qemu/tests/qemu-iotests/118

   1 #!/usr/bin/env python
   2 #
   3 # Test case for the QMP 'change' command and all other associated
   4 # commands
   5 #
   6 # Copyright (C) 2015 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 stat
  24 import time
  25 import iotests
  26 from iotests import qemu_img
  27
  28 old_img = os.path.join(iotests.test_dir, 'test0.img')
  29 new_img = os.path.join(iotests.test_dir, 'test1.img')
  30
  31 class ChangeBaseClass(iotests.QMPTestCase):
  32     has_opened = False
  33     has_closed = False
  34
  35     def process_events(self):
  36         for event in self.vm.get_qmp_events(wait=False):
  37             if (event['event'] == 'DEVICE_TRAY_MOVED' and
  38                 event['data']['device'] == 'drive0'):
  39                 if event['data']['tray-open'] == False:
  40                     self.has_closed = True
  41                 else:
  42                     self.has_opened = True
  43
  44     def wait_for_open(self):
  45         if not self.has_real_tray:
  46             return
  47
  48         timeout = time.clock() + 3
  49         while not self.has_opened and time.clock() < timeout:
  50             self.process_events()
  51         if not self.has_opened:
  52             self.fail('Timeout while waiting for the tray to open')
  53
  54     def wait_for_close(self):
  55         if not self.has_real_tray:
  56             return
  57
  58         timeout = time.clock() + 3
  59         while not self.has_closed and time.clock() < timeout:
  60             self.process_events()
  61         if not self.has_opened:
  62             self.fail('Timeout while waiting for the tray to close')
  63
  64 class GeneralChangeTestsBaseClass(ChangeBaseClass):
  65     def test_change(self):
  66         result = self.vm.qmp('change', device='drive0', target=new_img,
  67                                        arg=iotests.imgfmt)
  68         self.assert_qmp(result, 'return', {})
  69
  70         self.wait_for_open()
  71         self.wait_for_close()
  72
  73         result = self.vm.qmp('query-block')
  74         if self.has_real_tray:
  75             self.assert_qmp(result, 'return[0]/tray_open', False)
  76         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
  77
  78     def test_blockdev_change_medium(self):
  79         result = self.vm.qmp('blockdev-change-medium', device='drive0',
  80                                                        filename=new_img,
  81                                                        format=iotests.imgfmt)
  82         self.assert_qmp(result, 'return', {})
  83
  84         self.wait_for_open()
  85         self.wait_for_close()
  86
  87         result = self.vm.qmp('query-block')
  88         if self.has_real_tray:
  89             self.assert_qmp(result, 'return[0]/tray_open', False)
  90         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
  91
  92     def test_eject(self):
  93         result = self.vm.qmp('eject', device='drive0', force=True)
  94         self.assert_qmp(result, 'return', {})
  95
  96         self.wait_for_open()
  97
  98         result = self.vm.qmp('query-block')
  99         if self.has_real_tray:
 100             self.assert_qmp(result, 'return[0]/tray_open', True)
 101         self.assert_qmp_absent(result, 'return[0]/inserted')
 102
 103     def test_tray_eject_change(self):
 104         result = self.vm.qmp('eject', device='drive0', force=True)
 105         self.assert_qmp(result, 'return', {})
 106
 107         self.wait_for_open()
 108
 109         result = self.vm.qmp('query-block')
 110         if self.has_real_tray:
 111             self.assert_qmp(result, 'return[0]/tray_open', True)
 112         self.assert_qmp_absent(result, 'return[0]/inserted')
 113
 114         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 115                                                        filename=new_img,
 116                                                        format=iotests.imgfmt)
 117         self.assert_qmp(result, 'return', {})
 118
 119         self.wait_for_close()
 120
 121         result = self.vm.qmp('query-block')
 122         if self.has_real_tray:
 123             self.assert_qmp(result, 'return[0]/tray_open', False)
 124         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 125
 126     def test_tray_open_close(self):
 127         result = self.vm.qmp('blockdev-open-tray', device='drive0', force=True)
 128         self.assert_qmp(result, 'return', {})
 129
 130         self.wait_for_open()
 131
 132         result = self.vm.qmp('query-block')
 133         if self.has_real_tray:
 134             self.assert_qmp(result, 'return[0]/tray_open', True)
 135         if self.was_empty == True:
