###### 二进制自动安装数据库脚本root密码MANAGER将脚本和安装包放在/root目录即可###############
######数据库目录/usr/local/mysql############
######数据目录/data/mysql############
######日志目录/log/mysql############
######端口号默认3306其余参数按需自行修改############
 
##################
#author：rrhelei@126.com#
##################
#!/bin/bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/opt/bin:/opt/sbin:~/bin
export PATH
 
# Check if user isroot
if [ $(id -u) !="0" ]; then
  echo "Error: You must be root to runthis script, please use root to install"
  exit 1
fi
 
clear
echo"========================================================================="
echo "A tool toauto-compile  install MariaDB-10.1.16 on Redhat/CentOS Linux "
echo"========================================================================="
cur_dir=$(pwd)
 
#set mysql rootpassword
echo"==========================="
 
mysqlrootpwd="MANAGER"
echo -e "Please input the root password of mysql:"
read -p "(Default password: MANAGER):" mysqlrootpwd
if[ "$mysqlrootpwd" = "" ]; then
mysqlrootpwd="MANAGER"
fi
echo"==========================="
echo"MySQL root password:$mysqlrootpwd"
echo"==========================="
 
#which MySQL Versiondo you want to install?
echo"==========================="
 
isinstallmysql56="n"
echo"Install mariadb-10.1.16,Please input y"
read -p "(Please input y , n):" isinstallmysql56
 
case"$isinstallmysql56" in
y|Y|Yes|YES|yes|yES|yEs|YeS|yeS)
echo"You will install MariaDB 10.1.16"
isinstallmysql56="y"
;;
*)
echo"INPUT error,You will exit install MariaDB 10.1.16"
isinstallmysql56="n"
  exit
esac
 
get_char()
{
SAVEDSTTY=`stty-g`
stty-echo
sttycbreak
#ddif=/dev/tty bs=1 count=1 2> /dev/null
stty-raw
sttyecho
stty$SAVEDSTTY
}
echo""
echo"Press any key to start...or Press Ctrl+c to cancel"
char=`get_char`
 
# Initialize the installation related content.
functionInitInstall()
{
cat/etc/issue
uname -a
MemTotal=`free -m | grep Mem | awk '{print $2}'` 
echo -e "\n Memory is: ${MemTotal} MB "
#Settimezone
rm -rf /etc/localtime
ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
 
 
  #Delete Old Mysql program
rpm -qa|grep mysql
rpm -e mysql
 
#DisableSeLinux
if[ -s /etc/selinux/config ]; then
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
fi
  setenforce 0
 
 
}
 
 
#Installation ofdepend on and optimization options.
functionInstallDependsAndOpt()
{
cd $cur_dir
 
cat>>/etc/security/limits.confEOF
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
EOF
 
echo"fs.file-max=65535" >> /etc/sysctl.conf
}
 
#Install MySQL
functionInstallMySQL56()
{
echo"============================Install MariaDB 10.1.16=================================="
cd $cur_dir
 
#Backup old my.cnf
#rm -f /etc/my.cnf
if [ -s /etc/my.cnf]; then
  mv /etc/my.cnf /etc/my.cnf.`date+%Y%m%d%H%M%S`.bak
fi
 
#mysql directoryconfiguration
groupadd mysql -g512
useradd -u 512 -gmysql -s /sbin/nologin -d /home/mysql mysql
tar xvf/root/mariadb-10.1.16-linux-x86_64.tar.gz
mv /root/mariadb-10.1.16-linux-x86_64 /usr/local/mysql
mkdir -p /data/mysql
mkdir -p /log/mysql
chown -R mysql:mysql/data/mysql
chown -R mysql:mysql/usr/local/mysql
chown -R mysql:mysql/log
 
SERVERID=`ifconfigeth0 | grep "inet addr" | awk '{ print $2}'| awk -F. '{ print$4"3306"}'`
cat>>/etc/my.cnfEOF
[client]
port    =3306
socket    =/tmp/mysql.sock
default-character-set=utf8
 
