projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 44c7ca5e PB |
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 | ||
| 21 | import time | |
| 22 | import os | |
| 23 | import iotests | |
| 24 | from iotests import qemu_img, qemu_io | |
| 25 | import struct | |
| 26 | ||
| 27 | backing_img = os.path.join(iotests.test_dir, 'backing.img') | |
| 28 | target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img') | |
| 29 | test_img = os.path.join(iotests.test_dir, 'test.img') | |
| 30 | target_img = os.path.join(iotests.test_dir, 'target.img') | |
| 31 | ||
| 32 | class ImageMirroringTestCase(iotests.QMPTestCase): | |
| 33 | '''Abstract base class for image mirroring test cases''' | |
| 34 | ||
| 44c7ca5e PB |
35 | def cancel_and_wait(self, drive='drive0', wait_ready=True): |
| 36 | '''Cancel a block job and wait for it to finish''' | |
| 37 | if wait_ready: | |
| 38 | ready = False | |
| 39 | while not ready: | |
| 40 | for event in self.vm.get_qmp_events(wait=True): | |
| 41 | if event['event'] == 'BLOCK_JOB_READY': | |
| 42 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 43 | self.assert_qmp(event, 'data/device', drive) | |
| 44 | ready = True | |
| 45 | ||
| 46 | result = self.vm.qmp('block-job-cancel', device=drive, | |
| 47 | force=not wait_ready) | |
| 48 | self.assert_qmp(result, 'return', {}) | |
| 49 | ||
| 50 | cancelled = False | |
| 51 | while not cancelled: | |
| 52 | for event in self.vm.get_qmp_events(wait=True): | |
| 53 | if event['event'] == 'BLOCK_JOB_COMPLETED' or \ | |
| 54 | event['event'] == 'BLOCK_JOB_CANCELLED': | |
| 55 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 56 | self.assert_qmp(event, 'data/device', drive) | |
| 57 | if wait_ready: | |
| 58 | self.assertEquals(event['event'], 'BLOCK_JOB_COMPLETED') | |
| 59 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 60 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 61 | cancelled = True | |
| 62 | ||
| ecc1c88e | 63 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
64 | |
| 65 | def complete_and_wait(self, drive='drive0', wait_ready=True): | |
| 66 | '''Complete a block job and wait for it to finish''' | |
| 67 | if wait_ready: | |
| 68 | ready = False | |
| 69 | while not ready: | |
| 70 | for event in self.vm.get_qmp_events(wait=True): | |
| 71 | if event['event'] == 'BLOCK_JOB_READY': | |
| 72 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 73 | self.assert_qmp(event, 'data/device', drive) | |
| 74 | ready = True | |
| 75 | ||
| 76 | result = self.vm.qmp('block-job-complete', device=drive) | |
| 77 | self.assert_qmp(result, 'return', {}) | |
| 78 | ||
| 79 | completed = False | |
| 80 | while not completed: | |
| 81 | for event in self.vm.get_qmp_events(wait=True): | |
| 82 | if event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 83 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 84 | self.assert_qmp(event, 'data/device', drive) | |
| 85 | self.assert_qmp_absent(event, 'data/error') | |
| 86 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 87 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 88 | completed = True | |
| 89 | ||
| ecc1c88e | 90 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
91 | |
| 92 | def create_image(self, name, size): | |
| 93 | file = open(name, 'w') | |
| 94 | i = 0 | |
| 95 | while i < size: | |
| 96 | sector = struct.pack('>l504xl', i / 512, i / 512) | |
| 97 | file.write(sector) | |
| 98 | i = i + 512 | |
| 99 | file.close() | |
| 100 | ||
| 101 | def compare_images(self, img1, img2): | |
| 102 | try: | |
| 103 | qemu_img('convert', '-f', iotests.imgfmt, '-O', 'raw', img1, img1 + '.raw') | |
| 104 | qemu_img('convert', '-f', iotests.imgfmt, '-O', 'raw', img2, img2 + '.raw') | |
| 105 | file1 = open(img1 + '.raw', 'r') | |
| 106 | file2 = open(img2 + '.raw', 'r') | |
| 107 | return file1.read() == file2.read() | |
| 108 | finally: | |
| 109 | if file1 is not None: | |
| 110 | file1.close() | |
| 111 | if file2 is not None: | |
| 112 | file2.close() | |
| 113 | try: | |
| 114 | os.remove(img1 + '.raw') | |
| 115 | except OSError: | |
| 116 | pass | |
| 117 | try: | |
| 118 | os.remove(img2 + '.raw') | |
| 119 | except OSError: | |
| 120 | pass | |
| 121 | ||
| 122 | class TestSingleDrive(ImageMirroringTestCase): | |
| 123 | image_len = 1 * 1024 * 1024 # MB | |
