projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 37ce63eb SH |
1 | #!/usr/bin/env python |
| 2 | # | |
| 3 | # Tests for image streaming. | |
| 4 | # | |
| 5 | # Copyright (C) 2012 IBM Corp. | |
| 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 | ||
| 0c817347 | 21 | import time |
| 37ce63eb SH |
22 | import os |
| 23 | import iotests | |
| 24 | from iotests import qemu_img, qemu_io | |
| 25 | ||
| 26 | backing_img = os.path.join(iotests.test_dir, 'backing.img') | |
| 6e343609 | 27 | mid_img = os.path.join(iotests.test_dir, 'mid.img') |
| 37ce63eb SH |
28 | test_img = os.path.join(iotests.test_dir, 'test.img') |
| 29 | ||
| 2499a096 | 30 | class TestSingleDrive(iotests.QMPTestCase): |
| 37ce63eb SH |
31 | image_len = 1 * 1024 * 1024 # MB |
| 32 | ||
| 33 | def setUp(self): | |
| 2499a096 | 34 | iotests.create_image(backing_img, TestSingleDrive.image_len) |
| 6e343609 PB |
35 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) |
| 36 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) | |
| 90c9b167 | 37 | qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img) |
| 5e302a7d | 38 | qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 524288 512', mid_img) |
| 7b8a9e5a | 39 | self.vm = iotests.VM().add_drive("blkdebug::" + test_img, "backing.node-name=mid") |
| 37ce63eb SH |
40 | self.vm.launch() |
| 41 | ||
| 42 | def tearDown(self): | |
| 43 | self.vm.shutdown() | |
| 44 | os.remove(test_img) | |
| 6e343609 | 45 | os.remove(mid_img) |
| 37ce63eb SH |
46 | os.remove(backing_img) |
| 47 | ||
| 48 | def test_stream(self): | |
| ecc1c88e | 49 | self.assert_no_active_block_jobs() |
| 37ce63eb | 50 | |
| db58f9c0 | 51 | result = self.vm.qmp('block-stream', device='drive0') |
| 37ce63eb SH |
52 | self.assert_qmp(result, 'return', {}) |
| 53 | ||
| 9974ad40 | 54 | self.wait_until_completed() |
| 37ce63eb | 55 | |
| ecc1c88e | 56 | self.assert_no_active_block_jobs() |
| 863a5d04 | 57 | self.vm.shutdown() |
| 37ce63eb | 58 | |
| 90c9b167 KW |
59 | self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), |
| 60 | qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| efcc7a23 | 61 | 'image file map does not match backing file after streaming') |
| 37ce63eb | 62 | |
| 7b8a9e5a AG |
63 | def test_stream_intermediate(self): |
| 64 | self.assert_no_active_block_jobs() | |
| 65 | ||
| 66 | self.assertNotEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), | |
| 67 | qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), | |
| 68 | 'image file map matches backing file before streaming') | |
| 69 | ||
| 70 | result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid') | |
| 71 | self.assert_qmp(result, 'return', {}) | |
| 72 | ||
| 73 | self.wait_until_completed(drive='stream-mid') | |
| 74 | ||
| 75 | self.assert_no_active_block_jobs() | |
| 76 | self.vm.shutdown() | |
| 77 | ||
| 78 | self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), | |
| 79 | qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), | |
| 80 | 'image file map does not match backing file after streaming') | |
| 81 | ||
| 0c817347 | 82 | def test_stream_pause(self): |
| ecc1c88e | 83 | self.assert_no_active_block_jobs() |
| 0c817347 | 84 | |
| b59b3d57 | 85 | self.vm.pause_drive('drive0') |
| 0c817347 PB |
86 | result = self.vm.qmp('block-stream', device='drive0') |
| 87 | self.assert_qmp(result, 'return', {}) | |
| 88 | ||
| 89 | result = self.vm.qmp('block-job-pause', device='drive0') | |
| 90 | self.assert_qmp(result, 'return', {}) | |
| 91 | ||
| 92 | time.sleep(1) | |
| 93 | result = self.vm.qmp('query-block-jobs') | |
| 94 | offset = self.dictpath(result, 'return[0]/offset') | |
| 95 | ||
| 96 | time.sleep(1) | |
| 97 | result = self.vm.qmp('query-block-jobs') | |
| 98 | self.assert_qmp(result, 'return[0]/offset', offset) | |
| 99 | ||
| 100 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 101 | self.assert_qmp(result, 'return', {}) | |
| 102 | ||
| b59b3d57 | 103 | self.vm.resume_drive('drive0') |
| 9974ad40 | 104 | self.wait_until_completed() |
| 0c817347 | 105 | |
| ecc1c88e | 106 | self.assert_no_active_block_jobs() |
| 0c817347 PB |
107 | self.vm.shutdown() |
| 108 | ||
| 90c9b167 KW |
109 | self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), |
| 110 | qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| 0c817347 PB |
111 | 'image file map does not match backing file after streaming') |
| 112 | ||
| 409d5498 AG |
113 | def test_stream_no_op(self): |
| 114 | self.assert_no_active_block_jobs() | |
