#!/usr/bin/ksh
#---------#---------#---------#---------#---------#---------#---------#---------
# 
# Date:         06 sep 2000
# Title:        backup ldap db to another machine using tar and ftp
# Creator:      idc
# Description:  
#   check disk space, remove the previous backup 
#   backup the Netscape Directory database
#   copy to another machine using ftp
#   eg. one slave server to another
# Modifications:
#
#---------#---------#---------#---------#---------#---------#---------#---------
# setup
#
# locations and names
#
server_dir=/data/netscape/ds-slave/slapd-ds01
bak_dir=${server_dir}/bak
cd $bak_dir
latest_backup=$(ls -t | head -1)
echo "backup directory: ${bak_dir}/$latest_backup "

tar_backed=/tmp/slave2_BACKUP_${latest_backup}.tar
compressed_backed=/tmp/slave2_BACKUP_${latest_backup}.tar.Z
cksum_file=${compressed_backed}.cksum

# main
# remove the old archive
#
if [[ -f $tar_backed ]]; then
        rm $tar_backed
        echo "removed the previous backup archive: $tar_backed"
fi
if [[ -f $compressed_backed ]]; then
        rm $compressed_backed
        echo "removed the compressed backup archive: $compressed_backed"
fi
if [[ -f $cksum_file ]]; then
        rm $cksum_file
        echo "removed the checksum file: $cksum_file"
fi



#
# create a new archive
#
echo "creating the archive: $compressed_backed "
cd /tmp
# check archive dir disk space
tar_disk_info=$(df -k .)
tar_space_avail=$(echo $tar_disk_info |  cut -d' ' -f11)
echo "disk space available for the archive : $tar_space_avail k "

cd $bak_dir
tar -cvf $tar_backed $latest_backup
compress $tar_backed

cd /tmp
tar_used_in_bytes=$(ls -l $compressed_backed | tr -s ' ' ' ' | cut -f5 -d' ')
tar_used=$(expr $tar_used_in_bytes / 1024 )
echo "disk space used by the archive: $tar_used k "



#
# copy the archive and checksum to the target machine
#
cd /tmp
cksum $compressed_backed > ${compressed_backed}.cksum

ftp -n <<END
open 10.2.8.10
user idc password
cd /tmp
put $compressed_backed
put ${compressed_backed}.cksum
quit
END



#
# create a new backup database
#
cd $bak_dir

# check backup dir disk space
bak_disk_info=$(df -k .)
bak_space_avail=$(echo $bak_disk_info |  cut -d' ' -f11)
echo "disk space available for the backup : $bak_space_avail k "

$server_dir/db2bak

new_backup=$(ls -t | head -1)
if [ $new_backup = $latest_backup ]; then
   echo "warning: the new backup was NOT created."
fi
echo "created backup directory: ${bak_dir}/${latest_backup}"
bak_used=$(du -k $new_backup | cut -f1)
echo "disk space used by the backup : $bak_used k "