projects / 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 | ||
| aca7063a FZ |
66 | self.assertNotEqual(qemu_io('-f', 'raw', '-rU', '-c', 'map', backing_img), |
| 67 | qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', mid_img), | |
| 7b8a9e5a AG |
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 | ||
| 2c93c5cb KW |
92 | self.vm.resume_drive('drive0') |
| 93 | self.pause_job('drive0') | |
| 94 | ||
| 0c817347 PB |
95 | result = self.vm.qmp('query-block-jobs') |
| 96 | offset = self.dictpath(result, 'return[0]/offset') | |
| 97 | ||
| 2c93c5cb | 98 | time.sleep(0.5) |
| 0c817347 PB |
99 | result = self.vm.qmp('query-block-jobs') |
| 100 | self.assert_qmp(result, 'return[0]/offset', offset) | |
| 101 | ||
| 102 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 103 | self.assert_qmp(result, 'return', {}) | |
| 104 | ||
| 9974ad40 | 105 | self.wait_until_completed() |
| 0c817347 | 106 | |
| ecc1c88e | 107 | self.assert_no_active_block_jobs() |
| 0c817347 PB |
108 | self.vm.shutdown() |
| 109 | ||
| 90c9b167 KW |
110 | self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), |
| 111 | qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| 0c817347 PB |
112 | 'image file map does not match backing file after streaming') |
| 113 | ||
| 409d5498 AG |
114 | def test_stream_no_op(self): |
| 115 | self.assert_no_active_block_jobs() | |
| 116 | ||
| 117 | # The image map is empty before the operation | |
| aca7063a | 118 | empty_map = qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', test_img) |
| 409d5498 AG |
119 | |
| 120 | # This is a no-op: no data should ever be copied from the base image | |
| 121 | result = self.vm.qmp('block-stream', device='drive0', base=mid_img) | |
| 122 | self.assert_qmp(result, 'return', {}) | |
| 123 | ||
| 124 | self.wait_until_completed() | |
| 125 | ||
| 126 | self.assert_no_active_block_jobs() | |
| 127 | self.vm.shutdown() | |
| 128 | ||
| 129 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| 130 | empty_map, 'image file map changed after a no-op') | |
| 131 | ||
| 6e343609 | 132 | def test_stream_partial(self): |
| ecc1c88e | 133 | self.assert_no_active_block_jobs() |
| 6e343609 | 134 | |
| 5e302a7d | 135 | result = self.vm.qmp('block-stream', device='drive0', base=backing_img) |
| 6e343609 PB |
136 | self.assert_qmp(result, 'return', {}) |
| 137 | ||
| 9974ad40 | 138 | self.wait_until_completed() |
| 6e343609 | 139 | |
| ecc1c88e | 140 | self.assert_no_active_block_jobs() |
| 6e343609 PB |
141 | self.vm.shutdown() |
| 142 | ||
| 90c9b167 KW |
143 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), |
| 144 | qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), | |
| 6e343609 PB |
145 | 'image file map does not match backing file after streaming') |
| 146 | ||
| 37ce63eb | 147 | def test_device_not_found(self): |
| db58f9c0 | 148 | result = self.vm.qmp('block-stream', device='nonexistent') |
| b6c1bae5 | 149 | self.assert_qmp(result, 'error/class', 'GenericError') |
| 37ce63eb | 150 | |
| 0bb0aea4 KW |
151 | def test_job_id_missing(self): |
| 152 | result = self.vm.qmp('block-stream', device='mid') | |
| 153 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 154 | ||
| 774a8850 | 155 | |
| c1a34322 AG |
156 | class TestParallelOps(iotests.QMPTestCase): |
| 157 | num_ops = 4 # Number of parallel block-stream operations | |
| 158 | num_imgs = num_ops * 2 + 1 | |
| 159 | image_len = num_ops * 1024 * 1024 | |
| 160 | imgs = [] | |
| 161 | ||
| 162 | def setUp(self): | |
| 163 | opts = [] | |
| 164 | self.imgs = [] | |
| 165 | ||
| 166 | # Initialize file names and command-line options | |
| 167 | for i in range(self.num_imgs): | |
| 168 | img_depth = self.num_imgs - i - 1 | |
| 169 | opts.append("backing." * img_depth + "node-name=node%d" % i) | |
| 170 | self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) | |
| 171 | ||
| 172 | # Create all images | |
| 173 | iotests.create_image(self.imgs[0], self.image_len) | |
| 174 | for i in range(1, self.num_imgs): | |
| 175 | qemu_img('create', '-f', iotests.imgfmt, | |
| 176 | '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) | |
| 177 | ||