 136             self.assert_qmp_absent(result, 'return[0]/inserted')
 137         else:
 138             self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 139
 140         result = self.vm.qmp('blockdev-close-tray', device='drive0')
 141         self.assert_qmp(result, 'return', {})
 142
 143         if self.has_real_tray or not self.was_empty:
 144             self.wait_for_close()
 145
 146         result = self.vm.qmp('query-block')
 147         if self.has_real_tray:
 148             self.assert_qmp(result, 'return[0]/tray_open', False)
 149         if self.was_empty == True:
 150             self.assert_qmp_absent(result, 'return[0]/inserted')
 151         else:
 152             self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 153
 154     def test_tray_eject_close(self):
 155         result = self.vm.qmp('eject', device='drive0', force=True)
 156         self.assert_qmp(result, 'return', {})
 157
 158         self.wait_for_open()
 159
 160         result = self.vm.qmp('query-block')
 161         if self.has_real_tray:
 162             self.assert_qmp(result, 'return[0]/tray_open', True)
 163         self.assert_qmp_absent(result, 'return[0]/inserted')
 164
 165         result = self.vm.qmp('blockdev-close-tray', device='drive0')
 166         self.assert_qmp(result, 'return', {})
 167
 168         self.wait_for_close()
 169
 170         result = self.vm.qmp('query-block')
 171         if self.has_real_tray:
 172             self.assert_qmp(result, 'return[0]/tray_open', False)
 173         self.assert_qmp_absent(result, 'return[0]/inserted')
 174
 175     def test_tray_open_change(self):
 176         result = self.vm.qmp('blockdev-open-tray', device='drive0', force=True)
 177         self.assert_qmp(result, 'return', {})
 178
 179         self.wait_for_open()
 180
 181         result = self.vm.qmp('query-block')
 182         if self.has_real_tray:
 183             self.assert_qmp(result, 'return[0]/tray_open', True)
 184         if self.was_empty == True:
 185             self.assert_qmp_absent(result, 'return[0]/inserted')
 186         else:
 187             self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 188
 189         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 190                                                        filename=new_img,
 191                                                        format=iotests.imgfmt)
 192         self.assert_qmp(result, 'return', {})
 193
 194         self.wait_for_close()
 195
 196         result = self.vm.qmp('query-block')
 197         if self.has_real_tray:
 198             self.assert_qmp(result, 'return[0]/tray_open', False)
 199         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 200
 201     def test_cycle(self):
 202         result = self.vm.qmp('blockdev-add',
 203                              options={'node-name': 'new',
 204                                       'driver': iotests.imgfmt,
 205                                       'file': {'filename': new_img,
 206                                                'driver': 'file'}})
 207         self.assert_qmp(result, 'return', {})
 208
 209         result = self.vm.qmp('blockdev-open-tray', device='drive0', force=True)
 210         self.assert_qmp(result, 'return', {})
 211
 212         self.wait_for_open()
 213
 214         result = self.vm.qmp('query-block')
 215         if self.has_real_tray:
 216             self.assert_qmp(result, 'return[0]/tray_open', True)
 217         if self.was_empty == True:
 218             self.assert_qmp_absent(result, 'return[0]/inserted')
 219         else:
 220             self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 221
 222         result = self.vm.qmp('x-blockdev-remove-medium', device='drive0')
 223         self.assert_qmp(result, 'return', {})
 224
 225         result = self.vm.qmp('query-block')
 226         if self.has_real_tray:
 227             self.assert_qmp(result, 'return[0]/tray_open', True)
 228         self.assert_qmp_absent(result, 'return[0]/inserted')
 229
 230         result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
 231                                                        node_name='new')
 232         self.assert_qmp(result, 'return', {})
 233
 234         result = self.vm.qmp('query-block')
 235         if self.has_real_tray:
 236             self.assert_qmp(result, 'return[0]/tray_open', True)
 237         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 238
 239         result = self.vm.qmp('blockdev-close-tray', device='drive0')
 240         self.assert_qmp(result, 'return', {})
 241
 242         self.wait_for_close()
 243
 244         result = self.vm.qmp('query-block')
 245         if self.has_real_tray:
