[qemu-xen staging] iotests: test shutdown when bitmap is exported through NBD

[patchbot@xxxxxxx]

commit d047cfa78dc76fb8c7768620106bf1acb7c79797
Author:     Vladimir Sementsov-Ogievskiy <vsementsov@xxxxxxxxxxxxx>
AuthorDate: Tue Jul 14 19:22:34 2020 +0300
Commit:     Kevin Wolf <kwolf@xxxxxxxxxx>
CommitDate: Fri Jul 17 14:20:57 2020 +0200

    iotests: test shutdown when bitmap is exported through NBD
    
    Test shutdown when bitmap is exported through NBD and active client
    exists. The previous patch fixes a crash, provoked by this scenario.
    
    Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@xxxxxxxxxxxxx>
    Tested-by: Eric Blake <eblake@xxxxxxxxxx>
    Reviewed-by: Eric Blake <eblake@xxxxxxxxxx>
    Message-Id: <20200714162234.13113-3-vsementsov@xxxxxxxxxxxxx>
    Signed-off-by: Kevin Wolf <kwolf@xxxxxxxxxx>
---
 tests/qemu-iotests/299     | 65 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/299.out | 10 +++++++
 tests/qemu-iotests/group   |  1 +
 3 files changed, 76 insertions(+)

diff --git a/tests/qemu-iotests/299 b/tests/qemu-iotests/299
new file mode 100644
index 0000000000..e129c7f7cb
--- /dev/null
+++ b/tests/qemu-iotests/299
@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+#
+# Test shutdown when bitmap is exported through NBD server
+#
+# Copyright (c) 2020 Virtuozzo International GmbH.
+#
+# 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.
+#
+# 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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import iotests
+
+# The test is unrelated to formats, restrict it to qcow2 to avoid extra runs
+iotests.script_initialize(
+    supported_fmts=['qcow2'],
+)
+
+nbd_sock = iotests.file_path('nbd.sock', base_dir=iotests.sock_dir)
+nbd_uri = 'nbd+unix:///disk?socket=' + nbd_sock
+size = 1024 * 1024
+
+vm = iotests.VM()
+vm.launch()
+
+vm.qmp_log('blockdev-add', **{
+    'node-name': 'disk',
+    'driver': 'null-co',
+    'size': 1024 * 1024,
+})
+
+vm.qmp_log('block-dirty-bitmap-add', **{
+    'node': 'disk',
+    'name': 'bitmap0'
+})
+
+vm.qmp_log('nbd-server-start', **{
+    'addr': {
+        'type': 'unix',
+        'data': {'path': nbd_sock}
+    }
+}, filters=[iotests.filter_qmp_testfiles])
+
+vm.qmp_log('nbd-server-add', **{
+    'device': 'disk',
+    'writable': True,
+    'bitmap': 'bitmap0'
+})
+
+p = iotests.QemuIoInteractive('-f', 'raw', nbd_uri)
+# wait for connection and check it:
+iotests.log(p.cmd('read 0 512').rstrip(), filters=[iotests.filter_qemu_io])
+
+vm.shutdown()
+
+p.close()
diff --git a/tests/qemu-iotests/299.out b/tests/qemu-iotests/299.out
new file mode 100644
index 0000000000..bba4252923
--- /dev/null
+++ b/tests/qemu-iotests/299.out
@@ -0,0 +1,10 @@
+{"execute": "blockdev-add", "arguments": {"driver": "null-co", "node-name": 
"disk", "size": 1048576}}
+{"return": {}}
+{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": 
"disk"}}
+{"return": {}}
+{"execute": "nbd-server-start", "arguments": {"addr": {"data": {"path": 
"SOCK_DIR/PID-nbd.sock"}, "type": "unix"}}}
+{"return": {}}
+{"execute": "nbd-server-add", "arguments": {"bitmap": "bitmap0", "device": 
"disk", "writable": true}}
+{"return": {}}
+read 512/512 bytes at offset 0
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index a4f9e11e7a..1d0252e1f0 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -306,4 +306,5 @@
 295 rw
 296 rw
 297 meta
+299 auto quick
 301 backing quick
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#staging