Shell编程实战 自动安装LNMP

Shell编程实战 自动安装LNMP

共用函数脚本funs.sh

#!/usr/bin/env bash
## 检查上一步命令释放执行成功
check_ok() {
if [ $? != 0 ]
then
echo "Error,check the error log"
exit 1
fi
}
## 获取用户输入
read_input(){
read -p "$1" val
echo $val >> /dev/null
}
## 使用yum安装工具
yum_install(){
echo "checking....$1"
if ! rpm -qa|grep -q "^$1" ; then
echo "installing... $1"
yum install -y $1
check_ok
fi
}
ar=`arch`

select_soft(){
#clear
print_info
echo "请选择安装的软件:"
select item in MySql PHP Nginx EXIT
do
case $item in
MySql)
install_mysql
break ;
;;
PHP)
install_php
break;
;;
Nginx)
install_nginx
break;
;;
Apache)
break;
;;
EXIT)
exit 0
;;
*)
echo "选择错误，请重新选择"
;;
esac
done
select_soft
}
print_info(){
echo "
*****************************************************
* 1 安装Mysql                                       *
* 2 安装PHP                                         *
* 3 安装Nginx                                       *
* 4 退出                                            *
*****************************************************
"
}

安装mysql函数脚本 mysql.sh

#!/usr/bin/env bash
## 安装mysql的函数
install_mysql(){
mysql_data_dir=/data/mysql
passwd=123456
## 新增mysql账号
if ! grep '^mysql:' /etc/passwd ; then
useradd -M mysql -s /sbin/nologin
fi

if [ -d $install_dir/mysql ] ; then
echo -e "\e[31m 已经安装Mysql，请移除 \e[m"
else
## 安装插件
yum_install compat-libstdc++-33
[ -d $mysql_data_dir ] || mkdir -p $mysql_data_dir
## 把文件夹的目录授权给mysql
chown -R mysql:mysql $mysql_data_dir

echo "选择安装mysql的版本"
select mysql_version in 5.1 5.6
do
case $mysql_version in
5.1)
[ -f $src_dir/mysql-5.1.72-linux-$ar-glibc23.tar.gz ] || wget -P $src_dir http://mirrors.sohu.com/mysql/MySQL-5.1/mysql-5.1.72-linux-$ar-glibc23.tar.gz check_ok
tar -xvf $src_dir/mysql-5.1.72-linux-$ar-glibc23.tar.gz -C $src_dir
check_ok
mv $src_dir/mysql-5.1.72-linux-$ar-glibc23 $install_dir/mysql
sed -i '/^\[mysqld\]$/a\datadir = /data/mysql' $install_dir/mysql/support-files/my-huge.cnf
cp $install_dir/mysql/support-files/my-huge.cnf /etc/my.cnf
break ;
;;
5.6)
[ -f $src_dir/mysql-5.6.32-linux-glibc2.5-$ar.tar.gz ] || wget -P $src_dir http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.32-linux-glibc2.5-$ar.tar.gz check_ok
tar -xvf $src_dir/mysql-5.6.32-linux-glibc2.5-$ar.tar.gz -C $src_dir
check_ok
mv $src_dir/mysql-5.6.32-linux-glibc2.5-$ar $install_dir/mysql
check_ok
sed -i '/^\[mysqld\]$/a\datadir = /data/mysql' $install_dir/mysql/support-files/my-default.cnf
cp $install_dir/mysql/support-files/my-default.cnf /etc/my.cnf
break;
;;
*)
echo "选择错误"
;;
esac
done

$install_dir/mysql/scripts/mysql_install_db --user=mysql --datadir=$mysql_data_dir --basedir=$install_dir/mysql
check_ok
sed -i 's#^basedir=$#basedir='$install_dir'/mysql#g' $install_dir/mysql/support-files/mysql.server
check_ok
sed -i 's#^datadir=$#datadir=/data/mysql#g' $install_dir/mysql/support-files/mysql.server
cp -f $install_dir/mysql/support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
chkconfig --add mysqld
service mysqld start
check_ok
$install_dir/mysql/bin/mysqladmin -u root password $passwd ;
$install_dir/mysql/bin/mysql -u root -p$passwd -e "delete from mysql.user where host != 'localhost'; delete from mysql.user where user=''; update mysql.user set host = '%' ; flush privileges;"
fi
}

