nginx一键部署脚本

发表于： 2018年7月17日 2019年3月17日
分类：运维
标签： nginx, shell

目录

前言

由于在工作中，是不是需要给新机器安装lnmp的环境，很多都是重复性的工作，所以专门写了lnmp中各个服务的一键部署脚本，通过自动化解决重复工作问题。这一篇文章，主要介绍nginx的一键部署脚本。

1.install_nginx.sh脚本

#!/bin/sh
############################################################################################
# 说明：nginx一键部署
# 作者：shuwoom
# Email：shuwoom.wgc@gmail.com
#############################################################################################



############################################################################################
# Nginx参数配置
#############################################################################################
# NGINX安装包下载地址
F_NGINX_PKG="http://nginx.org/download/nginx-1.15.9.tar.gz"
# nginx安装路径
D_NGINX_SERVICE="/user/share/nginx"
# nginx日志保存路径
D_NGINX_LOG="/var/log/nginx"
# nginx web路径
D_NGINX_WEB_ROOT="/user/share/nginx/html"
# nginx进程用户属性
V_NGINX_USER="nginx"
# nginx监听端口
V_NGINX_PORT=80


[ -d ${D_NGINX_SERVICE} ] || mkdir -p ${D_NGINX_SERVICE}
[ -d ${D_NGINX_LOG} ] || mkdir -p ${D_NGINX_LOG}



############################################################################################
# Nginx安装 
# 版本：1.15.9
#############################################################################################
function install_nginx()
{
	local v_start_ts=$(date +%s)
	local v_nginx_flag=$(nginx -v 2>&1 | awk 'NR==1{print substr($0,0,5)}')
	if [[ "${v_nginx_flag}" == "nginx" ]]; then
		echo "[INFO] nginx installed, ignore!"
		return
	else
		echo "[INFO] Nginx not installed, begin to install Nginx!"
	fi

	echo "[INFO]============Start Nginx Installation=================="
	if [[ ! -d "${D_TMP}" ]]; then
		echo "[INFO] Create tmp dir"
		mkdir -p ${D_TMP}
	fi

	wget ${F_NGINX_PKG}

	tar -xf nginx-1.15.9.tar.gz

	local d_nginx_pkg="${D_TMP}/nginx-1.15.9"

	cd ${d_nginx_pkg}

	# 安装编译环境
	yum -y install gcc pcre pcre-devel zlib zlib-devel openssl openssl-devel

	# 添加用户和组
	local v_nginx_group=$(cat /etc/group|grep ${V_NGINX_USER})
	if [[ -z "${v_nginx_group}" ]]; then
		echo "[INFO] ${V_NGINX_USER}:${V_NGINX_USER} not exist, create it!"
		groupadd ${V_NGINX_USER}
		useradd -g ${V_NGINX_USER} ${V_NGINX_USER}
	fi

	# 配置
	./configure \
	--user=${V_NGINX_USER} \
	--group=${V_NGINX_USER} \
	--prefix=${D_NGINX_SERVICE} \
	--with-http_ssl_module \
	--with-http_stub_status_module \
	--with-http_realip_module \
	--with-threads

	# 编译安装
	make && make install

	local v_nginx_flag=$(${D_NGINX_SERVICE}/sbin/nginx -v 2>&1 | awk 'NR==1{print substr($0,0,5)}')
	if [[ "${v_nginx_flag}" == "nginx" ]]; then
		echo "[INFO] Nginx installed successfully!"
	else
		echo "[ERROR] Nginx installed failed!"
		exit 0
	fi

	if [[ ! -e "/usr/bin/nginx" ]]; then
		ln -s ${D_NGINX_SERVICE}/sbin/nginx /usr/bin/nginx
	fi