| 124 | ||
| 125 | def setUp(self): | |
| 126 | self.create_image(backing_img, TestSingleDrive.image_len) | |
| 127 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) | |
| 128 | self.vm = iotests.VM().add_drive(test_img) | |
| 129 | self.vm.launch() | |
| 130 | ||
| 131 | def tearDown(self): | |
| 132 | self.vm.shutdown() | |
| 133 | os.remove(test_img) | |
| 134 | os.remove(backing_img) | |
| 135 | try: | |
| 136 | os.remove(target_img) | |
| 137 | except OSError: | |
| 138 | pass | |
| 139 | ||
| 140 | def test_complete(self): | |
| ecc1c88e | 141 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
142 | |
| 143 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 144 | target=target_img) | |
| 145 | self.assert_qmp(result, 'return', {}) | |
| 146 | ||
| 147 | self.complete_and_wait() | |
| 148 | result = self.vm.qmp('query-block') | |
| 149 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 150 | self.vm.shutdown() | |
| 151 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 152 | 'target image does not match source after mirroring') | |
| 153 | ||
| 154 | def test_cancel(self): | |
| ecc1c88e | 155 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
156 | |
| 157 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 158 | target=target_img) | |
| 159 | self.assert_qmp(result, 'return', {}) | |
| 160 | ||
| 161 | self.cancel_and_wait(wait_ready=False) | |
| 162 | result = self.vm.qmp('query-block') | |
| 163 | self.assert_qmp(result, 'return[0]/inserted/file', test_img) | |
| 164 | self.vm.shutdown() | |
| 165 | ||
| 166 | def test_cancel_after_ready(self): | |
| ecc1c88e | 167 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
168 | |
| 169 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 170 | target=target_img) | |
| 171 | self.assert_qmp(result, 'return', {}) | |
| 172 | ||
| 173 | self.cancel_and_wait() | |
| 174 | result = self.vm.qmp('query-block') | |
| 175 | self.assert_qmp(result, 'return[0]/inserted/file', test_img) | |
| 176 | self.vm.shutdown() | |
| 177 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 178 | 'target image does not match source after mirroring') | |
| 179 | ||
| 180 | def test_pause(self): | |
| ecc1c88e | 181 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
182 | |
| 183 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 184 | target=target_img) | |
| 185 | self.assert_qmp(result, 'return', {}) | |
| 186 | ||
| 187 | result = self.vm.qmp('block-job-pause', device='drive0') | |
| 188 | self.assert_qmp(result, 'return', {}) | |
| 189 | ||
| 190 | time.sleep(1) | |
| 191 | result = self.vm.qmp('query-block-jobs') | |
| 192 | offset = self.dictpath(result, 'return[0]/offset') | |
| 193 | ||
| 194 | time.sleep(1) | |
| 195 | result = self.vm.qmp('query-block-jobs') | |
| 196 | self.assert_qmp(result, 'return[0]/offset', offset) | |
| 197 | ||
| 198 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 199 | self.assert_qmp(result, 'return', {}) | |
| 200 | ||
| 201 | self.complete_and_wait() | |
| 202 | self.vm.shutdown() | |
| 08e4ed6c PB |
203 | self.assertTrue(self.compare_images(test_img, target_img), |
| 204 | 'target image does not match source after mirroring') | |
| 205 | ||
| 206 | def test_small_buffer(self): | |
| ecc1c88e | 207 | self.assert_no_active_block_jobs() |
| 08e4ed6c PB |
208 | |
| 209 | # A small buffer is rounded up automatically | |
| 210 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 211 | buf_size=4096, target=target_img) | |
| 212 | self.assert_qmp(result, 'return', {}) | |
| 213 | ||
| 214 | self.complete_and_wait() | |
| 215 | result = self.vm.qmp('query-block') | |
| 216 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 217 | self.vm.shutdown() | |
| 218 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 219 | 'target image does not match source after mirroring') | |
| 220 | ||
| 221 | def test_small_buffer2(self): | |
| ecc1c88e | 222 | self.assert_no_active_block_jobs() |
| 08e4ed6c PB |
223 | |
| 224 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' | |
| 225 | % (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img) | |
| 226 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 227 | buf_size=65536, mode='existing', target=target_img) | |
| 228 | self.assert_qmp(result, 'return', {}) | |
