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 920c817347SPaolo Bonzini time.sleep(1) 930c817347SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 940c817347SPaolo Bonzini offset = self.dictpath(result, 'return[0]/offset') 950c817347SPaolo Bonzini 960c817347SPaolo Bonzini time.sleep(1) 970c817347SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 980c817347SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', offset) 990c817347SPaolo Bonzini 1000c817347SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 1010c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 1020c817347SPaolo Bonzini 103b59b3d57SFam Zheng self.vm.resume_drive('drive0') 1049974ad40SFam Zheng self.wait_until_completed() 1050c817347SPaolo Bonzini 106ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1070c817347SPaolo Bonzini self.vm.shutdown() 1080c817347SPaolo Bonzini 10990c9b167SKevin Wolf self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 11090c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 1110c817347SPaolo Bonzini 'image file map does not match backing file after streaming') 1120c817347SPaolo Bonzini 113409d5498SAlberto Garcia def test_stream_no_op(self): 114409d5498SAlberto Garcia self.assert_no_active_block_jobs() 115409d5498SAlberto Garcia 116409d5498SAlberto Garcia # The image map is empty before the operation 117aca7063aSFam Zheng empty_map = qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', test_img) 118409d5498SAlberto Garcia 119409d5498SAlberto Garcia # This is a no-op: no data should ever be copied from the base image 120409d5498SAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=mid_img) 121409d5498SAlberto Garcia self.assert_qmp(result, 'return', {}) 122409d5498SAlberto Garcia 123409d5498SAlberto Garcia self.wait_until_completed() 124409d5498SAlberto Garcia 125409d5498SAlberto Garcia self.assert_no_active_block_jobs() 126409d5498SAlberto Garcia self.vm.shutdown() 127409d5498SAlberto Garcia 128409d5498SAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 129409d5498SAlberto Garcia empty_map, 'image file map changed after a no-op') 130409d5498SAlberto Garcia 1316e343609SPaolo Bonzini def test_stream_partial(self): 132ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1336e343609SPaolo Bonzini 1345e302a7dSAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=backing_img) 1356e343609SPaolo Bonzini self.assert_qmp(result, 'return', {}) 1366e343609SPaolo Bonzini 1379974ad40SFam Zheng self.wait_until_completed() 1386e343609SPaolo Bonzini 139ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1406e343609SPaolo Bonzini self.vm.shutdown() 1416e343609SPaolo Bonzini 14290c9b167SKevin Wolf self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 14390c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 1446e343609SPaolo Bonzini 'image file map does not match backing file after streaming') 1456e343609SPaolo Bonzini 14637ce63ebSStefan Hajnoczi def test_device_not_found(self): 147db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='nonexistent') 148b6c1bae5SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 14937ce63ebSStefan Hajnoczi 150*0bb0aea4SKevin Wolf def test_job_id_missing(self): 151*0bb0aea4SKevin Wolf result = self.vm.qmp('block-stream', device='mid') 152*0bb0aea4SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 153*0bb0aea4SKevin Wolf 154774a8850SStefan Hajnoczi 155c1a34322SAlberto Garciaclass TestParallelOps(iotests.QMPTestCase): 156c1a34322SAlberto Garcia num_ops = 4 # Number of parallel block-stream operations 157c1a34322SAlberto Garcia num_imgs = num_ops * 2 + 1 158c1a34322SAlberto Garcia image_len = num_ops * 1024 * 1024 159c1a34322SAlberto Garcia imgs = [] 160c1a34322SAlberto Garcia 161c1a34322SAlberto Garcia def setUp(self): 162c1a34322SAlberto Garcia opts = [] 163c1a34322SAlberto Garcia self.imgs = [] 164c1a34322SAlberto Garcia 165c1a34322SAlberto Garcia # Initialize file names and command-line options 166c1a34322SAlberto Garcia for i in range(self.num_imgs): 167c1a34322SAlberto Garcia img_depth = self.num_imgs - i - 1 168c1a34322SAlberto Garcia opts.append("backing." * img_depth + "node-name=node%d" % i) 169c1a34322SAlberto Garcia self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) 170c1a34322SAlberto Garcia 171c1a34322SAlberto Garcia # Create all images 172c1a34322SAlberto Garcia iotests.create_image(self.imgs[0], self.image_len) 173c1a34322SAlberto Garcia for i in range(1, self.num_imgs): 174c1a34322SAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, 175c1a34322SAlberto Garcia '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) 176c1a34322SAlberto Garcia 177c1a34322SAlberto Garcia # Put data into the images we are copying data from 178c1a34322SAlberto Garcia for i in range(self.num_imgs / 2): 179c1a34322SAlberto Garcia img_index = i * 2 + 1 180c1a34322SAlberto Garcia # Alternate between 512k and 1M. 181c1a34322SAlberto Garcia # This way jobs will not finish in the same order they were created 182c1a34322SAlberto Garcia num_kb = 512 + 512 * (i % 2) 183c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, 184c1a34322SAlberto Garcia '-c', 'write -P %d %d %d' % (i, i*1024*1024, num_kb * 1024), 185c1a34322SAlberto Garcia self.imgs[img_index]) 186c1a34322SAlberto Garcia 187c1a34322SAlberto Garcia # Attach the drive to the VM 188c1a34322SAlberto Garcia self.vm = iotests.VM() 189c1a34322SAlberto Garcia self.vm.add_drive(self.imgs[-1], ','.join(opts)) 190c1a34322SAlberto Garcia self.vm.launch() 191c1a34322SAlberto Garcia 192c1a34322SAlberto Garcia def tearDown(self): 193c1a34322SAlberto Garcia self.vm.shutdown() 194c1a34322SAlberto Garcia for img in self.imgs: 195c1a34322SAlberto Garcia os.remove(img) 196c1a34322SAlberto Garcia 197c1a34322SAlberto Garcia # Test that it's possible to run several block-stream operations 198c1a34322SAlberto Garcia # in parallel in the same snapshot chain 199c1a34322SAlberto Garcia def test_stream_parallel(self): 200c1a34322SAlberto Garcia self.assert_no_active_block_jobs() 201c1a34322SAlberto Garcia 202c1a34322SAlberto Garcia # Check that the maps don't match before the streaming operations 203c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 204aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[i]), 205aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[i-1]), 206c1a34322SAlberto Garcia 'image file map matches backing file before streaming') 207c1a34322SAlberto Garcia 208c1a34322SAlberto Garcia # Create all streaming jobs 209c1a34322SAlberto Garcia pending_jobs = [] 210c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 211c1a34322SAlberto Garcia node_name = 'node%d' % i 212c1a34322SAlberto Garcia job_id = 'stream-%s' % node_name 213c1a34322SAlberto Garcia pending_jobs.append(job_id) 214c1a34322SAlberto Garcia result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024) 215c1a34322SAlberto Garcia self.assert_qmp(result, 'return', {}) 216c1a34322SAlberto Garcia 217c1a34322SAlberto Garcia # Wait for all jobs to be finished. 218c1a34322SAlberto Garcia while len(pending_jobs) > 0: 219c1a34322SAlberto Garcia for event in self.vm.get_qmp_events(wait=True): 220c1a34322SAlberto Garcia if event['event'] == 'BLOCK_JOB_COMPLETED': 221c1a34322SAlberto Garcia job_id = self.dictpath(event, 'data/device') 222c1a34322SAlberto Garcia self.assertTrue(job_id in pending_jobs) 223c1a34322SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 224c1a34322SAlberto Garcia pending_jobs.remove(job_id) 225c1a34322SAlberto Garcia 226c1a34322SAlberto Garcia self.assert_no_active_block_jobs() 227c1a34322SAlberto Garcia self.vm.shutdown() 228c1a34322SAlberto Garcia 229c1a34322SAlberto Garcia # Check that all maps match now 230c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 231c1a34322SAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), 232c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), 233c1a34322SAlberto Garcia 'image file map does not match backing file after streaming') 234c1a34322SAlberto Garcia 235eb290b78SAlberto Garcia # Test that it's not possible to perform two block-stream 236eb290b78SAlberto Garcia # operations if there are nodes involved in both. 237eb290b78SAlberto Garcia def test_overlapping_1(self): 238eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 239eb290b78SAlberto Garcia 240eb290b78SAlberto Garcia # Set a speed limit to make sure that this job blocks the rest 241eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4', base=self.imgs[1], speed=1024*1024) 242eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 243eb290b78SAlberto Garcia 244eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node5', job_id='stream-node5', base=self.imgs[2]) 245eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 246eb290b78SAlberto Garcia 247eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3', base=self.imgs[2]) 248eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 249eb290b78SAlberto Garcia 250eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node4', job_id='stream-node4-v2') 251eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 252eb290b78SAlberto Garcia 253eb290b78SAlberto Garcia # block-commit should also fail if it touches nodes used by the stream job 254eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[4], job_id='commit-node4') 255eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 256eb290b78SAlberto Garcia 257eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[1], top=self.imgs[3], job_id='commit-node1') 258eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 259eb290b78SAlberto Garcia 260eb290b78SAlberto Garcia # This fails because it needs to modify