| 178 | # Put data into the images we are copying data from | |
| 179 | for i in range(self.num_imgs / 2): | |
| 180 | img_index = i * 2 + 1 | |
| 181 | # Alternate between 512k and 1M. | |
| 182 | # This way jobs will not finish in the same order they were created | |
| 183 | num_kb = 512 + 512 * (i % 2) | |
| 184 | qemu_io('-f', iotests.imgfmt, | |
| 185 | '-c', 'write -P %d %d %d' % (i, i*1024*1024, num_kb * 1024), | |
| 186 | self.imgs[img_index]) | |
| 187 | ||
| 188 | # Attach the drive to the VM | |
| 189 | self.vm = iotests.VM() | |
| 190 | self.vm.add_drive(self.imgs[-1], ','.join(opts)) | |
| 191 | self.vm.launch() | |
| 192 | ||
| 193 | def tearDown(self): | |
| 194 | self.vm.shutdown() | |
| 195 | for img in self.imgs: | |
| 196 | os.remove(img) | |
| 197 | ||
| 198 | # Test that it's possible to run several block-stream operations | |
| 199 | # in parallel in the same snapshot chain | |
| 200 | def test_stream_parallel(self): | |
| 201 | self.assert_no_active_block_jobs() | |
| 202 | ||
| 203 | # Check that the maps don't match before the streaming operations | |
| 204 | for i in range(2, self.num_imgs, 2): | |
| aca7063a FZ |
205 | self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[i]), |
| 206 | qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[i-1]), | |
| c1a34322 AG |
207 | 'image file map matches backing file before streaming') |
| 208 | ||
| 209 | # Create all streaming jobs | |
| 210 | pending_jobs = [] | |
| 211 | for i in range(2, self.num_imgs, 2): | |
| 212 | node_name = 'node%d' % i | |
| 213 | job_id = 'stream-%s' % node_name | |
| 214 | pending_jobs.append(job_id) | |
| 215 | result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024) | |
| 216 | self.assert_qmp(result, 'return', {}) | |
| 217 | ||
| 218 | # Wait for all jobs to be finished. | |
| 219 | while len(pending_jobs) > 0: | |
| 220 | for event in self.vm.get_qmp_events(wait=True): | |
| 221 | if event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 222 | job_id = self.dictpath(event, 'data/device') | |
| 223 | self.assertTrue(job_id in pending_jobs) | |
| 224 | self.assert_qmp_absent(event, 'data/error') | |
| 225 | pending_jobs.remove(job_id) | |
| 226 | ||
| 227 | self.assert_no_active_block_jobs() | |
| 228 | self.vm.shutdown() | |
| 229 | ||
| 230 | # Check that all maps match now | |
| 231 | for i in range(2, self.num_imgs, 2): | |
| 232 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), | |
| 233 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), | |
| 234 | 'image file map does not match backing file after streaming') | |
| 235 | ||
| eb290b78 AG |
236 | # Test that it's not possible to perform two block-stream |
| 237 | # operations if there are nodes involved in both. | |
| 238 | def test_overlapping_1(self): | |
| 239 | self.assert_no_active_block_jobs() | |
| 240 | ||
| 241 | # Set a speed limit to make sure that this job blocks the rest | |
| 242 | result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4', base=self.imgs[1], speed=1024*1024) | |
| 243 | self.assert_qmp(result, 'return', {}) | |
| 244 | ||
| 245 | result = self.vm.qmp('block-stream', device='node5', job_id='stream-node5', base=self.imgs[2]) | |
| 246 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 247 | ||
| 248 | result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3', base=self.imgs[2]) | |
| 249 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 250 | ||
| 251 | result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4-v2') | |
| 252 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 253 | ||
| 254 | # block-commit should also fail if it touches nodes used by the stream job | |
| 255 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[4], job_id='commit-node4') | |
| 256 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 257 | ||
| 258 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[1], top=self.imgs[3], job_id='commit-node1') | |
| 259 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 260 | ||
| 261 | # This fails because it needs to modify the backing string in node2, which is blocked | |
| 262 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[0], top=self.imgs[1], job_id='commit-node0') | |
