コード例 #1
0
def main():
    programVersion = '1.0-0'
    if os.geteuid() != 0:
        print RED + 'You must be root to run this program; exiting program execution.' + RESETCOLORS
        exit(1)
    parser = optparse.OptionParser(version=programVersion)
    options, args = parser.parse_args()
    try:
        programParentDir = ''
        cwd = os.getcwd()
        programDir = os.path.dirname(os.path.realpath(__file__))
        programParentDir = '/'.join(programDir.split('/')[:-1])
        if cwd != programParentDir:
            os.chdir(programParentDir)
    except OSError as err:
        print RED + "Unable to change into the programs parent directory '" + programParentDir + "'; fix the problem and try again; exiting program execution.\n" + str(
            err) + RESETCOLORS
        exit(1)

    osDist, osDistLevel = getOSDistribution()
    osDistVersion = osDist + ' ' + osDistLevel
    dateTimestamp = datetime.datetime.now().strftime('%d%H%M%S%b%Y')
    upgradeWorkingDir = '/tmp/CoE_SAP_HANA_' + osDist + '_Upgrade_Working_Dir_' + dateTimestamp
    try:
        os.mkdir(upgradeWorkingDir)
    except OSError as err:
        print RED + "Unable to create '" + upgradeWorkingDir + "' in preparation for the upgrade; fix the problem and try again; exiting program execution." + RESETCOLORS
        exit(1)

    logDir = upgradeWorkingDir + '/log'
    try:
        os.mkdir(logDir)
    except OSError as err:
        print RED + "Unable to create the pre-upgrade log directory '" + logDir + "'; fix the problem and try again; exiting program execution.\n" + str(
            err) + RESETCOLORS
        exit(1)

    statusLogFile = logDir + '/status.log'
    debugLogFile = logDir + '/debug.log'
    statusHandler = logging.FileHandler(statusLogFile)
    debugHandler = logging.FileHandler(debugLogFile)
    formatter = logging.Formatter('%(asctime)s:%(levelname)s:%(message)s',
                                  datefmt='%m/%d/%Y %H:%M:%S')
    statusHandler.setFormatter(formatter)
    debugHandler.setFormatter(formatter)
    logger = logging.getLogger('coeOSUpgradeLogger')
    logger.setLevel(logging.INFO)
    logger.addHandler(statusHandler)
    debugLogger = logging.getLogger('coeOSUpgradeDebugLogger')
    debugLogger.setLevel(logging.INFO)
    debugLogger.addHandler(debugHandler)
    debugLogger.info("The program's version is: " + programVersion + '.')
    debugLogger.info("The server's OS distribution Version is: " +
                     osDistVersion + '.')
    backupList, ctrlFileImg = backupPreparation(upgradeWorkingDir,
                                                programParentDir,
                                                osDistVersion)
    backupISO, archiveImage = createBackup(backupList, upgradeWorkingDir,
                                           osDist)
    print GREEN + 'The pre-upgrade backup successfully completed.\n\nSave the following files and their md5sum files if applicable to another system:\n\t- ' + backupISO + '\n\t- ' + archiveImage + '\n\t- ' + ctrlFileImg + BOLD + PURPLE + '\n\n**** Finally, make sure to copy the files in binary format to avoid corrupting the files; you should also double check the files and their contents before continuing with the upgrade. ****' + RESETCOLORS
コード例 #2
0
def main():
    programVersion = '2017.05-rc11'
    if os.geteuid() != 0:
        print RED + 'You must be root to run this program; exiting program execution.' + RESETCOLORS
        exit(1)
    try:
        programParentDir = ''
        cwd = os.getcwd()
        programDir = os.path.dirname(os.path.realpath(__file__))
        programParentDir = '/'.join(programDir.split('/')[:-1])
        if cwd != programParentDir:
            os.chdir(programParentDir)
    except OSError as err:
        print RED + "Unable to change into the programs parent directory '" + programParentDir + "'; fix the problem and try again; exiting program execution.\n" + str(
            err) + RESETCOLORS
        exit(1)

    osDist = getOSDistribution()
    dateTimestamp = datetime.datetime.now().strftime('%d%H%M%b%Y')
    upgradeWorkingDir = '/tmp/CoE_SAP_HANA_' + osDist + '_Upgrade_Working_Dir_' + dateTimestamp
    if not os.path.exists(upgradeWorkingDir):
        try:
            if osDist == 'SLES':
                postUpgradeScriptDir = programParentDir + '/postUpgradeScriptFiles/SLES'
            else:
                postUpgradeScriptDir = programParentDir + '/postUpgradeScriptFiles/RHEL'
            shutil.copytree(postUpgradeScriptDir, upgradeWorkingDir)
        except OSError as err:
            print RED + "Unable to copy the post-upgrade script files from '" + postUpgradeScriptDir + "' to '" + upgradeWorkingDir + "/postUpgradeScriptFiles'; fix the problem and try again; exiting program execution." + RESETCOLORS
            exit(1)

    logDir = upgradeWorkingDir + '/log'
    if not os.path.isdir(logDir):
        try:
            os.mkdir(logDir)
        except OSError as err:
            print RED + "Unable to create the pre-upgrade log directory '" + logDir + "'; fix the problem and try again; exiting program execution.\n" + str(
                err) + RESETCOLORS
            exit(1)