| 115 | ||
| 116 | # The image map is empty before the operation | |
| 117 | empty_map = qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img) | |
| 118 | ||
| 119 | # This is a no-op: no data should ever be copied from the base image | |
| 120 | result = self.vm.qmp('block-stream', device='drive0', base=mid_img) | |
| 121 | self.assert_qmp(result, 'return', {}) | |
| 122 | ||
| 123 | self.wait_until_completed() | |
| 124 | ||
| 125 | self.assert_no_active_block_jobs() | |
| 126 | self.vm.shutdown() | |
| 127 | ||
| 128 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| 129 | empty_map, 'image file map changed after a no-op') | |
| 130 | ||
| 6e343609 | 131 | def test_stream_partial(self): |
| ecc1c88e | 132 | self.assert_no_active_block_jobs() |
| 6e343609 | 133 | |
| 5e302a7d | 134 | result = self.vm.qmp('block-stream', device='drive0', base=backing_img) |
| 6e343609 PB |
135 | self.assert_qmp(result, 'return', {}) |
| 136 | ||
| 9974ad40 | 137 | self.wait_until_completed() |
| 6e343609 | 138 | |
| ecc1c88e | 139 | self.assert_no_active_block_jobs() |
| 6e343609 PB |
140 | self.vm.shutdown() |
| 141 | ||
| 90c9b167 KW |
142 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), |
| 143 | qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| 6e343609 PB |
144 | 'image file map does not match backing file after streaming') |
| 145 | ||
| 37ce63eb | 146 | def test_device_not_found(self): |
| db58f9c0 | 147 | result = self.vm.qmp('block-stream', device='nonexistent') |
| b6c1bae5 | 148 | self.assert_qmp(result, 'error/class', 'GenericError') |
| 37ce63eb | 149 | |
| 774a8850 | 150 | |
| c1a34322 AG |
151 | class TestParallelOps(iotests.QMPTestCase): |
| 152 | num_ops = 4 # Number of parallel block-stream operations | |
| 153 | num_imgs = num_ops * 2 + 1 | |
| 154 | image_len = num_ops * 1024 * 1024 | |
| 155 | imgs = [] | |
| 156 | ||
| 157 | def setUp(self): | |
| 158 | opts = [] | |
| 159 | self.imgs = [] | |
| 160 | ||
| 161 | # Initialize file names and command-line options | |
| 162 | for i in range(self.num_imgs): | |
| 163 | img_depth = self.num_imgs - i - 1 | |
| 164 | opts.append("backing." * img_depth + "node-name=node%d" % i) | |
| 165 | self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) | |
| 166 | ||
| 167 | # Create all images | |
| 168 | iotests.create_image(self.imgs[0], self.image_len) | |
| 169 | for i in range(1, self.num_imgs): | |
| 170 | qemu_img('create', '-f', iotests.imgfmt, | |
| 171 | '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) | |
| 172 | ||
| 173 | # Put data into the images we are copying data from | |
| 174 | for i in range(self.num_imgs / 2): | |
| 175 | img_index = i * 2 + 1 | |
| 176 | # Alternate between 512k and 1M. | |
| 177 | # This way jobs will not finish in the same order they were created | |
| 178 | num_kb = 512 + 512 * (i % 2) | |
| 179 | qemu_io('-f', iotests.imgfmt, | |
| 180 | '-c', 'write -P %d %d %d' % (i, i*1024*1024, num_kb * 1024), | |
| 181 | self.imgs[img_index]) | |
| 182 | ||
| 183 | # Attach the drive to the VM | |
| 184 | self.vm = iotests.VM() | |
| 185 | self.vm.add_drive(self.imgs[-1], ','.join(opts)) | |
| 186 | self.vm.launch() | |
| 187 | ||
| 188 | def tearDown(self): | |
| 189 | self.vm.shutdown() | |
| 190 | for img in self.imgs: | |
| 191 | os.remove(img) | |
| 192 | ||
| 193 | # Test that it's possible to run several block-stream operations | |
| 194 | # in parallel in the same snapshot chain | |
| 195 | def test_stream_parallel(self): | |
| 196 | self.assert_no_active_block_jobs() | |
| 197 | ||
| 198 | # Check that the maps don't match before the streaming operations | |
| 199 | for i in range(2, self.num_imgs, 2): | |
| 200 | self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), | |
| 201 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), | |
| 202 | 'image file map matches backing file before streaming') | |
| 203 | ||
| 204 | # Create all streaming jobs | |
| 205 | pending_jobs = [] | |
| 206 | for i in range(2, self.num_imgs, 2): | |
| 207 | node_name = 'node%d' % i | |
| 208 | job_id = 'stream-%s' % node_name | |
| 209 | pending_jobs.append(job_id) | |
| 210 | result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024) | |
| 211 | self.assert_qmp(result, 'return', {}) | |
| 212 | ||
| 213 | # Wait for all jobs to be finished. | |
| 214 | while len(pending_jobs) > 0: | |
| 215 | for event in self.vm.get_qmp_events(wait=True): | |
| 216 | if event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 217 | job_id = self.dictpath(event, 'data/device') | |