| 229 | ||
| 230 | self.complete_and_wait() | |
| 231 | result = self.vm.qmp('query-block') | |
| 232 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 233 | self.vm.shutdown() | |
| 44c7ca5e PB |
234 | self.assertTrue(self.compare_images(test_img, target_img), |
| 235 | 'target image does not match source after mirroring') | |
| 236 | ||
| 237 | def test_large_cluster(self): | |
| ecc1c88e | 238 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
239 | |
| 240 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' | |
| 241 | % (TestSingleDrive.image_len, backing_img), target_img) | |
| 242 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 243 | mode='existing', target=target_img) | |
| 244 | self.assert_qmp(result, 'return', {}) | |
| 245 | ||
| 246 | self.complete_and_wait() | |
| 247 | result = self.vm.qmp('query-block') | |
| 248 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 249 | self.vm.shutdown() | |
| 250 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 251 | 'target image does not match source after mirroring') | |
| 252 | ||
| 253 | def test_medium_not_found(self): | |
| 254 | result = self.vm.qmp('drive-mirror', device='ide1-cd0', sync='full', | |
| 255 | target=target_img) | |
| 256 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 257 | ||
| 258 | def test_image_not_found(self): | |
| 259 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 260 | mode='existing', target=target_img) | |
| 261 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 262 | ||
| 263 | def test_device_not_found(self): | |
| 264 | result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full', | |
| 265 | target=target_img) | |
| 266 | self.assert_qmp(result, 'error/class', 'DeviceNotFound') | |
| 267 | ||
| 268 | class TestMirrorNoBacking(ImageMirroringTestCase): | |
| 269 | image_len = 2 * 1024 * 1024 # MB | |
| 270 | ||
| 271 | def complete_and_wait(self, drive='drive0', wait_ready=True): | |
| 272 | self.create_image(target_backing_img, TestMirrorNoBacking.image_len) | |
| 273 | return ImageMirroringTestCase.complete_and_wait(self, drive, wait_ready) | |
| 274 | ||
| 275 | def compare_images(self, img1, img2): | |
| 276 | self.create_image(target_backing_img, TestMirrorNoBacking.image_len) | |
| 277 | return ImageMirroringTestCase.compare_images(self, img1, img2) | |
| 278 | ||
| 279 | def setUp(self): | |
| 280 | self.create_image(backing_img, TestMirrorNoBacking.image_len) | |
| 281 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) | |
| 282 | self.vm = iotests.VM().add_drive(test_img) | |
| 283 | self.vm.launch() | |
| 284 | ||
| 285 | def tearDown(self): | |
| 286 | self.vm.shutdown() | |
| 287 | os.remove(test_img) | |
| 288 | os.remove(backing_img) | |
| 289 | os.remove(target_backing_img) | |
| 290 | os.remove(target_img) | |
| 291 | ||
| 292 | def test_complete(self): | |
| ecc1c88e | 293 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
294 | |
| 295 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) | |
| 296 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 297 | mode='existing', target=target_img) | |
| 298 | self.assert_qmp(result, 'return', {}) | |
| 299 | ||
| 300 | self.complete_and_wait() | |
| 301 | result = self.vm.qmp('query-block') | |
| 302 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 303 | self.vm.shutdown() | |
| 304 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 305 | 'target image does not match source after mirroring') | |
| 306 | ||
| 307 | def test_cancel(self): | |
| ecc1c88e | 308 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
309 | |
| 310 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) | |
| 311 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 312 | mode='existing', target=target_img) | |
| 313 | self.assert_qmp(result, 'return', {}) | |
| 314 | ||
| 315 | self.cancel_and_wait() | |
| 316 | result = self.vm.qmp('query-block') | |
| 317 | self.assert_qmp(result, 'return[0]/inserted/file', test_img) | |
| 318 | self.vm.shutdown() | |
| 319 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 320 | 'target image does not match source after mirroring') | |
| 321 | ||
| b812f671 | 322 | def test_large_cluster(self): |
| ecc1c88e | 323 | self.assert_no_active_block_jobs() |
| b812f671 PB |
324 | |
| 325 | # qemu-img create fails if the image is not there | |