    logFile = logDir + '/' + osDist + '_Pre-Upgrade_' + dateTimestamp + '.log'
    handler = logging.FileHandler(logFile)
    logger = logging.getLogger('coeOSUpgradeLogger')
    logger.setLevel(logging.INFO)
    formatter = logging.Formatter('%(asctime)s:%(levelname)s:%(message)s',
                                  datefmt='%m/%d/%Y %H:%M:%S')
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    logger.info("The program's version is: " + programVersion + '.')
    backupList, serverModel, ctrlFileImg, cs500HSWScaleOut = backupPreparation(
        upgradeWorkingDir, programParentDir, osDist)
    backupISO, archiveImage = createBackup(backupList, upgradeWorkingDir,
                                           osDist)
    if 'Superdome' in serverModel:
        print not 'SLES' in osDist and not cs500HSWScaleOut and GREEN + 'The pre-upgrade backup successfully completed.\n\nSave the following files and their md5sum files if applicable to another system:\n\t- ' + backupISO + '\n\t- ' + archiveImage + BOLD + PURPLE + '\n\n**** Finally, make sure to copy the files in binary format to avoid corrupting the files; you should also double check the files and their contents before continuing with the upgrade. ****' + RESETCOLORS
    else:
        print GREEN + 'The pre-upgrade backup successfully completed.\n\nSave the following files and their md5sum if applicable to another system:\n\t- ' + backupISO + '\n\t- ' + archiveImage + '\n\t- ' + ctrlFileImg + BOLD + PURPLE + '\n\n**** Finally, make sure to copy the files in binary format to avoid corrupting the files; you should also double check the files and their contents before continuing with the upgrade. ****' + RESETCOLORS
コード例 #3
0
ファイル: rhelUpgrade.py プロジェクト: publiccoding/os_deploy
def main():
    programVersion = '1.0-0'
    programName = os.path.basename(sys.argv[0]).split('.')[0]
    programParentDir = os.path.dirname(os.path.realpath(__file__))
    errorsEncountered = False
    upgradeFeedbackThread = None
    if os.geteuid() != 0:
        print RED + 'You must be root to run this program; exiting program execution.' + RESETCOLORS
        exit(1)
    usage = 'usage: %prog [-h] [-v]'
    parser = optparse.OptionParser(usage=usage)
    parser.add_option('-v', action='store_true', default=False, help="This option is used to display the application's version.")
    options, args = parser.parse_args()
    if options.v:
        print programName + ' ' + programVersion
        exit(0)
    osDist, _ = getOSDistribution()
    logDir = '/var/log/CoESapHANA_' + osDist + '_UpgradeLogDir'
    if not os.path.isdir(logDir):
        print RED + "The upgrade log directory '" + logDir + "' is missing, it was created by the preupgrade script; fix the problem and try again; exiting program execution.\n" + str(err) + RESETCOLORS
        exit(1)
    upgradeLogFile = logDir + '/upgrade.log'
    try:
        with open(logDir + '/upgradeVersionReference.log', 'r') as f:
            osUpgradeVersion = f.readline().strip()
    except OSError as err:
        upgradeLogger.error("Errors were encountered while reading the OS upgrade version log file '" + logDir + "/upgradeVersionReference.log'.\n" + str(err))
        print RED + 'Errors were encountered while reading the OS upgrade version log file; fix the problem and try again; exiting program execution.' + RESETCOLORS
        exit(1)

    upgradeHandler = logging.FileHandler(upgradeLogFile)
    formatter = logging.Formatter('%(asctime)s:%(levelname)s:%(message)s', datefmt='%m/%d/%Y %H:%M:%S')
    upgradeHandler.setFormatter(formatter)
    upgradeLogger = logging.getLogger('coeOSUpgradeLogger')
    upgradeLogger.setLevel(logging.INFO)
    upgradeLogger.addHandler(upgradeHandler)
    upgradeLogger.info("The program's version is: " + programVersion + '.')
    upgradeLogger.info('Upgrading the server to ' + osUpgradeVersion + '.')
    print GREEN + 'Upgrading the server to ' + osUpgradeVersion + '.' + RESETCOLORS
    serverModel = getServerModel()
    if 'DL580' in serverModel:
        motdInfo = 'HPE SAP HANA CS500 Converged System'
        releaseInfo = 'HPE SAP HANA CoE CS500'
    elif serverModel == 'ProLiant DL360 Gen9' or serverModel == 'ProLiant DL380p Gen8':
        motdInfo = 'HPE SAP HANA Serviceguard NFS Server'
        releaseInfo = 'HPE SAP HANA CoE Serviceguard NFS Server'
    elif serverModel == 'Superdome':
        motdInfo = 'HPE SAP HANA CS900 Converged System'
        releaseInfo = 'HPE SAP HANA CoE CS900'
    progressStatusFile = logDir + '/progress.log'
    try:
        if os.path.isfile(progressStatusFile):
            f = open(progressStatusFile, 'a+')
            progressDict = dict.fromkeys((x.strip() for x in f))
        else:
            f = open(progressStatusFile, 'w')
            progressDict = {}
        if 'cleanupGrubCfg' not in progressDict:
            cleanupGrubCfg()
            f.write('cleanupGrubCfg\n')
        if 'filesystemRPMUpgraded' not in progressDict:
            upgradeLogger.info('Updating the filesystem package.')
            command = 'rpm -Uvh /tmp/rhelFilesystemRPM/filesystem*.rpm'
            result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
            out, err = result.communicate()
            if result.returncode != 0:
                upgradeLogger.error('Failed to upgrade the filesystem RPM (/tmp/rhelFilesystemRPM/filesystem*.rpm):\n' + err + '\n' + out)
                print RED + 'Failed to upgrade the filesystem RPM (/tmp/rhelFilesystemRPM/filesystem*.rpm); fix the problem and try again; exiting program execution.' + RESETCOLORS
                exit(1)
            else:
                f.write('filesystemRPMUpgraded\n')
        imageDevice = '/dev/sr0'
        while True:
            command = 'mount -o loop ' + imageDevice + ' /mnt'
            result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
            out, err = result.communicate()
            if result.returncode != 0:
                if 'is already mounted' not in err.lower():
                    upgradeLogger.error('Failed to mount the RHEL DVD on /mnt.\n' + err + '\n' + out)
                    upgradeLogger.info('The command used to mount the RHEL DVD on /mnt was: ' + command)
                    upgradeLogger.info("Prompting for the DVD's scsci device file.")
                    print RED + 'Failed to mount the RHEL DVD using device file ' + imageDevice + '.\n' + RESETCOLORS
                    response = raw_input("Please provide the correct device file for the RHEL DVD (hint check dmesg (tail dmesg)) or 'q' to quit: ")
                    response = response.strip()
                    if response.lower() == 'q':
                        upgradeLogger.info('The upgrade was cancelled.')
                        exit(1)
                    else:
                        imageDevice = response
                else:
                    upgradeLogger.info('An attempt to mount the DVD reported that it was already mounted; thus, continuing the upgrade.\n' + err + '\n' + out)
                    break
            else:
                break

        try:
            command = 'yum --disablerepo=* clean all'
            result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
            out, err = result.communicate()
            if result.returncode != 0:
                if 'there are no enabled repos' not in err.lower():
                    upgradeLogger.error('Errors were encountered while disabling the current repositories.\n' + err + '\n' + out)
                    upgradeLogger.info('The command used to disable the current repositories was: ' + command)
                    print RED + 'Errors were encountered while disabling the current repositories; fix the problem and try again; exiting program execution.' + RESETCOLORS
                    exit(1)
            if os.path.isfile('/etc/yum.repos.d/HPECoERHELUpgrade.repo'):
                try:
                    os.remove('/etc/yum.repos.d/HPECoERHELUpgrade.repo')
                    time.sleep(1.0)
                except OSError as err:
                    upgradeLogger.error('Errors were encountered while removing the upgrade repository /etc/yum.repos.d/HPECoERHELUpgrade.repo.\n' + str(err))
                    print RED + 'Errors were encountered while removing the upgrade repository; the repository will need to be removed manually.' + RESETCOLORS
                    exit(1)

