257 lines
9.4 KiB
Python
257 lines
9.4 KiB
Python
#!/usr/bin/python
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# vim: fileencoding=utf-8
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#
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# The Qubes OS Project, https://www.qubes-os.org/
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#
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# Copyright (C) 2014-2015
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# Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
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# Copyright (C) 2015 Wojtek Porczyk <woju@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (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 along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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import os
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import sys
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import qubes
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import qubes.exc
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import qubes.tests
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import qubes.vm.appvm
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import qubes.vm.templatevm
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class TC_00_Backup(qubes.tests.BackupTestsMixin, qubes.tests.QubesTestCase):
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def test_000_basic_backup(self):
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vms = self.create_backup_vms()
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self.make_backup(vms)
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self.remove_vms(reversed(vms))
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self.restore_backup()
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for vm in vms:
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self.assertIn(vm.name, self.app.domains)
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restored_vm = self.app.domains[vm.name]
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for prop in ('name', 'kernel',
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'memory', 'maxmem', 'kernelopts',
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'services', 'vcpus', 'features'
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'include_in_backups', 'default_user', 'qrexec_timeout',
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'autostart', 'pci_strictreset', 'debug',
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'internal'):
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if not hasattr(vm, prop):
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continue
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self.assertEquals(
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getattr(vm, prop), getattr(restored_vm, prop),
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"VM {} - property {} not properly restored".format(
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vm.name, prop))
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for prop in ('netvm', 'template', 'label'):
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if not hasattr(vm, prop):
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continue
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orig_value = getattr(vm, prop)
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restored_value = getattr(restored_vm, prop)
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if orig_value and restored_value:
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self.assertEquals(orig_value.name, restored_value.name,
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"VM {} - property {} not properly restored".format(
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vm.name, prop))
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else:
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self.assertEquals(orig_value, restored_value,
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"VM {} - property {} not properly restored".format(
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vm.name, prop))
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for dev_class in ["pci", "usb"]:
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for dev in vm.devices[dev_class]:
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self.assertIn(dev, restored_vm.devices[dev_class])
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# TODO: compare disk images
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self.remove_vms(reversed(vms))
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def test_001_compressed_backup(self):
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vms = self.create_backup_vms()
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self.make_backup(vms, compressed=True)
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self.remove_vms(reversed(vms))
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self.restore_backup()
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for vm in vms:
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self.assertIn(vm.name, self.app.domains)
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def test_002_encrypted_backup(self):
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vms = self.create_backup_vms()
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self.make_backup(vms, encrypted=True)
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self.remove_vms(reversed(vms))
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self.restore_backup()
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for vm in vms:
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self.assertIn(vm.name, self.app.domains)
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def test_003_compressed_encrypted_backup(self):
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vms = self.create_backup_vms()
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self.make_backup(vms, compressed=True, encrypted=True)
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self.remove_vms(reversed(vms))
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self.restore_backup()
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for vm in vms:
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self.assertIn(vm.name, self.app.domains)
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def test_004_sparse_multipart(self):
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vms = []
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vmname = self.make_vm_name('testhvm2')
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if self.verbose:
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print >>sys.stderr, "-> Creating %s" % vmname
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hvmtemplate = self.app.add_new_vm(
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qubes.vm.templatevm.TemplateVM, name=vmname, hvm=True, label='red')
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hvmtemplate.create_on_disk()
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self.fill_image(
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os.path.join(hvmtemplate.dir_path, '00file'),
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195 * 1024 * 1024 - 4096 * 3)
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self.fill_image(hvmtemplate.volumes['private'].path,
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195 * 1024 * 1024 - 4096 * 3)
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self.fill_image(hvmtemplate.volumes['root'].path, 1024 * 1024 * 1024,
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sparse=True)
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vms.append(hvmtemplate)
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self.app.save()
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self.make_backup(vms)
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self.remove_vms(reversed(vms))
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self.restore_backup()
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for vm in vms:
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self.assertIn(vm.name, self.app.domains)
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# TODO check vm.backup_timestamp
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def test_005_compressed_custom(self):
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vms = self.create_backup_vms()
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self.make_backup(vms, compression_filter="bzip2")
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self.remove_vms(reversed(vms))
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self.restore_backup()
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for vm in vms:
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self.assertIn(vm.name, self.app.domains)
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def test_100_backup_dom0_no_restore(self):
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# do not write it into dom0 home itself...