 246             self.assert_qmp(result, 'return[0]/tray_open', False)
 247         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 248
 249     def test_close_on_closed(self):
 250         result = self.vm.qmp('blockdev-close-tray', device='drive0')
 251         # Should be a no-op
 252         self.assert_qmp(result, 'return', {})
 253         self.assertEquals(self.vm.get_qmp_events(wait=False), [])
 254
 255     def test_remove_on_closed(self):
 256         if not self.has_real_tray:
 257             return
 258
 259         result = self.vm.qmp('x-blockdev-remove-medium', device='drive0')
 260         self.assert_qmp(result, 'error/class', 'GenericError')
 261
 262     def test_insert_on_closed(self):
 263         if not self.has_real_tray:
 264             return
 265
 266         result = self.vm.qmp('blockdev-add',
 267                              options={'node-name': 'new',
 268                                       'driver': iotests.imgfmt,
 269                                       'file': {'filename': new_img,
 270                                                'driver': 'file'}})
 271         self.assert_qmp(result, 'return', {})
 272
 273         result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
 274                                                        node_name='new')
 275         self.assert_qmp(result, 'error/class', 'GenericError')
 276
 277 class TestInitiallyFilled(GeneralChangeTestsBaseClass):
 278     was_empty = False
 279
 280     def setUp(self, media, interface):
 281         qemu_img('create', '-f', iotests.imgfmt, old_img, '1440k')
 282         qemu_img('create', '-f', iotests.imgfmt, new_img, '1440k')
 283         self.vm = iotests.VM().add_drive(old_img, 'media=%s' % media, interface)
 284         self.vm.launch()
 285
 286     def tearDown(self):
 287         self.vm.shutdown()
 288         os.remove(old_img)
 289         os.remove(new_img)
 290
 291     def test_insert_on_filled(self):
 292         result = self.vm.qmp('blockdev-add',
 293                              options={'node-name': 'new',
 294                                       'driver': iotests.imgfmt,
 295                                       'file': {'filename': new_img,
 296                                                'driver': 'file'}})
 297         self.assert_qmp(result, 'return', {})
 298
 299         result = self.vm.qmp('blockdev-open-tray', device='drive0')
 300         self.assert_qmp(result, 'return', {})
 301
 302         self.wait_for_open()
 303
 304         result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
 305                                                        node_name='new')
 306         self.assert_qmp(result, 'error/class', 'GenericError')
 307
 308 class TestInitiallyEmpty(GeneralChangeTestsBaseClass):
 309     was_empty = True
 310
 311     def setUp(self, media, interface):
 312         qemu_img('create', '-f', iotests.imgfmt, new_img, '1440k')
 313         self.vm = iotests.VM().add_drive(None, 'media=%s' % media, interface)
 314         self.vm.launch()
 315
 316     def tearDown(self):
 317         self.vm.shutdown()
 318         os.remove(new_img)
 319
 320     def test_remove_on_empty(self):
 321         result = self.vm.qmp('blockdev-open-tray', device='drive0')
 322         self.assert_qmp(result, 'return', {})
 323
 324         self.wait_for_open()
 325
 326         result = self.vm.qmp('x-blockdev-remove-medium', device='drive0')
 327         # Should be a no-op
 328         self.assert_qmp(result, 'return', {})
 329
 330 class TestCDInitiallyFilled(TestInitiallyFilled):
 331     TestInitiallyFilled = TestInitiallyFilled
 332     has_real_tray = True
 333
 334     def setUp(self):
 335         self.TestInitiallyFilled.setUp(self, 'cdrom', 'ide')
 336
 337 class TestCDInitiallyEmpty(TestInitiallyEmpty):
 338     TestInitiallyEmpty = TestInitiallyEmpty
 339     has_real_tray = True
 340
 341     def setUp(self):
 342         self.TestInitiallyEmpty.setUp(self, 'cdrom', 'ide')
 343
 344 class TestFloppyInitiallyFilled(TestInitiallyFilled):
 345     TestInitiallyFilled = TestInitiallyFilled
 346     has_real_tray = False
 347
 348     def setUp(self):
 349         self.TestInitiallyFilled.setUp(self, 'disk', 'floppy')
 350
 351 class TestFloppyInitiallyEmpty(TestInitiallyEmpty):
 352     TestInitiallyEmpty = TestInitiallyEmpty
 353     has_real_tray = False
 354
 355     def setUp(self):
 356         self.TestInitiallyEmpty.setUp(self, 'disk', 'floppy')
 357         # FDDs not having a real tray and there not being a medium inside the
 358         # tray at startup means the tray will be considered open
 359         self.has_opened = True
 360
 361 class TestChangeReadOnly(ChangeBaseClass):
 362     def setUp(self):