            if not os.path.isdir('/tmp/CoEYumRepoBackupDir'):
                try:
                    os.mkdir('/tmp/CoEYumRepoBackupDir')
                except OSError as err:
                    upgradeLogger.error('Errors were encountered while creating the yum repository backup directory /tmp/CoEYumRepoBackupDir.\n' + str(err))
                    print RED + 'Errors were encountered while creating the yum repository backup directory; fix the problem and try again; exiting program execution.' + RESETCOLORS
                    exit(1)

                try:
                    repoFiles = os.listdir('/etc/yum.repos.d')
                    for file in repoFiles:
                        shutil.move('/etc/yum.repos.d/' + file, '/tmp/CoEYumRepoBackupDir/' + file)

                except (OSError, IOError, Error) as err:
                    upgradeLogger.error('Errors were encountered while moving the yum repository files from /etc/yum.repos.d to backup directory /tmp/CoEYumRepoBackupDir.\n' + str(err))
                    print RED + 'Errors were encountered while moving the yum repository files to the backup directory; fix the problem and try again; exiting program execution.' + RESETCOLORS
                    exit(1)

            command = 'cp /mnt/media.repo /etc/yum.repos.d/HPECoERHELUpgrade.repo'
            result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
            out, err = result.communicate()
            if result.returncode != 0:
                upgradeLogger.error('Failed to get a copy of the RHEL DVD repo file.\n' + err + '\n' + out)
                upgradeLogger.info('The command used to get a copy of the RHEL DVD repo file was: ' + command)
                print RED + 'Failed to get a copy of the RHEL DVD repo file; fix the problem and try again; exiting program execution.' + RESETCOLORS
                exit(1)
            if 'serverUpgraded' not in progressDict:
                upgradeLogger.info('Updating the baseurl for the install media in the upgrade repo file /etc/yum.repos.d/HPECoERHELUpgrade.repo. Also, adding the SAPHana repository to the file.')
                try:
                    with open('/etc/yum.repos.d/HPECoERHELUpgrade.repo', 'a') as repoFile:
                        repoFile.write('baseurl=file:///mnt\n')
                        repoFile.write('enabled=1\n')
                        repoFile.write('\n')
                        repoFile.write('[SAP_HANA_RPMS]\n')
                        repoFile.write('name=SAP HANA RPMS\n')
                        repoFile.write('baseurl=file:///mnt/addons/SAPHana\n')
                        repoFile.write('enabled=1\n')
                        repoFile.write('gpgcheck=0\n')
                except OSError as err:
                    upgradeLogger.error('Errors were encountered while updating the upgrade repo file (/etc/yum.repos.d/HPECoERHELUpgrade.repo).\n' + str(err))
                    print RED + 'Errors were encountered while updating the upgrade repo file; fix the problem and try again; exiting program execution.' + RESETCOLORS
                    exit(1)

                upgradeLogger.info('Applying updates to upgrade the server.')
                upgradeFeedbackThread = UpgradeFeedbackThread()
                upgradeFeedbackThread.setMessage('Applying updates to upgrade the server.')
                upgradeFeedbackThread.start()
                for output in processRPMS('upgrade'):
                    upgradeLogger.info(output)

                f.write('serverUpgraded\n')
            if 'installedAdditionalRPMS' not in progressDict:
                command = 'rpm -qa --qf "%{NAME}\n" | sort > /tmp/currentRHEL7.4RPMList'
                result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
                out, err = result.communicate()
                if result.returncode != 0:
                    upgradeLogger.error("Errors were encountered while getting the server's RPM list.\n" + err + '\n' + out)
                    upgradeLogger.info("The command used to get the server's RPM list was: " + command)
                    print RED + "\nErrors were encountered while getting the server's RPM list; fix the problem and try again; exiting program execution." + RESETCOLORS
                    exit(1)
                command = 'comm -23 ' + programParentDir + '/rhelRPMReferenceList/rhel7.4RPMList /tmp/currentRHEL7.4RPMList'
                result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
                out, err = result.communicate()
                if result.returncode != 0:
                    upgradeLogger.error('Errors were encountered while getting the list of RPMS that were not installed.\n' + err + '\n' + out)
                    upgradeLogger.info('The command used to get the list of RPMS that were not installed was: ' + command)
                    print RED + '\nErrors were encountered while getting the list of RPMS that were not installed; fix the problem and try again; exiting program execution.' + RESETCOLORS
                    exit(1)
                rpmsNotInstalledList = out.splitlines()
                if len(rpmsNotInstalledList) > 0:
                    upgradeLogger.info('Installing additional RPMS to enable uniformity amongst ConvergedSystems.')
                    if upgradeFeedbackThread == None:
                        upgradeFeedbackThread = UpgradeFeedbackThread()
                    upgradeFeedbackThread.setMessage('Installing additional RPMS to enable uniformity amongst ConvergedSystems.')
                    upgradeFeedbackThread.start()
                    for output in processRPMS('install'):
                        upgradeLogger.info(output)

                else:
                    upgradeLogger.info('A comparison of the RPMS installed and what was listed in RPM reference list showed that no additional RPMS needed to be installed.')
                f.write('installedAdditionalRPMS\n')
            if 'appliedSecurityPatches' not in progressDict:
                try:
                    with open('/etc/yum.repos.d/HPECoERHELUpgrade.repo', 'a') as repoFile:
                        repoFile.write('baseurl=file:///mnt\n')
                        repoFile.write('enabled=1\n')
                        repoFile.write('\n')
                        repoFile.write('[Security_Patches]\n')
                        repoFile.write('name=Security Patches\n')
                        repoFile.write('baseurl=file:///mnt/addons/SecurityPatches\n')
                        repoFile.write('enabled=1\n')
                        repoFile.write('gpgcheck=0\n')
                except OSError as err:
                    upgradeLogger.error('Errors were encountered while updating the upgrade repo file with security patch information.\n' + str(err))
                    print RED + 'Errors were encountered while updating the upgrade repo file; fix the problem and try again; exiting program execution.' + RESETCOLORS
                    exit(1)