| 218 | self.assertTrue(job_id in pending_jobs) | |
| 219 | self.assert_qmp_absent(event, 'data/error') | |
| 220 | pending_jobs.remove(job_id) | |
| 221 | ||
| 222 | self.assert_no_active_block_jobs() | |
| 223 | self.vm.shutdown() | |
| 224 | ||
| 225 | # Check that all maps match now | |
| 226 | for i in range(2, self.num_imgs, 2): | |
| 227 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), | |
| 228 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), | |
| 229 | 'image file map does not match backing file after streaming') | |
| 230 | ||
| eb290b78 AG |
231 | # Test that it's not possible to perform two block-stream |
| 232 | # operations if there are nodes involved in both. | |
| 233 | def test_overlapping_1(self): | |
| 234 | self.assert_no_active_block_jobs() | |
| 235 | ||
| 236 | # Set a speed limit to make sure that this job blocks the rest | |
| 237 | result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4', base=self.imgs[1], speed=1024*1024) | |
| 238 | self.assert_qmp(result, 'return', {}) | |
| 239 | ||
| 240 | result = self.vm.qmp('block-stream', device='node5', job_id='stream-node5', base=self.imgs[2]) | |
| 241 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 242 | ||
| 243 | result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3', base=self.imgs[2]) | |
| 244 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 245 | ||
| 246 | result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4-v2') | |
| 247 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 248 | ||
| 249 | # block-commit should also fail if it touches nodes used by the stream job | |
| 250 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[4], job_id='commit-node4') | |
| 251 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 252 | ||
| 253 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[1], top=self.imgs[3], job_id='commit-node1') | |
| 254 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 255 | ||
| 256 | # This fails because it needs to modify the backing string in node2, which is blocked | |
| 257 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[0], top=self.imgs[1], job_id='commit-node0') | |
| 258 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 259 | ||
| 260 | self.wait_until_completed(drive='stream-node4') | |
| 261 | self.assert_no_active_block_jobs() | |
| 262 | ||
| 263 | # Similar to test_overlapping_1, but with block-commit | |
| 264 | # blocking the other jobs | |
| 265 | def test_overlapping_2(self): | |
| 266 | self.assertLessEqual(9, self.num_imgs) | |
| 267 | self.assert_no_active_block_jobs() | |
| 268 | ||
| 269 | # Set a speed limit to make sure that this job blocks the rest | |
| 270 | result = self.vm.qmp('block-commit', device='drive0', top=self.imgs[5], base=self.imgs[3], job_id='commit-node3', speed=1024*1024) | |
| 271 | self.assert_qmp(result, 'return', {}) | |
| 272 | ||
| 273 | result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3') | |
| 274 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 275 | ||
| 276 | result = self.vm.qmp('block-stream', device='node6', base=self.imgs[2], job_id='stream-node6') | |
| 277 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 278 | ||
| 279 | result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], job_id='stream-node4') | |
| 280 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 281 | ||
| 282 | result = self.vm.qmp('block-stream', device='node6', base=self.imgs[4], job_id='stream-node6-v2') | |
| 283 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 284 | ||
| 285 | # This fails because block-commit needs to block node6, the overlay of the 'top' image | |
| 286 | result = self.vm.qmp('block-stream', device='node7', base=self.imgs[5], job_id='stream-node6-v3') | |
| 287 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 288 | ||
| 289 | # This fails because block-commit currently blocks the active layer even if it's not used | |
| 290 | result = self.vm.qmp('block-stream', device='drive0', base=self.imgs[5], job_id='stream-drive0') | |
| 291 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 292 | ||
| 293 | self.wait_until_completed(drive='commit-node3') | |
| 294 | ||
| 295 | # Similar to test_overlapping_2, but here block-commit doesn't use the 'top' parameter. | |
| 296 | # Internally this uses a mirror block job, hence the separate test case. | |
| 297 | def test_overlapping_3(self): | |
| 298 | self.assertLessEqual(8, self.num_imgs) | |
