File: inst_sge

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#!/bin/sh
#
# Grid Engine configuration script (Installation/Uninstallation/Upgrade/Downgrade)
# Scriptname: inst_sge
#
#___INFO__MARK_BEGIN__
##########################################################################
#
#  The Contents of this file are made available subject to the terms of
#  the Sun Industry Standards Source License Version 1.2
#
#  Sun Microsystems Inc., March, 2001
#
#
#  Sun Industry Standards Source License Version 1.2
#  =================================================
#  The contents of this file are subject to the Sun Industry Standards
#  Source License Version 1.2 (the "License"); You may not use this file
#  except in compliance with the License. You may obtain a copy of the
#  License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
#
#  Software provided under this License is provided on an "AS IS" basis,
#  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
#  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
#  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
#  See the License for the specific provisions governing your rights and
#  obligations concerning the Software.
#
#  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
#
#  Copyright: 2001 by Sun Microsystems, Inc.
#
#  All Rights Reserved.
#
##########################################################################
#___INFO__MARK_END__
#
# set -x

SCRIPT_VERSION="6"
SGE_VERSION="6.2u5"

#Reset PATH to a safe value
#
SAVED_PATH=$PATH
PATH=/bin:/usr/bin:/usr/sbin:/usr/bsd:/usr/ucb

# Easy way to prevent clearing of screen
#
CLEAR=clear

# The same as clear!
#
ECHO=echo

# Sourcing common function module
#
PWD=`pwd`
. ./util/arch_variables
. ./util/install_modules/inst_common.sh

#---------------------------------------
# commandline argument parsing
#---------------------------------------

UPDATE=false
DOWNGRADE=false
BACKUP=false
RESTORE=false
AUTO=false
AUTOGUI=false
RESCHEDULE=true
RESPORT=false
CSP=false
SGE_ENABLE_JMX=true
SGE_ENABLE_ST=true
AFS=false
NOREMOTE=false
START_RPC_SERVICE=false
SET_FILE_PERMS=false
MAKE_RC=false
ADD_RC=false
UPDATE_RC=false
UPDATE_WIN=false
DEL_EXECD_SPOOL=false
POST_UPDATE=false
WIN_UPDATE=false
COPY_CA="false"
RECREATE_SETTINGS="false"
USE_OLD_IJS="false"
START_CLUSTER="false"

QMASTER="undef"
EXECD="undef"
SHADOW="undef"
BERKELEY="undef"
SUBMIT="undef"
TAR="undef"
FILE="undef"
HOST="undef"
HOSTRANGE="undef"
LOCAL_EXECD_SPOOL="undef"

CONFIG_FILE="undef"
STDOUT2LOG="0"
PAR_EXECD_INST_COUNT="20"
JAVA_VERSION="undef"
WIN_SVC="undef"

SGE_NOMSG="undef"


CERT_COPY_HOST_LIST="undef"
SERVICE_TAGS="enable"
ONLY_ENABLE_JMX=false

#Save changed host names during resolving
RESOLVED_CHANGED_HOSTNAMES=""

#init global variables, need for port setting
execd_service="false"
qmaster_service="false"

BasicSettings
SetUpInfoText
PreInstallCheck


ARGC=$#

if [ $ARGC = 0 ]; then
   ErrUsage
   exit 2
fi


while [ $ARGC != 0 ]; do
   case $1 in
   -auto)
     AUTO="true"
     FILE="$2"
     if [ ! -f "$2" ]; then
        AUTO="false"
        $INFOTEXT "Error: File $FILE does not exist!" 
        ErrUsage        
     fi
     shift
     ARGC=`expr $ARGC - 1`
     #Stdout2Log
     CheckPath
     ;;
   -autogui)
      AUTO=true
      AUTOGUI=true; export AUTOGUI;
      ;;
   -m)
     QMASTER="install"
     . ./util/install_modules/inst_qmaster.sh
     . ./util/install_modules/inst_berkeley.sh
     . ./util/install_modules/inst_st.sh
     ;;
   -um)
     QMASTER="uninstall"
     . ./util/install_modules/inst_qmaster_uninst.sh
     . ./util/install_modules/inst_st.sh
     ;; 
   -x)
     EXECD="install"
     . ./util/install_modules/inst_execd.sh
     if [ "$2" = "-upd" ]; then
         UPDATE="true"
         shift
         ARGC=`expr $ARGC - 1`
     fi
     ;;
   -ux)
     EXECD="uninstall"
     if [ "$2" = "all" ]; then
        ALL_EXECDS="true"
        shift
        ARGC=`expr $ARGC - 1`
     fi
     . ./util/install_modules/inst_execd.sh
     . ./util/install_modules/inst_execd_uninst.sh
     . ./util/install_modules/inst_qmaster.sh
     ;;
   -sm)
     SHADOW="install"
     . ./util/install_modules/inst_qmaster.sh
     . ./util/install_modules/inst_execd.sh
     #echo Install Shadowhost
     ;;
   -usm)
     SHADOW="uninstall"
     #echo uninstall Shadowhost
     ;;
   -db)
     BERKELEY="install"
     SPOOLING_SERVER=`hostname`
     . ./util/install_modules/inst_qmaster.sh
     . ./util/install_modules/inst_berkeley.sh
     ;;
   -udb)
     BERKELEY="uninstall"
     SPOOLING_SERVER=`hostname`
     . ./util/install_modules/inst_qmaster.sh
     . ./util/install_modules/inst_berkeley.sh
     ;;
   -s)
     #add a submit host and copy ca certs if needed
     SUBMIT="install"
     . ./util/install_modules/inst_qmaster.sh
     . ./util/install_modules/inst_execd.sh
     ;;
   -host)
     if [ $AUTO = "false" -a $QMASTER = "install" ]; then
        EXEC_HOST_LIST=$2
     else
        HOST=$2
     fi
     shift
     ARGC=`expr $ARGC - 1`
     ;;
   -bup)
     BACKUP=true
     #do configuration database backup
     ;;
   -rst)
     RESTORE=true
     #restore a backuped database
     ;;
   -upd)
     #update from 6.0 or higher to 6.2
     UPDATE=true
     QMASTER="install"
     . ./util/install_modules/inst_qmaster.sh
     . ./util/install_modules/inst_berkeley.sh
     . ./util/install_modules/inst_st.sh
     . ./util/upgrade_modules/inst_upgrade.sh
     ;;
   -post-upd)
     POST_UPDATE=true
     . ./util/install_modules/inst_common.sh
     . ./util/upgrade_modules/inst_upgrade.sh
     ;;
   -upd-execd)
     ALL_RC=true
     DEL_EXECD_SPOOL=true
     . ./util/install_modules/inst_common.sh
     . ./util/upgrade_modules/inst_upgrade.sh
     ;;
   -upd-win)
     UPDATE_WIN=true
     . ./util/install_modules/inst_common.sh
     . ./util/upgrade_modules/inst_upgrade.sh
     ;;
   -upd-rc)
     UPDATE_RC=true
     ALL_RC=true
     RC_VERSION="61"
     REMOVE_RC=true
     ADD_RC=true
     ;;
   -start-all)
     START_CLUSTER=true
     . ./util/install_modules/inst_common.sh
     ;;
   -winupdate)
     #update to new Gridengine Helper Service
     WIN_UPDATE="true"
     . ./util/install_modules/inst_common.sh
     . ./util/install_modules/inst_execd.sh
     ;;
   -winsvc)
     #install the windows helper service only
     WIN_SVC="install"
     . ./util/install_modules/inst_common.sh
     . ./util/install_modules/inst_execd.sh
     ;;
   -uwinsvc)
     #uninstall the windows helper service only
     WIN_SVC="uninstall"
     . ./util/install_modules/inst_common.sh
     . ./util/install_modules/inst_execd.sh
     ;;
   -rccreate)
     MAKE_RC=true
     #Generate new rc scripts from settings file
     ;;
   -noremote)
     NOREMOTE=true
     #Disable remote installation
     ;;
   -rsh)
     SHELL_NAME=rsh
     ;;
   -nr)
     RESCHEDULE=false
     #echo set reschedule to false
     ;;
   -resport)
     RESPORT=true
     #echo set resport to true
     ;;
   -csp)
     CSP=true
     ;;
   -jmx)
     :
     ;;
   -copycerts)
     if [ "$2" = "" ]; then
        ErrUsage
     fi
     #copy ca certs to the given hosts
     COPY_CA="true"
     shift
     CERT_COPY_HOST_LIST=$*
     ARGC=`expr $ARGC - 1`
     ;;
   -oldijs)
      USE_OLD_IJS="true"
     ;;
   -afs)
     AFS=true
     ;;
   -v)
     $ECHO "Software version: $SGE_VERSION"
     exit 0
     ;;
   -nosmf)
     SGE_ENABLE_SMF="false"
     SMF_FLAGS="-nosmf"
     ;;
   -nost)
     SGE_ENABLE_ST="false"
     ;;
   -add-jmx)
     ONLY_ENABLE_JMX=true
     SGE_ENABLE_JMX=true
     . ./util/install_modules/inst_qmaster.sh
     . ./util/upgrade_modules/inst_upgrade.sh
     ;;
   -help)
     ErrUsage
     ;;
   *)
     option=$1
     ErrUsage
     ;;
   esac
   shift
   ARGC=`expr $ARGC - 1`
done

