iotests/image-fleecing: test push backup with fleecing
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20220303194349.2304213-17-vsementsov@virtuozzo.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
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@ -51,9 +51,15 @@ remainder = [('0xd5', '0x108000', '32k'), # Right-end of partial-left [1]
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('0xdc', '32M', '32k'), # Left-end of partial-right [2]
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('0xcd', '0x3ff0000', '64k')] # patterns[3]
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def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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fleece_img_path, nbd_sock_path, vm,
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def do_test(vm, use_cbw, use_snapshot_access_filter, base_img_path,
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fleece_img_path, nbd_sock_path=None,
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target_img_path=None,
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bitmap=False):
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push_backup = target_img_path is not None
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assert (nbd_sock_path is not None) != push_backup
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if push_backup:
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assert use_cbw
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log('--- Setting up images ---')
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log('')
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@ -67,6 +73,9 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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else:
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assert qemu_img('create', '-f', 'qcow2', fleece_img_path, '64M') == 0
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if push_backup:
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assert qemu_img('create', '-f', 'qcow2', target_img_path, '64M') == 0
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for p in patterns:
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qemu_io('-f', iotests.imgfmt,
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'-c', 'write -P%s %s %s' % p, base_img_path)
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@ -141,6 +150,23 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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export_node = 'fl-access' if use_snapshot_access_filter else tmp_node
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if push_backup:
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log('')
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log('--- Starting actual backup ---')
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log('')
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log(vm.qmp('blockdev-add', **{
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'driver': iotests.imgfmt,
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'node-name': 'target',
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'file': {
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'driver': 'file',
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'filename': target_img_path
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}
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}))
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log(vm.qmp('blockdev-backup', device=export_node,
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sync='full', target='target',
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job_id='push-backup', speed=1))
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else:
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log('')
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log('--- Setting up NBD Export ---')
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log('')
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@ -173,6 +199,23 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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log(cmd)
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log(vm.hmp_qemu_io(qom_path, cmd, qdev=True))
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if push_backup:
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# Check that previous operations were done during backup, not after
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# If backup is already finished, it's possible that it was finished
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# even before hmp qemu_io write, and we didn't actually test
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# copy-before-write operation. This should not happen, as we use
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# speed=1. But worth checking.
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result = vm.qmp('query-block-jobs')
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assert len(result['return']) == 1
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result = vm.qmp('block-job-set-speed', device='push-backup', speed=0)
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assert result == {'return': {}}
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log(vm.event_wait(name='BLOCK_JOB_COMPLETED',
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match={'data': {'device': 'push-backup'}}),
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filters=[iotests.filter_qmp_event])
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log(vm.qmp('blockdev-del', node_name='target'))
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log('')
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log('--- Verifying Data ---')
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log('')
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@ -180,8 +223,12 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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for p in patterns + zeroes:
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cmd = 'read -P%s %s %s' % p
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log(cmd)
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out, ret = qemu_io_pipe_and_status('-r', '-f', 'raw', '-c', cmd,
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nbd_uri)
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args = ['-r', '-c', cmd]
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if push_backup:
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args += [target_img_path]
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else:
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args += ['-f', 'raw', nbd_uri]
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out, ret = qemu_io_pipe_and_status(*args)
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if ret != 0:
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print(out)
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@ -189,6 +236,7 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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log('--- Cleanup ---')
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log('')
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if not push_backup:
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log(vm.qmp('nbd-server-stop'))
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if use_cbw:
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@ -218,24 +266,37 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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log('Done')
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def test(use_cbw, use_snapshot_access_filter, bitmap=False):
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def test(use_cbw, use_snapshot_access_filter,
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nbd_sock_path=None, target_img_path=None, bitmap=False):
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with iotests.FilePath('base.img') as base_img_path, \
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iotests.FilePath('fleece.img') as fleece_img_path, \
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iotests.FilePath('nbd.sock',
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base_dir=iotests.sock_dir) as nbd_sock_path, \
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iotests.VM() as vm:
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do_test(use_cbw, use_snapshot_access_filter, base_img_path,
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fleece_img_path, nbd_sock_path, vm, bitmap=bitmap)
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do_test(vm, use_cbw, use_snapshot_access_filter, base_img_path,
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fleece_img_path, nbd_sock_path, target_img_path,
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bitmap=bitmap)
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def test_pull(use_cbw, use_snapshot_access_filter, bitmap=False):
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with iotests.FilePath('nbd.sock',
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base_dir=iotests.sock_dir) as nbd_sock_path:
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test(use_cbw, use_snapshot_access_filter, nbd_sock_path, None,
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bitmap=bitmap)
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def test_push():
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with iotests.FilePath('target.img') as target_img_path:
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test(True, True, None, target_img_path)
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log('=== Test backup(sync=none) based fleecing ===\n')
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test(False, False)
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test_pull(False, False)
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log('=== Test cbw-filter based fleecing ===\n')
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test(True, False)
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test_pull(True, False)
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log('=== Test fleecing-format based fleecing ===\n')
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test(True, True)
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test_pull(True, True)
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log('=== Test fleecing-format based fleecing with bitmap ===\n')
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test(True, True, bitmap=True)
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test_pull(True, True, bitmap=True)
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log('=== Test push backup with fleecing ===\n')
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test_push()
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@ -293,3 +293,66 @@ read -P0xdc 32M 32k
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read -P0xcd 0x3ff0000 64k
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Done
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=== Test push backup with fleecing ===
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--- Setting up images ---
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Done
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--- Launching VM ---
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Done
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--- Setting up Fleecing Graph ---
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"return": {}}
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--- Starting actual backup ---
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{"return": {}}
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{"return": {}}
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--- Testing COW ---
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write -P0xab 0 64k
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{"return": ""}
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write -P0xad 0x00f8000 64k
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{"return": ""}
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write -P0x1d 0x2008000 64k
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{"return": ""}
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write -P0xea 0x3fe0000 64k
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{"return": ""}
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{"data": {"device": "push-backup", "len": 67108864, "offset": 67108864, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"return": {}}
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--- Verifying Data ---
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read -P0x5d 0 64k
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read -P0xd5 1M 64k
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read -P0xdc 32M 64k
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read -P0xcd 0x3ff0000 64k
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read -P0 0x00f8000 32k
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read -P0 0x2010000 32k
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read -P0 0x3fe0000 64k
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--- Cleanup ---
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"return": {}}
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--- Confirming writes ---
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read -P0xab 0 64k
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read -P0xad 0x00f8000 64k
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read -P0x1d 0x2008000 64k
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read -P0xea 0x3fe0000 64k
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read -P0xd5 0x108000 32k
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read -P0xdc 32M 32k
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read -P0xcd 0x3ff0000 64k
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Done
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