| 1 | #!/usr/bin/env python3 |
| 2 | # group: rw |
| 3 | # |
| 4 | # Test qcow2 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(supported_fmts=['qcow2'], |
| 28 | supported_protocols=['file']) |
| 29 | iotests.verify_working_luks() |
| 30 | |
| 31 | with iotests.FilePath('t.qcow2') as disk_path, \ |
| 32 | iotests.FilePath('t.qcow2.base') as backing_path, \ |
| 33 | iotests.VM() as vm: |
| 34 | |
| 35 | vm.add_object('secret,id=keysec0,data=foo') |
| 36 | |
| 37 | # |
| 38 | # Successful image creation (defaults) |
| 39 | # |
| 40 | iotests.log("=== Successful image creation (defaults) ===") |
| 41 | iotests.log("") |
| 42 | |
| 43 | size = 128 * 1024 * 1024 |
| 44 | |
| 45 | vm.launch() |
| 46 | vm.blockdev_create({ 'driver': 'file', |
| 47 | 'filename': disk_path, |
| 48 | 'size': 0 }) |
| 49 | |
| 50 | vm.qmp_log('blockdev-add', |
| 51 | filters=[iotests.filter_qmp_testfiles], |
| 52 | driver='file', filename=disk_path, |
| 53 | node_name='imgfile') |
| 54 | |
| 55 | vm.blockdev_create({ 'driver': imgfmt, |
| 56 | 'file': 'imgfile', |
| 57 | 'size': size }) |
| 58 | vm.shutdown() |
| 59 | |
| 60 | iotests.img_info_log(disk_path) |
| 61 | |
| 62 | # |
| 63 | # Successful image creation (inline blockdev-add, explicit defaults) |
| 64 | # |
| 65 | iotests.log("=== Successful image creation (inline blockdev-add, explicit defaults) ===") |
| 66 | iotests.log("") |
| 67 | |
| 68 | # Choose a different size to show that we got a new image |
| 69 | size = 64 * 1024 * 1024 |
| 70 | |
| 71 | vm.launch() |
| 72 | vm.blockdev_create({ 'driver': 'file', |
| 73 | 'filename': disk_path, |
| 74 | 'size': 0, |
| 75 | 'preallocation': 'off', |
| 76 | 'nocow': False }) |
| 77 | |
| 78 | vm.blockdev_create({ 'driver': imgfmt, |
| 79 | 'file': { |
| 80 | 'driver': 'file', |
| 81 | 'filename': disk_path, |
| 82 | }, |
| 83 | 'size': size, |
| 84 | 'version': 'v3', |
| 85 | 'cluster-size': 65536, |
| 86 | 'preallocation': 'off', |
| 87 | 'lazy-refcounts': False, |
| 88 | 'refcount-bits': 16 }) |
| 89 | vm.shutdown() |
| 90 | |
| 91 | iotests.img_info_log(disk_path) |
| 92 | |
| 93 | # |
| 94 | # Successful image creation (v3 non-default options) |
| 95 | # |
| 96 | iotests.log("=== Successful image creation (v3 non-default options) ===") |
| 97 | iotests.log("") |
| 98 | |
| 99 | # Choose a different size to show that we got a new image |
| 100 | size = 32 * 1024 * 1024 |
| 101 | |
| 102 | vm.launch() |
| 103 | vm.blockdev_create({ 'driver': 'file', |
| 104 | 'filename': disk_path, |
| 105 | 'size': 0, |
| 106 | 'preallocation': 'falloc', |
| 107 | 'nocow': True }) |
| 108 | |
| 109 | vm.blockdev_create({ 'driver': imgfmt, |
| 110 | 'file': { |
| 111 | 'driver': 'file', |
| 112 | 'filename': disk_path, |
| 113 | }, |
| 114 | 'size': size, |
| 115 | 'version': 'v3', |
| 116 | 'cluster-size': 2097152, |
| 117 | 'preallocation': 'metadata', |
| 118 | 'lazy-refcounts': True, |
| 119 | 'refcount-bits': 1 }) |
| 120 | vm.shutdown() |
| 121 | |
| 122 | iotests.img_info_log(disk_path) |
| 123 | |
| 124 | # |
| 125 | # Successful image creation (v2 non-default options) |
| 126 | # |
| 127 | iotests.log("=== Successful image creation (v2 non-default options) ===") |
| 128 | iotests.log("") |
| 129 | |
| 130 | vm.launch() |
| 131 | vm.blockdev_create({ 'driver': 'file', |
| 132 | 'filename': disk_path, |
| 133 | 'size': 0 }) |
| 134 | |
| 135 | vm.blockdev_create({ 'driver': imgfmt, |
| 136 | 'file': { |
| 137 | 'driver': 'file', |
| 138 | 'filename': disk_path, |
| 139 | }, |
| 140 | 'size': size, |
| 141 | 'backing-file': backing_path, |
| 142 | 'backing-fmt': 'qcow2', |
| 143 | 'version': 'v2', |
| 144 | 'cluster-size': 512 }) |
| 145 | vm.shutdown() |
| 146 | |
| 147 | iotests.img_info_log(disk_path) |
| 148 | |
| 149 | # |
| 150 | # Successful image creation (encrypted) |
| 151 | # |
| 152 | iotests.log("=== Successful image creation (encrypted) ===") |