| 326 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d' | |
| 327 | %(TestMirrorNoBacking.image_len), target_backing_img) | |
| 328 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' | |
| 329 | % (TestMirrorNoBacking.image_len, target_backing_img), target_img) | |
| 330 | os.remove(target_backing_img) | |
| 331 | ||
| 332 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 333 | mode='existing', target=target_img) | |
| 334 | self.assert_qmp(result, 'return', {}) | |
| 335 | ||
| 336 | self.complete_and_wait() | |
| 337 | result = self.vm.qmp('query-block') | |
| 338 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 339 | self.vm.shutdown() | |
| 340 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 341 | 'target image does not match source after mirroring') | |
| 342 | ||
| a04eca10 VI |
343 | class TestMirrorResized(ImageMirroringTestCase): |
| 344 | backing_len = 1 * 1024 * 1024 # MB | |
| 345 | image_len = 2 * 1024 * 1024 # MB | |
| 346 | ||
| 347 | def setUp(self): | |
| 348 | self.create_image(backing_img, TestMirrorResized.backing_len) | |
| 349 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) | |
| 350 | qemu_img('resize', test_img, '2M') | |
| 351 | self.vm = iotests.VM().add_drive(test_img) | |
| 352 | self.vm.launch() | |
| 353 | ||
| 354 | def tearDown(self): | |
| 355 | self.vm.shutdown() | |
| 356 | os.remove(test_img) | |
| 357 | os.remove(backing_img) | |
| 358 | try: | |
| 359 | os.remove(target_img) | |
| 360 | except OSError: | |
| 361 | pass | |
| 362 | ||
| 363 | def test_complete_top(self): | |
| ecc1c88e | 364 | self.assert_no_active_block_jobs() |
| a04eca10 VI |
365 | |
| 366 | result = self.vm.qmp('drive-mirror', device='drive0', sync='top', | |
| 367 | target=target_img) | |
| 368 | self.assert_qmp(result, 'return', {}) | |
| 369 | ||
| 370 | self.complete_and_wait() | |
| 371 | result = self.vm.qmp('query-block') | |
| 372 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 373 | self.vm.shutdown() | |
| 374 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 375 | 'target image does not match source after mirroring') | |
| 376 | ||
| 377 | def test_complete_full(self): | |
| ecc1c88e | 378 | self.assert_no_active_block_jobs() |
| a04eca10 VI |
379 | |
| 380 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 381 | target=target_img) | |
| 382 | self.assert_qmp(result, 'return', {}) | |
| 383 | ||
| 384 | self.complete_and_wait() | |
| 385 | result = self.vm.qmp('query-block') | |
| 386 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 387 | self.vm.shutdown() | |
| 388 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 389 | 'target image does not match source after mirroring') | |
| 390 | ||
| 9dfa9f59 PB |
391 | class TestReadErrors(ImageMirroringTestCase): |
| 392 | image_len = 2 * 1024 * 1024 # MB | |
| 393 | ||
| 394 | # this should be a multiple of twice the default granularity | |
| 395 | # so that we hit this offset first in state 1 | |
| 396 | MIRROR_GRANULARITY = 1024 * 1024 | |
| 397 | ||
| 398 | def create_blkdebug_file(self, name, event, errno): | |
| 399 | file = open(name, 'w') | |
| 400 | file.write(''' | |
| 401 | [inject-error] | |
| 402 | state = "1" | |
| 403 | event = "%s" | |
| 404 | errno = "%d" | |
| 405 | immediately = "off" | |
| 406 | once = "on" | |
| 407 | sector = "%d" | |
| 408 | ||
| 409 | [set-state] | |
| 410 | state = "1" | |
| 411 | event = "%s" | |
| 412 | new_state = "2" | |
| 413 | ||
| 414 | [set-state] | |
| 415 | state = "2" | |
| 416 | event = "%s" | |
| 417 | new_state = "1" | |
| 418 | ''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) | |
| 419 | file.close() | |
| 420 | ||
| 421 | def setUp(self): | |
| 422 | self.blkdebug_file = backing_img + ".blkdebug" | |
| 423 | self.create_image(backing_img, TestReadErrors.image_len) | |
| 424 | self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) | |
| 425 | qemu_img('create', '-f', iotests.imgfmt, | |
| 426 | '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' | |
| 427 | % (self.blkdebug_file, backing_img), | |
| 428 | test_img) | |
| b812f671 PB |
429 | # Write something for tests that use sync='top' |
| 430 | qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536), | |
| 431 | test_img) | |
| 9dfa9f59 PB |
