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	 22329f0d29
			
		
	
	
		22329f0d29
		
	
	
	
	
		
			
			Commit f1d5516ab5 introduces a test in some iotests to check if
the machine is a s390-ccw-virtio and to select virtio-*-ccw rather
than virtio-*-pci.
We don't need that because QEMU already provides aliases to use the correct
virtio interface according to the machine type.
This patch removes all virtio-*-pci and virtio-*-ccw to use virtio-*
instead and remove get_virtio_scsi_device().
This also enables virtio-mmio devices (virtio-*-device)
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20210319202335.2397060-5-laurent@vivier.eu>
Message-Id: <20210323165308.15244-20-alex.bennee@linaro.org>
		
	
			
		
			
				
	
	
		
			979 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			979 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env python3
 | |
| # group: rw auto
 | |
| #
 | |
| # Tests for image block commit.
 | |
| #
 | |
| # Copyright (C) 2012 IBM, Corp.
 | |
| # Copyright (C) 2012 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.
 | |
| #
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| # 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.
 | |
| #
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| # You should have received a copy of the GNU General Public License
 | |
| # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | |
| #
 | |
| # Test for live block commit
 | |
| # Derived from Image Streaming Test 030
 | |
| 
 | |
| import time
 | |
| import os
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| import iotests
 | |
| from iotests import qemu_img, qemu_io
 | |
| import struct
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| import errno
 | |
| 
 | |
| backing_img = os.path.join(iotests.test_dir, 'backing.img')
 | |
| mid_img = os.path.join(iotests.test_dir, 'mid.img')
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| test_img = os.path.join(iotests.test_dir, 'test.img')
 | |
| 
 | |
| class ImageCommitTestCase(iotests.QMPTestCase):
 | |
|     '''Abstract base class for image commit test cases'''
 | |
| 
 | |
|     def wait_for_complete(self, need_ready=False):
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|         completed = False
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|         ready = False
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|         while not completed:
 | |
|             for event in self.vm.get_qmp_events(wait=True):
 | |
|                 if event['event'] == 'BLOCK_JOB_COMPLETED':
 | |
|                     self.assert_qmp_absent(event, 'data/error')
 | |
|                     self.assert_qmp(event, 'data/type', 'commit')
 | |
|                     self.assert_qmp(event, 'data/device', 'drive0')
 | |
|                     self.assert_qmp(event, 'data/offset', event['data']['len'])
 | |
|                     if need_ready:
 | |
|                         self.assertTrue(ready, "Expecting BLOCK_JOB_COMPLETED event")
 | |
|                     completed = True
 | |
|                 elif event['event'] == 'BLOCK_JOB_READY':
 | |
|                     ready = True
 | |
|                     self.assert_qmp(event, 'data/type', 'commit')
 | |
|                     self.assert_qmp(event, 'data/device', 'drive0')
 | |
|                     self.vm.qmp('block-job-complete', device='drive0')
 | |
| 
 | |
|         self.assert_no_active_block_jobs()
 | |
|         self.vm.shutdown()
 | |
| 
 | |
|     def run_commit_test(self, top, base, need_ready=False, node_names=False):
 | |
|         self.assert_no_active_block_jobs()
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|         if node_names:
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|             result = self.vm.qmp('block-commit', device='drive0', top_node=top, base_node=base)
 | |
|         else:
 | |
|             result = self.vm.qmp('block-commit', device='drive0', top=top, base=base)
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         self.wait_for_complete(need_ready)
 | |
| 
 | |
|     def run_default_commit_test(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         self.wait_for_complete()
 | |
| 
 | |
| class TestSingleDrive(ImageCommitTestCase):
 | |
|     # Need some space after the copied data so that throttling is effective in
 | |
|     # tests that use it rather than just completing the job immediately
 | |
|     image_len = 2 * 1024 * 1024
 | |
|     test_len = 1 * 1024 * 256
 | |
| 
 | |
|     def setUp(self):
 | |
|         iotests.create_image(backing_img, self.image_len)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % backing_img, '-F', 'raw', mid_img)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % mid_img,
 | |
|                  '-F', iotests.imgfmt, test_img)
 | |
|         qemu_io('-f', 'raw', '-c', 'write -P 0xab 0 524288', backing_img)
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', mid_img)
 | |
|         self.vm = iotests.VM().add_drive(test_img, "node-name=top,backing.node-name=mid,backing.backing.node-name=base", interface="none")
 | |
|         self.vm.add_device('virtio-scsi')
 | |
|         self.vm.add_device("scsi-hd,id=scsi0,drive=drive0")
 | |
|         self.vm.launch()
 | |
|         self.has_quit = False
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown(has_quit=self.has_quit)
 | |
|         os.remove(test_img)
 | |
|         os.remove(mid_img)
 | |
|         os.remove(backing_img)
 | |
| 
 | |
|     def test_commit(self):
 | |
|         self.run_commit_test(mid_img, backing_img)
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