	if [[ -e " ${D_NGINX_SERVICE}/conf/nginx.conf" ]]; then
		mv  ${D_NGINX_SERVICE}/conf/nginx.conf ${D_NGINX_SERVICE}/conf/nginx.conf.bak
	fi
	cp nginx.conf  ${D_NGINX_SERVICE}/conf/nginx.conf
	sed -i "s#user  nginx;#user  ${V_NGINX_USER};#"
	sed -i "s#error_log  logs\/error.log  error;#error_log  ${D_NGINX_LOG}\/error.log  error;#" ${D_NGINX_SERVICE}/conf/nginx.conf
	sed -i "s#root         \/user\/share\/nginx\/html;#root         ${D_NGINX_WEB_ROOT};#" ${D_NGINX_SERVICE}/conf/nginx.conf
	sed -i "s#listen       80;#listen       ${V_NGINX_PORT};#" ${D_NGINX_SERVICE}/conf/nginx.conf
	
	# 添加开机启动
	cp nginx /etc/init.d/nginx
	sed -i "s#nginx=\"\/usr\/local\/nginx\/sbin\/nginx\"#nginx=\"${D_NGINX_SERVICE}\/sbin/nginx\"#" /etc/init.d/nginx
	sed -i "s#NGINX_CONF_FILE=\"\/usr\/local\/nginx\/conf\/nginx.conf\"#NGINX_CONF_FILE=\"${D_NGINX_SERVICE}\/conf\/nginx.conf\"#"  /etc/init.d/nginx
	
	chmod +x /etc/init.d/nginx
	chkconfig --add /etc/init.d/nginx
	chkconfig nginx on
	service nginx start

	# 创建web访问目录
	if [[ ! -d "${D_NGINX_WEB_ROOT}" ]]; then
		mkdir -p ${D_NGINX_WEB_ROOT}
	fi

	chown -R ${V_NGINX_USER}:${V_NGINX_USER} ${D_NGINX_WEB_ROOT}

	# 检测是否启动成功
	local v_nginx_cnt=$(ps -ef|grep nginx|grep -v grep|wc -l)
	if [[ ${v_nginx_cnt} -gt 0 ]]; then
		echo "[INFO] Nginx start successfully!"
	else
		echo "[ERROR] Nginx start failed!"
		exit 0
	fi

	local v_end_ts=$(date +%s)
	local v_cost_ts=`expr ${v_end_ts} - ${v_start_ts}`
	echo "[INFO] Nginx Total cost: ${v_cost_ts}"
	echo "[INFO]============End of Nginx Installation=================="
}

install_nginx

2.nginx.conf配置文件

user  nginx;
worker_processes  auto;
pid /run/nginx.pid;

events {
    worker_connections  1024;
}

http {

    error_log  logs/error.log  error;

    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  30;

    server {
        listen       80;
        server_name  localhost;
        root         /user/share/nginx/html;

        location / {
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;

            include        fastcgi_params;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }


}

3.nginx服务文件

#! /bin/bash
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig:   - 85 15
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse \
#               proxy and IMAP/POP3 proxy server
#
# processname: nginx
# config:      /etc/nginx/nginx.conf
# pidfile:     /run/nginx.pid

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0

nginx="/user/share/nginx/sbin/nginx"
prog=$(basename $nginx)

NGINX_CONF_FILE="/user/share/nginx/conf/nginx.conf"

[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx

lockfile=/var/lock/nginx.lock

start() {
    [ -x $nginx ] || exit 5
    [ -f $NGINX_CONF_FILE ] || exit 6
    echo -n $"Starting $prog: "
    daemon $nginx -c $NGINX_CONF_FILE
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}

stop() {
    echo -n $"Stopping $prog: "
    killproc $prog -QUIT
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

restart() {
    configtest || return $?
    stop
    sleep 1
    start
}

reload() {
    configtest || return $?
    echo -n $"Reloading $prog: "
    killproc $nginx -HUP
    RETVAL=$?
    echo
}

force_reload() {
    restart
}

configtest() {
  $nginx -t -c $NGINX_CONF_FILE
}

rh_status() {
    status $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}

case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart|configtest)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
            ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"
        exit 2
esac

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