| 263 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 264 | ||
| 265 | self.wait_until_completed(drive='stream-node4') | |
| 266 | self.assert_no_active_block_jobs() | |
| 267 | ||
| 268 | # Similar to test_overlapping_1, but with block-commit | |
| 269 | # blocking the other jobs | |
| 270 | def test_overlapping_2(self): | |
| 271 | self.assertLessEqual(9, self.num_imgs) | |
| 272 | self.assert_no_active_block_jobs() | |
| 273 | ||
| 274 | # Set a speed limit to make sure that this job blocks the rest | |
| 275 | result = self.vm.qmp('block-commit', device='drive0', top=self.imgs[5], base=self.imgs[3], job_id='commit-node3', speed=1024*1024) | |
| 276 | self.assert_qmp(result, 'return', {}) | |
| 277 | ||
| 278 | result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3') | |
| 279 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 280 | ||
| 281 | result = self.vm.qmp('block-stream', device='node6', base=self.imgs[2], job_id='stream-node6') | |
| 282 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 283 | ||
| 284 | result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], job_id='stream-node4') | |
| 285 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 286 | ||
| 287 | result = self.vm.qmp('block-stream', device='node6', base=self.imgs[4], job_id='stream-node6-v2') | |
| 288 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 289 | ||
| eb290b78 AG |
290 | # This fails because block-commit currently blocks the active layer even if it's not used |
| 291 | result = self.vm.qmp('block-stream', device='drive0', base=self.imgs[5], job_id='stream-drive0') | |
| 292 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 293 | ||
| 294 | self.wait_until_completed(drive='commit-node3') | |
| 295 | ||
| 296 | # Similar to test_overlapping_2, but here block-commit doesn't use the 'top' parameter. | |
| 297 | # Internally this uses a mirror block job, hence the separate test case. | |
| 298 | def test_overlapping_3(self): | |
| 299 | self.assertLessEqual(8, self.num_imgs) | |
| 300 | self.assert_no_active_block_jobs() | |
| 301 | ||
| 302 | # Set a speed limit to make sure that this job blocks the rest | |
| 303 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3], job_id='commit-drive0', speed=1024*1024) | |
| 304 | self.assert_qmp(result, 'return', {}) | |
| 305 | ||
| 306 | result = self.vm.qmp('block-stream', device='node5', base=self.imgs[3], job_id='stream-node6') | |
| 307 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 308 | ||
| 309 | event = self.vm.get_qmp_event(wait=True) | |
| 310 | self.assertEqual(event['event'], 'BLOCK_JOB_READY') | |
| 311 | self.assert_qmp(event, 'data/device', 'commit-drive0') | |
| 312 | self.assert_qmp(event, 'data/type', 'commit') | |
| 313 | self.assert_qmp_absent(event, 'data/error') | |
| 314 | ||
| 315 | result = self.vm.qmp('block-job-complete', device='commit-drive0') | |
| 316 | self.assert_qmp(result, 'return', {}) | |
| 317 | ||
| 318 | self.wait_until_completed(drive='commit-drive0') | |
| 704d59f1 AG |
319 | |
| 320 | # Test a block-stream and a block-commit job in parallel | |
| 321 | def test_stream_commit(self): | |
| 322 | self.assertLessEqual(8, self.num_imgs) | |
| 323 | self.assert_no_active_block_jobs() | |
| 324 | ||
| 325 | # Stream from node0 into node2 | |
| 326 | result = self.vm.qmp('block-stream', device='node2', job_id='node2') | |
| 327 | self.assert_qmp(result, 'return', {}) | |
| 328 | ||
| 329 | # Commit from the active layer into node3 | |
| 330 | result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3]) | |
| 331 | self.assert_qmp(result, 'return', {}) | |
| 332 | ||
| 333 | # Wait for all jobs to be finished. | |
| 334 | pending_jobs = ['node2', 'drive0'] | |
| 335 | while len(pending_jobs) > 0: | |
| 336 | for event in self.vm.get_qmp_events(wait=True): | |
| 337 | if event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 338 | node_name = self.dictpath(event, 'data/device') | |
| 339 | self.assertTrue(node_name in pending_jobs) | |
| 340 | self.assert_qmp_absent(event, 'data/error') | |
| 341 | pending_jobs.remove(node_name) | |
