diff options
Diffstat (limited to 'tests/qemu-iotests/030')
| -rwxr-xr-x | tests/qemu-iotests/030 | 313 |
1 files changed, 312 insertions, 1 deletions
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030 index 107049b50f..54db54a1ea 100755 --- a/tests/qemu-iotests/030 +++ b/tests/qemu-iotests/030 @@ -36,7 +36,7 @@ class TestSingleDrive(iotests.QMPTestCase): qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img) qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 524288 512', mid_img) - self.vm = iotests.VM().add_drive("blkdebug::" + test_img) + self.vm = iotests.VM().add_drive("blkdebug::" + test_img, "backing.node-name=mid") self.vm.launch() def tearDown(self): @@ -60,6 +60,25 @@ class TestSingleDrive(iotests.QMPTestCase): qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 'image file map does not match backing file after streaming') + def test_stream_intermediate(self): + self.assert_no_active_block_jobs() + + self.assertNotEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), + qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), + 'image file map matches backing file before streaming') + + result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid') + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed(drive='stream-mid') + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), + qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), + 'image file map does not match backing file after streaming') + def test_stream_pause(self): self.assert_no_active_block_jobs() @@ -129,6 +148,298 @@ class TestSingleDrive(iotests.QMPTestCase): self.assert_qmp(result, 'error/class', 'GenericError') +class TestParallelOps(iotests.QMPTestCase): + num_ops = 4 # Number of parallel block-stream operations + num_imgs = num_ops * 2 + 1 + image_len = num_ops * 1024 * 1024 + imgs = [] + + def setUp(self): + opts = [] + self.imgs = [] + + # Initialize file names and command-line options + for i in range(self.num_imgs): + img_depth = self.num_imgs - i - 1 + opts.append("backing." * img_depth + "node-name=node%d" % i) + self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) + + # Create all images + iotests.create_image(self.imgs[0], self.image_len) + for i in range(1, self.num_imgs): + qemu_img('create', '-f', iotests.imgfmt, + '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) + + # Put data into the images we are copying data from + for i in range(self.num_imgs / 2): + img_index = i * 2 + 1 + # Alternate between 512k and 1M. + # This way jobs will not finish in the same order they were created + num_kb = 512 + 512 * (i % 2) + qemu_io('-f', iotests.imgfmt, + '-c', 'write -P %d %d %d' % (i, i*1024*1024, num_kb * 1024), + self.imgs[img_index]) + + # Attach the drive to the VM + self.vm = iotests.VM() + self.vm.add_drive(self.imgs[-1], ','.join(opts)) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + for img in self.imgs: + os.remove(img) + + # Test that it's possible to run several block-stream operations + # in parallel in the same snapshot chain + def test_stream_parallel(self): + self.assert_no_active_block_jobs() + + # Check that the maps don't match before the streaming operations + for i in range(2, self.num_imgs, 2): + self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), + qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), + 'image file map matches backing file before streaming') + + # Create all streaming jobs + pending_jobs = [] + for i in range(2, self.num_imgs, 2): + node_name = 'node%d' % i + job_id = 'stream-%s' % node_name + pending_jobs.append(job_id) + result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024) + self.assert_qmp(result, 'return', {}) + + # Wait for all jobs to be finished. + while len(pending_jobs) > 0: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_COMPLETED': + job_id = self.dictpath(event, 'data/device') + self.assertTrue(job_id in pending_jobs) + self.assert_qmp_absent(event, 'data/error') + pending_jobs.remove(job_id) + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + # Check that all maps match now + for i in range(2, self.num_imgs, 2): + self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), + qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), + 'image file map does not match backing file after streaming') + + # Test that it's not possible to perform two block-stream + # operations if there are nodes involved in both. + def test_overlapping_1(self): + self.assert_no_active_block_jobs() + + # Set a speed limit to make sure that this job blocks the rest + result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4', base=self.imgs[1], speed=1024*1024) + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-stream', device='node5', job_id='stream-node5', base=self.imgs[2]) + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3', base=self.imgs[2]) + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4-v2') + self.assert_qmp(result, 'error/class', 'GenericError') + + # block-commit should also fail if it touches nodes used by the stream job + result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[4], job_id='commit-node4') + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[1], top=self.imgs[3], job_id='commit-node1') + self.assert_qmp(result, 'error/class', 'GenericError') + + # This fails because it needs to modify the backing string in node2, which is blocked + result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[0], top=self.imgs[1], job_id='commit-node0') + self.assert_qmp(result, 'error/class', 'GenericError') + + self.wait_until_completed(drive='stream-node4') + self.assert_no_active_block_jobs() + + # Similar to test_overlapping_1, but with block-commit + # blocking the other jobs + def test_overlapping_2(self): + self.assertLessEqual(9, self.num_imgs) + self.assert_no_active_block_jobs() + + # Set a speed limit to make sure that this job blocks the rest + result = self.vm.qmp('block-commit', device='drive0', top=self.imgs[5], base=self.imgs[3], job_id='commit-node3', speed=1024*1024) + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3') + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node6', base=self.imgs[2], job_id='stream-node6') + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], job_id='stream-node4') + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node6', base=self.imgs[4], job_id='stream-node6-v2') + self.assert_qmp(result, 