# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
+import time
import os
import iotests
from iotests import qemu_img, qemu_io
mid_img = os.path.join(iotests.test_dir, 'mid.img')
test_img = os.path.join(iotests.test_dir, 'test.img')
-class ImageStreamingTestCase(iotests.QMPTestCase):
- '''Abstract base class for image streaming test cases'''
+class TestSingleDrive(iotests.QMPTestCase):
+ image_len = 1 * 1024 * 1024 # MB
+
+ def setUp(self):
+ iotests.create_image(backing_img, TestSingleDrive.image_len)
+ qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
+ 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)
+ self.vm = iotests.VM().add_drive("blkdebug::" + test_img)
+ self.vm.launch()
+
+ def tearDown(self):
+ self.vm.shutdown()
+ os.remove(test_img)
+ os.remove(mid_img)
+ os.remove(backing_img)
+
+ def test_stream(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='drive0')
+ self.assert_qmp(result, 'return', {})
+
+ self.wait_until_completed()
- def assert_no_active_streams(self):
+ 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', test_img),
+ 'image file map does not match backing file after streaming')
+
+ def test_stream_pause(self):
+ self.assert_no_active_block_jobs()
+
+ self.vm.pause_drive('drive0')
+ result = self.vm.qmp('block-stream', device='drive0')
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('block-job-pause', device='drive0')
+ self.assert_qmp(result, 'return', {})
+
+ time.sleep(1)
+ result = self.vm.qmp('query-block-jobs')
+ offset = self.dictpath(result, 'return[0]/offset')
+
+ time.sleep(1)
result = self.vm.qmp('query-block-jobs')
- self.assert_qmp(result, 'return', [])
+ self.assert_qmp(result, 'return[0]/offset', offset)
- def cancel_and_wait(self, drive='drive0'):
- '''Cancel a block job and wait for it to finish'''
- result = self.vm.qmp('block-job-cancel', device=drive)
+ result = self.vm.qmp('block-job-resume', device='drive0')
self.assert_qmp(result, 'return', {})
- cancelled = False
- while not cancelled:
- for event in self.vm.get_qmp_events(wait=True):
- if event['event'] == 'BLOCK_JOB_CANCELLED':
- self.assert_qmp(event, 'data/type', 'stream')
- self.assert_qmp(event, 'data/device', drive)
- cancelled = True
+ self.vm.resume_drive('drive0')
+ self.wait_until_completed()
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
+ self.vm.shutdown()
-class TestSingleDrive(ImageStreamingTestCase):
- image_len = 1 * 1024 * 1024 # MB
+ self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img),
+ qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img),
+ 'image file map does not match backing file after streaming')
+
+ def test_stream_partial(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='drive0', base=mid_img)
+ self.assert_qmp(result, 'return', {})
+
+ self.wait_until_completed()
+
+ self.assert_no_active_block_jobs()
+ self.vm.shutdown()
+
+ self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img),
+ qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img),
+ 'image file map does not match backing file after streaming')
+
+ def test_device_not_found(self):
+ result = self.vm.qmp('block-stream', device='nonexistent')
+ self.assert_qmp(result, 'error/class', 'DeviceNotFound')
+
+
+class TestSmallerBackingFile(iotests.QMPTestCase):
+ backing_len = 1 * 1024 * 1024 # MB
+ image_len = 2 * backing_len
def setUp(self):
- qemu_img('create', backing_img, str(TestSingleDrive.image_len))
- qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
- qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
+ iotests.create_image(backing_img, self.backing_len)
+ qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len))
+ self.vm = iotests.VM().add_drive(test_img)
+ self.vm.launch()
+
+ # If this hangs, then you are missing a fix to complete streaming when the
+ # end of the backing file is reached.