                if upgradeFeedbackThread == None:
                    upgradeFeedbackThread = UpgradeFeedbackThread()
                upgradeLogger.info('Applying security patches to the server.')
                upgradeFeedbackThread.setMessage('Applying security patches to the server.')
                upgradeFeedbackThread.start()
                for output in processRPMS('install'):
                    upgradeLogger.info(output)

                f.write('appliedSecurityPatches\n')
        finally:
            if not upgradeFeedbackThread == None:
                upgradeFeedbackThread.stopThread()
            command = 'umount /mnt'
            result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
            out, err = result.communicate()
            if result.returncode != 0:
                upgradeLogger.error('Errors were encountered while unmounting the OS DVD.\n' + err + '\n' + out)

    except IOError as err:
        upgradeLogger.error('Could not access ' + progressStatusFile + '.\n' + str(err))
        print RED + "Could not access '" + progressStatusFile + "'; fix the problem and try again." + RESETCOLORS
    finally:
        f.close()

    upgradeLogger.info('Removing the upgrade repository and restoring the original repositories.')
    try:
        os.remove('/etc/yum.repos.d/HPECoERHELUpgrade.repo')
    except OSError as err:
        upgradeLogger.error('Errors were encountered while removing the upgrade repository /etc/yum.repos.d/HPECoERHELUpgrade.repo.\n' + str(err))
        print RED + 'Errors were encountered while removing the upgrade repository; the repository will need to be removed manually.' + RESETCOLORS

    try:
        repoFiles = os.listdir('/tmp/CoEYumRepoBackupDir')
        for file in repoFiles:
            shutil.move('/tmp/CoEYumRepoBackupDir/' + file, '/etc/yum.repos.d/' + file)

        os.rmdir('/tmp/CoEYumRepoBackupDir/')
    except (OSError, IOError, Error) as err:
        upgradeLogger.error('Errors were encountered while moving the repository files in /tmp/CoEYumRepoBackupDir back to /etc/yum.repos.d and then deleting the directory.\n' + str(err))
        print RED + 'Errors were encountered while moving the repository files back in place; the files will need to be moved manually and the backup directory removed.' + RESETCOLORS

    upgradeLogger.info('Updating /etc/motd with the message:\n\tThis is RHEL for SAP Applications on a ' + motdInfo + '.')
    try:
        with open('/etc/motd', 'w') as motdFile:
            motdFile.write('This is RHEL for SAP Applications on a ' + motdInfo + '.')
    except OSError as err:
        upgradeLogger.error('Errors were encountered while updating the motd file.\n' + str(err))
        upgradeLogger.info('The following was being written to /etc/motd:\n' + 'This is RHEL for SAP Applications on a ' + motdInfo + '.')
        print RED + 'Errors were encountered while updating the motd file; the file will have to be updated manually, see the log file for the message.' + RESETCOLORS

    date = datetime.datetime.now()
    upgradeLogger.info('Updating /etc/hpe-release with the release information:\n\t' + releaseInfo + ' Upgrade Release ' + programVersion + '.\n\tUpgraded on ' + date.strftime('%b %d, %Y @ %H:%M:%S') + '.')
    try:
        with open('/etc/hpe-release', 'w') as releaseFile:
            releaseFile.write(releaseInfo + ' Upgrade Release ' + programVersion + '.\n')
            releaseFile.write('Upgraded on ' + date.strftime('%b %d, %Y @ %H:%M:%S') + '.')
    except OSError as err:
        upgradeLogger.error('Errors were encountered while updating the hpe-release file.\n' + str(err))
        upgradeLogger.info('The following was being written to /etc/hpe-release:\n' + releaseInfo + ' Upgrade Release ' + programVersion + '.\nUpgraded on ' + date.strftime('%b %d, %Y @ %H:%M:%S') + '.')
        print RED + 'Errors were encountered while updating the hpe-releae file; the file will have to be updated manually, see the log file for its contents.' + RESETCOLORS

    upgradeLogger.info('Disabling kdump and openwsmand if they are enabled.')
    serviceList = ['kdump.service', 'openwsmand.service']
    for service in serviceList:
        command = 'systemctl is-enabled ' + service
        result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
        out, err = result.communicate()
        if result.returncode != 0 and out.strip() != 'disabled':
            upgradeLogger.error('Errors were encountered while checking to see if ' + service + ' is enabled.\n' + err + '\n' + out)
            upgradeLogger.info('The command used to check if ' + service + ' is enabled was: ' + command)
            print RED + 'Errors were encountered while checking to see if ' + service + ' is enabled before disabling the service; the service will have to be checked and disabled manually.' + RESETCOLORS
        elif out.strip() == 'enabled':
            command = 'systemctl disable ' + service
            result = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
            out, err = result.communicate()
            if result.returncode != 0:
                upgradeLogger.error('Errors were encountered while disabling ' + service + '.\n' + err + '\n' + out)
                upgradeLogger.info('The command used to disable ' + service + ' was: ' + command)
                print RED + 'Errors were encountered while disabling ' + service + '; the service will have to be disabled manually.' + RESETCOLORS

    upgradeLogger.info('Done upgrading the server to ' + osUpgradeVersion + '.')
    print GREEN + 'Done upgrading the server to ' + osUpgradeVersion + '; proceed with the next steps in the upgrade process.' + RESETCOLORS
    return
コード例 #4
0
def main():
    programVersion = '2018.03-0'
    addOnSoftwareInstalled = False
    hanaPartitionsRestored = False
    scaleUpSystem = False
    errorMessageList = []
    if os.geteuid() != 0:
        print RED + 'You must be root to run this program; exiting program execution.' + RESETCOLORS
        exit(1)
    usage = 'usage: %prog [[-h] [-p] [-v]]'
    parser = optparse.OptionParser(usage = usage)
    parser.add_option('-p', action = 'store_true', default = False, help = 'This option should be ran from the primary NFS Serviceguard node after the upgrade of both nodes when the upgrade caused the NIC cards to be renamed on one or both of the NFS Serviceguard nodes.')
    parser.add_option('-v', action = 'store_true', default = False, help = "This option is used to display the application's version.")
    (options, args) = parser.parse_args()
    programName = os.path.basename(sys.argv[0])
    if options.v:
        print programName + ' ' + programVersion
        exit(0)
    (osDist, osDistLevel) = getOSDistribution()
    upgradeLogDir = '/var/log/CoESapHANA_' + osDist + '_UpgradeLogDir'
    if not os.path.isdir(upgradeLogDir):
        
        try:
            os.mkdir(upgradeLogDir)
        except OSError:
            err = None
            print RED + "Unable to create the post upgrade log directory '" + upgradeLogDir + "'; fix the problem and try again; exiting program execution.\n" + str(err) + RESETCOLORS
            exit(1)
        

