| #!/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_small_buffer(self): |
| self.assert_no_active_mirrors() |
| |
| # A small buffer is rounded up automatically |
| result = self.vm.qmp('drive-mirror', device='drive0', sync='full', |
| buf_size=4096, 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_small_buffer2(self): |
| self.assert_no_active_mirrors() |
| |
| qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' |
| % (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img) |
| result = self.vm.qmp('drive-mirror', device='drive0', sync='full', |
| buf_size=65536, 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_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') |
| |
| def test_large_cluster(self): |
| self.assert_no_active_mirrors() |
| |
| # 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) |
| os.remove(target_backing_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') |
| |
| class TestMirrorResized(ImageMirroringTestCase): |
| backing_len = 1 * 1024 * 1024 # MB |
| image_len = 2 * 1024 * 1024 # MB |
| |
| def setUp(self): |
| self.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_mirrors() |
| |
| 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(self.compare_images(test_img, target_img), |
| 'target image does not match source after mirroring') |
| |
| def test_complete_full(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') |
| |
| class TestReadErrors(ImageMirroringTestCase): |
| 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" |
| self.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(backing_img) |
| os.remove(self.blkdebug_file) |
| |
| def test_report_read(self): |
| self.assert_no_active_mirrors() |
| |
| 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') |
| self.assert_qmp(event, 'data/len', self.image_len) |
| completed = True |
| |
| self.assert_no_active_mirrors() |
| self.vm.shutdown() |
| |
| def test_ignore_read(self): |
| self.assert_no_active_mirrors() |
| |
| 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) |
| 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_mirrors() |
| |
| # 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) |
| 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(self.compare_images(test_img, target_img), |
| 'target image does not match source after mirroring') |
| |
| def test_stop_read(self): |
| self.assert_no_active_mirrors() |
| |
| 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_mirrors() |
| self.vm.shutdown() |
| |
| class TestWriteErrors(ImageMirroringTestCase): |
| 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" |
| self.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(backing_img) |
| os.remove(self.blkdebug_file) |
| |
| def test_report_write(self): |
| self.assert_no_active_mirrors() |
| |
| 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') |
| self.assert_qmp(event, 'data/len', self.image_len) |
| completed = True |
| |
| self.assert_no_active_mirrors() |
| self.vm.shutdown() |
| |
| def test_ignore_write(self): |
| self.assert_no_active_mirrors() |
| |
| 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.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', '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_mirrors() |
| |
| 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_mirrors() |
| self.vm.shutdown() |
| |
| 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']) |