 | |
| 
 | |
|     def test_commit_node(self):
 | |
|         self.run_commit_test("mid", "base", node_names=True)
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
 | |
| 
 | |
|     @iotests.skip_if_unsupported(['throttle'])
 | |
|     def test_commit_with_filter_and_quit(self):
 | |
|         result = self.vm.qmp('object-add', qom_type='throttle-group', id='tg')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         # Add a filter outside of the backing chain
 | |
|         result = self.vm.qmp('blockdev-add', driver='throttle', node_name='filter', throttle_group='tg', file='mid')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         result = self.vm.qmp('block-commit', device='drive0')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         # Quit immediately, thus forcing a simultaneous cancel of the
 | |
|         # block job and a bdrv_drain_all()
 | |
|         result = self.vm.qmp('quit')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         self.has_quit = True
 | |
| 
 | |
|     # Same as above, but this time we add the filter after starting the job
 | |
|     @iotests.skip_if_unsupported(['throttle'])
 | |
|     def test_commit_plus_filter_and_quit(self):
 | |
|         result = self.vm.qmp('object-add', qom_type='throttle-group', id='tg')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         result = self.vm.qmp('block-commit', device='drive0')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         # Add a filter outside of the backing chain
 | |
|         result = self.vm.qmp('blockdev-add', driver='throttle', node_name='filter', throttle_group='tg', file='mid')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         # Quit immediately, thus forcing a simultaneous cancel of the
 | |
|         # block job and a bdrv_drain_all()
 | |
|         result = self.vm.qmp('quit')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         self.has_quit = True
 | |
| 
 | |
|     def test_device_not_found(self):
 | |
|         result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % mid_img)
 | |
|         self.assert_qmp(result, 'error/class', 'DeviceNotFound')
 | |
| 
 | |
|     def test_top_same_base(self):
 | |
|         self.assert_no_active_block_jobs()
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|         result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % backing_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Can't find '%s' in the backing chain" % backing_img)
 | |
| 
 | |
|     def test_top_invalid(self):
 | |
|         self.assert_no_active_block_jobs()
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|         result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % backing_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', 'Top image file badfile not found')
 | |
| 
 | |
|     def test_base_invalid(self):
 | |
|         self.assert_no_active_block_jobs()
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|         result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img, base='badfile')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Can't find 'badfile' in the backing chain")
 | |
| 
 | |
|     def test_top_node_invalid(self):
 | |
|         self.assert_no_active_block_jobs()
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|         result = self.vm.qmp('block-commit', device='drive0', top_node='badfile', base_node='base')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Cannot find device='' nor node-name='badfile'")
 | |
| 
 | |
|     def test_base_node_invalid(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top_node='mid', base_node='badfile')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Cannot find device='' nor node-name='badfile'")
 | |
| 
 | |
|     def test_top_path_and_node(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top_node='mid', base_node='base', top='%s' % mid_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "'top-node' and 'top' are mutually exclusive")
 | |
| 
 | |
|     def test_base_path_and_node(self):
 | |
|         self.assert_no_active_block_jobs()
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|         result = self.vm.qmp('block-commit', device='drive0', top_node='mid', base_node='base', base='%s' % backing_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "'base-node' and 'base' are mutually exclusive")
 | |
| 
 | |
|     def test_top_is_active(self):
 | |
|         self.run_commit_test(test_img, backing_img, need_ready=True)
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|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
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|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
 | |
| 
 | |
|     def test_top_is_default_active(self):
 | |
|         self.run_default_commit_test()
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
 | |
| 
 | |
|     def test_top_and_base_reversed(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % mid_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Can't find '%s' in the backing chain" % mid_img)
 | |
| 
 | |
|     def test_top_and_base_node_reversed(self):
 | |
|         self.assert_no_active_block_jobs()
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|         result = self.vm.qmp('block-commit', device='drive0', top_node='base', base_node='top')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "'top' is not in this backing file chain")
 | |
| 
 | |
|     def test_top_node_in_wrong_chain(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
| 
 | |
