137ce63ebSStefan Hajnoczi#!/usr/bin/env python 237ce63ebSStefan Hajnoczi# 337ce63ebSStefan Hajnoczi# Tests for image streaming. 437ce63ebSStefan Hajnoczi# 537ce63ebSStefan Hajnoczi# Copyright (C) 2012 IBM Corp. 637ce63ebSStefan Hajnoczi# 737ce63ebSStefan Hajnoczi# This program is free software; you can redistribute it and/or modify 837ce63ebSStefan Hajnoczi# it under the terms of the GNU General Public License as published by 937ce63ebSStefan Hajnoczi# the Free Software Foundation; either version 2 of the License, or 1037ce63ebSStefan Hajnoczi# (at your option) any later version. 1137ce63ebSStefan Hajnoczi# 1237ce63ebSStefan Hajnoczi# This program is distributed in the hope that it will be useful, 1337ce63ebSStefan Hajnoczi# but WITHOUT ANY WARRANTY; without even the implied warranty of 1437ce63ebSStefan Hajnoczi# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1537ce63ebSStefan Hajnoczi# GNU General Public License for more details. 1637ce63ebSStefan Hajnoczi# 1737ce63ebSStefan Hajnoczi# You should have received a copy of the GNU General Public License 1837ce63ebSStefan Hajnoczi# along with this program. If not, see <http://www.gnu.org/licenses/>. 1937ce63ebSStefan Hajnoczi# 2037ce63ebSStefan Hajnoczi 210c817347SPaolo Bonziniimport time 2237ce63ebSStefan Hajnocziimport os 2337ce63ebSStefan Hajnocziimport iotests 2437ce63ebSStefan Hajnoczifrom iotests import qemu_img, qemu_io 2537ce63ebSStefan Hajnoczi 2637ce63ebSStefan Hajnoczibacking_img = os.path.join(iotests.test_dir, 'backing.img') 276e343609SPaolo Bonzinimid_img = os.path.join(iotests.test_dir, 'mid.img') 2837ce63ebSStefan Hajnoczitest_img = os.path.join(iotests.test_dir, 'test.img') 2937ce63ebSStefan Hajnoczi 302499a096SStefan Hajnocziclass TestSingleDrive(iotests.QMPTestCase): 3137ce63ebSStefan Hajnoczi image_len = 1 * 1024 * 1024 # MB 3237ce63ebSStefan Hajnoczi 3337ce63ebSStefan Hajnoczi def setUp(self): 342499a096SStefan Hajnoczi iotests.create_image(backing_img, TestSingleDrive.image_len) 356e343609SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) 366e343609SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) 3790c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img) 385e302a7dSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 524288 512', mid_img) 397b8a9e5aSAlberto Garcia self.vm = iotests.VM().add_drive("blkdebug::" + test_img, "backing.node-name=mid") 4037ce63ebSStefan Hajnoczi self.vm.launch() 4137ce63ebSStefan Hajnoczi 4237ce63ebSStefan Hajnoczi def tearDown(self): 4337ce63ebSStefan Hajnoczi self.vm.shutdown() 4437ce63ebSStefan Hajnoczi os.remove(test_img) 456e343609SPaolo Bonzini os.remove(mid_img) 4637ce63ebSStefan Hajnoczi os.remove(backing_img) 4737ce63ebSStefan Hajnoczi 4837ce63ebSStefan Hajnoczi def test_stream(self): 49ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 5037ce63ebSStefan Hajnoczi 51db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 5237ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 5337ce63ebSStefan Hajnoczi 549974ad40SFam Zheng self.wait_until_completed() 5537ce63ebSStefan Hajnoczi 56ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 57863a5d04SPaolo Bonzini self.vm.shutdown() 5837ce63ebSStefan Hajnoczi 5990c9b167SKevin Wolf self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 6090c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 61efcc7a23SPaolo Bonzini 'image file map does not match backing file after streaming') 6237ce63ebSStefan Hajnoczi 637b8a9e5aSAlberto Garcia def test_stream_intermediate(self): 647b8a9e5aSAlberto Garcia self.assert_no_active_block_jobs() 657b8a9e5aSAlberto Garcia 66aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', 'raw', '-rU', '-c', 'map', backing_img), 67aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', mid_img), 687b8a9e5aSAlberto Garcia 'image file map matches backing file before streaming') 697b8a9e5aSAlberto Garcia 707b8a9e5aSAlberto Garcia result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid') 717b8a9e5aSAlberto Garcia self.assert_qmp(result, 'return', {}) 727b8a9e5aSAlberto Garcia 737b8a9e5aSAlberto Garcia self.wait_until_completed(drive='stream-mid') 747b8a9e5aSAlberto Garcia 757b8a9e5aSAlberto Garcia self.assert_no_active_block_jobs() 767b8a9e5aSAlberto Garcia self.vm.shutdown() 777b8a9e5aSAlberto Garcia 787b8a9e5aSAlberto Garcia self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 797b8a9e5aSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 807b8a9e5aSAlberto Garcia 'image file map does not match backing file after streaming') 817b8a9e5aSAlberto Garcia 820c817347SPaolo Bonzini def test_stream_pause(self): 83ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 840c817347SPaolo Bonzini 85b59b3d57SFam Zheng self.vm.pause_drive('drive0') 860c817347SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0') 870c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 880c817347SPaolo Bonzini 890c817347SPaolo Bonzini result = self.vm.qmp('block-job-pause', device='drive0') 900c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 910c817347SPaolo Bonzini 922c93c5cbSKevin Wolf self.vm.resume_drive('drive0') 932c93c5cbSKevin Wolf self.pause_job('drive0') 942c93c5cbSKevin Wolf 950c817347SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 960c817347SPaolo Bonzini offset = self.dictpath(result, 'return[0]/offset') 970c817347SPaolo Bonzini 982c93c5cbSKevin Wolf time.sleep(0.5) 990c817347SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 1000c817347SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', offset) 1010c817347SPaolo Bonzini 1020c817347SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 1030c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 1040c817347SPaolo Bonzini 1059974ad40SFam Zheng self.wait_until_completed() 1060c817347SPaolo Bonzini 107ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1080c817347SPaolo Bonzini self.vm.shutdown() 1090c817347SPaolo Bonzini 11090c9b167SKevin Wolf self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 11190c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 1120c817347SPaolo Bonzini 'image file map does not match backing file after streaming') 1130c817347SPaolo Bonzini 114409d5498SAlberto Garcia def test_stream_no_op(self): 115409d5498SAlberto Garcia self.assert_no_active_block_jobs() 116409d5498SAlberto Garcia 117409d5498SAlberto Garcia # The image map is empty before the operation 118aca7063aSFam Zheng empty_map = qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', test_img) 119409d5498SAlberto Garcia 120409d5498SAlberto Garcia # This is a no-op: no data should ever be copied from the base image 121409d5498SAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=mid_img) 122409d5498SAlberto Garcia self.assert_qmp(result, 'return', {}) 123409d5498SAlberto Garcia 124409d5498SAlberto Garcia self.wait_until_completed() 125409d5498SAlberto Garcia 126409d5498SAlberto Garcia self.assert_no_active_block_jobs() 127409d5498SAlberto Garcia self.vm.shutdown() 128409d5498SAlberto Garcia 129409d5498SAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 130409d5498SAlberto Garcia empty_map, 'image file map changed after a no-op') 131409d5498SAlberto Garcia 1326e343609SPaolo Bonzini def test_stream_partial(self): 133ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1346e343609SPaolo Bonzini 1355e302a7dSAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=backing_img) 1366e343609SPaolo Bonzini self.assert_qmp(result, 'return', {}) 1376e343609SPaolo Bonzini 1389974ad40SFam Zheng self.wait_until_completed() 1396e343609SPaolo Bonzini 140ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1416e343609SPaolo Bonzini self.vm.shutdown() 1426e343609SPaolo Bonzini 14390c9b167SKevin Wolf self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 14490c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 1456e343609SPaolo Bonzini 'image file map does not match backing file after streaming') 1466e343609SPaolo Bonzini 14737ce63ebSStefan Hajnoczi def test_device_not_found(self): 148db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='nonexistent') 149b6c1bae5SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 15037ce63ebSStefan Hajnoczi 1510bb0aea4SKevin Wolf def test_job_id_missing(self): 1520bb0aea4SKevin Wolf result = self.vm.qmp('block-stream', device='mid') 1530bb0aea4SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 1540bb0aea4SKevin Wolf 155774a8850SStefan Hajnoczi 156c1a34322SAlberto Garciaclass TestParallelOps(iotests.QMPTestCase): 157c1a34322SAlberto Garcia num_ops = 4 # Number of parallel block-stream operations 158c1a34322SAlberto Garcia num_imgs = num_ops * 2 + 1 159*39eaefceSAlberto Garcia image_len = num_ops * 512 * 1024 160c1a34322SAlberto Garcia imgs = [] 161c1a34322SAlberto Garcia 162c1a34322SAlberto Garcia def setUp(self): 163c1a34322SAlberto Garcia opts = [] 164c1a34322SAlberto Garcia self.imgs = [] 165c1a34322SAlberto Garcia 166c1a34322SAlberto Garcia # Initialize file names and command-line options 167c1a34322SAlberto Garcia for i in range(self.num_imgs): 168c1a34322SAlberto Garcia img_depth = self.num_imgs - i - 1 169c1a34322SAlberto Garcia opts.append("backing." * img_depth + "node-name=node%d" % i) 170c1a34322SAlberto Garcia self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) 171c1a34322SAlberto Garcia 172c1a34322SAlberto Garcia # Create all images 173c1a34322SAlberto Garcia iotests.create_image(self.imgs[0], self.image_len) 174c1a34322SAlberto Garcia for i in range(1, self.num_imgs): 175c1a34322SAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, 176c1a34322SAlberto Garcia '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) 177c1a34322SAlberto Garcia 178c1a34322SAlberto Garcia # Put data into the images we are copying data from 179*39eaefceSAlberto Garcia odd_img_indexes = [x for x in reversed(range(self.num_imgs)) if x % 2 == 1] 180*39eaefceSAlberto Garcia for i in range(len(odd_img_indexes)): 181*39eaefceSAlberto Garcia # Alternate between 256KB and 512KB. 182c1a34322SAlberto Garcia # This way jobs will not finish in the same order they were created 183*39eaefceSAlberto Garcia num_kb = 256 + 256 * (i % 2) 184c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, 185*39eaefceSAlberto Garcia '-c', 'write -P 0xFF %dk %dk' % (i * 512, num_kb), 186*39eaefceSAlberto Garcia self.imgs[odd_img_indexes[i]]) 187c1a34322SAlberto Garcia 188c1a34322SAlberto Garcia # Attach the drive to the VM 189c1a34322SAlberto Garcia self.vm = iotests.VM() 190c1a34322SAlberto Garcia self.vm.add_drive(self.imgs[-1], ','.join(opts)) 191c1a34322SAlberto Garcia self.vm.launch() 192c1a34322SAlberto Garcia 193c1a34322SAlberto Garcia def tearDown(self): 194c1a34322SAlberto Garcia self.vm.shutdown() 195c1a34322SAlberto Garcia for img in self.imgs: 196c1a34322SAlberto Garcia os.remove(img) 197c1a34322SAlberto Garcia 198c1a34322SAlberto Garcia # Test that it's possible to run several block-stream operations 199c1a34322SAlberto Garcia # in parallel in the same snapshot chain 200c1a34322SAlberto Garcia def test_stream_parallel(self): 201c1a34322SAlberto Garcia self.assert_no_active_block_jobs() 202c1a34322SAlberto Garcia 203c1a34322SAlberto Garcia # Check that the maps don't match before the streaming operations 204c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 205aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[i]), 206aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[i-1]), 207c1a34322SAlberto Garcia 'image file map matches backing file before streaming') 208c1a34322SAlberto Garcia 209c1a34322SAlberto Garcia # Create all streaming jobs 210c1a34322SAlberto Garcia pending_jobs = [] 211c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 212c1a34322SAlberto Garcia node_name = 'node%d' % i 213c1a34322SAlberto Garcia job_id = 'stream-%s' % node_name 214c1a34322SAlberto Garcia pending_jobs.append(job_id) 215c1a34322SAlberto Garcia result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024) 216c1a34322SAlberto Garcia self.assert_qmp(result, 'return', {}) 217c1a34322SAlberto Garcia 218c1a34322SAlberto Garcia # Wait for all jobs to be finished. 