| 1 | #!/usr/bin/env python3 |
| 2 | # group: rw auto quick |
| 3 | # |
| 4 | # Test incremental/backup across iothread contexts |
| 5 | # |
| 6 | # Copyright (c) 2019 John Snow for Red Hat, Inc. |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | # owner=jsnow@redhat.com |
| 22 | |
| 23 | import os |
| 24 | import iotests |
| 25 | from iotests import log |
| 26 | |
| 27 | iotests.verify_virtio_scsi_pci_or_ccw() |
| 28 | |
| 29 | iotests.script_initialize(supported_fmts=['qcow2']) |
| 30 | size = 64 * 1024 * 1024 |
| 31 | |
| 32 | with iotests.FilePath('img0') as img0_path, \ |
| 33 | iotests.FilePath('img1') as img1_path, \ |
| 34 | iotests.FilePath('img0-full') as img0_full_path, \ |
| 35 | iotests.FilePath('img1-full') as img1_full_path, \ |
| 36 | iotests.FilePath('img0-incr') as img0_incr_path, \ |
| 37 | iotests.FilePath('img1-incr') as img1_incr_path, \ |
| 38 | iotests.VM() as vm: |
| 39 | |
| 40 | def create_target(filepath, name, size): |
| 41 | basename = os.path.basename(filepath) |
| 42 | nodename = "file_{}".format(basename) |
| 43 | log(vm.cmd('blockdev-create', job_id='job1', |
| 44 | options={ |
| 45 | 'driver': 'file', |
| 46 | 'filename': filepath, |
| 47 | 'size': 0, |
| 48 | })) |
| 49 | vm.run_job('job1') |
| 50 | log(vm.cmd('blockdev-add', driver='file', |
| 51 | node_name=nodename, filename=filepath)) |
| 52 | log(vm.cmd('blockdev-create', job_id='job2', |
| 53 | options={ |
| 54 | 'driver': iotests.imgfmt, |
| 55 | 'file': nodename, |
| 56 | 'size': size, |
| 57 | })) |
| 58 | vm.run_job('job2') |
| 59 | log(vm.cmd('blockdev-add', driver=iotests.imgfmt, |
| 60 | node_name=name, |
| 61 | file=nodename)) |
| 62 | |
| 63 | log('--- Preparing images & VM ---\n') |
| 64 | vm.add_object('iothread,id=iothread0') |
| 65 | vm.add_object('iothread,id=iothread1') |
| 66 | vm.add_device('virtio-scsi,id=scsi0,iothread=iothread0') |
| 67 | vm.add_device('virtio-scsi,id=scsi1,iothread=iothread1') |
| 68 | iotests.qemu_img_create('-f', iotests.imgfmt, img0_path, str(size)) |
| 69 | iotests.qemu_img_create('-f', iotests.imgfmt, img1_path, str(size)) |
| 70 | vm.add_drive(img0_path, interface='none') |
| 71 | vm.add_device('scsi-hd,id=device0,drive=drive0,bus=scsi0.0') |
| 72 | vm.add_drive(img1_path, interface='none') |
| 73 | vm.add_device('scsi-hd,id=device1,drive=drive1,bus=scsi1.0') |
| 74 | |
| 75 | log('--- Starting VM ---\n') |
| 76 | vm.launch() |
| 77 | |
| 78 | log('--- Create Targets & Full Backups ---\n') |
| 79 | create_target(img0_full_path, 'img0-full', size) |
| 80 | create_target(img1_full_path, 'img1-full', size) |
| 81 | ret = vm.qmp_log('transaction', indent=2, actions=[ |
| 82 | { 'type': 'block-dirty-bitmap-add', |
| 83 | 'data': { 'node': 'drive0', 'name': 'bitmap0' }}, |
| 84 | { 'type': 'block-dirty-bitmap-add', |
| 85 | 'data': { 'node': 'drive1', 'name': 'bitmap1' }}, |
| 86 | { 'type': 'blockdev-backup', |
| 87 | 'data': { 'device': 'drive0', |
| 88 | 'target': 'img0-full', |
| 89 | 'sync': 'full', |
| 90 | 'job-id': 'j0' }}, |
| 91 | { 'type': 'blockdev-backup', |
| 92 | 'data': { 'device': 'drive1', |
| 93 | 'target': 'img1-full', |
| 94 | 'sync': 'full', |
| 95 | 'job-id': 'j1' }} |
| 96 | ]) |
| 97 | if "error" in ret: |
| 98 | raise Exception(ret['error']['desc']) |
| 99 | vm.run_job('j0', auto_dismiss=True) |
| 100 | vm.run_job('j1', auto_dismiss=True) |
| 101 | |
| 102 | log('\n--- Create Targets & Incremental Backups ---\n') |
| 103 | create_target(img0_incr_path, 'img0-incr', size) |
| 104 | create_target(img1_incr_path, 'img1-incr', size) |
| 105 | ret = vm.qmp_log('transaction', indent=2, actions=[ |
| 106 | { 'type': 'blockdev-backup', |
| 107 | 'data': { 'device': 'drive0', |
| 108 | 'target': 'img0-incr', |
| 109 | 'sync': 'incremental', |
| 110 | 'bitmap': 'bitmap0', |
| 111 | 'job-id': 'j2' }}, |
| 112 | { 'type': 'blockdev-backup', |
| 113 | 'data': { 'device': 'drive1', |
| 114 | 'target': 'img1-incr', |
| 115 | 'sync': 'incremental', |
| 116 | 'bitmap': 'bitmap1', |
| 117 | 'job-id': 'j3' }} |
| 118 | ]) |
| 119 | if "error" in ret: |
| 120 | raise Exception(ret['error']['desc']) |
| 121 | vm.run_job('j2', auto_dismiss=True) |
| 122 | vm.run_job('j3', auto_dismiss=True) |
| 123 | |
| 124 | log('\n--- Done ---') |
| 125 | vm.shutdown() |