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脚本部署mysql

IT知识脚本mysql部署

弱龄寄事外，委怀在琴书。这篇文章主要讲述脚本部署mysql相关的知识，希望能为你提供帮助。
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 |
+---------------------+
【脚本部署mysql】到此处MySQL服务启动成功！

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