219c1a34322SAlberto Garcia while len(pending_jobs) > 0: 220c1a34322SAlberto Garcia for event in self.vm.get_qmp_events(wait=True): 221c1a34322SAlberto Garcia if event['event'] == 'BLOCK_JOB_COMPLETED': 222c1a34322SAlberto Garcia job_id = self.dictpath(event, 'data/device') 223c1a34322SAlberto Garcia self.assertTrue(job_id in pending_jobs) 224c1a34322SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 225c1a34322SAlberto Garcia pending_jobs.remove(job_id) 226c1a34322SAlberto Garcia 227c1a34322SAlberto Garcia self.assert_no_active_block_jobs() 228c1a34322SAlberto Garcia self.vm.shutdown() 229c1a34322SAlberto Garcia 230c1a34322SAlberto Garcia # Check that all maps match now 231c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 232c1a34322SAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), 233c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), 234c1a34322SAlberto Garcia 'image file map does not match backing file after streaming') 235c1a34322SAlberto Garcia 236eb290b78SAlberto Garcia # Test that it's not possible to perform two block-stream 237eb290b78SAlberto Garcia # operations if there are nodes involved in both. 238eb290b78SAlberto Garcia def test_overlapping_1(self): 239eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 240eb290b78SAlberto Garcia 241eb290b78SAlberto Garcia # Set a speed limit to make sure that this job blocks the rest 242eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4', base=self.imgs[1], speed=1024*1024) 243eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 244eb290b78SAlberto Garcia 245eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node5', job_id='stream-node5', base=self.imgs[2]) 246eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 247eb290b78SAlberto Garcia 248eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3', base=self.imgs[2]) 249eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 250eb290b78SAlberto Garcia 251eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4-v2') 252eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 253eb290b78SAlberto Garcia 254eb290b78SAlberto Garcia # block-commit should also fail if it touches nodes used by the stream job 255eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[4], job_id='commit-node4') 256eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 257eb290b78SAlberto Garcia 258eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[1], top=self.imgs[3], job_id='commit-node1') 259eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 260eb290b78SAlberto Garcia 261eb290b78SAlberto Garcia # This fails because it needs to modify the backing string in node2, which is blocked 262eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[0], top=self.imgs[1], job_id='commit-node0') 263eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 264eb290b78SAlberto Garcia 265eb290b78SAlberto Garcia self.wait_until_completed(drive='stream-node4') 266eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 267eb290b78SAlberto Garcia 268eb290b78SAlberto Garcia # Similar to test_overlapping_1, but with block-commit 269eb290b78SAlberto Garcia # blocking the other jobs 270eb290b78SAlberto Garcia def test_overlapping_2(self): 271eb290b78SAlberto Garcia self.assertLessEqual(9, self.num_imgs) 272eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 273eb290b78SAlberto Garcia 274eb290b78SAlberto Garcia # Set a speed limit to make sure that this job blocks the rest 275eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', top=self.imgs[5], base=self.imgs[3], job_id='commit-node3', speed=1024*1024) 276eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 277eb290b78SAlberto Garcia 278eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3') 279eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 280eb290b78SAlberto Garcia 281eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node6', base=self.imgs[2], job_id='stream-node6') 282eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 283eb290b78SAlberto Garcia 284eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], job_id='stream-node4') 285eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 286eb290b78SAlberto Garcia 287eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node6', base=self.imgs[4], job_id='stream-node6-v2') 288eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 289eb290b78SAlberto Garcia 290eb290b78SAlberto Garcia # This fails because block-commit currently blocks the active layer even if it's not used 291eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=self.imgs[5], job_id='stream-drive0') 292eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 293eb290b78SAlberto Garcia 294eb290b78SAlberto Garcia self.wait_until_completed(drive='commit-node3') 295eb290b78SAlberto Garcia 296eb290b78SAlberto Garcia # Similar to test_overlapping_2, but here block-commit doesn't use the 'top' parameter. 