#Set overlapping variables only
if [ -z "$SHELL_NAME" ]; then
   SHELL_NAME="ssh"
fi
if [ -z "$COPY_COMMAND" ]; then
   COPY_COMMAND="scp"
fi
if [ -z "$SGE_ENABLE_SMF" ]; then
   SGE_ENABLE_SMF="true"
fi
if [ -z "$ADD_TO_RC" ]; then
   ADD_TO_RC="false"
fi
if [ -z "$REMOVE_RC" ]; then
   REMOVE_RC="false"
fi

if [ -z "$WIN_ADMIN_NAME" ]; then
   WIN_ADMIN_NAME="Administrator"
fi
for item in WINDOWS_SUPPORT WIN_DOMAIN_ACCESS CSP_RECREATE CSP_COPY_CERTS; do   
   if [ x`eval echo '$'$item` = x ]; then
      eval $item="false"
   fi
done

if [ -z "$EXEC_HOST_LIST" ]; then
   EXEC_HOST_LIST="undef"
fi
for item in CSP_COUNTRY_CODE CSP_STATE CSP_LOCATION CSP_ORGA CSP_ORGA_UNIT CSP_MAIL_ADDRESS; do
   if [ x`eval echo '$'$item` = x ]; then
      eval $item="undef"
   fi
done


if [ $AUTO = "false" -a $QMASTER = "undef" -a $EXECD = "install" -a $SHADOW = "install" ]; then
   ErrUsage
fi

#checking the autoinstall configuration file at this point of installation,
#because the commandline switches are completely parsed and we know the selected options.
#This will influence the configfile parsing and checking mechanism.
if [ $AUTO = "true" -a  $AUTOGUI != "true" ]; then
   SGE_JVM_LIB_PATH="undef"
   GetConfigFromFile
   #Now we check if we want to enable JMX or not based on SGE_JVM_LIB_PATH and/or SGE_JMX_PORT
   if [ "$SGE_JVM_LIB_PATH" = "undef" -o x"`echo $SGE_JVM_LIB_PATH | tr \"[A-Z]\" \"[a-z]\"`" = "xnone" ]; then
      $INFOTEXT -log "Disabling JMX since \$SGE_JVM_LIB_PATH=none or is missing in $FILE file."
      SGE_ENABLE_JMX="false"
   fi
   #Since we no longer have JMX flag (SGE_ENABLE_JMX is always true) we set to to false if
   #SGE_JMX_PORT is missing or is empty in the autoinstall template
   if [ -z "$SGE_JMX_PORT" ]; then
      $INFOTEXT -log "Disabling JMX since \$SGE_JMX_PORT=\"$SGE_JMX_PORT\" in $FILE file."
      SGE_ENABLE_JMX="false"
   fi
   CheckConfigFile $FILE
elif [ $AUTOGUI = true -a x"`echo $SGE_JVM_LIB_PATH | tr \"[A-Z]\" \"[a-z]\"`" = "xnone" ]; then
   SGE_ENABLE_JMX="false"
fi

CheckForSMF

$CLEAR

if [ $USE_OLD_IJS = "false" ]; then
   QLOGIN_DAEMON="builtin"
   QLOGIN_COMMAND="builtin"
   RLOGIN_DAEMON="builtin"
   RLOGIN_COMMAND="builtin"
   RSH_DAEMON="builtin"
   RSH_COMMAND="builtin"
fi

if [ "$START_CLUSTER" = "true" ]; then
   if [ -z "$SGE_ROOT" -o -z "$SGE_CELL" ]; then
      $INFOTEXT "\Can't start cluster: $SGE_ROOT and \$SGE_CELL must be set!"
      exit 2
   fi
   ALL_RC=true
   ManipulateOneDaemonType "" bdb ""
   ManipulateOneDaemonType "" qmaster ""
   ManipulateOneDaemonType "" execd ""
   exit
fi

if [ $ONLY_ENABLE_JMX = "true" ]; then
   GetAdminUser
   ProcessSGERoot
   GetCell
   #Exit if we already have JMX
   if [ -d "$SGE_ROOT/$SGE_CELL/common/jmx" ]; then
      $INFOTEXT "JMX is already enabled. Exiting."
      exit 2
   fi
   #Ensure we are on qmaster   
   qmaster_host=`cat $SGE_ROOT/$SGE_CELL/common/act_qmaster`
   if [ "$qmaster_host" != "$HOST" ]; then
      $INFOTEXT "JMX can be enabled only from qmaster host %s!" $qmaster_host
      exit 2
   fi
   QMDIR=`BootstrapGetValue "$SGE_ROOT/$SGE_CELL/common" qmaster_spool_dir`
   CheckRunningDaemon sge_qmaster
   is_running=$?
   if [ $is_running - ne 0 ]; then
      $INFOTEXT "Qmaster is not running! Cannot enable JMX." $qmaster_host
      exit 2
   fi
   
   #Source the settings file
   . "$SGE_ROOT/$SGE_CELL/common/settings.sh"   
   GetJMXPort
   COMMONDIR="$SGE_ROOT/$SGE_CELL/common"
   AddJMXFiles
   ReplaceOrAddLine "$SGE_ROOT/$SGE_CELL/common/bootstrap" 666 'jvm_threads.*' "jvm_threads             1"
   ExecuteAsAdmin $CHMOD 644 "$SGE_ROOT/$SGE_CELL/common/bootstrap"
   # Do InitCA only when no CSP mode
   if [ x`BootstrapGetValue "$SGE_ROOT/$SGE_CELL/common" "security_mode" | tr "[A-Z]" "[a-z]"` != xcsp ]; then
      InitCA
   elif [ "$SGE_JMX_SSL" = true ]; then
      if [ ! -f "$SGE_JMX_SSL_KEYSTORE" ]; then
         InitSysKs
      fi
      MakeUserKs $ADMINUSER
   fi
   CopyCA execd
   CopyCA submit
   #Update the default config
   dir=/tmp/conf.$$
   ExecuteAsAdmin mkdir -p $dir
   #Update global libjvm entry
   $SGE_ROOT/bin/$SGE_ARCH/qconf -sconf > $dir/global
   ReplaceOrAddLine "$dir/global" 666 'libjvm_path.*' "libjvm_path $SGE_JVM_LIB_PATH"
   ReplaceOrAddLine "$dir/global" 666 'additional_jvm_args.*' "additional_jvm_args $SGE_ADDITIONAL_JVM_ARGS"
   $SGE_ROOT/bin/$SGE_ARCH/qconf -Mconf $dir/global > /dev/null 2>&1
   rm -rf $dir
   
   $INFOTEXT -auto $AUTO -ask "y" "n" -def "y" -n "Do you want to start the JMX thread in qmaster now (y/n) [y] >> "
   if [ $? = 0 ]; then
      $SGE_ROOT/bin/$SGE_ARCH/qconf -at jvm
   fi
   
   # shadowds might have no jvmlib path
   shadow_count=`cat "$SGE_ROOT/$SGE_CELL/common/shadow_masters" 2>/dev/null | grep -v $qmaster_host | wc -l`
   if [ ${shadow_count:-0} -gt 0 ]; then
      $INFOTEXT -n "Found configured shadow daemons. Update manually their configuration using \n" \
                   "qconf -mconf <shadow_hostname> as add the correct libjvm_path entry, if it \n" \
                   "differs from the value used for qmaster (qconf -sconf global).\n"
      #TODO: Could offer to autodetect if passwordless access is available
   fi
   exit 0
fi

if [ "$WIN_UPDATE" = "true" ]; then
   WelcomeTheUserWinUpdate
   SetupWinSvc update #service install due to an update -> param: update
   # don't exit but continue with installation of execution daemon
fi

if [ "$WIN_SVC" = "install" ]; then
   WelcomeTheUserWinSvc install #install text param
   SetupWinSvc install #service install due to service install switch -> param install
   # don't exit but continue with installation of execution daemon
fi

if [ "$WIN_SVC" = "uninstall" ]; then
   WelcomeTheUserWinSvc uninstall #uninstall text param
   SetupWinSvc uninstall #service install due to service uninstall switch -> param uninstall
   # don't exit but continue with uninstallation of execution daemon
fi

#Upgrade from 6.0+ to 6.2
if [ "$UPDATE" = true ]; then
   AUTO=false
   EXECD=undef
   SHADOW=undef
   BERKELEY=undef
   DBWRITER=undef
   
   LicenseAgreement
   WelcomeTheUserUpgrade
   #Ask for backup_dir
   GetBackupDirectory
   #Old rc scripts must be long gone!
   