 363         qemu_img('create', '-f', iotests.imgfmt, old_img, '1440k')
 364         qemu_img('create', '-f', iotests.imgfmt, new_img, '1440k')
 365         self.vm = iotests.VM()
 366
 367     def tearDown(self):
 368         self.vm.shutdown()
 369         os.chmod(old_img, 0666)
 370         os.chmod(new_img, 0666)
 371         os.remove(old_img)
 372         os.remove(new_img)
 373
 374     def test_ro_ro_retain(self):
 375         os.chmod(old_img, 0444)
 376         os.chmod(new_img, 0444)
 377         self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
 378         self.vm.launch()
 379
 380         result = self.vm.qmp('query-block')
 381         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 382         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 383
 384         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 385                                                        filename=new_img,
 386                                                        format=iotests.imgfmt,
 387                                                        read_only_mode='retain')
 388         self.assert_qmp(result, 'return', {})
 389
 390         result = self.vm.qmp('query-block')
 391         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 392         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 393
 394     def test_ro_rw_retain(self):
 395         os.chmod(old_img, 0444)
 396         self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
 397         self.vm.launch()
 398
 399         result = self.vm.qmp('query-block')
 400         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 401         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 402
 403         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 404                                                        filename=new_img,
 405                                                        format=iotests.imgfmt,
 406                                                        read_only_mode='retain')
 407         self.assert_qmp(result, 'return', {})
 408
 409         result = self.vm.qmp('query-block')
 410         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 411         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 412
 413     def test_rw_ro_retain(self):
 414         os.chmod(new_img, 0444)
 415         self.vm.add_drive(old_img, 'media=disk', 'floppy')
 416         self.vm.launch()
 417
 418         result = self.vm.qmp('query-block')
 419         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 420         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 421
 422         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 423                                                        filename=new_img,
 424                                                        format=iotests.imgfmt,
 425                                                        read_only_mode='retain')
 426         self.assert_qmp(result, 'error/class', 'GenericError')
 427
 428         self.assertEquals(self.vm.get_qmp_events(wait=False), [])
 429
 430         result = self.vm.qmp('query-block')
 431         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 432         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 433
 434     def test_ro_rw(self):
 435         os.chmod(old_img, 0444)
 436         self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
 437         self.vm.launch()
 438
 439         result = self.vm.qmp('query-block')
 440         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 441         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 442
 443         result = self.vm.qmp('blockdev-change-medium',
 444                              device='drive0',
 445                              filename=new_img,
 446                              format=iotests.imgfmt,
 447                              read_only_mode='read-write')
 448         self.assert_qmp(result, 'return', {})
 449
 450         result = self.vm.qmp('query-block')
 451         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 452         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 453
 454     def test_rw_ro(self):
 455         os.chmod(new_img, 0444)
 456         self.vm.add_drive(old_img, 'media=disk', 'floppy')
 457         self.vm.launch()
 458
 459         result = self.vm.qmp('query-block')
 460         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 461         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 462
 463         result = self.vm.qmp('blockdev-change-medium',
 464                              device='drive0',
 465                              filename=new_img,
 466                              format=iotests.imgfmt,