the backing string in node2, which is blocked 261eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[0], top=self.imgs[1], job_id='commit-node0') 262eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 263eb290b78SAlberto Garcia 264eb290b78SAlberto Garcia self.wait_until_completed(drive='stream-node4') 265eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 266eb290b78SAlberto Garcia 267eb290b78SAlberto Garcia # Similar to test_overlapping_1, but with block-commit 268eb290b78SAlberto Garcia # blocking the other jobs 269eb290b78SAlberto Garcia def test_overlapping_2(self): 270eb290b78SAlberto Garcia self.assertLessEqual(9, self.num_imgs) 271eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 272eb290b78SAlberto Garcia 273eb290b78SAlberto Garcia # Set a speed limit to make sure that this job blocks the rest 274eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', top=self.imgs[5], base=self.imgs[3], job_id='commit-node3', speed=1024*1024) 275eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 276eb290b78SAlberto Garcia 277eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node3', job_id='stream-node3') 278eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 279eb290b78SAlberto Garcia 280eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node6', base=self.imgs[2], job_id='stream-node6') 281eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 282eb290b78SAlberto Garcia 283eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], job_id='stream-node4') 284eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 285eb290b78SAlberto Garcia 286eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node6', base=self.imgs[4], job_id='stream-node6-v2') 287eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 288eb290b78SAlberto Garcia 289eb290b78SAlberto Garcia # This fails because block-commit needs to block node6, the overlay of the 'top' image 290eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node7', base=self.imgs[5], job_id='stream-node6-v3') 291eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 292eb290b78SAlberto Garcia 293eb290b78SAlberto Garcia # This fails because block-commit currently blocks the active layer even if it's not used 294eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=self.imgs[5], job_id='stream-drive0') 295eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 296eb290b78SAlberto Garcia 297eb290b78SAlberto Garcia self.wait_until_completed(drive='commit-node3') 298eb290b78SAlberto Garcia 299eb290b78SAlberto Garcia # Similar to test_overlapping_2, but here block-commit doesn't use the 'top' parameter. 300eb290b78SAlberto Garcia # Internally this uses a mirror block job, hence the separate test case. 301eb290b78SAlberto Garcia def test_overlapping_3(self): 302eb290b78SAlberto Garcia self.assertLessEqual(8, self.num_imgs) 303eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 304eb290b78SAlberto Garcia 305eb290b78SAlberto Garcia # Set a speed limit to make sure that this job blocks the rest 306eb290b78SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3], job_id='commit-drive0', speed=1024*1024) 307eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 308eb290b78SAlberto Garcia 309eb290b78SAlberto Garcia result = self.vm.qmp('block-stream', device='node5', base=self.imgs[3], job_id='stream-node6') 310eb290b78SAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 311eb290b78SAlberto Garcia 312eb290b78SAlberto Garcia event = self.vm.get_qmp_event(wait=True) 313eb290b78SAlberto Garcia self.assertEqual(event['event'], 'BLOCK_JOB_READY') 314eb290b78SAlberto Garcia self.assert_qmp(event, 'data/device', 'commit-drive0') 315eb290b78SAlberto Garcia self.assert_qmp(event, 'data/type', 'commit') 316eb290b78SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 317eb290b78SAlberto Garcia 318eb290b78SAlberto Garcia result = self.vm.qmp('block-job-complete', device='commit-drive0') 319eb290b78SAlberto Garcia self.assert_qmp(result, 'return', {}) 320eb290b78SAlberto Garcia 321eb290b78SAlberto Garcia self.wait_until_completed(drive='commit-drive0') 322704d59f1SAlberto Garcia 323704d59f1SAlberto Garcia # Test a block-stream and a block-commit job in parallel 324704d59f1SAlberto Garcia def test_stream_commit(self): 325704d59f1SAlberto Garcia self.assertLessEqual(8, self.num_imgs) 326704d59f1SAlberto Garcia self.assert_no_active_block_jobs() 327704d59f1SAlberto Garcia 328704d59f1SAlberto Garcia # Stream from node0 into node2 329704d59f1SAlberto Garcia result = self.vm.qmp('block-stream', device='node2', job_id='node2') 330704d59f1SAlberto Garcia self.assert_qmp(result, 'return', {}) 331704d59f1SAlberto Garcia 332704d59f1SAlberto Garcia # Commit from the active layer into node3 333704d59f1SAlberto Garcia result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[3]) 334704d59f1SAlberto Garcia self.assert_qmp(result, 'return', {}) 335704d59f1SAlberto Garcia 336704d59f1SAlberto Garcia # Wait for all jobs to be finished. 