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qemu/tests/qemu-iotests/041
Kevin Wolf 62a9428812 iotests: Move qmp_to_opts() to VM 
qmp_to_opts() used to be a method of QMPTestCase, but recently we
started to add more Python test cases that don't make use of
QMPTestCase. In order to make the method usable there, move it to VM.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2018-05-23 14:30:51 +02:00

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#!/usr/bin/env python
#
# Tests for image mirroring.
#
# Copyright (C) 2012 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# 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
backing_img = os.path.join(iotests.test_dir, 'backing.img')
target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img')
test_img = os.path.join(iotests.test_dir, 'test.img')
target_img = os.path.join(iotests.test_dir, 'target.img')
quorum_img1 = os.path.join(iotests.test_dir, 'quorum1.img')
quorum_img2 = os.path.join(iotests.test_dir, 'quorum2.img')
quorum_img3 = os.path.join(iotests.test_dir, 'quorum3.img')
quorum_repair_img = os.path.join(iotests.test_dir, 'quorum_repair.img')
quorum_snapshot_file = os.path.join(iotests.test_dir, 'quorum_snapshot.img')
class TestSingleDrive(iotests.QMPTestCase):
image_len = 1 * 1024 * 1024 # MB
qmp_cmd = 'drive-mirror'
qmp_target = target_img
def setUp(self):
iotests.create_image(backing_img, self.image_len)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
self.vm = iotests.VM().add_drive(test_img, "node-name=top,backing.node-name=base")
if iotests.qemu_default_machine == 'pc':
self.vm.add_drive(None, 'media=cdrom', 'ide')
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(test_img)
os.remove(backing_img)
try:
os.remove(target_img)
except OSError:
pass
def test_complete(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_cancel(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.cancel_and_wait(force=True)
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
self.vm.shutdown()
def test_cancel_after_ready(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.wait_ready_and_cancel()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_pause(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.pause_job('drive0')
result = self.vm.qmp('query-block-jobs')
offset = self.dictpath(result, 'return[0]/offset')
time.sleep(0.5)
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/offset', offset)
result = self.vm.qmp('block-job-resume', device='drive0')
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_small_buffer(self):
self.assert_no_active_block_jobs()
# A small buffer is rounded up automatically
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
buf_size=4096, target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_small_buffer2(self):
self.assert_no_active_block_jobs()
qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d'
% (self.image_len, self.image_len), target_img)
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
buf_size=65536, mode='existing', target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_large_cluster(self):
self.assert_no_active_block_jobs()
qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
% (self.image_len, backing_img), target_img)
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
mode='existing', target=self.qmp_target)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
# Tests that the insertion of the mirror_top filter node doesn't make a
# difference to query-block
def test_implicit_node(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
self.assert_qmp(result, 'return[0]/inserted/drv', iotests.imgfmt)
self.assert_qmp(result, 'return[0]/inserted/backing_file', backing_img)
self.assert_qmp(result, 'return[0]/inserted/backing_file_depth', 1)
self.assert_qmp(result, 'return[0]/inserted/image/filename', test_img)
self.assert_qmp(result, 'return[0]/inserted/image/backing-image/filename', backing_img)
result = self.vm.qmp('query-blockstats')
self.assert_qmp(result, 'return[0]/node-name', 'top')
self.assert_qmp(result, 'return[0]/backing/node-name', 'base')
self.cancel_and_wait(force=True)
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
self.assert_qmp(result, 'return[0]/inserted/drv', iotests.imgfmt)
self.assert_qmp(result, 'return[0]/inserted/backing_file', backing_img)
self.assert_qmp(result, 'return[0]/inserted/backing_file_depth', 1)
self.assert_qmp(result, 'return[0]/inserted/image/filename', test_img)
self.assert_qmp(result, 'return[0]/inserted/image/backing-image/filename', backing_img)
result = self.vm.qmp('query-blockstats')
self.assert_qmp(result, 'return[0]/node-name', 'top')
self.assert_qmp(result, 'return[0]/backing/node-name', 'base')
self.vm.shutdown()
def test_medium_not_found(self):
if iotests.qemu_default_machine != 'pc':
return
result = self.vm.qmp(self.qmp_cmd, device='ide1-cd0', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_image_not_found(self):
result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