   #Source sge_root, sge_cell, qmaster, execd port from the backup
   SGE_ROOT=`pwd | sed 's/\/tmp_mnt//'`
   bck_sge_root=`cat "${UPGRADE_BACKUP_DIR}/sge_root" | awk -F= '{print $2}' | awk -F\; '{print $1}' 2>/dev/null`
   . "${UPGRADE_BACKUP_DIR}/sge_cell"
   bck_sge_cell=`cat "${UPGRADE_BACKUP_DIR}/sge_cell" | awk -F= '{print $2}' | awk -F\; '{print $1}' 2>/dev/null`
   . "${UPGRADE_BACKUP_DIR}/ports"
   CheckForLocalHostResolving
   ProcessSGERoot
   QMASTER=undef
   SGE_CELL=$bck_sge_cell              #to get sge_cell backup value as default
   GetCell
   QMASTER=install
   euid=`$SGE_UTILBIN/uidgid -euid`
   #Real upgrade from 6.0+ to 6.2 from here (same SGE_ROOT,SGE_CELL)
   if [ "$SGE_ROOT" = "$bck_sge_root" -a "$SGE_CELL" = "$bck_sge_cell" ]; then
      UPGRADE_MODE="upgrade"
      #Stop if not a qmaster host
      tmp_master=`cat "$UPGRADE_BACKUP_DIR/cell/act_qmaster" 2>/dev/null`
      if [ "$tmp_master" != "$HOST" ]; then
         $INFOTEXT "Upgrade must be started on a qmaster host!"
         exit 2
      fi
      if [ ! -d "$SGE_ROOT/$SGE_CELL" ]; then
         UPGRADE_MODE="copy"
      elif [ ! -f "$SGE_ROOT/$SGE_CELL/common/bootstrap" ]; then
         $INFOTEXT -n "Cannot continue with the \"real\" upgrade procedure because the \n" \
                      "installation is corrupted. There is no bootstrap file in the \n" \
                      "%s directory.\n" \
                      "Restart the upgrade and choose a different <sge_root> or \n" \
                      "<sge_cell> value.\n" "$SGE_ROOT/$SGE_CELL/common"
         exit 2
      fi
   elif [ -f "$SGE_ROOT/$SGE_CELL/common/bootstrap" ]; then
      $INFOTEXT -n "Bootstrap file already exists in selected <sge_root>/<sge_cell>.\n" \
                   "If you want to copy the configuration to this location, delete \n" \
                   "%s directory \n" \
                   "and restart the upgrade.\n" "$SGE_ROOT/$SGE_CELL"
      exit 2
   fi
   if [ "$UPGRADE_MODE" != "upgrade" ]; then
      #Just copy the configuration to a new SGE_CELL
      UPGRADE_MODE="copy"
      if [ -n "$SGE_QMASTER_PORT" ]; then
         SGE_QMASTER_PORT=`expr $SGE_QMASTER_PORT + 10`
      fi
      GetQmasterPort
      if [ -n "$SGE_EXECD_PORT" ]; then
         SGE_EXECD_PORT=`expr $SGE_EXECD_PORT + 10`
      fi
      GetExecdPort
   else
      #UPGRADE MODE
      #Backup could be created with /etc/services values, (not saved) we rather ask for new value 
      if [ -z "$SGE_QMASTER_PORT" ]; then
         GetQmasterPort
      fi
      if [ -z "$SGE_EXECD_PORT" ]; then
         GetExecdPort
      fi
   fi

   SetCellDependentVariables
   if [ "$UPGRADE_MODE" = upgrade ]; then
      #Get backuped admin user
      GetBackupedAdminUser
      OLD_ADMIN_USER=$ADMIN_USER
      GetAdminUser     #Get current admin user of the cluster
      CheckUpgradeUser #Stop if admin user mismatch (backup vs. current cluster)
      #Detect spool dir from the backup
      QMDIR=`BootstrapGetValue "$SGE_ROOT/$SGE_CELL/common" "qmaster_spool_dir"`
   else
      CheckWhoInstallsSGE
      #Ask for new QMaster spool dir
      GetQmasterSpoolDir $euid
   fi		
   #TODO: Check if no jobs. qmaster.pid?
   SGE_CLUSTER_NAME=`cat "$SGE_ROOT/$SGE_CELL/common/cluster_name" 2>/dev/null`
   if [ -z "$SGE_CLUSTER_NAME" -a -f "$UPGRADE_BACKUP_DIR/cell/cluster_name" ]; then
      SGE_CLUSTER_NAME=`cat "$UPGRADE_BACKUP_DIR/cell/cluster_name" 2>/dev/null`
   fi
   if [ "$UPGRADE_MODE" = copy ]; then
      if [ -f  "$SGE_ROOT/$SGE_CELL/common/cluster_name" ]; then
         ExecuteAsAdmin rm -f "$SGE_ROOT/$SGE_CELL/common/cluster_name"
      fi
      SGE_CLUSTER_NAME=""     #delete environment, we want a new default
   fi
   
   if [ -z "$SGE_CLUSTER_NAME" ]; then
      ProcessSGEClusterName qmaster
   fi
   if [ -f "$UPGRADE_BACKUP_DIR/win_hosts" ]; then
      WINDOWS_SUPPORT=true
      WindowsDomainUserAccess
      ExecuteAsAdmin cp "$UPGRADE_BACKUP_DIR/win_hosts" "$SGE_ROOT/$SGE_CELL/win_hosts_to_update"
   fi
   SetPermissions
   #Detect the product mode
   PRODUCT_MODE=`BootstrapGetValue "${UPGRADE_BACKUP_DIR}/cell" "security_mode"`
   if [ "$UPGRADE_MODE" = "copy" ]; then
      case $PRODUCT_MODE in
         csp)
            CSP=true
            ;;
         afs)
            AFS=true
            ;;
      esac
      SetProductMode
   else
      #We don't care about switches, setup is going to be reused
      CSP=false
      AFS=false
   fi
   #Find out if jmx should be used from the backup
   RestoreJMX "${UPGRADE_BACKUP_DIR}/cell/jmx"
   #Load and upgrade old cell
   RestoreCell "${UPGRADE_BACKUP_DIR}/cell"
   if [ "$SGE_SKIP_JMX_SETTING" != "true" ]; then
      GetJMXPort
   fi
   if [ -d "$QMDIR" ]; then
      ExecuteAsAdmin rm -rf "$QMDIR/*"   # remove old qmaster spool dir
   fi
   Makedir $QMDIR/job_scripts            # create a new one

   if [ "$UPGRADE_MODE" = upgrade ]; then
      SelectNewSpooling `BootstrapGetValue "${UPGRADE_BACKUP_DIR}/cell" "spooling_method"`
      if [ "$SGE_ENABLE_JMX" = "true" ]; then
         ReplaceLineWithMatch "$SGE_ROOT/$SGE_CELL/common/bootstrap" 644 'jvm_threads.*' "jvm_threads             1"
      else
         ReplaceLineWithMatch "$SGE_ROOT/$SGE_CELL/common/bootstrap" 644 'jvm_threads.*' "jvm_threads             0"
      fi 
   else
      SetSpoolingOptions `BootstrapGetValue "${UPGRADE_BACKUP_DIR}/cell" "spooling_method"`
      ReplaceLineWithMatch "$SGE_ROOT/$SGE_CELL/common/bootstrap" 644 'spooling_method.*' "spooling_method         $SPOOLING_METHOD"
      ReplaceLineWithMatch "$SGE_ROOT/$SGE_CELL/common/bootstrap" 644 'spooling_lib.*'    "spooling_lib            $SPOOLING_LIB"
      ReplaceLineWithMatch "$SGE_ROOT/$SGE_CELL/common/bootstrap" 644 'spooling_params.*' "spooling_params         $SPOOLING_ARGS"
   fi
   InitSpoolingDatabase
   ServiceTagsSupport
   SavedOrNewIJS
   AddDummyConfiguration     #Create a new configuration to be able to start qmaster
   AddActQmaster             #Always overwrite backup settings with current host
   if [ "$UPGRADE_MODE" = copy ]; then
      PrepareConfiguration
   else #Upgrade: Just reset variables to be safe
      CFG_EXE_SPOOL=""
      CFG_MAIL_ADDR=""
      CFG_GID_RANGE=""
   fi
   if [ "$SGE_SKIP_JMX_SETTING" != "true" ]; then
      #TODO LP: Need add/replace jvm_thread, etc. values to the bootstrap file
      # + need to adjust the global configuration with the new JMX params
      AddJMXFiles
   fi
   RestoreSequenceNumberFiles $QMDIR #Restore jobseqnum and arseqnum
   CreateSGEStartUpScripts $euid true master
   CreateSGEStartUpScripts $euid true execd
   CreateSettingsFile
   InitCA
   SetupRcScriptNames master #New qmaster RC script/SMF
   InstallRcScript
   #TODO: Need to ensure there is no qmaster on the same port running
   # When doing an update from <= 6.1 to >= 6.2 AND with classic spooling 
   # AND we are using the same spool directory: Delete queue_number attribute 
   # from queue_instance files 
   if [ "$SPOOLING_METHOD" = classic -a "$UPGRADE_MODE" = upgrade ]; then 
      DeleteQueueNumberAttribute $QMDIR  
   fi
   StartQmaster
   CopyCA execd
   CopyCA submit
   CheckRunningDaemon sge_qmaster
   $INFOTEXT -u "Last step - load configuration from the backup"
   $INFOTEXT -n "\nload command: $SGE_ROOT/util/upgrade_modules/load_sge_config.sh $UPGRADE_BACKUP_DIR -mode \"$UPGRADE_MODE\" -log C -newijs \"$newIJS\" -gid_range \"${CFG_GID_RANGE}\" -admin_mail \"${CFG_MAIL_ADDR}\" -execd_spool_dir \"${CFG_EXE_SPOOL}\" \n"   
   $INFOTEXT -wait -auto $AUTO -n "\nHit <RETURN> to continue >> "
   #Load configuration, show only critical errors
   "$SGE_ROOT/util/upgrade_modules/load_sge_config.sh" "$UPGRADE_BACKUP_DIR" -log "C" -mode "$UPGRADE_MODE" \
-newijs "$newIJS" -execd_spool_dir "$CFG_EXE_SPOOL" -gid_range "$CFG_GID_RANGE" -admin_mail "$CFG_MAIL_ADDR"
   #Need to restart the qmaster to use the new config
   $INFOTEXT -n "\nRestarting qmaster due to the changed configuration\n"
   $SGE_STARTUP_FILE -qmaster stop
   $SGE_STARTUP_FILE -qmaster start
   exit_val=$?
   if [ "$POST_UPDATE" != true ]; then
      $INFOTEXT -n "\nIf loading the configuration succeeded run these additional commands:\n" \
      "REQUIRED:\n" \
      "inst_sge -upd-execd\n" \
      "   This command initializes all execd spool directories.\n"
      if [ "$WINDOWS_SUPPORT" = true ]; then
          $INFOTEXT -n "inst_sge -upd-win\n" \
          "   This command connects to all Windows execution hosts and installs \n" \
          "   the new Windows helper service on each host.\n" \
          "   WARNING: If a helper service from a previous release is running \n" \
          "            on this host, the new helper service overwrites it. The \n" \
          "            host will run only in a 6.2 cluster.\n" \
	  "   TIP: This action requires to enter a windows administrator user for each \n" \
	  "        host interactively. If all your systems share the same administrator you \n" \
	  "        can set the environment variable SGE_WIN_ADMIN to that user name. \n" \
	  "        E.g.: (sh, bash) export SGE_WIN_ADMIN=Administrator \n" \
	  "              (csh,tcsh) setenv SGE_WIN_ADMIN Administrator \n"
      fi
      $INFOTEXT -n "WARNING:\n" \
      "   If you have configured shadowd hosts and enabled JMX during upgrading\n" \
      "   you have to verify and probably adjust the local host configuration parameters\n" \
      "   libjvm_path and additional_jvm_args to reflect your host specific jvm\n" \
      "   settings.\n"
      $INFOTEXT -n "OPTIONAL:\n" \
      "inst_sge -upd-rc\n" \
      "   This command creates new autostart scripts for the new cluster\n" \
      "   and removes any conflicting files.\n" \
      "   TIP: To disable SMF on Solaris systems, use the command\n" \
      "        inst_sge -upd-rc -nosmf\n" \
      "\n" \
      "TIP: Use inst_sge -post-upd to do all above actions\n" \
      "TIP: Add the -noremote flag to the above commands to perform the action\n" \
      "     only on the current host without making any remote connections\n"
      exit $exit_val
   fi
fi