|         result = self.vm.qmp('blockdev-add', driver='null-co', node_name='null')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top_node='null', base_node='base')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "'null' is not in this backing file chain")
 | |
| 
 | |
|     # When the job is running on a BB that is automatically deleted on hot
 | |
|     # unplug, the job is cancelled when the device disappears
 | |
|     def test_hot_unplug(self):
 | |
|         if self.image_len == 0:
 | |
|             return
 | |
| 
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top=mid_img,
 | |
|                              base=backing_img, speed=(self.image_len // 4))
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         result = self.vm.qmp('device_del', id='scsi0')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         cancelled = False
 | |
|         deleted = False
 | |
|         while not cancelled or not deleted:
 | |
|             for event in self.vm.get_qmp_events(wait=True):
 | |
|                 if event['event'] == 'DEVICE_DELETED':
 | |
|                     self.assert_qmp(event, 'data/device', 'scsi0')
 | |
|                     deleted = True
 | |
|                 elif event['event'] == 'BLOCK_JOB_CANCELLED':
 | |
|                     self.assert_qmp(event, 'data/device', 'drive0')
 | |
|                     cancelled = True
 | |
|                 elif event['event'] == 'JOB_STATUS_CHANGE':
 | |
|                     self.assert_qmp(event, 'data/id', 'drive0')
 | |
|                 else:
 | |
|                     self.fail("Unexpected event %s" % (event['event']))
 | |
| 
 | |
|         self.assert_no_active_block_jobs()
 | |
| 
 | |
|     # Tests that the insertion of the commit_top filter node doesn't make a
 | |
|     # difference to query-blockstat
 | |
|     def test_implicit_node(self):
 | |
|         if self.image_len == 0:
 | |
|             return
 | |
| 
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top=mid_img,
 | |
|                              base=backing_img, speed=(self.image_len // 4))
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         result = self.vm.qmp('query-block')
 | |
|         self.assert_qmp(result, 'return[0]/inserted/file', test_img)
 | |
|         self.assert_qmp(result, 'return[0]/inserted/drv', iotests.imgfmt)
 | |
|         self.assert_qmp(result, 'return[0]/inserted/backing_file', mid_img)
 | |
|         self.assert_qmp(result, 'return[0]/inserted/backing_file_depth', 2)
 | |
|         self.assert_qmp(result, 'return[0]/inserted/image/filename', test_img)
 | |
|         self.assert_qmp(result, 'return[0]/inserted/image/backing-image/filename', mid_img)
 | |
|         self.assert_qmp(result, 'return[0]/inserted/image/backing-image/backing-image/filename', backing_img)
 | |
| 
 | |
|         result = self.vm.qmp('query-blockstats')
 | |
|         self.assert_qmp(result, 'return[0]/node-name', 'top')
 | |
|         self.assert_qmp(result, 'return[0]/backing/node-name', 'mid')
 | |
|         self.assert_qmp(result, 'return[0]/backing/backing/node-name', 'base')
 | |
| 
 | |
|         self.cancel_and_wait()
 | |
|         self.assert_no_active_block_jobs()
 | |
| 
 | |
| class TestRelativePaths(ImageCommitTestCase):
 | |
|     image_len = 1 * 1024 * 1024
 | |
|     test_len = 1 * 1024 * 256
 | |
| 
 | |
|     dir1 = "dir1"
 | |
|     dir2 = "dir2/"
 | |
|     dir3 = "dir2/dir3/"
 | |
| 
 | |
|     test_img = os.path.join(iotests.test_dir, dir3, 'test.img')
 | |
|     mid_img = "../mid.img"
 | |
|     backing_img = "../dir1/backing.img"
 | |
| 
 | |
|     backing_img_abs = os.path.join(iotests.test_dir, dir1, 'backing.img')
 | |
|     mid_img_abs = os.path.join(iotests.test_dir, dir2, 'mid.img')
 | |
| 
 | |
|     def setUp(self):
 | |
|         try:
 | |
|             os.mkdir(os.path.join(iotests.test_dir, self.dir1))
 | |
|             os.mkdir(os.path.join(iotests.test_dir, self.dir2))
 | |
|             os.mkdir(os.path.join(iotests.test_dir, self.dir3))
 | |
|         except OSError as exception:
 | |
|             if exception.errno != errno.EEXIST:
 | |
|                 raise
 | |
|         iotests.create_image(self.backing_img_abs, TestRelativePaths.image_len)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % self.backing_img_abs,
 | |
|                  '-F', 'raw', self.mid_img_abs)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % self.mid_img_abs,
 | |
|                  '-F', iotests.imgfmt, self.test_img)
 | |
|         qemu_img('rebase', '-u', '-b', self.backing_img,
 | |
|                  '-F', 'raw', self.mid_img_abs)
 | |
|         qemu_img('rebase', '-u', '-b', self.mid_img,
 | |
|                  '-F', iotests.imgfmt, self.test_img)
 | |
|         qemu_io('-f', 'raw', '-c', 'write -P 0xab 0 524288', self.backing_img_abs)
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', self.mid_img_abs)
 | |
|         self.vm = iotests.VM().add_drive(self.test_img)
 | |
|         self.vm.launch()
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown()
 | |
|         os.remove(self.test_img)
 | |
|         os.remove(self.mid_img_abs)
 | |
|         os.remove(self.backing_img_abs)
 | |
|         try:
 | |
|             os.rmdir(os.path.join(iotests.test_dir, self.dir1))
 | |
|             os.rmdir(os.path.join(iotests.test_dir, self.dir3))
 | |
|             os.rmdir(os.path.join(iotests.test_dir, self.dir2))
 | |
|         except OSError as exception:
 | |
|             if exception.errno != errno.EEXIST and exception.errno != errno.ENOTEMPTY:
 | |
|                 raise
 | |
| 
 | |
|     def test_commit(self):
 | |
