Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- tests/qemu-iotests/160 | 87 +++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/160.out | 5 +++ tests/qemu-iotests/group | 1 + tests/qemu-iotests/iotests.py | 6 +++ 4 files changed, 99 insertions(+) create mode 100755 tests/qemu-iotests/160 create mode 100644 tests/qemu-iotests/160.out
diff --git a/tests/qemu-iotests/160 b/tests/qemu-iotests/160 new file mode 100755 index 0000000..a69799c --- /dev/null +++ b/tests/qemu-iotests/160 @@ -0,0 +1,87 @@ +#!/usr/bin/env python +# +# Tests for persistent dirty bitmaps. +# +# Copyright: Vladimir Sementsov-Ogievskiy 2015-2016 +# +# 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 +from iotests import qemu_img + +disk = os.path.join(iotests.test_dir, 'disk') +disk_size = 0x40000000 # 1G + +# regions for qemu_io: (start, count) in bytes +regions1 = ((0, 0x100000), + (0x200000, 0x100000)) + +regions2 = ((0x10000000, 0x20000), + (0x39990000, 0x10000)) + +class TestPersistentDirtyBitmap(iotests.QMPTestCase): + + def setUp(self): + qemu_img('create', '-f', iotests.imgfmt, disk, str(disk_size)) + + def tearDown(self): + os.remove(disk) + + def mkVm(self): + return iotests.VM().add_drive(disk) + + def getMd5(self): + result = self.vm.qmp('query-block'); + return result['return'][0]['dirty-bitmaps'][0]['md5'] + + def checkBitmap(self, md5): + result = self.vm.qmp('query-block'); + self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/md5', md5); + + def writeRegions(self, regions): + for r in regions: + self.vm.hmp_qemu_io('drive0', + 'write %d %d' % r) + + def qmpAddBitmap(self): + self.vm.qmp('block-dirty-bitmap-add', node='drive0', + name='bitmap0', persistent=True, autoload=True) + + def test_persistent(self): + self.vm = self.mkVm() + self.vm.launch() + self.qmpAddBitmap() + + self.writeRegions(regions1) + md5 = self.getMd5() + + self.vm.shutdown() + self.vm = self.mkVm() + self.vm.launch() + + self.checkBitmap(md5) + self.writeRegions(regions2) + md5 = self.getMd5() + + self.vm.shutdown() + self.vm.launch() + + self.checkBitmap(md5) + + self.vm.shutdown() + +if __name__ == '__main__': + iotests.main(supported_fmts=['qcow2']) diff --git a/tests/qemu-iotests/160.out b/tests/qemu-iotests/160.out new file mode 100644 index 0000000..ae1213e --- /dev/null +++ b/tests/qemu-iotests/160.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 3a3973e..b5cd18b 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -157,3 +157,4 @@ 155 rw auto 156 rw auto quick 157 auto +160 rw auto quick diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index dbe0ee5..95da7a0 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -159,6 +159,12 @@ class VM(qtest.QEMUQtestMachine): self._num_drives += 1 return self + def add_dirty_bitmap(self, name, node, create=False): + '''Add dirty bitmap parameter to VM cmd''' + self._args.append('-dirty-bitmap') + self._args.append('name=%s,node=%s,create=%s' % (name, node, 'on' if create else 'off')) + return self + def pause_drive(self, drive, event=None): '''Pause drive r/w operations''' if not event: -- 1.8.3.1