1#!/usr/bin/env python3 2# 3# Test qcow2 and file image creation 4# 5# Copyright (C) 2018 Red Hat, Inc. 6# 7# Creator/Owner: Kevin Wolf <kwolf@redhat.com> 8# 9# This program is free software; you can redistribute it and/or modify 10# it under the terms of the GNU General Public License as published by 11# the Free Software Foundation; either version 2 of the License, or 12# (at your option) any later version. 13# 14# This program is distributed in the hope that it will be useful, 15# but WITHOUT ANY WARRANTY; without even the implied warranty of 16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17# GNU General Public License for more details. 18# 19# You should have received a copy of the GNU General Public License 20# along with this program. If not, see <http://www.gnu.org/licenses/>. 21# 22 23import iotests 24from iotests import imgfmt 25 26iotests.script_initialize(supported_fmts=['qcow2']) 27iotests.verify_working_luks() 28 29with iotests.FilePath('t.qcow2') as disk_path, \ 30 iotests.FilePath('t.qcow2.base') as backing_path, \ 31 iotests.VM() as vm: 32 33 vm.add_object('secret,id=keysec0,data=foo') 34 35 # 36 # Successful image creation (defaults) 37 # 38 iotests.log("=== Successful image creation (defaults) ===") 39 iotests.log("") 40 41 size = 128 * 1024 * 1024 42 43 vm.launch() 44 vm.blockdev_create({ 'driver': 'file', 45 'filename': disk_path, 46 'size': 0 }) 47 48 vm.qmp_log('blockdev-add', 49 filters=[iotests.filter_qmp_testfiles], 50 driver='file', filename=disk_path, 51 node_name='imgfile') 52 53 vm.blockdev_create({ 'driver': imgfmt, 54 'file': 'imgfile', 55 'size': size }) 56 vm.shutdown() 57 58 iotests.img_info_log(disk_path) 59 60 # 61 # Successful image creation (inline blockdev-add, explicit defaults) 62 # 63 iotests.log("=== Successful image creation (inline blockdev-add, explicit defaults) ===") 64 iotests.log("") 65 66 # Choose a different size to show that we got a new image 67 size = 64 * 1024 * 1024 68 69 vm.launch() 70 vm.blockdev_create({ 'driver': 'file', 71 'filename': disk_path, 72 'size': 0, 73 'preallocation': 'off', 74 'nocow': False }) 75 76 vm.blockdev_create({ 'driver': imgfmt, 77 'file': { 78 'driver': 'file', 79 'filename': disk_path, 80 }, 81 'size': size, 82 'version': 'v3', 83 'cluster-size': 65536, 84 'preallocation': 'off', 85 'lazy-refcounts': False, 86 'refcount-bits': 16 }) 87 vm.shutdown() 88 89 iotests.img_info_log(disk_path) 90 91 # 92 # Successful image creation (v3 non-default options) 93 # 94 iotests.log("=== Successful image creation (v3 non-default options) ===") 95 iotests.log("") 96 97 # Choose a different size to show that we got a new image 98 size = 32 * 1024 * 1024 99 100 vm.launch() 101 vm.blockdev_create({ 'driver': 'file', 102 'filename': disk_path, 103 'size': 0, 104 'preallocation': 'falloc', 105 'nocow': True }) 106 107 vm.blockdev_create({ 'driver': imgfmt, 108 'file': { 109 'driver': 'file', 110 'filename': disk_path, 111 }, 112 'size': size, 113 'version': 'v3', 114 'cluster-size': 2097152, 115 'preallocation': 'metadata', 116 'lazy-refcounts': True, 117 'refcount-bits': 1 }) 118 vm.shutdown() 119 120 iotests.img_info_log(disk_path) 121 122 # 123 # Successful image creation (v2 non-default options) 124 # 125 iotests.log("=== Successful image creation (v2 non-default options) ===") 126 iotests.log("") 127 128 vm.launch() 129 vm.blockdev_create({ 'driver': 'file', 130 'filename': disk_path, 131 'size': 0 }) 132 133 vm.blockdev_create({ 'driver': imgfmt, 134 