|         self.run_commit_test(self.mid_img, self.backing_img)
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed"))
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed"))
 | |
| 
 | |
|     def test_device_not_found(self):
 | |
|         result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % self.mid_img)
 | |
|         self.assert_qmp(result, 'error/class', 'DeviceNotFound')
 | |
| 
 | |
|     def test_top_same_base(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='%s' % self.mid_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Can't find '%s' in the backing chain" % self.mid_img)
 | |
| 
 | |
|     def test_top_invalid(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % self.backing_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', 'Top image file badfile not found')
 | |
| 
 | |
|     def test_base_invalid(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='badfile')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Can't find 'badfile' in the backing chain")
 | |
| 
 | |
|     def test_top_is_active(self):
 | |
|         self.run_commit_test(self.test_img, self.backing_img)
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed"))
 | |
|         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed"))
 | |
| 
 | |
|     def test_top_and_base_reversed(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.backing_img, base='%s' % self.mid_img)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', "Can't find '%s' in the backing chain" % self.mid_img)
 | |
| 
 | |
| 
 | |
| class TestSetSpeed(ImageCommitTestCase):
 | |
|     image_len = 80 * 1024 * 1024 # MB
 | |
| 
 | |
|     def setUp(self):
 | |
|         qemu_img('create', backing_img, str(TestSetSpeed.image_len))
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % backing_img, '-F', 'raw', mid_img)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % mid_img,
 | |
|                  '-F', iotests.imgfmt, test_img)
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 0 512', test_img)
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', mid_img)
 | |
|         self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
 | |
|         self.vm.launch()
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown()
 | |
|         os.remove(test_img)
 | |
|         os.remove(mid_img)
 | |
|         os.remove(backing_img)
 | |
| 
 | |
|     def test_set_speed(self):
 | |
|         self.assert_no_active_block_jobs()
 | |
| 
 | |
|         self.vm.pause_drive('drive0')
 | |
|         result = self.vm.qmp('block-commit', device='drive0', top=mid_img, speed=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', 1024 * 1024)
 | |
| 
 | |
|         self.cancel_and_wait(resume=True)
 | |
| 
 | |
| class TestActiveZeroLengthImage(TestSingleDrive):
 | |
|     image_len = 0
 | |
| 
 | |
| class TestReopenOverlay(ImageCommitTestCase):
 | |
|     image_len = 1024 * 1024
 | |
|     img0 = os.path.join(iotests.test_dir, '0.img')
 | |
|     img1 = os.path.join(iotests.test_dir, '1.img')
 | |
|     img2 = os.path.join(iotests.test_dir, '2.img')
 | |
|     img3 = os.path.join(iotests.test_dir, '3.img')
 | |
| 
 | |
|     def setUp(self):
 | |
|         iotests.create_image(self.img0, self.image_len)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % self.img0, '-F', 'raw', self.img1)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % self.img1,
 | |
|                  '-F', iotests.imgfmt, self.img2)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % self.img2,
 | |
|                  '-F', iotests.imgfmt, self.img3)
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xab 0 128K', self.img1)
 | |
|         self.vm = iotests.VM().add_drive(self.img3)
 | |
|         self.vm.launch()
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown()
 | |
|         os.remove(self.img0)
 | |
|         os.remove(self.img1)
 | |
|         os.remove(self.img2)
 | |
|         os.remove(self.img3)
 | |
| 
 | |
|     # This tests what happens when the overlay image of the 'top' node
 | |
|     # needs to be reopened in read-write mode in order to update the
 | |
|     # backing image string.
 | |
|     def test_reopen_overlay(self):
 | |
|         self.run_commit_test(self.img1, self.img0)
 | |
| 
 | |
| class TestErrorHandling(iotests.QMPTestCase):
 | |
|     image_len = 2 * 1024 * 1024
 | |
| 
 | |
|     def setUp(self):
 | |
|         iotests.create_image(backing_img, self.image_len)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % backing_img,
 | |
|                  '-F', 'raw', mid_img)
 | |
|         qemu_img('create', '-f', iotests.imgfmt,
 | |
|                  '-o', 'backing_file=%s' % mid_img,
 | |
|                  '-F', iotests.imgfmt, test_img)
 | |
| 
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x11 0 512k', mid_img)
 | |
|         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x22 0 512k', test_img)
 | |
| 
 | |
|         self.vm = iotests.VM()
 | |
|         self.vm.launch()
 | |
| 
 | |
|         self.blkdebug_file = iotests.file_path("blkdebug.conf")
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown()
 | |
|         os.remove(test_img)
 | |
|         os.remove(mid_img)
 | |
|         os.remove(backing_img)
 | |
| 
 | |
|     def blockdev_add(self, **kwargs):
 | |
|         result = self.vm.qmp('blockdev-add', **kwargs)
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|     def add_block_nodes(self, base_debug=None, mid_debug=None, top_debug=None):
 | |
|         self.blockdev_add(node_name='base-file', driver='file',
 | |
|                           filename=backing_img)
 | |
