nginx编译安装脚本

xuanxi

　　#!/bin/bash
　　#__Author__:Allen_Jol at 2018-03-21 13:52:13
　　#Description: install nginx-1.12.2 for centos 6.x
　　CPU_CORE=`grep processor /proc/cpuinfo | wc -l`
　　DIR="/usr/local/src"
　　PCRE_VERSION="pcre-8.39"
　　PCRE_DOWN_URL="https://ftp.pcre.org/pub/pcre/${PCRE_VERSION}.tar.gz"
　　NGX_CACHE_PURGE_VERSION="ngx_cache_purge-2.3"
　　NGX_CACHE_PURGE_DOWN_URL="http://labs.frickle.com/files/${NGX_CACHE_PURGE_VERSION}.tar.gz"
　　NGINX_VERSION="nginx-1.12.2"
　　NGINX_DOWN_URL="http://nginx.org/download/${NGINX_VERSION}.tar.gz"
　　function check_root(){
　　if [ $UID -ne 0 ];then
　　echo -e "\e[1;35mMust be root to excute this script.\e[0m"
　　exit 1
　　fi
　　}
　　check_root
　　function create_user(){
　　gflag=`cat  /etc/group  |awk -F':'  '{print  $1}'  | grep  www`
　　[[ $gflag != "" ]]  && echo -e "\e[1;35mgroup 'www' already exists\e[0m"  || groupadd www
　　uflag=`cat  /etc/passwd  |awk -F':'  '{print  $1}'  | grep  www`
　　[[ $uflag != ""  ]] && echo -e "\e[1;35muser 'www' already exists\e[0m" || useradd -r www -g www -s /sbin/nologin
　　}
　　create_user
　　function install_required_packages(){
　　NETTEST=`ping -c 1 www.baidu.com >>/dev/null`
　　if [ $? -eq 0 ];then
　　echo -e "Install required packages,please wait...\t Or you can press \e[5;35m[ctrl+c]\e[0m to exit."
　　yum -y install make gcc gcc-c++ wget lrzsz zlib zlib-devel openssl openssl-devel curl curl-devel ncurses ncurses-devel >>/dev/null
　　else
　　echo -e "\e[1;35mnetwork is error,please check first.\e[0m"
　　exit 1
　　fi
　　}
　　install_required_packages
　　function check_dir(){
　　[ -f "/usr/local/nginx" ] && echo "There have nginx dir,scripts have been locked.make sure you don't install nginx first." && exit 1
　　}
　　check_dir
　　function pcre_download(){
　　if [ -f "${DIR}/pcre-8.39.tar.gz" ];then
　　echo "${PCRE_VERSION}.tar.gz exits."
　　sleep 1
　　else
　　cd ${DIR} && wget -c ${PCRE_DOWN_URL}
　　fi
　　}
　　pcre_download
　　function ngx_cache_purge_down(){
　　if [ -f "${DIR}/${NGX_CACHE_PURGE_VERSION}.tar.gz" ];then
　　echo "${NGX_CACHE_PURGE_VERSION}.tar.gz have exits,please clean it first." && exit 1
　　else
　　echo "Download ${NGX_CACHE_PURGE_VERSION}.tar.gz now!"
　　cd ${DIR} && wget -c ${NGX_CACHE_PURGE_DOWN_URL}
　　fi
　　}
　　ngx_cache_purge_down
　　function nginx_download(){
　　if [ -f "${DIR}/${NGINX_VERSION}.tar.gz" ];then
　　echo "nginx packages is exists,clean your nginx package first."
　　exit 1
　　else
　　echo -e "\e[1;34mDownload ${NGINX_VERSION} now,please wait...\e[0m"
　　cd ${DIR} && wget -c ${NGINX_DOWN_URL} && tar -zxf "${NGX_CACHE_PURGE_VERSION}.tar.gz"
　　fi
　　}
　　nginx_download
　　function pcre_install(){
　　cd ${DIR} && tar -zxf ${PCRE_VERSION}.tar.gz
　　cd ${PCRE_VERSION}/ && ./configure >>/dev/null && make -j ${CPU_CORE} >>/dev/null && make install >>/dev/null
　　[ $? -ne 0 ] && echo "编译pcre包出错，请检查！" && exit 1
　　}
　　pcre_install
　　function nginx_install(){
　　echo -e "\e[1;34mInstall nginx now,please wait for a moments...\e[0m"
　　cd ${DIR} && tar -zxf ${NGINX_VERSION}.tar.gz
　　cd ${NGINX_VERSION}/
　　./configure  --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_gzip_static_module --with-pcre=/usr/local/src/pcre-8.39 --add-module=/usr/local/src/ngx_cache_purge-2.3 >>/dev/null
　　make -j ${CPU_CORE} >>/dev/null && make install >>/dev/null
　　}
　　nginx_install
　　function nginx_start(){
　　echo "Enter [q or Q] to exit,Enter [s or S] to start nginx."
　　read -p "Please enter your choice: " choice
　　case $choice in
　　q|Q)
　　echo "Exit after 5 seconds." && sleep 5
　　exit 1
　　;;
　　s|S)
　　echo "Start nginx now." && sleep 3 && /usr/local/nginx/sbin/nginx
　　;;
　　esac
　　}
　　nginx_start
　　function check_nginx_status(){
　　netstat -tunlp | grep nginx
　　if [ $? -eq 0 ];then
　　echo -e "\e[1;34mnginx start successfully and nginx version is:\e[0m"
　　/usr/local/nginx/sbin/nginx -v
　　else
　　echo -e "\e[1;35mnginx start  failed ,please check\e[0m"
　　exit 1
　　fi
　　}
　　check_nginx_status