lua-resty-redis

https://github.com/openresty/lua-resty-redis

配置

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

    server {
        listen       3000;
        server_name  localhost;

        location / {
            root   html;
            index  index.html index.htm;
        }

        location /lua {
            default_type text/html;
            content_by_lua_file conf/lua/redis.lua;
        }
    }
}

redis.lua

local redis = require "resty.redis"
local red = redis:new()

red:set_timeouts(1000, 1000, 1000) -- 1 sec

-- or connect to a unix domain socket file listened
-- by a redis server:
--     local ok, err = red:connect("unix:/path/to/redis.sock")

-- connect via ip address directly
local ok, err = red:connect("127.0.0.1", 6379)

if not ok then
    ngx.say("failed to connect: ", err)
    return
end

ok, err = red:set("dog", "an animal")
if not ok then
    ngx.say("failed to set dog: ", err)
    return
end

ngx.say("set result: ", ok)

local res, err = red: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)

redis-cluster

https://github.com/steve0511/resty-redis-cluster