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