1#!/usr/bin/env python3 2# 3# Test parallels 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( 27 supported_fmts=['parallels'], 28 supported_protocols=['file'], 29) 30 31with iotests.FilePath('t.parallels') as disk_path, \ 32 iotests.VM() as vm: 33 34 # 35 # Successful image creation (defaults) 36 # 37 iotests.log("=== Successful image creation (defaults) ===") 38 iotests.log("") 39 40 size = 128 * 1024 * 1024 41 42 vm.launch() 43 vm.blockdev_create({ 'driver': 'file', 44 'filename': disk_path, 45 'size': 0 }) 46 47 vm.qmp_log('blockdev-add', driver='file', filename=disk_path, 48 node_name='imgfile', filters=[iotests.filter_qmp_testfiles]) 49 50 vm.blockdev_create({ 'driver': imgfmt, 51 'file': 'imgfile', 52 'size': size }) 53 vm.shutdown() 54 55 iotests.img_info_log(disk_path) 56 57 # 58 # Successful image creation (explicit defaults) 59 # 60 iotests.log("=== Successful image creation (explicit defaults) ===") 61 iotests.log("") 62 63 # Choose a different size to show that we got a new image 64 size = 64 * 1024 * 1024 65 66 vm.launch() 67 vm.blockdev_create({ 'driver': 'file', 68 'filename': disk_path, 69 'size': 0 }) 70 vm.blockdev_create({ 'driver': imgfmt, 71 'file': { 72 'driver': 'file', 73 'filename': disk_path, 74 }, 75 'size': size, 76 'cluster-size': 1048576 }) 77 vm.shutdown() 78 79 iotests.img_info_log(disk_path) 80 81 # 82 # Successful image creation (with non-default options) 83 # 84 iotests.log("=== Successful image creation (with non-default options) ===") 85 iotests.log("") 86 87 # Choose a different size to show that we got a new image 88 size = 32 * 1024 * 1024 89 90 vm.launch() 91 vm.blockdev_create({ 'driver': 'file', 92 'filename': disk_path, 93 'size': 0 }) 94 vm.blockdev_create({ 'driver': imgfmt, 95 'file': { 96 'driver': 'file', 97 'filename': disk_path, 98 }, 99 'size': size, 100 'cluster-size': 65536 }) 101 vm.shutdown() 102 103 iotests.img_info_log(disk_path) 104 105 # 106 # Invalid BlockdevRef 107 # 108 iotests.log("=== Invalid BlockdevRef ===") 109 iotests.log("") 110 111 vm.launch() 112 vm.blockdev_create({ 'driver': imgfmt, 113 'file': "this doesn't exist", 114 'size': size }) 115 vm.shutdown() 116 117 # 118 # Zero size 119 # 120 iotests.log("=== Zero size ===") 121 iotests.log("") 122 123 vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) 124 vm.launch() 125 vm.blockdev_create({ 'driver': imgfmt, 126 'file': 'node0', 127 'size': 0 }) 128 vm.shutdown() 129 130 iotests.img_info_log(disk_path) 131 132 # 133 # Maximum size 134 # 135 iotests.log("=== Maximum size ===") 136 iotests.log("") 137 138 vm.launch() 139 vm.blockdev_create({ 'driver': imgfmt, 140 'file': 'node0', 141 'size': 4503599627369984}) 142 vm.shutdown() 143 144 iotests.img_info_log(disk_path) 145 146 # 147 # Invalid sizes 148 # 149 150 # TODO Negative image sizes aren't handled correctly, but this is a problem 151 # with QAPI's implementation of the 'size' type and affects other commands 152 # as well. Once this is fixed, we may want to add a test case here. 153 154 # 1. Misaligned image size 155 # 2. 2^64 - 512 156 # 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this) 157 # 4. 2^63 - 512 (generally valid, but with the image header the file will 158 # exceed 63 bits) 159 # 5. 2^52 (512 bytes more than maximum image size) 160 161 iotests.log("=== Invalid sizes ===") 162 iotests.log("") 163 164 vm.launch() 165 for size in [ 1234, 18446744073709551104, 9223372036854775808, 166 9223372036854775296, 4503599627370497 ]: 167 vm.blockdev_create({ 'driver': imgfmt, 168 'file': 'node0', 169 'size': size }) 170 vm.shutdown() 171 172 # 173 # Invalid cluster size 174 # 175 iotests.log("=== Invalid cluster size ===") 176 iotests.log("") 177 178 vm.launch() 179 for csize in [ 1234, 128, 4294967296, 9223372036854775808, 180 18446744073709551104, 0 ]: 181 vm.blockdev_create({ 'driver': imgfmt, 182 'file': 'node0', 183 'size': 67108864, 184 'cluster-size': csize }) 185 vm.blockdev_create({ 'driver': imgfmt, 186 'file': 'node0', 187 'size': 281474976710656, 188 'cluster-size': 512 }) 189 vm.shutdown() 190