#!/usr/bin/env python
#
# Tests for drive-backup and blockdev-backup
#
# Copyright (C) 2013, 2014 Red Hat, Inc.
#
# Based on 041.
#
# 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
test_img = os.path.join(iotests.test_dir, 'test.img')
target_img = os.path.join(iotests.test_dir, 'target.img')
blockdev_target_img = os.path.join(iotests.test_dir, 'blockdev-target.img')
image_len = 64 * 1024 * 1024 # MB
def setUpModule():
qemu_img('create', '-f', iotests.imgfmt, test_img, str(image_len))
qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x11 0 64k', test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x00 64k 128k', test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x22 162k 32k', test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xd5 1M 32k', test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xdc 32M 124k', test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x33 67043328 64k', test_img)
def tearDownModule():
os.remove(test_img)
class TestSingleDrive(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
self.vm.add_drive(blockdev_target_img, interface="none")
if iotests.qemu_default_machine == 'pc':
self.vm.add_drive(None, 'media=cdrom', 'ide')
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(blockdev_target_img)
try:
os.remove(target_img)
except OSError:
pass
def do_test_cancel(self, cmd, target):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0', target=target, sync='full')
self.assert_qmp(result, 'return', {})
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
def test_cancel_drive_backup(self):
self.do_test_cancel('drive-backup', target_img)
def test_cancel_blockdev_backup(self):
self.do_test_cancel('blockdev-backup', 'drive1')
def do_test_pause(self, cmd, target, image):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0',
target=target, sync='full')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-pause', device='drive0')
self.assert_qmp(result, 'return', {})
self.vm.resume_drive('drive0')
self.pause_job('drive0')
result = self.vm.qmp('query-block-jobs')
offset = self.dictpath(result, 'return[0]/offset')
time.sleep(0.5)
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.wait_until_completed()
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, image),
'target image does not match source after backup')
def test_pause_drive_backup(self):
self.do_test_pause('drive-backup', target_img, target_img)
def test_pause_blockdev_backup(self):
self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
def test_medium_not_found(self):
if iotests.qemu_default_machine != 'pc':
return
result = self.vm.qmp('drive-backup', device='drive2', # CD-ROM
target=target_img, sync='full')
self.assert_qmp(result, 'error/class', 'GenericError')
def test_medium_not_found_blockdev_backup(self):
if iotests.qemu_default_machine != 'pc':
return
result = self.vm.qmp('blockdev-backup', device='drive2', # CD-ROM
target='drive1', sync='full')
self.assert_qmp(result, 'error/class', 'GenericError')
def test_image_not_found(self):
result = self.vm.qmp('drive-backup', device='drive0',
target=target_img, sync='full', mode='existing')
self.assert_qmp(result, 'error/class', 'GenericError')
def test_invalid_format(self):
result = self.vm.qmp('drive-backup', device='drive0',
target=target_img, sync='full',
format='spaghetti-noodles')
self.assert_qmp(result, 'error/class', 'GenericError')
def do_test_device_not_found(self, cmd, **args):
result = self.vm.qmp(cmd, **args)
self.assert_qmp(result, 'error/class', 'GenericError')
def test_device_not_found(self):
self.do_test_device_not_found('drive-backup', device='nonexistent',
target=target_img, sync='full')
self.do_test_device_not_found('blockdev-backup', device='nonexistent',
target='drive0', sync='full')
self.do_test_device_not_found('blockdev-backup', device='drive0',
target='nonexistent', sync='full')
self.do_test_device_not_found('blockdev-backup', device='nonexistent',
target='nonexistent', sync='full')
def test_target_is_source(self):
result = self.vm.qmp('blockdev-backup', device='drive0',
target='drive0', sync='full')
self.assert_qmp(result, 'error/class', 'GenericError')
class TestSetSpeed(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
self.vm.add_drive(blockdev_target_img, interface="none")
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(blockdev_target_img)
try:
os.remove(target_img)
except OSError:
pass
def do_test_set_speed(self, cmd, target):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0', target=target, sync='full')
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)
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
# Check setting speed option works
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0',
target=target, sync='full', 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)
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
def test_set_speed_drive_backup(self):
self.do_test_set_speed('drive-backup', target_img)
def test_set_speed_blockdev_backup(self):
self.do_test_set_speed('blockdev-backup', 'drive1')
def do_test_set_speed_invalid(self, cmd, target):
self.assert_no_active_block_jobs()
result = self.vm.qmp(cmd, device='drive0',
target=target, sync='full', speed=-1)
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0',
target=target, sync='full')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
self.assert_qmp(result, 'error/class', 'GenericError')
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
def test_set_speed_invalid_drive_backup(self):
self.do_test_set_speed_invalid('drive-backup', target_img)
def test_set_speed_invalid_blockdev_backup(self):
self.do_test_set_speed_invalid('blockdev-backup', 'drive1')