432 | self.vm = iotests.VM().add_drive(test_img) |
| 433 | self.vm.launch() | |
| 434 | ||
| 435 | def tearDown(self): | |
| 436 | self.vm.shutdown() | |
| 437 | os.remove(test_img) | |
| 438 | os.remove(backing_img) | |
| 439 | os.remove(self.blkdebug_file) | |
| 440 | ||
| 441 | def test_report_read(self): | |
| ecc1c88e | 442 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
443 | |
| 444 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 445 | target=target_img) | |
| 446 | self.assert_qmp(result, 'return', {}) | |
| 447 | ||
| 448 | completed = False | |
| 449 | error = False | |
| 450 | while not completed: | |
| 451 | for event in self.vm.get_qmp_events(wait=True): | |
| 452 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 453 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 454 | self.assert_qmp(event, 'data/operation', 'read') | |
| 455 | error = True | |
| 456 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 457 | self.assertTrue(False, 'job completed unexpectedly') | |
| 458 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 459 | self.assertTrue(error, 'job completed unexpectedly') | |
| 460 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 461 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 462 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 463 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 464 | completed = True | |
| 465 | ||
| ecc1c88e | 466 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
467 | self.vm.shutdown() |
| 468 | ||
| 469 | def test_ignore_read(self): | |
| ecc1c88e | 470 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
471 | |
| 472 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 473 | target=target_img, on_source_error='ignore') | |
| 474 | self.assert_qmp(result, 'return', {}) | |
| 475 | ||
| 476 | event = self.vm.get_qmp_event(wait=True) | |
| 477 | self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') | |
| 478 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 479 | self.assert_qmp(event, 'data/operation', 'read') | |
| 480 | result = self.vm.qmp('query-block-jobs') | |
| 481 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 482 | self.complete_and_wait() | |
| 483 | self.vm.shutdown() | |
| 484 | ||
| b812f671 | 485 | def test_large_cluster(self): |
| ecc1c88e | 486 | self.assert_no_active_block_jobs() |
| b812f671 PB |
487 | |
| 488 | # Test COW into the target image. The first half of the | |
| 489 | # cluster at MIRROR_GRANULARITY has to be copied from | |
| 490 | # backing_img, even though sync='top'. | |
| 491 | qemu_img('create', '-f', iotests.imgfmt, '-ocluster_size=131072,backing_file=%s' %(backing_img), target_img) | |
| 492 | result = self.vm.qmp('drive-mirror', device='drive0', sync='top', | |
| 493 | on_source_error='ignore', | |
| 494 | mode='existing', target=target_img) | |
| 495 | self.assert_qmp(result, 'return', {}) | |
| 496 | ||
| 497 | event = self.vm.get_qmp_event(wait=True) | |
| 498 | self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') | |
| 499 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 500 | self.assert_qmp(event, 'data/operation', 'read') | |
| 501 | result = self.vm.qmp('query-block-jobs') | |
| 502 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 503 | self.complete_and_wait() | |
| 504 | self.vm.shutdown() | |
| 505 | ||
| 506 | # Detach blkdebug to compare images successfully | |
| 507 | qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img, test_img) | |
| 508 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 509 | 'target image does not match source after mirroring') | |
| 510 | ||
| 9dfa9f59 | 511 | def test_stop_read(self): |
| ecc1c88e | 512 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
513 | |
| 514 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 515 | target=target_img, on_source_error='stop') | |
| 516 | self.assert_qmp(result, 'return', {}) | |
| 517 | ||
| 518 | error = False | |
| 519 | ready = False | |
| 520 | while not ready: | |
| 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', 'read') | |
| 525 | ||
| 526 | result = self.vm.qmp('query-block-jobs') | |
| 527 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 528 | self.assert_qmp(result, 'return[0]/io-status', 'failed') | |
| 529 | ||