| 342 | if event['event'] == 'BLOCK_JOB_READY': | |
| 343 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 344 | self.assert_qmp(event, 'data/type', 'commit') | |
| 345 | self.assert_qmp_absent(event, 'data/error') | |
| 346 | self.assertTrue('drive0' in pending_jobs) | |
| 347 | self.vm.qmp('block-job-complete', device='drive0') | |
| 348 | ||
| eb290b78 AG |
349 | self.assert_no_active_block_jobs() |
| 350 | ||
| 7eb13c9d AG |
351 | # Test the base_node parameter |
| 352 | def test_stream_base_node_name(self): | |
| 353 | self.assert_no_active_block_jobs() | |
| 354 | ||
| aca7063a FZ |
355 | self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[4]), |
| 356 | qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[3]), | |
| 7eb13c9d AG |
357 | 'image file map matches backing file before streaming') |
| 358 | ||
| 359 | # Error: the base node does not exist | |
| 360 | result = self.vm.qmp('block-stream', device='node4', base_node='none', job_id='stream') | |
| 361 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 362 | ||
| 363 | # Error: the base node is not a backing file of the top node | |
| 364 | result = self.vm.qmp('block-stream', device='node4', base_node='node6', job_id='stream') | |
| 365 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 366 | ||
| 367 | # Error: the base node is the same as the top node | |
| 368 | result = self.vm.qmp('block-stream', device='node4', base_node='node4', job_id='stream') | |
| 369 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 370 | ||
| 371 | # Error: cannot specify 'base' and 'base-node' at the same time | |
| 372 | result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], base_node='node2', job_id='stream') | |
| 373 | self.assert_qmp(result, 'error/class', 'GenericError') | |
| 374 | ||
| 375 | # Success: the base node is a backing file of the top node | |
| 376 | result = self.vm.qmp('block-stream', device='node4', base_node='node2', job_id='stream') | |
| 377 | self.assert_qmp(result, 'return', {}) | |
| 378 | ||
| 379 | self.wait_until_completed(drive='stream') | |
| 380 | ||
| 381 | self.assert_no_active_block_jobs() | |
| 382 | self.vm.shutdown() | |
| 383 | ||
| 384 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), | |
| 385 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), | |
| 386 | 'image file map matches backing file after streaming') | |
| 387 | ||
| 48361afb AG |
388 | class TestQuorum(iotests.QMPTestCase): |
| 389 | num_children = 3 | |
| 390 | children = [] | |
| 391 | backing = [] | |
| 392 | ||
| 393 | def setUp(self): | |
| 394 | opts = ['driver=quorum', 'vote-threshold=2'] | |
| 395 | ||
| 396 | # Initialize file names and command-line options | |
| 397 | for i in range(self.num_children): | |
| 398 | child_img = os.path.join(iotests.test_dir, 'img-%d.img' % i) | |
| 399 | backing_img = os.path.join(iotests.test_dir, 'backing-%d.img' % i) | |
| 400 | self.children.append(child_img) | |
| 401 | self.backing.append(backing_img) | |
| 402 | qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M') | |
| 403 | qemu_io('-f', iotests.imgfmt, | |
| 404 | '-c', 'write -P 0x55 0 1024', backing_img) | |
| 405 | qemu_img('create', '-f', iotests.imgfmt, | |
| 406 | '-o', 'backing_file=%s' % backing_img, child_img) | |
| 407 | opts.append("children.%d.file.filename=%s" % (i, child_img)) | |
| 408 | opts.append("children.%d.node-name=node%d" % (i, i)) | |
| 409 | ||
| 410 | # Attach the drive to the VM | |
| 411 | self.vm = iotests.VM() | |
| 412 | self.vm.add_drive(path = None, opts = ','.join(opts)) | |
| 413 | self.vm.launch() | |
| 414 | ||
| 415 | def tearDown(self): | |
| 416 | self.vm.shutdown() | |
| 417 | for img in self.children: | |
| 418 | os.remove(img) | |
| 419 | for img in self.backing: | |
| 420 | os.remove(img) | |
| 421 | ||
| 422 | def test_stream_quorum(self): | |
| 423 | if not iotests.supports_quorum(): | |
| 424 | return | |
| 425 | ||
| aca7063a FZ |
426 | self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.children[0]), |
| 427 | qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.backing[0]), | |
| 48361afb AG |
428 | 'image file map matches backing file before streaming') |
