection()
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qvm_collection.lock_db_for_reading()
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qvm_collection.load()
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qvm_collection.unlock_db()
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global backup_window
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backup_window = BackupVMsWindow()
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backup_window.show()
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app.exec_()
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app.exit()
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if __name__ == "__main__":
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main()
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