#date 2020.2.20

#author zhang

#描述 用户自己选择使用什么工具进行备份

#$1 账户; $2 密码 $3 地址

stty erase "^H"

[ -f /etc/init.d/functions ] && . /etc/init.d/functions

#备份文件夹路径

backup_path="/usr/local/src/backup_mysql"

[ -d $backup_path ] && echo "$backup_path is exist" || mkdir -p $backup_path

# mysqldump

fun_mysqldump(){

mysqldump_cmd="mysqldump"

if [ "$passwd" != "null" ];then

${mysqldump_cmd} -u$user -p$passwd -h$host -A -F -E -R --master-data=1 --flush-privileges --triggers --default-character-set=utf8 --hex-blob > $backup_path/$backup_file

else

${mysqldump_cmd} -u$user -h$host -A -F -E -R --master-data=1 --flush-privileges --triggers --default-character-set=utf8 --hex-blob > $backup_path/$backup_file

fi

[ $? -eq 0 ] && action " backup successful ,please cat \n $backup_path\/$backup_file" /bin/true || action "mysql backup is failed " /bin/false

exit 0

}

test_connect_mysql(){

if [ "$2" != "null" ];then

if `mysql -u"$1" -p"$2" -h"$3" -e "show databases;" &> /dev/null`;then

user=$1

passwd=$2

host=$3

else

echo "connection is lose,please check user,passd or host" && exit 3

fi

else

if `mysql -u "$1" -h"$3" -e "show databases;" &>/dev/null`;then

user=$1

host=$3

else

echo "connection is lose, check your user or host" && exit 3

fi

fi

}

#设置 $1 $2 $3

set_user_pass_host(){

[ "$1" != "" ] && user=$user || user="root";

[ "$2" != "" ] && passwd=$passwd || passwd="null";

[ "$3" != "" ] && host=$host || host="127.0.0.1";

}

input_user_pass_host(){

read -p "input the user:" user

read -p "input the passwd:" passwd

read -p "input host(default 127.0.0.1):" host

}

#xtrabackup

fun_xtrabackup(){

[ ! -e `whereis xtrabackup &> /dev/null` ] && yum install https://repo.percona.com/yum/percona-release-latest.noarch.rpm -y;yum install percona-xtrabackup -y &> /dev/null

if [ "$passwd" != "null" ];then

xtrabackup --user=$1 --password=$2 --host=$3 --backup --target-dir=$4 &> /dev/null

else

xtrabackup --user=$1 --host=$3 --backup --target-dir=$4 &> /dev/null

fi

[ $? -eq 0 ] && action "xtrabackup completed OK!" /bin/true || action "xtrabackup completed failed" /bin/false

exit

}

while true

do

cat << EOF

please input a number choose backup tools

1 mysqldump

2 xtrabackup

3 quit

EOF

read -p "you select:" select_id

case $select_id in

1)

input_user_pass_host

set_user_pass_host $user $passwd $host

if test_connect_mysql $user $passwd $host;then

read -p "please input mysql backup file name (default backup.all.sql):" backup_file

if [ "$backup_file" = "" ] ;then

backup_file="backup.all.sql"

fi

fun_mysqldump $user $passwd $host $backup_path/$backup_file

fi

;;

2)

input_user_pass_host

set_user_pass_host $user $passwd $host

if test_connect_mysql $user $passwd $host;then

read -p "please input target-dir (default $backup_path/):" target_dir

if [ "$target_dir" = "" ];then

fun_xtrabackup $user $passwd $host $backup_path

else

mkdir $target_dir -p

fun_xtrabackup $user $passwd $host $target_dir

fi

fi

;;

3)

echo "exit" && exit 6

;;

*)

echo "is error" && exit 7

;;

esac

done