1#!/usr/bin/env python 2# 3# Tests for image mirroring. 4# 5# Copyright (C) 2012 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 21import time 22import os 23import iotests 24from iotests import qemu_img, qemu_io 25 26backing_img = os.path.join(iotests.test_dir, 'backing.img') 27target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img') 28test_img = os.path.join(iotests.test_dir, 'test.img') 29target_img = os.path.join(iotests.test_dir, 'target.img') 30 31quorum_img1 = os.path.join(iotests.test_dir, 'quorum1.img') 32quorum_img2 = os.path.join(iotests.test_dir, 'quorum2.img') 33quorum_img3 = os.path.join(iotests.test_dir, 'quorum3.img') 34quorum_repair_img = os.path.join(iotests.test_dir, 'quorum_repair.img') 35quorum_snapshot_file = os.path.join(iotests.test_dir, 'quorum_snapshot.img') 36 37class TestSingleDrive(iotests.QMPTestCase): 38 image_len = 1 * 1024 * 1024 # MB 39 qmp_cmd = 'drive-mirror' 40 qmp_target = target_img 41 42 def setUp(self): 43 iotests.create_image(backing_img, self.image_len) 44 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 45 self.vm = iotests.VM().add_drive(test_img) 46 if iotests.qemu_default_machine == 'pc': 47 self.vm.add_drive(None, 'media=cdrom', 'ide') 48 self.vm.launch() 49 50 def tearDown(self): 51 self.vm.shutdown() 52 os.remove(test_img) 53 os.remove(backing_img) 54 try: 55 os.remove(target_img) 56 except OSError: 57 pass 58 59 def test_complete(self): 60 self.assert_no_active_block_jobs() 61 62 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 63 target=self.qmp_target) 64 self.assert_qmp(result, 'return', {}) 65 66 self.complete_and_wait() 67 result = self.vm.qmp('query-block') 68 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 69 self.vm.shutdown() 70 self.assertTrue(iotests.compare_images(test_img, target_img), 71 'target image does not match source after mirroring') 72 73 def test_cancel(self): 74 self.assert_no_active_block_jobs() 75 76 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 77 target=self.qmp_target) 78 self.assert_qmp(result, 'return', {}) 79 80 self.cancel_and_wait(force=True) 81 result = self.vm.qmp('query-block') 82 self.assert_qmp(result, 'return[0]/inserted/file', test_img) 83 self.vm.shutdown() 84 85 def test_cancel_after_ready(self): 86 self.assert_no_active_block_jobs() 87 88 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 89 target=self.qmp_target) 90 self.assert_qmp(result, 'return', {}) 91 92 self.wait_ready_and_cancel() 93 result = self.vm.qmp('query-block') 94 self.assert_qmp(result, 'return[0]/inserted/file', test_img) 95 self.vm.shutdown() 96 self.assertTrue(iotests.compare_images(test_img, target_img), 97 'target image does not match source after mirroring') 98 99 def test_pause(self): 100 self.assert_no_active_block_jobs() 101 102 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 103 target=self.qmp_target) 104 self.assert_qmp(result, 'return', {}) 105 106 result = self.vm.qmp('block-job-pause', device='drive0') 107 self.assert_qmp(result, 'return', {}) 108 109 time.sleep(1) 110 result = self.vm.qmp('query-block-jobs') 111 offset = self.dictpath(result, 'return[0]/offset') 112 113 time.sleep(1) 114 result = self.vm.qmp('query-block-jobs') 115 self.assert_qmp(result, 'return[0]/offset', offset) 116 117 result = self.vm.qmp('block-job-resume', device='drive0') 118 self.assert_qmp(result, 'return', {}) 119 120 self.complete_and_wait() 121 self.vm.shutdown() 122 self.assertTrue(iotests.compare_images(test_img, target_img), 123 'target image does not match source after mirroring') 124 125 def test_small_buffer(self): 126 self.assert_no_active_block_jobs() 127 128 # A small buffer is rounded up automatically 129 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 130 buf_size=4096, target=self.qmp_target) 131 self.assert_qmp(result, 'return', {}) 132 133 self.complete_and_wait() 134 result = self.vm.qmp('query-block') 135 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 136 self.vm.shutdown() 137 self.assertTrue(iotests.compare_images(test_img, target_img), 