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 | |
| 44c7ca5e PB |
25 | |
| 26 | backing_img = os.path.join(iotests.test_dir, 'backing.img') | |
| 27 | target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img') | |
| 28 | test_img = os.path.join(iotests.test_dir, 'test.img') | |
| 29 | target_img = os.path.join(iotests.test_dir, 'target.img') | |
| 30 | ||
| 31 | class ImageMirroringTestCase(iotests.QMPTestCase): | |
| 32 | '''Abstract base class for image mirroring test cases''' | |
| 33 | ||
| 2575fe16 SH |
34 | def wait_ready(self, drive='drive0'): |
| 35 | '''Wait until a block job BLOCK_JOB_READY event''' | |
| 36 | ready = False | |
| 37 | while not ready: | |
| 44c7ca5e | 38 | for event in self.vm.get_qmp_events(wait=True): |
| 2575fe16 | 39 | if event['event'] == 'BLOCK_JOB_READY': |
| 44c7ca5e PB |
40 | self.assert_qmp(event, 'data/type', 'mirror') |
| 41 | self.assert_qmp(event, 'data/device', drive) | |
| 2575fe16 | 42 | ready = True |
| 44c7ca5e | 43 | |
| 2575fe16 SH |
44 | def wait_ready_and_cancel(self, drive='drive0'): |
| 45 | self.wait_ready(drive) | |
| 46 | event = self.cancel_and_wait() | |
| 47 | self.assertEquals(event['event'], 'BLOCK_JOB_COMPLETED') | |
| 48 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 49 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 50 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 44c7ca5e PB |
51 | |
| 52 | def complete_and_wait(self, drive='drive0', wait_ready=True): | |
| 53 | '''Complete a block job and wait for it to finish''' | |
| 54 | if wait_ready: | |
| 2575fe16 | 55 | self.wait_ready() |
| 44c7ca5e PB |
56 | |
| 57 | result = self.vm.qmp('block-job-complete', device=drive) | |
| 58 | self.assert_qmp(result, 'return', {}) | |
| 59 | ||
| 0dbe8a1b SH |
60 | event = self.wait_until_completed() |
| 61 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 44c7ca5e | 62 | |
| 44c7ca5e PB |
63 | class TestSingleDrive(ImageMirroringTestCase): |
| 64 | image_len = 1 * 1024 * 1024 # MB | |
| 65 | ||
| 66 | def setUp(self): | |
| 2499a096 | 67 | iotests.create_image(backing_img, TestSingleDrive.image_len) |
| 44c7ca5e PB |
68 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 69 | self.vm = iotests.VM().add_drive(test_img) | |
| 70 | self.vm.launch() | |
| 71 | ||
| 72 | def tearDown(self): | |
| 73 | self.vm.shutdown() | |
| 74 | os.remove(test_img) | |
| 75 | os.remove(backing_img) | |
| 76 | try: | |
| 77 | os.remove(target_img) | |
| 78 | except OSError: | |
| 79 | pass | |
| 80 | ||
| 81 | def test_complete(self): | |
| ecc1c88e | 82 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
83 | |
| 84 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 85 | target=target_img) | |
| 86 | self.assert_qmp(result, 'return', {}) | |
| 87 | ||
| 88 | self.complete_and_wait() | |
| 89 | result = self.vm.qmp('query-block') | |
| 90 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 91 | self.vm.shutdown() | |
| 3a3918c3 | 92 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| 44c7ca5e PB |
93 | 'target image does not match source after mirroring') |
| 94 | ||
| 95 | def test_cancel(self): | |
| ecc1c88e | 96 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
97 | |
| 98 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 99 | target=target_img) | |
| 100 | self.assert_qmp(result, 'return', {}) | |
| 101 | ||
| 2575fe16 | 102 | self.cancel_and_wait(force=True) |
| 44c7ca5e PB |
103 | result = self.vm.qmp('query-block') |
| 104 | self.assert_qmp(result, 'return[0]/inserted/file', test_img) | |
| 105 | self.vm.shutdown() | |
| 106 | ||
| 107 | def test_cancel_after_ready(self): | |
| ecc1c88e | 108 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
109 | |
| 110 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 111 | target=target_img) | |
| 112 | self.assert_qmp(result, 'return', {}) | |
| 113 | ||
| 2575fe16 | 114 | self.wait_ready_and_cancel() |
| 44c7ca5e PB |
115 | result = self.vm.qmp('query-block') |
| 116 | self.assert_qmp(result, 'return[0]/inserted/file', test_img) | |
| 117 | self.vm.shutdown() | |