if [ "$POST_UPDATE" = true ]; then
   if [ -z "$SGE_ROOT" -o -z "$SGE_CELL" ]; then
      $INFOTEXT "\$SGE_ROOT and \$SGE_CELL must be set!"
      exit 2
   fi
   
   ALL_RC=true     #Do all hosts
   ADD_RC=false
   REMOVE_RC=false
   DEL_EXECD_SPOOL=true
   #Delete (create) execd spool dirs
   ManipulateOneDaemonType "" execd ""
   DEL_EXECD_SPOOL=false
   REMOVE_RC=true
   #Remove all old RC scripts
   ManipulateOneDaemonType "" qmaster "61"
   ManipulateOneDaemonType "" execd "61"
   ManipulateOneDaemonType "" bdb "61"
   REMOVE_RC=false
   ADD_RC=true
   #Add new rc scripts for whole cluster
   ManipulateOneDaemonType "" bdb ""
   ManipulateOneDaemonType "" qmaster ""
   ManipulateOneDaemonType "" execd ""
   #Update win hosts if appropriate
   list=""
   if [ -f "$SGE_ROOT/$SGE_CELL/win_hosts_to_update" ]; then
      list=`cat $SGE_ROOT/$SGE_CELL/win_hosts_to_update 2>/dev/null`
   else
      exit 0
   fi
   if [ -z "$list" ]; then
      $INFOTEXT -log "Cannot upgrade Windows helper service because there are no Windows\n" \
                     "hosts in the backup."
      exit 2
   fi
   ALL_RC=false
   ManipulateOneDaemonType $list execd ""
   $INFOTEXT -log "After you verify that your Windows hosts work, delete \n%s file." "$SGE_ROOT/$SGE_CELL/win_hosts_to_update"
   exit
fi

#Delete all execd_spool dirs / create non-existing ones
if [ "$DEL_EXECD_SPOOL" = true ]; then
   ManipulateOneDaemonType "" execd ""
   if [ "$UPDATE_RC" != true -a "$UPDATE_WIN" != true ]; then
      exit
   fi
fi

#Remove old RC and install new
if [ "$UPDATE_RC" = true ]; then
   ManipulateOneDaemonType "" qmaster "61"
   ManipulateOneDaemonType "" execd "61"
   ManipulateOneDaemonType "" bdb "61"
   if [ "$UPDATE_WIN" != true ]; then
      exit
   fi
fi

#Remove old RC and install new
if [ "$UPDATE_WIN" = true ]; then
   if [ -z "$SGE_ROOT" -o -z "$SGE_CELL" ]; then
      $INFOTEXT "\$SGE_ROOT and \$SGE_CELL must be set!"
      exit 2
   fi
   
   list=""
   if [ -f "$SGE_ROOT/$SGE_CELL/win_hosts_to_update" ]; then
      list=`cat $SGE_ROOT/$SGE_CELL/win_hosts_to_update 2>/dev/null`
   fi
   if [ -z "$list" ]; then
      $INFOTEXT -log "Cannot upgrade Windows helper service because there are no Windows\n" \
                     "hosts in the backup."
      exit 2
   fi
   ALL_RC=false
   ManipulateOneDaemonType $list execd ""
   $INFOTEXT -log "After you verify that your Windows hosts work, delete \n%s file." "$SGE_ROOT/$SGE_CELL/win_hosts_to_update"
   exit
fi

if [ "$BERKELEY" = "install" ]; then

   is_bdb="true"

   if [ "$AUTO" = "true" ]; then
      Stdout2Log
      $INFOTEXT -log "Starting Berkeley DB installation!"
   fi
   
   if [ "$DB_SPOOLING_SERVER" = "" -o "$HOST" = "$DB_SPOOLING_SERVER" -o "$NOREMOTE" = "true" ]; then
      CheckWhoInstallsSGE
      ProcessSGERoot
      GetCell
      COMMONDIR=$SGE_CELL/common
      Makedir $SGE_CELL
      Makedir $COMMONDIR
      ProcessSGEClusterName "bdb"
      SetSpoolingOptions
      AddSGEStartUpScript $euid "bdb"
      PrepareRPCServerStart
      GiveBerkelyHints
   else
      $INFOTEXT -log "remote berkeley rpc server installation on host %s" $DB_SPOOLING_SERVER
      echo "cd $SGE_ROOT && ./inst_sge -db -auto $FILE -noremote $SMF_FLAGS" | $SHELL_NAME $DB_SPOOLING_SERVER /bin/sh &
      sleep 5
   fi

   MoveLog
   BERKELEY="undef"
   is_bdb=""
fi

if [ "$QMASTER" = "install" -a "$UPDATE" != "true" ]; then

 is_master="true"

 if [ "$AUTO" = "true" ]; then
    Stdout2Log
    $INFOTEXT -log "Starting qmaster installation!"
 fi

 LicenseAgreement
 WelcomeTheUser
 CheckForLocalHostResolving
 CheckWhoInstallsSGE
 ProcessSGERoot
 GetQmasterPort
 GetExecdPort
 GetCell
 ProcessSGEClusterName qmaster
 GetQmasterSpoolDir $euid
 SetCellDependentVariables
 WindowsSupport
 SetPermissions
 SelectHostNameResolving
 SetProductMode
 GetJMXPort
 MakeDirsMaster
 SetSpoolingOptions
 AddBootstrap
 InitSpoolingDatabase
 ServiceTagsSupport
 AddConfiguration
 AddLocalConfiguration
 AddActQmaster
 AddDefaultComplexes
 AddPEFiles
 AddDefaultUsersets
 AddCommonFiles
 AddJMXFiles
 CreateSGEStartUpScripts $euid true master
 CreateSGEStartUpScripts $euid true execd
 CreateSettingsFile
 InitCA
 AddSGEStartUpScript $euid master
 StartQmaster
 AddWindowsAdmin
 AddHosts
 MakeUserKs $ADMINUSER
 if [ "$AUTOGUI" != "true" ]; then
    CopyCA execd
    CopyCA submit
 fi
 
 SetScheddConfig
 GiveHints
 
 $INFOTEXT "sge_qmaster successfully installed!\n"
 $INFOTEXT -log "sge_qmaster successfully installed!\n"
 MoveLog
 $CLEAR
 
 is_master=""
fi


if [ "$EXECD" = "install" -a "$UPDATE" != "true" ]; then
 if [ "$AUTO" = "true" ]; then
    inst_counter=0
    install_is_done="false"
    max_retries=20
    Stdout2Log
    LogResolvedHostLists

    . $SGE_ROOT/$CELL_NAME/common/settings.sh
    GetAdminUser

    if [ -f "$SGE_ROOT/$SGE_CELL/common/bootstrap" ]; then
      ignore_fqdn=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap | grep "ignore_fqdn" | awk '{ print $2 }'`
      default_domain=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap | grep "default_domain" | awk '{ print $2 }'`
    fi

