脚本部署mysql

Posted 2021-12-03 韦建国

vim install.mysql.sh

#!/bin/bash

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

###Check if user is root

if [ $UID -ne 0 ]; then

echo "Error: You must be root to run this script, please use root to install"

exit 1

fi

clear

echo "========================================================================="

echo "A tool to auto-compile & install MySQL 5.7.29 on Redhat/CentOS Linux "

echo "========================================================================="

#pkill -9 mysql

#date +%Y-%m-%d-%H-%M

#卸载系统自带的Mysql

#/bin/rpm -e $(/bin/rpm -qa | grep mysql|xargs) --nodeps

#/bin/rpm -e $(/bin/rpm -qa | grep mariadb|xargs) --nodeps

#/bin/rm -f /etc/my.cnf

#set mysql root password

echo "==========================="

mysqlrootpwd="$1"

if [ "$1" = "" ]; then

mysqlrootpwd="rootmysql"

fi

#which MySQL Version do you want to install?

echo "==========================="

isinstallmysql57="5.7.29"

echo "Install MySQL 5.7.29,Please input y"

read -p "(Please input y , n):"

# Initialize the installation related content.

#Delete Old Mysql program

rpm -qa|grep mysql

rpm -e mysql

cat >>/etc/security/limits.conf<<EOF

* soft nproc 65535

* hard nproc 65535

* soft nofile 65535

* hard nofile 65535

EOF

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

echo "============================Install MySQL 5.7.29=================================="

#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 5.7.29 installing…………========================="

##define mysql directory configuration variable

Datadir=/data/mysql/data

Binlogdir=/data/mysql/binlog

Logdir=/data/mysql/logs

##yum install devel and wget mysql

yum install numactl

/usr/bin/wget -P /tmp https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.29-linux-glibc2.12-x86_64.tar.gz

sleep 2

tar xf /tmp/mysql-5.7.29-linux-glibc2.12-x86_64.tar.gz -C /usr/local/

ln -s /usr/local/mysql-5.7.29-linux-glibc2.12-x86_64 /usr/local/mysql

grep mysql /etc/passwd

RETVAL=$?

if [ $RETVAL -ne 0 ];then

useradd mysql -s /sbin/nologin -M

action "mysql user added successfully" /bin/true

else

action " $(echo -e "\\e[31;47;5m mysql user already exists\\e[0m")" /bin/false

fi

if [ ! -d "$Datadir" ]

then

mkdir -p /data/mysql/data

fi

if [ ! -d "$Binlogdir" ]

then

mkdir -p /data/mysql/binlog

fi

if [ ! -d "$Logdir" ]

then

mkdir -p /data/mysql/logs

fi

chown -R mysql:mysql /data/mysql

chown -R mysql:mysql /usr/local/mysql

#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 = 3306

[mysql]

auto-rehash

prompt="\\\\u@\\\\h [\\\\d]>"

#pager="less -i -n -S"

#tee=/opt/mysql/query.log

[mysqld]