| 3a3918c3 | 118 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| 44c7ca5e PB |
119 | 'target image does not match source after mirroring') |
| 120 | ||
| 121 | def test_pause(self): | |
| ecc1c88e | 122 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
123 | |
| 124 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 125 | target=target_img) | |
| 126 | self.assert_qmp(result, 'return', {}) | |
| 127 | ||
| 128 | result = self.vm.qmp('block-job-pause', device='drive0') | |
| 129 | self.assert_qmp(result, 'return', {}) | |
| 130 | ||
| 131 | time.sleep(1) | |
| 132 | result = self.vm.qmp('query-block-jobs') | |
| 133 | offset = self.dictpath(result, 'return[0]/offset') | |
| 134 | ||
| 135 | time.sleep(1) | |
| 136 | result = self.vm.qmp('query-block-jobs') | |
| 137 | self.assert_qmp(result, 'return[0]/offset', offset) | |
| 138 | ||
| 139 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 140 | self.assert_qmp(result, 'return', {}) | |
| 141 | ||
| 142 | self.complete_and_wait() | |
| 143 | self.vm.shutdown() | |
| 3a3918c3 | 144 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| 08e4ed6c PB |
145 | 'target image does not match source after mirroring') |
| 146 | ||
| 147 | def test_small_buffer(self): | |
| ecc1c88e | 148 | self.assert_no_active_block_jobs() |
| 08e4ed6c PB |
149 | |
| 150 | # A small buffer is rounded up automatically | |
| 151 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 152 | buf_size=4096, target=target_img) | |
| 153 | self.assert_qmp(result, 'return', {}) | |
| 154 | ||
| 155 | self.complete_and_wait() | |
| 156 | result = self.vm.qmp('query-block') | |
| 157 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 158 | self.vm.shutdown() | |
| 3a3918c3 | 159 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| 08e4ed6c PB |
160 | 'target image does not match source after mirroring') |
| 161 | ||
| 162 | def test_small_buffer2(self): | |
| ecc1c88e | 163 | self.assert_no_active_block_jobs() |
| 08e4ed6c PB |
164 | |
| 165 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' | |
| 166 | % (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img) | |
| 167 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 168 | buf_size=65536, mode='existing', target=target_img) | |
| 169 | self.assert_qmp(result, 'return', {}) | |
| 170 | ||
| 171 | self.complete_and_wait() | |
| 172 | result = self.vm.qmp('query-block') | |
| 173 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 174 | self.vm.shutdown() | |
| 3a3918c3 | 175 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| 44c7ca5e PB |
176 | 'target image does not match source after mirroring') |
| 177 | ||
| 178 | def test_large_cluster(self): | |
| ecc1c88e | 179 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
180 | |
| 181 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' | |
| 182 | % (TestSingleDrive.image_len, backing_img), target_img) | |
| 183 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 184 | mode='existing', target=target_img) | |
| 185 | self.assert_qmp(result, 'return', {}) | |
| 186 | ||
| 187 | self.complete_and_wait() | |
| 188 | result = self.vm.qmp('query-block') | |
| 189 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 190 | self.vm.shutdown() | |
| 3a3918c3 | 191 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| 44c7ca5e PB |
192 | 'target image does not match source after mirroring') |
| 193 | ||
| 194 | def test_medium_not_found(self): | |
| 195 | result = self.vm.qmp('drive-mirror', device='ide1-cd0', sync='full', | |
| 196 | target=target_img) | |
| 197 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 198 | ||
| 199 | def test_image_not_found(self): | |
| 200 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 201 | mode='existing', target=target_img) | |
| 202 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 203 | ||
| 204 | def test_device_not_found(self): | |
| 205 | result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full', | |
| 206 | target=target_img) | |
| 207 | self.assert_qmp(result, 'error/class', 'DeviceNotFound') | |