| 429 | ||
| 430 | self.assert_no_active_block_jobs() | |
| 431 | ||
| 432 | result = self.vm.qmp('block-stream', device='node0', job_id='stream-node0') | |
| 433 | self.assert_qmp(result, 'return', {}) | |
| 434 | ||
| 435 | self.wait_until_completed(drive='stream-node0') | |
| 436 | ||
| 437 | self.assert_no_active_block_jobs() | |
| 438 | self.vm.shutdown() | |
| 439 | ||
| 440 | self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), | |
| 441 | qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), | |
| 442 | 'image file map does not match backing file after streaming') | |
| 443 | ||
| 2499a096 | 444 | class TestSmallerBackingFile(iotests.QMPTestCase): |
| 774a8850 SH |
445 | backing_len = 1 * 1024 * 1024 # MB |
| 446 | image_len = 2 * backing_len | |
| 447 | ||
| 448 | def setUp(self): | |
| 2499a096 | 449 | iotests.create_image(backing_img, self.backing_len) |
| 774a8850 SH |
450 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) |
| 451 | self.vm = iotests.VM().add_drive(test_img) | |
| 452 | self.vm.launch() | |
| 453 | ||
| 454 | # If this hangs, then you are missing a fix to complete streaming when the | |
| 455 | # end of the backing file is reached. | |
| 456 | def test_stream(self): | |
| ecc1c88e | 457 | self.assert_no_active_block_jobs() |
| 774a8850 SH |
458 | |
| 459 | result = self.vm.qmp('block-stream', device='drive0') | |
| 460 | self.assert_qmp(result, 'return', {}) | |
| 461 | ||
| 9974ad40 | 462 | self.wait_until_completed() |
| 774a8850 | 463 | |
| ecc1c88e | 464 | self.assert_no_active_block_jobs() |
| 774a8850 SH |
465 | self.vm.shutdown() |
| 466 | ||
| 2499a096 | 467 | class TestErrors(iotests.QMPTestCase): |
| 90f0b711 PB |
468 | image_len = 2 * 1024 * 1024 # MB |
| 469 | ||
| 470 | # this should match STREAM_BUFFER_SIZE/512 in block/stream.c | |
| 471 | STREAM_BUFFER_SIZE = 512 * 1024 | |
| 472 | ||
| 473 | def create_blkdebug_file(self, name, event, errno): | |
| 474 | file = open(name, 'w') | |
| 475 | file.write(''' | |
| 476 | [inject-error] | |
| 477 | state = "1" | |
| 478 | event = "%s" | |
| 479 | errno = "%d" | |
| 480 | immediately = "off" | |
| 481 | once = "on" | |
| 482 | sector = "%d" | |
| 483 | ||
| 484 | [set-state] | |
| 485 | state = "1" | |
| 486 | event = "%s" | |
| 487 | new_state = "2" | |
| 488 | ||
| 489 | [set-state] | |
| 490 | state = "2" | |
| 491 | event = "%s" | |
| 492 | new_state = "1" | |
| 493 | ''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) | |
| 494 | file.close() | |
| 495 | ||
| 496 | class TestEIO(TestErrors): | |
| 497 | def setUp(self): | |
| 498 | self.blkdebug_file = backing_img + ".blkdebug" | |
| 2499a096 | 499 | iotests.create_image(backing_img, TestErrors.image_len) |
| 90f0b711 PB |
500 | self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) |
| 501 | qemu_img('create', '-f', iotests.imgfmt, | |
| 502 | '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' | |
| 503 | % (self.blkdebug_file, backing_img), | |
| 504 | test_img) | |
| 505 | self.vm = iotests.VM().add_drive(test_img) | |
| 506 | self.vm.launch() | |
| 507 | ||
| 508 | def tearDown(self): | |
| 509 | self.vm.shutdown() | |
| 510 | os.remove(test_img) | |
| 511 | os.remove(backing_img) | |
| 512 | os.remove(self.blkdebug_file) | |
| 513 | ||
| 514 | def test_report(self): | |
| ecc1c88e | 515 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
516 | |
| 517 | result = self.vm.qmp('block-stream', device='drive0') | |
| 518 | self.assert_qmp(result, 'return', {}) | |
| 519 | ||
| 520 | completed = False | |
| 521 | error = False | |
| 522 | while not completed: | |
| 523 | for event in self.vm.get_qmp_events(wait=True): | |
| 524 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 525 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 526 | self.assert_qmp(event, 'data/operation', 'read') | |
| 527 | error = True | |
| 528 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 529 | self.assertTrue(error, 'job completed unexpectedly') | |
| 530 | self.assert_qmp(event, 'data/type', 'stream') | |
