@@ -23,7 +23,7 @@
# Creator/Owner: John Snow <jsnow@redhat.com>
import iotests
-from iotests import log, qemu_img, qemu_io, qemu_io_silent
+from iotests import log, qemu_img, qemu_io, qemu_io_silent, qemu_io_pipe_and_status
iotests.script_initialize(
supported_fmts=['qcow2', 'qcow', 'qed', 'vmdk', 'vhdx', 'raw'],
@@ -50,11 +50,15 @@ remainder = [('0xd5', '0x108000', '32k'), # Right-end of partial-left [1]
('0xcd', '0x3ff0000', '64k')] # patterns[3]
def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
- fleece_img_path, nbd_sock_path, vm):
+ fleece_img_path, nbd_sock_path, vm,
+ bitmap=False):
log('--- Setting up images ---')
log('')
assert qemu_img('create', '-f', iotests.imgfmt, base_img_path, '64M') == 0
+ if bitmap:
+ assert qemu_img('bitmap', '--add', base_img_path, 'bitmap0') == 0
+
if use_snapshot_access_filter:
assert use_cbw
assert qemu_img('create', '-f', 'raw', fleece_img_path, '64M') == 0
@@ -106,12 +110,17 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
# Establish CBW from source to fleecing node
if use_cbw:
- log(vm.qmp('blockdev-add', {
+ fl_cbw = {
'driver': 'copy-before-write',
'node-name': 'fl-cbw',
'file': src_node,
'target': tmp_node
- }))
+ }
+
+ if bitmap:
+ fl_cbw['bitmap'] = {'node': src_node, 'name': 'bitmap0'}
+
+ log(vm.qmp('blockdev-add', fl_cbw))
log(vm.qmp('qom-set', path=qom_path, property='drive', value='fl-cbw'))
@@ -148,7 +157,9 @@ 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)
- assert qemu_io_silent('-r', '-f', 'raw', '-c', cmd, nbd_uri) == 0
+ out, ret = qemu_io_pipe_and_status('-r', '-f', 'raw', '-c', cmd, nbd_uri)
+ if ret != 0:
+ print(out)
log('')
log('--- Testing COW ---')
@@ -166,7 +177,9 @@ 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)
- assert qemu_io_silent('-r', '-f', 'raw', '-c', cmd, nbd_uri) == 0
+ out, ret = qemu_io_pipe_and_status('-r', '-f', 'raw', '-c', cmd, nbd_uri)
+ if ret != 0:
+ print(out)
log('')
log('--- Cleanup ---')
@@ -201,14 +214,14 @@ def do_test(use_cbw, use_snapshot_access_filter, base_img_path,
log('Done')
-def test(use_cbw, use_snapshot_access_filter):
+def test(use_cbw, use_snapshot_access_filter, 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)
+ fleece_img_path, nbd_sock_path, vm, bitmap=bitmap)
log('=== Test backup(sync=none) based fleecing ===\n')
@@ -219,3 +232,6 @@ test(True, False)
log('=== Test fleecing-format based fleecing ===\n')
test(True, True)
+
+log('=== Test fleecing-format based fleecing with bitmap ===\n')
+test(True, True, bitmap=True)
@@ -190,6 +190,90 @@ read -P0 0x00f8000 32k
read -P0 0x2010000 32k
read -P0 0x3fe0000 64k
+--- Cleanup ---
+
+{"return": {}}
+{"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
+=== Test fleecing-format based fleecing with bitmap ===
+
+--- Setting up images ---
+
+Done
+
+--- Launching VM ---
+
+Done
+
+--- Setting up Fleecing Graph ---
+
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"return": {}}
+
+--- Setting up NBD Export ---
+
+{"return": {}}
+{"return": {}}
+
+--- Sanity Check ---
+
+read -P0x5d 0 64k
+read -P0xd5 1M 64k
+read -P0xdc 32M 64k
+read -P0xcd 0x3ff0000 64k
+read -P0 0x00f8000 32k
+read failed: Invalid argument
+
+read -P0 0x2010000 32k
+read failed: Invalid argument
+
+read -P0 0x3fe0000 64k
+read failed: Invalid argument
+
+
+--- Testing COW ---
+
+write -P0xab 0 64k
+{"return": ""}
+write -P0xad 0x00f8000 64k
+{"return": ""}
+write -P0x1d 0x2008000 64k
+{"return": ""}
+write -P0xea 0x3fe0000 64k
+{"return": ""}
+
+--- Verifying Data ---
+
+read -P0x5d 0 64k
+read -P0xd5 1M 64k
+read -P0xdc 32M 64k
+read -P0xcd 0x3ff0000 64k
+read -P0 0x00f8000 32k
+read failed: Invalid argument
+
+read -P0 0x2010000 32k
+read failed: Invalid argument
+
+read -P0 0x3fe0000 64k
+read failed: Invalid argument
+
+
--- Cleanup ---
{"return": {}}
Note that reads zero areas (not dirty in the bitmap) fails, that's correct. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> --- tests/qemu-iotests/tests/image-fleecing | 32 ++++++-- tests/qemu-iotests/tests/image-fleecing.out | 84 +++++++++++++++++++++ 2 files changed, 108 insertions(+), 8 deletions(-)