| 208 | ||
| 209 | class TestMirrorNoBacking(ImageMirroringTestCase): | |
| 210 | image_len = 2 * 1024 * 1024 # MB | |
| 211 | ||
| 212 | def complete_and_wait(self, drive='drive0', wait_ready=True): | |
| 2499a096 | 213 | iotests.create_image(target_backing_img, TestMirrorNoBacking.image_len) |
| 44c7ca5e PB |
214 | return ImageMirroringTestCase.complete_and_wait(self, drive, wait_ready) |
| 215 | ||
| 216 | def compare_images(self, img1, img2): | |
| 2499a096 | 217 | iotests.create_image(target_backing_img, TestMirrorNoBacking.image_len) |
| 3a3918c3 | 218 | return iotests.compare_images(img1, img2) |
| 44c7ca5e PB |
219 | |
| 220 | def setUp(self): | |
| 2499a096 | 221 | iotests.create_image(backing_img, TestMirrorNoBacking.image_len) |
| 44c7ca5e PB |
222 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 223 | self.vm = iotests.VM().add_drive(test_img) | |
| 224 | self.vm.launch() | |
| 225 | ||
| 226 | def tearDown(self): | |
| 227 | self.vm.shutdown() | |
| 228 | os.remove(test_img) | |
| 229 | os.remove(backing_img) | |
| 230 | os.remove(target_backing_img) | |
| 231 | os.remove(target_img) | |
| 232 | ||
| 233 | def test_complete(self): | |
| ecc1c88e | 234 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
235 | |
| 236 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) | |
| 237 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 238 | mode='existing', target=target_img) | |
| 239 | self.assert_qmp(result, 'return', {}) | |
| 240 | ||
| 241 | self.complete_and_wait() | |
| 242 | result = self.vm.qmp('query-block') | |
| 243 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 244 | self.vm.shutdown() | |
| 245 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 246 | 'target image does not match source after mirroring') | |
| 247 | ||
| 248 | def test_cancel(self): | |
| ecc1c88e | 249 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
250 | |
| 251 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) | |
| 252 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 253 | mode='existing', target=target_img) | |
| 254 | self.assert_qmp(result, 'return', {}) | |
| 255 | ||
| 2575fe16 | 256 | self.wait_ready_and_cancel() |
| 44c7ca5e PB |
257 | result = self.vm.qmp('query-block') |
| 258 | self.assert_qmp(result, 'return[0]/inserted/file', test_img) | |
| 259 | self.vm.shutdown() | |
| 260 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 261 | 'target image does not match source after mirroring') | |
| 262 | ||
| b812f671 | 263 | def test_large_cluster(self): |
| ecc1c88e | 264 | self.assert_no_active_block_jobs() |
| b812f671 PB |
265 | |
| 266 | # qemu-img create fails if the image is not there | |
| 267 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d' | |
| 268 | %(TestMirrorNoBacking.image_len), target_backing_img) | |
| 269 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' | |
| 270 | % (TestMirrorNoBacking.image_len, target_backing_img), target_img) | |
| 271 | os.remove(target_backing_img) | |
| 272 | ||
| 273 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 274 | mode='existing', target=target_img) | |
| 275 | self.assert_qmp(result, 'return', {}) | |
| 276 | ||
| 277 | self.complete_and_wait() | |
| 278 | result = self.vm.qmp('query-block') | |
| 279 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 280 | self.vm.shutdown() | |
| 281 | self.assertTrue(self.compare_images(test_img, target_img), | |
| 282 | 'target image does not match source after mirroring') | |
| 283 | ||
| a04eca10 VI |
284 | class TestMirrorResized(ImageMirroringTestCase): |
| 285 | backing_len = 1 * 1024 * 1024 # MB | |
| 286 | image_len = 2 * 1024 * 1024 # MB | |
| 287 | ||
| 288 | def setUp(self): | |
| 2499a096 | 289 | iotests.create_image(backing_img, TestMirrorResized.backing_len) |
| a04eca10 VI |
290 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 291 | qemu_img('resize', test_img, '2M') | |
| 292 | self.vm = iotests.VM().add_drive(test_img) | |
| 293 | self.vm.launch() | |
| 294 | ||
| 295 | def tearDown(self): | |
