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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')
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
timeout = time.clock() + 3
while not self.has_opened and time.clock() < timeout:
self.process_events()
if not self.has_opened:
self.fail('Timeout while waiting for the tray to open')
def wait_for_close(self):
if not self.has_real_tray:
return
timeout = time.clock() + 3
while not self.has_closed and time.clock() < timeout:
self.process_events()
if not self.has_opened:
self.fail('Timeout while waiting for the tray to close')
class GeneralChangeTestsBaseClass(ChangeBaseClass):
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', device='drive0',
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', device='drive0', 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', device='drive0', 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', device='drive0',
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', device='drive0', 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', device='drive0')
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', device='drive0', 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', device='drive0')
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', device='drive0', 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', device='drive0',
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',
options={'node-name': 'new',
'driver': iotests.imgfmt,
'file': {'filename': new_img,
'driver': 'file'}})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('blockdev-open-tray', device='drive0', 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('x-blockdev-remove-medium', device='drive0')
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('x-blockdev-insert-medium', device='drive0',
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', device='drive0')
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', device='drive0')
# 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('x-blockdev-remove-medium', device='drive0')
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',
options={'node-name': 'new',
'driver': iotests.imgfmt,
'file': {'filename': new_img,
'driver': 'file'}})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
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().add_drive(old_img, 'media=%s' % media, interface)
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',
options={'node-name': 'new',
'driver': iotests.imgfmt,
'file': {'filename': new_img,
'driver': 'file'}})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('blockdev-open-tray', device='drive0')
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
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, interface)
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', device='drive0')
self.assert_qmp(result, 'return', {})
self.wait_for_open()
result = self.vm.qmp('x-blockdev-remove-medium', device='drive0')
# 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):
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, 0666)
os.chmod(new_img, 0666)
os.remove(old_img)
os.remove(new_img)
def test_ro_ro_retain(self):
os.chmod(old_img, 0444)
os.chmod(new_img, 0444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
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', device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
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', device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk', 'floppy')
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', device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
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',
device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk', 'floppy')
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',
device='drive0',
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', 'floppy')
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',
device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk', 'floppy')
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',
device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
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', device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk', 'floppy')
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', device='drive0',
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, 0444)
self.vm.add_drive(old_img, 'media=disk', 'floppy')
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',
options={'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('x-blockdev-remove-medium', device='drive0')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block')
self.assert_qmp_absent(result, 'return[0]/inserted')
result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
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):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, old_img, '1M')
self.vm = iotests.VM()
self.vm.launch()
result = self.vm.qmp('blockdev-add',
options={'id': 'drive0',
'driver': 'null-co'})
self.assert_qmp(result, 'return', {})
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('x-blockdev-remove-medium', device='drive0')
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',
options={'node-name': 'node0',
'driver': iotests.imgfmt,
'file': {'filename': old_img,
'driver': 'file'}})
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
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)
iotests.main()
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