tests/qemu-iotests/281

   1 #!/usr/bin/env python3
   2 #
   3 # Test cases for blockdev + IOThread interactions
   4 #
   5 # Copyright (C) 2019 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 import os
  22 import iotests
  23 from iotests import qemu_img
  24
  25 image_len = 64 * 1024 * 1024
  26
  27 # Test for RHBZ#1782175
  28 class TestDirtyBitmapIOThread(iotests.QMPTestCase):
  29     drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
  30     images = { 'drive0': drive0_img }
  31
  32     def setUp(self):
  33         for name in self.images:
  34             qemu_img('create', '-f', iotests.imgfmt,
  35                      self.images[name], str(image_len))
  36
  37         self.vm = iotests.VM()
  38         self.vm.add_object('iothread,id=iothread0')
  39
  40         for name in self.images:
  41             self.vm.add_blockdev('driver=file,filename=%s,node-name=file_%s'
  42                                  % (self.images[name], name))
  43             self.vm.add_blockdev('driver=qcow2,file=file_%s,node-name=%s'
  44                                  % (name, name))
  45
  46         self.vm.launch()
  47         self.vm.qmp('x-blockdev-set-iothread',
  48                     node_name='drive0', iothread='iothread0',
  49                     force=True)
  50
  51     def tearDown(self):
  52         self.vm.shutdown()
  53         for name in self.images:
  54             os.remove(self.images[name])
  55
  56     def test_add_dirty_bitmap(self):
  57         result = self.vm.qmp(
  58             'block-dirty-bitmap-add',
  59             node='drive0',
  60             name='bitmap1',
  61             persistent=True,
  62         )
  63
  64         self.assert_qmp(result, 'return', {})
  65
  66
  67 # Test for RHBZ#1746217 & RHBZ#1773517
  68 class TestNBDMirrorIOThread(iotests.QMPTestCase):
  69     nbd_sock = os.path.join(iotests.sock_dir, 'nbd.sock')
  70     drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
  71     mirror_img = os.path.join(iotests.test_dir, 'mirror.img')
  72     images = { 'drive0': drive0_img, 'mirror': mirror_img }
  73
  74     def setUp(self):
  75         for name in self.images:
  76             qemu_img('create', '-f', iotests.imgfmt,
  77                      self.images[name], str(image_len))
  78
  79         self.vm_src = iotests.VM(path_suffix='src')
  80         self.vm_src.add_object('iothread,id=iothread0')
  81         self.vm_src.add_blockdev('driver=file,filename=%s,node-name=file0'
  82                           % (self.drive0_img))
  83         self.vm_src.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
  84         self.vm_src.launch()
  85         self.vm_src.qmp('x-blockdev-set-iothread',
  86                         node_name='drive0', iothread='iothread0',
  87                         force=True)
  88
  89         self.vm_tgt = iotests.VM(path_suffix='tgt')
  90         self.vm_tgt.add_object('iothread,id=iothread0')
  91         self.vm_tgt.add_blockdev('driver=file,filename=%s,node-name=file0'
  92                           % (self.mirror_img))
  93         self.vm_tgt.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
  94         self.vm_tgt.launch()
  95         self.vm_tgt.qmp('x-blockdev-set-iothread',
  96                         node_name='drive0', iothread='iothread0',
  97                         force=True)
  98
  99     def tearDown(self):
 100         self.vm_src.shutdown()
 101         self.vm_tgt.shutdown()
 102         for name in self.images:
 103             os.remove(self.images[name])
 104
 105     def test_nbd_mirror(self):
 106         result = self.vm_tgt.qmp(
 107             'nbd-server-start',
 108             addr={
 109                 'type': 'unix',
 110                 'data': { 'path': self.nbd_sock }
 111             }
 112         )
 113         self.assert_qmp(result, 'return', {})
 114
 115         result = self.vm_tgt.qmp(
 116             'nbd-server-add',
 117             device='drive0',
 118             writable=True
 119         )
 120         self.assert_qmp(result, 'return', {})
 121
 122         result = self.vm_src.qmp(
 123             'drive-mirror',
 124             device='drive0',
 125             target='nbd+unix:///drive0?socket=' + self.nbd_sock,
 126             sync='full',
 127             mode='existing',
 128             speed=64*1024*1024,
 129             job_id='j1'
 130         )
 131         self.assert_qmp(result, 'return', {})
 132
 133         self.vm_src.event_wait(name="BLOCK_JOB_READY")
 134
 135
 136 # Test for RHBZ#1779036
 137 class TestExternalSnapshotAbort(iotests.QMPTestCase):
 138     drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
 139     snapshot_img = os.path.join(iotests.test_dir, 'snapshot.img')
 140     images = { 'drive0': drive0_img, 'snapshot': snapshot_img }
 141
 142     def setUp(self):
 143         for name in self.images:
 144             qemu_img('create', '-f', iotests.imgfmt,
 145                      self.images[name], str(image_len))
 146
 147         self.vm = iotests.VM()
 148         self.vm.add_object('iothread,id=iothread0')
 149         self.vm.add_blockdev('driver=file,filename=%s,node-name=file0'
 150                           % (self.drive0_img))
 151         self.vm.add_blockdev('driver=qcow2,file=file0,node-name=drive0')
 152         self.vm.launch()
 153         self.vm.qmp('x-blockdev-set-iothread',
 154                     node_name='drive0', iothread='iothread0',
 155                     force=True)
 156
 157     def tearDown(self):
 158         self.vm.shutdown()
 159         for name in self.images:
 160             os.remove(self.images[name])
 161
 162     def test_external_snapshot_abort(self):
 163         # Use a two actions transaction with a bogus values on the second
 164         # one to trigger an abort of the transaction.