| 530 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 531 | self.assert_qmp(result, 'return', {}) | |
| 532 | error = True | |
| 533 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 534 | self.assertTrue(error, 'job completed unexpectedly') | |
| 535 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 536 | ready = True | |
| 537 | ||
| 538 | result = self.vm.qmp('query-block-jobs') | |
| 539 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 540 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 541 | ||
| 542 | self.complete_and_wait(wait_ready=False) | |
| ecc1c88e | 543 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
544 | self.vm.shutdown() |
| 545 | ||
| 546 | class TestWriteErrors(ImageMirroringTestCase): | |
| 547 | image_len = 2 * 1024 * 1024 # MB | |
| 548 | ||
| 549 | # this should be a multiple of twice the default granularity | |
| 550 | # so that we hit this offset first in state 1 | |
| 551 | MIRROR_GRANULARITY = 1024 * 1024 | |
| 552 | ||
| 553 | def create_blkdebug_file(self, name, event, errno): | |
| 554 | file = open(name, 'w') | |
| 555 | file.write(''' | |
| 556 | [inject-error] | |
| 557 | state = "1" | |
| 558 | event = "%s" | |
| 559 | errno = "%d" | |
| 560 | immediately = "off" | |
| 561 | once = "on" | |
| 562 | sector = "%d" | |
| 563 | ||
| 564 | [set-state] | |
| 565 | state = "1" | |
| 566 | event = "%s" | |
| 567 | new_state = "2" | |
| 568 | ||
| 569 | [set-state] | |
| 570 | state = "2" | |
| 571 | event = "%s" | |
| 572 | new_state = "1" | |
| 573 | ''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) | |
| 574 | file.close() | |
| 575 | ||
| 576 | def setUp(self): | |
| 577 | self.blkdebug_file = target_img + ".blkdebug" | |
| 578 | self.create_image(backing_img, TestWriteErrors.image_len) | |
| 579 | self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5) | |
| 580 | qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img) | |
| 581 | self.vm = iotests.VM().add_drive(test_img) | |
| 582 | self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img) | |
| 583 | qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img) | |
| 584 | self.vm.launch() | |
| 585 | ||
| 586 | def tearDown(self): | |
| 587 | self.vm.shutdown() | |
| 588 | os.remove(test_img) | |
| 589 | os.remove(backing_img) | |
| 590 | os.remove(self.blkdebug_file) | |
| 591 | ||
| 592 | def test_report_write(self): | |
| ecc1c88e | 593 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
594 | |
| 595 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 596 | mode='existing', target=self.target_img) | |
| 597 | self.assert_qmp(result, 'return', {}) | |
| 598 | ||
| 599 | completed = False | |
| 600 | error = False | |
| 601 | while not completed: | |
| 602 | for event in self.vm.get_qmp_events(wait=True): | |
| 603 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 604 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 605 | self.assert_qmp(event, 'data/operation', 'write') | |
| 606 | error = True | |
| 607 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 608 | self.assertTrue(False, 'job completed unexpectedly') | |
| 609 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 610 | self.assertTrue(error, 'job completed unexpectedly') | |
| 611 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 612 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 613 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 614 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 615 | completed = True | |
| 616 | ||
| ecc1c88e | 617 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
618 | self.vm.shutdown() |
| 619 | ||
| 620 | def test_ignore_write(self): | |
| ecc1c88e | 621 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
622 | |
| 623 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 624 | mode='existing', target=self.target_img, | |
| 625 | on_target_error='ignore') | |
| 626 | self.assert_qmp(result, 'return', {}) | |
| 627 | ||
| 628 | event = self.vm.get_qmp_event(wait=True) | |
| 629 | self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') | |
| 630 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 631 | self.assert_qmp(event, 'data/operation', 'write') | |
| 632 | result = self.vm.qmp('query-block-jobs') | |
| 633 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 634 | self.complete_and_wait() | |