|         self.blockdev_add(node_name='mid-file', driver='file',
 | |
|                           filename=mid_img)
 | |
|         self.blockdev_add(node_name='top-file', driver='file',
 | |
|                           filename=test_img)
 | |
| 
 | |
|         if base_debug:
 | |
|             self.blockdev_add(node_name='base-dbg', driver='blkdebug',
 | |
|                               image='base-file', inject_error=base_debug)
 | |
|         if mid_debug:
 | |
|             self.blockdev_add(node_name='mid-dbg', driver='blkdebug',
 | |
|                               image='mid-file', inject_error=mid_debug)
 | |
|         if top_debug:
 | |
|             self.blockdev_add(node_name='top-dbg', driver='blkdebug',
 | |
|                               image='top-file', inject_error=top_debug)
 | |
| 
 | |
|         self.blockdev_add(node_name='base-fmt', driver='raw',
 | |
|                           file=('base-dbg' if base_debug else 'base-file'))
 | |
|         self.blockdev_add(node_name='mid-fmt', driver=iotests.imgfmt,
 | |
|                           file=('mid-dbg' if mid_debug else 'mid-file'),
 | |
|                           backing='base-fmt')
 | |
|         self.blockdev_add(node_name='top-fmt', driver=iotests.imgfmt,
 | |
|                           file=('top-dbg' if top_debug else 'top-file'),
 | |
|                           backing='mid-fmt')
 | |
| 
 | |
|     def run_job(self, expected_events, error_pauses_job=False):
 | |
|         match_device = {'data': {'device': 'job0'}}
 | |
|         events = [
 | |
|             ('BLOCK_JOB_COMPLETED', match_device),
 | |
|             ('BLOCK_JOB_CANCELLED', match_device),
 | |
|             ('BLOCK_JOB_ERROR', match_device),
 | |
|             ('BLOCK_JOB_READY', match_device),
 | |
|         ]
 | |
| 
 | |
|         completed = False
 | |
|         log = []
 | |
|         while not completed:
 | |
|             ev = self.vm.events_wait(events, timeout=5.0)
 | |
|             if ev['event'] == 'BLOCK_JOB_COMPLETED':
 | |
|                 completed = True
 | |
|             elif ev['event'] == 'BLOCK_JOB_ERROR':
 | |
|                 if error_pauses_job:
 | |
|                     result = self.vm.qmp('block-job-resume', device='job0')
 | |
|                     self.assert_qmp(result, 'return', {})
 | |
|             elif ev['event'] == 'BLOCK_JOB_READY':
 | |
|                 result = self.vm.qmp('block-job-complete', device='job0')
 | |
|                 self.assert_qmp(result, 'return', {})
 | |
|             else:
 | |
|                 self.fail("Unexpected event: %s" % ev)
 | |
|             log.append(iotests.filter_qmp_event(ev))
 | |
| 
 | |
|         self.maxDiff = None
 | |
|         self.assertEqual(expected_events, log)
 | |
| 
 | |
|     def event_error(self, op, action):
 | |
|         return {
 | |
|             'event': 'BLOCK_JOB_ERROR',
 | |
|             'data': {'action': action, 'device': 'job0', 'operation': op},
 | |
|             'timestamp': {'microseconds': 'USECS', 'seconds': 'SECS'}
 | |
|         }
 | |
| 
 | |
|     def event_ready(self):
 | |
|         return {
 | |
|             'event': 'BLOCK_JOB_READY',
 | |
|             'data': {'device': 'job0',
 | |
|                      'len': 524288,
 | |
|                      'offset': 524288,
 | |
|                      'speed': 0,
 | |
|                      'type': 'commit'},
 | |
|             'timestamp': {'microseconds': 'USECS', 'seconds': 'SECS'},
 | |
|         }
 | |
| 
 | |
|     def event_completed(self, errmsg=None, active=True):
 | |
|         max_len = 524288 if active else self.image_len
 | |
|         data = {
 | |
|             'device': 'job0',
 | |
|             'len': max_len,
 | |
|             'offset': 0 if errmsg else max_len,
 | |
|             'speed': 0,
 | |
|             'type': 'commit'
 | |
|         }
 | |
|         if errmsg:
 | |
|             data['error'] = errmsg
 | |
| 
 | |
|         return {
 | |
|             'event': 'BLOCK_JOB_COMPLETED',
 | |
|             'data': data,
 | |
|             'timestamp': {'microseconds': 'USECS', 'seconds': 'SECS'},
 | |
|         }
 | |
| 
 | |
|     def blkdebug_event(self, event, is_raw=False):
 | |
|         if event:
 | |
|             return [{
 | |
|                 'event': event,
 | |
|                 'sector': 512 if is_raw else 1024,
 | |
|                 'once': True,
 | |
|             }]
 | |
|         return None
 | |
| 
 | |
|     def prepare_and_start_job(self, on_error, active=True,
 | |
|                               top_event=None, mid_event=None, base_event=None):
 | |
| 
 | |
|         top_debug = self.blkdebug_event(top_event)
 | |
|         mid_debug = self.blkdebug_event(mid_event)
 | |
|         base_debug = self.blkdebug_event(base_event, True)
 | |
| 
 | |
|         self.add_block_nodes(top_debug=top_debug, mid_debug=mid_debug,
 | |
|                              base_debug=base_debug)
 | |
| 
 | |
|         result = self.vm.qmp('block-commit', job_id='job0', device='top-fmt',
 | |
|                              top_node='top-fmt' if active else 'mid-fmt',
 | |
|                              base_node='mid-fmt' if active else 'base-fmt',
 | |
|                              on_error=on_error)
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|     def testActiveReadErrorReport(self):
 | |
|         self.prepare_and_start_job('report', top_event='read_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('read', 'report'),
 | |
|             self.event_completed('Input/output error')
 | |
|         ])
