lua-nginx-logging

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lua-nginx-logging

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logging utilities for nginx written in lua

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Name
====

lua-nginx-logging - logging utilities for nginx written in lua

Table of Contents
=================

* [Name](#name)
* [Status](#status)
* [Description](#description)
* [Synopsis](#synopsis)
* [Limitations](#limitations)
* [Installation](#installation)
* [TODO](#todo)
* [Author](#author)
* [Copyright and License](#copyright-and-license)
* [See Also](#see-also)

Status
======

This library is still under early development and considered experimental.

Description
===========

This Lua library is a logging utility for the ngx_lua nginx module:

Synopsis
========

```
    lua_package_path "/path/to/lua-nginx-logging/lib/?.lua;;";
    
    server {
    
        location /logging/health/ {
            add_header Access-Control-Allow-Origin *;
            content_by_lua '
                local cjson  = require "cjson"
                local logging = require("logging")
                if logging and cjson then
                    ngx.say("healthy\n")
                    return ngx.exit(ngx.OK)
                end
            ';
        }
        
        location /logging/response/summary/(?<response_format>[\S]+)? {
            add_header Access-Control-Allow-Origin *;
            content_by_lua '
                local logging = require("logging")
                local response = logging.get_response_summary(ngx.shared.log_dict)
                return response
            ';
        }
        
        log_by_lua '
            local logging = require("logging")
            local request_time = ngx.now() - ngx.req.start_time()
            logging.log_response_time(ngx.shared.log_dict, request_time)
       ';
        
    }
```