| 296 | self.vm.shutdown() | |
| 297 | os.remove(test_img) | |
| 298 | os.remove(backing_img) | |
| 299 | try: | |
| 300 | os.remove(target_img) | |
| 301 | except OSError: | |
| 302 | pass | |
| 303 | ||
| 304 | def test_complete_top(self): | |
| ecc1c88e | 305 | self.assert_no_active_block_jobs() |
| a04eca10 VI |
306 | |
| 307 | result = self.vm.qmp('drive-mirror', device='drive0', sync='top', | |
| 308 | target=target_img) | |
| 309 | self.assert_qmp(result, 'return', {}) | |
| 310 | ||
| 311 | self.complete_and_wait() | |
| 312 | result = self.vm.qmp('query-block') | |
| 313 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 314 | self.vm.shutdown() | |
| 3a3918c3 | 315 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| a04eca10 VI |
316 | 'target image does not match source after mirroring') |
| 317 | ||
| 318 | def test_complete_full(self): | |
| ecc1c88e | 319 | self.assert_no_active_block_jobs() |
| a04eca10 VI |
320 | |
| 321 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 322 | target=target_img) | |
| 323 | self.assert_qmp(result, 'return', {}) | |
| 324 | ||
| 325 | self.complete_and_wait() | |
| 326 | result = self.vm.qmp('query-block') | |
| 327 | self.assert_qmp(result, 'return[0]/inserted/file', target_img) | |
| 328 | self.vm.shutdown() | |
| 3a3918c3 | 329 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| a04eca10 VI |
330 | 'target image does not match source after mirroring') |
| 331 | ||
| 9dfa9f59 PB |
332 | class TestReadErrors(ImageMirroringTestCase): |
| 333 | image_len = 2 * 1024 * 1024 # MB | |
| 334 | ||
| 335 | # this should be a multiple of twice the default granularity | |
| 336 | # so that we hit this offset first in state 1 | |
| 337 | MIRROR_GRANULARITY = 1024 * 1024 | |
| 338 | ||
| 339 | def create_blkdebug_file(self, name, event, errno): | |
| 340 | file = open(name, 'w') | |
| 341 | file.write(''' | |
| 342 | [inject-error] | |
| 343 | state = "1" | |
| 344 | event = "%s" | |
| 345 | errno = "%d" | |
| 346 | immediately = "off" | |
| 347 | once = "on" | |
| 348 | sector = "%d" | |
| 349 | ||
| 350 | [set-state] | |
| 351 | state = "1" | |
| 352 | event = "%s" | |
| 353 | new_state = "2" | |
| 354 | ||
| 355 | [set-state] | |
| 356 | state = "2" | |
| 357 | event = "%s" | |
| 358 | new_state = "1" | |
| 359 | ''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) | |
| 360 | file.close() | |
| 361 | ||
| 362 | def setUp(self): | |
| 363 | self.blkdebug_file = backing_img + ".blkdebug" | |
| 2499a096 | 364 | iotests.create_image(backing_img, TestReadErrors.image_len) |
| 9dfa9f59 PB |
365 | self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) |
| 366 | qemu_img('create', '-f', iotests.imgfmt, | |
| 367 | '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' | |
| 368 | % (self.blkdebug_file, backing_img), | |
| 369 | test_img) | |
| b812f671 PB |
370 | # Write something for tests that use sync='top' |
| 371 | qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536), | |
| 372 | test_img) | |
| 9dfa9f59 PB |
373 | self.vm = iotests.VM().add_drive(test_img) |
| 374 | self.vm.launch() | |
| 375 | ||
| 376 | def tearDown(self): | |
| 377 | self.vm.shutdown() | |
| 378 | os.remove(test_img) | |
| 379 | os.remove(backing_img) | |
| 380 | os.remove(self.blkdebug_file) | |
| 381 | ||
| 382 | def test_report_read(self): | |
| ecc1c88e | 383 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
384 | |
| 385 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 386 | target=target_img) | |
| 387 | self.assert_qmp(result, 'return', {}) | |
| 388 | ||
| 389 | completed = False | |
| 390 | error = False | |
| 391 | while not completed: | |
| 392 | for event in self.vm.get_qmp_events(wait=True): | |
| 393 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 394 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 395 | self.assert_qmp(event, 'data/operation', 'read') | |
| 396 | error = True | |
| 397 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 398 | self.assertTrue(False, 'job completed unexpectedly') | |