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertFalse(iotests.compare_images(test_img, mid_img),
 | |
|                          'target image matches source after error')
 | |
| 
 | |
|     def testActiveReadErrorStop(self):
 | |
|         self.prepare_and_start_job('stop', top_event='read_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('read', 'stop'),
 | |
|             self.event_ready(),
 | |
|             self.event_completed()
 | |
|         ], error_pauses_job=True)
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(test_img, mid_img),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testActiveReadErrorIgnore(self):
 | |
|         self.prepare_and_start_job('ignore', top_event='read_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('read', 'ignore'),
 | |
|             self.event_ready(),
 | |
|             self.event_completed()
 | |
|         ])
 | |
| 
 | |
|         # For commit, 'ignore' actually means retry, so this will succeed
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(test_img, mid_img),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testActiveWriteErrorReport(self):
 | |
|         self.prepare_and_start_job('report', mid_event='write_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('write', 'report'),
 | |
|             self.event_completed('Input/output error')
 | |
|         ])
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertFalse(iotests.compare_images(test_img, mid_img),
 | |
|                          'target image matches source after error')
 | |
| 
 | |
|     def testActiveWriteErrorStop(self):
 | |
|         self.prepare_and_start_job('stop', mid_event='write_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('write', 'stop'),
 | |
|             self.event_ready(),
 | |
|             self.event_completed()
 | |
|         ], error_pauses_job=True)
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(test_img, mid_img),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testActiveWriteErrorIgnore(self):
 | |
|         self.prepare_and_start_job('ignore', mid_event='write_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('write', 'ignore'),
 | |
|             self.event_ready(),
 | |
|             self.event_completed()
 | |
|         ])
 | |
| 
 | |
|         # For commit, 'ignore' actually means retry, so this will succeed
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(test_img, mid_img),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testIntermediateReadErrorReport(self):
 | |
|         self.prepare_and_start_job('report', active=False, mid_event='read_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('read', 'report'),
 | |
|             self.event_completed('Input/output error', active=False)
 | |
|         ])
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertFalse(iotests.compare_images(mid_img, backing_img, fmt2='raw'),
 | |
|                          'target image matches source after error')
 | |
| 
 | |
|     def testIntermediateReadErrorStop(self):
 | |
|         self.prepare_and_start_job('stop', active=False, mid_event='read_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('read', 'stop'),
 | |
|             self.event_completed(active=False)
 | |
|         ], error_pauses_job=True)
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(mid_img, backing_img, fmt2='raw'),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testIntermediateReadErrorIgnore(self):
 | |
|         self.prepare_and_start_job('ignore', active=False, mid_event='read_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('read', 'ignore'),
 | |
|             self.event_completed(active=False)
 | |
|         ])
 | |
| 
 | |
|         # For commit, 'ignore' actually means retry, so this will succeed
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(mid_img, backing_img, fmt2='raw'),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testIntermediateWriteErrorReport(self):
 | |
|         self.prepare_and_start_job('report', active=False, base_event='write_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('write', 'report'),
 | |
|             self.event_completed('Input/output error', active=False)
 | |
|         ])
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertFalse(iotests.compare_images(mid_img, backing_img, fmt2='raw'),
 | |
|                          'target image matches source after error')
 | |
| 
 | |
|     def testIntermediateWriteErrorStop(self):
 | |
|         self.prepare_and_start_job('stop', active=False, base_event='write_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('write', 'stop'),
 | |
|             self.event_completed(active=False)
 | |
|         ], error_pauses_job=True)
 | |
| 
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(mid_img, backing_img, fmt2='raw'),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
|     def testIntermediateWriteErrorIgnore(self):
 | |
|         self.prepare_and_start_job('ignore', active=False, base_event='write_aio')
 | |
|         self.run_job([
 | |
|             self.event_error('write', 'ignore'),
 | |
|             self.event_completed(active=False)
 | |
|         ])
 | |
| 
 | |
|         # For commit, 'ignore' actually means retry, so this will succeed
 | |
|         self.vm.shutdown()
 | |
|         self.assertTrue(iotests.compare_images(mid_img, backing_img, fmt2='raw'),
 | |
|                         'target image does not match source after commit')
 | |
| 
 | |
| class TestCommitWithFilters(iotests.QMPTestCase):
 | |
|     img0 = os.path.join(iotests.test_dir, '0.img')
 | |
|     img1 = os.path.join(iotests.test_dir, '1.img')
 | |
