6a9d73bdd0
055 uses the backup block job to create a compressed backup of an $IMGFMT image with both qcow2 and vmdk targets. However, cluster allocation in vmdk is very slow because it flushes the image file after each L2 update. There is no reason why we need this level of safety in this test, so let's disable flushes for vmdk. For the blockdev-backup tests this is achieved by simply adding the cache.no-flush=on to the drive_add() for the target. For drive-backup, the caching flags are copied from the source node, so we'll also add the flag to the source node, even though it is not vmdk. This can make the test run significantly faster (though it doesn't make a difference on tmpfs). In my usual setup it goes from ~45s to ~15s. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200505064618.16267-1-kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
617 lines
22 KiB
Python
Executable file
617 lines
22 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Tests for drive-backup and blockdev-backup
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#
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# Copyright (C) 2013, 2014 Red Hat, Inc.
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#
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# Based on 041.
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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 time
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import os
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import iotests
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from iotests import qemu_img, qemu_io
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test_img = os.path.join(iotests.test_dir, 'test.img')
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target_img = os.path.join(iotests.test_dir, 'target.img')
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blockdev_target_img = os.path.join(iotests.test_dir, 'blockdev-target.img')
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image_len = 64 * 1024 * 1024 # MB
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def setUpModule():
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qemu_img('create', '-f', iotests.imgfmt, test_img, str(image_len))
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qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x11 0 64k', test_img)
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qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x00 64k 128k', test_img)
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qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x22 162k 32k', test_img)
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qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xd5 1M 32k', test_img)
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qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xdc 32M 124k', test_img)
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qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x33 67043328 64k', test_img)
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def tearDownModule():
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os.remove(test_img)
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class TestSingleDrive(iotests.QMPTestCase):
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
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self.vm = iotests.VM()
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self.vm.add_drive('blkdebug::' + test_img, 'node-name=source')
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self.vm.add_drive(blockdev_target_img, 'node-name=target',
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interface="none")
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if iotests.qemu_default_machine == 'pc':
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self.vm.add_drive(None, 'media=cdrom', 'ide')
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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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os.remove(blockdev_target_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def do_test_cancel(self, cmd, target):
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp(cmd, device='drive0', target=target, sync='full')
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self.assert_qmp(result, 'return', {})
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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def test_cancel_drive_backup(self):
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self.do_test_cancel('drive-backup', target_img)
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def test_cancel_blockdev_backup(self):
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self.do_test_cancel('blockdev-backup', 'drive1')
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def do_test_pause(self, cmd, target, image):
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp(cmd, device='drive0',
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target=target, sync='full')
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self.assert_qmp(result, 'return', {})
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self.pause_job('drive0', wait=False)
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self.vm.resume_drive('drive0')
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self.pause_wait('drive0')
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result = self.vm.qmp('query-block-jobs')
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offset = self.dictpath(result, 'return[0]/offset')
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time.sleep(0.5)
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/offset', offset)
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed()
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, image),
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'target image does not match source after backup')
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def test_pause_drive_backup(self):
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self.do_test_pause('drive-backup', target_img, target_img)
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def test_pause_blockdev_backup(self):
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self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
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def do_test_resize_blockdev_backup(self, device, node):
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def pre_finalize():
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result = self.vm.qmp('block_resize', device=device, size=65536)
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('block_resize', node_name=node, size=65536)
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('blockdev-backup', job_id='job0', device='drive0',
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target='drive1', sync='full', auto_finalize=False,
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auto_dismiss=False)
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self.assert_qmp(result, 'return', {})
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self.vm.run_job('job0', auto_finalize=False, pre_finalize=pre_finalize)
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def test_source_resize_blockdev_backup(self):
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self.do_test_resize_blockdev_backup('drive0', 'source')
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def test_target_resize_blockdev_backup(self):
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self.do_test_resize_blockdev_backup('drive1', 'target')
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def do_test_target_size(self, size):
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result = self.vm.qmp('block_resize', device='drive1', size=size)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('blockdev-backup', job_id='job0', device='drive0',
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target='drive1', sync='full')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_small_target(self):
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self.do_test_target_size(image_len // 2)
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def test_large_target(self):