337704d59f1SAlberto Garcia pending_jobs = ['node2', 'drive0'] 338704d59f1SAlberto Garcia while len(pending_jobs) > 0: 339704d59f1SAlberto Garcia for event in self.vm.get_qmp_events(wait=True): 340704d59f1SAlberto Garcia if event['event'] == 'BLOCK_JOB_COMPLETED': 341704d59f1SAlberto Garcia node_name = self.dictpath(event, 'data/device') 342704d59f1SAlberto Garcia self.assertTrue(node_name in pending_jobs) 343704d59f1SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 344704d59f1SAlberto Garcia pending_jobs.remove(node_name) 345704d59f1SAlberto Garcia if event['event'] == 'BLOCK_JOB_READY': 346704d59f1SAlberto Garcia self.assert_qmp(event, 'data/device', 'drive0') 347704d59f1SAlberto Garcia self.assert_qmp(event, 'data/type', 'commit') 348704d59f1SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 349704d59f1SAlberto Garcia self.assertTrue('drive0' in pending_jobs) 350704d59f1SAlberto Garcia self.vm.qmp('block-job-complete', device='drive0') 351704d59f1SAlberto Garcia 352eb290b78SAlberto Garcia self.assert_no_active_block_jobs() 353eb290b78SAlberto Garcia 3547eb13c9dSAlberto Garcia # Test the base_node parameter 3557eb13c9dSAlberto Garcia def test_stream_base_node_name(self): 3567eb13c9dSAlberto Garcia self.assert_no_active_block_jobs() 3577eb13c9dSAlberto Garcia 358aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[4]), 359aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.imgs[3]), 3607eb13c9dSAlberto Garcia 'image file map matches backing file before streaming') 3617eb13c9dSAlberto Garcia 3627eb13c9dSAlberto Garcia # Error: the base node does not exist 3637eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='none', job_id='stream') 3647eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 3657eb13c9dSAlberto Garcia 3667eb13c9dSAlberto Garcia # Error: the base node is not a backing file of the top node 3677eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node6', job_id='stream') 3687eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 3697eb13c9dSAlberto Garcia 3707eb13c9dSAlberto Garcia # Error: the base node is the same as the top node 3717eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node4', job_id='stream') 3727eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 3737eb13c9dSAlberto Garcia 3747eb13c9dSAlberto Garcia # Error: cannot specify 'base' and 'base-node' at the same time 3757eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base=self.imgs[2], base_node='node2', job_id='stream') 3767eb13c9dSAlberto Garcia self.assert_qmp(result, 'error/class', 'GenericError') 3777eb13c9dSAlberto Garcia 3787eb13c9dSAlberto Garcia # Success: the base node is a backing file of the top node 3797eb13c9dSAlberto Garcia result = self.vm.qmp('block-stream', device='node4', base_node='node2', job_id='stream') 3807eb13c9dSAlberto Garcia self.assert_qmp(result, 'return', {}) 3817eb13c9dSAlberto Garcia 3827eb13c9dSAlberto Garcia self.wait_until_completed(drive='stream') 3837eb13c9dSAlberto Garcia 3847eb13c9dSAlberto Garcia self.assert_no_active_block_jobs() 3857eb13c9dSAlberto Garcia self.vm.shutdown() 3867eb13c9dSAlberto Garcia 3877eb13c9dSAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[4]), 3887eb13c9dSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[3]), 3897eb13c9dSAlberto Garcia 'image file map matches backing file after streaming') 3907eb13c9dSAlberto Garcia 39148361afbSAlberto Garciaclass TestQuorum(iotests.QMPTestCase): 39248361afbSAlberto Garcia num_children = 3 39348361afbSAlberto Garcia children = [] 39448361afbSAlberto Garcia backing = [] 39548361afbSAlberto Garcia 39648361afbSAlberto Garcia def setUp(self): 39748361afbSAlberto Garcia opts = ['driver=quorum', 'vote-threshold=2'] 39848361afbSAlberto Garcia 39948361afbSAlberto Garcia # Initialize file names and command-line options 40048361afbSAlberto Garcia for i in range(self.num_children): 40148361afbSAlberto Garcia child_img = os.path.join(iotests.test_dir, 'img-%d.img' % i) 40248361afbSAlberto Garcia backing_img = os.path.join(iotests.test_dir, 'backing-%d.img' % i) 40348361afbSAlberto Garcia self.children.append(child_img) 40448361afbSAlberto Garcia self.backing.append(backing_img) 40548361afbSAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M') 40648361afbSAlberto Garcia qemu_io('-f', iotests.imgfmt, 40748361afbSAlberto Garcia '-c', 'write -P 0x55 0 1024', backing_img) 40848361afbSAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, 40948361afbSAlberto Garcia '-o', 'backing_file=%s' % backing_img, child_img) 41048361afbSAlberto Garcia opts.append("children.%d.file.filename=%s" % (i, child_img)) 41148361afbSAlberto Garcia opts.append("children.