tests/qemu-iotests/281

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