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self.do_test_target_size(image_len * 2)
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def test_medium_not_found(self):
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if iotests.qemu_default_machine != 'pc':
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return
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result = self.vm.qmp('drive-backup', device='drive2', # CD-ROM
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target=target_img, sync='full')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_medium_not_found_blockdev_backup(self):
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if iotests.qemu_default_machine != 'pc':
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return
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result = self.vm.qmp('blockdev-backup', device='drive2', # CD-ROM
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target='drive1', sync='full')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_image_not_found(self):
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full', mode='existing')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_invalid_format(self):
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full',
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format='spaghetti-noodles')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def do_test_device_not_found(self, cmd, **args):
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result = self.vm.qmp(cmd, **args)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_device_not_found(self):
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self.do_test_device_not_found('drive-backup', device='nonexistent',
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target=target_img, sync='full')
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self.do_test_device_not_found('blockdev-backup', device='nonexistent',
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target='drive0', sync='full')
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self.do_test_device_not_found('blockdev-backup', device='drive0',
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target='nonexistent', sync='full')
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self.do_test_device_not_found('blockdev-backup', device='nonexistent',
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target='nonexistent', sync='full')
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def test_target_is_source(self):
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result = self.vm.qmp('blockdev-backup', device='drive0',
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target='drive0', sync='full')
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self.assert_qmp(result, 'error/class', 'GenericError')
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class TestSetSpeed(iotests.QMPTestCase):
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
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self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
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self.vm.add_drive(blockdev_target_img, interface="none")
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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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os.remove(blockdev_target_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def do_test_set_speed(self, cmd, target):
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp(cmd, device='drive0', target=target, sync='full')
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self.assert_qmp(result, 'return', {})
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# Default speed is 0
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/device', 'drive0')
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self.assert_qmp(result, 'return[0]/speed', 0)
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result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024)
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self.assert_qmp(result, 'return', {})
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# Ensure the speed we set was accepted
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/device', 'drive0')
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self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024)
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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# Check setting speed option works
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self.vm.pause_drive('drive0')
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result = self.vm.qmp(cmd, device='drive0',
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target=target, sync='full', speed=4*1024*1024)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/device', 'drive0')
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self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024)
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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def test_set_speed_drive_backup(self):
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self.do_test_set_speed('drive-backup', target_img)
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def test_set_speed_blockdev_backup(self):
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self.do_test_set_speed('blockdev-backup', 'drive1')
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def do_test_set_speed_invalid(self, cmd, target):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp(cmd, device='drive0',
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target=target, sync='full', speed=-1)
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self.assert_qmp(result, 'error/class', 'GenericError')
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp(cmd, device='drive0',
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target=target, sync='full')
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
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self.assert_qmp(result, 'error/class', 'GenericError')
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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def test_set_speed_invalid_drive_backup(self):
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self.do_test_set_speed_invalid('drive-backup', target_img)
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def test_set_speed_invalid_blockdev_backup(self):
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self.do_test_set_speed_invalid('blockdev-backup', 'drive1')
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# Note: We cannot use pause_drive() here, or the transaction command
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# would stall. Instead, we limit the block job speed here.
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class TestSingleTransaction(iotests.QMPTestCase):
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.add_drive(blockdev_target_img, interface="none")
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if iotests.qemu_default_machine == 'pc':
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self.vm.add_drive(None, 'media=cdrom', 'ide')
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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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os.remove(blockdev_target_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def do_test_cancel(self, cmd, target):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('transaction', actions=[{
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'type': cmd,
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'data': { 'device': 'drive0',
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'target': target,
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'sync': 'full',
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'speed': 64 * 1024 },
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}
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])
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self.assert_qmp(result, 'return', {})
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event = self.cancel_and_wait()
