qemu-iotests: add mirroring test case
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini
Kevin Wolf
parent
d63ffd87ac
commit
44c7ca5ebf
362
tests/qemu-iotests/041
Executable file
362
tests/qemu-iotests/041
Executable file
@ -0,0 +1,362 @@
|
||||
#!/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
|
||||
import struct
|
||||
|
||||
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')
|
||||
|
||||
class ImageMirroringTestCase(iotests.QMPTestCase):
|
||||
'''Abstract base class for image mirroring test cases'''
|
||||
|
||||
def assert_no_active_mirrors(self):
|
||||
result = self.vm.qmp('query-block-jobs')
|
||||
self.assert_qmp(result, 'return', [])
|
||||
|
||||
def cancel_and_wait(self, drive='drive0', wait_ready=True):
|
||||
'''Cancel a block job and wait for it to finish'''
|
||||
if wait_ready:
|
||||
ready = False
|
||||
while not ready:
|
||||
for event in self.vm.get_qmp_events(wait=True):
|
||||
if event['event'] == 'BLOCK_JOB_READY':
|
||||
self.assert_qmp(event, 'data/type', 'mirror')
|
||||
self.assert_qmp(event, 'data/device', drive)
|
||||
ready = True
|
||||
|
||||
result = self.vm.qmp('block-job-cancel', device=drive,
|
||||
force=not wait_ready)
|
||||
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_COMPLETED' or \
|
||||
event['event'] == 'BLOCK_JOB_CANCELLED':
|
||||
self.assert_qmp(event, 'data/type', 'mirror')
|
||||
self.assert_qmp(event, 'data/device', drive)
|
||||
if wait_ready:
|
||||
self.assertEquals(event['event'], 'BLOCK_JOB_COMPLETED')
|
||||
self.assert_qmp(event, 'data/offset', self.image_len)
|
||||
self.assert_qmp(event, 'data/len', self.image_len)
|
||||
cancelled = True
|
||||
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
def complete_and_wait(self, drive='drive0', wait_ready=True):
|
||||
'''Complete a block job and wait for it to finish'''
|
||||
if wait_ready:
|
||||
ready = False
|
||||
while not ready:
|
||||
for event in self.vm.get_qmp_events(wait=True):
|
||||
if event['event'] == 'BLOCK_JOB_READY':
|
||||
self.assert_qmp(event, 'data/type', 'mirror')
|
||||
self.assert_qmp(event, 'data/device', drive)
|
||||
ready = True
|
||||
|
||||
result = self.vm.qmp('block-job-complete', device=drive)
|
||||
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', 'mirror')
|
||||
self.assert_qmp(event, 'data/device', drive)
|
||||
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_mirrors()
|
||||
|
||||
def create_image(self, name, size):
|
||||
file = open(name, 'w')
|
||||
i = 0
|
||||
while i < size:
|
||||
sector = struct.pack('>l504xl', i / 512, i / 512)
|
||||
file.write(sector)
|
||||
i = i + 512
|
||||
file.close()
|
||||
|
||||
def compare_images(self, img1, img2):
|
||||
try:
|
||||
qemu_img('convert', '-f', iotests.imgfmt, '-O', 'raw', img1, img1 + '.raw')
|
||||
qemu_img('convert', '-f', iotests.imgfmt, '-O', 'raw', img2, img2 + '.raw')
|
||||
file1 = open(img1 + '.raw', 'r')
|
||||
file2 = open(img2 + '.raw', 'r')
|
||||
return file1.read() == file2.read()
|
||||
finally:
|
||||
if file1 is not None:
|
||||
file1.close()
|
||||
if file2 is not None:
|
||||
file2.close()
|
||||
try:
|
||||
os.remove(img1 + '.raw')
|
||||
except OSError:
|
||||
pass
|
||||
try:
|
||||
os.remove(img2 + '.raw')
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
class TestSingleDrive(ImageMirroringTestCase):
|
||||
image_len = 1 * 1024 * 1024 # MB
|
||||
|
||||
def setUp(self):
|
||||
self.create_image(backing_img, TestSingleDrive.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_img)
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
def test_complete(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
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(self.compare_images(test_img, target_img),
|
||||
'target image does not match source after mirroring')
|
||||
|
||||
def test_cancel(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
||||
target=target_img)
|
||||
self.assert_qmp(result, 'return', {})
|
||||
|
||||
self.cancel_and_wait(wait_ready=False)
|
||||
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_mirrors()
|
||||
|
||||