    dateTimestamp = datetime.datetime.now().strftime('%d%H%M%b%Y')
    logFile = upgradeLogDir + '/' + osDist + '_Post_Upgrade_' + dateTimestamp + '.log'
    handler = logging.FileHandler(logFile)
    logger = logging.getLogger('coeOSUpgradeLogger')
    logger.setLevel(logging.INFO)
    formatter = logging.Formatter('%(asctime)s:%(levelname)s:%(message)s', datefmt = '%m/%d/%Y %H:%M:%S')
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    logger.info('The current version of the program is: ' + programVersion + '.')
    serverModel = getServerModel()
    if 'DL580' in serverModel:
        processor = getProcessorType()
    if options.p:
        if not 'DL380p' in serverModel or 'DL360p' in serverModel:
            print RED + "The '-p' option is only for Serviceguard NFS servers; exiting program execution." + RESETCOLORS
            exit(1)
        updateClusterCfg()
    else:
        
        try:
            programParentDir = ''
            cwd = os.getcwd()
            programParentDir = os.path.dirname(os.path.realpath(__file__))
            if cwd != programParentDir:
                os.chdir(programParentDir)
        except OSError:
            err = None
            logger.error("Unable to change into the programs parent directory '" + programParentDir + "'.\n" + str(err))
            print RED + "Unable to change into the programs parent directory '" + programParentDir + "'; fix the problem and try again; exiting program execution." + RESETCOLORS
            exit(1)

        if osDist == 'SLES':
            checkNetworkConfiguration = checkSLESNetworkConfiguration
            import modules.upgradeMisc
        else:
            checkNetworkConfiguration = checkRHELNetworkConfiguration
            import modules.upgradeMisc
        if 'DL580' in serverModel or serverModel == 'Superdome':
            if osDist == 'SLES':
                updateOSSettings = updateSLESOSSettings
                import modules.sapHANANodeSpec
            else:
                updateOSSettings = updateRHELOSSettings
                import modules.sapHANANodeSpec
        if 'DL580' in serverModel:
            command = 'cat /proc/scsi/scsi'
            result = subprocess.Popen(command, stdout = subprocess.PIPE, stderr = subprocess.PIPE, shell = True)
            (out, err) = result.communicate()
            out = out.strip()
            if result.returncode != 0:
                logger.error('Unable to determine if the DL580 is a Scale-up.\n' + str(out) + '\n' + str(err))
                print RED + 'Unable to determine if the DL580 is a Scale-up; fix the problem and try again; exiting program execution.' + RESETCOLORS
                exit(1)
            searchResult = re.search('P830i', out, re.MULTILINE | re.DOTALL)
            if not searchResult == None:
                globalIni = 'global.ini'
                globalIniList = []
                scaleOutSystem = False
                for (root, dirs, files) in os.walk(programParentDir):
                    if globalIni in files:
                        globalIniList.append(root + '/' + globalIni)
                        continue
                for file in globalIniList:
                    with open(file, 'r') as f:
                        data = f.read()
                        if re.match('.*log|data_{1,}wwid\\s*=\\s*360002ac0+', data, re.MULTILINE | re.DOTALL) != None:
                            scaleOutSystem = True
                            multipathArguments = [
                                'enable',
                                'start']
                            for argument in multipathArguments:
                                command = 'systemctl ' + argument + ' multipathd'
                                result = subprocess.Popen(command, stdout = subprocess.PIPE, stderr = subprocess.PIPE, shell = True)
                                (out, err) = result.communicate()
                                out = out.strip()
                                if result.returncode != 0:
                                    logger.error('Unable to ' + argument + ' multipathd.\n' + str(out) + '\n' + str(err))
                                    print RED + 'Unable to ' + argument + ' multipathd; fix the problem and try again; exiting program execution.' + RESETCOLORS
                                    exit(1)
                                time.sleep(0.1)
                            
                            break
                
                if not scaleOutSystem:
                    scaleUpSystem = True
                
            
        upgradeResourceDict = { }
        
        try:
            with open('upgradeResourceFile') as f:
                for line in f:
                    line = line.strip()
                    if len(line) == 0 and re.match('^\\s*#', line) or re.match('^\\s+$', line):
                        continue
                        continue
                    line = re.sub('[\'"]', '', line)
                    (key, val) = line.split('=')
                    key = key.strip()
                    upgradeResourceDict[key] = re.sub('\\s*,\\s*', ',', val).strip()
        except IOError:
            err = None
            logger.error("Unable to access the application's resource file 'upgradeResourceFile'.\n" + str(err))
            print RED + "Unable to access the application's resource file 'upgradeResourceFile'; fix the problem and try again; exiting program execution." + RESETCOLORS
            exit(1)

        sessionScreenLog = upgradeLogDir + '/sessionScreenLog.log'
        cursesLog = upgradeLogDir + '/cursesLog.log'
        
        try:
            cursesThread = CursesThread(sessionScreenLog, cursesLog)
            cursesThread.daemon = True
            cursesThread.start()
            osRestorationArchiveErrorFile = upgradeLogDir + '/.osRestorationArchiveError'
            if not os.path.isfile(osRestorationArchiveErrorFile):
                
                try:
                    os.mknod(osRestorationArchiveErrorFile)
                except OSError:
                    err = None
                    logger.error("Unable to create the OS restoration archive error file '" + osRestorationArchiveErrorFile + "'.\n" + str(err))
                    displayErrorMessage("Unable to create the OS restoration archive error file '" + osRestorationArchiveErrorFile + "'; fix the problem and try again.", cursesThread)
                

            progressStatusFile = upgradeLogDir + '/.restorationProgress'
            
            try:
                if os.path.isfile(progressStatusFile):
                    with open(progressStatusFile) as f:
                        progressDict = dict.fromkeys(lambda .0: continue(f))
                else:
                    progressDict = { }
                if os.path.isfile(progressStatusFile):
                    f = open(progressStatusFile, 'a')
                else:
                    f = open(progressStatusFile, 'w')
                osRestorationArchiveExtracted = False
                
