The test starts two vms (vm_a, vm_b), create dirty bitmap in the first one, do several writes to corresponding device and then migrate vm_a to vm_b with dirty bitmaps.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- tests/qemu-iotests/117 | 82 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/117.out | 5 +++ tests/qemu-iotests/group | 1 + 3 files changed, 88 insertions(+) create mode 100755 tests/qemu-iotests/117 create mode 100644 tests/qemu-iotests/117.out diff --git a/tests/qemu-iotests/117 b/tests/qemu-iotests/117 new file mode 100755 index 0000000..bcdc1f8 --- /dev/null +++ b/tests/qemu-iotests/117 @@ -0,0 +1,82 @@ +#!/usr/bin/env python +# +# Tests for dirty bitmaps migration. +# +# (C) Vladimir Sementsov-Ogievskiy 2015 +# +# 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 os +import iotests +import time +from iotests import qemu_img + +disk_a = os.path.join(iotests.test_dir, 'disk_a') +disk_b = os.path.join(iotests.test_dir, 'disk_b') + +size = 0x400000000 # 1G +sector_size = 512 +granularity = 512 +regions = [ + { 'start': 0, 'count': 0x100000 }, + { 'start': 0x100000000, 'count': 0x200000 }, + { 'start': 0x399900000, 'count': 0x100000 } + ] + +class TestDirtyBitmapMigration(iotests.QMPTestCase): + + def setUp(self): + qemu_img('create', '-f', iotests.imgfmt, disk_a, str(size)) + qemu_img('create', '-f', iotests.imgfmt, disk_b, str(size)) + self.vm_a = iotests.VM().add_drive(disk_a) + self.vm_b = iotests.VM().add_drive(disk_b) + self.vm_b.add_incoming_migration("tcp:0:4444") + self.vm_a.launch() + self.vm_b.launch() + + def tearDown(self): + self.vm_a.shutdown() + self.vm_b.shutdown() + os.remove(disk_a) + os.remove(disk_b) + + def test_migration(self): + result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0', + name='bitmap', granularity=granularity) + self.assert_qmp(result, 'return', {}); + + for r in regions: + self.vm_a.hmp_qemu_io('drive0', + 'write %d %d' % (r['start'], r['count'])) + + result = self.vm_a.qmp('query-block'); + md5 = result['return'][0]['dirty-bitmaps'][0]['md5'] + + result = self.vm_a.qmp('migrate-set-capabilities', + capabilities=[{'capability': 'dirty-bitmaps', + 'state': True}]) + self.assert_qmp(result, 'return', {}) + + result = self.vm_a.qmp('migrate', uri='tcp:0:4444') + self.assertNotEqual(self.vm_a.event_wait("STOP"), None) + self.assertNotEqual(self.vm_b.event_wait("RESUME"), None) + time.sleep(2) + + result = self.vm_b.qmp('query-block'); + self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/md5', md5); + + +if __name__ == '__main__': + iotests.main() diff --git a/tests/qemu-iotests/117.out b/tests/qemu-iotests/117.out new file mode 100644 index 0000000..ae1213e --- /dev/null +++ b/tests/qemu-iotests/117.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index d6e9219..b2d6ab6 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -122,6 +122,7 @@ 114 rw auto quick 115 rw auto 116 rw auto quick +117 rw auto quick 118 rw auto 119 rw auto quick 120 rw auto quick -- 1.8.3.1