| 299 | self.assert_no_active_block_jobs() | |
| 300 | ||
| 301 | # Set a speed limit to make sure that this job blocks the rest | |
| 302 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3], job_id='commit-drive0', speed=1024*1024) | |
| 303 | self.assert_qmp(result, 'return', {}) | |
| 304 | ||
| 305 | result = self.vm.qmp('block-stream', device='node5', base=self.imgs[3], job_id='stream-node6') | |
| 306 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 307 | ||
| 308 | event = self.vm.get_qmp_event(wait=True) | |
| 309 | self.assertEqual(event['event'], 'BLOCK_JOB_READY') | |
| 310 | self.assert_qmp(event, 'data/device', 'commit-drive0') | |
| 311 | self.assert_qmp(event, 'data/type', 'commit') | |
| 312 | self.assert_qmp_absent(event, 'data/error') | |
| 313 | ||
| 314 | result = self.vm.qmp('block-job-complete', device='commit-drive0') | |
| 315 | self.assert_qmp(result, 'return', {}) | |
| 316 | ||
| 317 | self.wait_until_completed(drive='commit-drive0') | |
| 704d59f1 AG |
318 | |
| 319 | # Test a block-stream and a block-commit job in parallel | |
| 320 | def test_stream_commit(self): | |
| 321 | self.assertLessEqual(8, self.num_imgs) | |
| 322 | self.assert_no_active_block_jobs() | |
| 323 | ||
| 324 | # Stream from node0 into node2 | |
| 325 | result = self.vm.qmp('block-stream', device='node2', job_id='node2') | |
| 326 | self.assert_qmp(result, 'return', {}) | |
| 327 | ||
| 328 | # Commit from the active layer into node3 | |
| 329 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3]) | |
| 330 | self.assert_qmp(result, 'return', {}) | |
| 331 | ||
| 332 | # Wait for all jobs to be finished. | |
| 333 | pending_jobs = ['node2', 'drive0'] | |
| 334 | while len(pending_jobs) > 0: | |
| 335 | for event in self.vm.get_qmp_events(wait=True): | |
| 336 | if event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 337 | node_name = self.dictpath(event, 'data/device') | |
| 338 | self.assertTrue(node_name in pending_jobs) | |
| 339 | self.assert_qmp_absent(event, 'data/error') | |
| 340 | pending_jobs.remove(node_name) | |
| 341 | if event['event'] == 'BLOCK_JOB_READY': | |
| 342 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 343 | self.assert_qmp(event, 'data/type', 'commit') | |
| 344 | self.assert_qmp_absent(event, 'data/error') | |
| 345 | self.assertTrue('drive0' in pending_jobs) | |
| 346 | self.vm.qmp('block-job-complete', device='drive0') | |
| 347 | ||
| eb290b78 AG |
348 | self.assert_no_active_block_jobs() |
| 349 | ||
| 7eb13c9d AG |
350 | # Test the base_node parameter |
| 351 | def test_stream_base_node_name(self): | |
| 352 | self.assert_no_active_block_jobs() | |
| 353 | ||
| 354 | self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), | |
| 355 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), | |
| 356 | 'image file map matches backing file before streaming') | |
| 357 | ||
| 358 | # Error: the base node does not exist | |
| 359 | result = self.vm.qmp('block-stream', device='node4', base_node='none', job_id='stream') | |
| 360 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 361 | ||
| 362 | # Error: the base node is not a backing file of the top node | |
| 363 | result = self.vm.qmp('block-stream', device='node4', base_node='node6', job_id='stream') | |
| 364 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 365 | ||
| 366 | # Error: the base node is the same as the top node | |
| 367 | result = self.vm.qmp('block-stream', device='node4', base_node='node4', job_id='stream') | |
| 368 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 369 | ||
| 370 | # Error: cannot specify 'base' and 'base-node' at the same time | |
| 371 | result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], base_node='node2', job_id='stream') | |
| 372 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 373 | ||
| 374 | # Success: the base node is a backing file of the top node | |
| 375 | result = self.vm.qmp('block-stream', device='node4', base_node='node2', job_id='stream') | |
| 376 | self.assert_qmp(result, 'return', {}) | |
| 377 | ||
| 378 | self.wait_until_completed(drive='stream') | |
| 379 | ||
| 380 | self.assert_no_active_block_jobs() | |
| 381 | self.vm.shutdown() | |
| 382 | ||
| 383 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), | |
| 384 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), | |
| 385 | 'image file map matches backing file after streaming') | |
| 386 | ||
| 48361afb AG |
387 | class TestQuorum(iotests.QMPTestCase): |
