mysqldump 备份数据库脚本

#!/bin/bash

export PATH=/bin:/usr/bin:/usr/local/bin

TODAY=`date +"%d%b%Y"`

################################################################

DB_BACKUP_PATH='/backup/dbbackup'#先创建该目录

MYSQL_HOST='localhost'

MYSQL_PORT='3306'

MYSQL_USER='root'

MYSQL_PASSWORD='密码'

DATABASE_NAME=‘数据库名'

#################################################################

mkdir -p ${DB_BACKUP_PATH}/${TODAY}

echo "Backup started for database - ${DATABASE_NAME}"

mysqldump -h ${MYSQL_HOST} \

-P ${MYSQL_PORT} \

-u ${MYSQL_USER} \

-p${MYSQL_PASSWORD} \

${DATABASE_NAME} | gzip > ${DB_BACKUP_PATH}/${TODAY}/${DATABASE_NAME}-${TODAY}.sql.gz

if [ $? -eq 0 ]; then

echo "Database backup successfully completed"

else

echo "Error found during backup"

fi

DBDELDATE=`date +"%d%b%Y" --date="${BACKUP_RETAIN_DAYS} days ago"`

if [ ! -z ${DB_BACKUP_PATH} ]; then

cd ${DB_BACKUP_PATH}

if [ ! -z ${DBDELDATE} ] && [ -d ${DBDELDATE} ]; then

rm -rf ${DBDELDATE}

fi

fi

### End of script ####