    EXEC_HOSTS_TO_INSTALL=$EXEC_HOST_LIST
    EXEC_HOSTS_TO_INSTALL_TMP=$EXEC_HOSTS_TO_INSTALL
    CURRENTLY_INSTALLING_HOSTS=""
    INSTALLED_EXEC_HOSTS=""
    FAILED_EXEC_HOSTS=""

   while [ "$install_is_done" = "false" ]; do  #looping as long as installation is not done
      for hti in $EXEC_HOSTS_TO_INSTALL; do # looping over all host in this list, again and againg, till
                                            # EXEC_HOSTS_TO_INSTALL list is empty
         if [ "$NOREMOTE" = "false" ]; then
            LOCALINST="false"               # in this case the installation has to be executed on any remote host.
            ExecdAlreadyInstalled $hti
            installed=$?
            currently_running="false"
            for runnings in $CURRENTLY_INSTALLING_HOSTS; do
               if [ "$runnings" = "$hti" ]; then             # check if the currently selected host is already installing
                  currently_running="true"
                  break
               fi
            done
            if [ "$installed" = 0 -a "$currently_running" = "false" ]; then #if not installed and not installing, do this
               if [ $hti = `$SGE_UTILBIN/gethostname -aname` ]; then
                  $INFOTEXT -log "local execd installation on host %s" $hti #the selected host is the local host, start
                  qconf -ah $hti                                            #installation without rsh/ssh
                  ./inst_sge -x $SMF_FLAGS -auto $FILE -noremote &
                  inst_counter=`expr $inst_counter + 1`
                  CURRENTLY_INSTALLING_HOSTS="$CURRENTLY_INSTALLING_HOSTS $hti"
                  EXEC_HOSTS_TO_INSTALL_TMP=`RemoveHostFromList "$EXEC_HOSTS_TO_INSTALL_TMP" "$hti"`
               else
                  CheckRSHConnection $hti
                  if [ "$?" = 0 ]; then
                     #host is remote, start installation via rsh/ssh
                     $INFOTEXT -log "remote execd installation on host %s" $hti
                     qconf -ah $hti
                     echo ". $SGE_ROOT/$SGE_CELL/common/settings.sh; cd $SGE_ROOT && ./inst_sge -x $SMF_FLAGS -auto $FILE -noremote" | $SHELL_NAME $hti /bin/sh &
                     inst_counter=`expr $inst_counter + 1`
                     CURRENTLY_INSTALLING_HOSTS="$CURRENTLY_INSTALLING_HOSTS $hti"
                     EXEC_HOSTS_TO_INSTALL_TMP=`RemoveHostFromList "$EXEC_HOSTS_TO_INSTALL_TMP" "$hti"`
                  else
                     #host is remote, start installation via rsh/ssh
                     $INFOTEXT -log "rsh/ssh connection to host %s is not working" $hti
                     EXEC_HOSTS_TO_INSTALL_TMP=`RemoveHostFromList "$EXEC_HOSTS_TO_INSTALL_TMP" "$hti"`
                     FAILED_EXEC_HOSTS="$FAILED_EXEC_HOSTS $hti"
                  fi
               fi
            else
               $INFOTEXT -log "Host %s already installed" $hti
               EXEC_HOSTS_TO_INSTALL_TMP=`RemoveHostFromList "$EXEC_HOSTS_TO_INSTALL_TMP" "$hti"`
               CURRENTLY_INSTALLING_HOSTS=`RemoveHostFromList "$CURRENTLY_INSTALLING_HOSTS" "$hti"`
               INSTALLED_EXEC_HOSTS="$INSTALLED_EXEC_HOSTS $hti"
            fi
         else
            LOCALINST="true"              # in this case: inst_sge -x $SMF_FLAGS -auto <conffile> -noremote was executed (mostly by isnt_sge script)
            EXEC_HOSTS_TO_INSTALL_TMP=""  # no other EXEC host has to be installed. The list can be cleared
            break                         # the the loop and jump to local installation
         fi
         retries=0
         while [ "$inst_counter" -ge "$PAR_EXECD_INST_COUNT" -o "$EXEC_HOSTS_TO_INSTALL_TMP" = "" ]; do
            retries=`expr $retries + 1`
            for e in $CURRENTLY_INSTALLING_HOSTS; do
               #looping over the currently running installs and checks if complete or not.
               #if not complete the host won't be removed from the current list
               #else the host will be removed from the 
               if [ "$ignore_fqdn" = "true" ]; then
                  ExecdAlreadyInstalled `echo $e | cut -d"." -f1`
                  installed=$?
               else
                  #if not ignored check, if a default domain is entered
                  if [ "$default_domain" != "none" ]; then
                     #default_domain is entered, check if given hostname is long or not
                     #given hostname is long the defualt domain won't be added
                     #given hostname is short, default_domain will be added
                     hasdot=`echo $e|grep '\.'`
                     if [ "$hasdot" = "" ]; then
                        e=$e.$default_domain
                     fi
                  fi      
                  ExecdAlreadyInstalled $e
                  installed=$?    
               fi
               if [ "$installed" = 1 ]; then
                  #if host is installed refresh the list.
                  inst_counter=`expr $inst_counter - 1`
                  retries=0
                  CURRENTLY_INSTALLING_HOSTS=`RemoveHostFromList "$CURRENTLY_INSTALLING_HOSTS" "$e"`
                  EXEC_HOSTS_TO_INSTALL_TMP=`RemoveHostFromList "$EXEC_HOSTS_TO_INSTALL_TMP" "$e"`
                  INSTALLED_EXEC_HOSTS="$INSTALLED_EXEC_HOSTS $e"
               fi
            done
            sleep 3  #give the install processes time to complete
            if [ "$retries" -ge "$max_retries" ]; then #if the while loop ran as often as configured in $max_retries
                                                      #we predict a failure and retries. The current hosts will marked as failed
                                                      #all lists will be updated and parallel isntall counter will be reset
               inst_counter=0
               FAILED_EXEC_HOSTS="$FAILED_EXEC_HOSTS $CURRENTLY_INSTALLING_HOSTS"
               for e in $CURRENTLY_INSTALLING_HOSTS; do
                  EXEC_HOSTS_TO_INSTALL_TMP=`RemoveHostFromList "$EXEC_HOSTS_TO_INSTALL_TMP" "$e"`
               done
               CURRENTLY_INSTALLING_HOSTS=""
            fi
            if [ "$inst_counter" = 0 -o "$EXEC_HOSTS_TO_INSTALL_TMP" = "" ]; then 
               break
            fi
         done
      done
      EXEC_HOSTS_TO_INSTALL=$EXEC_HOSTS_TO_INSTALL_TMP #we are looping over a EXECD host list, to prevent
                                                       #listindex problems if hosts must be removed a TMP list
                                                       #will be changed, not original. After looprun the original list will be updated
      if [ "$EXEC_HOSTS_TO_INSTALL" = "" ]; then
         install_is_done="true"                        #installation is done
         for e in $FAILED_EXEC_HOSTS; do
            $INFOTEXT -log "The host %s failed installing an execd" $e #log hostnames, which have been marked as failed to log file
            $INFOTEXT -log "Please check these hosts, it's also possible that the installation\n timed out and the installation went well, anyhow!"
         done
      fi
   done

   if [ "$LOCALINST" = "true" ]; then  #do the installation on the local host
      WelcomeTheUserExecHost
      CheckForLocalHostResolving
      ProcessSGERoot
      CheckQmasterInstallation
      CheckCellDirectory
      . $SGE_ROOT/$SGE_CELL/common/settings.sh
      SearchForExistingInstallations "execd"
      CheckCSP
      CheckHostNameResolving install
      GetLocalExecdSpoolDir
      AddLocalConfiguration_With_Qconf
      AddSubmitHostsExecd
      AddSGEStartUpScript $euid execd
      SetupWinSvc execinst     #service install during execd installation -> param: execinst
      CopyIBMLoadSensor
      StartExecd
      AddQueue
      GiveHints
      CheckRunningDaemon sge_execd
      
      if [ $? = 0 ]; then
         $INFOTEXT "Execd on host %s is running!\n" $h
         $INFOTEXT -log "Execd on host %s is running!\n" $h
         MoveLog
         exit 0
      else
          $INFOTEXT "Execd on host %s is not started!\n" $h
          $INFOTEXT -log "Execd on host %s is not started!\n" $h
          MoveLog
          exit 1
      fi

   fi
 
 else
      WelcomeTheUserExecHost
      CheckForLocalHostResolving
      ProcessSGERoot
      CheckQmasterInstallation
      CheckCellDirectory
      . $SGE_ROOT/$SGE_CELL/common/settings.sh
      SearchForExistingInstallations "execd"
      GetAdminUser
      CheckWinAdminUser
      CheckCSP
      CheckHostNameResolving install
      GetLocalExecdSpoolDir
      AddLocalConfiguration_With_Qconf
      AddSGEStartUpScript $euid execd
      SetupWinSvc execinst  #service install during execd installation -> param: execinst
      CopyIBMLoadSensor
      StartExecd
      AddQueue
      GiveHints
      