| 388 | num_children = 3 | |
| 389 | children = [] | |
| 390 | backing = [] | |
| 391 | ||
| 392 | def setUp(self): | |
| 393 | opts = ['driver=quorum', 'vote-threshold=2'] | |
| 394 | ||
| 395 | # Initialize file names and command-line options | |
| 396 | for i in range(self.num_children): | |
| 397 | child_img = os.path.join(iotests.test_dir, 'img-%d.img' % i) | |
| 398 | backing_img = os.path.join(iotests.test_dir, 'backing-%d.img' % i) | |
| 399 | self.children.append(child_img) | |
| 400 | self.backing.append(backing_img) | |
| 401 | qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M') | |
| 402 | qemu_io('-f', iotests.imgfmt, | |
| 403 | '-c', 'write -P 0x55 0 1024', backing_img) | |
| 404 | qemu_img('create', '-f', iotests.imgfmt, | |
| 405 | '-o', 'backing_file=%s' % backing_img, child_img) | |
| 406 | opts.append("children.%d.file.filename=%s" % (i, child_img)) | |
| 407 | opts.append("children.%d.node-name=node%d" % (i, i)) | |
| 408 | ||
| 409 | # Attach the drive to the VM | |
| 410 | self.vm = iotests.VM() | |
| 411 | self.vm.add_drive(path = None, opts = ','.join(opts)) | |
| 412 | self.vm.launch() | |
| 413 | ||
| 414 | def tearDown(self): | |
| 415 | self.vm.shutdown() | |
| 416 | for img in self.children: | |
| 417 | os.remove(img) | |
| 418 | for img in self.backing: | |
| 419 | os.remove(img) | |
| 420 | ||
| 421 | def test_stream_quorum(self): | |
| 422 | if not iotests.supports_quorum(): | |
| 423 | return | |
| 424 | ||
| 425 | self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), | |
| 426 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), | |
| 427 | 'image file map matches backing file before streaming') | |
| 428 | ||
| 429 | self.assert_no_active_block_jobs() | |
| 430 | ||
| 431 | result = self.vm.qmp('block-stream', device='node0', job_id='stream-node0') | |
| 432 | self.assert_qmp(result, 'return', {}) | |
| 433 | ||
| 434 | self.wait_until_completed(drive='stream-node0') | |
| 435 | ||
| 436 | self.assert_no_active_block_jobs() | |
| 437 | self.vm.shutdown() | |
| 438 | ||
| 439 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), | |
| 440 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), | |
| 441 | 'image file map does not match backing file after streaming') | |
| 442 | ||
| 2499a096 | 443 | class TestSmallerBackingFile(iotests.QMPTestCase): |
| 774a8850 SH |
444 | backing_len = 1 * 1024 * 1024 # MB |
| 445 | image_len = 2 * backing_len | |
| 446 | ||
| 447 | def setUp(self): | |
| 2499a096 | 448 | iotests.create_image(backing_img, self.backing_len) |
| 774a8850 SH |
449 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) |
| 450 | self.vm = iotests.VM().add_drive(test_img) | |
| 451 | self.vm.launch() | |
| 452 | ||
| 453 | # If this hangs, then you are missing a fix to complete streaming when the | |
| 454 | # end of the backing file is reached. | |
| 455 | def test_stream(self): | |
| ecc1c88e | 456 | self.assert_no_active_block_jobs() |
| 774a8850 SH |
457 | |
| 458 | result = self.vm.qmp('block-stream', device='drive0') | |
| 459 | self.assert_qmp(result, 'return', {}) | |
| 460 | ||
| 9974ad40 | 461 | self.wait_until_completed() |
| 774a8850 | 462 | |
| ecc1c88e | 463 | self.assert_no_active_block_jobs() |
| 774a8850 SH |
464 | self.vm.shutdown() |
| 465 | ||
| 2499a096 | 466 | class TestErrors(iotests.QMPTestCase): |
| 90f0b711 PB |
467 | image_len = 2 * 1024 * 1024 # MB |
| 468 | ||
| 469 | # this should match STREAM_BUFFER_SIZE/512 in block/stream.c | |
| 470 | STREAM_BUFFER_SIZE = 512 * 1024 | |
| 471 | ||
| 472 | def create_blkdebug_file(self, name, event, errno): | |
| 473 | file = open(name, 'w') | |
| 474 | file.write(''' | |
| 475 | [inject-error] | |
| 476 | state = "1" | |
| 477 | event = "%s" | |
| 478 | errno = "%d" | |
| 479 | immediately = "off" | |
| 480 | once = "on" | |
| 481 | sector = "%d" | |
| 482 | ||
| 483 | [set-state] | |
| 484 | state = "1" | |
| 485 | event = "%s" | |
| 486 | new_state = "2" | |
| 487 | ||
| 488 | [set-state] | |
| 489 | state = "2" | |
| 490 | event = "%s" | |
| 491 | new_state = "1" | |
| 492 | ''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) | |
| 493 | file.close() | |
| 494 | ||
| 495 | class TestEIO(TestErrors): | |
| 496 | def setUp(self): | |
| 497 | self.blkdebug_file = backing_img + ".blkdebug" | |
| 2499a096 | 498 | iotests.create_image(backing_img, TestErrors.image_len) |
| 90f0b711 PB |
499 | self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) |
| 500 | qemu_img('create', '-f', iotests.imgfmt, | |
