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1#!/usr/bin/env python3 2# group: rw quick 3# 4# Test VDI 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=['vdi'], 29 supported_protocols=['file'], 30) 31 32def blockdev_create(vm, options): 33 error = vm.blockdev_create(options) 34 if error and 'Could not allocate bmap' in error: 35 iotests.notrun('Insufficient memory') 36 37with iotests.FilePath('t.vdi') 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', filters=[iotests.filter_qmp_testfiles]) 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 iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path)) 63 64 # 65 # Successful image creation (explicit defaults) 66 # 67 iotests.log("=== Successful image creation (explicit defaults) ===") 68 iotests.log("") 69 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 'preallocation': 'off' }) 83 vm.shutdown() 84 85 iotests.img_info_log(disk_path) 86 iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path)) 87 88 # 89 # Successful image creation (with non-default options) 90 # 91 iotests.log("=== Successful image creation (with non-default options) ===") 92 iotests.log("") 93 94 size = 32 * 1024 * 1024 95 96 vm.launch() 97 blockdev_create(vm, { 'driver': 'file', 98 'filename': disk_path, 99 'size': 0 }) 100 blockdev_create(vm, { 'driver': imgfmt, 101 'file': { 102 'driver': 'file', 103 'filename': disk_path, 104 }, 105 'size': size, 106 'preallocation': 'metadata' }) 107 vm.shutdown() 108 109 iotests.img_info_log(disk_path) 110 iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path)) 111 112 # 113 # Invalid BlockdevRef 114 # 115 iotests.log("=== Invalid BlockdevRef ===") 116 iotests.log("") 117 118 vm.launch() 119 blockdev_create(vm, { 'driver': imgfmt, 120 'file': "this doesn't exist", 121 'size': size }) 122 vm.shutdown() 123 124 # 125 # Zero size 126 # 127 iotests.log("=== Zero size ===") 128 iotests.log("") 129 130 vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) 131 vm.launch() 132 blockdev_create(vm, { 'driver': imgfmt, 133 'file': 'node0', 134 'size': 0 }) 135 vm.shutdown() 136 137 iotests.img_info_log(disk_path) 138 139 # 140 # Maximum size 141 # 142 iotests.log("=== Maximum size ===") 143 iotests.log("") 144 145 vm.launch() 146 blockdev_create(vm, { 'driver': imgfmt, 147 'file': 'node0', 148 'size': 562949819203584 }) 149 vm.shutdown() 150 151 iotests.img_info_log(disk_path) 152 153 # 154 # Invalid sizes 155 # 156 157 # TODO Negative image sizes aren't handled correctly, but this is a problem 158 # with QAPI's implementation of the 'size' type and affects other commands 159 # as well. Once this is fixed, we may want to add a test case here. 160 161 # 1. 2^64 - 512 162 # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this) 163 # 3. 0x1fffff8000001 (one byte more than maximum image size for VDI) 164 165 iotests.log("=== Invalid sizes ===") 166 iotests.log("") 167 168 vm.launch() 169 for size in [ 18446744073709551104, 9223372036854775808, 562949819203585 ]: 170 blockdev_create(vm, { 'driver': imgfmt, 171 'file': 'node0', 172 'size': size }) 173 vm.shutdown()