| 635 | self.vm.shutdown() | |
| 636 | ||
| 637 | def test_stop_write(self): | |
| ecc1c88e | 638 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
639 | |
| 640 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 641 | mode='existing', target=self.target_img, | |
| 642 | on_target_error='stop') | |
| 643 | self.assert_qmp(result, 'return', {}) | |
| 644 | ||
| 645 | error = False | |
| 646 | ready = False | |
| 647 | while not ready: | |
| 648 | for event in self.vm.get_qmp_events(wait=True): | |
| 649 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 650 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 651 | self.assert_qmp(event, 'data/operation', 'write') | |
| 652 | ||
| 653 | result = self.vm.qmp('query-block-jobs') | |
| 654 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 655 | self.assert_qmp(result, 'return[0]/io-status', 'failed') | |
| 656 | ||
| 657 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 658 | self.assert_qmp(result, 'return', {}) | |
| 659 | ||
| 660 | result = self.vm.qmp('query-block-jobs') | |
| 661 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 662 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 663 | error = True | |
| 664 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 665 | self.assertTrue(error, 'job completed unexpectedly') | |
| 666 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 667 | ready = True | |
| 668 | ||
| 669 | self.complete_and_wait(wait_ready=False) | |
| ecc1c88e | 670 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
671 | self.vm.shutdown() |
| 672 | ||
| 44c7ca5e PB |
673 | class TestSetSpeed(ImageMirroringTestCase): |
| 674 | image_len = 80 * 1024 * 1024 # MB | |
| 675 | ||
| 676 | def setUp(self): | |
| 677 | qemu_img('create', backing_img, str(TestSetSpeed.image_len)) | |
| 678 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) | |
| 679 | self.vm = iotests.VM().add_drive(test_img) | |
| 680 | self.vm.launch() | |
| 681 | ||
| 682 | def tearDown(self): | |
| 683 | self.vm.shutdown() | |
| 684 | os.remove(test_img) | |
| 685 | os.remove(backing_img) | |
| 686 | os.remove(target_img) | |
| 687 | ||
| 688 | def test_set_speed(self): | |
| ecc1c88e | 689 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
690 | |
| 691 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 692 | target=target_img) | |
| 693 | self.assert_qmp(result, 'return', {}) | |
| 694 | ||
| 695 | # Default speed is 0 | |
| 696 | result = self.vm.qmp('query-block-jobs') | |
| 697 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 698 | self.assert_qmp(result, 'return[0]/speed', 0) | |
| 699 | ||
| 700 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) | |
| 701 | self.assert_qmp(result, 'return', {}) | |
| 702 | ||
| 703 | # Ensure the speed we set was accepted | |
| 704 | result = self.vm.qmp('query-block-jobs') | |
| 705 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 706 | self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) | |
| 707 | ||
| 708 | self.cancel_and_wait() | |
| 709 | ||
| 710 | # Check setting speed in drive-mirror works | |
| 711 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 712 | target=target_img, speed=4*1024*1024) | |
| 713 | self.assert_qmp(result, 'return', {}) | |
| 714 | ||
| 715 | result = self.vm.qmp('query-block-jobs') | |
| 716 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 717 | self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) | |
| 718 | ||
| 719 | self.cancel_and_wait() | |
| 720 | ||
| 721 | def test_set_speed_invalid(self): | |
| ecc1c88e | 722 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
723 | |
| 724 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 725 | target=target_img, speed=-1) | |
| 726 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 727 | ||
| ecc1c88e | 728 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
729 | |
| 730 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 731 | target=target_img) | |
| 732 | self.assert_qmp(result, 'return', {}) | |
| 733 | ||
| 734 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) | |
| 735 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 736 | ||
| 737 | self.cancel_and_wait() | |
| 738 | ||
| 739 | if __name__ == '__main__': | |
| 740 | iotests.main(supported_fmts=['qcow2', 'qed']) |