# Note: We cannot use pause_drive() here, or the transaction command
# would stall. Instead, we limit the block job speed here.
class TestSingleTransaction(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
self.vm = iotests.VM().add_drive(test_img)
self.vm.add_drive(blockdev_target_img, interface="none")
if iotests.qemu_default_machine == 'pc':
self.vm.add_drive(None, 'media=cdrom', 'ide')
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(blockdev_target_img)
try:
os.remove(target_img)
except OSError:
pass
def do_test_cancel(self, cmd, target):
self.assert_no_active_block_jobs()
result = self.vm.qmp('transaction', actions=[{
'type': cmd,
'data': { 'device': 'drive0',
'target': target,
'sync': 'full',
'speed': 64 * 1024 },
}
])
self.assert_qmp(result, 'return', {})
event = self.cancel_and_wait()
self.assert_qmp(event, 'data/type', 'backup')
def test_cancel_drive_backup(self):
self.do_test_cancel('drive-backup', target_img)
def test_cancel_blockdev_backup(self):
self.do_test_cancel('blockdev-backup', 'drive1')
def do_test_pause(self, cmd, target, image):
self.assert_no_active_block_jobs()
result = self.vm.qmp('transaction', actions=[{
'type': cmd,
'data': { 'device': 'drive0',
'target': target,
'sync': 'full',
'speed': 64 * 1024 },
}
])
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-pause', device='drive0')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=0)
self.assert_qmp(result, 'return', {})
self.pause_job('drive0')
result = self.vm.qmp('query-block-jobs')
offset = self.dictpath(result, 'return[0]/offset')
time.sleep(0.5)
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.wait_until_completed()
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, image),
'target image does not match source after backup')
def test_pause_drive_backup(self):
self.do_test_pause('drive-backup', target_img, target_img)
def test_pause_blockdev_backup(self):
self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
def do_test_medium_not_found(self, cmd, target):
if iotests.qemu_default_machine != 'pc':
return
result = self.vm.qmp('transaction', actions=[{
'type': cmd,
'data': { 'device': 'drive2', # CD-ROM
'target': target,
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
def test_medium_not_found_drive_backup(self):
self.do_test_medium_not_found('drive-backup', target_img)
def test_medium_not_found_blockdev_backup(self):
self.do_test_medium_not_found('blockdev-backup', 'drive1')
def test_image_not_found(self):
result = self.vm.qmp('transaction', actions=[{
'type': 'drive-backup',
'data': { 'device': 'drive0',
'mode': 'existing',
'target': target_img,
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
def test_device_not_found(self):
result = self.vm.qmp('transaction', actions=[{
'type': 'drive-backup',
'data': { 'device': 'nonexistent',
'mode': 'existing',
'target': target_img,
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
result = self.vm.qmp('transaction', actions=[{
'type': 'blockdev-backup',
'data': { 'device': 'nonexistent',
'target': 'drive1',
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
result = self.vm.qmp('transaction', actions=[{
'type': 'blockdev-backup',
'data': { 'device': 'drive0',
'target': 'nonexistent',
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
result = self.vm.qmp('transaction', actions=[{
'type': 'blockdev-backup',
'data': { 'device': 'nonexistent',
'target': 'nonexistent',
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
def test_target_is_source(self):
result = self.vm.qmp('transaction', actions=[{
'type': 'blockdev-backup',
'data': { 'device': 'drive0',
'target': 'drive0',
'sync': 'full' },
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
def test_abort(self):
result = self.vm.qmp('transaction', actions=[{
'type': 'drive-backup',
'data': { 'device': 'nonexistent',
'mode': 'existing',
'target': target_img,
'sync': 'full' },
}, {
'type': 'Abort',
'data': {},
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_no_active_block_jobs()