297eb290b78SAlberto Garcia # Internally this uses a mirror block job, hence the separate test case. 298eb290b78SAlberto Garcia def test_overlapping_3(self): 299eb290b78SAlberto Garcia self.assertLessEqual(8, self.num_imgs) 300eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 301eb290b78SAlberto Garcia 302eb290b78SAlberto Garcia # Set a speed limit to make sure that this job blocks the rest 303eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3], job_id='commit-drive0', speed=1024*1024) 304eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 305eb290b78SAlberto Garcia 306eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node5', base=self.imgs[3], job_id='stream-node6') 307eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 308eb290b78SAlberto Garcia 309eb290b78SAlberto Garcia event = self.vm.get_qmp_event(wait=True) 310eb290b78SAlberto Garcia self.assertEqual(event['event'], 'BLOCK_JOB_READY') 311eb290b78SAlberto Garcia self.assert_qmp(event, 'data/device', 'commit-drive0') 312eb290b78SAlberto Garcia self.assert_qmp(event, 'data/type', 'commit') 313eb290b78SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 314eb290b78SAlberto Garcia 315eb290b78SAlberto Garcia result = self.vm.qmp('block-job-complete', device='commit-drive0') 316eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 317eb290b78SAlberto Garcia 318eb290b78SAlberto Garcia self.wait_until_completed(drive='commit-drive0') 319704d59f1SAlberto Garcia 320704d59f1SAlberto Garcia # Test a block-stream and a block-commit job in parallel 321*39eaefceSAlberto Garcia # Here the stream job is supposed to finish quickly in order to reproduce 322*39eaefceSAlberto Garcia # the scenario that triggers the bug fixed in 3d5d319e1221 and 1a63a907507 323*39eaefceSAlberto Garcia def test_stream_commit_1(self): 324704d59f1SAlberto Garcia self.assertLessEqual(8, self.num_imgs) 325704d59f1SAlberto Garcia self.assert_no_active_block_jobs() 326704d59f1SAlberto Garcia 327704d59f1SAlberto Garcia # Stream from node0 into node2 328*39eaefceSAlberto Garcia result = self.vm.qmp('block-stream', device='node2', base_node='node0', job_id='node2') 329704d59f1SAlberto Garcia self.assert_qmp(result, 'return', {}) 330704d59f1SAlberto Garcia 331704d59f1SAlberto Garcia # Commit from the active layer into node3 332704d59f1SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3]) 333704d59f1SAlberto Garcia self.assert_qmp(result, 'return', {}) 334704d59f1SAlberto Garcia 335704d59f1SAlberto Garcia # Wait for all jobs to be finished. 336704d59f1SAlberto Garcia pending_jobs = ['node2', 'drive0'] 337704d59f1SAlberto Garcia while len(pending_jobs) > 0: 338704d59f1SAlberto Garcia for event in self.vm.get_qmp_events(wait=True): 339704d59f1SAlberto Garcia if event['event'] == 'BLOCK_JOB_COMPLETED': 340704d59f1SAlberto Garcia node_name = self.dictpath(event, 'data/device') 341704d59f1SAlberto Garcia self.assertTrue(node_name in pending_jobs) 342704d59f1SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 343704d59f1SAlberto Garcia pending_jobs.remove(node_name) 344704d59f1SAlberto Garcia if event['event'] == 'BLOCK_JOB_READY': 345704d59f1SAlberto Garcia self.assert_qmp(event, 'data/device', 'drive0') 346704d59f1SAlberto Garcia self.assert_qmp(event, 'data/type', 'commit') 347704d59f1SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 348704d59f1SAlberto Garcia self.assertTrue('drive0' in pending_jobs) 349704d59f1SAlberto Garcia self.vm.qmp('block-job-complete', device='drive0') 350704d59f1SAlberto Garcia 351eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 352eb290b78SAlberto Garcia 353*39eaefceSAlberto Garcia # This is similar to test_stream_commit_1 but both jobs are slowed 354*39eaefceSAlberto Garcia # down so they can run in parallel for a little while. 355*39eaefceSAlberto Garcia def test_stream_commit_2(self): 356*39eaefceSAlberto Garcia self.assertLessEqual(8, self.num_imgs) 357*39eaefceSAlberto Garcia self.assert_no_active_block_jobs() 358*39eaefceSAlberto Garcia 359*39eaefceSAlberto Garcia # Stream from node0 into node4 360*39eaefceSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node0', job_id='node4', speed=1024*1024) 361*39eaefceSAlberto Garcia self.assert_qmp(result, 'return', {}) 362*39eaefceSAlberto Garcia 363*39eaefceSAlberto Garcia # Commit from the active layer into node5 364*39eaefceSAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[5], speed=1024*1024) 365*39eaefceSAlberto Garcia self.assert_qmp(result, 'return', {}) 366*39eaefceSAlberto Garcia 367*39eaefceSAlberto Garcia # Wait for all jobs to be finished. 368*39eaefceSAlberto Garcia pending_jobs = ['node4', 'drive0'] 369*39eaefceSAlberto Garcia while len(pending_jobs) > 0: 370*39eaefceSAlberto Garcia for event in self.vm.get_qmp_events(wait=True): 371*39eaefceSAlberto Garcia if event['event'] == 'BLOCK_JOB_COMPLETED': 372*39eaefceSAlberto Garcia node_name = self.dictpath(event, 'data/device') 373*39eaefceSAlberto Garcia self.assertTrue(node_name in pending_jobs) 374*39eaefceSAlberto Garcia self.assert_qmp_absent(event, 'data/error') 375*39eaefceSAlberto Garcia pending_jobs.remove(node_name) 376*39eaefceSAlberto Garcia if event['event'] == 'BLOCK_JOB_READY': 377*39eaefceSAlberto Garcia self.assert_qmp(event, 'data/device', 'drive0') 378*39eaefceSAlberto Garcia self.assert_qmp(event, 'data/type', 'commit') 379*39eaefceSAlberto Garcia self.assert_qmp_absent(event, 'data/error') 380*39eaefceSAlberto Garcia self.assertTrue('drive0' in pending_jobs) 381*39eaefceSAlberto Garcia self.vm.qmp('block-job-complete', device='drive0') 382*39eaefceSAlberto Garcia 383*39eaefceSAlberto Garcia self.assert_no_active_block_jobs() 384*39eaefceSAlberto Garcia 3857eb13c9dSAlberto Garcia # Test the base_node parameter 3867eb13c9dSAlberto Garcia def test_stream_base_node_name(self): 3877eb13c9dSAlberto Garcia self.assert_no_active_block_jobs() 3887eb13c9dSAlberto Garcia 389aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[4]), 390aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[3]), 3917eb13c9dSAlberto Garcia 'image file map matches backing file before streaming') 3927eb13c9dSAlberto Garcia 3937eb13c9dSAlberto Garcia # Error: the base node does not exist 