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Diffstat (limited to 'tests/qemu-iotests/041')
| -rwxr-xr-x | tests/qemu-iotests/041 | 918 |
1 files changed, 918 insertions, 0 deletions
diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041 new file mode 100755 index 00000000..3d46ed70 --- /dev/null +++ b/tests/qemu-iotests/041 @@ -0,0 +1,918 @@ +#!/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 + + 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) + 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('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') + + def test_cancel(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.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('drive-mirror', device='drive0', sync='full', + 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_pause(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', {}) + + 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(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('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(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('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(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('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_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 TestSingleDriveZeroLength(TestSingleDrive): + image_len = 0 + test_small_buffer2 = None + test_large_cluster = None + +class TestSingleDriveUnalignedLength(TestSingleDrive): + image_len = 1025 * 1024 + test_small_buffer2 = None + test_large_cluster = None + +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(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 + + 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) + 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) + 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(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.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_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 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 has_quorum(self): + return 'quorum' in iotests.qemu_img_pipe('--help') + + def setUp(self): + self.vm = iotests.VM() + + # 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 = { "options" : { "driver": "quorum", "id": "quorum0", + "vote-threshold": 2, "children": [ "img0", "img1", "img2" ] } } + if self.has_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 ]: + # 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 self.has_quorum(): + return + + self.assert_no_active_block_jobs() + + result = self.vm.qmp('drive-mirror', 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="quorum0") + result = self.vm.qmp('query-named-block-nodes') + self.assert_qmp(result, 'return[0]/file', 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 self.has_quorum(): + return + + self.assert_no_active_block_jobs() + + result = self.vm.qmp('drive-mirror', 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="quorum0", force=True) + # here we check that the last registered quorum file has not been + # swapped out and unref + result = self.vm.qmp('query-named-block-nodes') + self.assert_qmp(result, 'return[0]/file', quorum_img3) + self.vm.shutdown() + + def test_cancel_after_ready(self): + if not self.has_quorum(): + return + + self.assert_no_active_block_jobs() + + result = self.vm.qmp('drive-mirror', 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="quorum0") + result = self.vm.qmp('query-named-block-nodes') + # here we check that the last registered quorum file has not been + # swapped out and unref + self.assert_qmp(result, 'return[0]/file', 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 self.has_quorum(): + return + + self.assert_no_active_block_jobs() + + result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', + node_name="repair0", + replaces="img1", + target=quorum_repair_img, format=iotests.imgfmt) + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-job-pause', device='quorum0') + 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='quorum0') + self.assert_qmp(result, 'return', {}) + + self.complete_and_wait(drive="quorum0") + 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 self.has_quorum(): + return + + result = self.vm.qmp('drive-mirror', device='ide1-cd0', 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 self.has_quorum(): + return + + result = self.vm.qmp('drive-mirror', 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 self.has_quorum(): + return + + result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full', + node_name='repair0', + replaces='img1', + target=quorum_repair_img, format=iotests.imgfmt) + self.assert_qmp(result, 'error/class', 'DeviceNotFound') + + def test_wrong_sync_mode(self): + if not self.has_quorum(): + return + + result = self.vm.qmp('drive-mirror', device='quorum0', + 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 self.has_quorum(): + return + + result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', + replaces='img1', + target=quorum_repair_img, format=iotests.imgfmt) + self.assert_qmp(result, 'error/class', 'GenericError') + + def test_unexistant_replaces(self): + if not self.has_quorum(): + return + + result = self.vm.qmp('drive-mirror', 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 self.has_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', 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', 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(drive="quorum0") + result = self.vm.qmp('query-named-block-nodes') + self.assert_qmp(result, 'return[0]/file', 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() + +if __name__ == '__main__': + iotests.main(supported_fmts=['qcow2', 'qed']) |