mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

iotests/image-fleecing: test push backup with fleecing

Browse Source 
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>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2022-03-03 20:43:49 +01:00 committed by Hanna Reitz
parent 153bab4d4c
commit 743da0b401
2 changed files with 156 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

125
tests/qemu-iotests/tests/image-fleecing
View File

@ -51,9 +51,15 @@ remainder = [('0xd5', '0x108000', '32k'), # Right-end of partial-left [1]
('0xdc', '32M', '32k'), # Left-end of partial-right [2]
('0xcd', '0x3ff0000', '64k')] # patterns[3]
def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
fleece_img_path, nbd_sock_path, vm,
def do_test(vm, use_cbw, use_snapshot_access_filter, base_img_path,
fleece_img_path, nbd_sock_path=None,
target_img_path=None,
bitmap=False):
push_backup = target_img_path is not None
assert (nbd_sock_path is not None) != push_backup
if push_backup:
assert use_cbw
log('--- Setting up images ---')
log('')
@ -67,6 +73,9 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
else:
assert qemu_img('create', '-f', 'qcow2', fleece_img_path, '64M') == 0
if push_backup:
assert qemu_img('create', '-f', 'qcow2', target_img_path, '64M') == 0
for p in patterns:
qemu_io('-f', iotests.imgfmt,
'-c', 'write -P%s %s %s' % p, base_img_path)
@ -141,28 +150,45 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
export_node = 'fl-access' if use_snapshot_access_filter else tmp_node
log('')
log('--- Setting up NBD Export ---')
log('')
if push_backup:
log('')
log('--- Starting actual backup ---')
log('')
nbd_uri = 'nbd+unix:///%s?socket=%s' % (export_node, nbd_sock_path)
log(vm.qmp('nbd-server-start',
{'addr': {'type': 'unix',
'data': {'path': nbd_sock_path}}}))
log(vm.qmp('blockdev-add', **{
'driver': iotests.imgfmt,
'node-name': 'target',
'file': {
'driver': 'file',
'filename': target_img_path
}
}))
log(vm.qmp('blockdev-backup', device=export_node,
sync='full', target='target',
job_id='push-backup', speed=1))
else:
log('')
log('--- Setting up NBD Export ---')
log('')
log(vm.qmp('nbd-server-add', device=export_node))
nbd_uri = 'nbd+unix:///%s?socket=%s' % (export_node, nbd_sock_path)
log(vm.qmp('nbd-server-start',
{'addr': { 'type': 'unix',
'data': { 'path': nbd_sock_path } } }))
log('')
log('--- Sanity Check ---')
log('')
log(vm.qmp('nbd-server-add', device=export_node))
for p in patterns + zeroes:
cmd = 'read -P%s %s %s' % p
log(cmd)
out, ret = qemu_io_pipe_and_status('-r', '-f', 'raw', '-c', cmd,
nbd_uri)
if ret != 0:
print(out)
log('')
log('--- Sanity Check ---')
log('')
for p in patterns + zeroes:
cmd = 'read -P%s %s %s' % p
log(cmd)
out, ret = qemu_io_pipe_and_status('-r', '-f', 'raw', '-c', cmd,
nbd_uri)
if ret != 0:
print(out)
log('')
log('--- Testing COW ---')
@ -173,6 +199,23 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
log(cmd)
log(vm.hmp_qemu_io(qom_path, cmd, qdev=True))
if push_backup:
# Check that previous operations were done during backup, not after
# If backup is already finished, it's possible that it was finished
# even before hmp qemu_io write, and we didn't actually test
# copy-before-write operation. This should not happen, as we use
# speed=1. But worth checking.
result = vm.qmp('query-block-jobs')
assert len(result['return']) == 1
result = vm.qmp('block-job-set-speed', device='push-backup', speed=0)
assert result == {'return': {}}
log(vm.event_wait(name='BLOCK_JOB_COMPLETED',
match={'data': {'device': 'push-backup'}}),
filters=[iotests.filter_qmp_event])
log(vm.qmp('blockdev-del', node_name='target'))
log('')
log('--- Verifying Data ---')
log('')
@ -180,8 +223,12 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
for p in patterns + zeroes:
cmd = 'read -P%s %s %s' % p
log(cmd)
out, ret = qemu_io_pipe_and_status('-r', '-f', 'raw', '-c', cmd,
nbd_uri)
args = ['-r', '-c', cmd]
if push_backup:
args += [target_img_path]
else:
args += ['-f', 'raw', nbd_uri]
out, ret = qemu_io_pipe_and_status(*args)
if ret != 0:
print(out)
@ -189,7 +236,8 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
log('--- Cleanup ---')
log('')
log(vm.qmp('nbd-server-stop'))
if not push_backup:
log(vm.qmp('nbd-server-stop'))
if use_cbw:
if use_snapshot_access_filter:
@ -218,24 +266,37 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
log('Done')
def test(use_cbw, use_snapshot_access_filter, bitmap=False):
def test(use_cbw, use_snapshot_access_filter,
nbd_sock_path=None, target_img_path=None, bitmap=False):
with iotests.FilePath('base.img') as base_img_path, \
iotests.FilePath('fleece.img') as fleece_img_path, \
iotests.FilePath('nbd.sock',
base_dir=iotests.sock_dir) as nbd_sock_path, \
iotests.VM() as vm:
do_test(use_cbw, use_snapshot_access_filter, base_img_path,
fleece_img_path, nbd_sock_path, vm, bitmap=bitmap)
do_test(vm, use_cbw, use_snapshot_access_filter, base_img_path,
fleece_img_path, nbd_sock_path, target_img_path,
bitmap=bitmap)
def test_pull(use_cbw, use_snapshot_access_filter, bitmap=False):
with iotests.FilePath('nbd.sock',
base_dir=iotests.sock_dir) as nbd_sock_path:
test(use_cbw, use_snapshot_access_filter, nbd_sock_path, None,
bitmap=bitmap)
def test_push():
with iotests.FilePath('target.img') as target_img_path:
test(True, True, None, target_img_path)
log('=== Test backup(sync=none) based fleecing ===\n')
test(False, False)
test_pull(False, False)
log('=== Test cbw-filter based fleecing ===\n')
test(True, False)
test_pull(True, False)
log('=== Test fleecing-format based fleecing ===\n')
test(True, True)
test_pull(True, True)
log('=== Test fleecing-format based fleecing with bitmap ===\n')
test(True, True, bitmap=True)
test_pull(True, True, bitmap=True)
log('=== Test push backup with fleecing ===\n')
test_push()

