xtradbbackup 자동화 증량 백업 데이터베이스 구현

#backup.sh  
#!/bin/sh  
#on xtrabackup 2.2.8  
#                     ,             
#           ，                                
   
INNOBACKUPEX_PATH=innobackupex  #INNOBACKUPEX     
INNOBACKUPEXFULL=/usr/bin/$INNOBACKUPEX_PATH  #INNOBACKUPEX       
   
#mysql               
MYSQL_CMD="--host=localhost --user=root --password=xxxxxx --port=3306"    
   
MYSQL_UP=" --user=root --password='xxxxxx' --port=3306 "  #mysqladmin         
   
TMPLOG="/tmp/innobackupex.$$.log"  
   
MY_CNF=/etc/my.cnf #mysql       
   
MYSQL=/usr/local/mysql/bin/mysql  
   
MYSQL_ADMIN=/usr/local/mysql/bin/mysqladmin  
   
BACKUP_DIR=/opt/backup2 #         
   
FULLBACKUP_DIR=$BACKUP_DIR/full #          
   
INCRBACKUP_DIR=$BACKUP_DIR/incre #          
   
FULLBACKUP_INTERVAL=86400 #          ，  ：   
   
KEEP_FULLBACKUP=1 #             
   
logfiledate=backup.`date +%Y%m%d%H%M`.txt  
LOGFILE_DIR=$BACKUP_DIR/logs
   
#      
STARTED_TIME=`date +%s`  
   
   
   
#############################################################################  
   
#          
   
#############################################################################  
   
error()  
{  
    echo "$1" 1>&2  
    exit 1  
}  
   
    
   
#         
   
if [ ! -x $INNOBACKUPEXFULL ]; then  
  error "$INNOBACKUPEXFULL        /usr/bin."  
fi  
   
    
   
if [ ! -d $BACKUP_DIR ]; then  
  error "       :$BACKUP_DIR   ."  
fi  
   
    
   
mysql_status=`netstat -nl | awk 'NR>2{if ($4 ~ /.*:3306/) {print "Yes";exit 0}}'`  
   
if [ "$mysql_status" != "Yes" ];then  
    error "MySQL       ."  
fi  
   
   
   
    
   
if ! `echo 'exit' | $MYSQL -s $MYSQL_CMD` ; then  
 error "               !"  
fi  
   
    
   
#          
   
echo "----------------------------"  
echo  
echo "$0: MySQL    "  
echo "   : `date +%F' '%T' '%w`"  
echo  
   
    
   
#              
   
mkdir -p $FULLBACKUP_DIR  
mkdir -p $INCRBACKUP_DIR  
mkdir -p $LOGFILE_DIR
   
   
   
#           
LATEST_FULL_BACKUP=`find $FULLBACKUP_DIR -mindepth 1 -maxdepth 1 -type d -printf "%P
" | sort -nr | head -1`  
   
    
   
#                
   
LATEST_FULL_BACKUP_CREATED_TIME=`stat -c %Y $FULLBACKUP_DIR/$LATEST_FULL_BACKUP`  
   
   
#                      
if [ "$LATEST_FULL_BACKUP" -a `expr $LATEST_FULL_BACKUP_CREATED_TIME + $FULLBACKUP_INTERVAL + 5` -ge $STARTED_TIME ] ; then  
    #                                     
    echo -e "    $LATEST_FULL_BACKUP   ,   $LATEST_FULL_BACKUP             "  
    echo "                     "  
    NEW_INCRDIR=$INCRBACKUP_DIR/$LATEST_FULL_BACKUP  
    mkdir -p $NEW_INCRDIR  
   
    #              .                    
    LATEST_INCR_BACKUP=`find $NEW_INCRDIR -mindepth 1 -maxdepth 1 -type d -printf "%P
"  | sort -nr | head -1`  
        if [ ! $LATEST_INCR_BACKUP ] ; then  
            INCRBASEDIR=$FULLBACKUP_DIR/$LATEST_FULL_BACKUP  
            echo -e "      $INCRBASEDIR        "  
            echo "                     "  
        else  
            INCRBASEDIR=$INCRBACKUP_DIR/${LATEST_FULL_BACKUP}/${LATEST_INCR_BACKUP}  
            echo -e "      $INCRBASEDIR        "  
            echo "                     "  
        fi  
   
    echo "  $INCRBASEDIR               ."  
    $INNOBACKUPEXFULL --defaults-file=$MY_CNF --use-memory=4G $MYSQL_CMD --incremental $NEW_INCRDIR --incremental-basedir $INCRBASEDIR > $TMPLOG 2>&1  
   