 165         result = self.vm.qmp('transaction', actions=[
 166             {
 167                 'type': 'blockdev-snapshot-sync',
 168                 'data': { 'node-name': 'drive0',
 169                           'snapshot-file': self.snapshot_img,
 170                           'snapshot-node-name': 'snap1',
 171                           'mode': 'absolute-paths',
 172                           'format': 'qcow2' }
 173             },
 174             {
 175                 'type': 'blockdev-snapshot-sync',
 176                 'data': { 'node-name': 'drive0',
 177                           'snapshot-file': '/fakesnapshot',
 178                           'snapshot-node-name': 'snap2',
 179                           'mode': 'absolute-paths',
 180                           'format': 'qcow2' }
 181             },
 182         ])
 183
 184         # Crashes on failure, we expect this error.
 185         self.assert_qmp(result, 'error/class', 'GenericError')
 186
 187
 188 # Test for RHBZ#1782111
 189 class TestBlockdevBackupAbort(iotests.QMPTestCase):
 190     drive0_img = os.path.join(iotests.test_dir, 'drive0.img')
 191     drive1_img = os.path.join(iotests.test_dir, 'drive1.img')
 192     snap0_img = os.path.join(iotests.test_dir, 'snap0.img')
 193     snap1_img = os.path.join(iotests.test_dir, 'snap1.img')
 194     images = { 'drive0': drive0_img,
 195                'drive1': drive1_img,
 196                'snap0': snap0_img,
 197                'snap1': snap1_img }
 198
 199     def setUp(self):
 200         for name in self.images:
 201             qemu_img('create', '-f', iotests.imgfmt,
 202                      self.images[name], str(image_len))
 203
 204         self.vm = iotests.VM()
 205         self.vm.add_object('iothread,id=iothread0')
 206         self.vm.add_device('virtio-scsi,iothread=iothread0')
 207
 208         for name in self.images:
 209             self.vm.add_blockdev('driver=file,filename=%s,node-name=file_%s'
 210                                  % (self.images[name], name))
 211             self.vm.add_blockdev('driver=qcow2,file=file_%s,node-name=%s'
 212                                  % (name, name))
 213
 214         self.vm.add_device('scsi-hd,drive=drive0')
 215         self.vm.add_device('scsi-hd,drive=drive1')
 216         self.vm.launch()
 217
 218     def tearDown(self):
 219         self.vm.shutdown()
 220         for name in self.images:
 221             os.remove(self.images[name])
 222
 223     def test_blockdev_backup_abort(self):
 224         # Use a two actions transaction with a bogus values on the second
 225         # one to trigger an abort of the transaction.
 226         result = self.vm.qmp('transaction', actions=[
 227             {
 228                 'type': 'blockdev-backup',
 229                 'data': { 'device': 'drive0',
 230                           'target': 'snap0',
 231                           'sync': 'full',
 232                           'job-id': 'j1' }
 233             },
 234             {
 235                 'type': 'blockdev-backup',
 236                 'data': { 'device': 'drive1',
 237                           'target': 'snap1',
 238                           'sync': 'full' }
 239             },
 240         ])
 241
 242         # Hangs on failure, we expect this error.
 243         self.assert_qmp(result, 'error/class', 'GenericError')
 244
 245 if __name__ == '__main__':
 246     iotests.main(supported_fmts=['qcow2'],
 247                  supported_protocols=['file'])