| 1 | #!/usr/bin/env python3 |
| 2 | # group: rw quick |
| 3 | # |
| 4 | # Test VPC and file image creation |
| 5 | # |
| 6 | # Copyright (C) 2019 Red Hat, Inc. |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | |
| 22 | import iotests |
| 23 | from iotests import imgfmt |
| 24 | |
| 25 | |
| 26 | # Successful image creation (defaults) |
| 27 | def implicit_defaults(vm, file_path): |
| 28 | iotests.log("=== Successful image creation (defaults) ===") |
| 29 | iotests.log("") |
| 30 | |
| 31 | # 8 heads, 964 cyls/head, 17 secs/cyl |
| 32 | # (Close to 64 MB) |
| 33 | size = 8 * 964 * 17 * 512 |
| 34 | |
| 35 | vm.blockdev_create({ 'driver': imgfmt, |
| 36 | 'file': 'protocol-node', |
| 37 | 'size': size }) |
| 38 | |
| 39 | |
| 40 | # Successful image creation (explicit defaults) |
| 41 | def explicit_defaults(vm, file_path): |
| 42 | iotests.log("=== Successful image creation (explicit defaults) ===") |
| 43 | iotests.log("") |
| 44 | |
| 45 | # 16 heads, 964 cyls/head, 17 secs/cyl |
| 46 | # (Close to 128 MB) |
| 47 | size = 16 * 964 * 17 * 512 |
| 48 | |
| 49 | vm.blockdev_create({ 'driver': imgfmt, |
| 50 | 'file': 'protocol-node', |
| 51 | 'size': size, |
| 52 | 'subformat': 'dynamic', |
| 53 | 'force-size': False }) |
| 54 | |
| 55 | |
| 56 | # Successful image creation (non-default options) |
| 57 | def non_defaults(vm, file_path): |
| 58 | iotests.log("=== Successful image creation (non-default options) ===") |
| 59 | iotests.log("") |
| 60 | |
| 61 | # Not representable in CHS (fine with force-size=True) |
| 62 | size = 1048576 |
| 63 | |
| 64 | vm.blockdev_create({ 'driver': imgfmt, |
| 65 | 'file': 'protocol-node', |
| 66 | 'size': size, |
| 67 | 'subformat': 'fixed', |
| 68 | 'force-size': True }) |
| 69 | |
| 70 | |
| 71 | # Size not representable in CHS with force-size=False |
| 72 | def non_chs_size_without_force(vm, file_path): |
| 73 | iotests.log("=== Size not representable in CHS ===") |
| 74 | iotests.log("") |
| 75 | |
| 76 | # Not representable in CHS (will not work with force-size=False) |
| 77 | size = 1048576 |
| 78 | |
| 79 | vm.blockdev_create({ 'driver': imgfmt, |
| 80 | 'file': 'protocol-node', |
| 81 | 'size': size, |
| 82 | 'force-size': False }) |
| 83 | |
| 84 | |
| 85 | # Zero size |
| 86 | def zero_size(vm, file_path): |
| 87 | iotests.log("=== Zero size===") |
| 88 | iotests.log("") |
| 89 | |
| 90 | vm.blockdev_create({ 'driver': imgfmt, |
| 91 | 'file': 'protocol-node', |
| 92 | 'size': 0 }) |
| 93 | |
| 94 | |
| 95 | # Maximum CHS size |
| 96 | def maximum_chs_size(vm, file_path): |
| 97 | iotests.log("=== Maximum CHS size===") |
| 98 | iotests.log("") |
| 99 | |
| 100 | vm.blockdev_create({ 'driver': imgfmt, |
| 101 | 'file': 'protocol-node', |
| 102 | 'size': 16 * 65535 * 255 * 512 }) |
| 103 | |
| 104 | |
| 105 | # Actual maximum size |
| 106 | def maximum_size(vm, file_path): |
| 107 | iotests.log("=== Actual maximum size===") |
| 108 | iotests.log("") |
| 109 | |
| 110 | vm.blockdev_create({ 'driver': imgfmt, |
| 111 | 'file': 'protocol-node', |
| 112 | 'size': 0xff000000 * 512, |
| 113 | 'force-size': True }) |
| 114 | |
| 115 | |
| 116 | def main(): |
| 117 | for test_func in [implicit_defaults, explicit_defaults, non_defaults, |
| 118 | non_chs_size_without_force, zero_size, maximum_chs_size, |
| 119 | maximum_size]: |
| 120 | |
| 121 | with iotests.FilePath('t.vpc') as file_path, \ |
| 122 | iotests.VM() as vm: |
| 123 | |
| 124 | vm.launch() |
| 125 | |
| 126 | iotests.log('--- Creating empty file ---') |
| 127 | vm.blockdev_create({ 'driver': 'file', |
| 128 | 'filename': file_path, |
| 129 | 'size': 0 }) |
| 130 | |
| 131 | vm.qmp_log('blockdev-add', driver='file', filename=file_path, |
| 132 | node_name='protocol-node', |
| 133 | filters=[iotests.filter_qmp_testfiles]) |
| 134 | iotests.log('') |
| 135 | |
| 136 | print_info = test_func(vm, file_path) |
| 137 | iotests.log('') |
| 138 | |
| 139 | vm.shutdown() |
| 140 | iotests.img_info_log(file_path, check=False) |
| 141 | |
| 142 | |
| 143 | iotests.script_main(main, |
| 144 | supported_fmts=['vpc'], |
| 145 | supported_protocols=['file']) |