iotests: Test handling of AioContexts with some blockdev actions
Includes the following tests: - Adding a dirty bitmap. * RHBZ: 1782175 - Starting a drive-mirror to an NBD-backed target. * RHBZ: 1746217, 1773517 - Aborting an external snapshot transaction. * RHBZ: 1779036 - Aborting a blockdev backup transaction. * RHBZ: 1782111 For each one of them, a VM with a number of disks running in an IOThread AioContext is used. Signed-off-by: Sergio Lopez <slp@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Sergio Lopez
Kevin Wolf
parent
377410f6fb
commit
9b8c59e761
247
tests/qemu-iotests/281
Executable file
247
tests/qemu-iotests/281
Executable file
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#!/usr/bin/env python
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#
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# Test cases for blockdev + IOThread interactions
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#
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# Copyright (C) 2019 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import iotests
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from iotests import qemu_img
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image_len = 64 * 1024 * 1024
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# Test for RHBZ#1782175
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class TestDirtyBitmapIOThread(iotests.QMPTestCase):
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drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
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images = { 'drive0': drive0_img }
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def setUp(self):
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for name in self.images:
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qemu_img('create', '-f', iotests.imgfmt,
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self.images[name], str(image_len))
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self.vm = iotests.VM()
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self.vm.add_object('iothread,id=iothread0')
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for name in self.images:
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self.vm.add_blockdev('driver=file,filename=%s,node-name=file_%s'
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% (self.images[name], name))
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self.vm.add_blockdev('driver=qcow2,file=file_%s,node-name=%s'
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% (name, name))
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self.vm.launch()
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self.vm.qmp('x-blockdev-set-iothread',
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node_name='drive0', iothread='iothread0',
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force=True)
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def tearDown(self):
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self.vm.shutdown()
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for name in self.images:
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os.remove(self.images[name])
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def test_add_dirty_bitmap(self):
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result = self.vm.qmp(
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'block-dirty-bitmap-add',
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node='drive0',
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name='bitmap1',
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persistent=True,
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)
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self.assert_qmp(result, 'return', {})
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# Test for RHBZ#1746217 & RHBZ#1773517
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class TestNBDMirrorIOThread(iotests.QMPTestCase):
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nbd_sock = os.path.join(iotests.sock_dir, 'nbd.sock')
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drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
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mirror_img = os.path.join(iotests.test_dir, 'mirror.img')
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images = { 'drive0': drive0_img, 'mirror': mirror_img }
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def setUp(self):
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for name in self.images:
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qemu_img('create', '-f', iotests.imgfmt,
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self.images[name], str(image_len))
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self.vm_src = iotests.VM(path_suffix='src')
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self.vm_src.add_object('iothread,id=iothread0')
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self.vm_src.add_blockdev('driver=file,filename=%s,node-name=file0'
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% (self.drive0_img))
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self.vm_src.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
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self.vm_src.launch()
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self.vm_src.qmp('x-blockdev-set-iothread',
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node_name='drive0', iothread='iothread0',
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force=True)
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self.vm_tgt = iotests.VM(path_suffix='tgt')
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self.vm_tgt.add_object('iothread,id=iothread0')
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self.vm_tgt.add_blockdev('driver=file,filename=%s,node-name=file0'
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% (self.mirror_img))
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self.vm_tgt.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
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self.vm_tgt.launch()
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self.vm_tgt.qmp('x-blockdev-set-iothread',
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node_name='drive0', iothread='iothread0',
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force=True)
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def tearDown(self):
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self.vm_src.shutdown()
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self.vm_tgt.shutdown()
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for name in self.images:
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os.remove(self.images[name])
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def test_nbd_mirror(self):
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result = self.vm_tgt.qmp(
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'nbd-server-start',
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addr={
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'type': 'unix',
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'data': { 'path': self.nbd_sock }
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}
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)
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self.assert_qmp(result, 'return', {})
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result = self.vm_tgt.qmp(
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'nbd-server-add',
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device='drive0',
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writable=True
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)
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self.assert_qmp(result, 'return', {})
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result = self.vm_src.qmp(
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'drive-mirror',
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device='drive0',
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target='nbd+unix:///drive0?socket=' + self.nbd_sock,
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sync='full',
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mode='existing',
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speed=64*1024*1024,
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job_id='j1'
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)
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self.assert_qmp(result, 'return', {})
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self.vm_src.event_wait(name="BLOCK_JOB_READY")
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# Test for RHBZ#1779036
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class TestExternalSnapshotAbort(iotests.QMPTestCase):
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drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
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snapshot_img = os.path.join(iotests.test_dir, 'snapshot.img')
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images = { 'drive0': drive0_img, 'snapshot': snapshot_img }
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def setUp(self):
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for name in self.images:
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qemu_img('create', '-f', iotests.imgfmt,
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self.images[name], str(image_len))
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self.vm = iotests.VM()
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self.vm.add_object('iothread,id=iothread0')
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self.vm.add_blockdev('driver=file,filename=%s,node-name=file0'
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% (self.drive0_img))
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self.vm.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
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self.vm.launch()
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self.vm.qmp('x-blockdev-set-iothread',
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node_name='drive0', iothread='iothread0',
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force=True)
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def tearDown(self):
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self.vm.shutdown()
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for name in self.images:
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os.remove(self.images[name])
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def test_external_snapshot_abort(self):
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# Use a two actions transaction with a bogus values on the second
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# one to trigger an abort of the transaction.