####: for global

user =mysql

basedir =/usr/local/mysql/

datadir =/data/mysql/data

server_id =2333306

port =3306

character_set_server =utf8

explicit_defaults_for_timestamp =off

log_timestamps =system

socket =/tmp/mysql.sock

read_only =0

skip_name_resolve =1

auto_increment_increment =1

auto_increment_offset =1

lower_case_table_names =1

secure_file_priv =

open_files_limit =65536

max_connections =1000

thread_cache_size =64

table_open_cache =81920

table_definition_cache =4096

table_open_cache_instances =64

max_prepared_stmt_count =1048576

####: for binlog

binlog_format =row

log_bin =/data/mysql/binlog/mysql-bin

binlog_rows_query_log_events =on

log_slave_updates =on

expire_logs_days =7

binlog_cache_size =65536

#binlog_checksum =none

sync_binlog =1

slave-preserve-commit-order =ON

####: for error-log

log_error =/data/mysql/logs/error.log

general_log =off

general_log_file =/data/mysql/logs/general.log

####: for slow query log

slow_query_log =on

slow_query_log_file =/data/mysql/logs/slow.log

#log_queries_not_using_indexes =on

long_query_time =1.000000

####: for gtid

#gtid_executed_compression_period =1000

gtid_mode =on

enforce_gtid_consistency =on

####: for replication

skip_slave_start =1

#master_info_repository =table

#relay_log_info_repository =table

slave_parallel_type =logical_clock

slave_parallel_workers =4

#rpl_semi_sync_master_enabled =1

#rpl_semi_sync_slave_enabled =1

#rpl_semi_sync_master_timeout =1000

#plugin_load_add =semisync_master.so

#plugin_load_add =semisync_slave.so

binlog_group_commit_sync_delay =100

binlog_group_commit_sync_no_delay_count = 10

####: for innodb

default_storage_engine =innodb

default_tmp_storage_engine =innodb

innodb_data_file_path =ibdata1:1024M:autoextend

innodb_temp_data_file_path =ibtmp1:12M:autoextend

innodb_buffer_pool_filename =ib_buffer_pool

innodb_log_group_home_dir =/data/mysql/data

innodb_log_files_in_group =3

innodb_log_file_size =1024M

innodb_file_per_table =on

innodb_online_alter_log_max_size =128M

innodb_open_files =65535

innodb_page_size =16k

innodb_thread_concurrency =0

innodb_read_io_threads =4

innodb_write_io_threads =4

innodb_purge_threads =4

innodb_page_cleaners =4

# 4(刷新lru脏页)

innodb_print_all_deadlocks =on

innodb_deadlock_detect =on

innodb_lock_wait_timeout =20

innodb_spin_wait_delay =128

innodb_autoinc_lock_mode =2

innodb_io_capacity =200

innodb_io_capacity_max =2000

#--------Persistent Optimizer Statistics

innodb_stats_auto_recalc =on

innodb_stats_persistent =on

innodb_stats_persistent_sample_pages =20

innodb_adaptive_hash_index =on

innodb_change_buffering =all

innodb_change_buffer_max_size =25

innodb_flush_neighbors =1

#innodb_flush_method =

innodb_doublewrite =on

innodb_log_buffer_size =128M

innodb_flush_log_at_timeout =1

innodb_flush_log_at_trx_commit =1

innodb_buffer_pool_size =4096M

innodb_buffer_pool_instances =4

autocommit =1

#--------innodb scan resistant

innodb_old_blocks_pct =37

innodb_old_blocks_time =1000

#--------innodb read ahead

innodb_read_ahead_threshold =56

innodb_random_read_ahead =OFF

#--------innodb buffer pool state

innodb_buffer_pool_dump_pct =25

innodb_buffer_pool_dump_at_shutdown =ON

innodb_buffer_pool_load_at_startup =ON

EOF

/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/data

Pass=$(grep A temporary password /data/mysql/logs/error.log |awk {print $NF})

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld

chkconfig --add mysqld

chkconfig mysqld on

/etc/init.d/mysqld start

echo "export PATH=$PATH:/usr/local/mysql/bin" > /etc/profile.d/mysql.sh

source /etc/profile.d/mysql.sh

echo "============================MySQL 5.7.29 install completed========================="

ps -eo start,cmd,pid|grep mysql

/usr/local/mysql/bin/mysqladmin -uroot -p"$Pass" password $mysqlrootpwd

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

[root@localhost ~]# sh install.mysql.sh mysqlroot

[root@localhost ~]# source /etc/profile.d/mysql.sh

说明： mysqlroot 为安装脚本修改MySQL服务默认passwd后的新的passwd

[root@localhost ~]# mysql -uroot -pmysqlroot -e "select now()"

mysql: [Warning] Using a password on the command line interface can be insecure.

+---------------------+

| now() |

+---------------------+

| 2020-10-13 16:18:47 |

+---------------------+

到此处MySQL服务启动成功！