                try:
                    if os.stat(osRestorationArchiveErrorFile).st_size < 50 and 'osRestorationArchiveExtracted' not in progressDict:
                        cursesThread.insertMessage([
                            'informative',
                            'Checking and extracting the OS restoration archive file.'])
                        cursesThread.insertMessage([
                            'informative',
                            ''])
                        osRestorationArchive = checkOSRestorationArchive(programParentDir, osRestorationArchiveErrorFile, osDist, cursesThread)
                        extractOSRestorationArchive(osRestorationArchive, osRestorationArchiveErrorFile, cursesThread)
                        f.write('osRestorationArchiveExtracted\n')
                        osRestorationArchiveExtracted = True
                except OSError:
                    err = None
                    logger.error("Unable to access the OS restoration archive error file '" + osRestorationArchiveErrorFile + "'.\n" + str(err))
                    displayErrorMessage("Unable to access the OS restoration archive error file '" + osRestorationArchiveErrorFile + "'; fix the problem and try again.", cursesThread)

                if os.path.isdir(programParentDir + '/addOnSoftwareRPMS'):
                    if 'installaddOnSoftware' not in progressDict:
                        f.write('installaddOnSoftware\n')
                        if osDist == 'SLES':
                            (errorMessage, addOnSoftwareInstalled) = installSLESAddOnSoftware(programParentDir, cursesThread)
                        else:
                            (errorMessage, addOnSoftwareInstalled) = installRHELAddOnSoftware(programParentDir, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The additional RPMs were not installed, since an attempt to add them was already made.')
                else:
                    addOnSoftwareInstalled = True
                    logger.info('There were no additional RPMs present for the post-upgrade.')
                if 'setTimezone' not in progressDict:
                    f.write('setTimezone\n')
                    errorMessage = setTimezone(programParentDir, cursesThread)
                    if len(errorMessage) > 0:
                        errorMessageList.append(errorMessage)
                    
                else:
                    errorMessageList.append('The time zone was not set, since an attempt to set it was already made.')
                if 'checkNetworkConfiguration' not in progressDict:
                    if 'osRestorationArchiveExtracted' in progressDict or osRestorationArchiveExtracted:
                        f.write('checkNetworkConfiguration\n')
                        if (serverModel == 'ProLiant DL320e Gen8 v2' or serverModel == 'ProLiant DL360 Gen9') and osDistLevel == '11.4':
                            errorMessage = checkNetworkConfiguration(programParentDir, osDist, cursesThread, osDistLevel = osDistLevel)
                        else:
                            errorMessage = checkNetworkConfiguration(programParentDir, osDist, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The network configuration was not checked; either because it was already checked or the OS restoration archive was not successfully extracted.')
                if not (serverModel == 'ProLiant DL320e Gen8 v2' or serverModel == 'ProLiant DL360 Gen9') and osDistLevel == '11.4':
                    if 'setHostname' not in progressDict:
                        f.write('setHostname\n')
                        errorMessage = setHostname(programParentDir, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The host name was not set, since an attempt to set it was already made.')
                if osDist == 'SLES':
                    if 'updateNTPConf' not in progressDict:
                        f.write('updateNTPConf\n')
                        errorMessage = updateNTPConf(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The ntp configuration was not updated, since an attempt to update it was already made.')
                    if 'configureSnapper' not in progressDict:
                        f.write('configureSnapper\n')
                        errorMessage = configureSnapper(osDistLevel, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The snapper configuration was not updated, since an attempt to update it was already made.')
                if serverModel != 'Superdome':
                    if 'updateMultipathConf' not in progressDict:
                        f.write('updateMultipathConf\n')
                        errorMessage = updateMultipathConf(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The multipath blacklist configuration was not updated, since an attempt to update it was already made.')
                if 'DL580' in serverModel or serverModel == 'Superdome':
                    if 'DL580' in serverModel:
                        if 'updateBIOS' not in progressDict and addOnSoftwareInstalled:
                            f.write('updateBIOS\n')
                            errorMessage = updateBIOS(programParentDir, cursesThread)
                            if len(errorMessage) > 0:
                                errorMessageList.append(errorMessage)
                            
                        else:
                            errorMessageList.append('The BIOS was not updated; either because it was already updated or the additional RPMs failed to install.')
                        if os.path.isdir(programParentDir + '/addOnFileArchive'):
                            if 'installAddOnFiles' not in progressDict:
                                f.write('installAddOnFiles\n')
                                errorMessage = installAddOnFiles(programParentDir, upgradeResourceDict.copy(), osDist, cursesThread, processor = processor)
                                if len(errorMessage) > 0:
                                    errorMessageList.append(errorMessage)
                                
                            else:
                                errorMessageList.append('The files from the add on files archive were not installed, since an attempt to add them was already made.')
                        
                    if serverModel == 'Superdome':
                        if os.path.isdir(programParentDir + '/addOnFileArchive'):
                            if 'installAddOnFiles' not in progressDict:
                                f.write('installAddOnFiles\n')
                                errorMessage = installAddOnFiles(programParentDir, upgradeResourceDict.copy(), osDist, cursesThread, serverModel = serverModel)
                                if len(errorMessage) > 0:
                                    errorMessageList.append(errorMessage)
                                
                            else:
                                errorMessageList.append('The files from the add on files archive were not installed, since an attempt to add them was already made.')
                        if osDist == 'SLES':
                            if 'updateKdump' not in progressDict:
                                f.write('updateKdump\n')
                                errorMessage = updateKdump(cursesThread)
                                if len(errorMessage) > 0:
                                    errorMessageList.append(errorMessage)
                                
                            else:
                                errorMessageList.append('The update of kdump.service to address bug 1008170 was not performed, since an attempt to update the service was already made.')
                        
                    if 'restoreHANAUserAccounts' not in progressDict:
                        f.write('restoreHANAUserAccounts\n')
                        errorMessage = restoreHANAUserAccounts(programParentDir, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The SAP HANA user account data was not restored, since an attempt to restore the account data was already made.')
                    if 'restoreHANAPartitionData' not in progressDict:
                        f.write('restoreHANAPartitionData\n')
                        (errorMessage, hanaPartitionsRestored) = restoreHANAPartitionData(programParentDir, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The SAP HANA parition data was not restored, since an attempt to restore the data was already made.')
                    if 'sapRestorationArchiveExtracted' not in progressDict and hanaPartitionsRestored:
                        f.write('sapRestorationArchiveExtracted\n')
                        errorMessage = extractSAPRestorationArchive(programParentDir, osDist, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The SAP restoration archive was not extracted; either because it was already extracted or the SAP HANA partition data was not successfully restored.')
                    if not scaleUpSystem:
                        if 'prepareSAPHanaDirs' not in progressDict:
                            f.write('prepareSAPHanaDirs\n')
                            errorMessage = prepareSAPHanaDirs(programParentDir, cursesThread)
                            if len(errorMessage) > 0:
                                errorMessageList.append(errorMessage)
                            