3947eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='none', job_id='stream') 3957eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 3967eb13c9dSAlberto Garcia 3977eb13c9dSAlberto Garcia # Error: the base node is not a backing file of the top node 3987eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node6', job_id='stream') 3997eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 4007eb13c9dSAlberto Garcia 4017eb13c9dSAlberto Garcia # Error: the base node is the same as the top node 4027eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node4', job_id='stream') 4037eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 4047eb13c9dSAlberto Garcia 4057eb13c9dSAlberto Garcia # Error: cannot specify 'base' and 'base-node' at the same time 4067eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], base_node='node2', job_id='stream') 4077eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 4087eb13c9dSAlberto Garcia 4097eb13c9dSAlberto Garcia # Success: the base node is a backing file of the top node 4107eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node2', job_id='stream') 4117eb13c9dSAlberto Garcia self.assert_qmp(result, 'return', {}) 4127eb13c9dSAlberto Garcia 4137eb13c9dSAlberto Garcia self.wait_until_completed(drive='stream') 4147eb13c9dSAlberto Garcia 4157eb13c9dSAlberto Garcia self.assert_no_active_block_jobs() 4167eb13c9dSAlberto Garcia self.vm.shutdown() 4177eb13c9dSAlberto Garcia 4187eb13c9dSAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), 4197eb13c9dSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), 4207eb13c9dSAlberto Garcia 'image file map matches backing file after streaming') 4217eb13c9dSAlberto Garcia 42248361afbSAlberto Garciaclass TestQuorum(iotests.QMPTestCase): 42348361afbSAlberto Garcia num_children = 3 42448361afbSAlberto Garcia children = [] 42548361afbSAlberto Garcia backing = [] 42648361afbSAlberto Garcia 42748361afbSAlberto Garcia def setUp(self): 42848361afbSAlberto Garcia opts = ['driver=quorum', 'vote-threshold=2'] 42948361afbSAlberto Garcia 43048361afbSAlberto Garcia # Initialize file names and command-line options 43148361afbSAlberto Garcia for i in range(self.num_children): 43248361afbSAlberto Garcia child_img = os.path.join(iotests.test_dir, 'img-%d.img' % i) 43348361afbSAlberto Garcia backing_img = os.path.join(iotests.test_dir, 'backing-%d.img' % i) 43448361afbSAlberto Garcia self.children.append(child_img) 43548361afbSAlberto Garcia self.backing.append(backing_img) 43648361afbSAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M') 43748361afbSAlberto Garcia qemu_io('-f', iotests.imgfmt, 43848361afbSAlberto Garcia '-c', 'write -P 0x55 0 1024', backing_img) 43948361afbSAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, 44048361afbSAlberto Garcia '-o', 'backing_file=%s' % backing_img, child_img) 44148361afbSAlberto Garcia opts.append("children.%d.file.filename=%s" % (i, child_img)) 44248361afbSAlberto Garcia opts.append("children.%d.node-name=node%d" % (i, i)) 44348361afbSAlberto Garcia 44448361afbSAlberto Garcia # Attach the drive to the VM 44548361afbSAlberto Garcia self.vm = iotests.VM() 44648361afbSAlberto Garcia self.vm.add_drive(path = None, opts = ','.join(opts)) 44748361afbSAlberto Garcia self.vm.launch() 44848361afbSAlberto Garcia 44948361afbSAlberto Garcia def tearDown(self): 45048361afbSAlberto Garcia self.vm.shutdown() 45148361afbSAlberto Garcia for img in self.children: 45248361afbSAlberto Garcia os.remove(img) 45348361afbSAlberto Garcia for img in self.backing: 45448361afbSAlberto Garcia os.remove(img) 45548361afbSAlberto Garcia 45648361afbSAlberto Garcia def test_stream_quorum(self): 45748361afbSAlberto Garcia if not iotests.supports_quorum(): 45848361afbSAlberto Garcia return 45948361afbSAlberto Garcia 460aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.children[0]), 461aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.backing[0]), 46248361afbSAlberto Garcia 'image file map matches backing file before streaming') 46348361afbSAlberto Garcia 46448361afbSAlberto Garcia self.assert_no_active_block_jobs() 46548361afbSAlberto Garcia 46648361afbSAlberto Garcia result = self.vm.qmp('block-stream', device='node0', job_id='stream-node0') 46748361afbSAlberto Garcia self.assert_qmp(result, 'return', {}) 46848361afbSAlberto Garcia 46948361afbSAlberto Garcia self.wait_until_completed(drive='stream-node0') 47048361afbSAlberto Garcia 47148361afbSAlberto Garcia self.assert_no_active_block_jobs() 47248361afbSAlberto Garcia self.vm.shutdown() 47348361afbSAlberto Garcia 47448361afbSAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), 47548361afbSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), 47648361afbSAlberto Garcia 'image file map does not match backing file after streaming') 47748361afbSAlberto Garcia 4782499a096SStefan Hajnocziclass TestSmallerBackingFile(iotests.QMPTestCase): 479774a8850SStefan Hajnoczi backing_len = 1 * 1024 * 1024 # MB 480774a8850SStefan Hajnoczi image_len = 2 * backing_len 481774a8850SStefan Hajnoczi 482774a8850SStefan Hajnoczi def setUp(self): 4832499a096SStefan Hajnoczi iotests.create_image(backing_img, self.backing_len) 484774a8850SStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) 485774a8850SStefan Hajnoczi self.vm = iotests.VM().add_drive(test_img) 486774a8850SStefan Hajnoczi self.vm.launch() 487774a8850SStefan Hajnoczi 488774a8850SStefan Hajnoczi # If this hangs, then you are missing a fix to complete streaming when the 489774a8850SStefan Hajnoczi # end of the backing file is reached. 