new file mode 100755
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2019 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.
+#
+# 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/>.
+#
+# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
+#
+# Test migration with filter drivers present. Keep everything in an
+# iothread just for fun.
+
+import iotests
+import os
+
+iotests.verify_image_format(supported_fmts=['qcow2'])
+iotests.verify_platform(['linux'])
+
+with iotests.FilePath('img') as img_path, \
+ iotests.FilePath('mig_fifo') as fifo, \
+ iotests.VM(path_suffix='a') as vm_a, \
+ iotests.VM(path_suffix='b') as vm_b:
+
+ def add_opts(vm):
+ vm.add_object('iothread,id=iothread0')
+ vm.add_object('throttle-group,id=tg0,x-bps-total=65536')
+ vm.add_blockdev('file,filename=%s,node-name=drive0-file' % (img_path))
+ vm.add_blockdev('%s,file=drive0-file,node-name=drive0-fmt' % (iotests.imgfmt))
+ vm.add_blockdev('copy-on-read,file=drive0-fmt,node-name=drive0-cor')
+ vm.add_blockdev('throttle,file=drive0-cor,node-name=drive0-throttle,throttle-group=tg0')
+ vm.add_blockdev('blkdebug,image=drive0-throttle,node-name=drive0-dbg')
+ vm.add_blockdev('null-co,node-name=null,read-zeroes=on')
+ vm.add_blockdev('blkverify,test=drive0-dbg,raw=null,node-name=drive0-verify')
+
+ if iotests.supports_quorum():
+ vm.add_blockdev('quorum,children.0=drive0-verify,vote-threshold=1,node-name=drive0-quorum')
+ root = "drive0-quorum"
+ else:
+ root = "drive0-verify"
+
+ vm.add_device('virtio-blk,drive=%s,iothread=iothread0' % root)
+
+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, img_path, '64M')
+
+ os.mkfifo(fifo)
+
+ iotests.log('Launching source VM...')
+ add_opts(vm_a)
+ vm_a.launch()
+
+ vm_a.enable_migration_events('A')
+
+ iotests.log('Launching destination VM...')
+ add_opts(vm_b)
+ vm_b.add_incoming("exec: cat '%s'" % (fifo))
+ vm_b.launch()
+
+ vm_b.enable_migration_events('B')
+
+ iotests.log('Starting migration to B...')
+ iotests.log(vm_a.qmp('migrate', uri='exec:cat >%s' % (fifo)))
+ with iotests.Timeout(3, 'Migration does not complete'):
+ # Wait for the source first (which includes setup=setup)
+ vm_a.wait_migration()
+ # Wait for the destination second (which does not)
+ vm_b.wait_migration()
+
+ iotests.log(vm_a.qmp('query-migrate')['return']['status'])
+ iotests.log(vm_b.qmp('query-migrate')['return']['status'])
+
+ iotests.log(vm_a.qmp('query-status'))
+ iotests.log(vm_b.qmp('query-status'))
new file mode 100644
@@ -0,0 +1,17 @@
+Launching source VM...
+Enabling migration QMP events on A...
+{"return": {}}
+Launching destination VM...
+Enabling migration QMP events on B...
+{"return": {}}
+Starting migration to B...
+{"return": {}}
+{"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+completed
+completed
+{"return": {"running": false, "singlestep": false, "status": "postmigrate"}}
+{"return": {"running": true, "singlestep": false, "status": "running"}}
@@ -271,3 +271,4 @@
254 rw backing quick
255 rw quick
256 rw quick
+262 rw quick migration
This test case is motivated by commit 2b23f28639 ('block/copy-on-read: Fix permissions for inactive node'). Instead of just testing copy-on-read on migration, let's stack all sorts of filter nodes on top of each other and try if the resulting VM can still migrate successfully. For good measure, put everything into an iothread, because why not? Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> --- tests/qemu-iotests/262 | 82 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/262.out | 17 ++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 100 insertions(+) create mode 100755 tests/qemu-iotests/262 create mode 100644 tests/qemu-iotests/262.out