      # This code will be executed in case inst_sge -x $SMF_FLAGS -host <remote host> 
      if [ -f $EXEC_HOST_LIST ]; then
         for h in `cat $EXEC_HOST_LIST`; do
           if [ "$QMASTER" = "install" -o "$NOREMOTE" = "false" ]; then
               $INFOTEXT "Starting remote installation on host %s" $h
               $INFOTEXT "This part runs in automatic mode," \
                         "be sure to have a valid configuration file"
               if [ "$CONFIG_FILE" = "undef" ]; then
                  $INFOTEXT -n "Please enter the path to your autoinstall configuration file >> " 
                  CONFIG_FILE=`Enter`
                  export CONFIG_FILE
               else               
                  $INFOTEXT -n "Please enter the path to your autoinstall configuration file or\n hit <RETURN> to use [%s] >> " $CONFIG_FILE
                 CONFIG_FILE=`Enter $CONFIG_FILE`
               fi

               $INFOTEXT -n "Please enter which shell you want to use for remote login (rsh/ssh) or\n hit <RETURN> to use [%s] >> " $SHELL_NAME
               SHELL_NAME=`Enter $SHELL_NAME` 
               $INFOTEXT -wait -auto $AUTO -n "Hit <RETURN> to continue >> "
               echo ". $SGE_ROOT/$SGE_CELL/common/settings.sh; cd $SGE_ROOT && ./inst_sge -x $SMF_FLAGS -auto $CONFIG_FILE -noremote" | $SHELL_NAME $h /bin/sh &
           fi
         done
      else
         if [ "$EXEC_HOST_LIST" != "undef" ]; then 
            for h in $EXEC_HOST_LIST; do
              if [ "$QMASTER" = "install" -o "$NOREMOTE" = "false" ]; then
                  $INFOTEXT "Starting remote installation on host %s" $h
                  $INFOTEXT "This part runs in automatic mode," \
                            "be sure to have a valid configuration file"
                  if [ "$CONFIG_FILE" = "undef" ]; then
                     $INFOTEXT -n "Please enter the path to your autoinstall configuration file >> " 
                     CONFIG_FILE=`Enter`
                     export CONFIG_FILE
                  else               
                     $INFOTEXT -n "Please enter the path to your autoinstall configuration file or\n hit <RETURN> to use [%s] >> " $CONFIG_FILE
                     CONFIG_FILE=`Enter $CONFIG_FILE`
                  fi
                  $INFOTEXT -n "Please enter which shell you want to use for remote login (rsh/ssh) or\n hit <RETURN> to use [%s] >> " $SHELL_NAME
                  SHELL_NAME=`Enter $SHELL_NAME`
                  $INFOTEXT -wait -auto $AUTO -n "Hit <RETURN> to continue >> "
                  echo ". $SGE_ROOT/$SGE_CELL/common/settings.sh; cd $SGE_ROOT && ./inst_sge -x $SMF_FLAGS -auto $CONFIG -noremote" | $SHELL_NAME $h /bin/sh &
              fi
            done
         fi
      fi

 fi
 MoveLog
 exit 0 
fi

if [ "$EXECD" = "uninstall" ]; then

   uninstall_ret=0

   if [ "$AUTO" = "true" ]; then
      Stdout2Log
      $INFOTEXT -log "Starting execution host uninstallation!"
      LogResolvedHostLists
   fi

   GetAdminUser

   if [ "$SGE_REMOTE_FLAG" != "REMOTE_EXECD_UNINSTALL" ]; then 
      WelcomeUninstall 

      if [ "$SGE_ROOT" = "" -o "$SGE_CELL" = "" ]; then
         $INFOTEXT -wait -auto $AUTO "Your SGE_ROOT or SGE_CELL variable is not set!\n" \
                                     "Enter SGE_ROOT and SGE_CELL in the following\n" \
                                     "screens!\n\nHit, <RETURN> to continue!"
         $CLEAR
         ProcessSGERoot

         $INFOTEXT -n "Please enter your SGE_CELL directory or use the default [default] >> "

         SGE_CELL=`Enter default`
         export SGE_CELL 
      fi
      . $SGE_ROOT/$SGE_CELL/common/settings.sh
      CheckHostNameResolving uninstall
      if [ "$?" = "1" ]; then
         $INFOTEXT "This host is not an admin host. Uninstallation is not allowed\nfrom this host!"
         $INFOTEXT -log "This host is not an admin host. Uninstallation is not allowed\nfrom this host!"
         MoveLog
         exit 1
      fi
   else
      . $SGE_ROOT/$SGE_CELL/common/settings.sh
   fi
   
   FetchHostname
   uninstall_ret=$?
   SetupWinSvc uninstall
   
   MoveLog
   
   if [ $QMASTER != "uninstall" ]; then
      exit 0
   fi

   exit $uninstall_ret
fi

if [ $BERKELEY = "uninstall" ]; then
   is_bdb="true"
   GetAdminUser
   
   if [ "$AUTO" = "true" ]; then
      Stdout2Log
      $INFOTEXT -log "Starting berkeley rpc uninstallation!"
   fi
   if [ "$DB_SPOOLING_SERVER" = "" -o "$HOST" = "$DB_SPOOLING_SERVER" -o "$NOREMOTE" = "true" ]; then
      euid=`$SGE_UTILBIN/uidgid -euid`
      ProcessSGERoot
      GetCell
      ADMINUSER=`$SGE_UTILBIN/filestat -owner . 2> /dev/null`
      #SMF will stop the service on its own in RemoveRCScript
      if [ "$SGE_ENABLE_SMF" != "true" ]; then
         ExecuteRPCServerScript stop
      fi
      RemoveRcScript $HOST "bdb" $euid
      DeleteSpoolingDir
   else
      $INFOTEXT -log "remote berkeley rpc server uninstallation on host %s" $DB_SPOOLING_SERVER
      echo "cd $SGE_ROOT && ./inst_sge -udb -auto $FILE -noremote" | $SHELL_NAME $DB_SPOOLING_SERVER /bin/sh
   fi
   
   MoveLog
   BERKELEY="undef"
   is_bdb=""
fi

if [ $QMASTER = "uninstall" ]; then
   is_qmaster="true"
   GetAdminUser
   
   if [ "$AUTO" = "true" ]; then
      Stdout2Log
      $INFOTEXT -log "Starting qmaster uninstallation!"
   fi
   
   if [ "$SGE_ROOT" = "" -o "$SGE_CELL" = "" ]; then
      $INFOTEXT -wait -auto $AUTO "Your SGE_ROOT or SGE_CELL variable is not set!\n" \
                "Please, enter SGE_ROOT and SGE_CELL in the following\n" \
                "screens!\n\nHit, <ENTER> to continue!"
      $CLEAR
      ProcessSGERoot

      $INFOTEXT -n "Please enter your SGE_CELL directory or use the default [default] >> "

      SGE_CELL=`Enter default`
      export SGE_CELL
   fi

   . $SGE_ROOT/$SGE_CELL/common/settings.sh
   ServiceTagsSupport
   RemoveQmaster
   MoveLog
   is_qmaster=""
fi


if [ $SHADOW = "install" ]; then

   is_shadow="true"

   if [ $AUTO = "true" ]; then
      Stdout2Log
      ignore_fqdn=`BootstrapGetValue "$SGE_ROOT/$CELL_NAME/common" ignore_fqdn | tr "[A-Z]" "[a-z]"`
      CURRENT_HOST=`$SGE_UTILBIN/gethostname -aname`
      if [ "$ignore_fqdn" = "true" ]; then
         CURRENT_HOST=`echo $CURRENT_HOST | cut -f1 -d. | tr "[A-Z]" "[a-z]"`
      fi
      SHADOWD_HOSTS_TO_INSTALL=$SHADOW_HOST
      FAILED_SHADOW_HOSTS=""
      for SHADOW in $SHADOW_HOST; do
         SHADOWD_HOSTS_TO_INSTALL=`RemoveHostFromList "$SHADOWD_HOSTS_TO_INSTALL" "$SHADOW"`
         SHADOW_COMPARE="$SHADOW"
         if [ "$ignore_fqdn" = "true" ]; then
            SHADOW_COMPARE=`echo "$SHADOW_COMPARE" | cut -f1 -d. | tr "[A-Z]" "[a-z]"`
         fi
         if [ "$NOREMOTE" = false ]; then
            LOCALINST=false
            if [ $SHADOW_COMPARE = $CURRENT_HOST ]; then
               $INFOTEXT -log "Shadow installation on host %s" $SHADOW         #the selected host is the local host, start
               ./inst_sge -sm $SMF_FLAGS -auto $FILE -noremote                 #installation without rsh/ssh
            else
               CheckRSHConnection $SHADOW
               if [ "$?" = 0 ]; then
                  #host is remote, start installation via rsh/ssh
                  $INFOTEXT -log "remote shadow installation on host %s" $SHADOW
                  echo ". $SGE_ROOT/$SGE_CELL/common/settings.sh; cd $SGE_ROOT && ./inst_sge -sm $SMF_FLAGS -auto $FILE -noremote" | $SHELL_NAME $SHADOW /bin/sh
               else
                  #host is remote, start installation via rsh/ssh
                  $INFOTEXT -log "rsh/ssh connection to host %s is not working" $SHADOW
                  FAILED_SHADOW_HOSTS="$FAILED_SHADOW_HOSTS $SHADOW"
               fi
            fi
         elif [ $SHADOW_COMPARE = $CURRENT_HOST ]; then
            LOCALINST=true
            break
         fi
      done
      if [ "$SHADOWD_HOSTS_TO_INSTALL" = "" ]; then
         for e in $FAILED_SHADOW_HOSTS; do
               $INFOTEXT -log "The host %s failed installing an shadowd" $e #log hostnames, which have been marked as failed to log file
               $INFOTEXT -log "Please check these hosts, it's also possible that the installation\n timed out and the installation went well, anyhow!"
         done
      fi
   fi

   if [ $AUTO = "false"  -o "$LOCALINST" = "true" ]; then   
      $INFOTEXT -u "\nShadow Master Host Setup"   
      $INFOTEXT -wait -auto $AUTO -n "\nMake sure, that the host, you wish to configure as a " \
                      "shadow host,\n has read/write permissions to the qmaster spool " \
                      "and SGE_ROOT/<cell>/common \ndirectory! For using a shadow master it " \
                      "is recommended to set up a \nBerkeley DB Spooling Server\n\n Hit <RETURN> to continue >> "
      CheckWhoInstallsSGE
      CheckForLocalHostResolving
      ProcessSGERoot

