安装 Lua 和 Lua for nginx
#安装lua
yum install -y lua
lua -v
安装更高效的 Lua 语言解释器 LuaJIT
wget http://luajit.org/download/LuaJIT-2.0.2.tar.gz
tar -zxvf LuaJIT-2.0.2.tar.gz
cd LuaJIT-2.0.2
make install PREFIX=/usr/local/LuaJIT/2.0.2
export LUAJIT_LIB=/usr/local/LuaJIT/2.0.2/lib
export LUAJIT_INC=/usr/local/LuaJIT/2.0.2/include/luajit-2.0
echo "/usr/local/LuaJIT/2.0.2/lib" >> /etc/ld.so.conf
ldconfig
安装 ngx_devel_kit 和 lua-nginx-module
wget https://github.com/simpl/ngx_devel_kit/archive/v0.3.0.tar.gz https://github.com/openresty/lua-nginx-module/archive/v0.10.9rc7.tar.gz
tar -zxvf v0.10.9rc7.tar.gz
tar -zxvf v0.3.0.tar.gz
#先make clean，然后在原有的nginx ./configure基础上，添加新的模块
#如果出现undefined reference to `X509_check_host'错误，需要添加--with-openssl选项，指向openssl 1.0.2安装包源码所在的目录。
./configure --add-module=/path/to/ngx_devel_kit-0.3.0 --add-module=/path/to/lua-nginx-module-0.10.9rc7
--with-openssl=/path/to/openssl-1.0.2k
make && make install
使用nginx日志输出 request 或 response 数据
https://www.hardill.me.uk/wordpress/2018/03/14/logging-requests-and-response-with-nginx/
Nginx调用lua
| 指令 |
说明 |
| set_by_lua, set_by_lua_file |
设置Nginx变量 |
| access_by_llua, access_by_lua_file |
访问控制 |
| content_by_lua, content_by_lua_file |
接收请求，输出响应 |
Lua调用Nginx
| 变量 |
说明 |
| ngx.var |
nginx变量 |
| ngx.req.get_headers |
获取请求头 |
| ngx.req.get_uri_args |
获取请求参数 |
| ngx.redirect |
重定向 |
| ngx.print |
输出内容 |
| ngx.say |
同ngx.print，会多一个换行符 |
| ngx.header |
输出响应头 |
| ... |
... |
专题阅读
