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