|     img2 = os.path.join(iotests.test_dir, '2.img')
 | |
|     img3 = os.path.join(iotests.test_dir, '3.img')
 | |
| 
 | |
|     def do_test_io(self, read_or_write):
 | |
|         for index, pattern_file in enumerate(self.pattern_files):
 | |
|             result = qemu_io('-f', iotests.imgfmt,
 | |
|                              '-c',
 | |
|                              f'{read_or_write} -P {index + 1} {index}M 1M',
 | |
|                              pattern_file)
 | |
|             self.assertFalse('Pattern verification failed' in result)
 | |
| 
 | |
|     def setUp(self):
 | |
|         qemu_img('create', '-f', iotests.imgfmt, self.img0, '64M')
 | |
|         qemu_img('create', '-f', iotests.imgfmt, self.img1, '64M')
 | |
|         qemu_img('create', '-f', iotests.imgfmt, self.img2, '64M')
 | |
|         qemu_img('create', '-f', iotests.imgfmt, self.img3, '64M')
 | |
| 
 | |
|         # Distributions of the patterns in the files; this is checked
 | |
|         # by tearDown() and should be changed by the test cases as is
 | |
|         # necessary
 | |
|         self.pattern_files = [self.img0, self.img1, self.img2, self.img3]
 | |
| 
 | |
|         self.do_test_io('write')
 | |
| 
 | |
|         self.vm = iotests.VM().add_device('virtio-scsi,id=vio-scsi')
 | |
|         self.vm.launch()
 | |
| 
 | |
|         result = self.vm.qmp('object-add', qom_type='throttle-group', id='tg')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         result = self.vm.qmp('blockdev-add', **{
 | |
|                 'node-name': 'top-filter',
 | |
|                 'driver': 'throttle',
 | |
|                 'throttle-group': 'tg',
 | |
|                 'file': {
 | |
|                     'node-name': 'cow-3',
 | |
|                     'driver': iotests.imgfmt,
 | |
|                     'file': {
 | |
|                         'driver': 'file',
 | |
|                         'filename': self.img3
 | |
|                     },
 | |
|                     'backing': {
 | |
|                         'node-name': 'cow-2',
 | |
|                         'driver': iotests.imgfmt,
 | |
|                         'file': {
 | |
|                             'driver': 'file',
 | |
|                             'filename': self.img2
 | |
|                         },
 | |
|                         'backing': {
 | |
|                             'node-name': 'cow-1',
 | |
|                             'driver': iotests.imgfmt,
 | |
|                             'file': {
 | |
|                                 'driver': 'file',
 | |
|                                 'filename': self.img1
 | |
|                             },
 | |
|                             'backing': {
 | |
|                                 'node-name': 'bottom-filter',
 | |
|                                 'driver': 'throttle',
 | |
|                                 'throttle-group': 'tg',
 | |
|                                 'file': {
 | |
|                                     'node-name': 'cow-0',
 | |
|                                     'driver': iotests.imgfmt,
 | |
|                                     'file': {
 | |
|                                         'driver': 'file',
 | |
|                                         'filename': self.img0
 | |
|                                     }
 | |
|                                 }
 | |
|                             }
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|             })
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown()
 | |
|         self.do_test_io('read')
 | |
| 
 | |
|         os.remove(self.img3)
 | |
|         os.remove(self.img2)
 | |
|         os.remove(self.img1)
 | |
|         os.remove(self.img0)
 | |
| 
 | |
|     # Filters make for funny filenames, so we cannot just use
 | |
|     # self.imgX to get them
 | |
|     def get_filename(self, node):
 | |
|         return self.vm.node_info(node)['image']['filename']
 | |
| 
 | |
|     def test_filterless_commit(self):
 | |
|         result = self.vm.qmp('block-commit',
 | |
|                              job_id='commit',
 | |
|                              device='top-filter',
 | |
|                              top_node='cow-2',
 | |
|                              base_node='cow-1')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         self.wait_until_completed(drive='commit')
 | |
| 
 | |
|         self.assertIsNotNone(self.vm.node_info('cow-3'))
 | |
|         self.assertIsNone(self.vm.node_info('cow-2'))
 | |
|         self.assertIsNotNone(self.vm.node_info('cow-1'))
 | |
| 
 | |
|         # 2 has been comitted into 1
 | |
|         self.pattern_files[2] = self.img1
 | |
| 
 | |
|     def test_commit_through_filter(self):
 | |
|         result = self.vm.qmp('block-commit',
 | |
|                              job_id='commit',
 | |
|                              device='top-filter',
 | |
|                              top_node='cow-1',
 | |
|                              base_node='cow-0')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         self.wait_until_completed(drive='commit')
 | |
| 
 | |
|         self.assertIsNotNone(self.vm.node_info('cow-2'))
 | |
|         self.assertIsNone(self.vm.node_info('cow-1'))
 | |
|         self.assertIsNone(self.vm.node_info('bottom-filter'))
 | |
|         self.assertIsNotNone(self.vm.node_info('cow-0'))
 | |
| 
 | |
|         # 1 has been comitted into 0
 | |
|         self.pattern_files[1] = self.img0
 | |
| 
 | |
|     def test_filtered_active_commit_with_filter(self):
 | |
|         # Add a device, so the commit job finds a parent it can change
 | |