| 153 | iotests.log("") |
| 154 | |
| 155 | vm.launch() |
| 156 | vm.blockdev_create({ 'driver': imgfmt, |
| 157 | 'file': { |
| 158 | 'driver': 'file', |
| 159 | 'filename': disk_path, |
| 160 | }, |
| 161 | 'size': size, |
| 162 | 'encrypt': { |
| 163 | 'format': 'luks', |
| 164 | 'key-secret': 'keysec0', |
| 165 | 'cipher-alg': 'aes-128', |
| 166 | 'cipher-mode': 'cbc', |
| 167 | 'ivgen-alg': 'plain64', |
| 168 | 'ivgen-hash-alg': 'md5', |
| 169 | 'hash-alg': 'sha1', |
| 170 | 'iter-time': 10, |
| 171 | }}) |
| 172 | vm.shutdown() |
| 173 | |
| 174 | iotests.img_info_log(disk_path) |
| 175 | |
| 176 | # |
| 177 | # Invalid BlockdevRef |
| 178 | # |
| 179 | iotests.log("=== Invalid BlockdevRef ===") |
| 180 | iotests.log("") |
| 181 | |
| 182 | vm.launch() |
| 183 | vm.blockdev_create({ 'driver': imgfmt, |
| 184 | 'file': "this doesn't exist", |
| 185 | 'size': size }) |
| 186 | vm.shutdown() |
| 187 | |
| 188 | # |
| 189 | # Invalid sizes |
| 190 | # |
| 191 | iotests.log("=== Invalid sizes ===") |
| 192 | |
| 193 | # TODO Negative image sizes aren't handled correctly, but this is a problem |
| 194 | # with QAPI's implementation of the 'size' type and affects other commands |
| 195 | # as well. Once this is fixed, we may want to add a test case here. |
| 196 | # |
| 197 | # 1. Misaligned image size |
| 198 | # 2. 2^64 - 512 |
| 199 | # 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this) |
| 200 | # 4. 2^63 - 512 (generally valid, but qcow2 can't handle images this size) |
| 201 | |
| 202 | vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) |
| 203 | |
| 204 | vm.launch() |
| 205 | for size in [ 1234, 18446744073709551104, 9223372036854775808, |
| 206 | 9223372036854775296, 9223372035781033984 ]: |
| 207 | vm.blockdev_create({ 'driver': imgfmt, |
| 208 | 'file': 'node0', |
| 209 | 'size': size }) |
| 210 | vm.shutdown() |
| 211 | |
| 212 | # |
| 213 | # Invalid version |
| 214 | # |
| 215 | iotests.log("=== Invalid version ===") |
| 216 | |
| 217 | vm.launch() |
| 218 | vm.blockdev_create({ 'driver': imgfmt, |
| 219 | 'file': 'node0', |
| 220 | 'size': 67108864, |
| 221 | 'version': 'v1' }) |
| 222 | vm.blockdev_create({ 'driver': imgfmt, |
| 223 | 'file': 'node0', |
| 224 | 'size': 67108864, |
| 225 | 'version': 'v2', |
| 226 | 'lazy-refcounts': True }) |
| 227 | vm.blockdev_create({ 'driver': imgfmt, |
| 228 | 'file': 'node0', |
| 229 | 'size': 67108864, |
| 230 | 'version': 'v2', |
| 231 | 'refcount-bits': 8 }) |
| 232 | vm.shutdown() |
| 233 | |
| 234 | # |
| 235 | # Invalid backing file options |
| 236 | # |
| 237 | iotests.log("=== Invalid backing file options ===") |
| 238 | |
| 239 | vm.launch() |
| 240 | vm.blockdev_create({ 'driver': imgfmt, |
| 241 | 'file': 'node0', |
| 242 | 'size': 67108864, |
| 243 | 'backing-file': '/dev/null', |
| 244 | 'preallocation': 'full' }) |
| 245 | vm.blockdev_create({ 'driver': imgfmt, |
| 246 | 'file': 'node0', |
| 247 | 'size': 67108864, |
| 248 | 'backing-fmt': imgfmt }) |
| 249 | vm.shutdown() |
| 250 | |
| 251 | # |
| 252 | # Invalid cluster size |
| 253 | # |
| 254 | iotests.log("=== Invalid cluster size ===") |
| 255 | |
| 256 | vm.launch() |
| 257 | for csize in [ 1234, 128, 4194304, 0 ]: |
| 258 | vm.blockdev_create({ 'driver': imgfmt, |
| 259 | 'file': 'node0', |
| 260 | 'size': 67108864, |
| 261 | 'cluster-size': csize }) |
| 262 | vm.blockdev_create({ 'driver': imgfmt, |
| 263 | 'file': 'node0', |
| 264 | 'size': 281474976710656, |
| 265 | 'cluster-size': 512 }) |
| 266 | vm.shutdown() |
| 267 | |
| 268 | # |
| 269 | # Invalid refcount width |
| 270 | # |
| 271 | iotests.log("=== Invalid refcount width ===") |
| 272 | |
| 273 | vm.launch() |
| 274 | for refcount_bits in [ 128, 0, 7 ]: |
| 275 | vm.blockdev_create({ 'driver': imgfmt, |
| 276 | 'file': 'node0', |
| 277 | 'size': 67108864, |
| 278 | 'refcount-bits': refcount_bits }) |
| 279 | vm.shutdown() |