mysql 5.7安装脚本

 [root@HE2 ~]# cat mysql_auto_install.sh
 ###### 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############
 ######慢日志目录/data/slowlog############
 ######端口号默认3306其余参数按需自行修改############

 ##################
 #author ##################
 #!/bin/bash

 # Check if user is root
 if [ $(id -u) != "" ]; then
     echo "Error: You must be root to run this script, please use root to install"
     exit
 fi

 clear
 echo "========================================================================="
 echo "A tool to auto-compile & install MySQL 5.7.15 on Redhat/CentOS Linux "
 echo "========================================================================="
 cur_dir=$(pwd)

 #set mysql root password
     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 Version do you want to install?
 echo "==========================="

     isinstallmysql57="n"
     echo "Install MySQL 5.7.15,Please input y"
     read -p "(Please input y , n):" isinstallmysql57

     case "$isinstallmysql57" in
     y|Y|Yes|YES|yes|yES|yEs|YeS|yeS)
     echo "You will install MySQL 5.7.15"

     isinstallmysql57="y"
     ;;
     *)
     echo "INPUT error,You will exit install MySQL 5.7.15"

     isinstallmysql57="n"
     exit
     esac

     get_char()
     {
     SAVEDSTTY=`stty -g`
     stty -echo
     stty cbreak
     #dd if=/dev/tty bs= count= > /dev/null
     stty -raw
     stty echo
     stty $SAVEDSTTY
     }
     echo ""
     echo "Press any key to start...or Press Ctrl+c to cancel"
     char=`get_char`

 # Initialize  the installation related content.
 function InitInstall()
 {
     cat /etc/issue
     uname -a
     MemTotal=`free -m | grep Mem | awk '{print  $2}'`
     echo -e "\n Memory is: ${MemTotal} MB "
     #Set timezone
     #rm -rf /etc/localtime
     #ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

     #Delete Old Mysql program
     rpm -qa|grep mysql
     rpm -e mysql

     #Disable SeLinux
     if [ -s /etc/selinux/config ]; then
     sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
     fi
     setenforce 

 }

 #Installation of depend on and optimization options.
 function InstallDependsAndOpt()
 {
 cd $cur_dir

 cat >>/etc/security/limits.conf<<EOF
 * soft nproc
 * hard nproc
 * soft nofile
 * hard nofile
 EOF

 echo "fs.file-max=65535" >> /etc/sysctl.conf
 }

 #Install MySQL
 function InstallMySQL57()
 {
 echo "============================Install MySQL 5.7.15=================================="
 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

 echo "============================MySQL 5.7.15 installing…………========================="
 #mysql directory configuration
 tar xvf /root/mysql-5.7.-linux-glibc2.-x86_64.tar.gz
 mv /root/mysql-5.7.-linux-glibc2.-x86_64 /usr/local/mysql
 groupadd mysql -g
 useradd -u  -g mysql -s /sbin/nologin -d /home/mysql mysql
 mkdir -p /data/mysql
 mkdir -p /data/slowlog
 chown -R mysql:mysql /data/mysql
 chown -R mysql:mysql /usr/local/mysql
 chown -R mysql:mysql /data/slowlog

 #edit /etc/my.cnf
 SERVERID=`ifconfig eth0 | grep "inet addr" | awk '{ print $2}'| awk -F. '{ print $3$4}'`
 cat >>/etc/my.cnf<<EOF
 [client]
 port=
 socket=/tmp/mysql.sock
 default-character-set=utf8

 [mysql]
 no-auto-rehash
 default-character-set=utf8

 [mysqld]
 port=
 character-set-server=utf8
 socket=/tmp/mysql.sock
 basedir=/usr/local/mysql
 datadir=/data/mysql
 explicit_defaults_for_timestamp=true
 lower_case_table_names=
 back_log=
 max_connections=
 max_connect_errors=
 table_open_cache=
 external-locking=FALSE
 max_allowed_packet=32M
 sort_buffer_size=2M
 join_buffer_size=2M
 thread_cache_size=
 query_cache_size=32M
 #query_cache_limit=4M
 transaction_isolation=REPEATABLE-READ
 tmp_table_size=96M
 max_heap_table_size=96M

 ###***slowqueryparameters
 long_query_time=
 slow_query_log =
 slow_query_log_file=/data/slowlog/slow.log

 ###***binlogparameters
 log-bin=mysql-bin
 binlog_cache_size=4M
 max_binlog_cache_size=4096M
 max_binlog_size=1024M
 binlog_format=MIXED
 expire_logs_days=

 ###***relay-logparameters
 #relay-log=/data//relay-bin
 #relay-log-info-file=/data//relay-log.info
 #master-info-repository=table
 #relay-log-info-repository=table
 #relay-log-recovery=

 #***MyISAMparameters
 key_buffer_size=16M
 read_buffer_size=1M
 read_rnd_buffer_size=16M
 bulk_insert_buffer_size=1M

 #skip-name-resolve

 ###***master-slavereplicationparameters
 server-id=$SERVERID
 #slave-skip-errors=all

 #***Innodbstorageengineparameters
 innodb_buffer_pool_size=512M
 innodb_data_file_path=ibdata1:10M:autoextend
 #innodb_file_io_threads=
 innodb_thread_concurrency=
 innodb_flush_log_at_trx_commit=
 innodb_log_buffer_size=16M
 innodb_log_file_size=512M
 innodb_log_files_in_group=
 innodb_max_dirty_pages_pct=
 innodb_buffer_pool_dump_pct=
 innodb_lock_wait_timeout=
 innodb_file_per_table=on

 [mysqldump]
 quick
 max_allowed_packet=32M

 [myisamchk]
 key_buffer=16M
 sort_buffer_size=16M
 read_buffer=8M
 write_buffer=8M

 [mysqld_safe]
 open-files-limit=
 log-error=/data/mysql/error.log
 pid-file=/data/mysql/mysqld.pid

 EOF

 /usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf --user=mysql --datadir=/data/mysql --basedir=/usr/local/mysql --initialize-insecure

 cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
 chmod  /etc/init.d/mysqld
 chkconfig --add mysqld
 chkconfig --level  mysqld on

 cat >> /etc/ld.so.conf.d/mysql-x86_64.conf<<EOF
 /usr/local/mysql/lib
 EOF
 ldconfig

 if [ -d "/proc/vz" ];then
 ulimit -s unlimited
 fi

 /etc/init.d/mysqld start

 cat >> /etc/profile <<EOF
 export PATH=$PATH:/usr/local/mysql/bin
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/mysql/lib
 EOF

 /usr/local/mysql/bin/mysqladmin -u root password $mysqlrootpwd

 cat > /tmp/mysql_sec_script<<EOF
 use mysql;
 delete from mysql.user where user!='root' or host!='localhost';
 grant all privileges on *.* to 'sys_admin'@'%' identified by 'MANAGER';
 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/mysqld restart

 echo "============================MySQL 5.7.15 install completed========================="
 }

 function CheckInstall()
 {
 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 not found!!!MySQL install failed."
 fi

 if [ "$ismysql" = "ok" ]; then
 echo "Install MySQL 5.7.15 completed! enjoy it."
 echo "========================================================================="
 netstat -ntl
 else
 echo "Sorry,Failed to install MySQL!"
 echo "You can tail /root/mysql-install.log from your server."
 fi
 }

 #The installation log
 InitInstall >& | tee /root/mysql-install.log
 InstallDependsAndOpt >& | tee -a /root/mysql-install.log
 InstallMySQL57 > /dev/null
 CheckInstall >& | tee -a /root/mysql-install.log