|         # to point to the base node (so we can test that top-filter is
 | |
|         # dropped from the graph)
 | |
|         result = self.vm.qmp('device_add', id='drv0', driver='scsi-hd',
 | |
|                              bus='vio-scsi.0', drive='top-filter')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         # Try to release our reference to top-filter; that should not
 | |
|         # work because drv0 uses it
 | |
|         result = self.vm.qmp('blockdev-del', node_name='top-filter')
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
|         self.assert_qmp(result, 'error/desc', 'Node top-filter is in use')
 | |
| 
 | |
|         result = self.vm.qmp('block-commit',
 | |
|                              job_id='commit',
 | |
|                              device='top-filter',
 | |
|                              base_node='cow-2')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         self.complete_and_wait(drive='commit')
 | |
| 
 | |
|         # Try to release our reference to top-filter again
 | |
|         result = self.vm.qmp('blockdev-del', node_name='top-filter')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         self.assertIsNone(self.vm.node_info('top-filter'))
 | |
|         self.assertIsNone(self.vm.node_info('cow-3'))
 | |
|         self.assertIsNotNone(self.vm.node_info('cow-2'))
 | |
| 
 | |
|         # Check that drv0 is now connected to cow-2
 | |
|         blockdevs = self.vm.qmp('query-block')['return']
 | |
|         drv0 = next(dev for dev in blockdevs if dev['qdev'] == 'drv0')
 | |
|         self.assertEqual(drv0['inserted']['node-name'], 'cow-2')
 | |
| 
 | |
|         # 3 has been comitted into 2
 | |
|         self.pattern_files[3] = self.img2
 | |
| 
 | |
|     def test_filtered_active_commit_without_filter(self):
 | |
|         result = self.vm.qmp('block-commit',
 | |
|                              job_id='commit',
 | |
|                              device='top-filter',
 | |
|                              top_node='cow-3',
 | |
|                              base_node='cow-2')
 | |
|         self.assert_qmp(result, 'return', {})
 | |
|         self.complete_and_wait(drive='commit')
 | |
| 
 | |
|         self.assertIsNotNone(self.vm.node_info('top-filter'))
 | |
|         self.assertIsNone(self.vm.node_info('cow-3'))
 | |
|         self.assertIsNotNone(self.vm.node_info('cow-2'))
 | |
| 
 | |
|         # 3 has been comitted into 2
 | |
|         self.pattern_files[3] = self.img2
 | |
| 
 | |
| class TestCommitWithOverriddenBacking(iotests.QMPTestCase):
 | |
|     img_base_a = os.path.join(iotests.test_dir, 'base_a.img')
 | |
|     img_base_b = os.path.join(iotests.test_dir, 'base_b.img')
 | |
|     img_top = os.path.join(iotests.test_dir, 'top.img')
 | |
| 
 | |
|     def setUp(self):
 | |
|         qemu_img('create', '-f', iotests.imgfmt, self.img_base_a, '1M')
 | |
|         qemu_img('create', '-f', iotests.imgfmt, self.img_base_b, '1M')
 | |
|         qemu_img('create', '-f', iotests.imgfmt, '-b', self.img_base_a, \
 | |
|                  self.img_top)
 | |
| 
 | |
|         self.vm = iotests.VM()
 | |
|         self.vm.launch()
 | |
| 
 | |
|         # Use base_b instead of base_a as the backing of top
 | |
|         result = self.vm.qmp('blockdev-add', **{
 | |
|                                 'node-name': 'top',
 | |
|                                 'driver': iotests.imgfmt,
 | |
|                                 'file': {
 | |
|                                     'driver': 'file',
 | |
|                                     'filename': self.img_top
 | |
|                                 },
 | |
|                                 'backing': {
 | |
|                                     'node-name': 'base',
 | |
|                                     'driver': iotests.imgfmt,
 | |
|                                     'file': {
 | |
|                                         'driver': 'file',
 | |
|                                         'filename': self.img_base_b
 | |
|                                     }
 | |
|                                 }
 | |
|                             })
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|     def tearDown(self):
 | |
|         self.vm.shutdown()
 | |
|         os.remove(self.img_top)
 | |
|         os.remove(self.img_base_a)
 | |
|         os.remove(self.img_base_b)
 | |
| 
 | |
|     def test_commit_to_a(self):
 | |
|         # Try committing to base_a (which should fail, as top's
 | |
|         # backing image is base_b instead)
 | |
|         result = self.vm.qmp('block-commit',
 | |
|                              job_id='commit',
 | |
|                              device='top',
 | |
|                              base=self.img_base_a)
 | |
|         self.assert_qmp(result, 'error/class', 'GenericError')
 | |
| 
 | |
|     def test_commit_to_b(self):
 | |
|         # Try committing to base_b (which should work, since that is
 | |
|         # actually top's backing image)
 | |
|         result = self.vm.qmp('block-commit',
 | |
|                              job_id='commit',
 | |
|                              device='top',
 | |
|                              base=self.img_base_b)
 | |
|         self.assert_qmp(result, 'return', {})
 | |
| 
 | |
|         self.vm.event_wait('BLOCK_JOB_READY')
 | |
|         self.vm.qmp('block-job-complete', device='commit')
 | |
|         self.vm.event_wait('BLOCK_JOB_COMPLETED')
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     iotests.main(supported_fmts=['qcow2', 'qed'],
 | |
|                  supported_protocols=['file'])
 |