1#!/usr/bin/env python 2# 3# Test vhdx 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.verify_image_format(supported_fmts=['vhdx']) 27iotests.verify_protocol(supported=['file']) 28 29def blockdev_create(vm, options): 30 result = vm.qmp_log('blockdev-create', job_id='job0', options=options) 31 32 if 'return' in result: 33 assert result['return'] == {} 34 vm.run_job('job0') 35 iotests.log("") 36 37with iotests.FilePath('t.vhdx') 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') 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 63 # 64 # Successful image creation (explicit defaults) 65 # 66 iotests.log("=== Successful image creation (explicit defaults) ===") 67 iotests.log("") 68 69 # Choose a different size to show that we got a new image 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 'log-size': 1048576, 83 'block-size': 8388608, 84 'subformat': 'dynamic', 85 'block-state-zero': True }) 86 vm.shutdown() 87 88 iotests.img_info_log(disk_path) 89 90 # 91 # Successful image creation (with non-default options) 92 # 93 iotests.log("=== Successful image creation (with non-default options) ===") 94 iotests.log("") 95 96 # Choose a different size to show that we got a new image 97 size = 32 * 1024 * 1024 98 99 vm.launch() 100 blockdev_create(vm, { 'driver': 'file', 101 'filename': disk_path, 102 'size': 0 }) 103 blockdev_create(vm, { 'driver': imgfmt, 104 'file': { 105 'driver': 'file', 106 'filename': disk_path, 107 }, 108 'size': size, 109 'log-size': 8388608, 110 'block-size': 268435456, 111 'subformat': 'fixed', 112 'block-state-zero': False }) 113 vm.shutdown() 114 115 iotests.img_info_log(disk_path) 116 117 # 118 # Invalid BlockdevRef 119 # 120 iotests.log("=== Invalid BlockdevRef ===") 121 iotests.log("") 122 123 vm.launch() 124 blockdev_create(vm, { 'driver': imgfmt, 125 'file': "this doesn't exist", 126 'size': size }) 127 vm.shutdown() 128 129 # 130 # Zero size 131 # 132 iotests.log("=== Zero size ===") 133 iotests.log("") 134 135 vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) 136 vm.launch() 137 blockdev_create(vm, { 'driver': imgfmt, 138 'file': 'node0', 139 'size': 0 }) 140 vm.shutdown() 141 142 iotests.img_info_log(disk_path) 143 144 # 145 # Maximum size 146 # 147 iotests.log("=== Maximum size ===") 148 iotests.log("") 149 150 vm.launch() 151 blockdev_create(vm, { 'driver': imgfmt, 152 'file': 'node0', 153 'size': 70368744177664 }) 154 vm.shutdown() 155 156 iotests.img_info_log(disk_path) 157 158 # 159 # Invalid sizes 160 # 161 162 # TODO Negative image sizes aren't handled correctly, but this is a problem 163 # with QAPI's implementation of the 'size' type and affects other commands 164 # as well. Once this is fixed, we may want to add a test case here. 165 166 # 1. 2^64 - 512 167 # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this) 168 # 3. 2^63 - 512 (generally valid, but with the image header the file will 169 # exceed 63 bits) 170 # 4. 2^46 + 1 (one byte more than maximum image size) 171 172 iotests.log("=== Invalid sizes ===") 173 iotests.log("") 174 175 vm.launch() 176 for size in [ 18446744073709551104, 9223372036854775808, 177 9223372036854775296, 70368744177665 ]: 178 blockdev_create(vm, { 'driver': imgfmt, 179 'file': 'node0', 180 'size': size }) 181 vm.shutdown() 182 183 # 184 # Invalid block size 185 # 186 iotests.log("=== Invalid block size ===") 187 iotests.log("") 188 189 vm.launch() 190 for bsize in [ 1234567, 128, 3145728, 536870912, 0 ]: 191 blockdev_create(vm, { 'driver': imgfmt, 192 'file': 'node0', 193 'size': 67108864, 194 'block-size': bsize }) 195 vm.shutdown() 196 197 # 198 # Invalid log size 199 # 200 iotests.log("=== Invalid log size ===") 201 iotests.log("") 202 203 vm.launch() 204 for lsize in [ 1234567, 128, 4294967296, 0 ]: 205 blockdev_create(vm, { 'driver': imgfmt, 206 'file': 'node0', 207 'size': 67108864, 208 'log-size': lsize }) 209 vm.shutdown() 210