| 399 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 400 | self.assertTrue(error, 'job completed unexpectedly') | |
| 401 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 402 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 403 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 404 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 405 | completed = True | |
| 406 | ||
| ecc1c88e | 407 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
408 | self.vm.shutdown() |
| 409 | ||
| 410 | def test_ignore_read(self): | |
| ecc1c88e | 411 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
412 | |
| 413 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 414 | target=target_img, on_source_error='ignore') | |
| 415 | self.assert_qmp(result, 'return', {}) | |
| 416 | ||
| 417 | event = self.vm.get_qmp_event(wait=True) | |
| 418 | self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') | |
| 419 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 420 | self.assert_qmp(event, 'data/operation', 'read') | |
| 421 | result = self.vm.qmp('query-block-jobs') | |
| 422 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 423 | self.complete_and_wait() | |
| 424 | self.vm.shutdown() | |
| 425 | ||
| b812f671 | 426 | def test_large_cluster(self): |
| ecc1c88e | 427 | self.assert_no_active_block_jobs() |
| b812f671 PB |
428 | |
| 429 | # Test COW into the target image. The first half of the | |
| 430 | # cluster at MIRROR_GRANULARITY has to be copied from | |
| 431 | # backing_img, even though sync='top'. | |
| 432 | qemu_img('create', '-f', iotests.imgfmt, '-ocluster_size=131072,backing_file=%s' %(backing_img), target_img) | |
| 433 | result = self.vm.qmp('drive-mirror', device='drive0', sync='top', | |
| 434 | on_source_error='ignore', | |
| 435 | mode='existing', target=target_img) | |
| 436 | self.assert_qmp(result, 'return', {}) | |
| 437 | ||
| 438 | event = self.vm.get_qmp_event(wait=True) | |
| 439 | self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') | |
| 440 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 441 | self.assert_qmp(event, 'data/operation', 'read') | |
| 442 | result = self.vm.qmp('query-block-jobs') | |
| 443 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 444 | self.complete_and_wait() | |
| 445 | self.vm.shutdown() | |
| 446 | ||
| 447 | # Detach blkdebug to compare images successfully | |
| 448 | qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img, test_img) | |
| 3a3918c3 | 449 | self.assertTrue(iotests.compare_images(test_img, target_img), |
| b812f671 PB |
450 | 'target image does not match source after mirroring') |
| 451 | ||
| 9dfa9f59 | 452 | def test_stop_read(self): |
| ecc1c88e | 453 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
454 | |
| 455 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 456 | target=target_img, on_source_error='stop') | |
| 457 | self.assert_qmp(result, 'return', {}) | |
| 458 | ||
| 459 | error = False | |
| 460 | ready = False | |
| 461 | while not ready: | |
| 462 | for event in self.vm.get_qmp_events(wait=True): | |
| 463 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 464 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 465 | self.assert_qmp(event, 'data/operation', 'read') | |
| 466 | ||
| 467 | result = self.vm.qmp('query-block-jobs') | |
| 468 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 469 | self.assert_qmp(result, 'return[0]/io-status', 'failed') | |
| 470 | ||
| 471 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 472 | self.assert_qmp(result, 'return', {}) | |
| 473 | error = True | |
| 474 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 475 | self.assertTrue(error, 'job completed unexpectedly') | |
| 476 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 477 | ready = True | |
| 478 | ||
| 479 | result = self.vm.qmp('query-block-jobs') | |
| 480 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 481 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 482 | ||
| 483 | self.complete_and_wait(wait_ready=False) | |
| ecc1c88e | 484 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