%d.node-name=node%d" % (i, i)) 41248361afbSAlberto Garcia 41348361afbSAlberto Garcia # Attach the drive to the VM 41448361afbSAlberto Garcia self.vm = iotests.VM() 41548361afbSAlberto Garcia self.vm.add_drive(path = None, opts = ','.join(opts)) 41648361afbSAlberto Garcia self.vm.launch() 41748361afbSAlberto Garcia 41848361afbSAlberto Garcia def tearDown(self): 41948361afbSAlberto Garcia self.vm.shutdown() 42048361afbSAlberto Garcia for img in self.children: 42148361afbSAlberto Garcia os.remove(img) 42248361afbSAlberto Garcia for img in self.backing: 42348361afbSAlberto Garcia os.remove(img) 42448361afbSAlberto Garcia 42548361afbSAlberto Garcia def test_stream_quorum(self): 42648361afbSAlberto Garcia if not iotests.supports_quorum(): 42748361afbSAlberto Garcia return 42848361afbSAlberto Garcia 429aca7063aSFam Zheng self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.children[0]), 430aca7063aSFam Zheng qemu_io('-f', iotests.imgfmt, '-rU', '-c', 'map', self.backing[0]), 43148361afbSAlberto Garcia 'image file map matches backing file before streaming') 43248361afbSAlberto Garcia 43348361afbSAlberto Garcia self.assert_no_active_block_jobs() 43448361afbSAlberto Garcia 43548361afbSAlberto Garcia result = self.vm.qmp('block-stream', device='node0', job_id='stream-node0') 43648361afbSAlberto Garcia self.assert_qmp(result, 'return', {}) 43748361afbSAlberto Garcia 43848361afbSAlberto Garcia self.wait_until_completed(drive='stream-node0') 43948361afbSAlberto Garcia 44048361afbSAlberto Garcia self.assert_no_active_block_jobs() 44148361afbSAlberto Garcia self.vm.shutdown() 44248361afbSAlberto Garcia 44348361afbSAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.children[0]), 44448361afbSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.backing[0]), 44548361afbSAlberto Garcia 'image file map does not match backing file after streaming') 44648361afbSAlberto Garcia 4472499a096SStefan Hajnocziclass TestSmallerBackingFile(iotests.QMPTestCase): 448774a8850SStefan Hajnoczi backing_len = 1 * 1024 * 1024 # MB 449774a8850SStefan Hajnoczi image_len = 2 * backing_len 450774a8850SStefan Hajnoczi 451774a8850SStefan Hajnoczi def setUp(self): 4522499a096SStefan Hajnoczi iotests.create_image(backing_img, self.backing_len) 453774a8850SStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) 454774a8850SStefan Hajnoczi self.vm = iotests.VM().add_drive(test_img) 455774a8850SStefan Hajnoczi self.vm.launch() 456774a8850SStefan Hajnoczi 457774a8850SStefan Hajnoczi # If this hangs, then you are missing a fix to complete streaming when the 458774a8850SStefan Hajnoczi # end of the backing file is reached. 459774a8850SStefan Hajnoczi def test_stream(self): 460ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 461774a8850SStefan Hajnoczi 462774a8850SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 463774a8850SStefan Hajnoczi self.assert_qmp(result, 'return', {}) 464774a8850SStefan Hajnoczi 4659974ad40SFam Zheng self.wait_until_completed() 466774a8850SStefan Hajnoczi 467ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 468774a8850SStefan Hajnoczi self.vm.shutdown() 469774a8850SStefan Hajnoczi 4702499a096SStefan Hajnocziclass TestErrors(iotests.QMPTestCase): 47190f0b711SPaolo Bonzini image_len = 2 * 1024 * 1024 # MB 47290f0b711SPaolo Bonzini 47390f0b711SPaolo Bonzini # this should match STREAM_BUFFER_SIZE/512 in block/stream.c 47490f0b711SPaolo Bonzini STREAM_BUFFER_SIZE = 512 * 1024 47590f0b711SPaolo Bonzini 47690f0b711SPaolo Bonzini def create_blkdebug_file(self, name, event, errno): 47790f0b711SPaolo Bonzini file = open(name, 'w') 47890f0b711SPaolo Bonzini file.write(''' 47990f0b711SPaolo Bonzini[inject-error] 48090f0b711SPaolo Bonzinistate = "1" 48190f0b711SPaolo Bonzinievent = "%s" 48290f0b711SPaolo Bonzinierrno = "%d" 48390f0b711SPaolo Bonziniimmediately = "off" 48490f0b711SPaolo Bonzinionce = "on" 48590f0b711SPaolo Bonzinisector = "%d" 48690f0b711SPaolo Bonzini 48790f0b711SPaolo Bonzini[set-state] 48890f0b711SPaolo Bonzinistate = "1" 48990f0b711SPaolo Bonzinievent = "%s" 49090f0b711SPaolo Bonzininew_state = "2" 49190f0b711SPaolo Bonzini 49290f0b711SPaolo Bonzini[set-state] 49390f0b711SPaolo Bonzinistate = "2" 49490f0b711SPaolo Bonzinievent = "%s" 49590f0b711SPaolo Bonzininew_state = "1" 49690f0b711SPaolo Bonzini''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) 49790f0b711SPaolo Bonzini file.close() 49890f0b711SPaolo Bonzini 49990f0b711SPaolo Bonziniclass TestEIO(TestErrors): 50090f0b711SPaolo Bonzini def setUp(self): 50190f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 5022499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 50390f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) 50490f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 50590f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 