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
||||
target=target_img)
|
||||
self.assert_qmp(result, 'return', {})
|
||||
|
||||
self.cancel_and_wait()
|
||||
result = self.vm.qmp('query-block')
|
||||
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
|
||||
self.vm.shutdown()
|
||||
self.assertTrue(self.compare_images(test_img, target_img),
|
||||
'target image does not match source after mirroring')
|
||||
|
||||
def test_pause(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
||||
target=target_img)
|
||||
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[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(self.compare_images(test_img, target_img),
|
||||
'target image does not match source after mirroring')
|
||||
|
||||
def test_large_cluster(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
|
||||
% (TestSingleDrive.image_len, 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(self.compare_images(test_img, target_img),
|
||||
'target image does not match source after mirroring')
|
||||
|
||||
def test_medium_not_found(self):
|
||||
result = self.vm.qmp('drive-mirror', device='ide1-cd0', sync='full',
|
||||
target=target_img)
|
||||
self.assert_qmp(result, 'error/class', 'GenericError')
|
||||
|
||||
def test_image_not_found(self):
|
||||
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
||||
mode='existing', target=target_img)
|
||||
self.assert_qmp(result, 'error/class', 'GenericError')
|
||||
|
||||
def test_device_not_found(self):
|
||||
result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full',
|
||||
target=target_img)
|
||||
self.assert_qmp(result, 'error/class', 'DeviceNotFound')
|
||||
|
||||
class TestMirrorNoBacking(ImageMirroringTestCase):
|
||||
image_len = 2 * 1024 * 1024 # MB
|
||||
|
||||
def complete_and_wait(self, drive='drive0', wait_ready=True):
|
||||
self.create_image(target_backing_img, TestMirrorNoBacking.image_len)
|
||||
return ImageMirroringTestCase.complete_and_wait(self, drive, wait_ready)
|
||||
|
||||
def compare_images(self, img1, img2):
|
||||
self.create_image(target_backing_img, TestMirrorNoBacking.image_len)
|
||||
return ImageMirroringTestCase.compare_images(self, img1, img2)
|
||||
|
||||
def setUp(self):
|
||||
self.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)
|
||||
os.remove(target_backing_img)
|
||||
os.remove(target_img)
|
||||
|
||||
def test_complete(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
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(self.compare_images(test_img, target_img),
|
||||
'target image does not match source after mirroring')
|
||||
|
||||
def test_cancel(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
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.cancel_and_wait()
|
||||
result = self.vm.qmp('query-block')
|
||||
self.assert_qmp(result, 'return[0]/inserted/file', test_img)
|
||||
self.vm.shutdown()
|
||||
self.assertTrue(self.compare_images(test_img, target_img),
|
||||
'target image does not match source after mirroring')
|
||||
|
||||
class TestSetSpeed(ImageMirroringTestCase):
|
||||
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_mirrors()
|
||||
|
||||
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.cancel_and_wait()
|
||||
|
||||
# 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.cancel_and_wait()
|
||||
|
||||
def test_set_speed_invalid(self):
|
||||
self.assert_no_active_mirrors()
|
||||
|
||||
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_mirrors()
|
||||
|
||||
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.cancel_and_wait()
|
||||
|
||||
if __name__ == '__main__':
|
||||
iotests.main(supported_fmts=['qcow2', 'qed'])
|
||||
5
tests/qemu-iotests/041.out
Normal file
5
tests/qemu-iotests/041.out
Normal file
@ -0,0 +1,5 @@
|
||||
............
|
||||
----------------------------------------------------------------------
|
||||
Ran 12 tests
|
||||
|
||||
OK
|
||||
@ -47,5 +47,6 @@
|
||||
038 rw auto backing
|
||||
039 rw auto
|
||||
040 rw auto
|
||||
041 rw auto backing
|
||||
042 rw auto quick
|
||||
043 rw auto backing
|
||||
|
||||
Loading…
Reference in New Issue
Block a user