1 | #!/usr/bin/env python
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2 | # -*- coding: utf-8 -*-
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3 | # $Id: tdStorageSnapshotMerging1.py 82968 2020-02-04 10:35:17Z vboxsync $
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4 |
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5 | """
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6 | VirtualBox Validation Kit - Storage snapshotting and merging testcase.
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7 | """
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8 |
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9 | __copyright__ = \
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10 | """
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11 | Copyright (C) 2013-2020 Oracle Corporation
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12 |
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13 | This file is part of VirtualBox Open Source Edition (OSE), as
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14 | available from http://www.virtualbox.org. This file is free software;
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15 | you can redistribute it and/or modify it under the terms of the GNU
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16 | General Public License (GPL) as published by the Free Software
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17 | Foundation, in version 2 as it comes in the "COPYING" file of the
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18 | VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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19 | hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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20 |
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21 | The contents of this file may alternatively be used under the terms
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22 | of the Common Development and Distribution License Version 1.0
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23 | (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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24 | VirtualBox OSE distribution, in which case the provisions of the
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25 | CDDL are applicable instead of those of the GPL.
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26 |
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27 | You may elect to license modified versions of this file under the
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28 | terms and conditions of either the GPL or the CDDL or both.
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29 | """
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30 | __version__ = "$Revision: 82968 $"
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31 |
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32 |
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33 | # Standard Python imports.
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34 | import os;
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35 | import sys;
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36 | import zlib;
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37 |
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38 | # Only the main script needs to modify the path.
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39 | try: __file__
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40 | except: __file__ = sys.argv[0];
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41 | g_ksValidationKitDir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))));
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42 | sys.path.append(g_ksValidationKitDir);
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43 |
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44 | # Validation Kit imports.
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45 | from testdriver import reporter;
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46 | from testdriver import base;
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47 | from testdriver import vbox;
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48 | from testdriver import vboxcon;
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49 | from testdriver import vboxwrappers;
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50 |
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51 |
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52 | def crc32_of_file(filepath):
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53 | fileobj = open(filepath,'rb');
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54 | current = 0;
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55 |
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56 | while True:
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57 | buf = fileobj.read(1024 * 1024);
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58 | if not buf:
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59 | break
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60 | current = zlib.crc32(buf, current);
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61 |
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62 | fileobj.close();
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63 | return current % 2**32;
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64 |
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65 |
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66 | class tdStorageSnapshot(vbox.TestDriver): # pylint: disable=too-many-instance-attributes
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67 | """
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68 | Storage benchmark.
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69 | """
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70 | def __init__(self):
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71 | vbox.TestDriver.__init__(self);
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72 | self.asRsrcs = None;
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73 | self.oGuestToGuestVM = None;
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74 | self.oGuestToGuestSess = None;
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75 | self.oGuestToGuestTxs = None;
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76 | self.asStorageCtrlsDef = ['AHCI'];
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77 | self.asStorageCtrls = self.asStorageCtrlsDef;
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78 | #self.asDiskFormatsDef = ['VDI', 'VMDK', 'VHD', 'QED', 'Parallels', 'QCOW', 'iSCSI'];
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79 | self.asDiskFormatsDef = ['VDI', 'VMDK', 'VHD'];
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80 | self.asDiskFormats = self.asDiskFormatsDef;
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81 | self.sRndData = os.urandom(100*1024*1024);
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82 |
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83 | #
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84 | # Overridden methods.
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85 | #
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86 | def showUsage(self):
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87 | rc = vbox.TestDriver.showUsage(self);
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88 | reporter.log('');
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89 | reporter.log('tdStorageSnapshot1 Options:');
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90 | reporter.log(' --storage-ctrls <type1[:type2[:...]]>');
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91 | reporter.log(' Default: %s' % (':'.join(self.asStorageCtrls)));
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92 | reporter.log(' --disk-formats <type1[:type2[:...]]>');
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93 | reporter.log(' Default: %s' % (':'.join(self.asDiskFormats)));
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94 | return rc;
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95 |
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96 | def parseOption(self, asArgs, iArg): # pylint: disable=too-many-branches,too-many-statements
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97 | if asArgs[iArg] == '--storage-ctrls':
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98 | iArg += 1;
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99 | if iArg >= len(asArgs):
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100 | raise base.InvalidOption('The "--storage-ctrls" takes a colon separated list of Storage controller types');
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101 | self.asStorageCtrls = asArgs[iArg].split(':');
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102 | elif asArgs[iArg] == '--disk-formats':
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103 | iArg += 1;
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104 | if iArg >= len(asArgs): raise base.InvalidOption('The "--disk-formats" takes a colon separated list of disk formats');
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105 | self.asDiskFormats = asArgs[iArg].split(':');
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106 | else:
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107 | return vbox.TestDriver.parseOption(self, asArgs, iArg);
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108 | return iArg + 1;
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109 |
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110 | def getResourceSet(self):
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111 | # Construct the resource list the first time it's queried.
