#!/bin/bash
# "@(#)$Header: mm_backup.sh  V1.0 - By: msimoni
# =========================================================================
# Name   : Michael Simoni
# date   : Fri Jul 16 17:44:41 EDT 2010
# Purpose: backup men&mice data
################################################################################
# CVS Information
# $Source: /var/cvs/DNS/men_mice/mm/mm_backup.sh,v $
# $Author: msimoni $
# $Date: 2012/06/10 18:34:42 $
# $Id: mm_backup.sh,v 1.4 2012/06/10 18:34:42 msimoni Exp $
# $Revision: 1.4 $
################################################################################
# @see The GNU Public License (GPL): http://www.opensource.org/licenses/gpl-license.php
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
################################################################################
#  Notes:
################################################################################
# modify the environment variables to point to your backup directory
# and your data directory. Also modify the exclude files if necessary.
###############################################################################
# usage
###############################################################################
usage()
{
cat <<-EOF
        $PROGNAME: -b backupdir
EOF
}
###############################################################################
# make sure everything exist that is needed
###############################################################################
check_env()
{
        if [ ! -d $BACKUP_DIR ]
        then
                echo "WARNING: $BACKUP_DIR does not exist. Creating it."
                mkdir $BACKUP_DIR
        fi
        if [ ! -d $ARCHIVE_DIR ]
        then
                echo "WARNING: $ARCHIVE_DIR does not exist. Creating it."
                mkdir $ARCHIVE_DIR
        fi
}
###############################################################################
# Create log
###############################################################################
create_log()
{
cat >>${CHANGE_LOG} <<-EOF
TITLE        : backup of Men&Mice data
DATE         : `date`
PATH         : `pwd`
CHANGE_LOG   : $CHANGE_LOG_MARKER
EXCLUDE_FILE : $EXCLUDE_FILE
BACKUPFILE   : ${BACKUP_FILE}.gz
LOGNAME      : $LOGNAME
USER         : $USERNAME
------------------------------------------------------------------------------
processes:
`/bin/ps -ef | grep named | /bin/grep -v $PROGNAME | grep -v grep`
------------------------------------------------------------------------------
Files excluded:
`cat $EXCLUDE_FILE`
==============================================================================
EOF
}
###############################################################################
# Create exclude file
###############################################################################
create_exclude_file()
{
cat >$EXCLUDE_FILE <<-EOF
./OLD
./bak
./work
./proc
./dev
EOF
}
###############################################################################
# Create backup
###############################################################################
create_backup_TEST()
{
   $MM_BIN/mm_util.pl -l 2 -m $MASTER -c $CENTRAL -u administrator -p $PASSWORD -b  #only admin can execute a backup
   $MM_BIN/mm_util.pl -l 2 -m $MASTER -c $CENTRAL -u administrator -p $PASSWORD -r > $BACKUP_DIR/${PREFIX}_mm_records.txt
   $MM_BIN/mm_util.pl -l 2 -m $MASTER -c $CENTRAL -u administrator -p $PASSWORD -i > $BACKUP_DIR/${PREFIX}_mm_servers.txt
   $MM_BIN/mm_util.pl -l 2 -m $MASTER -c $CENTRAL -u administrator -p $PASSWORD -a > $BACKUP_DIR/${PREFIX}_mm_zones.txt
   # copy the database backup back to the backup servers.
   #scp -i id_rsa_nn user@server:pathtobackup $BACKUP_DIR/${PREFIX}_mmsuite.db.bak

   cd $BACKUP_DIR
   if [ "$PREFIX" = "" ]
   then
	echo "ERROR. PREFIX is empty."
   fi
   $TAR Xcf $EXCLUDE_FILE $BACKUP_FILE ./${PREFIX}_* 
   if [ $? -ne 0 ]
   then
          RC=1
          exit $RC
   fi
   $GZIP $BACKUP_FILE
   if [ $? -ne 0 ]
   then
          RC=2
          exit $RC
   fi
   find $ARCHIVE_DIR -name "${PREFIX}_mm_backup*.gz" -mtime +14 -exec rm {} \;
}
###############################################################################
# Set up global Variables
###############################################################################

RC=0
PROGNAME=$0
THEDATE=`date +%Y_%m_%d_%H%M%S`

TAR=/bin/tar
GZIP=/bin/gzip

MM_BIN=/home/share/mm
ARCHIVE_DIR=/home/share/mm/archive
BACKUP_DIR=/home/share/mm/backups
CHANGE_LOG=$BACKUP_DIR/change_log
CHANGE_LOG_MARKER=$CHANGE_LOG
EXCLUDE_FILE=/tmp/named_tar_exclude
BACKUP_FILE=$ARCHIVE_DIR/mm_backup_${THEDATE}_tar
PASSWORD=administrator

#if [ $# -eq 0 ]
#then
#    usage
#    exit
#fi

while getopts h?b:p: OPT
do
    case $OPT in
        b) BACKUP_FILE=$OPTARG ;;
        p) PASSWORD=$OPTARG ;;
        h) usage ; exit 1 ;;
        ?) usage ; exit 1 ;;
        *) usage ; exit 1 ;;
    esac
done
shift $(($OPTIND - 1))
#echo "Remaining arguments are:\n" "$*"

check_env
create_exclude_file
>$CHANGE_LOG

PREFIX=TEST
BACKUP_FILE=$ARCHIVE_DIR/${PREFIX}_mm_backup_${THEDATE}_tar
MASTER=dumbo.int.zebulak.com
CENTRAL=catty.int.zebulak.com
create_log
create_backup_${PREFIX}

exit $RC