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qemu/tests/qemu-iotests/118
Kevin Wolf d8336c6b28 iotests: Replace time.clock() with Timeout 
time.clock() is deprecated since Python 3.3. Current Python versions
warn that the function will be removed in Python 3.8, and those warnings
make the test case 118 fail.

Replace it with the Timeout mechanism that is compatible with both
Python 2 and 3, and makes the code even a little nicer.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2018-11-21 10:30:05 +01:00

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#!/usr/bin/env python
#
# Test case for the QMP 'change' command and all other associated
# commands
#
# Copyright (C) 2015 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 stat
import time
import iotests
from iotests import qemu_img
old_img = os.path.join(iotests.test_dir, 'test0.img')
new_img = os.path.join(iotests.test_dir, 'test1.img')
def interface_to_device_name(interface):
if interface == 'ide':
return 'ide-cd'
elif interface == 'floppy':
return 'floppy'
else:
return None
class ChangeBaseClass(iotests.QMPTestCase):
has_opened = False
has_closed = False
def process_events(self):
for event in self.vm.get_qmp_events(wait=False):
if (event['event'] == 'DEVICE_TRAY_MOVED' and
event['data']['device'] == 'drive0'):
if event['data']['tray-open'] == False:
self.has_closed = True
else:
self.has_opened = True
def wait_for_open(self):
if not self.has_real_tray:
return
with iotests.Timeout(3, 'Timeout while waiting for the tray to open'):
while not self.has_opened:
self.process_events()
def wait_for_close(self):
if not self.has_real_tray:
return
with iotests.Timeout(3, 'Timeout while waiting for the tray to close'):
while not self.has_closed:
self.process_events()
class GeneralChangeTestsBaseClass(ChangeBaseClass):
device_name = 'qdev0'
def test_change(self):
result = self.vm.qmp('change', device='drive0', target=new_img,
arg=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_blockdev_change_medium(self):
result = self.vm.qmp('blockdev-change-medium',
id=self.device_name, filename=new_img,
format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_eject(self):
result = self.vm.qmp('eject', id=self.device_name, force=True)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
self.assert_qmp_absent(result, 'return[0]/inserted')
def test_tray_eject_change(self):
result = self.vm.qmp('eject', id=self.device_name, force=True)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
self.assert_qmp_absent(result, 'return[0]/inserted')
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img, format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_tray_open_close(self):
result = self.vm.qmp('blockdev-open-tray',
id=self.device_name, force=True)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
if self.was_empty == True:
self.assert_qmp_absent(result, 'return[0]/inserted')
else:
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-close-tray', id=self.device_name)
self.assert_qmp(result, 'return', {})
if self.has_real_tray or not self.was_empty:
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
if self.was_empty == True:
self.assert_qmp_absent(result, 'return[0]/inserted')
else:
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
def test_tray_eject_close(self):
result = self.vm.qmp('eject', id=self.device_name, force=True)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
self.assert_qmp_absent(result, 'return[0]/inserted')
result = self.vm.qmp('blockdev-close-tray', id=self.device_name)
self.assert_qmp(result, 'return', {})
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
self.assert_qmp_absent(result, 'return[0]/inserted')
def test_tray_open_change(self):
result = self.vm.qmp('blockdev-open-tray', id=self.device_name,
force=True)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
if self.was_empty == True:
self.assert_qmp_absent(result, 'return[0]/inserted')
else:
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img,
format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_cycle(self):
result = self.vm.qmp('blockdev-add',
node_name='new',
driver=iotests.imgfmt,
file={'filename': new_img,
'driver': 'file'})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('blockdev-open-tray',
id=self.device_name, force=True)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
if self.was_empty == True:
self.assert_qmp_absent(result, 'return[0]/inserted')
else:
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-remove-medium',
id=self.device_name)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
self.assert_qmp_absent(result, 'return[0]/inserted')