50690f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 50790f0b711SPaolo Bonzini test_img) 50890f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 50990f0b711SPaolo Bonzini self.vm.launch() 51090f0b711SPaolo Bonzini 51190f0b711SPaolo Bonzini def tearDown(self): 51290f0b711SPaolo Bonzini self.vm.shutdown() 51390f0b711SPaolo Bonzini os.remove(test_img) 51490f0b711SPaolo Bonzini os.remove(backing_img) 51590f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 51690f0b711SPaolo Bonzini 51790f0b711SPaolo Bonzini def test_report(self): 518ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 51990f0b711SPaolo Bonzini 52090f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0') 52190f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 52290f0b711SPaolo Bonzini 52390f0b711SPaolo Bonzini completed = False 52490f0b711SPaolo Bonzini error = False 52590f0b711SPaolo Bonzini while not completed: 52690f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 52790f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 52890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 52990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 53090f0b711SPaolo Bonzini error = True 53190f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 53290f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 53390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 53490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 53590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 53690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 53790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 53890f0b711SPaolo Bonzini completed = True 53990f0b711SPaolo Bonzini 540ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 54190f0b711SPaolo Bonzini self.vm.shutdown() 54290f0b711SPaolo Bonzini 54390f0b711SPaolo Bonzini def test_ignore(self): 544ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 54590f0b711SPaolo Bonzini 54690f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') 54790f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 54890f0b711SPaolo Bonzini 54990f0b711SPaolo Bonzini error = False 55090f0b711SPaolo Bonzini completed = False 55190f0b711SPaolo Bonzini while not completed: 55290f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 55390f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 5542c3b44daSJohn Snow error = True 55590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 55690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 55790f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 5582c3b44daSJohn Snow if result == {'return': []}: 5592c3b44daSJohn Snow # Job finished too quickly 5602c3b44daSJohn Snow continue 56190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 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.image_len) 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_stop(self): 575ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 57690f0b711SPaolo Bonzini 57790f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='stop') 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': 58501809194SJohn Snow error = True 58690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 58790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 58890f0b711SPaolo Bonzini 58990f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 59090f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 59190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 59290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'failed') 59390f0b711SPaolo Bonzini 59490f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 59590f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 59690f0b711SPaolo Bonzini 59790f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 59801809194SJohn Snow if result == {'return': []}: 59901809194SJohn Snow # Race; likely already finished. Check. 60001809194SJohn Snow continue 60190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 60290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 60390f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 60490f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 60590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 60690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 60790f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 60890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 60990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 61090f0b711SPaolo Bonzini completed = True 61190f0b711SPaolo Bonzini 612ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 61390f0b711SPaolo Bonzini self.vm.shutdown() 61490f0b711SPaolo Bonzini 61590f0b711SPaolo Bonzini def test_enospc(self): 616ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 61790f0b711SPaolo Bonzini 61890f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 