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112 | if self.asRsrcs is None:
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113 | self.asRsrcs = ['5.3/storage/mergeMedium/t-orig.vdi',
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114 | '5.3/storage/mergeMedium/t-fixed.vdi',
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115 | '5.3/storage/mergeMedium/t-resized.vdi'];
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116 | return self.asRsrcs;
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117 |
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118 | def actionExecute(self):
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119 | """
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120 | Execute the testcase.
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121 | """
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122 | fRc = self.test1();
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123 | return fRc;
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124 |
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125 | def resizeMedium(self, oMedium, cbNewSize):
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126 | if oMedium.deviceType is not vboxcon.DeviceType_HardDisk:
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127 | return False;
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128 |
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129 | if oMedium.type is not vboxcon.MediumType_Normal:
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130 | return False;
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131 |
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132 | #currently only VDI can be resizable. Medium variant is not checked, because testcase creates disks itself
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133 | oMediumFormat = oMedium.mediumFormat;
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134 | if oMediumFormat.id != 'VDI':
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135 | return False;
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136 |
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137 | cbCurrSize = oMedium.logicalSize;
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138 | # currently reduce is not supported
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139 | if cbNewSize < cbCurrSize:
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140 | return False;
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141 |
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142 | try:
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143 | oProgressCom = oMedium.resize(cbNewSize);
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144 | except:
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145 | reporter.logXcpt('IMedium::resize failed on %s' % (oMedium.name));
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146 | return False;
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147 | oProgress = vboxwrappers.ProgressWrapper(oProgressCom, self.oVBoxMgr, self.oVBox.oTstDrv,
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148 | 'Resize medium %s' % (oMedium.name));
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149 | oProgress.wait(cMsTimeout = 15*60*1000); # 15 min
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150 | oProgress.logResult();
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151 | return True;
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152 |
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153 | def getMedium(self, oVM, sController):
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154 | oMediumAttachments = oVM.getMediumAttachmentsOfController(sController);
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155 |
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156 | for oAttachment in oMediumAttachments:
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157 | oMedium = oAttachment.medium;
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158 | if oMedium.deviceType is not vboxcon.DeviceType_HardDisk:
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159 | continue;
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160 | if oMedium.type is not vboxcon.MediumType_Normal:
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161 | continue;
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162 | return oMedium;
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163 |
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164 | return None;
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165 |
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166 | def getSnapshotMedium(self, oSnapshot, sController):
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167 | oVM = oSnapshot.machine;
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168 | oMedium = self.getMedium(oVM, sController);
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169 |
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170 | aoMediumChildren = self.oVBoxMgr.getArray(oMedium, 'children')
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171 | if aoMediumChildren is None or not aoMediumChildren:
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172 | return None;
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173 |
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174 | for oChildMedium in aoMediumChildren:
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175 | for uSnapshotId in oChildMedium.getSnapshotIds(oVM.id):
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176 | if uSnapshotId == oVM.id:
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177 | return oChildMedium;
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178 |
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179 | return None;
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180 |
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181 | def openMedium(self, sHd, fImmutable = False):
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182 | """
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183 | Opens medium in readonly mode.
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184 | Returns Medium object on success and None on failure. Error information is logged.
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185 | """
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186 | sFullName = self.oVBox.oTstDrv.getFullResourceName(sHd);
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187 | try:
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188 | oHd = self.oVBox.findHardDisk(sFullName);
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189 | except:
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190 | try:
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191 | if self.fpApiVer >= 4.1:
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192 | oHd = self.oVBox.openMedium(sFullName, vboxcon.DeviceType_HardDisk, vboxcon.AccessMode_ReadOnly, False);
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193 | elif self.fpApiVer >= 4.0:
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194 | oHd = self.oVBox.openMedium(sFullName, vboxcon.DeviceType_HardDisk, vboxcon.AccessMode_ReadOnly);
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195 | else:
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196 | oHd = self.oVBox.openHardDisk(sFullName, vboxcon.AccessMode_ReadOnly, False, "", False, "");
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197 |
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198 | except:
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199 | reporter.errorXcpt('failed to open hd "%s"' % (sFullName));
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200 | return None;
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201 |
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202 | try:
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203 | if fImmutable:
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204 | oHd.type = vboxcon.MediumType_Immutable;
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205 | else:
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206 | oHd.type = vboxcon.MediumType_Normal;
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207 |
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208 | except:
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209 | if fImmutable:
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210 | reporter.errorXcpt('failed to set hd "%s" immutable' % (sHd));
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211 | else:
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212 | reporter.errorXcpt('failed to set hd "%s" normal' % (sHd));
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213 |
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214 | return None;
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215 |
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216 | return oHd;
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217 |
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218 | def cloneMedium(self, oSrcHd, oTgtHd):
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219 | """
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220 | Clones medium into target medium.
