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#!/bin/bash

id=`id | sed s/\(.*// | sed s/uid=//`

if [ "$id" != "0" ]; then
echo "start script as root " 1>&2
exit 1
fi

#enough space?
echo ""
echo -e "Welcome to SeeTec 5 Installation.\n\n"
echo -e "Before going ahead, please assure, that"
echo " - you have at least 1.5 GB free disk space (excluding image data)!"
echo -e "\n\nPress any key to continue."
read -n1

cat /proc/meminfo | grep MemTotal > /tmp/memTmp
MEMORY=`awk '{ print $2 }' /tmp/memTmp`

echo ""
if [ $MEMORY -lt 250000 ]
then
echo -e "Memory check....failed.\n\n"
echo "WARNING!"
echo "--------"
echo "You have not enough memory. 256 MB is the minimum requirement."
echo ""

rm /tmp/memTmp
exit 0
fi

if [ $MEMORY -lt 500000 ]
then
echo "WARNING!"
echo "--------"
echo "You have less than 512MB memory. We STRONGLY recommend to have at least 512 MB."
echo "Continue by pressing a key or exit pressing CTRL-C."
read -n1
else
echo "Memory check....ok."
fi

rm /tmp/memTmp

if [ -w /tmp -a -x /tmp ]; then
echo "/tmp check....ok."
else
echo -e "/tmp check....failed.\n\n"
echo "The /tmp directory must be writable/executable for temporary installation files."

exit 0
fi

# new installation or update?
# ---------------------------
echo -e "\nIs it a new installation or an update?"
echo -e "1 : New Installation or Reinstallation after uninstall.\n2 : Update Installation"
echo "Please insert number:"
read -n1 selection

if [ $selection != 1 -a $selection != 2 ]
then
echo "Wrong selection. Insert the number!"
exit 0
else
if [ $selection = 1 ]
then
# new installation
INSTALLATION=1
else

# update
INSTALLATION=2
fi
fi

echo -e "\n"

# where to install/update
# -----------------------
if [ $INSTALLATION = 1 ]
then
echo "Install to [default /opt/SeeTec]:"
else
echo "Update where [default /opt/SeeTec]:"
fi

read INSTALLDIR
if [ "$INSTALLDIR" = "" ];
then
INSTALLDIR="/opt/SeeTec"
fi

# doing a check, if the path contains spaces.
# -------------------------------------------
echo $INSTALLDIR > /tmp/tmpFile

convertedName=`sed -e 's/ //g' /tmp/tmpFile`

if [ "$convertedName" != "$INSTALLDIR" ];
then
echo "Sorry, no SPACES allowed in pathname. exiting."
rm /tmp/tmpFile
exit 1
fi
rm /tmp/tmpFile

# CHECK FOR LIGHT VERSION!

#if [ -e $INSTALLDIR/conf/SeeTec.lck ]
#then
# echo "Can't install a light version to the same directory as previous full version. Exiting..."
# exit 1
#fi

echo -e "Installing to: $INSTALLDIR\n"

echo SEETEC_HOME=$INSTALLDIR > /etc/seetec.conf
export SEETEC_HOME

# what should be installed?
# -------------------------

if [ $INSTALLATION = 1 ]
then
if [ -d $INSTALLDIR/j2re ]
then
echo -e "\nThere is already a SeeTec 5 system installed. Use update.\n"
exit 1
fi

echo "What should be installed?"
else
# does the update path even exist?
if [ ! -d $INSTALLDIR ]
then
echo "$INSTALLDIR isn't existing. No update possible."
exit 1
fi

echo "What schould be updated?"
fi

echo -e "1 : Complete Server\n2 : Only Coreservices\n3 : Only Camera Management and Multimedia Database"
echo "Please insert number:"
read -n1 selection

if [ $selection != 1 -a $selection != 2 -a $selection != 3 ]
then
echo "Wrong selection. Insert the number of the component!"
exit 1
fi

echo -e "\n"


# Check against 5.2 license key. Do it here before we start to configure the system.
if [ $selection = 1 -o $selection = 2 ]
then
if [ -e $INSTALLDIR/conf/SeeTec.key ]
then
if [ "`cat $INSTALLDIR/conf/SeeTec.key | grep '<v5_2>true</v5_2>'`" = "" ]; then
echo -e "A license key for version 5.0.x or 5.1.x has been found.\nPlease substitute the license key file 'SeeTec.key' before installation/update."
exit 1
fi
fi
fi

SID="SEETEC"
DBDIR="$INSTALLDIR/sapdb"

GROUP_NAME="seetec"
USER_NAME=$GROUP_NAME
USER_PASS=$GROUP_NAME

#Add user and group...both named seetec.
groupadd $GROUP_NAME 2> /dev/null
useradd -d /home/$USER_NAME -g $GROUP_NAME -m -p $USER_PASS $USER_NAME 2> /dev/null