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self.assert_qmp(event, 'data/type', 'backup')
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def test_cancel_drive_backup(self):
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self.do_test_cancel('drive-backup', target_img)
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def test_cancel_blockdev_backup(self):
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self.do_test_cancel('blockdev-backup', 'drive1')
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def do_test_pause(self, cmd, target, image):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('transaction', actions=[{
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'type': cmd,
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'data': { 'device': 'drive0',
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'target': target,
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'sync': 'full',
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'speed': 64 * 1024 },
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}
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])
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self.assert_qmp(result, 'return', {})
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self.pause_job('drive0', wait=False)
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result = self.vm.qmp('block-job-set-speed', device='drive0', speed=0)
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self.assert_qmp(result, 'return', {})
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self.pause_wait('drive0')
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result = self.vm.qmp('query-block-jobs')
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offset = self.dictpath(result, 'return[0]/offset')
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time.sleep(0.5)
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/offset', offset)
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed()
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, image),
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'target image does not match source after backup')
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def test_pause_drive_backup(self):
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self.do_test_pause('drive-backup', target_img, target_img)
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def test_pause_blockdev_backup(self):
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self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
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def do_test_medium_not_found(self, cmd, target):
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if iotests.qemu_default_machine != 'pc':
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return
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result = self.vm.qmp('transaction', actions=[{
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'type': cmd,
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'data': { 'device': 'drive2', # CD-ROM
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'target': target,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_medium_not_found_drive_backup(self):
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self.do_test_medium_not_found('drive-backup', target_img)
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def test_medium_not_found_blockdev_backup(self):
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self.do_test_medium_not_found('blockdev-backup', 'drive1')
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def test_image_not_found(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'drive0',
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'mode': 'existing',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_device_not_found(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'nonexistent',
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'mode': 'existing',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('transaction', actions=[{
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'type': 'blockdev-backup',
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'data': { 'device': 'nonexistent',
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'target': 'drive1',
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('transaction', actions=[{
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'type': 'blockdev-backup',
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'data': { 'device': 'drive0',
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'target': 'nonexistent',
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('transaction', actions=[{
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'type': 'blockdev-backup',
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'data': { 'device': 'nonexistent',
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'target': 'nonexistent',
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_target_is_source(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'blockdev-backup',
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'data': { 'device': 'drive0',
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'target': 'drive0',
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_abort(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'nonexistent',
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|
'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 TestCompressedToQcow2(iotests.QMPTestCase):
|
|
image_len = 64 * 1024 * 1024 # MB
|
|
target_fmt = {'type': 'qcow2', 'args': (), 'drive-opts': ''}
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(blockdev_target_img)
|
|
try:
|
|
os.remove(target_img)
|
|
except OSError:
|
|
pass
|
|
|
|
def do_prepare_drives(self, attach_target):
|
|
self.vm = iotests.VM().add_drive('blkdebug::' + test_img,
|
|
opts=self.target_fmt['drive-opts'])
|
|
|
|
qemu_img('create', '-f', self.target_fmt['type'], blockdev_target_img,
|
|
str(self.image_len), *self.target_fmt['args'])
|
|
if attach_target:
|
|
self.vm.add_drive(blockdev_target_img,
|
|
img_format=self.target_fmt['type'],
|
|
interface="none",
|
|
opts=self.target_fmt['drive-opts'])
|
|
|
|
self.vm.launch()
|
|
|
|
def do_test_compress_complete(self, cmd, attach_target, **args):
|
|
self.do_prepare_drives(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,
|
|
self.target_fmt['type']),
|
|
'target image does not match source after backup')
|
|
|
|
def test_complete_compress_drive_backup(self):
|
|
self.do_test_compress_complete('drive-backup', False,
|
|
target=blockdev_target_img,
|
|
mode='existing')
|
|
|
|
def test_complete_compress_blockdev_backup(self):
|
|
self.do_test_compress_complete('blockdev-backup',
|
|
True, target='drive1')
|
|
|
|
def do_test_compress_cancel(self, cmd, attach_target, **args):
|
|
self.do_prepare_drives(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):
|
|
self.do_test_compress_cancel('drive-backup', False,
|
|
target=blockdev_target_img,
|
|
mode='existing')
|
|
|
|
def test_compress_cancel_blockdev_backup(self):
|
|
self.do_test_compress_cancel('blockdev-backup', True,
|
|
target='drive1')
|
|
|
|
def do_test_compress_pause(self, cmd, attach_target, **args):
|
|
self.do_prepare_drives(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', {})
|
|
|
|
self.pause_job('drive0', wait=False)
|
|
self.vm.resume_drive('drive0')
|
|
self.pause_wait('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,
|
|
self.target_fmt['type']),
|
|
'target image does not match source after backup')
|
|
|
|
def test_compress_pause_drive_backup(self):
|
|
self.do_test_compress_pause('drive-backup', False,
|
|
target=blockdev_target_img,
|
|
mode='existing')
|
|
|
|
def test_compress_pause_blockdev_backup(self):
|
|
self.do_test_compress_pause('blockdev-backup', True,
|
|
target='drive1')
|
|
|
|
|
|
class TestCompressedToVmdk(TestCompressedToQcow2):
|
|
target_fmt = {'type': 'vmdk', 'args': ('-o', 'subformat=streamOptimized'),
|
|
'drive-opts': 'cache.no-flush=on'}
|
|
|
|
@iotests.skip_if_unsupported(['vmdk'])
|
|
def setUp(self):
|
|
pass
|
|
|
|
|
|
if __name__ == '__main__':
|
|
iotests.main(supported_fmts=['raw', 'qcow2'],
|
|
supported_protocols=['file'])
|