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