#!/bin/sh
#set -x

VERSION="Version: 1.06"
######################
# Choose the HOME dir
######################
HOME=/export/home/provadm
BINDIR=$HOME/bin
LOGDIR=$HOME/log
SCRDIR=$HOME/script
CONFDIR=$HOME/config
TEMP=$HOME/temp
#######################
# Choose the BACKUP dir
#######################
BACKUPDIR=/data
newhost=`hostname |sed 's/LIV_//'| sed 's/_01//'`
TAPE_DEVICE=/dev/rmt/0
TAPE_DEVICE_APPEND=/dev/rmt/0n
datestr=`date +%d-%m-%Y`
timestr=`date +%H:%M:%S`
event_day=`/bin/date +%Y%m%d`
currdate=`$HOME/bin/lastdate +1 | awk '{printf "%s",substr($0,1,6)}'`
LOG=$LOGDIR/TAPE/$currdate/tape_bk_$event_day.log
TMP_LOG=$TEMP/tape_backup.tmp
# Format yyyymmdd
yest01=`$BINDIR/lastdate 1 | /bin/awk '{print $1}'`
# Format MMM
mm=`$BINDIR/lastdate 1 | /bin/awk '{print $2}' | cut -c1-3`
# Format DD
dd=`$BINDIR/lastdate 1 | /bin/awk '{print $1}' | cut -c7-8`
# Format YYYY
yyyy=`$BINDIR/lastdate 1 | /bin/awk '{print $1}' | cut -c1-4`
# Format yyyymm
yestmonth01=`$BINDIR/lastdate 1 | /bin/awk '{print $1}' | cut -c1-6`
# ==============
# Date and Month
# ==============
REP_MONTH=`date "+%Y%m"`
REP_DATE=`date "+%Y%m%d"`
FIRST_DAY=`$BINDIR/lastdate | /bin/awk '{print $1}' | cut -c7-8`

chktape()
{
status=`/bin/mt -f $TAPE_DEVICE_APPEND status | grep 'sense' | awk '{print substr($1,1,5)}'`
}

tarcmd()
{
# Check the $TMP_LOG file if exists, if yes remove the file
if [ -f $TMP_LOG ]; then
	rm $TMP_LOG
fi
#/data1/ACCESS
#All Servers
/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/ACCESS/$yestmonth01/*$yest01*.tar.Z >> $LOG 2>>$TMP_LOG

if [ $FIRST_DAY = "01" ]; then
	#/data1/BACKUP
	# All Servers 
	/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/BACKUP/$yestmonth01/*_$yestmonth01.* >> $LOG 2>>$TMP_LOG
fi

#/data/BACKUP
# LNPDB, RPT
#/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/BACKUP/$yestmonth01/*$yest01*.tar.gz >> $LOG 2>>$TMP_LOG

#/data1/SYS
# All Servers
/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/SYS/$yestmonth01/$yest01*.Z >> $LOG 2>>$TMP_LOG

#/data/TDR2
# PGW, RPT
/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/TDR2/$yestmonth01/$yest01*.*.TDR2.Z >> $LOG 2>>$TMP_LOG

# /data/TDR2_M
# PGW
/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/TDR2_M/$yestmonth01/$yest01*.TDR2_M.Z >> $LOG 2>>$TMP_LOG

# /data/IPMP
# LSMS, PGW, LNPDB, RPT
/bin/tar cvf $TAPE_DEVICE_APPEND $BACKUPDIR/IPMP/$yestmonth01/IPMP.log.$yest01.*.Z >> $LOG 2>>$TMP_LOG
}

# Main
status=""
chktape
if [ "$status" = "sense" ]
then
	# Got tape inside
	# Clear alarm
	$SCRDIR/gen_alarm.sh 21 0 "$newhost No Tape detected"
	# Start doing backup
	echo "" | /bin/tee -a $LOG
	echo "Tape Backup Start ($datestr $timestr) ..." | /bin/tee -a $LOG
	echo "" | /bin/tee -a $LOG
	tarcmd >> $LOG
	if [ $? -ne 0 ]
	then
		# Put the stderr message generated from tarcmd() into the $LOG file
		cat $TMP_LOG >> $LOG
		echo "" | /bin/tee -a $LOG
		echo "Tape Backup was failed" >> $LOG
		$SCRDIR/gen_alarm.sh 23 1 "$newhost Tape backup error"
	else
		# Put the stderr message generated from tarcmd() into the $LOG file
		cat $TMP_LOG >> $LOG
		echo "" | /bin/tee -a $LOG
		echo "Tape Backup Succeeded" >> $LOG
		$SCRDIR/gen_alarm.sh 23 0 "$newhost Tape backup error"
	fi

	EOT=`cat $TMP_LOG | grep 'tar: write error: unexpected EOF' | wc -l`
	if [ $EOT -ge 1 ]; then
		# Tape Full
		# Raise alarm
		$SCRDIR/gen_alarm.sh 22 1 "$newhost Tape full"
		echo "" | /bin/tee -a $LOG
		echo "Tape Full ($datestr $timestr) ..." | /bin/tee -a $LOG
		echo "" | /bin/tee -a $LOG
	else
		# Tape NOT Full
		# Clear alarm
		$SCRDIR/gen_alarm.sh 22 0 "$newhost Tape full"
	fi

	echo "" | /bin/tee -a $LOG
	datestr=`date +%d-%m-%Y`
	timestr=`date +%H:%M:%S`
	echo "Tape Backup End ($datestr $timestr) ..." | /bin/tee -a $LOG
else
	# No tape inside
	# Raise alarm
	$SCRDIR/gen_alarm.sh 21 1 "$newhost No Tape detected"
	echo "" | /bin/tee -a $LOG
	echo "Tape Backup Fail ($datestr $timestr) ..., unable to find tape" | /bin/tee -a $LOG
	echo "" | /bin/tee -a $LOG
fi

# Housekeep the tape_bk_yyyymmdd.log
hk_month=`$BINDIR/lastdate 121 | /bin/awk '{print $1}' | /bin/cut -c1-6`
\rm $LOGDIR/TAPE/$currdate/tape_bk_$hk_month*.log
find $TEMP -name 'tape_backup.tmp' -exec rm {} \;