INSTALLROOT=`pwd`

# Copying files to destination!
# when doing an update, the following instaructions just do nothing.
# -----------------------------
if [ ! -d $INSTALLDIR ]
then
mkdir $INSTALLDIR > /dev/null
fi

if [ ! -d $INSTALLDIR/log ]
then
mkdir $INSTALLDIR/log > /dev/null
fi

if [ ! -d $INSTALLDIR/conf ]
then
mkdir $INSTALLDIR/conf > /dev/null
fi

if [ ! -d $INSTALLDIR/Manual ]
then
mkdir $INSTALLDIR/Manual > /dev/null
fi

# if it is an update, shutdown everything.
# ----------------------------------------
if [ $INSTALLATION = 2 ]
then
/etc/init.d/seetec stop
$INSTALLDIR/sapdb/indep_prog/bin/x_server stop
fi


# stuff that in every installation is needed. needed on new and update.
cp -R j2re admin tools Manual $INSTALLDIR 2> /dev/null

chgrp -R $GROUP_NAME $INSTALLDIR/j2re $INSTALLDIR/admin $INSTALLDIR/tools
chown -R $USER_NAME $INSTALLDIR/j2re $INSTALLDIR/admin $INSTALLDIR/tools

chmod 755 -R $INSTALLDIR/j2re

# if existing, don't overwrite!
# cp -i --reply=no conf/SeeTec* $INSTALLDIR/conf
yes n | cp -i conf/SeeTec* $INSTALLDIR/conf ; echo \n

cp LiesMich.txt $INSTALLDIR/Manual

#install start scripts!
echo "Installing startup script..."
cp $INSTALLROOT/tools/Setup/seetec /etc/init.d
chmod 755 /etc/init.d/seetec
cd /etc/init.d
insserv seetec
ln -sf /etc/init.d/seetec /usr/sbin/rcseetec
cd $INSTALLROOT


# ok, the camera management should be installed.
if [ $selection = 1 -o $selection = 3 ]
then
echo "Copying files for the camera management..."
cp -R re $INSTALLDIR

if [ ! -d $INSTALLDIR/re/md/mds/data ]
then
mkdir $INSTALLDIR/re/md/mds/data > /dev/null
fi

# if existing, don't overwrite!
yes n | cp -i conf/mds.conf.xml $INSTALLDIR/conf ; echo \n
yes n | cp -i conf/cm.conf.xml $INSTALLDIR/conf ; echo \n

# overwrite the log4j-files.
cp conf/mds.log4j.xml conf/cm.log4j.xml $INSTALLDIR/conf

chgrp -R $GROUP_NAME $INSTALLDIR/re
chown -R $USER_NAME $INSTALLDIR/re

# don't do a start of cm, if only those will be installed, cause the don't know yet
# where EntMgr is. Use AdminTool before.
fi


# ok, the core services should be installed....including sapdb.
if [ $selection = 1 -o $selection = 2 ]
then
echo "Copying files for the core services..."
cp -R alarm auth ent evt $INSTALLDIR

# if existing, don't overwrite!
yes n | cp -i conf/ent.conf.xml $INSTALLDIR/conf ; echo \n

# overwrite the log4j-files.
cp conf/ent.log4j.xml conf/evt.log4j.xml conf/auth.log4j.xml conf/alarm.log4j.xml $INSTALLDIR/conf

chgrp -R $GROUP_NAME $INSTALLDIR/alarm $INSTALLDIR/auth $INSTALLDIR/evt $INSTALLDIR/ent
chown -R $USER_NAME $INSTALLDIR/alarm $INSTALLDIR/auth $INSTALLDIR/evt $INSTALLDIR/ent

echo -e "\nWhat kernel version is installed? Greater or equal then 2.6.x?"
echo -ne "('uname -sr' says: `uname -sr`)\n\n"
echo -e "1 : Yes, greater or equal.\n2 : No.\n3 : I don't know."
echo "Please insert number:"
read -n1 selection

if [ $selection != 1 -a $selection != 2 -a $selection != 3 ]
then
echo "Wrong selection. Insert the number.!"
exit 1
fi

if [ $selection = 1 ]
then
export LD_ASSUME_KERNEL=2.2.5

# adjust the startup script.
sed -e 's/#export LD_ASSUME_KERNEL/export LD_ASSUME_KERNEL/g' -e 'w /etc/init.d/seetec_new' /etc/init.d/seetec > /dev/null
mv /etc/init.d/seetec_new /etc/init.d/seetec
chmod 755 /etc/init.d/seetec
fi

if [ $selection = 3 ]
then
echo "Check version number with uname -all and start again."
exit 0
fi


# only touch database, if it is NOT an update!
if [ $INSTALLATION = 1 ]
then
# Install DB
# ----------

echo -e "\nInstalling DB..."