138 'target image does not match source after mirroring') 139 140 def test_small_buffer2(self): 141 self.assert_no_active_block_jobs() 142 143 qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' 144 % (self.image_len, self.image_len), target_img) 145 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 146 buf_size=65536, mode='existing', target=self.qmp_target) 147 self.assert_qmp(result, 'return', {}) 148 149 self.complete_and_wait() 150 result = self.vm.qmp('query-block') 151 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 152 self.vm.shutdown() 153 self.assertTrue(iotests.compare_images(test_img, target_img), 154 'target image does not match source after mirroring') 155 156 def test_large_cluster(self): 157 self.assert_no_active_block_jobs() 158 159 qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' 160 % (self.image_len, backing_img), target_img) 161 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 162 mode='existing', target=self.qmp_target) 163 self.assert_qmp(result, 'return', {}) 164 165 self.complete_and_wait() 166 result = self.vm.qmp('query-block') 167 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 168 self.vm.shutdown() 169 self.assertTrue(iotests.compare_images(test_img, target_img), 170 'target image does not match source after mirroring') 171 172 def test_medium_not_found(self): 173 if iotests.qemu_default_machine != 'pc': 174 return 175 176 result = self.vm.qmp(self.qmp_cmd, device='ide1-cd0', sync='full', 177 target=self.qmp_target) 178 self.assert_qmp(result, 'error/class', 'GenericError') 179 180 def test_image_not_found(self): 181 result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full', 182 mode='existing', target=self.qmp_target) 183 self.assert_qmp(result, 'error/class', 'GenericError') 184 185 def test_device_not_found(self): 186 result = self.vm.qmp(self.qmp_cmd, device='nonexistent', sync='full', 187 target=self.qmp_target) 188 self.assert_qmp(result, 'error/class', 'GenericError') 189 190class TestSingleBlockdev(TestSingleDrive): 191 qmp_cmd = 'blockdev-mirror' 192 qmp_target = 'node1' 193 194 def setUp(self): 195 TestSingleDrive.setUp(self) 196 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) 197 args = {'options': 198 {'driver': iotests.imgfmt, 199 'node-name': self.qmp_target, 200 'file': { 'filename': target_img, 'driver': 'file' } } } 201 result = self.vm.qmp("blockdev-add", **args) 202 self.assert_qmp(result, 'return', {}) 203 204 test_large_cluster = None 205 test_image_not_found = None 206 test_small_buffer2 = None 207 208class TestSingleDriveZeroLength(TestSingleDrive): 209 image_len = 0 210 test_small_buffer2 = None 211 test_large_cluster = None 212 213class TestSingleBlockdevZeroLength(TestSingleBlockdev): 214 image_len = 0 215 216class TestSingleDriveUnalignedLength(TestSingleDrive): 217 image_len = 1025 * 1024 218 test_small_buffer2 = None 219 test_large_cluster = None 220 221class TestSingleBlockdevUnalignedLength(TestSingleBlockdev): 222 image_len = 1025 * 1024 223 224class TestMirrorNoBacking(iotests.QMPTestCase): 225 image_len = 2 * 1024 * 1024 # MB 226 227 def setUp(self): 228 iotests.create_image(backing_img, TestMirrorNoBacking.image_len) 229 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 230 self.vm = iotests.VM().add_drive(test_img) 231 self.vm.launch() 232 233 def tearDown(self): 234 self.vm.shutdown() 235 os.remove(test_img) 236 os.remove(backing_img) 237 try: 238 os.remove(target_backing_img) 239 except: 240 pass 241 os.remove(target_img) 242 243 def test_complete(self): 244 self.assert_no_active_block_jobs() 245 246 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) 247 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 248 mode='existing', target=target_img) 249 self.assert_qmp(result, 'return', {}) 250 251 self.complete_and_wait() 252 result = self.vm.qmp('query-block') 253 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 254 self.vm.shutdown() 255 self.assertTrue(iotests.compare_images(test_img, target_img), 256 'target image does not match