63
tests/qemu-iotests/tests/image-fleecing.out
View File

@ -293,3 +293,66 @@ read -P0xdc 32M 32k
read -P0xcd 0x3ff0000 64k
Done
=== Test push backup with fleecing ===
--- Setting up images ---
Done
--- Launching VM ---
Done
--- Setting up Fleecing Graph ---
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
--- Starting actual backup ---
{"return": {}}
{"return": {}}
--- Testing COW ---
write -P0xab 0 64k
{"return": ""}
write -P0xad 0x00f8000 64k
{"return": ""}
write -P0x1d 0x2008000 64k
{"return": ""}
write -P0xea 0x3fe0000 64k
{"return": ""}
{"data": {"device": "push-backup", "len": 67108864, "offset": 67108864, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"return": {}}
--- Verifying Data ---
read -P0x5d 0 64k
read -P0xd5 1M 64k
read -P0xdc 32M 64k
read -P0xcd 0x3ff0000 64k
read -P0 0x00f8000 32k
read -P0 0x2010000 32k
read -P0 0x3fe0000 64k
--- Cleanup ---
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
--- Confirming writes ---
read -P0xab 0 64k
read -P0xad 0x00f8000 64k
read -P0x1d 0x2008000 64k
read -P0xea 0x3fe0000 64k
read -P0xd5 0x108000 32k
read -P0xdc 32M 32k
read -P0xcd 0x3ff0000 64k
Done