'file': { 135 'driver': 'file', 136 'filename': disk_path, 137 }, 138 'size': size, 139 'backing-file': backing_path, 140 'backing-fmt': 'qcow2', 141 'version': 'v2', 142 'cluster-size': 512 }) 143 vm.shutdown() 144 145 iotests.img_info_log(disk_path) 146 147 # 148 # Successful image creation (encrypted) 149 # 150 iotests.log("=== Successful image creation (encrypted) ===") 151 iotests.log("") 152 153 vm.launch() 154 vm.blockdev_create({ 'driver': imgfmt, 155 'file': { 156 'driver': 'file', 157 'filename': disk_path, 158 }, 159 'size': size, 160 'encrypt': { 161 'format': 'luks', 162 'key-secret': 'keysec0', 163 'cipher-alg': 'twofish-128', 164 'cipher-mode': 'ctr', 165 'ivgen-alg': 'plain64', 166 'ivgen-hash-alg': 'md5', 167 'hash-alg': 'sha1', 168 'iter-time': 10, 169 }}) 170 vm.shutdown() 171 172 iotests.img_info_log(disk_path) 173 174 # 175 # Invalid BlockdevRef 176 # 177 iotests.log("=== Invalid BlockdevRef ===") 178 iotests.log("") 179 180 vm.launch() 181 vm.blockdev_create({ 'driver': imgfmt, 182 'file': "this doesn't exist", 183 'size': size }) 184 vm.shutdown() 185 186 # 187 # Invalid sizes 188 # 189 iotests.log("=== Invalid sizes ===") 190 191 # TODO Negative image sizes aren't handled correctly, but this is a problem 192 # with QAPI's implementation of the 'size' type and affects other commands 193 # as well. Once this is fixed, we may want to add a test case here. 194 # 195 # 1. Misaligned image size 196 # 2. 2^64 - 512 197 # 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this) 198 # 4. 2^63 - 512 (generally valid, but qcow2 can't handle images this size) 199 200 vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) 201 202 vm.launch() 203 for size in [ 1234, 18446744073709551104, 9223372036854775808, 204 9223372036854775296 ]: 205 vm.blockdev_create({ 'driver': imgfmt, 206 'file': 'node0', 207 'size': size }) 208 vm.shutdown() 209 210 # 211 # Invalid version 212 # 213 iotests.log("=== Invalid version ===") 214 215 vm.launch() 216 vm.blockdev_create({ 'driver': imgfmt, 217 'file': 'node0', 218 'size': 67108864, 219 'version': 'v1' }) 220 vm.blockdev_create({ 'driver': imgfmt, 221 'file': 'node0', 222 'size': 67108864, 223 'version': 'v2', 224 'lazy-refcounts': True }) 225 vm.blockdev_create({ 'driver': imgfmt, 226 'file': 'node0', 227 'size': 67108864, 228 'version': 'v2', 229 'refcount-bits': 8 }) 230 vm.shutdown() 231 232 # 233 # Invalid backing file options 234 # 235 iotests.log("=== Invalid backing file options ===") 236 237 vm.launch() 238 vm.blockdev_create({ 'driver': imgfmt, 239 'file': 'node0', 240 'size': 67108864, 241 'backing-file': '/dev/null', 242 'preallocation': 'full' }) 243 vm.blockdev_create({ 'driver': imgfmt, 244 'file': 'node0', 245 'size': 67108864, 246 'backing-fmt': imgfmt }) 247 vm.shutdown() 248 249 # 250 # Invalid cluster size 251 # 252 iotests.log("=== Invalid cluster size ===") 253 254 vm.launch() 255 for csize in [ 1234, 128, 4194304, 0 ]: 256 vm.blockdev_create({ 'driver': imgfmt, 257 'file': 'node0', 258 'size': 67108864, 259 'cluster-size': csize }) 260 vm.blockdev_create({ 'driver': imgfmt, 261 'file': 'node0', 262 'size': 281474976710656, 263 'cluster-size': 512 }) 264 vm.shutdown() 265 266 # 267 # Invalid refcount width 268 # 269 iotests.log("=== Invalid refcount width ===") 270 271 vm.launch() 272 for refcount_bits in [ 128, 0, 7 ]: 273 vm.blockdev_create({ 'driver': imgfmt, 274 'file': 'node0', 275 'size': 67108864, 276 'refcount-bits': refcount_bits }) 277 vm.shutdown() 278