source after mirroring') 257 258 def test_cancel(self): 259 self.assert_no_active_block_jobs() 260 261 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) 262 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 263 mode='existing', target=target_img) 264 self.assert_qmp(result, 'return', {}) 265 266 self.wait_ready_and_cancel() 267 result = self.vm.qmp('query-block') 268 self.assert_qmp(result, 'return[0]/inserted/file', test_img) 269 self.vm.shutdown() 270 self.assertTrue(iotests.compare_images(test_img, target_img), 271 'target image does not match source after mirroring') 272 273 def test_large_cluster(self): 274 self.assert_no_active_block_jobs() 275 276 # qemu-img create fails if the image is not there 277 qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d' 278 %(TestMirrorNoBacking.image_len), target_backing_img) 279 qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' 280 % (TestMirrorNoBacking.image_len, target_backing_img), target_img) 281 282 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 283 mode='existing', target=target_img) 284 self.assert_qmp(result, 'return', {}) 285 286 self.complete_and_wait() 287 result = self.vm.qmp('query-block') 288 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 289 self.vm.shutdown() 290 self.assertTrue(iotests.compare_images(test_img, target_img), 291 'target image does not match source after mirroring') 292 293class TestMirrorResized(iotests.QMPTestCase): 294 backing_len = 1 * 1024 * 1024 # MB 295 image_len = 2 * 1024 * 1024 # MB 296 297 def setUp(self): 298 iotests.create_image(backing_img, TestMirrorResized.backing_len) 299 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 300 qemu_img('resize', test_img, '2M') 301 self.vm = iotests.VM().add_drive(test_img) 302 self.vm.launch() 303 304 def tearDown(self): 305 self.vm.shutdown() 306 os.remove(test_img) 307 os.remove(backing_img) 308 try: 309 os.remove(target_img) 310 except OSError: 311 pass 312 313 def test_complete_top(self): 314 self.assert_no_active_block_jobs() 315 316 result = self.vm.qmp('drive-mirror', device='drive0', sync='top', 317 target=target_img) 318 self.assert_qmp(result, 'return', {}) 319 320 self.complete_and_wait() 321 result = self.vm.qmp('query-block') 322 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 323 self.vm.shutdown() 324 self.assertTrue(iotests.compare_images(test_img, target_img), 325 'target image does not match source after mirroring') 326 327 def test_complete_full(self): 328 self.assert_no_active_block_jobs() 329 330 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 331 target=target_img) 332 self.assert_qmp(result, 'return', {}) 333 334 self.complete_and_wait() 335 result = self.vm.qmp('query-block') 336 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 337 self.vm.shutdown() 338 self.assertTrue(iotests.compare_images(test_img, target_img), 339 'target image does not match source after mirroring') 340 341class TestReadErrors(iotests.QMPTestCase): 342 image_len = 2 * 1024 * 1024 # MB 343 344 # this should be a multiple of twice the default granularity 345 # so that we hit this offset first in state 1 346 MIRROR_GRANULARITY = 1024 * 1024 347 348 def create_blkdebug_file(self, name, event, errno): 349 file = open(name, 'w') 350 file.write(''' 351[inject-error] 352state = "1" 353event = "%s" 354errno = "%d" 355immediately = "off" 356once = "on" 357sector = "%d" 358 359[set-state] 360state = "1" 361event = "%s" 362new_state = "2" 363 364[set-state] 365state = "2" 366event = "%s" 367new_state = "1" 368''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) 369 file.close() 370 371 def setUp(self): 372 self.blkdebug_file = backing_img + ".blkdebug" 373 iotests.create_image(backing_img, TestReadErrors.image_len) 374 self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) 375 qemu_img('create', '-f', iotests.imgfmt, 376 '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 377 % (self.blkdebug_file, backing_img), 378 test_img) 379 # Write something for tests that use sync='top' 380 qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536), 381 test_img) 382 self.vm = iotests.VM().add_drive(test_img) 383 self.vm.launch() 384 385 def tearDown(self): 386 self.vm.shutdown() 387 os.remove(test_img) 388 os.remove(backing_img) 389 os.remove(self.blkdebug_file) 390 391 def test_report_read(self): 392 self.assert_no_active_block_jobs() 393 394 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 395 target=target_img) 396 self.assert_qmp(result, 'return', {}) 397 398 completed = False 399 error = False 400 while not completed: 401 for event in self.vm.get_qmp_events(wait=True): 402 if event['event'] == 'BLOCK_JOB_ERROR': 403 self.assert_qmp(event, 'data/device', 'drive0') 404 self.assert_qmp(event, 'data/operation', 'read') 405 error = True 406 elif event['event'] == 'BLOCK_JOB_READY': 407 self.assertTrue(False, 'job completed unexpectedly') 408 elif event['event'] == 'BLOCK_JOB_COMPLETED': 409 self.assertTrue(error, 'job completed unexpectedly') 410 self.assert_qmp(event, 'data/type', 'mirror') 411 self.assert_qmp(event, 'data/device', 'drive0') 412 self.assert_qmp(event, 'data/error', 'Input/output error') 413 completed = True 414 415 self.assert_no_active_block_jobs() 416 self.vm.shutdown() 417 418 def test_ignore_read(self): 419 self.assert_no_active_block_jobs() 420 421 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 422 target=target_img, on_source_error='ignore') 423 self.assert_qmp(result, 'return', {}) 424 425 event = self.vm.get_qmp_event(wait=True) 426 self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') 427 self.assert_qmp(event, 'data/device', 'drive0') 428 self.assert_qmp(event, 'data/operation', 'read') 429 result = self.vm.qmp('query-block-jobs') 430 self.assert_qmp(result, 'return[0]/paused', False) 431 self.complete_and_wait() 432 self.vm.shutdown() 433 434 def test_large_cluster(self): 435 self.assert_no_active_block_jobs() 436 437 # Test COW into the target image. The first half of the 438 # cluster at MIRROR_GRANULARITY has to be copied from 439 # backing_img, even though sync='top'. 440 qemu_img('create', '-f', iotests.imgfmt, '-ocluster_size=131072,backing_file=%s' %(backing_img), target_img) 441 result = self.vm.qmp('drive-mirror', device='drive0', sync='top', 442 on_source_error='ignore', 443 mode='existing', target=target_img) 444 self.assert_qmp(result, 'return', {}) 445 446 event = self.vm.get_qmp_event(wait=True) 447 self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') 448 self.assert_qmp(event, 'data/device', 'drive0') 449 self.assert_qmp(event, 'data/operation', 'read') 450 result = self.vm.qmp('query-block-jobs') 451 self.assert_qmp(result, 'return[0]/paused', False) 452 self.complete_and_wait() 453 self.vm.shutdown() 454 455 # Detach blkdebug to compare images successfully 456 qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img, test_img) 457 self.assertTrue(iotests.compare_images(test_img, target_img), 458 'target image does not match source after mirroring') 459 460 def test_stop_read(self): 461 self.assert_no_active_block_jobs() 462 463 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 464 target=target_img, on_source_error='stop') 465 self.assert_qmp(result, 'return', {}) 466 467 error = False 468 ready = False 469 while not ready: 470 for event in self.vm.get_qmp_events(wait=True): 471 if event['event'] == 'BLOCK_JOB_ERROR': 472 self.assert_qmp(event, 'data/device', 'drive0') 473 self.assert_qmp(event, 'data/operation', 'read') 474 475 result = self.vm.qmp('query-block-jobs') 476 self.assert_qmp(result, 'return[0]/paused', True) 477 self.assert_qmp(result, 'return[0]/io-status', 'failed') 478 479 result = self.vm.qmp('block-job-resume', device='drive0') 480 self.assert_qmp(result, 'return', {}) 481 error = True 482 elif event['event'] == 'BLOCK_JOB_READY': 483 self.assertTrue(error, 'job completed unexpectedly') 484 self.assert_qmp(event, 'data/device', 'drive0') 485 ready = True 486 487 result = self.vm.qmp('query-block-jobs') 488 self.assert_qmp(result, 'return[0]/paused', False) 489 