mode='existing', target=self.qmp_target)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_device_not_found(self):
result = self.vm.qmp(self.qmp_cmd, device='nonexistent', sync='full',
target=self.qmp_target)
self.assert_qmp(result, 'error/class', 'GenericError')
class TestSingleBlockdev(TestSingleDrive):
qmp_cmd = 'blockdev-mirror'
qmp_target = 'node1'
def setUp(self):
TestSingleDrive.setUp(self)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img)
args = {'driver': iotests.imgfmt,
'node-name': self.qmp_target,
'file': { 'filename': target_img, 'driver': 'file' } }
result = self.vm.qmp("blockdev-add", **args)
self.assert_qmp(result, 'return', {})
test_large_cluster = None
test_image_not_found = None
test_small_buffer2 = None
class TestSingleDriveZeroLength(TestSingleDrive):
image_len = 0
test_small_buffer2 = None
test_large_cluster = None
class TestSingleBlockdevZeroLength(TestSingleBlockdev):
image_len = 0
class TestSingleDriveUnalignedLength(TestSingleDrive):
image_len = 1025 * 1024
test_small_buffer2 = None
test_large_cluster = None
class TestSingleBlockdevUnalignedLength(TestSingleBlockdev):
image_len = 1025 * 1024
class TestMirrorNoBacking(iotests.QMPTestCase):
image_len = 2 * 1024 * 1024 # MB
def setUp(self):
iotests.create_image(backing_img, TestMirrorNoBacking.image_len)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % 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)
try:
os.remove(target_backing_img)
except:
pass
os.remove(target_img)
def test_complete(self):
self.assert_no_active_block_jobs()
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img)
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=target_img)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_cancel(self):
self.assert_no_active_block_jobs()
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img)
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=target_img)
self.assert_qmp(result, 'return', {})
self.wait_ready_and_cancel()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_large_cluster(self):
self.assert_no_active_block_jobs()
# qemu-img create fails if the image is not there
qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d'
%(TestMirrorNoBacking.image_len), target_backing_img)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
% (TestMirrorNoBacking.image_len, target_backing_img), target_img)
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=target_img)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
class TestMirrorResized(iotests.QMPTestCase):
backing_len = 1 * 1024 * 1024 # MB
image_len = 2 * 1024 * 1024 # MB
def setUp(self):
iotests.create_image(backing_img, TestMirrorResized.backing_len)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
qemu_img('resize', test_img, '2M')
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)
try:
os.remove(target_img)
except OSError:
pass
def test_complete_top(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='top',
target=target_img)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_complete_full(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img)
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/file', target_img)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
class TestReadErrors(iotests.QMPTestCase):
image_len = 2 * 1024 * 1024 # MB
# this should be a multiple of twice the default granularity
# so that we hit this offset first in state 1
MIRROR_GRANULARITY = 1024 * 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.MIRROR_GRANULARITY / 512, event, event))
file.close()
def setUp(self):
self.blkdebug_file = backing_img + ".blkdebug"
iotests.create_image(backing_img, TestReadErrors.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)
# Write something for tests that use sync='top'
qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536),
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(target_img)
os.remove(backing_img)
os.remove(self.blkdebug_file)
def test_report_read(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img)
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_READY':
self.assertTrue(False, 'job completed unexpectedly')
elif event['event'] == 'BLOCK_JOB_COMPLETED':
self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/type', 'mirror')
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp(event, 'data/error', 'Input/output error')
completed = True
elif event['event'] == 'JOB_STATUS_CHANGE':
self.assert_qmp(event, 'data/id', 'drive0')
self.assert_no_active_block_jobs()
self.vm.shutdown()
def test_ignore_read(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img, on_source_error='ignore')
self.assert_qmp(result, 'return', {})
event = self.vm.get_qmp_event(wait=True)
while event['event'] == 'JOB_STATUS_CHANGE':
self.assert_qmp(event, 'data/id', 'drive0')
event = self.vm.get_qmp_event(wait=True)
self.assertEquals(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)
self.complete_and_wait()
self.vm.shutdown()
def test_large_cluster(self):
self.assert_no_active_block_jobs()