| 531 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 532 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 533 | self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) | |
| 534 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 535 | completed = True | |
| 536 | ||
| ecc1c88e | 537 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
538 | self.vm.shutdown() |
| 539 | ||
| 540 | def test_ignore(self): | |
| ecc1c88e | 541 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
542 | |
| 543 | result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') | |
| 544 | self.assert_qmp(result, 'return', {}) | |
| 545 | ||
| 546 | error = False | |
| 547 | completed = False | |
| 548 | while not completed: | |
| 549 | for event in self.vm.get_qmp_events(wait=True): | |
| 550 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 2c3b44da | 551 | error = True |
| 90f0b711 PB |
552 | self.assert_qmp(event, 'data/device', 'drive0') |
| 553 | self.assert_qmp(event, 'data/operation', 'read') | |
| 554 | result = self.vm.qmp('query-block-jobs') | |
| 2c3b44da JS |
555 | if result == {'return': []}: |
| 556 | # Job finished too quickly | |
| 557 | continue | |
| 90f0b711 | 558 | self.assert_qmp(result, 'return[0]/paused', False) |
| 90f0b711 PB |
559 | elif event['event'] == 'BLOCK_JOB_COMPLETED': |
| 560 | self.assertTrue(error, 'job completed unexpectedly') | |
| 561 | self.assert_qmp(event, 'data/type', 'stream') | |
| 562 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 563 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 564 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 565 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 566 | completed = True | |
| 567 | ||
| ecc1c88e | 568 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
569 | self.vm.shutdown() |
| 570 | ||
| 571 | def test_stop(self): | |
| ecc1c88e | 572 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
573 | |
| 574 | result = self.vm.qmp('block-stream', device='drive0', on_error='stop') | |
| 575 | self.assert_qmp(result, 'return', {}) | |
| 576 | ||
| 577 | error = False | |
| 578 | completed = False | |
| 579 | while not completed: | |
| 580 | for event in self.vm.get_qmp_events(wait=True): | |
| 581 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 01809194 | 582 | error = True |
| 90f0b711 PB |
583 | self.assert_qmp(event, 'data/device', 'drive0') |
| 584 | self.assert_qmp(event, 'data/operation', 'read') | |
| 585 | ||
| 586 | result = self.vm.qmp('query-block-jobs') | |
| 587 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 588 | self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) | |
| 589 | self.assert_qmp(result, 'return[0]/io-status', 'failed') | |
| 590 | ||
| 591 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 592 | self.assert_qmp(result, 'return', {}) | |
| 593 | ||
| 594 | result = self.vm.qmp('query-block-jobs') | |
| 01809194 JS |
595 | if result == {'return': []}: |
| 596 | # Race; likely already finished. Check. | |
| 597 | continue | |
| 90f0b711 PB |
598 | self.assert_qmp(result, 'return[0]/paused', False) |
| 599 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 90f0b711 PB |
600 | elif event['event'] == 'BLOCK_JOB_COMPLETED': |
| 601 | self.assertTrue(error, 'job completed unexpectedly') | |
| 602 | self.assert_qmp(event, 'data/type', 'stream') | |
| 603 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 604 | self.assert_qmp_absent(event, 'data/error') | |
| 605 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 606 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 607 | completed = True | |
| 608 | ||
| ecc1c88e | 609 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
610 | self.vm.shutdown() |
| 611 | ||
| 612 | def test_enospc(self): | |
| ecc1c88e | 613 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
614 | |
| 615 | result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') | |
| 616 | self.assert_qmp(result, 'return', {}) | |
| 617 | ||
| 618 | completed = False | |
| 619 | error = False | |
| 620 | while not completed: | |
| 621 | for event in self.vm.get_qmp_events(wait=True): | |
| 622 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 623 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 624 | self.assert_qmp(event, 'data/operation', 'read') | |