490774a8850SStefan Hajnoczi def test_stream(self): 491ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 492774a8850SStefan Hajnoczi 493774a8850SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 494774a8850SStefan Hajnoczi self.assert_qmp(result, 'return', {}) 495774a8850SStefan Hajnoczi 4969974ad40SFam Zheng self.wait_until_completed() 497774a8850SStefan Hajnoczi 498ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 499774a8850SStefan Hajnoczi self.vm.shutdown() 500774a8850SStefan Hajnoczi 5012499a096SStefan Hajnocziclass TestErrors(iotests.QMPTestCase): 50290f0b711SPaolo Bonzini image_len = 2 * 1024 * 1024 # MB 50390f0b711SPaolo Bonzini 50490f0b711SPaolo Bonzini # this should match STREAM_BUFFER_SIZE/512 in block/stream.c 50590f0b711SPaolo Bonzini STREAM_BUFFER_SIZE = 512 * 1024 50690f0b711SPaolo Bonzini 50790f0b711SPaolo Bonzini def create_blkdebug_file(self, name, event, errno): 50890f0b711SPaolo Bonzini file = open(name, 'w') 50990f0b711SPaolo Bonzini file.write(''' 51090f0b711SPaolo Bonzini[inject-error] 51190f0b711SPaolo Bonzinistate = "1" 51290f0b711SPaolo Bonzinievent = "%s" 51390f0b711SPaolo Bonzinierrno = "%d" 51490f0b711SPaolo Bonziniimmediately = "off" 51590f0b711SPaolo Bonzinionce = "on" 51690f0b711SPaolo Bonzinisector = "%d" 51790f0b711SPaolo Bonzini 51890f0b711SPaolo Bonzini[set-state] 51990f0b711SPaolo Bonzinistate = "1" 52090f0b711SPaolo Bonzinievent = "%s" 52190f0b711SPaolo Bonzininew_state = "2" 52290f0b711SPaolo Bonzini 52390f0b711SPaolo Bonzini[set-state] 52490f0b711SPaolo Bonzinistate = "2" 52590f0b711SPaolo Bonzinievent = "%s" 52690f0b711SPaolo Bonzininew_state = "1" 52790f0b711SPaolo Bonzini''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) 52890f0b711SPaolo Bonzini file.close() 52990f0b711SPaolo Bonzini 53090f0b711SPaolo Bonziniclass TestEIO(TestErrors): 53190f0b711SPaolo Bonzini def setUp(self): 53290f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 5332499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 53490f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) 53590f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 53690f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 53790f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 53890f0b711SPaolo Bonzini test_img) 53990f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 54090f0b711SPaolo Bonzini self.vm.launch() 54190f0b711SPaolo Bonzini 54290f0b711SPaolo Bonzini def tearDown(self): 54390f0b711SPaolo Bonzini self.vm.shutdown() 54490f0b711SPaolo Bonzini os.remove(test_img) 54590f0b711SPaolo Bonzini os.remove(backing_img) 54690f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 54790f0b711SPaolo Bonzini 54890f0b711SPaolo Bonzini def test_report(self): 549ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 55090f0b711SPaolo Bonzini 55190f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0') 55290f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 55390f0b711SPaolo Bonzini 55490f0b711SPaolo Bonzini completed = False 55590f0b711SPaolo Bonzini error = False 55690f0b711SPaolo Bonzini while not completed: 55790f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 55890f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 55990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 56090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 56190f0b711SPaolo Bonzini error = True 56290f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 56390f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 56490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 56590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 56690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 56790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 56890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 56990f0b711SPaolo Bonzini completed = True 57090f0b711SPaolo Bonzini 571ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 57290f0b711SPaolo Bonzini self.vm.shutdown() 57390f0b711SPaolo Bonzini 57490f0b711SPaolo Bonzini def test_ignore(self): 575ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 57690f0b711SPaolo Bonzini 57790f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') 57890f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 57990f0b711SPaolo Bonzini 58090f0b711SPaolo Bonzini error = False 58190f0b711SPaolo Bonzini completed = False 58290f0b711SPaolo Bonzini while not completed: 58390f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 58490f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 5852c3b44daSJohn Snow error = True 58690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 58790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 58890f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 5892c3b44daSJohn Snow if result == {'return': []}: 5902c3b44daSJohn Snow # Job finished too quickly 5912c3b44daSJohn Snow continue 59290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 59390f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 59490f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 59590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 59690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 59790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 59890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 59990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 60090f0b711SPaolo Bonzini completed = True 60190f0b711SPaolo Bonzini 602ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 60390f0b711SPaolo Bonzini self.vm.shutdown() 60490f0b711SPaolo Bonzini 60590f0b711SPaolo Bonzini def test_stop(self): 606ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 60790f0b711SPaolo Bonzini 60890f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='stop') 60990f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 61090f0b711SPaolo Bonzini 61190f0b711SPaolo Bonzini error = False 61290f0b711SPaolo Bonzini completed = False 61390f0b711SPaolo Bonzini while not completed: 61490f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 61590f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 61601809194SJohn Snow error = True 61790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 61890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 61990f0b711SPaolo Bonzini 62090f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 62190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 62290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 62390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'failed') 62490f0b711SPaolo Bonzini 62590f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 62690f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 62790f0b711SPaolo Bonzini 62890f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 62901809194SJohn Snow if result == {'return': []}: 63001809194SJohn Snow # Race; likely already finished. Check. 