                        else:
                            errorMessageList.append('The /hana/data/SID and /hana/log/SID directories were not created; since an attempt to create them was already made.')
                    
                if 'DL380p' in serverModel or 'DL360p' in serverModel:
                    if 'configureXinetd' not in progressDict:
                        f.write('configureXinetd\n')
                        errorMessage = configureXinetd(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('xinetd was not configured; since an attempt to configure it was already made.')
                    if 'updateLvmConf' not in progressDict:
                        f.write('updateLvmConf\n')
                        errorMessage = updateLvmConf(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('/etc/lvm.conf was not updated; since an attempt to enable it was already made.')
                    if 'updateNFSListeners' not in progressDict:
                        f.write('updateNFSListeners\n')
                        errorMessage = updateNFSListeners(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append("The number of NFS listeners in '/opt/cmcluster/nfstoolkit/hananfs.sh' was not updated; since an attempt to update the number was already made.")
                    if 'createNFSMountPoint' not in progressDict:
                        f.write('createNFSMountPoint\n')
                        errorMessage = createNFSMountPoint(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The hananfs mount point was not created; since an attempt to create it was already made.')
                    if 'buildDeadmanDriver' not in progressDict:
                        f.write('buildDeadmanDriver\n')
                        errorMessage = buildDeadmanDriver(cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('The deadman driver was not built and installed; since an attempt to build and install it was already made.')
                if serverModel == 'ProLiant DL320e Gen8 v2' or serverModel == 'ProLiant DL360 Gen9':
                    if 'configureServiceguardQS' not in progressDict:
                        f.write('configureServiceguardQS\n')
                        errorMessage = configureServiceguardQS(programParentDir, osDistLevel, cursesThread)
                        if len(errorMessage) > 0:
                            errorMessageList.append(errorMessage)
                        
                    else:
                        errorMessageList.append('Serviceguard QS was not configured; since an attempt to configure it was already made.')
            except IOError:
                err = None
                logger.error('Could not access ' + progressStatusFile + '.\n' + str(err))
                displayErrorMessage("Could not access '" + progressStatusFile + "'; fix the problem and try again.", cursesThread)

            f.close()
            if len(errorMessageList) > 0:
                cursesThread.insertMessage([
                    'warning',
                    "Restoration of the server's configuration has completed with the errors shown below; check the log file for additional information before continuing with the re-installation process:"])
                cursesThread.insertMessage([
                    'warning',
                    ''])
                for message in errorMessageList:
                    cursesThread.insertMessage([
                        'warning',
                        message])
                    cursesThread.insertMessage([
                        'warning',
                        ''])
                
            else:
                cursesThread.insertMessage([
                    'informative',
                    "Restoration of the server's configuration has completed; continue with the next step in the re-installation process."])
                cursesThread.insertMessage([
                    'informative',
                    ''])
            cursesThread.getUserInput([
                'informative',
                'Press enter to exit the program.'])
            cursesThread.insertMessage([
                'informative',
                ''])
            while not cursesThread.isUserInputReady():
                time.sleep(0.1)
            exit(0)
        except Exception:
            err = None
            cursesThread.join()
            logger.error('An unexpected error was encountered:\n' + traceback.format_exc())
            print RED + "An unexpected error was encountered; collect the application's log file and report the error back to the SAP HANA CoE DevOps team." + RESETCOLORS
            print RED + 'Error: ' + str(err) + RESETCOLORS
            exit(1)
        finally:
            cursesThread.join()
コード例 #5
0
def main():
    programVersion = '1.0-0'
    programName = os.path.basename(sys.argv[0]).split('.')[0]
    errorsEncountered = False
    if os.geteuid() != 0:
        print RED + 'You must be root to run this program; exiting program execution.' + RESETCOLORS
        exit(1)
    usage = 'usage: %prog [-h] [-p] [-v]'
    parser = optparse.OptionParser(usage=usage)
    parser.add_option('-p', action='store_true', default=False, help='This option is used after an upgrade to check services and SAP Note settings.')
    parser.add_option('-v', action='store_true', default=False, help="This option is used to display the application's version.")
    options, args = parser.parse_args()
    if options.v:
        print programName + ' ' + programVersion
        exit(0)
    osDist, osDistLevel = getOSDistribution()
    logDir = '/var/log/CoESapHANA_' + osDist + '_UpgradeLogDir'
    if not os.path.isdir(logDir):
        try:
            os.mkdir(logDir)
        except OSError as err:
            print RED + "Unable to create the post upgrade log directory '" + logDir + "'; fix the problem and try again; exiting program execution.\n" + str(err) + RESETCOLORS
            exit(1)

    statusLogFile = logDir + '/status.log'
    debugLogFile = logDir + '/debug.log'
    statusHandler = logging.FileHandler(statusLogFile)
    debugHandler = logging.FileHandler(debugLogFile)
    formatter = logging.Formatter('%(asctime)s:%(levelname)s:%(message)s', datefmt='%m/%d/%Y %H:%M:%S')
    statusHandler.setFormatter(formatter)
    debugHandler.setFormatter(formatter)
    logger = logging.getLogger('coeOSUpgradeLogger')
    logger.setLevel(logging.INFO)
    logger.addHandler(statusHandler)
    debugLogger = logging.getLogger('coeOSUpgradeDebugLogger')
    debugLogger.setLevel(logging.INFO)
    debugLogger.addHandler(debugHandler)
    debugLogger.info("The program's version is: " + programVersion + '.')
    serverModel = getServerModel()
    try:
        programParentDir = ''
        cwd = os.getcwd()
        programParentDir = os.path.dirname(os.path.realpath(__file__))
        if cwd != programParentDir:
            os.chdir(programParentDir)
    except OSError as err:
        debugLogger.error("Unable to change into the programs parent directory '" + programParentDir + "'.\n" + str(err))
        print RED + "Unable to change into the programs parent directory '" + programParentDir + "'; fix the problem and try again; exiting program execution." + RESETCOLORS
        exit(1)

    upgradeResourceDict = {}
    try:
        with open('upgradeResourceFile') as f:
            for line in f:
                line = line.strip()
                if len(line) == 0 or re.match('^\\s*#', line) or re.match('^\\s+$', line):
                    continue
                else:
                    line = re.sub('[\'"]', '', line)
                    key, val = line.split('=')
                    key = key.strip()
                    upgradeResourceDict[key] = re.sub('\\s*,\\s*', ',', val).strip()