      $INFOTEXT -n -auto $AUTO "Please enter your SGE_CELL directory or use the default [default] >> "
      #TODO XXX: Will never use env SGE_CELL
      SGE_CELL=`Enter "${CELL_NAME:-default}"`
      export SGE_CELL
      $INFOTEXT -log "Your \$SGE_CELL directory: %s" $SGE_CELL
      . $SGE_ROOT/$SGE_CELL/common/settings.sh

      SearchForExistingInstallations "shadowd"

      CheckHostNameResolving "install" "shadowd"
 
      if [ $HOST != "" ]; then
         $SGE_UTILBIN/gethostname -all | grep $HOST > /dev/null
         if [ "$?" = 0 ]; then 
            SHADOW_HOST=`$SGE_UTILBIN/gethostname -aname`
         else
            SHADOW_HOST=$HOST
         fi
      else
         SHADOW_HOST=`$SGE_UTILBIN/gethostname -aname`
      fi
      
      #Detect if JMX needs to be setup
      GetJMXPort "shadowd"
      
      #check if spooling is supported!
      spooling_method=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap 2>/dev/null | grep "spooling_method" | awk '{ print $2 }'`
      #if spooling_params contains no "/" then we have rpc server spooling
      temp=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap | grep spooling_params | awk '{ print $2 }' | grep "/"`
      if [ $? = 0 ]; then
         db_home=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap 2>/dev/null | grep "spooling_params" | awk '{ print $2 }' | cut -d";" -f1`
         fstype=`$SGE_UTILBIN/fstype $db_home`
         if [ $? != 0 ]; then
            $INFOTEXT "\n Shadow master can not access spool directory at %s! \n" $db_home 
            $INFOTEXT "Check if the spool directory is mounted and has read/write permissions.\n"
            MoveLog
            exit 1
         elif [ `echo $db_home | cut -d":" -f2` = "$db_home" ]; then
            if [ "$spooling_method" = "berkeleydb" ]; then
               if [ `echo $fstype | grep "nfs" | wc -l` -gt 0 ]; then
                  if [ "$fstype" != "nfs4" ]; then
                     $INFOTEXT "Spooling directory exported as %s is not supported!\n" $fstype
                     $INFOTEXT -log "Spooling directory exported as %s is not supported!\n" $fstype
                     $INFOTEXT "\nPlease install the database directory on a NFSv4 fileserver or use the RPC Client/Server mechanism"
                     $INFOTEXT -log "\nPlease install the database directory on a NFSv4 fileserver or use the RPC Client/Server mechanism"
                     MoveLog
                     exit 1;
                  else
                     $INFOTEXT "We detected local Berkeley DB Spooling without a RPC Server. Local spooling\n is not working under " \
                               "mixed architectures.\n\n "
                     $INFOTEXT -log "We detected local Berkeley DB Spooling without a RPC Server. Local spooling\n is not working under " \
                               "mixed architectures.\n\n "
                     $INFOTEXT -auto $AUTO -ask "y" "n" -def "y" -n "Do you want to continue (y/n) ('n' will abort) [y] >> "
                     if [ $? != 0 ]; then
                        $INFOTEXT "Installation aborted"
                        MoveLog
                        exit 1;
                     fi
                  fi
               fi
            fi
         fi
       fi

      #creating the local_conf now with new libjvm_path entry
      AddLocalConfiguration_With_Qconf "shadowd"

      $INFOTEXT "Creating shadow_masters file for host %s\n" $SHADOW_HOST
      ExecuteAsAdmin touch $SGE_ROOT/$SGE_CELL/common/shadow_masters
      ALREADY_SHADOWS=`cat $SGE_ROOT/$SGE_CELL/common/shadow_masters | grep -v $SHADOW_HOST`
      ExecuteAsAdmin mv $SGE_ROOT/$SGE_CELL/common/shadow_masters $SGE_ROOT/$SGE_CELL/common/shadow_masters.1
      ExecuteAsAdmin touch $SGE_ROOT/$SGE_CELL/common/shadow_masters
      ExecuteAsAdmin chmod a+rw $SGE_ROOT/$SGE_CELL/common/shadow_masters
      ACT_QMASTER=`cat $SGE_ROOT/$SGE_CELL/common/act_qmaster`
      if [ "$ACT_QMASTER" != "$SHADOW_HOST" ]; then
         ExecuteAsAdmin echo "$ACT_QMASTER" >> $SGE_ROOT/$SGE_CELL/common/shadow_masters
      fi
      ExecuteAsAdmin echo $SHADOW_HOST >> $SGE_ROOT/$SGE_CELL/common/shadow_masters
      for s in `echo $ALREADY_SHADOWS`; do
         if [ "$ACT_QMASTER" != "$s" ]; then
            ExecuteAsAdmin echo $s >> $SGE_ROOT/$SGE_CELL/common/shadow_masters
         fi
      done
      ExecuteAsAdmin chmod go-w $SGE_ROOT/$SGE_CELL/common/shadow_masters
      ExecuteAsAdmin rm -f $SGE_ROOT/$SGE_CELL/common/shadow_masters.1
      
      if [ $SHADOW_HOST = `$SGE_UTILBIN/gethostname -aname` ]; then
         . $SGE_ROOT/$SGE_CELL/common/settings.sh
         SGE_ARCH=`$SGE_ROOT/util/arch`
         AddSGEStartUpScript $euid shadow
         $INFOTEXT "Starting sge_shadowd on host %s\n" $SHADOW_HOST
	      $INFOTEXT -log "Starting sge_shadowd on host %s\n" $SHADOW_HOST
	      if [ "$SGE_ENABLE_SMF" = "true" ]; then
	         $SVCADM enable -s "svc:/application/sge/shadowd:$SGE_CLUSTER_NAME"
	      else
	         $SGE_ROOT/bin/$SGE_ARCH/sge_shadowd &
	      fi
      else
        for shs in `cat $SGE_ROOT/$SGE_CELL/common/shadow_masters`; do
           echo ". $SGE_ROOT/$SGE_CELL/common/settings.sh; SGE_ARCH=`$SGE_ROOT/util/arch`; $SGE_ROOT/bin/$SGE_ARCH/sge_shadowd &" | $SHELL_NAME $shs /bin/sh &
        done
      fi
      
      #JMX keystores need to be copied to the shadowd
      #TODO: Should be done the opposite way qmaster -> shadowd, not shadowd -> qmaster
      #Setup CA location
      if [ "$SGE_QMASTER_PORT" = "" ]; then
         PORT_DIR="sge_qmaster"
      else
         PORT_DIR="port$SGE_QMASTER_PORT"
      fi
      if [ "$SGE_JMX_SSL" = true -a ! -f /var/sgeCA/$PORT_DIR/$SGE_CELL/private/keystore ]; then
         CopyCaFromQmaster
      fi

      $INFOTEXT "Shadowhost installation completed!"
      $INFOTEXT -log "Shadowhost installation completed!"
   fi
   MoveLog
   is_shadow=""
fi

if [ $SHADOW = "uninstall" ]; then
   is_shadow="true"
   GetAdminUser

   if [ "$HOST" = "undef" -o "$HOST" = "`$SGE_UTILBIN/gethostname -aname`"  ]; then
      s_host=`$SGE_UTILBIN/gethostname -aname`
      is_local="true"
   else
      s_host="$HOST"
      is_local="false"
   fi

   p_host=`cat $SGE_ROOT/$SGE_CELL/common/shadow_masters | grep "^${s_host}$"`
   if [ "$s_host" = "$p_host" ]; then
      is_shadow="true"
      m_spool=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap | grep qmaster_spool_dir | awk '{ print $2}'`
      s_pid=`cat $m_spool/shadowd_$s_host.pid`
   else
      is_shadow="false"
   fi

