Created
February 27, 2014 02:20
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MySQL Backup Script
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#!/bin/bash | |
LOCKFILE=/tmp/bkpmysql | |
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}` | |
then | |
echo "Já rodando!" | |
exit | |
fi | |
trap "rm -f ${LOCKFILE}; exit" INT TERM EXIT | |
echo $$ > ${LOCKFILE} | |
DB_USER='usuario' | |
DB_PASS='senha' | |
DB_PARAM='--all-databases --add-drop-table --add-locks --extended-insert --single-transaction -quick' | |
DESTINO=/dados/backup/data/mysql/ | |
TMPDESTINO=/dados/backup/tmp/mysql/ | |
NOME=auto | |
QTDE=5 | |
CONTADOR=0 | |
PLATFORM=$(uname) | |
PARSIZE=100m | |
if [ ! -d $DESTINO ]; then | |
mkdir $DESTINO | |
fi | |
ULTIMO_BACKUP=`find $DESTINO -maxdepth 1 -name "$NOME.*" | sort -nr | head -n 1` | |
find $DESTINO -maxdepth 1 -name "$NOME.*" | sort -nr | tail -n +`expr $QTDE + 1` | while read antigo; do | |
rm -rf "$antigo" | |
done | |
ID=`date +%Y-%m-%d-%H-%M-%S` | |
BACKUP_ATUAL="$DESTINO/$NOME.$ID" | |
echo "- Criando pasta $BACKUP_ATUAL" | |
mkdir $BACKUP_ATUAL | |
if [ "$ULTIMO_BACKUP" != "" ]; then | |
echo "- Copiando pasta $ULTIMO_BACKUP para $BACKUP_ATUAL" | |
if [ "$PLATFORM" == "FreeBSD" ]; then | |
pasta=$(pwd) | |
cd $ULTIMO_BACKUP | |
pax -rwl -pe . $BACKUP_ATUAL | |
cd $pasta | |
fi | |
fi | |
echo "- Efetuando Backup do MySQL para $TMPDESTINO" | |
mysqldump $DB_PARAM -u $DB_USER -p$DB_PASS > $TMPDESTINO/mysql.sql | |
echo "- Compactando $TMPDESTINO para $BACKUP_ATUAL com partes de tamanho $PARSIZE" | |
tar cz $TMPDESTINO/* | split -b $PARSIZE - $BACKUP_ATUAL/mysql.tar.gz | |
echo "- Limpando $TMPDESTINO" | |
rm -fr $TMPDESTINO/* | |
rm -f ${LOCKFILE} |
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