63101809194SJohn Snow continue 63290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 63390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 63490f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 63590f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 63690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 63790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 63890f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 63990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 64090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 64190f0b711SPaolo Bonzini completed = True 64290f0b711SPaolo Bonzini 643ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 64490f0b711SPaolo Bonzini self.vm.shutdown() 64590f0b711SPaolo Bonzini 64690f0b711SPaolo Bonzini def test_enospc(self): 647ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 64890f0b711SPaolo Bonzini 64990f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 65090f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 65190f0b711SPaolo Bonzini 65290f0b711SPaolo Bonzini completed = False 65390f0b711SPaolo Bonzini error = False 65490f0b711SPaolo Bonzini while not completed: 65590f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 65690f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 65790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 65890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 65990f0b711SPaolo Bonzini error = True 66090f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 66190f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 66290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 66390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 66490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 66590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 66690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 66790f0b711SPaolo Bonzini completed = True 66890f0b711SPaolo Bonzini 669ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 67090f0b711SPaolo Bonzini self.vm.shutdown() 67190f0b711SPaolo Bonzini 67290f0b711SPaolo Bonziniclass TestENOSPC(TestErrors): 67390f0b711SPaolo Bonzini def setUp(self): 67490f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 6752499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 67690f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) 67790f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 67890f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 67990f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 68090f0b711SPaolo Bonzini test_img) 68190f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 68290f0b711SPaolo Bonzini self.vm.launch() 68390f0b711SPaolo Bonzini 68490f0b711SPaolo Bonzini def tearDown(self): 68590f0b711SPaolo Bonzini self.vm.shutdown() 68690f0b711SPaolo Bonzini os.remove(test_img) 68790f0b711SPaolo Bonzini os.remove(backing_img) 68890f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 68990f0b711SPaolo Bonzini 69090f0b711SPaolo Bonzini def test_enospc(self): 691ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 69290f0b711SPaolo Bonzini 69390f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 69490f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 69590f0b711SPaolo Bonzini 69690f0b711SPaolo Bonzini error = False 69790f0b711SPaolo Bonzini completed = False 69890f0b711SPaolo Bonzini while not completed: 69990f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 70090f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 70190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 70290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 703dca9b6a2SMax Reitz error = True 70490f0b711SPaolo Bonzini 70590f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 70690f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 70790f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 70890f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'nospace') 70990f0b711SPaolo Bonzini 71090f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 71190f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 71290f0b711SPaolo Bonzini 71390f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 714dca9b6a2SMax Reitz if result == {'return': []}: 715dca9b6a2SMax Reitz # Race; likely already finished. Check. 