self.assert_qmp(result, 'return[0]/io-status', 'ok') 490 491 self.complete_and_wait(wait_ready=False) 492 self.assert_no_active_block_jobs() 493 self.vm.shutdown() 494 495class TestWriteErrors(iotests.QMPTestCase): 496 image_len = 2 * 1024 * 1024 # MB 497 498 # this should be a multiple of twice the default granularity 499 # so that we hit this offset first in state 1 500 MIRROR_GRANULARITY = 1024 * 1024 501 502 def create_blkdebug_file(self, name, event, errno): 503 file = open(name, 'w') 504 file.write(''' 505[inject-error] 506state = "1" 507event = "%s" 508errno = "%d" 509immediately = "off" 510once = "on" 511sector = "%d" 512 513[set-state] 514state = "1" 515event = "%s" 516new_state = "2" 517 518[set-state] 519state = "2" 520event = "%s" 521new_state = "1" 522''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) 523 file.close() 524 525 def setUp(self): 526 self.blkdebug_file = target_img + ".blkdebug" 527 iotests.create_image(backing_img, TestWriteErrors.image_len) 528 self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5) 529 qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img) 530 self.vm = iotests.VM().add_drive(test_img) 531 self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img) 532 qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img) 533 self.vm.launch() 534 535 def tearDown(self): 536 self.vm.shutdown() 537 os.remove(test_img) 538 os.remove(backing_img) 539 os.remove(self.blkdebug_file) 540 541 def test_report_write(self): 542 self.assert_no_active_block_jobs() 543 544 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 545 mode='existing', target=self.target_img) 546 self.assert_qmp(result, 'return', {}) 547 548 completed = False 549 error = False 550 while not completed: 551 for event in self.vm.get_qmp_events(wait=True): 552 if event['event'] == 'BLOCK_JOB_ERROR': 553 self.assert_qmp(event, 'data/device', 'drive0') 554 self.assert_qmp(event, 'data/operation', 'write') 555 error = True 556 elif event['event'] == 'BLOCK_JOB_READY': 557 self.assertTrue(False, 'job completed unexpectedly') 558 elif event['event'] == 'BLOCK_JOB_COMPLETED': 559 self.assertTrue(error, 'job completed unexpectedly') 560 self.assert_qmp(event, 'data/type', 'mirror') 561 self.assert_qmp(event, 'data/device', 'drive0') 562 self.assert_qmp(event, 'data/error', 'Input/output error') 563 completed = True 564 565 self.assert_no_active_block_jobs() 566 self.vm.shutdown() 567 568 def test_ignore_write(self): 569 self.assert_no_active_block_jobs() 570 571 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 572 mode='existing', target=self.target_img, 573 on_target_error='ignore') 574 self.assert_qmp(result, 'return', {}) 575 576 event = self.vm.get_qmp_event(wait=True) 577 self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') 578 self.assert_qmp(event, 'data/device', 'drive0') 579 self.assert_qmp(event, 'data/operation', 'write') 580 result = self.vm.qmp('query-block-jobs') 581 self.assert_qmp(result, 'return[0]/paused', False) 582 self.complete_and_wait() 583 self.vm.shutdown() 584 585 def test_stop_write(self): 586 self.assert_no_active_block_jobs() 587 588 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 589 mode='existing', target=self.target_img, 590 on_target_error='stop') 591 self.assert_qmp(result, 'return', {}) 592 593 error = False 594 ready = False 595 while not ready: 596 for event in self.vm.get_qmp_events(wait=True): 597 if event['event'] == 'BLOCK_JOB_ERROR': 598 self.assert_qmp(event, 'data/device', 'drive0') 599 self.assert_qmp(event, 'data/operation', 'write') 600 601 result = self.vm.qmp('query-block-jobs') 602 self.assert_qmp(result, 'return[0]/paused', True) 603 self.assert_qmp(result, 'return[0]/io-status', 'failed') 604 605 result = self.vm.qmp('block-job-resume', device='drive0') 606 self.assert_qmp(result, 'return', {}) 607 608 result = self.vm.qmp('query-block-jobs') 609 self.assert_qmp(result, 'return[0]/paused', False) 610 self.assert_qmp(result, 'return[0]/io-status', 'ok') 611 error = True 612 elif event['event'] == 'BLOCK_JOB_READY': 