1#!/usr/bin/env python 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 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.parallels') 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 'cluster-size': 1048576 }) 83 vm.shutdown() 84 85 iotests.img_info_log(disk_path) 86 87 # 88 # Successful image creation (with non-default options) 89 # 90 iotests.log("=== Successful image creation (with non-default options) ===") 91 iotests.log("") 92 93 # Choose a different size to show that we got a new image 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 'cluster-size': 65536 }) 107 vm.shutdown() 108 109 iotests.img_info_log(disk_path) 110 111 # 112 # Invalid BlockdevRef 113 # 114 iotests.log("=== Invalid BlockdevRef ===") 115 iotests.log("") 116 117 vm.launch() 118 blockdev_create(vm, { 'driver': imgfmt, 119 'file': "this doesn't exist", 120 'size': size }) 121 vm.shutdown() 122 123 # 124 # Zero size 125 # 126 iotests.log("=== Zero size ===") 127 iotests.log("") 128 129 vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path)) 130 vm.launch() 131 blockdev_create(vm, { 'driver': imgfmt, 132 'file': 'node0', 133 'size': 0 }) 134 vm.shutdown() 135 136 iotests.img_info_log(disk_path) 137 138 # 139 # Maximum size 140 # 141 iotests.log("=== Maximum size ===") 142 iotests.log("") 143 144 vm.launch() 145 blockdev_create(vm, { 'driver': imgfmt, 146 'file': 'node0', 147 'size': 4503599627369984}) 148 vm.shutdown() 149 150 iotests.img_info_log(disk_path) 151 152 # 153 # Invalid sizes 154 # 155 156 # TODO Negative image sizes aren't handled correctly, but this is a problem 157 # with QAPI's implementation of the 'size' type and affects other commands 158 # as well. Once this is fixed, we may want to add a test case here. 159 160 # 1. Misaligned image size 161 # 2. 2^64 - 512 162 # 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this) 163 # 4. 2^63 - 512 (generally valid, but with the image header the file will 164 # exceed 63 bits) 165 # 5. 2^52 (512 bytes more than maximum image size) 166 167 iotests.log("=== Invalid sizes ===") 168 iotests.log("") 169 170 vm.launch() 171 for size in [ 1234, 18446744073709551104, 9223372036854775808, 172 9223372036854775296, 4503599627370497 ]: 173 blockdev_create(vm, { 'driver': imgfmt, 174 'file': 'node0', 175 'size': size }) 176 vm.shutdown() 177 178 # 179 # Invalid cluster size 180 # 181 iotests.log("=== Invalid cluster size ===") 182 iotests.log("") 183 184 vm.launch() 185 for csize in [ 1234, 128, 4294967296, 9223372036854775808, 186 18446744073709551104, 0 ]: 187 blockdev_create(vm, { 'driver': imgfmt, 188 'file': 'node0', 189 'size': 67108864, 190 'cluster-size': csize }) 191 blockdev_create(vm, { 'driver': imgfmt, 192 'file': 'node0', 193 'size': 281474976710656, 194 'cluster-size': 512 }) 195 vm.shutdown() 196