   if [ $AUTO = "true" ]; then
      if [ "$is_local" = "true" ]; then
         Stdout2Log
         if [ "$is_shadow" = "false" ]; then
            $INFOTEXT -log "This host is no shadow host!"
            MoveLog
            exit 1
         fi
         $INFOTEXT -log "Stopping shadowd!" 
         $SGE_ROOT/$SGE_CELL/common/sgemaster -shadowd stop
         ExecuteAsAdmin mv $SGE_ROOT/$SGE_CELL/common/shadow_masters $SGE_ROOT/$SGE_CELL/common/shadow_masters_tmp
         ExecuteAsAdmin rm -f $SGE_ROOT/$SGE_CELL/common/shadow_masters
         ExecuteAsAdmin touch $SGE_ROOT/$SGE_CELL/common/shadow_masters
         ExecuteAsAdmin chmod 666 $SGE_ROOT/$SGE_CELL/common/shadow_masters
         cat $SGE_ROOT/$SGE_CELL/common/shadow_masters_tmp | grep -v "^${s_host}$" >> $SGE_ROOT/$SGE_CELL/common/shadow_masters                  
         ExecuteAsAdmin chmod 644 $SGE_ROOT/$SGE_CELL/common/shadow_masters
         ExecuteAsAdmin rm -f $SGE_ROOT/$SGE_CELL/common/shadow_masters_tmp
         $SGE_ROOT/bin/$SGE_ARCH/qconf -sel >/dev/null 2>&1
         if [ "$?" = 0 ]; then
            # check to make sure the host we are removing is not needed
            if [ x`cat $SGE_ROOT/$SGE_CELL/common/act_qmaster | grep "^${s_host}$"` = x ]; then
               if [ x`$SGE_ROOT/bin/$SGE_ARCH/qconf -sel | grep "^${s_host}$"` = x ]; then
                  $INFOTEXT "Removing local configuration for $s_host"
                  $SGE_ROOT/bin/$SGE_ARCH/qconf -dconf $s_host
               fi
            fi
         fi
         MoveLog
         exit 0
      else
         echo "cd $SGE_ROOT; . $SGE_ROOT/$SGE_CELL/common/settings.sh; ./inst_sge -usm" | $SHELL_NAME $s_host /bin/sh &   
      fi
   else
      if [ "$is_local" = "true" ]; then
         if [ "$is_shadow" = "false" ]; then
            $INFOTEXT "This host is no shadow host!"
            exit 1
         fi
         $INFOTEXT "Stopping shadowd!" 
         $SGE_ROOT/$SGE_CELL/common/sgemaster -shadowd stop
         ExecuteAsAdmin mv $SGE_ROOT/$SGE_CELL/common/shadow_masters $SGE_ROOT/$SGE_CELL/common/shadow_masters_tmp
         ExecuteAsAdmin rm -f $SGE_ROOT/$SGE_CELL/common/shadow_masters
         ExecuteAsAdmin touch $SGE_ROOT/$SGE_CELL/common/shadow_masters
         ExecuteAsAdmin chmod 666 $SGE_ROOT/$SGE_CELL/common/shadow_masters
         cat $SGE_ROOT/$SGE_CELL/common/shadow_masters_tmp | grep -v "^${s_host}$" >> $SGE_ROOT/$SGE_CELL/common/shadow_masters                  
         ExecuteAsAdmin chmod 644 $SGE_ROOT/$SGE_CELL/common/shadow_masters
         ExecuteAsAdmin rm -f $SGE_ROOT/$SGE_CELL/common/shadow_masters_tmp
         $SGE_ROOT/bin/$SGE_ARCH/qconf -sel >/dev/null 2>&1
         if [ "$?" = 0 ]; then
            # check to make sure the host we are removing is not needed
            if [ x`cat $SGE_ROOT/$SGE_CELL/common/act_qmaster | grep "^${s_host}$"` = x ]; then
               if [ x`$SGE_ROOT/bin/$SGE_ARCH/qconf -sel | grep "^${s_host}$"` = x ]; then
                  $INFOTEXT "Removing local configuration for $s_host"
                  $SGE_ROOT/bin/$SGE_ARCH/qconf -dconf $s_host
               fi
            fi
         fi
         exit 0
      else
         $INFOTEXT -n "Please enter which shell you want to use for remote login (rsh/ssh) or\n hit <RETURN> to use [%s] >> " $SHELL_NAME
         SHELL_NAME=`Enter $SHELL_NAME`
         which $SHELL_NAME >/dev/null 2>&1
         if [ "$?" = 1 ]; then
            $INFOTEXT ">>%s<< is not a valid shell command, please use rsh or ssh!" $SHELL_NAME
            exit 1
         fi 
         echo "cd $SGE_ROOT; . $SGE_ROOT/$SGE_CELL/common/settings.sh; ./inst_sge -usm" | $SHELL_NAME $s_host /bin/sh &   
      fi     
   fi
   is_shadow=""
fi

if [ "$SUBMIT" = "install" ]; then
   if [ "$AUTO" = "true" ]; then
      Stdout2Log
      $INFOTEXT -log "Starting Submithost installation!"
   fi
   WelcomeTheUserSubmitHost
   ProcessSGERoot
   CheckQmasterInstallation
   CheckCellDirectory
   . $SGE_ROOT/$SGE_CELL/common/settings.sh
   CheckHostNameResolving install
   AddSubmitHosts
   product_mode=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap | grep "security_mode" | awk '{ print $2 }'`
   if [ "$product_mode" = "csp" ]; then
      CSP="true"
   fi
   #TODO XXX: This will attempt to copy certs to every submit host! We just need one.
   #Also, we probably prefer to do this from trusted (qmaster) node, that has remote 
   #access to this submit host
   CopyCA submit
   MoveLog
   $INFOTEXT "Submit host installation is complete!"
   exit 0
fi

if [ "$COPY_CA" = "true" ]; then
   #In standalone -copycert auto mode we don't have SGE_CELL
   if [ -z "$SGE_CELL" -a "$AUTO" = "true" ]; then
      SGE_CELL="$CELL_NAME"
   fi
   # GUI mode must set the SGE_CELL to CELL_NAME always!
   if [ "$AUTOGUI" = "true" ]; then
      SGE_CELL="$CELL_NAME"
   fi
   if [ "$SGE_ROOT" = "" -o "$SGE_CELL" = "" ]; then
      $INFOTEXT "SGE_ROOT or SGE_CELL is not set!"
      exit 1
   fi

   if [ -f $SGE_ROOT/$SGE_CELL/common/bootstrap ]; then
      GetAdminUser
   else
      $INFOTEXT "\nObviously there was no qmaster installation for this cell yet. The file\n\n" \
                "   %s\n\n" \
                "does not exist. Exit." \$SGE_ROOT/$SGE_CELL/common/bootstrap
      exit 1
   fi

   product_mode=`cat $SGE_ROOT/$SGE_CELL/common/bootstrap | grep "security_mode" | awk '{ print $2 }'`
   if [ "$product_mode" = "csp" ]; then
      CSP="true"
   fi
   CopyCA copyonly
   ret=$?
   if [ $ret -eq 0 ]; then
      $INFOTEXT "Copying certificates is complete!"
   else
      $INFOTEXT "No certificats to copy in your current cluster setup!" 
   fi
   exit $ret
fi

if [ $BACKUP = "true" ]; then
   BackupConfig
   MoveLog
fi

if [ $RESTORE = "true" ]; then
   RestoreConfig
fi

if [ $MAKE_RC = "true" ]; then

   DATE=`date '+%Y-%m-%d_%H:%M:%S'`

   $INFOTEXT -u "\nRC Startup Script Generation"   
   $INFOTEXT -wait -n "\nThis option allows you to create new startup scripts for\n" \
                         "qmaster/shadow daemon and the execution daemon.\n\n" \
                         "The new startup scripts will be saved in <sge_root>/<cell>/common.\n" \
                         "A copy of your old rc-scripts will be saved.\n\n" \
                         "Hit <RETURN> to continue >> "
   ProcessSGERoot

   $INFOTEXT -n "\nPlease enter your SGE_CELL directory or use the default [default] >> "

   SGE_CELL=`Enter default`
   SGE_CELL_VAL=$SGE_CELL

   export SGE_CELL
   export SGE_CELL_VAL

   if [ -f $SGE_ROOT/$SGE_CELL/common/bootstrap ]; then
      GetAdminUser
   else
      $INFOTEXT "\nObviously there was no qmaster installation for this cell yet. The file\n\n" \
                "   %s\n\n" \
                "does not exist. Exit." \$SGE_ROOT/$SGE_CELL/common/bootstrap
      exit 1
   fi
   
   if [ -f $SGE_ROOT/$SGE_CELL/common/settings.sh ]; then
      . $SGE_ROOT/$SGE_CELL/common/settings.sh
   else
      $INFOTEXT "\nThe file\n\n" \
                "   %s\n\n" \
                "which is required to set the environment variables does not exist. Exit." \
                \$SGE_ROOT/$SGE_CELL/common/settings.sh
      exit 1
   fi

   if [ -f $SGE_ROOT/$SGE_CELL/common/sgemaster ]; then
      ExecuteAsAdmin mv $SGE_ROOT/$SGE_CELL/common/sgemaster $SGE_ROOT/$SGE_CELL/common/sgemaster_$DATE
   fi

   if [ -f $SGE_ROOT/$SGE_CELL/common/sgeexecd ]; then
      ExecuteAsAdmin mv $SGE_ROOT/$SGE_CELL/common/sgeexecd $SGE_ROOT/$SGE_CELL/common/sgeexecd_$DATE
   fi   

   COMMONDIR=$SGE_CELL/common

   CreateSGEStartUpScripts 0 true master
   CreateSGEStartUpScripts 0 true execd
   
   $INFOTEXT "\nYour new startup scripts are created. You will find them in the\n" \
             "directory:\n\n" \
             "   %s\n\n" \
             "Your old startup scripts are saved in this directory as\n\n" \
             "   %s\n" \
             "   %s\n\n" \
             \$SGE_ROOT/$COMMONDIR sgemaster_$DATE sgeexecd_$DATE
   
   $INFOTEXT "Please now copy the new startup scripts to the system wide rc\n" \
             "file location on all qmaster, shadowd and execution hosts."
   
fi

exit 0