result = self.vm.qmp('blockdev-insert-medium',
id=self.device_name, node_name='new')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
result = self.vm.qmp('blockdev-close-tray', id=self.device_name)
self.assert_qmp(result, 'return', {})
self.wait_for_close()
result = self.vm.qmp('query-block')
if self.has_real_tray:
self.assert_qmp(result, 'return[0]/tray_open', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_close_on_closed(self):
result = self.vm.qmp('blockdev-close-tray', id=self.device_name)
# Should be a no-op
self.assert_qmp(result, 'return', {})
self.assertEquals(self.vm.get_qmp_events(wait=False), [])
def test_remove_on_closed(self):
if not self.has_real_tray:
return
result = self.vm.qmp('blockdev-remove-medium', id=self.device_name)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_insert_on_closed(self):
if not self.has_real_tray:
return
result = self.vm.qmp('blockdev-add',
node_name='new',
driver=iotests.imgfmt,
file={'filename': new_img,
'driver': 'file'})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('blockdev-insert-medium', id=self.device_name,
node_name='new')
self.assert_qmp(result, 'error/class', 'GenericError')
class TestInitiallyFilled(GeneralChangeTestsBaseClass):
was_empty = False
def setUp(self, media, interface):
qemu_img('create', '-f', iotests.imgfmt, old_img, '1440k')
qemu_img('create', '-f', iotests.imgfmt, new_img, '1440k')
self.vm = iotests.VM()
self.vm.add_drive(old_img, 'media=%s' % media, 'none')
self.vm.add_device('%s,drive=drive0,id=%s' %
(interface_to_device_name(interface),
self.device_name))
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(old_img)
os.remove(new_img)
def test_insert_on_filled(self):
result = self.vm.qmp('blockdev-add',
node_name='new',
driver=iotests.imgfmt,
file={'filename': new_img,
'driver': 'file'})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('blockdev-open-tray', id=self.device_name)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('blockdev-insert-medium', id=self.device_name,
node_name='new')
self.assert_qmp(result, 'error/class', 'GenericError')
class TestInitiallyEmpty(GeneralChangeTestsBaseClass):
was_empty = True
def setUp(self, media, interface):
qemu_img('create', '-f', iotests.imgfmt, new_img, '1440k')
self.vm = iotests.VM().add_drive(None, 'media=%s' % media, 'none')
self.vm.add_device('%s,drive=drive0,id=%s' %
(interface_to_device_name(interface),
self.device_name))
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(new_img)
def test_remove_on_empty(self):
result = self.vm.qmp('blockdev-open-tray', id=self.device_name)
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('blockdev-remove-medium', id=self.device_name)
# Should be a no-op
self.assert_qmp(result, 'return', {})
class TestCDInitiallyFilled(TestInitiallyFilled):
TestInitiallyFilled = TestInitiallyFilled
has_real_tray = True
def setUp(self):
self.TestInitiallyFilled.setUp(self, 'cdrom', 'ide')
class TestCDInitiallyEmpty(TestInitiallyEmpty):
TestInitiallyEmpty = TestInitiallyEmpty
has_real_tray = True
def setUp(self):
self.TestInitiallyEmpty.setUp(self, 'cdrom', 'ide')
class TestFloppyInitiallyFilled(TestInitiallyFilled):
TestInitiallyFilled = TestInitiallyFilled
has_real_tray = False
def setUp(self):
self.TestInitiallyFilled.setUp(self, 'disk', 'floppy')
class TestFloppyInitiallyEmpty(TestInitiallyEmpty):
TestInitiallyEmpty = TestInitiallyEmpty
has_real_tray = False
def setUp(self):
self.TestInitiallyEmpty.setUp(self, 'disk', 'floppy')
# FDDs not having a real tray and there not being a medium inside the
# tray at startup means the tray will be considered open
self.has_opened = True
class TestChangeReadOnly(ChangeBaseClass):
device_name = 'qdev0'
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, old_img, '1440k')
qemu_img('create', '-f', iotests.imgfmt, new_img, '1440k')
self.vm = iotests.VM()
def tearDown(self):
self.vm.shutdown()
os.chmod(old_img, 0o666)
os.chmod(new_img, 0o666)
os.remove(old_img)
os.remove(new_img)
def test_ro_ro_retain(self):
os.chmod(old_img, 0o444)
os.chmod(new_img, 0o444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='retain')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_ro_rw_retain(self):
os.chmod(old_img, 0o444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='retain')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_rw_ro_retain(self):
os.chmod(new_img, 0o444)
self.vm.add_drive(old_img, 'media=disk', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='retain')
self.assert_qmp(result, 'error/class', 'GenericError')
self.assertEquals(self.vm.get_qmp_events(wait=False), [])