| 625 | error = True | |
| 626 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 627 | self.assertTrue(error, 'job completed unexpectedly') | |
| 628 | self.assert_qmp(event, 'data/type', 'stream') | |
| 629 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 630 | self.assert_qmp(event, 'data/error', 'Input/output error') | |
| 631 | self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) | |
| 632 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 633 | completed = True | |
| 634 | ||
| ecc1c88e | 635 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
636 | self.vm.shutdown() |
| 637 | ||
| 638 | class TestENOSPC(TestErrors): | |
| 639 | def setUp(self): | |
| 640 | self.blkdebug_file = backing_img + ".blkdebug" | |
| 2499a096 | 641 | iotests.create_image(backing_img, TestErrors.image_len) |
| 90f0b711 PB |
642 | self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) |
| 643 | qemu_img('create', '-f', iotests.imgfmt, | |
| 644 | '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' | |
| 645 | % (self.blkdebug_file, backing_img), | |
| 646 | test_img) | |
| 647 | self.vm = iotests.VM().add_drive(test_img) | |
| 648 | self.vm.launch() | |
| 649 | ||
| 650 | def tearDown(self): | |
| 651 | self.vm.shutdown() | |
| 652 | os.remove(test_img) | |
| 653 | os.remove(backing_img) | |
| 654 | os.remove(self.blkdebug_file) | |
| 655 | ||
| 656 | def test_enospc(self): | |
| ecc1c88e | 657 | self.assert_no_active_block_jobs() |
| 90f0b711 PB |
658 | |
| 659 | result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') | |
| 660 | self.assert_qmp(result, 'return', {}) | |
| 661 | ||
| 662 | error = False | |
| 663 | completed = False | |
| 664 | while not completed: | |
| 665 | for event in self.vm.get_qmp_events(wait=True): | |
| 666 | if event['event'] == 'BLOCK_JOB_ERROR': | |
| 667 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 668 | self.assert_qmp(event, 'data/operation', 'read') | |
| 669 | ||
| 670 | result = self.vm.qmp('query-block-jobs') | |
| 671 | self.assert_qmp(result, 'return[0]/paused', True) | |
| 672 | self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) | |
| 673 | self.assert_qmp(result, 'return[0]/io-status', 'nospace') | |
| 674 | ||
| 675 | result = self.vm.qmp('block-job-resume', device='drive0') | |
| 676 | self.assert_qmp(result, 'return', {}) | |
| 677 | ||
| 678 | result = self.vm.qmp('query-block-jobs') | |
| 679 | self.assert_qmp(result, 'return[0]/paused', False) | |
| 680 | self.assert_qmp(result, 'return[0]/io-status', 'ok') | |
| 681 | error = True | |
| 682 | elif event['event'] == 'BLOCK_JOB_COMPLETED': | |
| 683 | self.assertTrue(error, 'job completed unexpectedly') | |
| 684 | self.assert_qmp(event, 'data/type', 'stream') | |
| 685 | self.assert_qmp(event, 'data/device', 'drive0') | |
| 686 | self.assert_qmp_absent(event, 'data/error') | |
| 687 | self.assert_qmp(event, 'data/offset', self.image_len) | |
| 688 | self.assert_qmp(event, 'data/len', self.image_len) | |
| 689 | completed = True | |
| 690 | ||
| ecc1c88e | 691 | self.assert_no_active_block_jobs() |
| 90f0b711 | 692 | self.vm.shutdown() |
| 774a8850 | 693 | |
| 2499a096 | 694 | class TestStreamStop(iotests.QMPTestCase): |
| 37ce63eb SH |
695 | image_len = 8 * 1024 * 1024 * 1024 # GB |
| 696 | ||
| 697 | def setUp(self): | |
| 698 | qemu_img('create', backing_img, str(TestStreamStop.image_len)) | |
| 90c9b167 | 699 | qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) |
| 37ce63eb | 700 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 90c9b167 | 701 | qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) |
| b59b3d57 | 702 | self.vm = iotests.VM().add_drive("blkdebug::" + test_img) |
| 37ce63eb SH |
703 | self.vm.launch() |
| 704 | ||
| 705 | def tearDown(self): | |
| 706 | self.vm.shutdown() | |
| 707 | os.remove(test_img) | |
| 708 | os.remove(backing_img) | |
| 709 | ||
| 710 | def test_stream_stop(self): | |
| ecc1c88e | 711 | self.assert_no_active_block_jobs() |
| 37ce63eb | 712 | |
| b59b3d57 | 713 | self.vm.pause_drive('drive0') |