| 501 | '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' | |
| 502 | % (self.blkdebug_file, backing_img), | |
| 503 | test_img) | |
| 504 | self.vm = iotests.VM().add_drive(test_img) | |
| 505 | self.vm.launch() | |
| 506 | ||
| 507 | def tearDown(self): | |
| 508 | self.vm.shutdown() | |
| 509 | os.remove(test_img) | |
| 510 | os.remove(backing_img) | |
| 511 | os.remove(self.blkdebug_file) | |
| 512 | ||
| 513 | def test_report(self): | |
| ecc1c88e | 514 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
515 | |
| 516 | result = self.vm.qmp('block-stream', device='drive0') | |
| 517 | self.assert_qmp(result, 'return', {}) | |
| 518 | ||
| 519 | completed = False | |
| 520 | error = False | |
| 521 | while not completed: | |
| 522 | for event in self.vm.get_qmp_events(wait=True): | |
| 523 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 524 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 525 | self.assert_qmp(event, 'data/operation', 'read') | |
| 526 | error = True | |
| 527 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 528 | self.assertTrue(error, 'job completed unexpectedly') | |
| 529 | self.assert_qmp(event, 'data/type', 'stream') | |
| 530 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 531 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 532 | self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) | |
| 533 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 534 | completed = True | |
| 535 | ||
| ecc1c88e | 536 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
537 | self.vm.shutdown() |
| 538 | ||
| 539 | def test_ignore(self): | |
| ecc1c88e | 540 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
541 | |
| 542 | result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') | |
| 543 | self.assert_qmp(result, 'return', {}) | |
| 544 | ||
| 545 | error = False | |
| 546 | completed = False | |
| 547 | while not completed: | |
| 548 | for event in self.vm.get_qmp_events(wait=True): | |
| 549 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 550 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 551 | self.assert_qmp(event, 'data/operation', 'read') | |
| 552 | result = self.vm.qmp('query-block-jobs') | |
| 553 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 554 | error = True | |
| 555 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 556 | self.assertTrue(error, 'job completed unexpectedly') | |
| 557 | self.assert_qmp(event, 'data/type', 'stream') | |
| 558 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 559 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 560 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 561 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 562 | completed = True | |
| 563 | ||
| ecc1c88e | 564 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
565 | self.vm.shutdown() |
| 566 | ||
| 567 | def test_stop(self): | |
| ecc1c88e | 568 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
569 | |
| 570 | result = self.vm.qmp('block-stream', device='drive0', on_error='stop') | |
| 571 | self.assert_qmp(result, 'return', {}) | |
| 572 | ||
| 573 | error = False | |
| 574 | completed = False | |
| 575 | while not completed: | |
| 576 | for event in self.vm.get_qmp_events(wait=True): | |
| 577 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 01809194 | 578 | error = True |
| 90f0b711 PB |
579 | self.assert_qmp(event, 'data/device', 'drive0') |
| 580 | self.assert_qmp(event, 'data/operation', 'read') | |
| 581 | ||
| 582 | result = self.vm.qmp('query-block-jobs') | |
| 583 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 584 | self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) | |
| 585 | self.assert_qmp(result, 'return[0]/io-status', 'failed') | |
| 586 | ||
| 587 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 588 | self.assert_qmp(result, 'return', {}) | |
| 589 | ||
| 590 | result = self.vm.qmp('query-block-jobs') | |
| 01809194 JS |
591 | if result == {'return': []}: |
| 592 | # Race; likely already finished. Check. | |
| 593 | continue | |
| 90f0b711 PB |
594 | self.assert_qmp(result, 'return[0]/paused', False) |
| 595 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 90f0b711 PB |
596 | elif event['event'] == 'BLOCK_JOB_COMPLETED': |
| 597 | self.assertTrue(error, 'job completed unexpectedly') | |
| 598 | self.assert_qmp(event, 'data/type', 'stream') | |
| 599 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 600 | self.assert_qmp_absent(event, 'data/error') | |
