【www.bbyears.com--mysql教程】
一般情况下不建议升级数据库版本，该脚本专提供给各位版本控们。为防止大版本之间兼容问题，脚本默认仅支持同一大版本之间的升级，如：MySQL-5.6.25升级到MySQL-5.6.26、MySQL-5.5.44升级到MySQL-5.5.45、MariaDB-10.0.20升级到MariaDB-10.0.21；不能跨分支版本且不能跨大版本，如从MySQL-5.5.44升级到PerconaL-5.5.44-37.3、MySQL-5.5.44升级到MySQL-5.6.25。
#!/bin/bash
Upgrade_DB()
{
cd $oneinstack_dir/src
[ ! -e "$db_install_dir/bin/mysql" ] && echo -e "\033[31mThe MySQL/MariaDB/Percona is not installed on your system!\033[0m " && exit 1
DB_version_tmp=`$db_install_dir/bin/mysql -V | awk "{print $5}" | awk -F, "{print $1}"`
DB_tmp=`echo $DB_version_tmp | awk -F"-" "{print $2}"`
if [ "$DB_tmp" == "MariaDB" ];then
public_IP=`../functions/get_public_ip.py`
if [ "`../functions/get_ip_area.py $public_IP`" == "\u4e2d\u56fd" ];then
FLAG_IP=CN
fi
[ "$FLAG_IP"x == "CN"x ] && DOWN_ADDR=http://mirrors.aliyun.com/mariadb || DOWN_ADDR=https://downloads.mariadb.org/f
[ -d "/lib64" ] && { SYS_BIT_a=x86_64;SYS_BIT_b=x86_64; } || { SYS_BIT_a=x86;SYS_BIT_b=i686; }
LIBC_VERSION=`getconf -a | grep GNU_LIBC_VERSION | awk "{print $NF}"`
LIBC_YN=`echo "$LIBC_VERSION < 2.14" | bc`
[ $LIBC_YN == "1" ] && GLIBC_FLAG=linux || GLIBC_FLAG=linux-glibc_214
DB=MariaDB
Old_DB_version=`echo $DB_version_tmp | awk -F"-" "{print $1}"`
elif [ -n "$DB_tmp" -a "$DB_tmp" != "MariaDB" ];then
DB=Percona
Old_DB_version=$DB_version_tmp
else
DB=MySQL
Old_DB_version=$DB_version_tmp
fi
#backup
while :
do
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "quit" >/dev/null 2>&1
if [ $? -eq 0 ];then
break
else
echo
read -p "Please input the root password of database: " NEW_dbrootpwd
$db_install_dir/bin/mysql -uroot -p${NEW_dbrootpwd} -e "quit" >/dev/null 2>&1
if [ $? -eq 0 ];then
dbrootpwd=$NEW_dbrootpwd
sed -i "s+^dbrootpwd.*+dbrootpwd="$dbrootpwd"+" ../options.conf
break
else
echo -e "\033[31m$DB root password incorrect,Please enter again! \033[0m"
fi
fi
done
echo
echo -e "\033[32mStarting $DB backup......\033[0m"
$db_install_dir/bin/mysqldump -uroot -p${dbrootpwd} --opt --all-databases > DB_all_backup_$(date +"%Y%m%d").sql
[ -f "DB_all_backup_$(date +"%Y%m%d").sql" ] && echo -e "$DB backup success, Backup file: \033[32m`pwd`/DB_all_backup_$(date +"%Y%m%d").sql\033[0m"
#upgrade
echo
echo -e "Current $DB Version: \033[32m$Old_DB_version\033[0m"
[ -e /usr/local/lib/libtcmalloc.so ] && { je_tc_malloc=2; EXE_LINKER="-DCMAKE_EXE_LINKER_FLAGS="-ltcmalloc""; }
[ -e /usr/local/lib/libjemalloc.so ] && { je_tc_malloc=1; EXE_LINKER="-DCMAKE_EXE_LINKER_FLAGS="-ljemalloc""; }
while :
do
echo
read -p "Please input upgrade $DB Version(example: 5.6.25): " DB_version
if [ `echo $DB_version | awk -F. "{print $1"."$2}"` == `echo $Old_DB_version | awk -F. "{print $1"."$2}"` ]; then
if [ "$DB" == "MariaDB" ];then
DB_name=mariadb-${DB_version}-${GLIBC_FLAG}-${SYS_BIT_b}
DB_URL=$DOWN_ADDR/mariadb-${DB_version}/bintar-${GLIBC_FLAG}-$SYS_BIT_a/$DB_name.tar.gz
elif [ "$DB" == "Percona" ];then
DB_name=percona-server-$DB_version
DB_URL=http://www.percona.com/redir/downloads/Percona-Server-`echo $DB_version | awk -F. "{print $1"."$2}"`/LATEST/source/tarball/$DB_name.tar.gz
elif [ "$DB" == "MySQL" ];then
DB_name=mysql-$DB_version
DB_URL=http://cdn.mysql.com/Downloads/MySQL-`echo $DB_version | awk -F. "{print $1"."$2}"`/$DB_name.tar.gz
fi
[ ! -e "$DB_name.tar.gz" ] && wget -c $DB_URL > /dev/null 2>&1
if [ -e "$DB_name.tar.gz" ];then
echo -e "Download \033[32m$DB_name.tar.gz\033[0m successfully! "
else
echo -e "\033[31mIt does not exist!\033[0m"
fi
break
else
echo -e "\033[31minput error!\033[0m Please only input "\033[32m${Old_DB_version%.*}.xx" \033[0m"
fi
done
if [ -e "$DB_name.tar.gz" ];then
echo -e "\033[32m$DB_name.tar.gz\033[0m [found]"
echo "Press Ctrl+c to cancel or Press any key to continue..."