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result = self.vm.qmp('transaction', actions=[
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{
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'type': 'blockdev-snapshot-sync',
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'data': { 'node-name': 'drive0',
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'snapshot-file': self.snapshot_img,
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'snapshot-node-name': 'snap1',
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'mode': 'absolute-paths',
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'format': 'qcow2' }
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},
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{
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'type': 'blockdev-snapshot-sync',
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'data': { 'node-name': 'drive0',
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'snapshot-file': '/fakesnapshot',
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'snapshot-node-name': 'snap2',
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'mode': 'absolute-paths',
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'format': 'qcow2' }
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},
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])
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# Crashes on failure, we expect this error.
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self.assert_qmp(result, 'error/class', 'GenericError')
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# Test for RHBZ#1782111
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class TestBlockdevBackupAbort(iotests.QMPTestCase):
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drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
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drive1_img = os.path.join(iotests.test_dir, 'drive1.img')
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snap0_img = os.path.join(iotests.test_dir, 'snap0.img')
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snap1_img = os.path.join(iotests.test_dir, 'snap1.img')
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images = { 'drive0': drive0_img,
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'drive1': drive1_img,
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'snap0': snap0_img,
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'snap1': snap1_img }
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def setUp(self):
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for name in self.images:
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qemu_img('create', '-f', iotests.imgfmt,
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self.images[name], str(image_len))
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self.vm = iotests.VM()
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self.vm.add_object('iothread,id=iothread0')
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self.vm.add_device('virtio-scsi,iothread=iothread0')
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for name in self.images:
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self.vm.add_blockdev('driver=file,filename=%s,node-name=file_%s'
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% (self.images[name], name))
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self.vm.add_blockdev('driver=qcow2,file=file_%s,node-name=%s'
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% (name, name))
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self.vm.add_device('scsi-hd,drive=drive0')
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self.vm.add_device('scsi-hd,drive=drive1')
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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for name in self.images:
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os.remove(self.images[name])
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def test_blockdev_backup_abort(self):
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# Use a two actions transaction with a bogus values on the second
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# one to trigger an abort of the transaction.
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result = self.vm.qmp('transaction', actions=[
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{
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'type': 'blockdev-backup',
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'data': { 'device': 'drive0',
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'target': 'snap0',
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'sync': 'full',
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'job-id': 'j1' }
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},
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{
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'type': 'blockdev-backup',
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'data': { 'device': 'drive1',
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'target': 'snap1',
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'sync': 'full' }
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},
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])
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# Hangs on failure, we expect this error.
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self.assert_qmp(result, 'error/class', 'GenericError')
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if __name__ == '__main__':
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iotests.main(supported_fmts=['qcow2'],
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supported_protocols=['file'])
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5
tests/qemu-iotests/281.out
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5
tests/qemu-iotests/281.out
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....
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----------------------------------------------------------------------
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Ran 4 tests
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OK
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@ -288,3 +288,4 @@
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277 rw quick
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279 rw backing quick
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280 rw migration quick
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281 rw quick
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