613 self.assertTrue(error, 'job completed unexpectedly') 614 self.assert_qmp(event, 'data/device', 'drive0') 615 ready = True 616 617 self.complete_and_wait(wait_ready=False) 618 self.assert_no_active_block_jobs() 619 self.vm.shutdown() 620 621class TestSetSpeed(iotests.QMPTestCase): 622 image_len = 80 * 1024 * 1024 # MB 623 624 def setUp(self): 625 qemu_img('create', backing_img, str(TestSetSpeed.image_len)) 626 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 627 self.vm = iotests.VM().add_drive(test_img) 628 self.vm.launch() 629 630 def tearDown(self): 631 self.vm.shutdown() 632 os.remove(test_img) 633 os.remove(backing_img) 634 os.remove(target_img) 635 636 def test_set_speed(self): 637 self.assert_no_active_block_jobs() 638 639 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 640 target=target_img) 641 self.assert_qmp(result, 'return', {}) 642 643 # Default speed is 0 644 result = self.vm.qmp('query-block-jobs') 645 self.assert_qmp(result, 'return[0]/device', 'drive0') 646 self.assert_qmp(result, 'return[0]/speed', 0) 647 648 result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 649 self.assert_qmp(result, 'return', {}) 650 651 # Ensure the speed we set was accepted 652 result = self.vm.qmp('query-block-jobs') 653 self.assert_qmp(result, 'return[0]/device', 'drive0') 654 self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) 655 656 self.wait_ready_and_cancel() 657 658 # Check setting speed in drive-mirror works 659 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 660 target=target_img, speed=4*1024*1024) 661 self.assert_qmp(result, 'return', {}) 662 663 result = self.vm.qmp('query-block-jobs') 664 self.assert_qmp(result, 'return[0]/device', 'drive0') 665 self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) 666 667 self.wait_ready_and_cancel() 668 669 def test_set_speed_invalid(self): 670 self.assert_no_active_block_jobs() 671 672 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 673 target=target_img, speed=-1) 674 self.assert_qmp(result, 'error/class', 'GenericError') 675 676 self.assert_no_active_block_jobs() 677 678 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 679 target=target_img) 680 self.assert_qmp(result, 'return', {}) 681 682 result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) 683 self.assert_qmp(result, 'error/class', 'GenericError') 684 685 self.wait_ready_and_cancel() 686 687class TestUnbackedSource(iotests.QMPTestCase): 688 image_len = 2 * 1024 * 1024 # MB 689 690 def setUp(self): 691 qemu_img('create', '-f', iotests.imgfmt, test_img, 692 str(TestUnbackedSource.image_len)) 693 self.vm = iotests.VM().add_drive(test_img) 694 self.vm.launch() 695 696 def tearDown(self): 697 self.vm.shutdown() 698 os.remove(test_img) 699 os.remove(target_img) 700 701 def test_absolute_paths_full(self): 702 self.assert_no_active_block_jobs() 703 result = self.vm.qmp('drive-mirror', device='drive0', 704 sync='full', target=target_img, 705 mode='absolute-paths') 706 self.assert_qmp(result, 'return', {}) 707 self.complete_and_wait() 708 self.assert_no_active_block_jobs() 709 710 def test_absolute_paths_top(self): 711 self.assert_no_active_block_jobs() 712 result = self.vm.qmp('drive-mirror', device='drive0', 713 sync='top', target=target_img, 714 mode='absolute-paths') 715 self.assert_qmp(result, 'return', {}) 716 self.complete_and_wait() 717 self.assert_no_active_block_jobs() 718 719 def test_absolute_paths_none(self): 720 self.assert_no_active_block_jobs() 721 result = self.vm.qmp('drive-mirror', device='drive0', 722 sync='none', target=target_img, 723 mode='absolute-paths') 724 self.assert_qmp(result, 'return', {}) 725 self.complete_and_wait() 726 self.assert_no_active_block_jobs() 727 728class TestGranularity(iotests.QMPTestCase): 729 image_len = 10 * 1024 * 1024 # MB 730 731 def setUp(self): 732 qemu_img('create', '-f', iotests.imgfmt, test_img, 733 str(TestGranularity.image_len)) 734 qemu_io('-c', 'write 0 %d' % (self.image_len), 735 test_img) 736 self.vm = iotests.VM().add_drive(test_img) 737 self.vm.launch() 738 739 def tearDown(self): 740 self.vm.shutdown() 741 self.assertTrue(iotests.compare_images(test_img, target_img), 742 'target image does not match source after mirroring') 743 os.remove(test_img) 744 os.remove(target_img) 745 746 def test_granularity(self): 747 self.assert_no_active_block_jobs() 748 result = self.vm.qmp('drive-mirror', device='drive0', 749 sync='full', target=target_img, 750 mode='absolute-paths', granularity=8192) 751 self.assert_qmp(result, 'return', {}) 752 event = self.vm.get_qmp_event(wait=60.0) 753 # Failures will manifest as COMPLETED/ERROR. 