716dca9b6a2SMax Reitz continue 71790f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 71890f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 71990f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 72090f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 72190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 72290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 72390f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 72490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 72590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 72690f0b711SPaolo Bonzini completed = True 72790f0b711SPaolo Bonzini 728ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 72990f0b711SPaolo Bonzini self.vm.shutdown() 730774a8850SStefan Hajnoczi 7312499a096SStefan Hajnocziclass TestStreamStop(iotests.QMPTestCase): 73237ce63ebSStefan Hajnoczi image_len = 8 * 1024 * 1024 * 1024 # GB 73337ce63ebSStefan Hajnoczi 73437ce63ebSStefan Hajnoczi def setUp(self): 73537ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestStreamStop.image_len)) 73690c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 73737ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 73890c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 739b59b3d57SFam Zheng self.vm = iotests.VM().add_drive("blkdebug::" + test_img) 74037ce63ebSStefan Hajnoczi self.vm.launch() 74137ce63ebSStefan Hajnoczi 74237ce63ebSStefan Hajnoczi def tearDown(self): 74337ce63ebSStefan Hajnoczi self.vm.shutdown() 74437ce63ebSStefan Hajnoczi os.remove(test_img) 74537ce63ebSStefan Hajnoczi os.remove(backing_img) 74637ce63ebSStefan Hajnoczi 74737ce63ebSStefan Hajnoczi def test_stream_stop(self): 748ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 74937ce63ebSStefan Hajnoczi 750b59b3d57SFam Zheng self.vm.pause_drive('drive0') 751db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 75237ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 75337ce63ebSStefan Hajnoczi 7540fd05e8dSPaolo Bonzini time.sleep(0.1) 75537ce63ebSStefan Hajnoczi events = self.vm.get_qmp_events(wait=False) 75637ce63ebSStefan Hajnoczi self.assertEqual(events, [], 'unexpected QMP event: %s' % events) 75737ce63ebSStefan Hajnoczi 758b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 75937ce63ebSStefan Hajnoczi 7602499a096SStefan Hajnocziclass TestSetSpeed(iotests.QMPTestCase): 76137ce63ebSStefan Hajnoczi image_len = 80 * 1024 * 1024 # MB 76237ce63ebSStefan Hajnoczi 76337ce63ebSStefan Hajnoczi def setUp(self): 76437ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestSetSpeed.image_len)) 76590c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 76637ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 76790c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 768b59b3d57SFam Zheng self.vm = iotests.VM().add_drive('blkdebug::' + test_img) 76937ce63ebSStefan Hajnoczi self.vm.launch() 77037ce63ebSStefan Hajnoczi 77137ce63ebSStefan Hajnoczi def tearDown(self): 77237ce63ebSStefan Hajnoczi self.vm.shutdown() 77337ce63ebSStefan Hajnoczi os.remove(test_img) 77437ce63ebSStefan Hajnoczi os.remove(backing_img) 77537ce63ebSStefan Hajnoczi 776e425306aSStefan Hajnoczi # This is a short performance test which is not run by default. 777e425306aSStefan Hajnoczi # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" 778e425306aSStefan Hajnoczi def perf_test_throughput(self): 779ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 78037ce63ebSStefan Hajnoczi 781db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 78237ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 78337ce63ebSStefan Hajnoczi 784e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 78537ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 78637ce63ebSStefan Hajnoczi 7879974ad40SFam Zheng self.wait_until_completed() 78837ce63ebSStefan Hajnoczi 789ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 79037ce63ebSStefan Hajnoczi 791e425306aSStefan Hajnoczi def test_set_speed(self): 792ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 793e425306aSStefan Hajnoczi 794b59b3d57SFam Zheng self.vm.pause_drive('drive0') 795e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 796e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 797e425306aSStefan Hajnoczi 798e425306aSStefan Hajnoczi # Default speed is 0 799e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 800e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 801e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 0) 802e425306aSStefan Hajnoczi 803e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 804e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 805e425306aSStefan Hajnoczi 806e425306aSStefan Hajnoczi # Ensure the speed we set was accepted 807e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 808e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 809e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) 810e425306aSStefan Hajnoczi 811b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 812b59b3d57SFam Zheng self.vm.pause_drive('drive0') 813e425306aSStefan Hajnoczi 814e425306aSStefan Hajnoczi # Check setting speed in block-stream works 815e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) 816e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 817e425306aSStefan Hajnoczi 818e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 819e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 820e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) 821e425306aSStefan Hajnoczi 822b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 823e425306aSStefan Hajnoczi 824e425306aSStefan Hajnoczi def test_set_speed_invalid(self): 825ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 826e425306aSStefan Hajnoczi 827e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=-1) 82858c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 829e425306aSStefan Hajnoczi 830ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 831e425306aSStefan Hajnoczi 832dca9b6a2SMax Reitz self.vm.pause_drive('drive0') 833e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 834e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 835e425306aSStefan Hajnoczi 836e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) 83758c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 838e425306aSStefan Hajnoczi 839dca9b6a2SMax Reitz self.cancel_and_wait(resume=True) 840e425306aSStefan Hajnoczi 84137ce63ebSStefan Hajnocziif __name__ == '__main__': 84237ce63ebSStefan Hajnoczi iotests.main(supported_fmts=['qcow2', 'qed']) 843