chmod 755 -R sapdeploy

sapdeploy/SDBINST -b -profile Server -package "Base" -indep_prog $INSTALLDIR/sapdb/indep_prog -indep_data $INSTALLDIR/sapdb/indep_data -o $USER_NAME -g $GROUP_NAME
sapdeploy/SDBINST -b -profile Server -package "Server Utilities" -indep_prog $INSTALLDIR/sapdb/indep_prog -o $USER_NAME -g $GROUP_NAME
sapdeploy/SDBINST -b -profile Server -package "JDBC" -o $USER_NAME -g $GROUP_NAME
sapdeploy/SDBINST -b -profile Server -package "Database Kernel" -depend $INSTALLDIR/sapdb/depend -o $USER_NAME -g $GROUP_NAME

PATH=$INSTALLDIR/sapdb/indep_prog/bin:$PATH
export PATH

# Setup DB
# ----------

x_server start >/dev/null 2>&1

#stop and drop probably existing demo database
dbmcli -d $SID -u dbm,dbm db_offline >/dev/null 2>&1
dbmcli -d $SID -u dbm,dbm db_drop >/dev/null 2>&1

# create new database
echo "create database $SID..."
_o=`$DBDIR/indep_prog/bin/dbmcli -s -R $DBDIR/depend db_create $SID dbm,seetecdbm 2>&1`
_test=`echo $_o | grep OK`
if [ "$_test" = "" ]; then
echo "create $SID failed: $_o" 1>&2
# exit 1
fi

if [ ! -d $DBDIR/backup ]
then
mkdir -p $DBDIR/backup > /dev/null
fi


# setup database parameters
echo "set parameters for $SID..."
_o=`cat <<EOF | dbmcli -d $SID -u dbm,seetecdbm 2>&1
param_rmfile
param_startsession
param_init OLTP
param_put CAT_CACHE_SUPPLY 300
param_put CACHE_SIZE 3000
param_put MAXDATADEVSPACES 5
param_put MAXUSERTASKS 75
param_put _UNICODE YES
param_put _PACKET_SIZE 131072
param_checkall
param_commitsession
param_addvolume 1 DATA $DBDIR/DISKD0001 F 64000
param_addvolume 1 LOG $DBDIR/DISKL001 F 5120
quit
EOF`
_test=`echo $_o | grep ERR`
if [ "$_test" != "" ]; then
echo "set parameters failed: $_o" 1>&2
exit 1
fi

if [ -e $DBDIR/volume.inf ] && [ -e $DBDIR/SeeTec.zip ]
then
#the first volume I already have, so start with number 2!
n=2

#read every single line of the volume.inf and then create a volume!
cat $DBDIR/volume.inf | while read fn; do
dbmcli -d $SID -u dbm,seetecdbm param_addvolume $n DATA $DBDIR$fn
let n++
done

else
echo "No old data found!"
fi


echo "set backup parameters..."
_o=`cat <<EOF | dbmcli -d $SID -u dbm,seetecdbm 2>&1
medium_put data $DBDIR/backup/datasave FILE DATA 0 8 YES
medium_put auto $DBDIR/backup/autosave FILE AUTO
quit
EOF`
_test=`echo $_o | grep ERR`
if [ "$_test" != "" ]; then
echo "set backup parameters failed: $_o" 1>&2
exit 1
fi

# initialize database files
echo "initialize $SID..."
_o=`cat <<EOF | dbmcli -d $SID -u dbm,seetecdbm 2>&1
db_admin
util_connect
util_execute init config
util_execute SET LOG AUTO OVERWRITE ON
util_activate dba,dba
util_release
db_cold
quit
EOF`
_test=`echo $_o | grep ERR`
if [ "$_test" != "" ]; then
echo "initializing $SID failed: $_o" 1>&2
exit 1
fi

if [ -e $DBDIR/volume.inf ] && [ -e $DBDIR/SeeTec.zip ]
then
echo "Restoring old database."
unzip -o $DBDIR/SeeTec.zip -d $DBDIR

rm $DBDIR/SeeTec.zip
else
echo "Setting up initial database."
unzip -o $INSTALLROOT/sapdeploy/SeeTec.zip -d $DBDIR
touch $DBDIR/volume.inf
chgrp $GROUP_NAME $DBDIR/volume.inf
chown $USER_NAME $DBDIR/volume.inf

fi

# startup database
echo "start $SID..."
_o=`dbmcli -d $SID -u dbm,seetecdbm db_online 2>&1`
_test=`echo $_o | grep OK`
if [ "$_test" = "" ]; then
echo "start $SID failed: $_o" 1>&2
exit 1
fi


# load database system tables
echo "load system tables..."

_o=`dbmcli -d $SID -u dbm,seetecdbm load_systab -u dba,seetecdba -ud domain 2>&1`
_test=`echo $_o | grep OK`
if [ "$_test" = "" ]; then
echo "load system tables failed: $_o" 1>&2
exit 1
fi
else
echo -e "\n\nKeep the DB unchanged cause it is an update.\n"
fi

/etc/init.d/seetec start
fi

exit 0

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