| 1 | #!/usr/bin/env python3 |
| 2 | # group: rw quick |
| 3 | # |
| 4 | # Test VDI and file image creation |
| 5 | # |
| 6 | # Copyright (C) 2018 Red Hat, Inc. |
| 7 | # |
| 8 | # Creator/Owner: Kevin Wolf <kwolf@redhat.com> |
| 9 | # |
| 10 | # This program is free software; you can redistribute it and/or modify |
| 11 | # it under the terms of the GNU General Public License as published by |
| 12 | # the Free Software Foundation; either version 2 of the License, or |
| 13 | # (at your option) any later version. |
| 14 | # |
| 15 | # This program is distributed in the hope that it will be useful, |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | # GNU General Public License for more details. |
| 19 | # |
| 20 | # You should have received a copy of the GNU General Public License |
| 21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 22 | # |
| 23 | |
| 24 | import iotests |
| 25 | from iotests import imgfmt |
| 26 | |
| 27 | iotests.script_initialize( |
| 28 | supported_fmts=['vdi'], |
| 29 | supported_protocols=['file'], |
| 30 | ) |
| 31 | |
| 32 | def blockdev_create(vm, options): |
| 33 | error = vm.blockdev_create(options) |
| 34 | if error and 'Could not allocate bmap' in error: |
| 35 | iotests.notrun('Insufficient memory') |
| 36 | |
| 37 | with iotests.FilePath('t.vdi') as disk_path, \ |
| 38 | iotests.VM() as vm: |
| 39 | |
| 40 | # |
| 41 | # Successful image creation (defaults) |
| 42 | # |
| 43 | iotests.log("=== Successful image creation (defaults) ===") |
| 44 | iotests.log("") |
| 45 | |
| 46 | size = 128 * 1024 * 1024 |
| 47 | |
| 48 | vm.launch() |
| 49 | blockdev_create(vm, { 'driver': 'file', |
| 50 | 'filename': disk_path, |
| 51 | 'size': 0 }) |
| 52 | |
| 53 | vm.qmp_log('blockdev-add', driver='file', filename=disk_path, |
| 54 | node_name='imgfile', filters=[iotests.filter_qmp_testfiles]) |
| 55 | |
| 56 | blockdev_create(vm, { 'driver': imgfmt, |
| 57 | 'file': 'imgfile', |
| 58 | 'size': size }) |
| 59 | vm.shutdown() |
| 60 | |
| 61 | iotests.img_info_log(disk_path) |
| 62 | iotests.log(iotests.qemu_img_map(disk_path)) |
| 63 | |
| 64 | # |
| 65 | # Successful image creation (explicit defaults) |
| 66 | # |
| 67 | iotests.log("=== Successful image creation (explicit defaults) ===") |
| 68 | iotests.log("") |
| 69 | |
| 70 | size = 64 * 1024 * 1024 |
| 71 | |
| 72 | vm.launch() |
| 73 | blockdev_create(vm, { 'driver': 'file', |
| 74 | 'filename': disk_path, |
| 75 | 'size': 0 }) |
| 76 | blockdev_create(vm, { 'driver': imgfmt, |
| 77 | 'file': { |
| 78 | 'driver': 'file', |
| 79 | 'filename': disk_path, |
| 80 | }, |
| 81 | 'size': size, |
| 82 | 'preallocation': 'off' }) |
| 83 | vm.shutdown() |
| 84 | |
| 85 | iotests.img_info_log(disk_path) |
| 86 | iotests.log(iotests.qemu_img_map(disk_path)) |
| 87 | |
| 88 | # |
| 89 | # Successful image creation (with non-default options) |
| 90 | # |
| 91 | iotests.log("=== Successful image creation (with non-default options) ===") |
| 92 | iotests.log("") |
| 93 | |
| 94 | size = 32 * 1024 * 1024 |
| 95 | |
| 96 | vm.launch() |
| 97 | blockdev_create(vm, { 'driver': 'file', |
| 98 | 'filename': disk_path, |
| 99 | 'size': 0 }) |
| 100 | blockdev_create(vm, { 'driver': imgfmt, |
| 101 | 'file': { |
| 102 | 'driver': 'file', |
| 103 | 'filename': disk_path, |
| 104 | }, |
| 105 | 'size': size, |
| 106 | 'preallocation': 'metadata' }) |
| 107 | vm.shutdown() |
| 108 | |
| 109 | iotests.img_info_log(disk_path) |
| 110 | iotests.log(iotests.qemu_img_map(disk_path)) |
| 111 | |
| 112 | # |
| 113 | # Invalid BlockdevRef |
| 114 | # |
| 115 | iotests.log("=== Invalid BlockdevRef ===") |
| 116 | iotests.log("") |
| 117 | |
| 118 | vm.launch() |
| 119 | blockdev_create(vm, { 'driver': imgfmt, |
| 120 | 'file': "this doesn't exist", |
| 121 | 'size': size }) |
| 122 | vm.shutdown() |
| 123 | |
| 124 | # |
| 125 | # Zero size |
| 126 | # |
| 127 | iotests.log("=== Zero size ===") |
| 128 | iotests.log("") |
| 129 | |
| 130 | vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) |
| 131 | vm.launch() |
| 132 | blockdev_create(vm, { 'driver': imgfmt, |
| 133 | 'file': 'node0', |
| 134 | 'size': 0 }) |
| 135 | vm.shutdown() |
| 136 | |
| 137 | iotests.img_info_log(disk_path) |
| 138 | |
| 139 | # |
| 140 | # Maximum size |
| 141 | # |
| 142 | iotests.log("=== Maximum size ===") |
| 143 | iotests.log("") |
| 144 | |
| 145 | vm.launch() |
| 146 | blockdev_create(vm, { 'driver': imgfmt, |
| 147 | 'file': 'node0', |
| 148 | 'size': 562949819203584 }) |
| 149 | vm.shutdown() |
| 150 | |
| 151 | iotests.img_info_log(disk_path) |
| 152 | |
| 153 | # |
| 154 | # Invalid sizes |
| 155 | # |
| 156 | |
| 157 | # TODO Negative image sizes aren't handled correctly, but this is a problem |
| 158 | # with QAPI's implementation of the 'size' type and affects other commands |
| 159 | # as well. Once this is fixed, we may want to add a test case here. |
| 160 | |
| 161 | # 1. 2^64 - 512 |
| 162 | # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this) |
| 163 | # 3. 0x1fffff8000001 (one byte more than maximum image size for VDI) |
| 164 | |
| 165 | iotests.log("=== Invalid sizes ===") |
| 166 | iotests.log("") |
| 167 | |
| 168 | vm.launch() |
| 169 | for size in [ 18446744073709551104, 9223372036854775808, 562949819203585 ]: |
| 170 | blockdev_create(vm, { 'driver': imgfmt, |
| 171 | 'file': 'node0', |
| 172 | 'size': size }) |
| 173 | vm.shutdown() |