lua-resty-cache-purge

A Lua module for dynamically purging cache in Nginx, with support for custom cache paths and levels.

Installation

To install this module, you can use the OpenResty Package Manager (opm):

    opm get iakuf/lua-resty-cache-purge
    

Usage

Nginx Configuration

Add the following configuration to your nginx.conf file:

    http {
        lua_package_path "/path/to/lib/?.lua;;";
    
        server {
            listen 80;
            server_name example.com;
    
            location /purge {
                content_by_lua_block {
                    local cache_purge = require "resty.cache_purge"
                    cache_purge.set_cache_path("/cache/nginx/steamCache/depot") -- Set cache path
                    cache_purge.set_levels(2, 2)  -- Set cache levels
                    cache_purge.purge_cache(ngx.var.arg_key)
                }
            }
        }
    }
    

Purge Cache Request

To purge the cache, make a request like this:

    curl -sv http://127.0.0.1:8083/purge?key=http/depot/394360/chunk/763094ad824fac2c4ac7d912474533eeee075dfc
    
    

API

set_cache_path(path) Set the base path for the cache.

set_levels(level1, level2) Set the directory levels for the cache.

purge_cache(key) Purge the cache for the given key

License

MIT