    except IOError as err:
        debugLogger.error("Unable to access the application's resource file 'upgradeResourceFile'.\n" + str(err))
        print RED + "Unable to access the application's resource file 'upgradeResourceFile'; fix the problem and try again; exiting program execution." + RESETCOLORS
        exit(1)

    if options.p:
        if serverModel == 'Superdome' or 'DL580' in serverModel:
            if serverModel == 'Superdome':
                errors = checkSAPHANAConfiguration(serverModel, osDist)
            elif osDist == 'SLES':
                errors = checkSAPHANAConfiguration(serverModel, osDist, upgradeResourceDict['slesKernelParameters'])
            else:
                errors = checkSAPHANAConfiguration(serverModel, osDist, upgradeResourceDict['rhelKernelParameters'])
            if errors:
                if not errorsEncountered:
                    errorsEncountered = True
        errors = checkServices()
        if errors:
            if not errorsEncountered:
                errorsEncountered = True
    else:
        progressStatusFile = logDir + '/.restorationProgress'
        try:
            if os.path.isfile(progressStatusFile):
                with open(progressStatusFile) as f:
                    progressDict = dict.fromkeys((x.strip() for x in f))
            else:
                progressDict = {}
            if os.path.isfile(progressStatusFile):
                f = open(progressStatusFile, 'a')
            else:
                f = open(progressStatusFile, 'w')
            if serverModel == 'ProLiant DL360 Gen9' or serverModel == 'ProLiant DL380p Gen8' or serverModel == 'ProLiant DL360p Gen8' or serverModel == 'ProLiant DL320e Gen8 v2':
                serviceguardRPMDir = programParentDir + '/serviceguardRPMS'
                if os.path.isdir(serviceguardRPMDir):
                    if 'updateServiceguardPackages' not in progressDict:
                        errors = updateServiceguardPackages(serviceguardRPMDir)
                        if errors:
                            if not errorsEncountered:
                                errorsEncountered = True
                        else:
                            f.write('updateServiceguardPackages\n')
                    else:
                        print YELLOW + 'The Serviceguard packages were not updated, since they were already updated.' + RESETCOLORS
            fstabFile = programParentDir + '/fstabFile/fstab'
            if os.path.isfile(fstabFile):
                if 'restoreFstab' not in progressDict:
                    errors = restoreFstab(fstabFile)
                    if errors:
                        if not errorsEncountered:
                            errorsEncountered = True
                    else:
                        f.write('restoreFstab\n')
                else:
                    print YELLOW + 'The fstab file was not restored, since it was already restored.' + RESETCOLORS
            if osDist == 'SLES':
                limitsFile = programParentDir + '/limitsFile/limits.conf'
                if os.path.isfile(limitsFile):
                    if 'configureNofile' not in progressDict:
                        errors = configureNofile(limitsFile, upgradeResourceDict['sapsysNofileValue'])
                        if errors:
                            if not errorsEncountered:
                                errorsEncountered = True
                        else:
                            f.write('configureNofile\n')
                    else:
                        print YELLOW + 'hard/soft nofile limits for @sapsys, were not configured, since they were already configured.' + RESETCOLORS
            if 'DL580' in serverModel:
                if 'updateBIOS' not in progressDict:
                    errors = updateBIOS(programParentDir)
                    if errors:
                        if not errorsEncountered:
                            errorsEncountered = True
                    else:
                        f.write('updateBIOS\n')
                else:
                    print YELLOW + 'The BIOS was not updated, since it was already updated.' + RESETCOLORS
                if os.path.isdir(programParentDir + '/mellanoxDriver'):
                    if 'configureMellanox' not in progressDict:
                        errors = configureMellanox(programParentDir)
                        if errors:
                            if not errorsEncountered:
                                errorsEncountered = True
                        else:
                            f.write('configureMellanox\n')
                    else:
                        print YELLOW + 'The Mellanox driver was not installed, since it was already installed.' + RESETCOLORS
                if os.path.isfile('/etc/sysctl.conf'):
                    if 'updateSysctl' not in progressDict:
                        if osDist == 'SLES':
                            errors = updateSysctl(upgradeResourceDict['slesKernelParameters'])
                        else:
                            errors = updateSysctl(upgradeResourceDict['rhelKernelParameters'])
                        if errors:
                            if not errorsEncountered:
                                errorsEncountered = True
                        else:
                            f.write('updateSysctl\n')
                    else:
                        print YELLOW + '/etc/sysctl.conf was not updated, since an attempt to update it was already made.' + RESETCOLORS
            if osDist == 'SLES':
                if 'configureSnapper' not in progressDict:
                    errors = configureSnapper()
                    if errors:
                        errorsEncountered = True
                    else:
                        f.write('configureSnapper\n')
                else:
                    print YELLOW + 'The snapper configuration was not updated, since it was already updated.' + RESETCOLORS
                if 'enableMultiversionSupport' not in progressDict:
                    errors = enableMultiversionSupport()
                    if errors:
                        if not errorsEncountered:
                            errorsEncountered = True
                    else:
                        f.write('enableMultiversionSupport\n')
                else:
                    print YELLOW + 'Kernel multiversion support was not enabled, since it was already enabled.' + RESETCOLORS
                if 'cleanupGrubCfg' not in progressDict:
                    errors = cleanupGrubCfg()
                    if errors:
                        if not errorsEncountered:
                            errorsEncountered = True
                    else:
                        f.write('cleanupGrubCfg\n')
                else:
                    print YELLOW + '/etc/default/grub was not configured, since it was already configured.' + RESETCOLORS
                if 'disableServices' not in progressDict:
                    disableServiceList = dict(((x.split(':')[0].strip(), re.sub('\\s+', '', x.split(':')[1])) for x in upgradeResourceDict['slesServices'].split(',')))['SLES ' + osDistLevel].split('|')
                    errors = disableServices(disableServiceList)
                    if errors:
                        if not errorsEncountered:
                            errorsEncountered = True
                    else:
                        f.write('disableServices\n')
                else:
                    print YELLOW + 'Systemd services were not disabled, since they were already disabled.' + RESETCOLORS
        except IOError as err:
            debugLogger.error('Could not access ' + progressStatusFile + '.\n' + str(err))
            print RED + "Could not access '" + progressStatusFile + "'; fix the problem and try again; exiting program execution." + RESETCOLORS
            exit(1)
        finally:
            f.close()

    if errorsEncountered:
        print RED + 'Errors were encountered while performing post upgrade tasks; check the debug log file for additional information before continuing.' + RESETCOLORS
    else:
        print GREEN + 'The post upgrade tasks have completed; continue with the next step in the upgrade process.' + RESETCOLORS