MySQL5.7多实例自动化部署脚本

一、安装说明
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mysql5.7.10_onekey_install.sh自动化部署脚本支持mysql5.7.10初始化安装，多实例创建，且使用经过优化后的my.cnf配置文件和mysql.server启动脚本，该SHELL脚本在CentOS6.5_x86_64操作系统测试通过。部署示意图如下：



1、安装方式

需要准备的文件如下，放到同一个目录下，然后执行shell脚本
执行方式：

./mysql5.7.10_onekey_install.sh 3307
端口自定义，要求整数，且不和服务器端口冲突

# tree mysql5.7.10_onekey_install
mysql5.7.10_onekey_install
├── my.cnf
├── mysql-5.7.10-linux-glibc2.5-x86_64.tar.gz
├── mysql5.7.10_onekey_install.sh
└── mysql.server

1、如果是首次安装mysql，则会构建所需的所有预安装环境并创建第一个实例；2、如果不是首次安装mysql，则会在原有基础上创建多实例；

2、安装软件版本

- 操作系统：CentOS6.5_x86_64- MySQL版本：mysql-5.7.10-linux-glibc2.5-x86_64.tar.gz （最新版本5.7.10）

3、安装目录规划

上传软件包目录：/home/zkyw/installmysql程序目录：/opt/application/mysqlmysql实例数据文件目录：/data/$Port

4、程序启停操作

启动mysql实例：/data/$Port/mysql.server start停止mysql实例: /data/$Port/mysql.server stop查看mysql实例状态：/data/$Port/mysql.server status

5、脚本执行过程

第一步：对传入的参数（端口号）做判断，要求为整数且不能与服务器已有端口号冲突；第二步：如果服务器还没有安装过mysql，则进行初始化安装，自动配置所需安装环境；第三步：如果服务器上已经安装了mysql，则会创建多实例；第四步：初始化安装过程：删除msyql相关的rpm包→安装libaio包→创建安装所需的用户目录等→安装mysql→配置mysql第五步：创建多实例过程：创建目录并授权→安装mysql→配置mysql二、自动化部署脚本--------------------------------------------------------

#!/bin/sh
#auto install mysql5.7.10

#setting default directory
Port=$1
SoftDir="/home/zkyw/install"
tarbag="mysql-5.7.10-linux-glibc2.5-x86_64"
BaseDir="/opt/application/mysql"
DataDir="/data/$Port"

#remove before being installed mysql
function rmMysql() {
yum -y erase mysql >/dev/null 2>&1
yum -y erase mysql-server >/dev/null 2>&1
ret=`rpm -aq | grep -i "mysql-5" | wc -l`
num=`rpm -aq | grep -i "mysql-server" | wc -l`
test $ret -eq 1 && echo "mysql uninstall failed" && exit 1
test $num -eq 1 &&  echo "mysql-server uninstall failed" && exit 2
}
#libaio package is needed for mysql5.7.10
function chkEnv() {
yum -y install libaio >/dev/null 2>&1
res=`rpm -aq|grep libaio | wc -l`
test $res -ne 1 && echo "libaio package install failed..." && exit 3
}

#create mysql user and group, authorization, extract
function preInstall() {
/usr/sbin/groupadd mysql
/usr/sbin/useradd -r -g mysql -s /bin/false mysql
mkdir -p $BaseDir
mkdir -p $DataDir/data
chown mysql.mysql $DataDir
if test -f $SoftDir/$tarbag.tar.gz
then
cd $SoftDir && tar -zxf $tarbag.tar.gz
cd $SoftDir/$tarbag && cp -r * $BaseDir
else
echo "$tarbag.tar.gz is not found..."
exit 10
fi
}

function multPreInstall() {
mkdir -p $DataDir/data
chown mysql.mysql $DataDir
}

function install_mysql() {
#initialize mysql database
$BaseDir/bin/mysqld \
--initialize \
--user=mysql \
--basedir=$BaseDir \
--datadir=$DataDir/data \
--character-set-server=utf8 \
--collation-server=utf8_general_ci \
--initialize-insecure >/dev/null 2>&1
}
#get my.cnf and start/stop script, attention alter parameters by your envionment
function conf_mysql() {
cp $SoftDir/my.cnf $DataDir
cp $SoftDir/mysql.server $DataDir
/usr/bin/vim $DataDir/my.cnf<<EOF >/dev/null 2>&1
:%s/3306/$Port/g
:wq
EOF
sed -i "s/port=3306/port=$Port/" $DataDir/mysql.server
sed -i "s%CmdPath=\"\"%CmdPath=\"${BaseDir}\/bin\"%" $DataDir/mysql.server
sed -i "s%mysql_sock=\"\"%mysql_sock=\"${DataDir}\/mysql.sock\"%" $DataDir/mysql.server
chmod 600 $DataDir/my.cnf
chmod 700 $DataDir/mysql.server
$DataDir/mysql.server start >/dev/null 2>&1
sleep 3
#        ren=`netstat -natp|grep mysqld | grep "$1" | wc -l`

