Mariadb一键安装脚本

下载地址：https://mariadb.org/download/

#!/bin/bash
#将安装文件放在/usr/loca/下面，根据mariadb版本号不一样，修改MYSQL_TAR和MYSQL_UNZIP_FILE参数的版本号，然后执行脚本进行安装.
#脚本可重复执行，如果是已经有数据的情况下，先把之前的数据目录都备份好以后再执行脚本，防止数据被删除.
# date: 2016.7.20
MYSQL_HOME='/usr/local/mysql'
MYSQL_TAR='/usr/local/mariadb-10.0.15-linux-x86_64.tar.gz'
MYSQL_UNZIP_FILE='/usr/local/mariadb-10.0.15-linux-x86_64'
MYSQL_UNDO='/usr/local/mysql/undo'
MYSQL_REDO='/usr/local/mysql/redo'
MYSQL_USER='mysql'
MYSQL_PASSWD='xusj'
MYSQL_PORT='3306'
MYSQL_CONF='/etc/my.cnf'
TIME=`date +%Y%m%d`#mysql用户/密码/实例相关参数
root_passwd="111111"
database_name='xxfae'
username='xxfae'rm -rf $MYSQL_UNZIP_FILE  && rm -rf $MYSQL_HOME#安装环境检查
check_soft()
{if [ ! -f $MYSQL_TAR ];thenecho "请确认安装文件 $MYSQL_TAR 在$MYSQL_HOME目录，重新执行$0"rm -rf $MYSQL_UNZIP_FILE > /dev/null 2>&1rm -rf $MYSQL_HOME > /dev/null 2>&1rm -rf /etc/my.cnf > /dev/null 2>&1rm -rf /etc/init.d/mysqld >/dev/null 2>&1fipid=`pidof mysqld`if [ ! -z $pid ];thenkill -9 $pidecho "mysqld在运行中，杀掉mysql进程" && sleep 1fi
}#安装环境准备
init()
{find / -name "mysql" -exec rm -rf {} \; >/dev/null 2>&1id mysqlif [  "0" == "$?" ];thenecho "mysql用户存在，删除mysql用户和组" pid=`pidof mysqld`kill -9  $pid >/dev/null 2>&1/usr/sbin/userdel -r  mysql > /dev/null 2>&1echo "1创建mysql用户和组" && sleep 2/usr/sbin/groupadd mysql/usr/sbin/useradd -s /sbin/nologin -g mysql mysqlelseecho "2222创建mysql用户和组" && sleep 2/usr/sbin/groupadd mysql/usr/sbin/useradd -s /sbin/nologin -g mysql mysqlfi
}#安装程序
mysql_install()
{/bin/tar -zxf  $MYSQL_TAR  -C /usr/local/echo "创建mysql相关文件目录" && sleep 2ln -s $MYSQL_UNZIP_FILE $MYSQL_HOMEmkdir -p $MYSQL_REDO mkdir -p $MYSQL_UNDOchmod -R 755 $MYSQL_HOME/chown -R mysql:mysql $MYSQL_HOME/cd $MYSQL_HOME/echo "MySQL安装初始化..."./scripts/mysql_install_db --user=$MYSQL_USER --innodb_undo_directory=$MYSQL_UNDO --innodb_undo_tablespaces=16if [ -n "$?" ] ;thenecho "mysql install successful!"cp support-files/my-huge.cnf /etc/my.cnfcp support-files/mysql.server /etc/init.d/mysqldelseecho "mysql install failed"exit 1    fi
}#配置文件
mysql_conf()
{mv /etc/my.cnf /etc/my.cnf_$TIME.bakecho "[mysqld]
port        = 3306
socket      = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 384M
max_allowed_packet = 1M
table_open_cache = 512
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size = 0
query_cache_type=0
log_slave_updates=ON
sync_relay_log=1
innodb_buffer_pool_size=4000M
transaction-isolation=READ-COMMITTED
innodb_autoinc_lock_mode = 2
#skip-name-resolve
innodb_thread_concurrency=5
back-log=500
default-storage-engine=InnoDB
innodb_flush_method=O_DIRECTinnodb_undo_tablespaces = 16
innodb_undo_directory = /usr/local/mysql/undo
innodb_log_group_home_dir=/usr/local/mysql/redo
innodb_data_home_dir=/usr/local/mysql/data
character-set-server=utf8
collation-server=utf8_general_ci
lower_case_table_names = 1
log_bin_trust_function_creators=1
innodb_strict_mode=true
log-bin=mysql-bin
binlog_checksum=NONE
binlog_format=ROW
binlog_cache_size = 8M
max_binlog_size = 500M
max_binlog_cache_size = 100M
expire_logs_days = 7
innodb_log_file_size=512m
innodb-log-buffer-size=8M
innodb-log-files-in-group=2
default-tmp-storage-engine=InnoDB
innodb-autoextend-increment=16M
innodb-buffer-pool-instances=4
innodb-file-per-table=true
innodb_rollback_on_timeout=true
innodb-old-blocks-time=60000
innodb-print-all-deadlocks=true
open-files-limit=32767
innodb_open_files=32767
log-output=FILE
slow-query-log=true
log-queries-not-using-indexes=true
thread_handling=pool-of-threads
thread_pool_max_threads=100
thread_pool_size=50
thread_cache_size=64
max-connections=3000
event_scheduler=ON
server-id   = 1
performance_schema=on
performance-schema-instrument='wait/io/file/%=on'
performance-schema-instrument='wait/io/table/%=on'
performance-schema-instrument='statement/com/%=on'
performance-schema-instrument='statement/sql/%=on'
performance-schema-instrument='stage/sql/%=on'
performance-schema-consumer-events_stages_current=on
performance-schema-consumer-events_stages_history_long=on
performance_schema_events_statements_history_long_size=10000
performance-schema-consumer-events_statements_current=on
performance-schema-consumer-events_statements_history_long=on
performance_schema_events_statements_history_long_size=10000
performance-schema-consumer-events_waits_current=on
performance-schema-consumer-events_waits_history_long=on
performance_schema_events_waits_history_long_size=10000
performance-schema-consumer-statements_digest=on
performance_schema_digests_size=10000[mysqldump]
quick
max_allowed_packet = 16M" > /etc/my.cnf
}#mysql服务设置，启动mysql
mysqld()
{chkconfig --add /etc/init.d/mysqldchkconfig mysqld onecho "启动mysql..."service mysqld start
}passwd()
{echo "设置mysql的root管理密码成功！" && sleep 2source ~/.bash_profilemysqladmin -uroot password $root_passwd
}create_user()
{echo "创建mysql业务用户$username，默认密码为123456，请登录数据库进行修改!" && sleep 2 mysql -uroot -e "grant all privileges on *.* to $username@'localhost' identified by '123456';"
}create_db()
{echo "创建数据库实例$database_name，默认字符集为UTF-8." && sleep 2mysql -uroot -e "use mysql; create database $database_name charset utf8;"
}check_soft && init && mysql_install &&mysql_conf && mysqld && create_user && create_db && passwd