    #             
   
    cat $TMPLOG>$LOGFILE_DIR/$logfiledate  
   
    if [ -z "`tail -1 $TMPLOG | grep 'innobackupex: completed OK!'`" ] ; then  
     echo "$INNOBACKUPEX      :"; echo  
     echo -e "---------- $INNOBACKUPEX_PATH   ----------"  
     cat $TMPLOG  
     rm -f $TMPLOG  
     exit 1  
    fi  
   
    THISBACKUP=`awk -- "/Backup created in directory/ { split( \\\$0, p, \"'\" ) ; print p[2] }" $TMPLOG`  
    rm -f $TMPLOG  
   
   
    echo -n "        :$THISBACKUP"  
    echo  
   
    #                
   
    LATEST_FULL_BACKUP=`find $FULLBACKUP_DIR -mindepth 1 -maxdepth 1 -type d -printf "%P
" | sort -nr | head -1`  
   
    NEW_INCRDIR=$INCRBACKUP_DIR/$LATEST_FULL_BACKUP  
   
    LATEST_INCR_BACKUP=`find $NEW_INCRDIR -mindepth 1 -maxdepth 1 -type d -printf "%P
"  | sort -nr | head -1`  
   
    RES_FULL_BACKUP=${FULLBACKUP_DIR}/${LATEST_FULL_BACKUP}  
   
    RES_INCRE_BACKUP=`dirname ${INCRBACKUP_DIR}/${LATEST_FULL_BACKUP}/${LATEST_INCR_BACKUP}`  
   
    echo  
    echo -e '\e[31m NOTE:---------------------------------------------------------------------------------.\e[m' #    
    echo -e "    $KEEP_FULLBACKUP      ${RES_FULL_BACKUP} ${RES_INCRE_BACKUP}         ."  
    echo -e '\e[31m NOTE:---------------------------------------------------------------------------------.\e[m' #    
    echo  
   
   
   
else  
    echo  "*********************************"  
    echo -e "           ...   ..."  
    echo  "*********************************"  
    $INNOBACKUPEXFULL --defaults-file=$MY_CNF  --use-memory=4G  $MYSQL_CMD $FULLBACKUP_DIR > $TMPLOG 2>&1   
    #             
   
    cat $TMPLOG>$LOGFILE_DIR/$logfiledate
   
   
    if [ -z "`tail -1 $TMPLOG | grep 'innobackupex: completed OK!'`" ] ; then  
     echo "$INNOBACKUPEX      :"; echo  
     echo -e "---------- $INNOBACKUPEX_PATH   ----------"  
     cat $TMPLOG  
     rm -f $TMPLOG  
     exit 1  
    fi  
     
    THISBACKUP=`awk -- "/Backup created in directory/ { split( \\\$0, p, \"'\" ) ; print p[2] }" $TMPLOG`  
    rm -f $TMPLOG  
    $INNOBACKUPEXFULL --apply-log $THISBACKUP > $TMPLOG 2>&1
    cat $TMPLOG>>$LOGFILE_DIR/$logfiledate
    echo -n "        :$THISBACKUP"  
    echo  
   
    #                
   
    LATEST_FULL_BACKUP=`find $FULLBACKUP_DIR -mindepth 1 -maxdepth 1 -type d -printf "%P
" | sort -nr | head -1`  
   
    RES_FULL_BACKUP=${FULLBACKUP_DIR}/${LATEST_FULL_BACKUP}  
   
    echo  
    echo -e '\e[31m NOTE:---------------------------------------------------------------------------------.\e[m' #    
    echo -e "     ,    $KEEP_FULLBACKUP      ${RES_FULL_BACKUP}."  
    echo -e '\e[31m NOTE:---------------------------------------------------------------------------------.\e[m' #    
    echo  
   
fi  
   
   
   
   
   
   
#         
   
echo -e "find expire backup file...........waiting........."  
echo -e "            ">>$LOGFILE_DIR/$logfiledate  
for efile in $(/usr/bin/find $FULLBACKUP_DIR/ -mtime +6)  
do  
    if [ -d ${efile} ]; then  
    rm -rf "${efile}"  
    echo -e "        :${efile}" >>$BACKUP_DIR/$logfiledate  
    elif [ -f ${efile} ]; then  
    rm -rf "${efile}"  
    echo -e "        :${efile}" >>$BACKUP_DIR/$logfiledate  
    fi;  
       
done  
   
if [ $? -eq "0" ];then  
   echo  
   echo -e "              "  
fi  
   
   
   
echo  
echo "   : `date +%F' '%T' '%w`"  
exit 0