mysql数据库备份与恢复脚本
#!/bin/bash
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#MySQL database backup and restore the script
# define config variable
host=localhost
user=root
passwd=xxxxx
#this variable for grant
mainHostIp="127.0.0.1"
base_path=/opt/disk-webData/mysqlBackup
# base_path=/media/sf_website/yii/disk-webData/mysqlBackup
### backup
backupdb() {
bak_path=$base_path/$(date +%Y%m%d)/data
log_path=$base_path/$(date +%Y%m%d)/log
[ ! -d $bak_path ] && mkdir -p $bak_path
[ ! -d $log_path ] && mkdir -p $log_path
dblist=($(mysql -u$user -p$passwd -e "show databases;"|awk -F "|" '{print $1}'|grep -Ev "Database|mysql|information_schema|performance_schema"))
i=1
for dbname in "${dblist[@]}"
do
echo -e "\n$i --> Backup database $dbname ..."
file=$bak_path/"$dbname.sql"
mysqldump -h$host -u$user -p$passwd -B $dbname > $file
if [ -f $file ];then
success="$i --> $dbname backup success!"
echo $success;
echo $success >> $log_path/backupLog.log
echo "GRANT ALL PRIVILEGES ON $dbname.* TO admin@localhost;" >> $log_path/grant.log
echo "GRANT ALL PRIVILEGES ON $dbname.* TO admin@$mainHostIp;" >> $log_path/grant.log
fi
let i++
done
}
#restore
expr 1 + $1 &>/dev/null
if [ $? -eq 0 ];then
bak_path="$base_path"/$1/data
log_path="$base_path"/$1/log
#restore
cd $bak_path
dblist=($(ls))
i=1
for dbname in "${dblist[@]}"
do
echo -e "\n$i --> Restore database $dbname ..."
mysql -h$host -u$user -p$passwd < $dbname
success="$i --> $dbname restore success!"
echo $success
echo $success >> $log_path/restoreLog.log
let i++
done
#grant
# if [ -f $log_path/grant.log ];then
echo "Please ensure that [admin] user exist @[localhost & 127.0.0.1 & mainHostIp]";
sleep 15s
ii=1
cat $log_path/grant.log | while read line
do
echo "$ii --> $line"
mysql -h$host -u$user -p$passwd -e "$line"
let ii++
done
# fi
elif [ "$1" == backup ];then
backupdb
else
cd $base_path
dblist=($(ls))
i=1;
echo "Backup history ..."
for dbname in "${dblist[@]}"
do
echo "$i --> $dbname"
let i++
done
fi
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