samba_backup script for Ubuntu 14.04

samba_backup.sh

#!/bin/sh
#
# Copyright (C) Matthieu Patou <mat@matws.net> 2010-2011
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

TARGETDIRS="/var/lib/samba/private /var/lib/samba/sysvol /etc/samba"
WHERE=/backup/samba-dc1
if [ -n "$1" ] && [ "$1" = "-h" -o "$1" = "--usage" ]; then
    echo "samba_backup '[provisiondirs]' [destinationdir]"
    echo "Will backup your provision located in provisiondir to archive stored in destinationdir"
    echo "Default Ubuntu provisiondirs: $TARGETDIRS"
    echo "Default destinationdir: $WHERE"
    exit 0
fi

if [ $# -gt 2 ]; then
    echo "If you give provisiondirs parameter, Don't forget add Quotation!"
    exit 0
fi

[ -n "$1" -a -d "$1" ]&&TARGETDIRS=$1
[ -n "$2" -a -d "$2" ]&&WHERE=$2

#Number of days to keep the backup
DAYS=90
WHEN=`date +%d%m%y`

if [ ! -d $WHERE ]; then
    echo "Missing backup directory $WHERE"
    exit 1
fi

if [ ! -d $FROMWHERE ]; then
    echo "Missing or wrong provision directory $FROMWHERE"
    exit 1
fi

for tdir in $TARGETDIRS;do
    cd `dirname $tdir`
    d=`basename $tdir`
    relativedirname=`find . -type d -name "$d" -prune`
    if [ "$relativedirname" = "" ]; then
        echo 'break!'
        break
    fi

    n=`echo $tdir|sed 's|\/|_|g'|sed 's/^_//'`
    if [ "$d" = "private" ]; then
        find $relativedirname -name "*.ldb.bak" -exec rm {} \;
        for ldb in `find $relativedirname -name "*.ldb"`; do
            tdbbackup $ldb
            if [ $? -ne 0 ]; then
                echo "Error while backuping $ldb"
                exit 1
            fi
        done
        tar cjf ${WHERE}/samba4_${n}.${WHEN}.tar.bz2  $relativedirname --exclude=*.ldb --warning=no-file-ignored --transform 's/.ldb.bak$/.ldb/' >/dev/null 2>&1
        if [ $? -ne 0 ]; then
            echo "Error while archiving ${WHERE}/samba4_${n}.${WHEN}.tar.bz2"
            exit 1
        fi
        find $relativedirname -name "*.ldb.bak" -exec rm {} \;
    else
        tar cjf ${WHERE}/samba4_${n}.${WHEN}.tar.bz2  $relativedirname >/dev/null 2>&1
        if [ $? -ne 0 ]; then
            echo "Error while archiving ${WHERE}/samba4_${n}.${WHEN}.tar.bz2"
            exit 1
        fi
    fi
done

find $WHERE -name "samba4_*bz2" -mtime +$DAYS -exec rm  {} \; >/dev/null 2>&1