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 24import iotests 25from iotests import imgfmt 26 27iotests.script_initialize(supported_fmts=['qcow2'], 28 supported_protocols=['file']) 29iotests.verify_working_luks() 30 31with 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() 280