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Diffstat (limited to 'qemu/tests/qemu-iotests/030')
| -rwxr-xr-x | qemu/tests/qemu-iotests/030 | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/qemu/tests/qemu-iotests/030 b/qemu/tests/qemu-iotests/030 new file mode 100755 index 000000000..952a524ec --- /dev/null +++ b/qemu/tests/qemu-iotests/030 @@ -0,0 +1,467 @@ +#!/usr/bin/env python +# +# Tests for image streaming. +# +# Copyright (C) 2012 IBM Corp. +# +# 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') +mid_img = os.path.join(iotests.test_dir, 'mid.img') +test_img = os.path.join(iotests.test_dir, 'test.img') + +class TestSingleDrive(iotests.QMPTestCase): + image_len = 1 * 1024 * 1024 # MB + + def setUp(self): + iotests.create_image(backing_img, TestSingleDrive.image_len) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) + qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img) + self.vm = iotests.VM().add_drive("blkdebug::" + test_img) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(test_img) + os.remove(mid_img) + os.remove(backing_img) + + def test_stream(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed() + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), + qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), + 'image file map does not match backing file after streaming') + + def test_stream_pause(self): + self.assert_no_active_block_jobs() + + self.vm.pause_drive('drive0') + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-job-pause', device='drive0') + self.assert_qmp(result, 'return', {}) + + time.sleep(1) + result = self.vm.qmp('query-block-jobs') + offset = self.dictpath(result, 'return[0]/offset') + + time.sleep(1) + result = self.vm.qmp('query-block-jobs') + self.assert_qmp(result, 'return[0]/offset', offset) + + result = self.vm.qmp('block-job-resume', device='drive0') + self.assert_qmp(result, 'return', {}) + + self.vm.resume_drive('drive0') + self.wait_until_completed() + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), + qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), + 'image file map does not match backing file after streaming') + + def test_stream_partial(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0', base=mid_img) + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed() + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), + qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), + 'image file map does not match backing file after streaming') + + def test_device_not_found(self): + result = self.vm.qmp('block-stream', device='nonexistent') + self.assert_qmp(result, 'error/class', 'DeviceNotFound') + + +class TestSmallerBackingFile(iotests.QMPTestCase): + backing_len = 1 * 1024 * 1024 # MB + image_len = 2 * backing_len + + def setUp(self): + iotests.create_image(backing_img, self.backing_len) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) + self.vm = iotests.VM().add_drive(test_img) + self.vm.launch() + + # If this hangs, then you are missing a fix to complete streaming when the + # end of the backing file is reached. + def test_stream(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed() + + self.assert_no_active_block_jobs() + self.vm.shutdown() + +class TestErrors(iotests.QMPTestCase): + image_len = 2 * 1024 * 1024 # MB + + # this should match STREAM_BUFFER_SIZE/512 in block/stream.c + STREAM_BUFFER_SIZE = 512 * 1024 + + def create_blkdebug_file(self, name, event, errno): + file = open(name, 'w') + file.write(''' +[inject-error] +state = "1" +event = "%s" +errno = "%d" +immediately = "off" +once = "on" +sector = "%d" + +[set-state] +state = "1" +event = "%s" +new_state = "2" + +[set-state] +state = "2" +event = "%s" +new_state = "1" +''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) + file.close() + +class TestEIO(TestErrors): + def setUp(self): + self.blkdebug_file = backing_img + ".blkdebug" + iotests.create_image(backing_img, TestErrors.image_len) + self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) + qemu_img('create', '-f', iotests.imgfmt, + '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' + % (self.blkdebug_file, backing_img), + test_img) + self.vm = iotests.VM().add_drive(test_img) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(test_img) + os.remove(backing_img) + os.remove(self.blkdebug_file) + + def test_report(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + completed = False + error = False + while not completed: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_ERROR': + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/operation', 'read') + error = True + elif event['event'] == 'BLOCK_JOB_COMPLETED': + self.assertTrue(error, 'job completed unexpectedly') + self.assert_qmp(event, 'data/type', 'stream') + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/error', 'Input/output error') + self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) + self.assert_qmp(event, 'data/len', self.image_len) + completed = True + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + def test_ignore(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') + self.assert_qmp(result, 'return', {}) + + error = False + completed = False + while not completed: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_ERROR': + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/operation', 'read') + result = self.vm.qmp('query-block-jobs') + self.assert_qmp(result, 'return[0]/paused', False) + error = True + elif event['event'] == 'BLOCK_JOB_COMPLETED': + self.assertTrue(error, 'job completed unexpectedly') + self.assert_qmp(event, 'data/type', 'stream') + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/error', 'Input/output error') + self.assert_qmp(event, 'data/offset', self.image_len) + self.assert_qmp(event, 'data/len', self.image_len) + completed = True + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + def test_stop(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0', on_error='stop') + self.assert_qmp(result, 'return', {}) + + error = False + completed = False + while not completed: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_ERROR': + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/operation', 'read') + + result = self.vm.qmp('query-block-jobs') + self.assert_qmp(result, 'return[0]/paused', True) + self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) + self.assert_qmp(result, 'return[0]/io-status', '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_COMPLETED': + self.assertTrue(error, 'job completed unexpectedly') + self.assert_qmp(event, 'data/type', 'stream') + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp_absent(event, 'data/error') + self.assert_qmp(event, 'data/offset', self.image_len) + self.assert_qmp(event, 'data/len', self.image_len) + completed = True + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + def test_enospc(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') + self.assert_qmp(result, 'return', {}) + + completed = False + error = False + while not completed: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_ERROR': + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/operation', 'read') + error = True + elif event['event'] == 'BLOCK_JOB_COMPLETED': + self.assertTrue(error, 'job completed unexpectedly') + self.assert_qmp(event, 'data/type', 'stream') + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/error', 'Input/output error') + self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) + self.assert_qmp(event, 'data/len', self.image_len) + completed = True + + self.assert_no_active_block_jobs() + self.vm.shutdown() + +class TestENOSPC(TestErrors): + def setUp(self): + self.blkdebug_file = backing_img + ".blkdebug" + iotests.create_image(backing_img, TestErrors.image_len) + self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) + qemu_img('create', '-f', iotests.imgfmt, + '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' + % (self.blkdebug_file, backing_img), + test_img) + self.vm = iotests.VM().add_drive(test_img) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(test_img) + os.remove(backing_img) + os.remove(self.blkdebug_file) + + def test_enospc(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') + self.assert_qmp(result, 'return', {}) + + error = False + completed = False + while not completed: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_ERROR': + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/operation', 'read') + + result = self.vm.qmp('query-block-jobs') + self.assert_qmp(result, 'return[0]/paused', True) + self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) + self.assert_qmp(result, 'return[0]/io-status', 'nospace') + + result = self.vm.qmp('block-job-resume', device='drive0') + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('query-block-jobs') + self.assert_qmp(result, 'return[0]/paused', False) + self.assert_qmp(result, 'return[0]/io-status', 'ok') + error = True + elif event['event'] == 'BLOCK_JOB_COMPLETED': + self.assertTrue(error, 'job completed unexpectedly') + self.assert_qmp(event, 'data/type', 'stream') + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp_absent(event, 'data/error') + self.assert_qmp(event, 'data/offset', self.image_len) + self.assert_qmp(event, 'data/len', self.image_len) + completed = True + + self.assert_no_active_block_jobs() + self.vm.shutdown() + +class TestStreamStop(iotests.QMPTestCase): + image_len = 8 * 1024 * 1024 * 1024 # GB + + def setUp(self): + qemu_img('create', backing_img, str(TestStreamStop.image_len)) + qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) + qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) + self.vm = iotests.VM().add_drive("blkdebug::" + test_img) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(test_img) + os.remove(backing_img) + + def test_stream_stop(self): + self.assert_no_active_block_jobs() + + self.vm.pause_drive('drive0') + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + time.sleep(0.1) + events = self.vm.get_qmp_events(wait=False) + self.assertEqual(events, [], 'unexpected QMP event: %s' % events) + + self.cancel_and_wait(resume=True) + +class TestSetSpeed(iotests.QMPTestCase): + image_len = 80 * 1024 * 1024 # MB + + def setUp(self): + qemu_img('create', backing_img, str(TestSetSpeed.image_len)) + qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) + qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) + self.vm = iotests.VM().add_drive('blkdebug::' + test_img) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(test_img) + os.remove(backing_img) + + # This is a short performance test which is not run by default. + # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" + def perf_test_throughput(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed() + + self.assert_no_active_block_jobs() + + def test_set_speed(self): + self.assert_no_active_block_jobs() + + self.vm.pause_drive('drive0') + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + # 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(resume=True) + self.vm.pause_drive('drive0') + + # Check setting speed in block-stream works + result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) + self.assert_qmp(result, 'return', {}) + + 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(resume=True) + + def test_set_speed_invalid(self): + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0', speed=-1) + self.assert_qmp(result, 'error/class', 'GenericError') + + self.assert_no_active_block_jobs() + + result = self.vm.qmp('block-stream', device='drive0') + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) + self.assert_qmp(result, 'error/class', 'GenericError') + + self.cancel_and_wait() + +if __name__ == '__main__': + iotests.main(supported_fmts=['qcow2', 'qed']) |