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#!/usr/bin/env python
#
# Test cases for blockdev + IOThread interactions
#
# Copyright (C) 2019 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 os
import iotests
from iotests import qemu_img
image_len = 64 * 1024 * 1024
# Test for RHBZ#1782175
class TestDirtyBitmapIOThread(iotests.QMPTestCase):
drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
images = { 'drive0': drive0_img }
def setUp(self):
for name in self.images:
qemu_img('create', '-f', iotests.imgfmt,
self.images[name], str(image_len))
self.vm = iotests.VM()
self.vm.add_object('iothread,id=iothread0')
for name in self.images:
self.vm.add_blockdev('driver=file,filename=%s,node-name=file_%s'
% (self.images[name], name))
self.vm.add_blockdev('driver=qcow2,file=file_%s,node-name=%s'
% (name, name))
self.vm.launch()
self.vm.qmp('x-blockdev-set-iothread',
node_name='drive0', iothread='iothread0',
force=True)
def tearDown(self):
self.vm.shutdown()
for name in self.images:
os.remove(self.images[name])
def test_add_dirty_bitmap(self):
result = self.vm.qmp(
'block-dirty-bitmap-add',
node='drive0',
name='bitmap1',
persistent=True,
)
self.assert_qmp(result, 'return', {})
# Test for RHBZ#1746217 & RHBZ#1773517
class TestNBDMirrorIOThread(iotests.QMPTestCase):
nbd_sock = os.path.join(iotests.sock_dir, 'nbd.sock')
drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
mirror_img = os.path.join(iotests.test_dir, 'mirror.img')
images = { 'drive0': drive0_img, 'mirror': mirror_img }
def setUp(self):
for name in self.images:
qemu_img('create', '-f', iotests.imgfmt,
self.images[name], str(image_len))
self.vm_src = iotests.VM(path_suffix='src')
self.vm_src.add_object('iothread,id=iothread0')
self.vm_src.add_blockdev('driver=file,filename=%s,node-name=file0'
% (self.drive0_img))
self.vm_src.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
self.vm_src.launch()
self.vm_src.qmp('x-blockdev-set-iothread',
node_name='drive0', iothread='iothread0',
force=True)
self.vm_tgt = iotests.VM(path_suffix='tgt')
self.vm_tgt.add_object('iothread,id=iothread0')
self.vm_tgt.add_blockdev('driver=file,filename=%s,node-name=file0'
% (self.mirror_img))
self.vm_tgt.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
self.vm_tgt.launch()
self.vm_tgt.qmp('x-blockdev-set-iothread',
node_name='drive0', iothread='iothread0',
force=True)
def tearDown(self):
self.vm_src.shutdown()
self.vm_tgt.shutdown()
for name in self.images:
os.remove(self.images[name])
def test_nbd_mirror(self):
result = self.vm_tgt.qmp(
'nbd-server-start',
addr={
'type': 'unix',
'data': { 'path': self.nbd_sock }
}
)
self.assert_qmp(result, 'return', {})
result = self.vm_tgt.qmp(
'nbd-server-add',
device='drive0',
writable=True
)
self.assert_qmp(result, 'return', {})
result = self.vm_src.qmp(
'drive-mirror',
device='drive0',
target='nbd+unix:///drive0?socket=' + self.nbd_sock,
sync='full',
mode='existing',
speed=64*1024*1024,
job_id='j1'
)
self.assert_qmp(result, 'return', {})
self.vm_src.event_wait(name="BLOCK_JOB_READY")
# Test for RHBZ#1779036
class TestExternalSnapshotAbort(iotests.QMPTestCase):
drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
snapshot_img = os.path.join(iotests.test_dir, 'snapshot.img')
images = { 'drive0': drive0_img, 'snapshot': snapshot_img }
def setUp(self):
for name in self.images:
qemu_img('create', '-f', iotests.imgfmt,
self.images[name], str(image_len))
self.vm = iotests.VM()
self.vm.add_object('iothread,id=iothread0')
self.vm.add_blockdev('driver=file,filename=%s,node-name=file0'
% (self.drive0_img))
self.vm.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
self.vm.launch()
self.vm.qmp('x-blockdev-set-iothread',
node_name='drive0', iothread='iothread0',
force=True)
def tearDown(self):
self.vm.shutdown()
for name in self.images:
os.remove(self.images[name])
def test_external_snapshot_abort(self):
# Use a two actions transaction with a bogus values on the second
# one to trigger an abort of the transaction.
result = self.vm.qmp('transaction', actions=[
{
'type': 'blockdev-snapshot-sync',
'data': { 'node-name': 'drive0',
'snapshot-file': self.snapshot_img,
'snapshot-node-name': 'snap1',
'mode': 'absolute-paths',
'format': 'qcow2' }
},
{
'type': 'blockdev-snapshot-sync',
'data': { 'node-name': 'drive0',
'snapshot-file': '/fakesnapshot',
'snapshot-node-name': 'snap2',
'mode': 'absolute-paths',
'format': 'qcow2' }
},
])
# Crashes on failure, we expect this error.
self.assert_qmp(result, 'error/class', 'GenericError')
# Test for RHBZ#1782111
class TestBlockdevBackupAbort(iotests.QMPTestCase):
drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
drive1_img = os.path.join(iotests.test_dir, 'drive1.img')
snap0_img = os.path.join(iotests.test_dir, 'snap0.img')
snap1_img = os.path.join(iotests.test_dir, 'snap1.img')
images = { 'drive0': drive0_img,
'drive1': drive1_img,
'snap0': snap0_img,
'snap1': snap1_img }
def setUp(self):
for name in self.images:
qemu_img('create', '-f', iotests.imgfmt,
self.images[name], str(image_len))
self.vm = iotests.VM()
self.vm.add_object('iothread,id=iothread0')
self.vm.add_device('virtio-scsi,iothread=iothread0')
for name in self.images:
self.vm.add_blockdev('driver=file,filename=%s,node-name=file_%s'
% (self.images[name], name))
self.vm.add_blockdev('driver=qcow2,file=file_%s,node-name=%s'
% (name, name))
self.vm.add_device('scsi-hd,drive=drive0')
self.vm.add_device('scsi-hd,drive=drive1')
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
for name in self.images:
os.remove(self.images[name])
def test_blockdev_backup_abort(self):
# Use a two actions transaction with a bogus values on the second
# one to trigger an abort of the transaction.
result = self.vm.qmp('transaction', actions=[
{
'type': 'blockdev-backup',
'data': { 'device': 'drive0',
'target': 'snap0',
'sync': 'full',
'job-id': 'j1' }
},
{
'type': 'blockdev-backup',
'data': { 'device': 'drive1',
'target': 'snap1',
'sync': 'full' }
},
])
# Hangs on failure, we expect this error.
self.assert_qmp(result, 'error/class', 'GenericError')
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2'],
supported_protocols=['file'])
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