| 601 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 602 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 603 | completed = True | |
| 604 | ||
| ecc1c88e | 605 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
606 | self.vm.shutdown() |
| 607 | ||
| 608 | def test_enospc(self): | |
| ecc1c88e | 609 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
610 | |
| 611 | result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') | |
| 612 | self.assert_qmp(result, 'return', {}) | |
| 613 | ||
| 614 | completed = False | |
| 615 | error = False | |
| 616 | while not completed: | |
| 617 | for event in self.vm.get_qmp_events(wait=True): | |
| 618 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 619 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 620 | self.assert_qmp(event, 'data/operation', 'read') | |
| 621 | error = True | |
| 622 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 623 | self.assertTrue(error, 'job completed unexpectedly') | |
| 624 | self.assert_qmp(event, 'data/type', 'stream') | |
| 625 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 626 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 627 | self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) | |
| 628 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 629 | completed = True | |
| 630 | ||
| ecc1c88e | 631 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
632 | self.vm.shutdown() |
| 633 | ||
| 634 | class TestENOSPC(TestErrors): | |
| 635 | def setUp(self): | |
| 636 | self.blkdebug_file = backing_img + ".blkdebug" | |
| 2499a096 | 637 | iotests.create_image(backing_img, TestErrors.image_len) |
| 90f0b711 PB |
638 | self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) |
| 639 | qemu_img('create', '-f', iotests.imgfmt, | |
| 640 | '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' | |
| 641 | % (self.blkdebug_file, backing_img), | |
| 642 | test_img) | |
| 643 | self.vm = iotests.VM().add_drive(test_img) | |
| 644 | self.vm.launch() | |
| 645 | ||
| 646 | def tearDown(self): | |
| 647 | self.vm.shutdown() | |
| 648 | os.remove(test_img) | |
| 649 | os.remove(backing_img) | |
| 650 | os.remove(self.blkdebug_file) | |
| 651 | ||
| 652 | def test_enospc(self): | |
| ecc1c88e | 653 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
654 | |
| 655 | result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') | |
| 656 | self.assert_qmp(result, 'return', {}) | |
| 657 | ||
| 658 | error = False | |
| 659 | completed = False | |
| 660 | while not completed: | |
| 661 | for event in self.vm.get_qmp_events(wait=True): | |
| 662 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 663 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 664 | self.assert_qmp(event, 'data/operation', 'read') | |
| 665 | ||
| 666 | result = self.vm.qmp('query-block-jobs') | |
| 667 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 668 | self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) | |
| 669 | self.assert_qmp(result, 'return[0]/io-status', 'nospace') | |
| 670 | ||
| 671 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 672 | self.assert_qmp(result, 'return', {}) | |
| 673 | ||
| 674 | result = self.vm.qmp('query-block-jobs') | |
| 675 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 676 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 677 | error = True | |
| 678 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 679 | self.assertTrue(error, 'job completed unexpectedly') | |
| 680 | self.assert_qmp(event, 'data/type', 'stream') | |
| 681 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 682 | self.assert_qmp_absent(event, 'data/error') | |
| 683 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 684 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 685 | completed = True | |
| 686 | ||
| ecc1c88e | 687 | self.assert_no_active_block_jobs() |
| 90f0b711 | 688 | self.vm.shutdown() |
| 774a8850 | 689 | |
| 2499a096 | 690 | class TestStreamStop(iotests.QMPTestCase): |
| 37ce63eb SH |
691 | image_len = 8 * 1024 * 1024 * 1024 # GB |
| 692 | ||
| 693 | def setUp(self): | |
| 694 | qemu_img('create', backing_img, str(TestStreamStop.image_len)) | |
| 90c9b167 | 695 | qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) |
| 37ce63eb | 696 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 90c9b167 | 697 | qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) |
| b59b3d57 | 698 | self.vm = iotests.VM().add_drive("blkdebug::" + test_img) |
| 37ce63eb SH |