result = self.vm.qmp('transaction', actions=[{
'type': 'blockdev-backup',
'data': { 'device': 'nonexistent',
'target': 'drive1',
'sync': 'full' },
}, {
'type': 'Abort',
'data': {},
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_no_active_block_jobs()
result = self.vm.qmp('transaction', actions=[{
'type': 'blockdev-backup',
'data': { 'device': 'drive0',
'target': 'nonexistent',
'sync': 'full' },
}, {
'type': 'Abort',
'data': {},
}
])
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_no_active_block_jobs()
class TestDriveCompression(iotests.QMPTestCase):
image_len = 64 * 1024 * 1024 # MB
fmt_supports_compression = [{'type': 'qcow2', 'args': ()},
{'type': 'vmdk', 'args': ('-o', 'subformat=streamOptimized')}]
def tearDown(self):
self.vm.shutdown()
os.remove(blockdev_target_img)
try:
os.remove(target_img)
except OSError:
pass
def do_prepare_drives(self, fmt, args, attach_target):
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
qemu_img('create', '-f', fmt, blockdev_target_img,
str(TestDriveCompression.image_len), *args)
if attach_target:
self.vm.add_drive(blockdev_target_img, format=fmt, interface="none")
self.vm.launch()
def do_test_compress_complete(self, cmd, format, attach_target, **args):
self.do_prepare_drives(format['type'], format['args'], attach_target)
self.assert_no_active_block_jobs()
result = self.vm.qmp(cmd, device='drive0', sync='full', compress=True, **args)
self.assert_qmp(result, 'return', {})
self.wait_until_completed()
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, blockdev_target_img,
iotests.imgfmt, format['type']),
'target image does not match source after backup')
def test_complete_compress_drive_backup(self):
for format in TestDriveCompression.fmt_supports_compression:
self.do_test_compress_complete('drive-backup', format, False,
target=blockdev_target_img, mode='existing')
def test_complete_compress_blockdev_backup(self):
for format in TestDriveCompression.fmt_supports_compression:
self.do_test_compress_complete('blockdev-backup', format, True,
target='drive1')
def do_test_compress_cancel(self, cmd, format, attach_target, **args):
self.do_prepare_drives(format['type'], format['args'], attach_target)
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0', sync='full', compress=True, **args)
self.assert_qmp(result, 'return', {})
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
self.vm.shutdown()
def test_compress_cancel_drive_backup(self):
for format in TestDriveCompression.fmt_supports_compression:
self.do_test_compress_cancel('drive-backup', format, False,
target=blockdev_target_img, mode='existing')
def test_compress_cancel_blockdev_backup(self):
for format in TestDriveCompression.fmt_supports_compression:
self.do_test_compress_cancel('blockdev-backup', format, True,
target='drive1')
def do_test_compress_pause(self, cmd, format, attach_target, **args):
self.do_prepare_drives(format['type'], format['args'], attach_target)
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0', sync='full', compress=True, **args)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-pause', device='drive0')
self.assert_qmp(result, 'return', {})
self.vm.resume_drive('drive0')
self.pause_job('drive0')
result = self.vm.qmp('query-block-jobs')
offset = self.dictpath(result, 'return[0]/offset')
time.sleep(0.5)
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.wait_until_completed()
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, blockdev_target_img,
iotests.imgfmt, format['type']),
'target image does not match source after backup')
def test_compress_pause_drive_backup(self):
for format in TestDriveCompression.fmt_supports_compression:
self.do_test_compress_pause('drive-backup', format, False,
target=blockdev_target_img, mode='existing')
def test_compress_pause_blockdev_backup(self):
for format in TestDriveCompression.fmt_supports_compression:
self.do_test_compress_pause('blockdev-backup', format, True,
target='drive1')
if __name__ == '__main__':
iotests.main(supported_fmts=['raw', 'qcow2'])