安装PHP php.sh

#!/bin/bash

install_php(){
for p in libxml2-devel openssl-devel bzip2-devel bzip2-devel freetype freetype-devel libmcrypt-devel libjpeg-turbo libjpeg-turbo-devel libpng-devel
do
yum_install $p
done
[ -f $src_dir/php-5.6.25.tar.gz ] || wget -P $src_dir http://101.110.118.75/am1.php.net/distributions/php-5.6.25.tar.gz tar -xvf $src_dir/php-5.6.25.tar.gz -C $src_dir
current_pwd=`pwd`
cd $src_dir/php-5.6.25
$src_dir/php-5.6.25/configure --prefix=$install_dir/php --with-config-file-path=$install_dir/php/etc  --with-mysql=$install_dir/mysql --with-libxml-dir --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --with-iconv-dir --with-zlib-dir --with-bz2 --with-openssl --with-mcrypt --enable-soap --enable-gd-native-ttf --enable-mbstring --enable-sockets --enable-exif --disable-ipv6
check_ok
make && make install
check_ok
cd $current_pwd
cp $src_dir/php-5.6.25/php.ini-production $install_dir/php/etc/php.ini
}

安装nginx nginx.sh

#!/usr/bin/env bash

install_nginx(){

[ -f $src_dir/nginx-1.11.3.tar.gz ] || wget -P $src_dir http://nginx.org/download/nginx-1.11.3.tar.gz cPwd=`pwd`
cd $src_dir
tar -xvf $src_dir/nginx-1.11.3.tar.gz -C $src_dir
check_ok
cd nginx-1.11.3
./configure --prefix=$install_dir/nginx --with-http_realip_module --with-http_sub_module --with-http_gzip_static_module --with-http_stub_status_module  --with-pcre
check_ok
make && make install
cd $cPwd
cp -f conf/nginx /etc/init.d/nginx
sed -i 's#nginx_home_dir#'$install_dir'/nginx#g' /etc/init.d/nginx
chmod +x /etc/init.d/nginx
chkconfig --add nginx
}

安装脚本 install.sh

#!/usr/bin/env bash
. /etc/init.d/functions
. funs.sh
. mysql.sh
. php.sh
. nginx.sh
# 需要使用的参数
install_dir=/usr/local
src_dir=$install_dir/src
## 关闭selinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config

## 获取当前setlinux状态，转换成为小写
selinux_s=`getenforce | tr [A-Z] [a-z]`

##如果状态为 enforcing ，设设置成 Permissive
if [ "$selinux_s" == "enforcing" ] ; then
setenforce 0 ;
fi

## 清空iptables防火墙规则
iptables-save > /etc/sysconfig/iptables_`date +%s`
iptables -F
service iptables save
## 删除 epel-release
if rpm -qa | grep epel-release > /dev/null ; then
rpm -e epel-release > /dev/null
fi
## 获取Centos的版本，如果是6.xx下载 epel-6.repo ,如果是7.xx 下载 epel-7.repo
epel_file_v=`cat /etc/redhat-release | sed 's/[^0-9.]//g' | cut -d'.' -f1`
epel_file_name=epel-"$epel_file_v".repo
## 删除 epel-6.repo 相关文件
if ls /etc/yum.repos.d/$epel_file_name >/dev/null 2>&1
then
rm -f /etc/yum.repos.d/$epel_file_name
fi

if [ "7" == "$epel_file_v" ] ; then
yum_install perl-Module-Install
fi

## 检索是否安装了下列软件，没有就安
yum_install wget

wget -P /etc/yum.repos.d/ http://mirrors.aliyun.com/repo/$epel_file_name #检查wget下载epel-6.rep文件是否下载成功
check_ok

select_soft