 467                              read_only_mode='read-only')
 468         self.assert_qmp(result, 'return', {})
 469
 470         result = self.vm.qmp('query-block')
 471         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 472         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 473
 474     def test_make_rw_ro(self):
 475         self.vm.add_drive(old_img, 'media=disk', 'floppy')
 476         self.vm.launch()
 477
 478         result = self.vm.qmp('query-block')
 479         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 480         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 481
 482         result = self.vm.qmp('blockdev-change-medium',
 483                              device='drive0',
 484                              filename=new_img,
 485                              format=iotests.imgfmt,
 486                              read_only_mode='read-only')
 487         self.assert_qmp(result, 'return', {})
 488
 489         result = self.vm.qmp('query-block')
 490         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 491         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 492
 493     def test_make_ro_rw(self):
 494         os.chmod(new_img, 0444)
 495         self.vm.add_drive(old_img, 'media=disk', 'floppy')
 496         self.vm.launch()
 497
 498         result = self.vm.qmp('query-block')
 499         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 500         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 501
 502         result = self.vm.qmp('blockdev-change-medium',
 503                              device='drive0',
 504                              filename=new_img,
 505                              format=iotests.imgfmt,
 506                              read_only_mode='read-write')
 507         self.assert_qmp(result, 'error/class', 'GenericError')
 508
 509         result = self.vm.qmp('query-block')
 510         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 511         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 512
 513     def test_make_rw_ro_by_retain(self):
 514         os.chmod(old_img, 0444)
 515         self.vm.add_drive(old_img, 'media=disk,read-only=on', 'floppy')
 516         self.vm.launch()
 517
 518         result = self.vm.qmp('query-block')
 519         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 520         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 521
 522         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 523                                                        filename=new_img,
 524                                                        format=iotests.imgfmt,
 525                                                        read_only_mode='retain')
 526         self.assert_qmp(result, 'return', {})
 527
 528         result = self.vm.qmp('query-block')
 529         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 530         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 531
 532     def test_make_ro_rw_by_retain(self):
 533         os.chmod(new_img, 0444)
 534         self.vm.add_drive(old_img, 'media=disk', 'floppy')
 535         self.vm.launch()
 536
 537         result = self.vm.qmp('query-block')
 538         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 539         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 540
 541         result = self.vm.qmp('blockdev-change-medium', device='drive0',
 542                                                        filename=new_img,
 543                                                        format=iotests.imgfmt,
 544                                                        read_only_mode='retain')
 545         self.assert_qmp(result, 'error/class', 'GenericError')
 546
 547         result = self.vm.qmp('query-block')
 548         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 549         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 550
 551     def test_rw_ro_cycle(self):
 552         os.chmod(new_img, 0444)
 553         self.vm.add_drive(old_img, 'media=disk', 'floppy')
 554         self.vm.launch()
 555
 556         result = self.vm.qmp('query-block')
 557         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 558         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 559
 560         result = self.vm.qmp('blockdev-add',
 561                              options={'node-name': 'new',
 562                                       'driver': iotests.imgfmt,
 563                                       'read-only': True,
 564                                       'file': {'filename': new_img,
 565                                                'driver': 'file'}})
 566         self.assert_qmp(result, 'return', {})
 567
 568         result = self.vm.qmp('query-block')
