| 1 | #!/usr/bin/env python
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| 2 | # -*- coding: utf-8 -*-
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| 3 | # $Id: tdStorageSnapshotMerging1.py 79323 2019-06-25 12:33:03Z 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) 2013-2019 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: 79323 $"
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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', 'IDE', 'LsiLogicSAS', 'LsiLogic', 'BusLogic'];
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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 | #if oSession.createBaseHd can't create disk because it exists, oHd will point to some stub object anyway
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| 313 | fRc = fRc and oHd is not None and (oHd.logicalSize == oOrigBaseHd.logicalSize);
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| 314 | fRc = fRc and self.cloneMedium(oOrigBaseHd, oHd);
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| 315 |
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| 316 | fRc = fRc and oSession.ensureControllerAttached(sController);
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| 317 | fRc = fRc and oSession.setStorageControllerType(eStorageController, sController);
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| 318 | fRc = fRc and oSession.saveSettings();
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| 319 | fRc = fRc and oSession.attachHd(sHddPath, sController, iPort = 0, fImmutable=False, fForceResource=False)
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| 320 |
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| 321 | if fRc:
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| 322 | oSession.takeSnapshot('Base snapshot');
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| 323 | oSnapshot = oSession.findSnapshot('Base snapshot');
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| 324 |
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| 325 | if oSnapshot is not None:
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| 326 | oSnapshotMedium = self.getSnapshotMedium(oSnapshot, sController);
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| 327 | fRc = oSnapshotMedium is not None;
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| 328 |
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| 329 | if fFmtDynamic:
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| 330 | fRc = fRc and self.resizeMedium(oSnapshotMedium, oOrigWithDiffHd.logicalSize);
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| 331 | fRc = fRc and self.cloneMedium(oOrigWithDiffHd, oSnapshotMedium);
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| 332 | fRc = fRc and oSession.deleteSnapshot(oSnapshot.id, cMsTimeout = 120 * 1000);
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| 333 |
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| 334 | if fRc:
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| 335 | # disk for result test by checksum
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| 336 | sResFilePath = os.path.join(self.oVBox.oTstDrv.sScratchPath, 't_res.vmdk');
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| 337 | sResFilePathRaw = os.path.join(self.oVBox.oTstDrv.sScratchPath, 't_res-flat.vmdk');
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| 338 | oResHd = oSession.createBaseHd(sResFilePath, sFmt='VMDK', cb=oOrigWithDiffHd.logicalSize,
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| 339 | tMediumVariant = (vboxcon.MediumVariant_Fixed, ));
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| 340 | fRc = oResHd is not None;
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| 341 | fRc = fRc and self.cloneMedium(oHd, oResHd);
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| 342 |
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| 343 | uResCrc32 = 0;
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| 344 | if fRc:
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| 345 | uResCrc32 = crc32_of_file(sResFilePathRaw);
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| 346 | if uResCrc32 == uOrigCrc:
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| 347 | reporter.log('Snapshot merged successfully. Crc32 is correct');
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| 348 | fRc = True;
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| 349 | else:
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| 350 | reporter.error('Snapshot merging failed. Crc32 is invalid');
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| 351 | fRc = False;
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| 352 |
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| 353 | self.oVBox.deleteHdByMedium(oResHd);
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| 354 |
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| 355 | if oSession is not None:
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| 356 | if oHd is not None:
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| 357 | oSession.detachHd(sController, iPort = 0, iDevice = 0);
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| 358 |
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| 359 | oSession.saveSettings(fClose = True);
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| 360 | if oHd is not None:
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| 361 | self.oVBox.deleteHdByMedium(oHd);
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| 362 |
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| 363 | self.deleteVM(oVM);
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| 364 | return fRc;
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| 365 |
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| 366 | def test1(self):
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| 367 | """
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| 368 | Executes test #1 thru the various configurations.
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| 369 | """
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| 370 | if not self.importVBoxApi():
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| 371 | return False;
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| 372 |
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| 373 | sVmName = 'testvm';
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| 374 | reporter.testStart(sVmName);
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| 375 |
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| 376 | aoDskFmts = self.oVBoxMgr.getArray(self.oVBox.systemProperties, 'mediumFormats')
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| 377 | if aoDskFmts is None or not aoDskFmts:
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|---|
| 378 | return False;
|
|---|
| 379 |
|
|---|
| 380 | fRc = True;
|
|---|
| 381 | for sStorageCtrl in self.asStorageCtrls:
|
|---|
| 382 | reporter.testStart(sStorageCtrl);
|
|---|
| 383 | if sStorageCtrl == 'AHCI':
|
|---|
| 384 | eStorageCtrl = vboxcon.StorageControllerType_IntelAhci;
|
|---|
| 385 | elif sStorageCtrl == 'IDE':
|
|---|
| 386 | eStorageCtrl = vboxcon.StorageControllerType_PIIX4;
|
|---|
| 387 | elif sStorageCtrl == 'LsiLogicSAS':
|
|---|
| 388 | eStorageCtrl = vboxcon.StorageControllerType_LsiLogicSas;
|
|---|
| 389 | elif sStorageCtrl == 'LsiLogic':
|
|---|
| 390 | eStorageCtrl = vboxcon.StorageControllerType_LsiLogic;
|
|---|
| 391 | elif sStorageCtrl == 'BusLogic':
|
|---|
| 392 | eStorageCtrl = vboxcon.StorageControllerType_BusLogic;
|
|---|
| 393 | else:
|
|---|
| 394 | eStorageCtrl = None;
|
|---|
| 395 |
|
|---|
| 396 | for oDskFmt in aoDskFmts:
|
|---|
| 397 | if oDskFmt.id in self.asDiskFormats:
|
|---|
| 398 | reporter.testStart('%s' % (oDskFmt.id));
|
|---|
| 399 | fRc = self.test1OneCfg(eStorageCtrl, oDskFmt);
|
|---|
| 400 | reporter.testDone();
|
|---|
| 401 | if not fRc:
|
|---|
| 402 | break;
|
|---|
| 403 |
|
|---|
| 404 | reporter.testDone();
|
|---|
| 405 | if not fRc:
|
|---|
| 406 | break;
|
|---|
| 407 |
|
|---|
| 408 | reporter.testDone();
|
|---|
| 409 | return fRc;
|
|---|
| 410 |
|
|---|
| 411 | if __name__ == '__main__':
|
|---|
| 412 | sys.exit(tdStorageSnapshot().main(sys.argv));
|
|---|