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221 | """
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222 | try:
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223 | oProgressCom = oSrcHd.cloneTo(oTgtHd, (vboxcon.MediumVariant_Standard, ), None);
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224 | except:
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225 | reporter.errorXcpt('failed to clone medium %s to %s' % (oSrcHd.name, oTgtHd.name));
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226 | return False;
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227 | oProgress = vboxwrappers.ProgressWrapper(oProgressCom, self.oVBoxMgr, self.oVBox.oTstDrv,
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228 | 'clone base disk %s to %s' % (oSrcHd.name, oTgtHd.name));
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229 | oProgress.wait(cMsTimeout = 15*60*1000); # 15 min
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230 | oProgress.logResult();
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231 | return True;
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232 |
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233 | def deleteVM(self, oVM):
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234 | try:
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235 | oVM.unregister(vboxcon.CleanupMode_DetachAllReturnNone);
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236 | except:
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237 | reporter.logXcpt();
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238 |
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239 | if self.fpApiVer >= 4.0:
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240 | try:
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241 | if self.fpApiVer >= 4.3:
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242 | oProgressCom = oVM.deleteConfig([]);
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243 | else:
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244 | oProgressCom = oVM.delete(None);
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245 | except:
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246 | reporter.logXcpt();
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247 | else:
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248 | oProgress = vboxwrappers.ProgressWrapper(oProgressCom, self.oVBoxMgr, self.oVBox.oTstDrv,
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249 | 'Delete VM %s' % (oVM.name));
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250 | oProgress.wait(cMsTimeout = 15*60*1000); # 15 min
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251 | oProgress.logResult();
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252 | else:
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253 | try: oVM.deleteSettings();
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254 | except: reporter.logXcpt();
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255 |
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256 | return None;
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257 |
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258 | #
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259 | # Test execution helpers.
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260 | #
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261 |
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262 | def test1OneCfg(self, eStorageController, oDskFmt):
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263 | """
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264 | Runs the specified VM thru test #1.
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265 |
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266 | Returns a success indicator on the general test execution. This is not
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267 | the actual test result.
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268 | """
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269 |
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270 | (asExts, aTypes) = oDskFmt.describeFileExtensions()
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271 | for i in range(0, len(asExts)): #pylint: disable=consider-using-enumerate
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272 | if aTypes[i] is vboxcon.DeviceType_HardDisk:
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273 | sExt = '.' + asExts[i]
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274 | break
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275 |
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276 | if sExt is None:
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277 | return False;
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278 |
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279 | oOrigBaseHd = self.openMedium('5.3/storage/mergeMedium/t-orig.vdi');
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280 | if oOrigBaseHd is None:
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281 | return False;
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282 |
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283 | #currently only VDI can be resizable. Medium variant is not checked, because testcase creates disks itself
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284 | fFmtDynamic = oDskFmt.id == 'VDI';
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285 | sOrigWithDiffHd = '5.3/storage/mergeMedium/t-fixed.vdi'
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286 | uOrigCrc = 0x7a417cbb;
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287 |
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288 | if fFmtDynamic:
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289 | sOrigWithDiffHd = '5.3/storage/mergeMedium/t-resized.vdi';
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290 | uOrigCrc = 0xa8f5daa3;
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291 |
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292 | oOrigWithDiffHd = self.openMedium(sOrigWithDiffHd);
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293 | if oOrigWithDiffHd is None:
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294 | return False;
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295 |
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296 | oVM = self.createTestVM('testvm', 1, None);
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297 | if oVM is None:
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298 | return False;
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299 |
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300 | sController = self.controllerTypeToName(eStorageController);
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301 |
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302 | # Reconfigure the VM
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303 | oSession = self.openSession(oVM);
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304 | if oSession is None:
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305 | return False;
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306 | # Attach HD
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307 |
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308 | fRc = True;
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309 | sFile = 't-base' + sExt;
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310 | sHddPath = os.path.join(self.oVBox.oTstDrv.sScratchPath, sFile);
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311 | oHd = oSession.createBaseHd(sHddPath, sFmt=oDskFmt.id, cb=oOrigBaseHd.logicalSize,
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312 | cMsTimeout = 15 * 60 * 1000); # 15 min
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313 | #if oSession.createBaseHd can't create disk because it exists, oHd will point to some stub object anyway
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314 | fRc = fRc and oHd is not None and (oHd.logicalSize == oOrigBaseHd.logicalSize);
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315 | fRc = fRc and self.cloneMedium(oOrigBaseHd, oHd);
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316 |
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317 | fRc = fRc and oSession.ensureControllerAttached(sController);
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318 | fRc = fRc and oSession.setStorageControllerType(eStorageController, sController);