if test -e $DataDir/mysql.sock;then
echo "$DataDir/mysql.sock"
echo -e "\033[33;1mmysql install success...\033[0m"
pro=`grep $BaseDir /root/.bash_profile | wc -l`
if test "$pro" -ne 1;then
sed -i "s%PATH=\$PATH\:\$HOME\/bin%PATH=\$PATH\:\$HOME\/bin\:$BaseDir\/bin%" /root/.bash_profile
source /root/.bash_profile
fi
else
echo -e "\033[31;1mmysql install failed...\033[0m"
fi
}

if [[ "$1" =~ ^[0-9]+$ ]]; then
inPort=`netstat -natp | grep "mysqld" | grep "LISTEN" | awk '{print $4}' | cut -b 4-`
if test ! -z "$inPort";then
for myPort in $inPort
do
if test "$myPort" -eq "$1";then
echo -e "\033[33;1m$1 instance has already existed...\033[0m"
exit 1
fi
done
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1mStarting create new instance $1\033[0m"
multPreInstall
install_mysql
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1mconfiguration and starting $1 instance...\033[0m"
conf_mysql
else
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1mremove before being installed mysql...\033[0m"
rmMysql
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1minstall libaio package...\033[0m"
chkEnv
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1mget ready install envionment...\033[0m"
preInstall
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1mStarting install mysql ver5.7.10...\033[0m"
install_mysql
echo -e "\033[32;1m===========================================\033[0m"
echo -e "\033[32;1mconfiguration mysql and starting mysql...\033[0m"
conf_mysql
fi
else
echo "Usage: $0 Port (Port is inteager)"
fi

三、MySQL优化后的配置文件（my.cnf）

[client]
port = 3306
socket = /data/3306/mysql.sock
character-set-server = utf8

[mysql]
no-auto-rehash

[mysqld]
user    = mysql
port    = 3306
character-set-server = utf8
socket  = /data/3306/mysql.sock
basedir = /opt/application/mysql
datadir = /data/3306/data
explicit_defaults_for_timestamp = true
skip-ssl
secure-file-priv = NULL
lower_case_table_names = 1
back_log = 300
max_connections = 3000
max_connect_errors = 100
table_open_cache = 4096
external-locking = FALSE
max_allowed_packet = 32M
sort_buffer_size = 16M
join_buffer_size = 16M
thread_cache_size = 16
query_cache_size = 128M
query_cache_limit = 4M
ft_min_word_len = 8
thread_stack = 512K
transaction_isolation = REPEATABLE-READ
tmp_table_size = 128M
max_heap_table_size = 128M

###*** slow query parameters
long_query_time = 6
slow_query_log
slow_query_log_file = /data/3306/slow.log

###*** binlog parameters
log-bin = /data/3306/mysql-bin
binlog_cache_size = 4M
max_binlog_cache_size = 16M
max_binlog_size = 32M
binlog_format = MIXED
expire_logs_days = 7

###*** relay-log parameters
#relay-log = /data/3307/relay-bin
#relay-log-info-file = /data/3307/relay-log.info
#master-info-repository = table
#relay-log-info-repository = table
#relay-log-recovery = 1

#*** MyISAM parameters
key_buffer_size = 16M
read_buffer_size = 1M
read_rnd_buffer_size = 16M
bulk_insert_buffer_size = 1M

#skip-name-resolve

###*** master-slave replication parameters
server-id = 105
slave-skip-errors = all

#*** Innodb storage engine parameters
innodb_buffer_pool_size = 6G
innodb_data_file_path = ibdata1:10M:autoextend
#innodb_file_io_threads = 8
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 16M
innodb_log_file_size = 512M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
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 = 8192
log-error=/data/3306/mysql_3306.err
pid-file=/data/3306/mysqld.pid

四、MySQL启动脚本（mysql.server）

本文出自 “清枫拂面” 博客，请务必保留此出处http://crazy123.blog.51cto.com/1029610/1727320