upgrade-nginx.sh

#!/usr/bin/env bash

OPENSSL_VERSION="openssl-1.1.0h"
# wget http://nginx.org/download/nginx-1.13.12.tar.gz .
NGINX_VERSION="nginx-1.13.12"

# 旧版的 nginx 路径
OLD_NGINX_PATH="${HOME}/nginx/nginx-1.2.2"

BASE_DIR="${HOME}/nginx"
NGINX_PATH=${BASE_DIR}/${NGINX_VERSION}


function prepare(){
	sudo apt-get update -y
	sudo apt-get install libpcre3-dev libssl-dev perl make build-essential curl wget -y
	mkdir -p ${NGINX_PATH} ${OPENSSL_PATH}
}

function actionSSL(){
	cd ${BASE_DIR}
	if [ ! -f "${BASE_DIR}/${OPENSSL_VERSION}.tar.gz" ]; then
		wget https://www.openssl.org/source/${OPENSSL_VERSION}.tar.gz
	fi

	if [ ! -d "${BASE_DIR}/${OPENSSL_VERSION}-src" ];then
		tar -xvf ${OPENSSL_VERSION}.tar.gz
		mv ${OPENSSL_VERSION} ${OPENSSL_VERSION}-src
	fi

	cd ${OPENSSL_VERSION}-src
	./config --prefix=${HOME}/nginx/${OPENSSL_VERSION} && make -j8 && echo "compile openSSL ok..."
}

function actionNginx(){
	cd ${BASE_DIR}

	if [ ! -f "${OPENSSL_VERSION}.tar.gz" ];then
		echo "openssl not found !!"
		exit 1
	fi

	if [ ! -f "${BASE_DIR}/${NGINX_VERSION}.tar.gz" ]; then
		wget http://nginx.org/download/${NGINX_VERSION}.tar.gz
	fi

	if [ ! -d "${BASE_DIR}/${NGINX_VERSION}-src" ]; then
		tar -xvf ${NGINX_VERSION}.tar.gz
		mv ${NGINX_VERSION} ${NGINX_VERSION}-src
	fi

	cd ${NGINX_VERSION}-src

	./configure --prefix="${OLD_NGINX_PATH}" --with-http_stub_status_module --with-http_ssl_module --with-http_realip_module --with-http_v2_module --with-openssl="${BASE_DIR}/${OPENSSL_VERSION}-src"
	make -j8
}

function autoUpgrade(){
	cd ${BASE_DIR}
	cp "${OLD_NGINX_PATH}/sbin/nginx" "${OLD_NGINX_PATH}/sbin/nginx.orinal.bak"
	rm "${OLD_NGINX_PATH}/sbin/nginx"
	echo "backup nginx bin ok..."
	cp "${NGINX_VERSION}-src/objs/nginx" "${OLD_NGINX_PATH}/sbin/nginx"
	sudo kill -USR2 `cat ${OLD_NGINX_PATH}/logs/nginx.pid`  && echo "kill -USR2 command status: $?"
	sudo kill -WINCH `cat ${OLD_NGINX_PATH}/logs/nginx.pid.oldbin` && echo "kill -WINCH command status: $?"
	sleep 10
	sudo kill -QUIT `cat ${OLD_NGINX_PATH}/logs/nginx.pid.oldbin` && echo "kill -QUIT command status: $?"
}


function main(){
	prepare
	actionSSL
	actionNginx
	echo "---------------------^_^ OK...---------------------"
	autoUpgrade
}

main