# Test COW into the target image. The first half of the
# cluster at MIRROR_GRANULARITY has to be copied from
# backing_img, even though sync='top'.
qemu_img('create', '-f', iotests.imgfmt, '-ocluster_size=131072,backing_file=%s' %(backing_img), target_img)
result = self.vm.qmp('drive-mirror', device='drive0', sync='top',
on_source_error='ignore',
mode='existing', target=target_img)
self.assert_qmp(result, 'return', {})
event = self.vm.get_qmp_event(wait=True)
while event['event'] == 'JOB_STATUS_CHANGE':
self.assert_qmp(event, 'data/id', 'drive0')
event = self.vm.get_qmp_event(wait=True)
self.assertEquals(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)
self.complete_and_wait()
self.vm.shutdown()
# Detach blkdebug to compare images successfully
qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img, test_img)
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
def test_stop_read(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img, on_source_error='stop')
self.assert_qmp(result, 'return', {})
error = False
ready = False
while not ready:
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]/io-status', 'failed')
result = self.vm.qmp('block-job-resume', device='drive0')
self.assert_qmp(result, 'return', {})
error = True
elif event['event'] == 'BLOCK_JOB_READY':
self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/device', 'drive0')
ready = True
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/paused', False)
self.assert_qmp(result, 'return[0]/io-status', 'ok')
self.complete_and_wait(wait_ready=False)
self.assert_no_active_block_jobs()
self.vm.shutdown()
class TestWriteErrors(iotests.QMPTestCase):
image_len = 2 * 1024 * 1024 # MB
# this should be a multiple of twice the default granularity
# so that we hit this offset first in state 1
MIRROR_GRANULARITY = 1024 * 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.MIRROR_GRANULARITY / 512, event, event))
file.close()
def setUp(self):
self.blkdebug_file = target_img + ".blkdebug"
iotests.create_image(backing_img, TestWriteErrors.image_len)
self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5)
qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img)
self.vm = iotests.VM().add_drive(test_img)
self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img)
qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(test_img)
os.remove(target_img)
os.remove(backing_img)
os.remove(self.blkdebug_file)
def test_report_write(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=self.target_img)
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', 'write')
error = True
elif event['event'] == 'BLOCK_JOB_READY':
self.assertTrue(False, 'job completed unexpectedly')
elif event['event'] == 'BLOCK_JOB_COMPLETED':
self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/type', 'mirror')
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp(event, 'data/error', 'Input/output error')
completed = True
self.assert_no_active_block_jobs()
self.vm.shutdown()
def test_ignore_write(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=self.target_img,
on_target_error='ignore')
self.assert_qmp(result, 'return', {})
event = self.vm.event_wait(name='BLOCK_JOB_ERROR')
self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp(event, 'data/operation', 'write')
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/paused', False)
self.complete_and_wait()
self.vm.shutdown()
def test_stop_write(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=self.target_img,
on_target_error='stop')
self.assert_qmp(result, 'return', {})
error = False
ready = False
while not ready:
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', 'write')
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/paused', True)
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')
self.assert_qmp(result, 'return[0]/paused', False)
self.assert_qmp(result, 'return[0]/io-status', 'ok')
error = True
elif event['event'] == 'BLOCK_JOB_READY':
self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/device', 'drive0')
ready = True
self.complete_and_wait(wait_ready=False)
self.assert_no_active_block_jobs()
self.vm.shutdown()
class TestSetSpeed(iotests.QMPTestCase):
image_len = 80 * 1024 * 1024 # MB
def setUp(self):
qemu_img('create', backing_img, str(TestSetSpeed.image_len))
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % 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(target_img)
def test_set_speed(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img)
self.assert_qmp(result, 'return', {})
# Default speed is 0
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/device', 'drive0')
self.assert_qmp(result, 'return[0]/speed', 0)
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024)
self.assert_qmp(result, 'return', {})