754 self.assert_qmp(event, 'event', 'BLOCK_JOB_READY') 755 self.complete_and_wait(drive='drive0', wait_ready=False) 756 self.assert_no_active_block_jobs() 757 758class TestRepairQuorum(iotests.QMPTestCase): 759 """ This class test quorum file repair using drive-mirror. 760 It's mostly a fork of TestSingleDrive """ 761 image_len = 1 * 1024 * 1024 # MB 762 IMAGES = [ quorum_img1, quorum_img2, quorum_img3 ] 763 764 def has_quorum(self): 765 return 'quorum' in iotests.qemu_img_pipe('--help') 766 767 def setUp(self): 768 self.vm = iotests.VM() 769 770 if iotests.qemu_default_machine == 'pc': 771 self.vm.add_drive(None, 'media=cdrom', 'ide') 772 773 # Add each individual quorum images 774 for i in self.IMAGES: 775 qemu_img('create', '-f', iotests.imgfmt, i, 776 str(TestSingleDrive.image_len)) 777 # Assign a node name to each quorum image in order to manipulate 778 # them 779 opts = "node-name=img%i" % self.IMAGES.index(i) 780 self.vm = self.vm.add_drive(i, opts) 781 782 self.vm.launch() 783 784 #assemble the quorum block device from the individual files 785 args = { "options" : { "driver": "quorum", "node-name": "quorum0", 786 "vote-threshold": 2, "children": [ "img0", "img1", "img2" ] } } 787 if self.has_quorum(): 788 result = self.vm.qmp("blockdev-add", **args) 789 self.assert_qmp(result, 'return', {}) 790 791 792 def tearDown(self): 793 self.vm.shutdown() 794 for i in self.IMAGES + [ quorum_repair_img ]: 795 # Do a try/except because the test may have deleted some images 796 try: 797 os.remove(i) 798 except OSError: 799 pass 800 801 def test_complete(self): 802 if not self.has_quorum(): 803 return 804 805 self.assert_no_active_block_jobs() 806 807 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 808 sync='full', node_name="repair0", replaces="img1", 809 target=quorum_repair_img, format=iotests.imgfmt) 810 self.assert_qmp(result, 'return', {}) 811 812 self.complete_and_wait(drive="job0") 813 self.assert_has_block_node("repair0", quorum_repair_img) 814 # TODO: a better test requiring some QEMU infrastructure will be added 815 # to check that this file is really driven by quorum 816 self.vm.shutdown() 817 self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img), 818 'target image does not match source after mirroring') 819 820 def test_cancel(self): 821 if not self.has_quorum(): 822 return 823 824 self.assert_no_active_block_jobs() 825 826 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 827 sync='full', node_name="repair0", replaces="img1", 828 target=quorum_repair_img, format=iotests.imgfmt) 829 self.assert_qmp(result, 'return', {}) 830 831 self.cancel_and_wait(drive="job0", force=True) 832 # here we check that the last registered quorum file has not been 833 # swapped out and unref 834 self.assert_has_block_node(None, quorum_img3) 835 self.vm.shutdown() 836 837 def test_cancel_after_ready(self): 838 if not self.has_quorum(): 839 return 840 841 self.assert_no_active_block_jobs() 842 843 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 844 sync='full', node_name="repair0", replaces="img1", 845 target=quorum_repair_img, format=iotests.imgfmt) 846 self.assert_qmp(result, 'return', {}) 847 848 self.wait_ready_and_cancel(drive="job0") 849 # here we check that the last registered quorum file has not been 850 # swapped out and unref 851 self.assert_has_block_node(None, quorum_img3) 852 self.vm.shutdown() 853 self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img), 854 'target