61990f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 62090f0b711SPaolo Bonzini 62190f0b711SPaolo Bonzini completed = False 62290f0b711SPaolo Bonzini error = False 62390f0b711SPaolo Bonzini while not completed: 62490f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 62590f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 62690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 62790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 62890f0b711SPaolo Bonzini error = True 62990f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 63090f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 63190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 63290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 63390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 63490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 63590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 63690f0b711SPaolo Bonzini completed = True 63790f0b711SPaolo Bonzini 638ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 63990f0b711SPaolo Bonzini self.vm.shutdown() 64090f0b711SPaolo Bonzini 64190f0b711SPaolo Bonziniclass TestENOSPC(TestErrors): 64290f0b711SPaolo Bonzini def setUp(self): 64390f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 6442499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 64590f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) 64690f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 64790f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 64890f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 64990f0b711SPaolo Bonzini test_img) 65090f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 65190f0b711SPaolo Bonzini self.vm.launch() 65290f0b711SPaolo Bonzini 65390f0b711SPaolo Bonzini def tearDown(self): 65490f0b711SPaolo Bonzini self.vm.shutdown() 65590f0b711SPaolo Bonzini os.remove(test_img) 65690f0b711SPaolo Bonzini os.remove(backing_img) 65790f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 65890f0b711SPaolo Bonzini 65990f0b711SPaolo Bonzini def test_enospc(self): 660ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 66190f0b711SPaolo Bonzini 66290f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 66390f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 66490f0b711SPaolo Bonzini 66590f0b711SPaolo Bonzini error = False 66690f0b711SPaolo Bonzini completed = False 66790f0b711SPaolo Bonzini while not completed: 66890f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 66990f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 67090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 67190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 67290f0b711SPaolo Bonzini 67390f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 67490f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 67590f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 67690f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'nospace') 67790f0b711SPaolo Bonzini 67890f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 67990f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 68090f0b711SPaolo Bonzini 68190f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 68290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 68390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 68490f0b711SPaolo Bonzini error = True 68590f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 68690f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 68790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 68890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 68990f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 69090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 69190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 69290f0b711SPaolo Bonzini completed = True 69390f0b711SPaolo Bonzini 694ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 69590f0b711SPaolo Bonzini self.vm.shutdown() 696774a8850SStefan Hajnoczi 6972499a096SStefan Hajnocziclass TestStreamStop(iotests.QMPTestCase): 69837ce63ebSStefan Hajnoczi image_len = 8 * 1024 * 1024 * 1024 # GB 69937ce63ebSStefan Hajnoczi 70037ce63ebSStefan Hajnoczi def setUp(self): 70137ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestStreamStop.image_len)) 70290c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 70337ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 70490c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 705b59b3d57SFam Zheng self.vm = iotests.VM().add_drive("blkdebug::" + test_img) 70637ce63ebSStefan Hajnoczi self.vm.launch() 70737ce63ebSStefan Hajnoczi 70837ce63ebSStefan Hajnoczi def tearDown(self): 70937ce63ebSStefan Hajnoczi self.vm.shutdown() 71037ce63ebSStefan Hajnoczi os.remove(test_img) 71137ce63ebSStefan Hajnoczi os.remove(backing_img) 71237ce63ebSStefan Hajnoczi 71337ce63ebSStefan