| db58f9c0 | 714 | result = self.vm.qmp('block-stream', device='drive0') |
| 37ce63eb SH |
715 | self.assert_qmp(result, 'return', {}) |
| 716 | ||
| 0fd05e8d | 717 | time.sleep(0.1) |
| 37ce63eb SH |
718 | events = self.vm.get_qmp_events(wait=False) |
| 719 | self.assertEqual(events, [], 'unexpected QMP event: %s' % events) | |
| 720 | ||
| b59b3d57 | 721 | self.cancel_and_wait(resume=True) |
| 37ce63eb | 722 | |
| 2499a096 | 723 | class TestSetSpeed(iotests.QMPTestCase): |
| 37ce63eb SH |
724 | image_len = 80 * 1024 * 1024 # MB |
| 725 | ||
| 726 | def setUp(self): | |
| 727 | qemu_img('create', backing_img, str(TestSetSpeed.image_len)) | |
| 90c9b167 | 728 | qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) |
| 37ce63eb | 729 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) |
| 90c9b167 | 730 | qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) |
| b59b3d57 | 731 | self.vm = iotests.VM().add_drive('blkdebug::' + test_img) |
| 37ce63eb SH |
732 | self.vm.launch() |
| 733 | ||
| 734 | def tearDown(self): | |
| 735 | self.vm.shutdown() | |
| 736 | os.remove(test_img) | |
| 737 | os.remove(backing_img) | |
| 738 | ||
| e425306a SH |
739 | # This is a short performance test which is not run by default. |
| 740 | # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" | |
| 741 | def perf_test_throughput(self): | |
| ecc1c88e | 742 | self.assert_no_active_block_jobs() |
| 37ce63eb | 743 | |
| db58f9c0 | 744 | result = self.vm.qmp('block-stream', device='drive0') |
| 37ce63eb SH |
745 | self.assert_qmp(result, 'return', {}) |
| 746 | ||
| e425306a | 747 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) |
| 37ce63eb SH |
748 | self.assert_qmp(result, 'return', {}) |
| 749 | ||
| 9974ad40 | 750 | self.wait_until_completed() |
| 37ce63eb | 751 | |
| ecc1c88e | 752 | self.assert_no_active_block_jobs() |
| 37ce63eb | 753 | |
| e425306a | 754 | def test_set_speed(self): |
| ecc1c88e | 755 | self.assert_no_active_block_jobs() |
| e425306a | 756 | |
| b59b3d57 | 757 | self.vm.pause_drive('drive0') |
| e425306a SH |
758 | result = self.vm.qmp('block-stream', device='drive0') |
| 759 | self.assert_qmp(result, 'return', {}) | |
| 760 | ||
| 761 | # Default speed is 0 | |
| 762 | result = self.vm.qmp('query-block-jobs') | |
| 763 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 764 | self.assert_qmp(result, 'return[0]/speed', 0) | |
| 765 | ||
| 766 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) | |
| 767 | self.assert_qmp(result, 'return', {}) | |
| 768 | ||
| 769 | # Ensure the speed we set was accepted | |
| 770 | result = self.vm.qmp('query-block-jobs') | |
| 771 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 772 | self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) | |
| 773 | ||
| b59b3d57 FZ |
774 | self.cancel_and_wait(resume=True) |
| 775 | self.vm.pause_drive('drive0') | |
| e425306a SH |
776 | |
| 777 | # Check setting speed in block-stream works | |
| 778 | result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) | |
| 779 | self.assert_qmp(result, 'return', {}) | |
| 780 | ||
| 781 | result = self.vm.qmp('query-block-jobs') | |
| 782 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
| 783 | self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) | |
| 784 | ||
| b59b3d57 | 785 | self.cancel_and_wait(resume=True) |
| e425306a SH |
786 | |
| 787 | def test_set_speed_invalid(self): | |
| ecc1c88e | 788 | self.assert_no_active_block_jobs() |
| e425306a SH |
789 | |
| 790 | result = self.vm.qmp('block-stream', device='drive0', speed=-1) | |
| 58c8cce2 | 791 | self.assert_qmp(result, 'error/class', 'GenericError') |
| e425306a | 792 | |
| ecc1c88e | 793 | self.assert_no_active_block_jobs() |
| e425306a SH |
794 | |
| 795 | result = self.vm.qmp('block-stream', device='drive0') | |
| 796 | self.assert_qmp(result, 'return', {}) | |
| 797 | ||
| 798 | result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) | |
| 58c8cce2 | 799 | self.assert_qmp(result, 'error/class', 'GenericError') |
| e425306a SH |
800 | |
| 801 | self.cancel_and_wait() | |
| 802 | ||
| 37ce63eb SH |
803 | if __name__ == '__main__': |
| 804 | iotests.main(supported_fmts=['qcow2', 'qed']) |