azure 云上MySQL最新版本 MySQL5.7.11 批量自动化一键式安装 (转)
--背景云端以前都喜欢了源码安装mysql，总觉得源码是高大上的事情，不过源码也需要时间，特别是make的时候，如果磁盘和cpu差的话，时间很长很长，在虚拟机上安装mysql尤其甚慢了。
现在业务发展了，开始在云上部署了，需要经常安装mysql，有的时候一次部署很多台，如果还是源码安装一个个去执行，效率就比较差了，所以准备采用更快效率的二进制来实现一键式自动化安装mysql。
1，mysql二进制安装包下载地址
下载地址：http://download.csdn.net/detail/mchdba/9488918，包括
1）一键式自动安装脚本：auto_install_mysql5.7.sh;
2）Mysql参数文件my.cnf
3）Mysql5.7二进制安装包，在readme_mysql5.7_down_address.txt文件里面有下载地址连接，比mysql官网下载速度快很多倍。
PS：下载之后，将脚本已经所有软件放在同一个目录比如/soft目录下面。
blog源地址：http://blog.csdn.net/mchdba/article/details/51138063，谢绝转载。
2，自动化初始化linux服务器脚本
执行bash -x init_linux.sh就开始自动初始化linux服务器了， 自动化安装脚本init_linux.sh如下，下载地址为http://download.csdn.net/detail/mchdba/9488929：
#1 instal jdk , add tomcat user
sh init_jdk.sh
useradd tomcat
mkdir -p /usr/local/app/
chown -R tomcat.tomcat /usr/local/app
#2 # vim /etc/sudoers
echo "tomcatALL=(ALL) ALL" >> /etc/sudoers
#3 set limits.conf
echo "* soft nofile 65536" >>/etc/security/limits.conf
echo "* hard nofile 65536" >> /etc/security/limits.conf
ulimit -a
#4 kernel optimization
grep "net.ipv4.tcp_keepalive_time = 30" /etc/sysctl.conf
if [ $? != 0 ]
then
cat <<EOF>> /etc/sysctl.conf
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_tw_reuse = 1
net.core.somaxconn = 262144
net.core.netdev_max_backlog = 262144
net.ipv4.tcp_max_orphans = 262144
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_keepalive_time = 30
net.ipv4.tcp_keepalive_probes = 6
net.ipv4.tcp_keepalive_intvl = 5
net.ipv4.tcp_timestamps = 0
EOF
sed -i 's/net.bridge.bridge-nf-call-ip6tables = 0/#net.bridge.bridge-nf-call-ip6tables = 0/g' /etc/sysctl.conf
sed -i 's/net.bridge.bridge-nf-call-iptables = 0/#net.bridge.bridge-nf-call-iptables = 0/g' /etc/sysctl.conf
sed -i 's/net.bridge.bridge-nf-call-arptables = 0/#net.bridge.bridge-nf-call-arptables = 0/g' /etc/sysctl.conf
fi
sysctl -p
#5 selinux disabled
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux
sed -i 's/id:5:initdefault:/id:3:initdefault:/g' /etc/inittab
#6 stop some services
service iptables stop
sh stopservice.sh
#7 see the version
#less /etc/issue
#8 set 90-nproc
sed -i 's/* soft nproc 1024/#* soft nproc 1024/g' /etc/security/limits.d/90-nproc.conf
sed -i 's/root soft nproc unlimited/* soft nproc unlimited/g' /etc/security/limits.d/90-nproc.conf
#9 system basic lib package install
yum install gcc gcc-c++ ncurses-devel.x86_64 cmake.x86_64 libaio.x86_64 bison.x86_64 gcc-c++.x86_64 bind-utils wget curl curl-devel perl openssh-clients setuptool sysstat -y
yum search rz -y
yum install -y lrzsz.x86_64
#10 set shanghai time
cp -f /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
hwclock
#11 restart the linux server
shutdown -r now
3，自动化安装脚本
执行脚本bash-x auto_install_mysql5.7.sh，开始一键式安装，自动化安装脚本如下：
# install the basie lib
yum install cmake -y
groupadd mysql
useradd -g mysql mysql
autoreconf --force --install
libtoolize --automake --force
automake --force --add-missing
yum install -y libtoolize
yum install gcc gcc-c++ -y
yum install -y ncurses-devel.x86_64
yum install -y cmake.x86_64
yum install -y libaio.x86_64
yum install -y bison.x86_64
yum install -y gcc-c++.x86_64
yum install make -y
# add mysql account,create the basic directory
mkdir -p /data/mysql/data
cd /data/mysql/data
chown -R mysql.mysql /data
chown -R mysql.mysql /usr/local/mysql5711
mkdir -p /data/mysql/binlog/
chown -R mysql.mysql /data/mysql/binlog/
cd /usr/local/mysql5711/
# init databases
rm -rf /data/mysql/data/*
cp my.cnf /usr/local/mysql5711/my.cnf
time bin/mysqld --defaults-file=/usr/local/mysql5711/my.cnf --initialize --user=mysql
# set the auto start on linux server started
cp support-files/mysql.server /etc/init.d/mysql
chmod 700 /etc/init.d/mysql
echo "export PATH=$PATH:/usr/local/mysql5711/bin">>/etc/profile
source /etc/profile
chkconfig --add mysql
# do a soft link to start mysql
cd /usr/local/
ln -s /usr/local/mysql5711 mysql
# remove default my.cnf
mv /etc/my.cnf /tmp/
# set the default password
/usr/local/mysql/bin/mysqld_safe --skip-grant-tables --skip-networking &
/usr/local/mysql/bin/mysql -uroot --password='' --socket='/usr/local/mysql/mysql.sock' -e " update mysql.user set authentication_string=password('dns_yuerld') where user='root' and Host = 'localhost'; flush privileges;"
/usr/local/mysql/bin/mysql -uroot --password='dns_yuerld' --socket='/usr/local/mysql/mysql.sock' -e " set PASSWORD=PASSWORD('dns_yuerld'); create database t; create table t1 select 1 as a; select * from t1;"
# restart the mysql server
service mysql restart
# check the test
/usr/local/mysql/bin/mysql -uroot --password='dns_yuerld' --socket='/usr/local/mysql/mysql.sock' -e " select * from t1;"
4，批量安装很多mysql实例
将脚本和安装软件scp到N台服务器，然后ssh ip地址 " sh /soft/init_linux.sh; sh /soft/install_mysql.sh;"，用后台批量进程来安装。5，why？采用二进制安装而不采用源码安装
主要是源码安装在make环节需要消耗太多时间，一次源码安装mysql需要很久，而二进制安装免去了configure、make、make install这一步骤，大大缩减了安装时间提升了效率，单台安装mysql感觉不大，如果一次性安装成千上万台，这个差距就是天上地下咯。
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