485 | self.vm.shutdown() |
| 486 | ||
| 487 | class TestWriteErrors(ImageMirroringTestCase): | |
| 488 | image_len = 2 * 1024 * 1024 # MB | |
| 489 | ||
| 490 | # this should be a multiple of twice the default granularity | |
| 491 | # so that we hit this offset first in state 1 | |
| 492 | MIRROR_GRANULARITY = 1024 * 1024 | |
| 493 | ||
| 494 | def create_blkdebug_file(self, name, event, errno): | |
| 495 | file = open(name, 'w') | |
| 496 | file.write(''' | |
| 497 | [inject-error] | |
| 498 | state = "1" | |
| 499 | event = "%s" | |
| 500 | errno = "%d" | |
| 501 | immediately = "off" | |
| 502 | once = "on" | |
| 503 | sector = "%d" | |
| 504 | ||
| 505 | [set-state] | |
| 506 | state = "1" | |
| 507 | event = "%s" | |
| 508 | new_state = "2" | |
| 509 | ||
| 510 | [set-state] | |
| 511 | state = "2" | |
| 512 | event = "%s" | |
| 513 | new_state = "1" | |
| 514 | ''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) | |
| 515 | file.close() | |
| 516 | ||
| 517 | def setUp(self): | |
| 518 | self.blkdebug_file = target_img + ".blkdebug" | |
| 2499a096 | 519 | iotests.create_image(backing_img, TestWriteErrors.image_len) |
| 9dfa9f59 PB |
520 | self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5) |
| 521 | qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img) | |
| 522 | self.vm = iotests.VM().add_drive(test_img) | |
| 523 | self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img) | |
| 524 | qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img) | |
| 525 | self.vm.launch() | |
| 526 | ||
| 527 | def tearDown(self): | |
| 528 | self.vm.shutdown() | |
| 529 | os.remove(test_img) | |
| 530 | os.remove(backing_img) | |
| 531 | os.remove(self.blkdebug_file) | |
| 532 | ||
| 533 | def test_report_write(self): | |
| ecc1c88e | 534 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
535 | |
| 536 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 537 | mode='existing', target=self.target_img) | |
| 538 | self.assert_qmp(result, 'return', {}) | |
| 539 | ||
| 540 | completed = False | |
| 541 | error = False | |
| 542 | while not completed: | |
| 543 | for event in self.vm.get_qmp_events(wait=True): | |
| 544 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 545 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 546 | self.assert_qmp(event, 'data/operation', 'write') | |
| 547 | error = True | |
| 548 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 549 | self.assertTrue(False, 'job completed unexpectedly') | |
| 550 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 551 | self.assertTrue(error, 'job completed unexpectedly') | |
| 552 | self.assert_qmp(event, 'data/type', 'mirror') | |
| 553 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 554 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 555 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 556 | completed = True | |
| 557 | ||
| ecc1c88e | 558 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
559 | self.vm.shutdown() |
| 560 | ||
| 561 | def test_ignore_write(self): | |
| ecc1c88e | 562 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
563 | |
| 564 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 565 | mode='existing', target=self.target_img, | |
| 566 | on_target_error='ignore') | |
| 567 | self.assert_qmp(result, 'return', {}) | |
| 568 | ||
| 569 | event = self.vm.get_qmp_event(wait=True) | |
| 570 | self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') | |
| 571 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 572 | self.assert_qmp(event, 'data/operation', 'write') | |
| 573 | result = self.vm.qmp('query-block-jobs') | |
| 574 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 575 | self.complete_and_wait() | |
| 576 | self.vm.shutdown() | |
| 577 | ||
| 578 | def test_stop_write(self): | |
| ecc1c88e | 579 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
580 | |
| 581 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 582 | mode='existing', target=self.target_img, | |
| 583 | on_target_error='stop') | |
| 584 | self.assert_qmp(result, 'return', {}) | |
