tests: LVM: import, list_volumes, volatile volume, snapshot volume
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Marek Marczykowski-Górecki
parent
76c872a43a
commit
4282a41fcb
@ -708,6 +708,229 @@ class TC_00_ThinPool(ThinPoolBase):
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volume.remove()
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def test_032_import_volume_same_pool(self):
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'''Import volume from the same pool'''
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# source volume
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config = {
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'name': 'root',
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'pool': self.pool.name,
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'save_on_stop': True,
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'rw': True,
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'revisions_to_keep': 2,
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'size': qubes.config.defaults['root_img_size'],
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}
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vm = qubes.tests.storage.TestVM(self)
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source_volume = self.app.get_pool(self.pool.name).init_volume(vm, config)
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source_volume.create()
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source_uuid = self._get_lv_uuid(source_volume.path)
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# destination volume
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config = {
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'name': 'root2',
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'pool': self.pool.name,
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'save_on_stop': True,
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'rw': True,
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'revisions_to_keep': 2,
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'size': qubes.config.defaults['root_img_size'],
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}
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volume = self.app.get_pool(self.pool.name).init_volume(vm, config)
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volume.log = unittest.mock.Mock()
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with unittest.mock.patch('time.time') as mock_time:
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mock_time.side_effect = [1521065905]
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volume.create()
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self.assertEqual(volume.revisions, {})
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uuid_before = self._get_lv_uuid(volume.path)
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with unittest.mock.patch('time.time') as mock_time:
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mock_time.side_effect = [1521065906]
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self.loop.run_until_complete(
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volume.import_volume(source_volume))
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uuid_after = self._get_lv_uuid(volume.path)
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self.assertNotEqual(uuid_after, uuid_before)
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# also should be different than source volume (clone, not the same LV)
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self.assertNotEqual(uuid_after, source_uuid)
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self.assertEqual(self._get_lv_origin_uuid(volume.path), source_uuid)
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expected_revisions = {
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'1521065906-back': '2018-03-14T22:18:26',
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}
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self.assertEqual(volume.revisions, expected_revisions)
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volume.remove()
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source_volume.remove()
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def test_033_import_volume_different_pool(self):
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'''Import volume from a different pool'''
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source_volume = unittest.mock.Mock()
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# destination volume
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config = {
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'name': 'root2',
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'pool': self.pool.name,
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'save_on_stop': True,
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'rw': True,
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'revisions_to_keep': 2,
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'size': qubes.config.defaults['root_img_size'],
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}
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vm = qubes.tests.storage.TestVM(self)
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volume = self.app.get_pool(self.pool.name).init_volume(vm, config)
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volume.log = unittest.mock.Mock()
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with unittest.mock.patch('time.time') as mock_time:
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mock_time.side_effect = [1521065905]
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volume.create()
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self.assertEqual(volume.revisions, {})
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uuid_before = self._get_lv_uuid(volume.path)
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with tempfile.NamedTemporaryFile() as source_volume_file:
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source_volume_file.write(b'test-content')
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source_volume_file.flush()
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source_volume.size = 16 * 1024 * 1024 # 16MiB
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source_volume.export.return_value = source_volume_file.name
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with unittest.mock.patch('time.time') as mock_time:
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mock_time.side_effect = [1521065906]
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self.loop.run_until_complete(
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volume.import_volume(source_volume))
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uuid_after = self._get_lv_uuid(volume.path)
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self.assertNotEqual(uuid_after, uuid_before)
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self.assertEqual(volume.size, 16 * 1024 * 1024)
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volume_content = subprocess.check_output(['sudo', 'cat', volume.path])
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self.assertEqual(volume_content.rstrip(b'\0'), b'test-content')
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expected_revisions = {
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'1521065906-back': '2018-03-14T22:18:26',
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}
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self.assertEqual(volume.revisions, expected_revisions)
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volume.remove()
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def test_040_volatile(self):
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'''Volatile volume test'''
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config = {
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'name': 'volatile',
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'pool': self.pool.name,
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'rw': True,
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'size': qubes.config.defaults['root_img_size'],
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}
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vm = qubes.tests.storage.TestVM(self)
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volume = self.app.get_pool(self.pool.name).init_volume(vm, config)
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# volatile volume don't need any file, verify should succeed
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self.assertTrue(volume.verify())
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volume.create()