+ def test_stream(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='drive0')
+ self.assert_qmp(result, 'return', {})
+
+ self.wait_until_completed()
+
+ self.assert_no_active_block_jobs()
+ self.vm.shutdown()
+
+class TestErrors(iotests.QMPTestCase):
+ image_len = 2 * 1024 * 1024 # MB
+
+ # this should match STREAM_BUFFER_SIZE/512 in block/stream.c
+ STREAM_BUFFER_SIZE = 512 * 1024
+
+ def create_blkdebug_file(self, name, event, errno):
+ file = open(name, 'w')
+ file.write('''
+[inject-error]
+state = "1"
+event = "%s"
+errno = "%d"
+immediately = "off"
+once = "on"
+sector = "%d"
+
+[set-state]
+state = "1"
+event = "%s"
+new_state = "2"
+
+[set-state]
+state = "2"
+event = "%s"
+new_state = "1"
+''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event))
+ file.close()
+
+class TestEIO(TestErrors):
+ def setUp(self):
+ self.blkdebug_file = backing_img + ".blkdebug"
+ iotests.create_image(backing_img, TestErrors.image_len)
+ self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5)
+ qemu_img('create', '-f', iotests.imgfmt,
+ '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw'
+ % (self.blkdebug_file, backing_img),
+ test_img)
self.vm = iotests.VM().add_drive(test_img)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(test_img)
- os.remove(mid_img)
os.remove(backing_img)
+ os.remove(self.blkdebug_file)
- def test_stream(self):
- self.assert_no_active_streams()
+ def test_report(self):
+ self.assert_no_active_block_jobs()
result = self.vm.qmp('block-stream', device='drive0')
self.assert_qmp(result, 'return', {})
completed = False
+ error = False
while not completed:
for event in self.vm.get_qmp_events(wait=True):
- if event['event'] == 'BLOCK_JOB_COMPLETED':
+ if event['event'] == 'BLOCK_JOB_ERROR':
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/operation', 'read')
+ error = True
+ elif event['event'] == 'BLOCK_JOB_COMPLETED':
+ self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/type', 'stream')
self.assert_qmp(event, 'data/device', 'drive0')
- self.assert_qmp(event, 'data/offset', self.image_len)
+ self.assert_qmp(event, 'data/error', 'Input/output error')
+ self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE)
self.assert_qmp(event, 'data/len', self.image_len)
completed = True
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
self.vm.shutdown()
- self.assertEqual(qemu_io('-c', 'map', backing_img),
- qemu_io('-c', 'map', test_img),
- 'image file map does not match backing file after streaming')
+ def test_ignore(self):
+ self.assert_no_active_block_jobs()
- def test_stream_partial(self):
- self.assert_no_active_streams()
+ result = self.vm.qmp('block-stream', device='drive0', on_error='ignore')
+ self.assert_qmp(result, 'return', {})
- result = self.vm.qmp('block-stream', device='drive0', base=mid_img)
+ error = False
+ completed = False
+ while not completed:
+ for event in self.vm.get_qmp_events(wait=True):
+ if event['event'] == 'BLOCK_JOB_ERROR':
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/operation', 'read')
+ result = self.vm.qmp('query-block-jobs')
+ self.assert_qmp(result, 'return[0]/paused', False)
+ error = True
+ elif event['event'] == 'BLOCK_JOB_COMPLETED':
+ self.assertTrue(error, 'job completed unexpectedly')
+ self.assert_qmp(event, 'data/type', 'stream')
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/error', 'Input/output error')
+ self.assert_qmp(event, 'data/offset', self.image_len)
+ self.assert_qmp(event, 'data/len', self.image_len)
+ completed = True
+
+ self.assert_no_active_block_jobs()
+ self.vm.shutdown()
+
+ def test_stop(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='drive0', on_error='stop')
self.assert_qmp(result, 'return', {})
+ error = False
completed = False
while not completed:
for event in self.vm.get_qmp_events(wait=True):
- if event['event'] == 'BLOCK_JOB_COMPLETED':
+ if event['event'] == 'BLOCK_JOB_ERROR':
+ error = True
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/operation', 'read')
+
+ result = self.vm.qmp('query-block-jobs')
+ self.assert_qmp(result, 'return[0]/paused', True)
+ self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE)
+ self.assert_qmp(result, 'return[0]/io-status', 'failed')
+
+ result = self.vm.qmp('block-job-resume', device='drive0')
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('query-block-jobs')
+ if result == {'return': []}:
+ # Race; likely already finished. Check.
+ continue
+ self.assert_qmp(result, 'return[0]/paused', False)
+ self.assert_qmp(result, 'return[0]/io-status', 'ok')
+ elif event['event'] == 'BLOCK_JOB_COMPLETED':
+ self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/type', 'stream')
self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp_absent(event, 'data/error')
self.assert_qmp(event, 'data/offset', self.image_len)
self.assert_qmp(event, 'data/len', self.image_len)
completed = True
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
self.vm.shutdown()
- self.assertEqual(qemu_io('-c', 'map', mid_img),
- qemu_io('-c', 'map', test_img),
- 'image file map does not match backing file after streaming')
+ def test_enospc(self):
+ self.assert_no_active_block_jobs()
- def test_device_not_found(self):
- result = self.vm.qmp('block-stream', device='nonexistent')
- self.assert_qmp(result, 'error/class', 'DeviceNotFound')
+ result = self.vm.qmp('block-stream', device='drive0', on_error='enospc')
+ self.assert_qmp(result, 'return', {})
+
+ completed = False
+ error = False
+ while not completed:
+ for event in self.vm.get_qmp_events(wait=True):
+ if event['event'] == 'BLOCK_JOB_ERROR':
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/operation', 'read')
+ error = True
+ elif event['event'] == 'BLOCK_JOB_COMPLETED':
+ self.assertTrue(error, 'job completed unexpectedly')