# Ensure the speed we set was accepted
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/device', 'drive0')
self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024)
self.wait_ready_and_cancel()
# Check setting speed in drive-mirror works
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img, speed=4*1024*1024)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/device', 'drive0')
self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024)
self.wait_ready_and_cancel()
def test_set_speed_invalid(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img, speed=-1)
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
target=target_img)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
self.assert_qmp(result, 'error/class', 'GenericError')
self.wait_ready_and_cancel()
class TestUnbackedSource(iotests.QMPTestCase):
image_len = 2 * 1024 * 1024 # MB
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, test_img,
str(TestUnbackedSource.image_len))
self.vm = iotests.VM().add_drive(test_img)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(test_img)
os.remove(target_img)
def test_absolute_paths_full(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0',
sync='full', target=target_img,
mode='absolute-paths')
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
self.assert_no_active_block_jobs()
def test_absolute_paths_top(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0',
sync='top', target=target_img,
mode='absolute-paths')
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
self.assert_no_active_block_jobs()
def test_absolute_paths_none(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0',
sync='none', target=target_img,
mode='absolute-paths')
self.assert_qmp(result, 'return', {})
self.complete_and_wait()
self.assert_no_active_block_jobs()
class TestGranularity(iotests.QMPTestCase):
image_len = 10 * 1024 * 1024 # MB
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, test_img,
str(TestGranularity.image_len))
qemu_io('-c', 'write 0 %d' % (self.image_len),
test_img)
self.vm = iotests.VM().add_drive(test_img)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after mirroring')
os.remove(test_img)
os.remove(target_img)
def test_granularity(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', device='drive0',
sync='full', target=target_img,
mode='absolute-paths', granularity=8192)
self.assert_qmp(result, 'return', {})
event = self.vm.get_qmp_event(wait=60.0)
while event['event'] == 'JOB_STATUS_CHANGE':
self.assert_qmp(event, 'data/id', 'drive0')
event = self.vm.get_qmp_event(wait=60.0)
# Failures will manifest as COMPLETED/ERROR.
self.assert_qmp(event, 'event', 'BLOCK_JOB_READY')
self.complete_and_wait(drive='drive0', wait_ready=False)
self.assert_no_active_block_jobs()
class TestRepairQuorum(iotests.QMPTestCase):
""" This class test quorum file repair using drive-mirror.
It's mostly a fork of TestSingleDrive """
image_len = 1 * 1024 * 1024 # MB
IMAGES = [ quorum_img1, quorum_img2, quorum_img3 ]
def setUp(self):
self.vm = iotests.VM()
if iotests.qemu_default_machine == 'pc':
self.vm.add_drive(None, 'media=cdrom', 'ide')
# Add each individual quorum images
for i in self.IMAGES:
qemu_img('create', '-f', iotests.imgfmt, i,
str(TestSingleDrive.image_len))
# Assign a node name to each quorum image in order to manipulate
# them
opts = "node-name=img%i" % self.IMAGES.index(i)
self.vm = self.vm.add_drive(i, opts)
self.vm.launch()
#assemble the quorum block device from the individual files
args = { "driver": "quorum", "node-name": "quorum0",
"vote-threshold": 2, "children": [ "img0", "img1", "img2" ] }
if iotests.supports_quorum():
result = self.vm.qmp("blockdev-add", **args)
self.assert_qmp(result, 'return', {})
def tearDown(self):
self.vm.shutdown()
for i in self.IMAGES + [ quorum_repair_img, quorum_snapshot_file ]:
# Do a try/except because the test may have deleted some images
try:
os.remove(i)
except OSError:
pass
def test_complete(self):
if not iotests.supports_quorum():
return
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name="repair0", replaces="img1",
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.complete_and_wait(drive="job0")
self.assert_has_block_node("repair0", quorum_repair_img)
# TODO: a better test requiring some QEMU infrastructure will be added
# to check that this file is really driven by quorum
self.vm.shutdown()
self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
'target image does not match source after mirroring')
def test_cancel(self):
if not iotests.supports_quorum():
return
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name="repair0", replaces="img1",
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.cancel_and_wait(drive="job0", force=True)