 569         self.assert_qmp(result, 'return[0]/inserted/ro', False)
 570         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 571
 572         result = self.vm.qmp('x-blockdev-remove-medium', device='drive0')
 573         self.assert_qmp(result, 'return', {})
 574
 575         result = self.vm.qmp('query-block')
 576         self.assert_qmp_absent(result, 'return[0]/inserted')
 577
 578         result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
 579                                                        node_name='new')
 580         self.assert_qmp(result, 'return', {})
 581
 582         result = self.vm.qmp('query-block')
 583         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 584         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 585
 586         result = self.vm.qmp('query-block')
 587         self.assert_qmp(result, 'return[0]/inserted/ro', True)
 588         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 589
 590 GeneralChangeTestsBaseClass = None
 591 TestInitiallyFilled = None
 592 TestInitiallyEmpty = None
 593
 594
 595 class TestBlockJobsAfterCycle(ChangeBaseClass):
 596     def setUp(self):
 597         qemu_img('create', '-f', iotests.imgfmt, old_img, '1M')
 598
 599         self.vm = iotests.VM()
 600         self.vm.launch()
 601
 602         result = self.vm.qmp('blockdev-add',
 603                              options={'id': 'drive0',
 604                                       'driver': 'null-co'})
 605         self.assert_qmp(result, 'return', {})
 606
 607         result = self.vm.qmp('query-block')
 608         self.assert_qmp(result, 'return[0]/inserted/image/format', 'null-co')
 609
 610         # For device-less BBs, calling blockdev-open-tray or blockdev-close-tray
 611         # is not necessary
 612         result = self.vm.qmp('x-blockdev-remove-medium', device='drive0')
 613         self.assert_qmp(result, 'return', {})
 614
 615         result = self.vm.qmp('query-block')
 616         self.assert_qmp_absent(result, 'return[0]/inserted')
 617
 618         result = self.vm.qmp('blockdev-add',
 619                              options={'node-name': 'node0',
 620                                       'driver': iotests.imgfmt,
 621                                       'file': {'filename': old_img,
 622                                                'driver': 'file'}})
 623         self.assert_qmp(result, 'return', {})
 624
 625         result = self.vm.qmp('x-blockdev-insert-medium', device='drive0',
 626                                                        node_name='node0')
 627         self.assert_qmp(result, 'return', {})
 628
 629         result = self.vm.qmp('query-block')
 630         self.assert_qmp(result, 'return[0]/inserted/image/filename', old_img)
 631
 632     def tearDown(self):
 633         self.vm.shutdown()
 634         os.remove(old_img)
 635         try:
 636             os.remove(new_img)
 637         except OSError:
 638             pass
 639
 640     def test_snapshot_and_commit(self):
 641         # We need backing file support
 642         if iotests.imgfmt != 'qcow2' and iotests.imgfmt != 'qed':
 643             return
 644
 645         result = self.vm.qmp('blockdev-snapshot-sync', device='drive0',
 646                                                        snapshot_file=new_img,
 647                                                        format=iotests.imgfmt)
 648         self.assert_qmp(result, 'return', {})
 649
 650         result = self.vm.qmp('query-block')
 651         self.assert_qmp(result, 'return[0]/inserted/image/filename', new_img)
 652         self.assert_qmp(result,
 653                         'return[0]/inserted/image/backing-image/filename',
 654                         old_img)
 655
 656         result = self.vm.qmp('block-commit', device='drive0')
 657         self.assert_qmp(result, 'return', {})
 658
 659         self.vm.event_wait(name='BLOCK_JOB_READY')
 660
 661         result = self.vm.qmp('query-block-jobs')
 662         self.assert_qmp(result, 'return[0]/device', 'drive0')
 663
 664         result = self.vm.qmp('block-job-complete', device='drive0')
 665         self.assert_qmp(result, 'return', {})
 666
 667         self.vm.event_wait(name='BLOCK_JOB_COMPLETED')
 668
 669
 670 if __name__ == '__main__':
 671     if iotests.qemu_default_machine != 'pc':
 672         # We need floppy and IDE CD-ROM
 673         iotests.notrun('not suitable for this machine type: %s' %
 674                        iotests.qemu_default_machine)
 675     # Need to support image creation
 676     iotests.main(supported_fmts=['vpc', 'parallels', 'qcow', 'vdi', 'qcow2',
 677                                  'vmdk', 'raw', 'vhdx', 'qed'])