Hajnoczi def test_stream_stop(self): 714ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 71537ce63ebSStefan Hajnoczi 716b59b3d57SFam Zheng self.vm.pause_drive('drive0') 717db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 71837ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 71937ce63ebSStefan Hajnoczi 7200fd05e8dSPaolo Bonzini time.sleep(0.1) 72137ce63ebSStefan Hajnoczi events = self.vm.get_qmp_events(wait=False) 72237ce63ebSStefan Hajnoczi self.assertEqual(events, [], 'unexpected QMP event: %s' % events) 72337ce63ebSStefan Hajnoczi 724b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 72537ce63ebSStefan Hajnoczi 7262499a096SStefan Hajnocziclass TestSetSpeed(iotests.QMPTestCase): 72737ce63ebSStefan Hajnoczi image_len = 80 * 1024 * 1024 # MB 72837ce63ebSStefan Hajnoczi 72937ce63ebSStefan Hajnoczi def setUp(self): 73037ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestSetSpeed.image_len)) 73190c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 73237ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 73390c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 734b59b3d57SFam Zheng self.vm = iotests.VM().add_drive('blkdebug::' + test_img) 73537ce63ebSStefan Hajnoczi self.vm.launch() 73637ce63ebSStefan Hajnoczi 73737ce63ebSStefan Hajnoczi def tearDown(self): 73837ce63ebSStefan Hajnoczi self.vm.shutdown() 73937ce63ebSStefan Hajnoczi os.remove(test_img) 74037ce63ebSStefan Hajnoczi os.remove(backing_img) 74137ce63ebSStefan Hajnoczi 742e425306aSStefan Hajnoczi # This is a short performance test which is not run by default. 743e425306aSStefan Hajnoczi # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" 744e425306aSStefan Hajnoczi def perf_test_throughput(self): 745ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 74637ce63ebSStefan Hajnoczi 747db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 74837ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 74937ce63ebSStefan Hajnoczi 750e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 75137ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 75237ce63ebSStefan Hajnoczi 7539974ad40SFam Zheng self.wait_until_completed() 75437ce63ebSStefan Hajnoczi 755ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 75637ce63ebSStefan Hajnoczi 757e425306aSStefan Hajnoczi def test_set_speed(self): 758ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 759e425306aSStefan Hajnoczi 760b59b3d57SFam Zheng self.vm.pause_drive('drive0') 761e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 762e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 763e425306aSStefan Hajnoczi 764e425306aSStefan Hajnoczi # Default speed is 0 765e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 766e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 767e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 0) 768e425306aSStefan Hajnoczi 769e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 770e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 771e425306aSStefan Hajnoczi 772e425306aSStefan Hajnoczi # Ensure the speed we set was accepted 773e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 774e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 775e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) 776e425306aSStefan Hajnoczi 777b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 778b59b3d57SFam Zheng self.vm.pause_drive('drive0') 779e425306aSStefan Hajnoczi 780e425306aSStefan Hajnoczi # Check setting speed in block-stream works 781e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) 782e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 783e425306aSStefan Hajnoczi 784e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 785e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 786e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) 787e425306aSStefan Hajnoczi 788b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 789e425306aSStefan Hajnoczi 790e425306aSStefan Hajnoczi def test_set_speed_invalid(self): 791ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 792e425306aSStefan Hajnoczi 793e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=-1) 79458c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 795e425306aSStefan Hajnoczi 796ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 797e425306aSStefan Hajnoczi 798e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 799e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 800e425306aSStefan Hajnoczi 801e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) 80258c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 803e425306aSStefan Hajnoczi 804e425306aSStefan Hajnoczi self.cancel_and_wait() 805e425306aSStefan Hajnoczi 80637ce63ebSStefan Hajnocziif __name__ == '__main__': 80737ce63ebSStefan Hajnoczi iotests.main(supported_fmts=['qcow2', 'qed']) 808