Another way to build nginx_lua environment

Use the integration package provided by Daniel ZhangYichun (http://openresty.org/) for quick installation.

It’s very simple, download ngx_openresty, the integration package includes: Nginx, Lua or Luajit, ngx_lua, and some useful Nginx third-party modules.

For example:

nginx’s third-party module redis. This package is essentially a .lua file, which is a library file that provides some interfaces for accessing redis:

Download it:

git clone https:// github.com/agentzh/lua-resty-redis.git

Copy:

In this package, there is a Lib directory. Copy the files and subdirectories in the Lib directory to the directory configured by lua_package_path above (here is /data /nginx-1.4.2/)

Write a simple lua program to connect to redis and get the content inside:

For example: write a test_redis.lua and put it under /data0/nginx-1.4.2/lua/

local redis = require "resty.redis"
local cache = redis.new()
local ok, err = cache.connect(cache, '127.0.0.1', '6379')
cache:set_timeout(60000)
if not ok then
    ngx.say("failed to connect:", err)
	return
end


res, err = cache:set("dog", "an aniaml")
if not ok then
    ngx.say("failed to set dog: ", err)
    return
end
ngx.say("set result: ", res)


local res, err = cache:get("dog")
if not res then
	ngx.say("failed to get dog: ", err)
	return
end


if res == ngx.null then
    ngx.say("dog not found.")
    return
end
ngx.say("dog: ", res)


local ok, err = cache:close()
if not ok then
        ngx.say("failed to close:", err)
        return
end

Configure the corresponding access location in nginx.conf:
location /test_redis {
content_by_lua_file lua/test_redis.lua;
}
[root@localhost conf]# curl http://localhost/test_redis
set result: OK
dog: an aniaml

The above introduces another method of setting up the nginx_lua environment, including the relevant aspects. I hope it will be helpful to friends who are interested in PHP tutorials.