char=`get_char`
if [ "$DB" == "MariaDB" ];then
service mysqld stop
mv ${db_install_dir}{,_old_`date +"%Y%m%d"`}
mv ${db_data_dir}{,_old_`date +"%Y%m%d"`}
mkdir -p $db_data_dir;chown mysql.mysql -R $db_data_dir
tar xzf $DB_name.tar.gz
[ ! -d "$db_install_dir" ] && mkdir -p $db_install_dir
mv mariadb-${DB_version}-linux-${SYS_BIT_b}/* $db_install_dir
if [ "$je_tc_malloc" == "1" ];then
sed -i "s@executing mysqld_safe@executing mysqld_safe\nexport LD_PRELOAD=/usr/local/lib/libjemalloc.so@" $db_install_dir/bin/mysqld_safe
elif [ "$je_tc_malloc" == "2" ];then
sed -i "s@executing mysqld_safe@executing mysqld_safe\nexport LD_PRELOAD=/usr/local/lib/libtcmalloc.so@" $db_install_dir/bin/mysqld_safe
fi
$db_install_dir/scripts/mysql_install_db --user=mysql --basedir=$db_install_dir --datadir=$db_data_dir
chown mysql.mysql -R $db_data_dir
service mysqld start
$db_install_dir/bin/mysql < DB_all_backup_$(date +"%Y%m%d").sql
service mysqld restart
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "drop database test;" >/dev/null 2>&1
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "reset master;" >/dev/null 2>&1
[ $? -eq 0 ] && echo -e "You have \033[32m$DB successfully\033[0m upgrade from \033[32m$Old_DB_version\033[0m to \033[32m$DB_version\033[0m"
elif [ "$DB" == "Percona" ];then
tar zxf $DB_name.tar.gz
cd $DB_name
make clean
if [ "`echo $DB_version | awk -F. "{print $1"."$2}"`" == "5.5" ];then
cmake . -DCMAKE_INSTALL_PREFIX=$db_install_dir \
-DMYSQL_DATADIR=$db_data_dir \
-DSYSCONFDIR=/etc \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DENABLE_DTRACE=0 \
-DENABLED_LOCAL_INFILE=1 \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
$EXE_LINKER
else
cmake . -DCMAKE_INSTALL_PREFIX=$db_install_dir \
-DMYSQL_DATADIR=$db_data_dir \
-DSYSCONFDIR=/etc \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DENABLED_LOCAL_INFILE=1 \
-DENABLE_DTRACE=0 \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
$EXE_LINKER
fi
make -j `grep processor /proc/cpuinfo | wc -l`
service mysqld stop
mv ${db_install_dir}{,_old_`date +"%Y%m%d"`}
mv ${db_data_dir}{,_old_`date +"%Y%m%d"`}
[ ! -d "$db_install_dir" ] && mkdir -p $db_install_dir
mkdir -p $db_data_dir;chown mysql.mysql -R $db_data_dir
make install
cd ..
$db_install_dir/scripts/mysql_install_db --user=mysql --basedir=$db_install_dir --datadir=$db_data_dir
chown mysql.mysql -R $db_data_dir
service mysqld start
$db_install_dir/bin/mysql < DB_all_backup_$(date +"%Y%m%d").sql
service mysqld restart
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "drop database test;" >/dev/null 2>&1
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "reset master;" >/dev/null 2>&1
[ $? -eq 0 ] && echo -e "You have \033[32m$DB successfully\033[0m upgrade from \033[32m$Old_DB_version\033[0m to \033[32m$DB_version\033[0m"
elif [ "$DB" == "MySQL" ];then
tar zxf $DB_name.tar.gz
cd $DB_name
make clean
if [ "`echo $DB_version | awk -F. "{print $1"."$2}"`" == "5.5" ];then
cmake . -DCMAKE_INSTALL_PREFIX=$db_install_dir \
-DMYSQL_DATADIR=$db_data_dir \
-DSYSCONFDIR=/etc \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DENABLED_LOCAL_INFILE=1 \
-DENABLE_DTRACE=0 \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DWITH_EMBEDDED_SERVER=1 \
$EXE_LINKER
else
cmake . -DCMAKE_INSTALL_PREFIX=$db_install_dir \
-DMYSQL_DATADIR=$db_data_dir \
-DSYSCONFDIR=/etc \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DENABLED_LOCAL_INFILE=1 \
-DENABLE_DTRACE=0 \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DWITH_EMBEDDED_SERVER=1 \
$EXE_LINKER
fi
make -j `grep processor /proc/cpuinfo | wc -l`
service mysqld stop
mv ${db_install_dir}{,_old_`date +"%Y%m%d"`}
mv ${db_data_dir}{,_old_`date +"%Y%m%d"`}
[ ! -d "$db_install_dir" ] && mkdir -p $db_install_dir
mkdir -p $db_data_dir;chown mysql.mysql -R $db_data_dir
make install
cd ..
$db_install_dir/scripts/mysql_install_db --user=mysql --basedir=$db_install_dir --datadir=$db_data_dir
chown mysql.mysql -R $db_data_dir
service mysqld start
$db_install_dir/bin/mysql < DB_all_backup_$(date +"%Y%m%d").sql
service mysqld restart
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "drop database test;" >/dev/null 2>&1
$db_install_dir/bin/mysql -uroot -p${dbrootpwd} -e "reset master;" >/dev/null 2>&1
[ $? -eq 0 ] && echo -e "You have \033[32m$DB successfully\033[0m upgrade from \033[32m$Old_DB_version\033[0m to \033[32m$DB_version\033[0m"
fi
fi
}