+ self.assert_qmp(event, 'data/type', 'stream')
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/error', 'Input/output error')
+ self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE)
+ self.assert_qmp(event, 'data/len', self.image_len)
+ completed = True
+
+ self.assert_no_active_block_jobs()
+ self.vm.shutdown()
+
+class TestENOSPC(TestErrors):
+ def setUp(self):
+ self.blkdebug_file = backing_img + ".blkdebug"
+ iotests.create_image(backing_img, TestErrors.image_len)
+ self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28)
+ qemu_img('create', '-f', iotests.imgfmt,
+ '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw'
+ % (self.blkdebug_file, backing_img),
+ test_img)
+ self.vm = iotests.VM().add_drive(test_img)
+ self.vm.launch()
+
+ def tearDown(self):
+ self.vm.shutdown()
+ os.remove(test_img)
+ os.remove(backing_img)
+ os.remove(self.blkdebug_file)
+
+ def test_enospc(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='drive0', on_error='enospc')
+ self.assert_qmp(result, 'return', {})
+
+ error = False
+ completed = False
+ while not completed:
+ for event in self.vm.get_qmp_events(wait=True):
+ if event['event'] == 'BLOCK_JOB_ERROR':
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp(event, 'data/operation', 'read')
+
+ result = self.vm.qmp('query-block-jobs')
+ self.assert_qmp(result, 'return[0]/paused', True)
+ self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE)
+ self.assert_qmp(result, 'return[0]/io-status', 'nospace')
+
+ result = self.vm.qmp('block-job-resume', device='drive0')
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('query-block-jobs')
+ self.assert_qmp(result, 'return[0]/paused', False)
+ self.assert_qmp(result, 'return[0]/io-status', 'ok')
+ error = True
+ elif event['event'] == 'BLOCK_JOB_COMPLETED':
+ self.assertTrue(error, 'job completed unexpectedly')
+ self.assert_qmp(event, 'data/type', 'stream')
+ self.assert_qmp(event, 'data/device', 'drive0')
+ self.assert_qmp_absent(event, 'data/error')
+ self.assert_qmp(event, 'data/offset', self.image_len)
+ self.assert_qmp(event, 'data/len', self.image_len)
+ completed = True
+
+ self.assert_no_active_block_jobs()
+ self.vm.shutdown()
-class TestStreamStop(ImageStreamingTestCase):
+class TestStreamStop(iotests.QMPTestCase):
image_len = 8 * 1024 * 1024 * 1024 # GB
def setUp(self):
qemu_img('create', backing_img, str(TestStreamStop.image_len))
+ qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
- self.vm = iotests.VM().add_drive(test_img)
+ qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img)
+ self.vm = iotests.VM().add_drive("blkdebug::" + test_img)
self.vm.launch()
def tearDown(self):
os.remove(backing_img)
def test_stream_stop(self):
- import time
-
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
+ self.vm.pause_drive('drive0')
result = self.vm.qmp('block-stream', device='drive0')
self.assert_qmp(result, 'return', {})
- time.sleep(1)
+ time.sleep(0.1)
events = self.vm.get_qmp_events(wait=False)
self.assertEqual(events, [], 'unexpected QMP event: %s' % events)
- self.cancel_and_wait()
+ self.cancel_and_wait(resume=True)
-class TestSetSpeed(ImageStreamingTestCase):
+class TestSetSpeed(iotests.QMPTestCase):
image_len = 80 * 1024 * 1024 # MB
def setUp(self):
qemu_img('create', backing_img, str(TestSetSpeed.image_len))
+ qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
- self.vm = iotests.VM().add_drive(test_img)
+ qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img)
+ self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
self.vm.launch()
def tearDown(self):
# This is a short performance test which is not run by default.
# Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput"
def perf_test_throughput(self):
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
result = self.vm.qmp('block-stream', device='drive0')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024)
self.assert_qmp(result, 'return', {})
- completed = False
- while not completed:
- for event in self.vm.get_qmp_events(wait=True):
- if event['event'] == 'BLOCK_JOB_COMPLETED':
- self.assert_qmp(event, 'data/type', 'stream')
- self.assert_qmp(event, 'data/device', 'drive0')
- self.assert_qmp(event, 'data/offset', self.image_len)
- self.assert_qmp(event, 'data/len', self.image_len)
- completed = True
+ self.wait_until_completed()
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
def test_set_speed(self):
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
+ self.vm.pause_drive('drive0')
result = self.vm.qmp('block-stream', device='drive0')
self.assert_qmp(result, 'return', {})
self.assert_qmp(result, 'return[0]/device', 'drive0')
self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024)
- self.cancel_and_wait()
+ self.cancel_and_wait(resume=True)
+ self.vm.pause_drive('drive0')
# Check setting speed in block-stream works
result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024)
self.assert_qmp(result, 'return[0]/device', 'drive0')
self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024)
- self.cancel_and_wait()
+ self.cancel_and_wait(resume=True)
def test_set_speed_invalid(self):
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
result = self.vm.qmp('block-stream', device='drive0', speed=-1)
- self.assert_qmp(result, 'error/class', 'InvalidParameter')
- self.assert_qmp(result, 'error/data/name', 'speed')
+ self.assert_qmp(result, 'error/class', 'GenericError')
- self.assert_no_active_streams()
+ self.assert_no_active_block_jobs()
result = self.vm.qmp('block-stream', device='drive0')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
- self.assert_qmp(result, 'error/class', 'InvalidParameter')
- self.assert_qmp(result, 'error/data/name', 'speed')
+ self.assert_qmp(result, 'error/class', 'GenericError')
self.cancel_and_wait()
projects / qemu.git / blobdiff