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os.mkdir('/var/tmp/test-backup')
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self.backupdir = '/var/tmp/test-backup'
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self.make_backup([self.app.domains[0]])
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# TODO: think of some safe way to test restore...
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def test_200_restore_over_existing_directory(self):
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"""
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Regression test for #1386
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:return:
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"""
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vms = self.create_backup_vms()
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self.make_backup(vms)
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self.remove_vms(reversed(vms))
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test_dir = vms[0].dir_path
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os.mkdir(test_dir)
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with open(os.path.join(test_dir, 'some-file.txt'), 'w') as f:
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f.write('test file\n')
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self.restore_backup(
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expect_errors=[
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'*** Directory {} already exists! It has been moved'.format(
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test_dir)
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])
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def test_210_auto_rename(self):
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"""
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Test for #869
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:return:
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"""
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vms = self.create_backup_vms()
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self.make_backup(vms)
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self.restore_backup(options={
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'rename_conflicting': True
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})
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for vm in vms:
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with self.assertNotRaises(
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(qubes.exc.QubesVMNotFoundError, KeyError)):
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restored_vm = self.app.domains[vm.name + '1']
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if vm.netvm and not vm.property_is_default('netvm'):
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self.assertEqual(restored_vm.netvm.name, vm.netvm.name + '1')
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class TC_10_BackupVMMixin(qubes.tests.BackupTestsMixin):
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def setUp(self):
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super(TC_10_BackupVMMixin, self).setUp()
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self.backupvm = self.app.add_new_vm(
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qubes.vm.appvm.AppVM,
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label='red',
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name=self.make_vm_name('backupvm'),
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template=self.template
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)
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self.backupvm.create_on_disk()
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def test_100_send_to_vm_file_with_spaces(self):
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vms = self.create_backup_vms()
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self.backupvm.start()
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self.backupvm.run("mkdir '/var/tmp/backup directory'", wait=True)
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self.make_backup(vms, target_vm=self.backupvm,
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compressed=True, encrypted=True,
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target='/var/tmp/backup directory')
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self.remove_vms(reversed(vms))
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p = self.backupvm.run("ls /var/tmp/backup*/qubes-backup*",
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passio_popen=True)
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(backup_path, _) = p.communicate()
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backup_path = backup_path.strip()
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self.restore_backup(source=backup_path,
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appvm=self.backupvm)
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def test_110_send_to_vm_command(self):
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vms = self.create_backup_vms()
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self.backupvm.start()
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self.make_backup(vms, target_vm=self.backupvm,
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compressed=True, encrypted=True,
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target='dd of=/var/tmp/backup-test')
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self.remove_vms(reversed(vms))
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self.restore_backup(source='dd if=/var/tmp/backup-test',
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appvm=self.backupvm)
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def test_110_send_to_vm_no_space(self):
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"""
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Check whether backup properly report failure when no enough space is
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available
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:return:
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"""
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vms = self.create_backup_vms()
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self.backupvm.start()
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retcode = self.backupvm.run(
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# Debian 7 has too old losetup to handle loop-control device
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"mknod /dev/loop0 b 7 0;"
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"truncate -s 50M /home/user/backup.img && "
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"mkfs.ext4 -F /home/user/backup.img && "
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"mkdir /home/user/backup && "
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"mount /home/user/backup.img /home/user/backup -o loop &&"
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"chmod 777 /home/user/backup",
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user="root", wait=True)
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if retcode != 0:
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raise RuntimeError("Failed to prepare backup directory")
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with self.assertRaises(qubes.exc.QubesException):
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self.make_backup(vms, target_vm=self.backupvm,
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compressed=False, encrypted=True,
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target='/home/user/backup',
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expect_failure=True)
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def load_tests(loader, tests, pattern):
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try:
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app = qubes.Qubes()
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templates = [vm.name for vm in app.domains if
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isinstance(vm, qubes.vm.templatevm.TemplateVM)]
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except OSError:
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templates = []
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for template in templates:
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tests.addTests(loader.loadTestsFromTestCase(
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type(
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'TC_10_BackupVM_' + template,
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(TC_10_BackupVMMixin, qubes.tests.QubesTestCase),
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{'template': template})))
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return tests
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