[mysql]
default-character-set=utf8
 
[mysqld]
port    =3306
socket    =/tmp/mysql.sock
basedir    =/usr/local/mysql
datadir    =/data/mysql
open_files_limit  = 3072
back_log = 103
max_connections =800
max_connect_errors =100000
table_open_cache =512
external-locking =FALSE
max_allowed_packet =32M
sort_buffer_size =2M
join_buffer_size =2M
thread_cache_size =51
query_cache_size =32M
tmp_table_size = 96M
max_heap_table_size= 96M
slow_query_log = 1
slow_query_log_file= /log/mysql/slow.log
log-error =/log/mysql/error.log
long_query_time = 1
server-id =$SERVERID
log-bin =/log/mysql/mysql-bin
sync_binlog = 1
binlog_cache_size =4M
max_binlog_cache_size= 8M
max_binlog_size =1024M
expire_logs_days =60
key_buffer_size =32M
read_buffer_size =1M
read_rnd_buffer_size= 16M
bulk_insert_buffer_size= 64M
character-set-server=utf8
default-storage-engine= InnoDB
binlog_format = row
innodb_buffer_pool_dump_at_shutdown= 1
innodb_buffer_pool_load_at_startup= 1
binlog_rows_query_log_events= 1
explicit_defaults_for_timestamp= 1
 
#log_slave_updates=1
#gtid_mode=on
#enforce_gtid_consistency=1
 
#innodb_write_io_threads= 8
#innodb_read_io_threads= 8
#innodb_thread_concurrency= 0
 
transaction_isolation= REPEATABLE-READ
innodb_additional_mem_pool_size= 16M
innodb_buffer_pool_size= 512M
#innodb_data_home_dir=
innodb_data_file_path= ibdata1:1024M:autoextend
innodb_flush_log_at_trx_commit= 1
innodb_log_buffer_size= 16M
innodb_log_file_size= 512M
innodb_log_files_in_group= 2
innodb_max_dirty_pages_pct= 50
innodb_file_per_table= 1
innodb_locks_unsafe_for_binlog= 0
wait_timeout = 14400
interactive_timeout= 14400
skip-name-resolve
[mysqldump]
quick
max_allowed_packet =32M
 
EOF
 
 
 
 
/usr/local/mysql/scripts/mysql_install_db--basedir=/usr/local/mysql --datadir=/data/mysql --defaults-file=/etc/my.cnf--user=mysql
 
cp/usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
chmod 700 /etc/init.d/mysqld
chkconfig --add mysql
chkconfig --leve l2345 mysqld on
 
cat >>/etc/ld.so.conf.d/mysql-x86_64.confEOF
/usr/local/mysql/lib
EOF
ldconfig
 
if [ -d"/proc/vz" ];then
ulimit -s unlimited
fi
 
/etc/init.d/mysqldstart
 
 
cat >>/etc/profile EOF
export PATH=$PATH:/usr/local/mysql/bin
export LD_LIBRARY_PATH=/usr/local/mysql/lib
EOF
 
 
/usr/local/mysql/bin/mysqladmin-u root password $mysqlrootpwd
 
cat >/tmp/mysql_sec_scriptEOF
use mysql;
delete frommysql.user where user!='root' or host!='localhost';
flush privileges;
EOF
 
/usr/local/mysql/bin/mysql-u root -p$mysqlrootpwd -h localhost  /tmp/mysql_sec_script
 
#rm -f/tmp/mysql_sec_script
 
 
/etc/init.d/mysqldrestart
 
source /etc/profile
 
 
echo"============================MariaDB 10.1.16 installcompleted========================="
}
 
 
functionCheckInstall()
{
echo"===================================== Check install==================================="
clear
ismysql=""
echo"Checking..."
 
if [ -s/usr/local/mysql/bin/mysql ]  [ -s /usr/local/mysql/bin/mysqld_safe ] [ -s /etc/my.cnf ]; then
 echo "MySQL: OK"
 ismysql="ok"
 else
 echo "Error: /usr/local/mysql notfound!!!MySQL install failed."
fi
 
if ["$ismysql" = "ok" ]; then
echo "MariaDB 10.1.16 completed! enjoy it."
echo"========================================================================="
netstat -ntl
else
echo"Sorry,Failed to install MySQL!"
echo "You cantail /root/mysql-install.log from your server."
fi
}
 
#The installationlog
InitInstall2>1 | tee /root/mysql-install.log
CheckAndDownloadFiles2>1 | tee -a /root/mysql-install.log
InstallDependsAndOpt2>1 | tee -a /root/mysql-install.log
InstallMySQL562>1 | tee -a /root/mysql-install.log
CheckInstall2>1 | tee -a /root/mysql-install.log