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319 | fRc = fRc and oSession.saveSettings();
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320 | fRc = fRc and oSession.attachHd(sHddPath, sController, iPort = 0, fImmutable=False, fForceResource=False)
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321 |
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322 | if fRc:
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323 | oSession.takeSnapshot('Base snapshot');
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324 | oSnapshot = oSession.findSnapshot('Base snapshot');
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325 |
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326 | if oSnapshot is not None:
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327 | oSnapshotMedium = self.getSnapshotMedium(oSnapshot, sController);
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328 | fRc = oSnapshotMedium is not None;
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329 |
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330 | if fFmtDynamic:
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331 | fRc = fRc and self.resizeMedium(oSnapshotMedium, oOrigWithDiffHd.logicalSize);
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332 | fRc = fRc and self.cloneMedium(oOrigWithDiffHd, oSnapshotMedium);
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333 | fRc = fRc and oSession.deleteSnapshot(oSnapshot.id, cMsTimeout = 120 * 1000);
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334 |
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335 | if fRc:
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336 | # disk for result test by checksum
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337 | sResFilePath = os.path.join(self.oVBox.oTstDrv.sScratchPath, 't_res.vmdk');
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338 | sResFilePathRaw = os.path.join(self.oVBox.oTstDrv.sScratchPath, 't_res-flat.vmdk');
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339 | oResHd = oSession.createBaseHd(sResFilePath, sFmt='VMDK', cb=oOrigWithDiffHd.logicalSize,
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340 | tMediumVariant = (vboxcon.MediumVariant_Fixed, ),
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341 | cMsTimeout = 15 * 60 * 1000); # 15 min
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342 | fRc = oResHd is not None;
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343 | fRc = fRc and self.cloneMedium(oHd, oResHd);
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344 |
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345 | uResCrc32 = 0;
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346 | if fRc:
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347 | uResCrc32 = crc32_of_file(sResFilePathRaw);
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348 | if uResCrc32 == uOrigCrc:
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349 | reporter.log('Snapshot merged successfully. Crc32 is correct');
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350 | fRc = True;
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351 | else:
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352 | reporter.error('Snapshot merging failed. Crc32 is invalid');
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353 | fRc = False;
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354 |
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355 | self.oVBox.deleteHdByMedium(oResHd);
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356 |
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357 | if oSession is not None:
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358 | if oHd is not None:
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359 | oSession.detachHd(sController, iPort = 0, iDevice = 0);
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360 |
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361 | oSession.saveSettings(fClose = True);
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362 | if oHd is not None:
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363 | self.oVBox.deleteHdByMedium(oHd);
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364 |
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365 | self.deleteVM(oVM);
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366 | return fRc;
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367 |
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368 | def test1(self):
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369 | """
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370 | Executes test #1 thru the various configurations.
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371 | """
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372 | if not self.importVBoxApi():
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373 | return False;
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374 |
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375 | sVmName = 'testvm';
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376 | reporter.testStart(sVmName);
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377 |
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378 | aoDskFmts = self.oVBoxMgr.getArray(self.oVBox.systemProperties, 'mediumFormats')
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379 | if aoDskFmts is None or not aoDskFmts:
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380 | return False;
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381 |
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382 | fRc = True;
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383 | for sStorageCtrl in self.asStorageCtrls:
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384 | reporter.testStart(sStorageCtrl);
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385 | if sStorageCtrl == 'AHCI':
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386 | eStorageCtrl = vboxcon.StorageControllerType_IntelAhci;
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387 | elif sStorageCtrl == 'IDE':
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388 | eStorageCtrl = vboxcon.StorageControllerType_PIIX4;
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389 | elif sStorageCtrl == 'LsiLogicSAS':
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390 | eStorageCtrl = vboxcon.StorageControllerType_LsiLogicSas;
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391 | elif sStorageCtrl == 'LsiLogic':
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392 | eStorageCtrl = vboxcon.StorageControllerType_LsiLogic;
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393 | elif sStorageCtrl == 'BusLogic':
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394 | eStorageCtrl = vboxcon.StorageControllerType_BusLogic;
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395 | else:
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396 | eStorageCtrl = None;
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397 |
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398 | for oDskFmt in aoDskFmts:
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399 | if oDskFmt.id in self.asDiskFormats:
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400 | reporter.testStart('%s' % (oDskFmt.id));
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401 | fRc = self.test1OneCfg(eStorageCtrl, oDskFmt);
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402 | reporter.testDone();
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403 | if not fRc:
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404 | break;
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405 |
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406 | reporter.testDone();
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407 | if not fRc:
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408 | break;
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409 |
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410 | reporter.testDone();
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411 | return fRc;
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412 |
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413 | if __name__ == '__main__':
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414 | sys.exit(tdStorageSnapshot().main(sys.argv));
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