MySQL5.7一键安装脚本
【摘要】 MySQL的配置文件my.cnf参数调整参考来源于iMySQL | 老叶茶馆 此脚本是本博主生产环境中经常使用的进行批量部署mysql服务时采用。脚本比较陋，写此处主要是方便自己使用时及时查阅，同时也希望可以帮助初级的DBA同学，脚本中如有写法不当之处欢迎拍砖，但是也希望不喜勿喷。
本文写作说明：
MySQL的配置文件my.cnf参数调整参考来源于iMySQL | 老叶茶馆
此脚本是本博主生产环境中经常使用的进行批量部署mysql服务时采用。脚本比较陋，写此处主要是方便自己使用时及时查阅，同时也希望可以帮助初级的DBA同学，脚本中如有写法不当之处欢迎拍砖，但是也希望不喜勿喷。
脚本文件内容：
#!/bin/bash[ -f /etc/init.d/functions ]&& . /etc/init.d/functions###Check if user is rootif [ $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 5.7.24 on Redhat/CentOS Linux "echo "========================================================================="#set mysql root password
echo "==========================="
mysqlrootpwd="$1"
if [ "$1" = "" ]; then
mysqlrootpwd="rootmysql"
fi#which MySQL Version do you want to install?echo "==========================="
isinstallmysql57="5.7.24"
echo "Install MySQL 5.7.24,Please input y"
read -p "(Please input y , n):" # Initialize the installation related content.
#Delete Old Mysql program
rpm -qa|grep mysql
rpm -e mysql
cat >>/etc/security/limits.conf<<EOF
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
EOF
echo "fs.file-max=65535" >> /etc/sysctl.conf
echo "============================Install MySQL 5.7.24=================================="#Backup old my.cnf#rm -f /etc/my.cnfif [ -s /etc/my.cnf ]; then
mv /etc/my.cnf /etc/my.cnf.`date +%Y%m%d%H%M%S`.bak
fi
echo "============================MySQL 5.7.24 installing…………========================="##define mysql directory configuration variableDatadir=/data/mysql/data
Binlogdir=/data/mysql/binlog
Logdir=/data/mysql/logs##yum install devel and wget mysqlyum install numactl
##/usr/bin/wget -P /tmp https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.24-linux-glibc2.12-x86_64.tar.gzsleep 2
tar xf /tmp/mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz -C /usr/local/
ln -s /usr/local/mysql-5.7.24-linux-glibc2.12-x86_64 /usr/local/mysql
grep mysql /etc/passwd
RETVAL=$?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 globaluser =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 binlogbinlog_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-loglog_error =/data/mysql/logs/error.log
general_log =off
general_log_file =/data/mysql/logs/general.log
####: for slow query logslow_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 replicationskip_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 innodbdefault_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 Statisticsinnodb_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 resistantinnodb_old_blocks_pct =37
innodb_old_blocks_time =1000
#--------innodb read aheadinnodb_read_ahead_threshold =56
innodb_random_read_ahead =OFF
#--------innodb buffer pool stateinnodb_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 5.7.24 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服务默认密码后的新的密码
[root@localhost ~]# mysql -uroot -p'mysqlroot' -e "select now()"
mysql: [Warning] Using a password on the command line interface can be insecure.
+---------------------+
| now() |
+---------------------+
| 2018-11-09 13:40:41 |
+---------------------+
[root@localhost ~]#
到此处MySQL服务启动成功
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