# here we check that the last registered quorum file has not been
# swapped out and unref
self.assert_has_block_node(None, quorum_img3)
self.vm.shutdown()
def test_cancel_after_ready(self):
if not iotests.supports_quorum():
return
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name="repair0", replaces="img1",
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.wait_ready_and_cancel(drive="job0")
# here we check that the last registered quorum file has not been
# swapped out and unref
self.assert_has_block_node(None, quorum_img3)
self.vm.shutdown()
self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
'target image does not match source after mirroring')
def test_pause(self):
if not iotests.supports_quorum():
return
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name="repair0", replaces="img1",
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.pause_job('job0')
result = self.vm.qmp('query-block-jobs')
offset = self.dictpath(result, 'return[0]/offset')
time.sleep(0.5)
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/offset', offset)
result = self.vm.qmp('block-job-resume', device='job0')
self.assert_qmp(result, 'return', {})
self.complete_and_wait(drive="job0")
self.vm.shutdown()
self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
'target image does not match source after mirroring')
def test_medium_not_found(self):
if not iotests.supports_quorum():
return
if iotests.qemu_default_machine != 'pc':
return
result = self.vm.qmp('drive-mirror', job_id='job0', device='drive0', # CD-ROM
sync='full',
node_name='repair0',
replaces='img1',
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_image_not_found(self):
if not iotests.supports_quorum():
return
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name='repair0', replaces='img1',
mode='existing', target=quorum_repair_img,
format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_device_not_found(self):
if not iotests.supports_quorum():
return
result = self.vm.qmp('drive-mirror', job_id='job0',
device='nonexistent', sync='full',
node_name='repair0',
replaces='img1',
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_wrong_sync_mode(self):
if not iotests.supports_quorum():
return
result = self.vm.qmp('drive-mirror', device='quorum0', job_id='job0',
node_name='repair0',
replaces='img1',
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_no_node_name(self):
if not iotests.supports_quorum():
return
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', replaces='img1',
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_nonexistent_replaces(self):
if not iotests.supports_quorum():
return
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name='repair0', replaces='img77',
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_after_a_quorum_snapshot(self):
if not iotests.supports_quorum():
return
result = self.vm.qmp('blockdev-snapshot-sync', node_name='img1',
snapshot_file=quorum_snapshot_file,
snapshot_node_name="snap1");
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name='repair0', replaces="img1",
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'error/class', 'GenericError')
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
sync='full', node_name='repair0', replaces="snap1",
target=quorum_repair_img, format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.complete_and_wait('job0')
self.assert_has_block_node("repair0", quorum_repair_img)
# TODO: a better test requiring some QEMU infrastructure will be added
# to check that this file is really driven by quorum
self.vm.shutdown()
# Test mirroring with a source that does not have any parents (not even a
# BlockBackend)
class TestOrphanedSource(iotests.QMPTestCase):
def setUp(self):
blk0 = { 'node-name': 'src',
'driver': 'null-co' }
blk1 = { 'node-name': 'dest',
'driver': 'null-co' }
blk2 = { 'node-name': 'dest-ro',
'driver': 'null-co',
'read-only': 'on' }
self.vm = iotests.VM()
self.vm.add_blockdev(self.vm.qmp_to_opts(blk0))
self.vm.add_blockdev(self.vm.qmp_to_opts(blk1))
self.vm.add_blockdev(self.vm.qmp_to_opts(blk2))
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
def test_no_job_id(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('blockdev-mirror', device='src', sync='full',
target='dest')
self.assert_qmp(result, 'error/class', 'GenericError')
def test_success(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('blockdev-mirror', job_id='job', device='src',
sync='full', target='dest')
self.assert_qmp(result, 'return', {})
self.complete_and_wait('job')
def test_failing_permissions(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('blockdev-mirror', device='src', sync='full',
target='dest-ro')
self.assert_qmp(result, 'error/class', 'GenericError')
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'])
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