#!/bin/bash
#write by showyang

# 创建www用户
if ! id -u www &>/dev/null; then
    useradd -r -s /sbin/nologin www
fi

# 安装依赖包
yum install -y gcc pcre-devel openssl-devel zlib-devel

# 检查文件是否存在
packages=(nginx-1.18.0.tar.gz LuaJIT-2.1.0-beta2.tar.gz nginx_upstream_check_module-master.zip v0.3.0.tar.gz master.tar.gz v0.10.13.tar.gz)
missing_packages=()
for package in "${packages[@]}"; do
    if [ ! -f "/usr/local/src/$package" ]; then
        missing_packages+=("$package")
    fi
done

# 如果有缺失的包，则输出提示信息
if [ ${#missing_packages[@]} -gt 0 ]; then
    echo "Missing packages:"
    printf '%s\n' "${missing_packages[@]}"
    exit 1
fi

# 解压缩文件
cd /usr/local/src/
for package in "${packages[@]}"; do
    if [[ $package == *.tar.gz ]]; then
        tar -zxvf "$package"
    elif [[ $package == *.zip ]]; then
        unzip "$package"
    fi
done

# 安装 LuaJIT
cd /usr/local/src/LuaJIT-2.1.0-beta2
make PREFIX=/usr/local/luajit
make install PREFIX=/usr/local/luajit
ln -sf luajit-2.1.0-beta2 /usr/local/luajit/bin/luajit

# 修改系统环境变量
echo 'export LUAJIT_LIB=/usr/local/luajit/lib' >> /etc/profile
echo 'export LUAJIT_INC=/usr/local/luajit/include/luajit-2.1' >> /etc/profile
source /etc/profile

# 添加 LuaJIT 库路径到 ld.so.conf
echo '/usr/local/lib' >> /etc/ld.so.conf
echo '/usr/local/luajit/lib' >> /etc/ld.so.conf
ldconfig

# 编译和安装 nginx
cd /usr/local/src/nginx-1.18.0/
./configure --prefix=/usr/local/nginx \
--sbin-path=/usr/local/nginx/sbin/nginx \
--conf-path=/usr/local/nginx/conf/nginx.conf \
--error-log-path=/usr/local/nginx/logs/nginx/error.log \
--http-log-path=/usr/local/nginx/logs/nginx/access.log \
--pid-path=/usr/local/nginx/var/nginx.pid \
--lock-path=/usr/local/nginx/var/nginx.lock \
--http-client-body-temp-path=/usr/local/nginx/nginx_temp/client_body \
--http-proxy-temp-path=/usr/local/nginx/nginx_temp/proxy \
--http-fastcgi-temp-path=/usr/local/nginx/nginx_temp/fastcgi \
--user=www \
--group=www \
--with-cpu-opt=pentium4F \
--without-select_module \
--without-poll_module \
--with-http_ssl_module \
--with-http_v2_module \
--with-http_realip_module \
--with-http_sub_module \
--with-http_stub_status_module \
--without-http_ssi_module \
--without-http_userid_module \
--with-http_gzip_static_module \
--with-pcre \
--with-stream \
--with-stream_ssl_module \
--without-http_geo_module \
--with-stream_realip_module \
--without-mail_pop3_module \
--without-mail_imap_module \
--without-mail_smtp_module \
--with-http_ssl_module \
--add-module=/usr/local/src/nginx-goodies-nginx-sticky-module-ng-08a395c66e42 \
--add-module=/usr/local/src/nginx_upstream_check_module-master \
--add-module=/usr/local/src/ngx_devel_kit-0.3.0 \
--add-module=/usr/local/src/lua-nginx-module-0.10.13

# 编译 nginx
make
make install

# 创建依赖的temp文件夹
mkdir -pv /usr/local/nginx/nginx_temp/


cat >/usr/lib/systemd/system/nginx.service <<EOF
[Unit]
# 描述服务                                                                                     
Description=nginx - high performance web server  
# 描述服务类别            
After=network.target remote-fs.target nss-lookup.target   
 
# 服务的一些具体运行参数的设置 
[Service]                                                                                 
# 后台运行的形式
Type=forking
# PID文件的路径                                                                         
PIDFile=/usr/local/nginx/var/nginx.pid 
# 启动准备                              
ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
# 启动命令   
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
# 重启命令           
ExecReload=/usr/local/nginx/sbin/nginx -s reload
# 停止命令                                                 
ExecStop=/usr/local/nginx/sbin/nginx -s stop        
# 快速停止                                               
ExecQuit=/usr/local/nginx/sbin/nginx -s quit
# 给服务分配临时空间                         
PrivateTmp=true                                                         
 
# 服务用户的模式 
[Install]
WantedBy=multi-user.target
EOF

systemctl enable nginx
systemctl start nginx
systemctl status nginx
rm -rf $0 >> /dev/null