image does not match source after mirroring') 855 856 def test_pause(self): 857 if not self.has_quorum(): 858 return 859 860 self.assert_no_active_block_jobs() 861 862 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 863 sync='full', node_name="repair0", replaces="img1", 864 target=quorum_repair_img, format=iotests.imgfmt) 865 self.assert_qmp(result, 'return', {}) 866 867 result = self.vm.qmp('block-job-pause', device='job0') 868 self.assert_qmp(result, 'return', {}) 869 870 time.sleep(1) 871 result = self.vm.qmp('query-block-jobs') 872 offset = self.dictpath(result, 'return[0]/offset') 873 874 time.sleep(1) 875 result = self.vm.qmp('query-block-jobs') 876 self.assert_qmp(result, 'return[0]/offset', offset) 877 878 result = self.vm.qmp('block-job-resume', device='job0') 879 self.assert_qmp(result, 'return', {}) 880 881 self.complete_and_wait(drive="job0") 882 self.vm.shutdown() 883 self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img), 884 'target image does not match source after mirroring') 885 886 def test_medium_not_found(self): 887 if not self.has_quorum(): 888 return 889 890 if iotests.qemu_default_machine != 'pc': 891 return 892 893 result = self.vm.qmp('drive-mirror', job_id='job0', device='drive0', # CD-ROM 894 sync='full', 895 node_name='repair0', 896 replaces='img1', 897 target=quorum_repair_img, format=iotests.imgfmt) 898 self.assert_qmp(result, 'error/class', 'GenericError') 899 900 def test_image_not_found(self): 901 if not self.has_quorum(): 902 return 903 904 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 905 sync='full', node_name='repair0', replaces='img1', 906 mode='existing', target=quorum_repair_img, 907 format=iotests.imgfmt) 908 self.assert_qmp(result, 'error/class', 'GenericError') 909 910 def test_device_not_found(self): 911 if not self.has_quorum(): 912 return 913 914 result = self.vm.qmp('drive-mirror', job_id='job0', 915 device='nonexistent', sync='full', 916 node_name='repair0', 917 replaces='img1', 918 target=quorum_repair_img, format=iotests.imgfmt) 919 self.assert_qmp(result, 'error/class', 'GenericError') 920 921 def test_wrong_sync_mode(self): 922 if not self.has_quorum(): 923 return 924 925 result = self.vm.qmp('drive-mirror', device='quorum0', job_id='job0', 926 node_name='repair0', 927 replaces='img1', 928 target=quorum_repair_img, format=iotests.imgfmt) 929 self.assert_qmp(result, 'error/class', 'GenericError') 930 931 def test_no_node_name(self): 932 if not self.has_quorum(): 933 return 934 935 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 936 sync='full', replaces='img1', 937 target=quorum_repair_img, format=iotests.imgfmt) 938 self.assert_qmp(result, 'error/class', 'GenericError') 939 940 def test_nonexistent_replaces(self): 941 if not self.has_quorum(): 942 return 943 944 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 945 sync='full', node_name='repair0', replaces='img77', 946 target=quorum_repair_img, format=iotests.imgfmt) 947 self.assert_qmp(result, 'error/class', 'GenericError') 948 949 def test_after_a_quorum_snapshot(self): 950 if not self.has_quorum(): 951 return 952 953 result = self.vm.qmp('blockdev-snapshot-sync', node_name='img1', 954 snapshot_file=quorum_snapshot_file, 955 snapshot_node_name="snap1"); 956 957 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 958 sync='full', node_name='repair0', replaces="img1", 959 target=quorum_repair_img, format=iotests.imgfmt) 960 self.assert_qmp(result, 'error/class', 'GenericError') 961 962 result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0', 963 sync='full', node_name='repair0', replaces="snap1", 964 target=quorum_repair_img, format=iotests.imgfmt) 965 self.assert_qmp(result, 'return', {}) 966 967 self.complete_and_wait('job0') 968 self.assert_has_block_node("repair0", quorum_repair_img) 969 # TODO: a better test requiring some QEMU infrastructure will be added 970 # to check that this file is really driven by quorum 971 self.vm.shutdown() 972 973if __name__ == '__main__': 974 iotests.main(supported_fmts=['qcow2', 'qed']) 975