| 585 | ||
| 586 | error = False | |
| 587 | ready = False | |
| 588 | while not ready: | |
| 589 | for event in self.vm.get_qmp_events(wait=True): | |
| 590 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 591 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 592 | self.assert_qmp(event, 'data/operation', 'write') | |
| 593 | ||
| 594 | result = self.vm.qmp('query-block-jobs') | |
| 595 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 596 | self.assert_qmp(result, 'return[0]/io-status', 'failed') | |
| 597 | ||
| 598 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 599 | self.assert_qmp(result, 'return', {}) | |
| 600 | ||
| 601 | result = self.vm.qmp('query-block-jobs') | |
| 602 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 603 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 604 | error = True | |
| 605 | elif event['event'] == 'BLOCK_JOB_READY': | |
| 606 | self.assertTrue(error, 'job completed unexpectedly') | |
| 607 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 608 | ready = True | |
| 609 | ||
| 610 | self.complete_and_wait(wait_ready=False) | |
| ecc1c88e | 611 | self.assert_no_active_block_jobs() |
| 9dfa9f59 PB |
612 | self.vm.shutdown() |
| 613 | ||
| 44c7ca5e PB |
614 | class TestSetSpeed(ImageMirroringTestCase): |
| 615 | image_len = 80 * 1024 * 1024 # MB | |
| 616 | ||
| 617 | def setUp(self): | |
| 618 | qemu_img('create', backing_img, str(TestSetSpeed.image_len)) | |
| 619 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) | |
| 620 | self.vm = iotests.VM().add_drive(test_img) | |
| 621 | self.vm.launch() | |
| 622 | ||
| 623 | def tearDown(self): | |
| 624 | self.vm.shutdown() | |
| 625 | os.remove(test_img) | |
| 626 | os.remove(backing_img) | |
| 627 | os.remove(target_img) | |
| 628 | ||
| 629 | def test_set_speed(self): | |
| ecc1c88e | 630 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
631 | |
| 632 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 633 | target=target_img) | |
| 634 | self.assert_qmp(result, 'return', {}) | |
| 635 | ||
| 636 | # Default speed is 0 | |
| 637 | result = self.vm.qmp('query-block-jobs') | |
| 638 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 639 | self.assert_qmp(result, 'return[0]/speed', 0) | |
| 640 | ||
| 641 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) | |
| 642 | self.assert_qmp(result, 'return', {}) | |
| 643 | ||
| 644 | # Ensure the speed we set was accepted | |
| 645 | result = self.vm.qmp('query-block-jobs') | |
| 646 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 647 | self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) | |
| 648 | ||
| 2575fe16 | 649 | self.wait_ready_and_cancel() |
| 44c7ca5e PB |
650 | |
| 651 | # Check setting speed in drive-mirror works | |
| 652 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 653 | target=target_img, speed=4*1024*1024) | |
| 654 | self.assert_qmp(result, 'return', {}) | |
| 655 | ||
| 656 | result = self.vm.qmp('query-block-jobs') | |
| 657 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 658 | self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) | |
| 659 | ||
| 2575fe16 | 660 | self.wait_ready_and_cancel() |
| 44c7ca5e PB |
661 | |
| 662 | def test_set_speed_invalid(self): | |
| ecc1c88e | 663 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
664 | |
| 665 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 666 | target=target_img, speed=-1) | |
| 667 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 668 | ||
| ecc1c88e | 669 | self.assert_no_active_block_jobs() |
| 44c7ca5e PB |
670 | |
| 671 | result = self.vm.qmp('drive-mirror', device='drive0', sync='full', | |
| 672 | target=target_img) | |
| 673 | self.assert_qmp(result, 'return', {}) | |
| 674 | ||
| 675 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) | |
| 676 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 677 | ||
| 2575fe16 | 678 | self.wait_ready_and_cancel() |
| 44c7ca5e PB |
679 | |
| 680 | if __name__ == '__main__': | |
| 681 | iotests.main(supported_fmts=['qcow2', 'qed']) |