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
def test_ro_rw(self):
os.chmod(old_img, 0o444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium',
id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='read-write')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_rw_ro(self):
os.chmod(new_img, 0o444)
self.vm.add_drive(old_img, 'media=disk', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium',
id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='read-only')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_make_rw_ro(self):
self.vm.add_drive(old_img, 'media=disk', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium',
id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='read-only')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_make_ro_rw(self):
os.chmod(new_img, 0o444)
self.vm.add_drive(old_img, 'media=disk', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium',
id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='read-write')
self.assert_qmp(result, 'error/class', 'GenericError')
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
def test_make_rw_ro_by_retain(self):
os.chmod(old_img, 0o444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='retain')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
def test_make_ro_rw_by_retain(self):
os.chmod(new_img, 0o444)
self.vm.add_drive(old_img, 'media=disk', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-change-medium', id=self.device_name,
filename=new_img,
format=iotests.imgfmt,
read_only_mode='retain')
self.assert_qmp(result, 'error/class', 'GenericError')
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
def test_rw_ro_cycle(self):
os.chmod(new_img, 0o444)
self.vm.add_drive(old_img, 'media=disk', 'none')
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-add',
node_name='new',
driver=iotests.imgfmt,
read_only=True,
file={'filename': new_img,
'driver': 'file'})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', False)
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
result = self.vm.qmp('blockdev-remove-medium', id=self.device_name)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp_absent(result, 'return[0]/inserted')
result = self.vm.qmp('blockdev-insert-medium', id=self.device_name,
node_name='new')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/ro', True)
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
GeneralChangeTestsBaseClass = None
TestInitiallyFilled = None
TestInitiallyEmpty = None
class TestBlockJobsAfterCycle(ChangeBaseClass):
device_name = 'qdev0'
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, old_img, '1440K')
self.vm = iotests.VM()
self.vm.add_drive_raw("id=drive0,driver=null-co,if=none")
self.vm.add_device('floppy,drive=drive0,id=%s' % self.device_name)
self.vm.launch()
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/image/format', 'null-co')
# For device-less BBs, calling blockdev-open-tray or blockdev-close-tray
# is not necessary
result = self.vm.qmp('blockdev-remove-medium', id=self.device_name)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp_absent(result, 'return[0]/inserted')
result = self.vm.qmp('blockdev-add',
node_name='node0',
driver=iotests.imgfmt,
file={'filename': old_img,
'driver': 'file'})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('blockdev-insert-medium', id=self.device_name,
node_name='node0')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
def tearDown(self):
self.vm.shutdown()
os.remove(old_img)
try:
os.remove(new_img)
except OSError:
pass
def test_snapshot_and_commit(self):
# We need backing file support
if iotests.imgfmt != 'qcow2' and iotests.imgfmt != 'qed':
return
result = self.vm.qmp('blockdev-snapshot-sync', device='drive0',
snapshot_file=new_img,
format=iotests.imgfmt)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
self.assert_qmp(result,
'return[0]/inserted/image/backing-image/filename',
old_img)
result = self.vm.qmp('block-commit', device='drive0')
self.assert_qmp(result, 'return', {})
self.vm.event_wait(name='BLOCK_JOB_READY')
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/device', 'drive0')
result = self.vm.qmp('block-job-complete', device='drive0')
self.assert_qmp(result, 'return', {})
self.vm.event_wait(name='BLOCK_JOB_COMPLETED')
if __name__ == '__main__':
if iotests.qemu_default_machine != 'pc':
# We need floppy and IDE CD-ROM
iotests.notrun('not suitable for this machine type: %s' %
iotests.qemu_default_machine)
# Need to support image creation
iotests.main(supported_fmts=['vpc', 'parallels', 'qcow', 'vdi', 'qcow2',
'vmdk', 'raw', 'vhdx', 'qed'])
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