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