699 | self.vm.launch() |
| 700 | ||
| 701 | def tearDown(self): | |
| 702 | self.vm.shutdown() | |
| 703 | os.remove(test_img) | |
| 704 | os.remove(backing_img) | |
| 705 | ||
| 706 | def test_stream_stop(self): | |
| ecc1c88e | 707 | self.assert_no_active_block_jobs() |
| 37ce63eb | 708 | |
| b59b3d57 | 709 | self.vm.pause_drive('drive0') |
| db58f9c0 | 710 | result = self.vm.qmp('block-stream', device='drive0') |
| 37ce63eb SH |
711 | self.assert_qmp(result, 'return', {}) |
| 712 | ||
| 0fd05e8d | 713 | time.sleep(0.1) |
| 37ce63eb SH |
714 | events = self.vm.get_qmp_events(wait=False) |
| 715 | self.assertEqual(events, [], 'unexpected QMP event: %s' % events) | |
| 716 | ||
| b59b3d57 | 717 | self.cancel_and_wait(resume=True) |
| 37ce63eb | 718 | |
| 2499a096 | 719 | class TestSetSpeed(iotests.QMPTestCase): |
| 37ce63eb SH |
720 | image_len = 80 * 1024 * 1024 # MB |
| 721 | ||
| 722 | def setUp(self): | |
| 723 | qemu_img('create', backing_img, str(TestSetSpeed.image_len)) | |
| 90c9b167 | 724 | qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) |
| 37ce63eb | 725 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 90c9b167 | 726 | qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) |
| b59b3d57 | 727 | self.vm = iotests.VM().add_drive('blkdebug::' + test_img) |
| 37ce63eb SH |
728 | self.vm.launch() |
| 729 | ||
| 730 | def tearDown(self): | |
| 731 | self.vm.shutdown() | |
| 732 | os.remove(test_img) | |
| 733 | os.remove(backing_img) | |
| 734 | ||
| e425306a SH |
735 | # This is a short performance test which is not run by default. |
| 736 | # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" | |
| 737 | def perf_test_throughput(self): | |
| ecc1c88e | 738 | self.assert_no_active_block_jobs() |
| 37ce63eb | 739 | |
| db58f9c0 | 740 | result = self.vm.qmp('block-stream', device='drive0') |
| 37ce63eb SH |
741 | self.assert_qmp(result, 'return', {}) |
| 742 | ||
| e425306a | 743 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) |
| 37ce63eb SH |
744 | self.assert_qmp(result, 'return', {}) |
| 745 | ||
| 9974ad40 | 746 | self.wait_until_completed() |
| 37ce63eb | 747 | |
| ecc1c88e | 748 | self.assert_no_active_block_jobs() |
| 37ce63eb | 749 | |
| e425306a | 750 | def test_set_speed(self): |
| ecc1c88e | 751 | self.assert_no_active_block_jobs() |
| e425306a | 752 | |
| b59b3d57 | 753 | self.vm.pause_drive('drive0') |
| e425306a SH |
754 | result = self.vm.qmp('block-stream', device='drive0') |
| 755 | self.assert_qmp(result, 'return', {}) | |
| 756 | ||
| 757 | # Default speed is 0 | |
| 758 | result = self.vm.qmp('query-block-jobs') | |
| 759 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 760 | self.assert_qmp(result, 'return[0]/speed', 0) | |
| 761 | ||
| 762 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) | |
| 763 | self.assert_qmp(result, 'return', {}) | |
| 764 | ||
| 765 | # Ensure the speed we set was accepted | |
| 766 | result = self.vm.qmp('query-block-jobs') | |
| 767 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 768 | self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) | |
| 769 | ||
| b59b3d57 FZ |
770 | self.cancel_and_wait(resume=True) |
| 771 | self.vm.pause_drive('drive0') | |
| e425306a SH |
772 | |
| 773 | # Check setting speed in block-stream works | |
| 774 | result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) | |
| 775 | self.assert_qmp(result, 'return', {}) | |
| 776 | ||
| 777 | result = self.vm.qmp('query-block-jobs') | |
| 778 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 779 | self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) | |
| 780 | ||
| b59b3d57 | 781 | self.cancel_and_wait(resume=True) |
| e425306a SH |
782 | |
| 783 | def test_set_speed_invalid(self): | |
| ecc1c88e | 784 | self.assert_no_active_block_jobs() |
| e425306a SH |
785 | |
| 786 | result = self.vm.qmp('block-stream', device='drive0', speed=-1) | |
| 58c8cce2 | 787 | self.assert_qmp(result, 'error/class', 'GenericError') |
| e425306a | 788 | |
| ecc1c88e | 789 | self.assert_no_active_block_jobs() |
| e425306a SH |
790 | |
| 791 | result = self.vm.qmp('block-stream', device='drive0') | |
| 792 | self.assert_qmp(result, 'return', {}) | |
| 793 | ||
| 794 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) | |
| 58c8cce2 | 795 | self.assert_qmp(result, 'error/class', 'GenericError') |
| e425306a SH |
796 | |
| 797 | self.cancel_and_wait() | |
| 798 | ||
| 37ce63eb SH |
799 | if __name__ == '__main__': |
| 800 | iotests.main(supported_fmts=['qcow2', 'qed']) |