'error/class', 'GenericError') + + # This fails because block-commit needs to block node6, the overlay of the 'top' image + result = self.vm.qmp('block-stream', device='node7', base=self.imgs[5], job_id='stream-node6-v3') + self.assert_qmp(result, 'error/class', 'GenericError') + + # This fails because block-commit currently blocks the active layer even if it's not used + result = self.vm.qmp('block-stream', device='drive0', base=self.imgs[5], job_id='stream-drive0') + self.assert_qmp(result, 'error/class', 'GenericError') + + self.wait_until_completed(drive='commit-node3') + + # Similar to test_overlapping_2, but here block-commit doesn't use the 'top' parameter. + # Internally this uses a mirror block job, hence the separate test case. + def test_overlapping_3(self): + self.assertLessEqual(8, self.num_imgs) + self.assert_no_active_block_jobs() + + # Set a speed limit to make sure that this job blocks the rest + result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3], job_id='commit-drive0', speed=1024*1024) + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-stream', device='node5', base=self.imgs[3], job_id='stream-node6') + self.assert_qmp(result, 'error/class', 'GenericError') + + event = self.vm.get_qmp_event(wait=True) + self.assertEqual(event['event'], 'BLOCK_JOB_READY') + self.assert_qmp(event, 'data/device', 'commit-drive0') + self.assert_qmp(event, 'data/type', 'commit') + self.assert_qmp_absent(event, 'data/error') + + result = self.vm.qmp('block-job-complete', device='commit-drive0') + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed(drive='commit-drive0') + + # Test a block-stream and a block-commit job in parallel + def test_stream_commit(self): + self.assertLessEqual(8, self.num_imgs) + self.assert_no_active_block_jobs() + + # Stream from node0 into node2 + result = self.vm.qmp('block-stream', device='node2', job_id='node2') + self.assert_qmp(result, 'return', {}) + + # Commit from the active layer into node3 + result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3]) + self.assert_qmp(result, 'return', {}) + + # Wait for all jobs to be finished. + pending_jobs = ['node2', 'drive0'] + while len(pending_jobs) > 0: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_COMPLETED': + node_name = self.dictpath(event, 'data/device') + self.assertTrue(node_name in pending_jobs) + self.assert_qmp_absent(event, 'data/error') + pending_jobs.remove(node_name) + if event['event'] == 'BLOCK_JOB_READY': + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/type', 'commit') + self.assert_qmp_absent(event, 'data/error') + self.assertTrue('drive0' in pending_jobs) + self.vm.qmp('block-job-complete', device='drive0') + + self.assert_no_active_block_jobs() + + # Test the base_node parameter + def test_stream_base_node_name(self): + self.assert_no_active_block_jobs() + + self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), + qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), + 'image file map matches backing file before streaming') + + # Error: the base node does not exist + result = self.vm.qmp('block-stream', device='node4', base_node='none', job_id='stream') + self.assert_qmp(result, 'error/class', 'GenericError') + + # Error: the base node is not a backing file of the top node + result = self.vm.qmp('block-stream', device='node4', base_node='node6', job_id='stream') + self.assert_qmp(result, 'error/class', 'GenericError') + + # Error: the base node is the same as the top node + result = self.vm.qmp('block-stream', device='node4', base_node='node4', job_id='stream') + self.assert_qmp(result, 'error/class', 'GenericError') + + # Error: cannot specify 'base' and 'base-node' at the same time + result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], base_node='node2', job_id='stream') + self.assert_qmp(result, 'error/class', 'GenericError') + + # Success: the base node is a backing file of the top node + result = self.vm.qmp('block-stream', device='node4', base_node='node2', job_id='stream') + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed(drive='stream') + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), + qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), + 'image file map matches backing file after streaming') + +class TestQuorum(iotests.QMPTestCase): + num_children = 3 + children = [] + backing = [] + + def setUp(self): + opts = ['driver=quorum', 'vote-threshold=2'] + + # Initialize file names and command-line options + for i in range(self.num_children): + child_img = os.path.join(iotests.test_dir, 'img-%d.img' % i) + backing_img = os.path.join(iotests.test_dir, 'backing-%d.img' % i) + self.children.append(child_img) + self.backing.append(backing_img) + qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M') + qemu_io('-f', iotests.imgfmt, + '-c', 'write -P 0x55 0 1024', backing_img) + qemu_img('create', '-f', iotests.imgfmt, + '-o', 'backing_file=%s' % backing_img, child_img) + opts.append("children.%d.file.filename=%s" % (i, child_img)) + opts.append("children.%d.node-name=node%d" % (i, i)) + + # Attach the drive to the VM + self.vm = iotests.VM() + self.vm.add_drive(path = None, opts = ','.join(opts)) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + for img in self.children: + os.remove(img) + for img in self.backing: + os.remove(img) + + def test_stream_quorum(self): + if not iotests.supports_quorum(): + return + + self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), + qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), + 'image file map matches backing file before streaming') + + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='node0', job_id='stream-node0') + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed(drive='stream-node0') + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), + qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), + 'image file map does not match backing file after streaming') + class TestSmallerBackingFile(iotests.QMPTestCase): backing_len = 1 * 1024 * 1024 # MB image_len = 2 * backing_len |