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self.assertTrue(volume.verify())
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self.assertFalse(volume.save_on_stop)
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self.assertFalse(volume.snap_on_start)
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path = volume.path
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self.assertEqual(path, '/dev/' + volume.vid)
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self.assertFalse(os.path.exists(path))
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volume.start()
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self.assertTrue(os.path.exists(path))
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vol_uuid = self._get_lv_uuid(path)
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volume.start()
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self.assertTrue(os.path.exists(path))
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vol_uuid2 = self._get_lv_uuid(path)
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self.assertNotEqual(vol_uuid, vol_uuid2)
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volume.stop()
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self.assertFalse(os.path.exists(path))
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def test_050_snapshot_volume(self):
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''' Test snapshot volume creation '''
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config_origin = {
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'name': 'root',
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'pool': self.pool.name,
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'save_on_stop': True,
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'rw': True,
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'size': qubes.config.defaults['root_img_size'],
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}
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vm = qubes.tests.storage.TestVM(self)
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volume_origin = self.app.get_pool(self.pool.name).init_volume(
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vm, config_origin)
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volume_origin.create()
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config_snapshot = {
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'name': 'root2',
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'pool': self.pool.name,
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'snap_on_start': True,
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'source': volume_origin,
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'rw': True,
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'size': qubes.config.defaults['root_img_size'],
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}
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volume = self.app.get_pool(self.pool.name).init_volume(
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vm, config_snapshot)
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self.assertIsInstance(volume, ThinVolume)
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self.assertEqual(volume.name, 'root2')
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self.assertEqual(volume.pool, self.pool.name)
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self.assertEqual(volume.size, qubes.config.defaults['root_img_size'])
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# only origin volume really needs to exist, verify should succeed
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# even before create
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self.assertTrue(volume.verify())
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volume.create()
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path = volume.path
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self.assertEqual(path, '/dev/' + volume.vid)
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self.assertFalse(os.path.exists(path), path)
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volume.start()
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# snapshot volume isn't considered dirty at any time
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self.assertFalse(volume.is_dirty())
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# not outdated yet
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self.assertFalse(volume.is_outdated())
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origin_uuid = self._get_lv_uuid(volume_origin.path)
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snap_origin_uuid = self._get_lv_origin_uuid(volume._vid_snap)
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self.assertEqual(origin_uuid, snap_origin_uuid)
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# now make it outdated
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volume_origin.start()
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volume_origin.stop()
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self.assertTrue(volume.is_outdated())
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origin_uuid = self._get_lv_uuid(volume_origin.path)
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self.assertNotEqual(origin_uuid, snap_origin_uuid)
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volume.stop()
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# stopped volume is never outdated
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self.assertFalse(volume.is_outdated())
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path = volume.path
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self.assertFalse(os.path.exists(path), path)
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path = '/dev/' + volume._vid_snap
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self.assertFalse(os.path.exists(path), path)
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volume.remove()
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volume_origin.remove()
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def test_100_pool_list_volumes(self):
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config = {
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'name': 'root',
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'pool': self.pool.name,
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'save_on_stop': True,
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'rw': True,
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'revisions_to_keep': 2,
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'size': qubes.config.defaults['root_img_size'],
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}
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config2 = config.copy()
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vm = qubes.tests.storage.TestVM(self)
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volume1 = self.app.get_pool(self.pool.name).init_volume(vm, config)
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volume1.create()
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config2['name'] = 'private'
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volume2 = self.app.get_pool(self.pool.name).init_volume(vm, config2)
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volume2.create()
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# create some revisions
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volume1.start()
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volume1.stop()
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# and have one in dirty state
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volume2.start()
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self.assertIn(volume1, list(self.pool.volumes))
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self.assertIn(volume2, list(self.pool.volumes))
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volume1.remove()
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self.assertNotIn(volume1, list(self.pool.volumes))
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self.assertIn(volume2, list(self.pool.volumes))
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volume2.remove()
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self.assertNotIn(volume1, list(self.pool.volumes))
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self.assertNotIn(volume1, list(self.pool.volumes))
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@skipUnlessLvmPoolExists
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class TC_01_ThinPool(ThinPoolBase, qubes.tests.SystemTestCase):
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