安装 memcached
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yum install -y memcached#启动memcached服务，端口11211，以nobody身份启动，-d后台模式运行memcached -p11211 -u nobody -d#将自己的IP设为灰度测试的IPtelnet 127.0.0.1 11211set 119.32.216.122 0 0 11quit |
安装 memcached for lua
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wget https://github.com/openresty/lua-resty-memcached/archive/v0.11.tar.gztar -zxvf v0.11.tar.gzmkdir -p /usr/local/share/lua/5.1cp -r lua-resty-memcached-0.11/lib/resty /usr/local/share/lua/5.1 |
创建 test.lua 文件
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clientIP=ngx.req.get_headers()["X-Real-IP"]if clientIP == nil then clientIP=ngx.req.get_headers()["x_forwarded_for"]endif clientIP == nil then clientIP=ngx.var.remote_addrend local memcached=require "resty.memcached" local memc,err=memcached:new() if not memc then ngx.say("failed to instantiate memc:",err) return end local ok,err =memc:connect("127.0.0.1",11211) if not ok then ngx.say("failed to connect:",err) return end local res,flags,err =memc:get(clientIP) --ngx.say("value key: ",res,clientIP) if err then ngx.say("failed to get clientIP",err) return end if res == "1" then ngx.exec("@server_test") return end ngx.exec("@server_product") |
nginx配置
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server { listen 8867; server_name www.siguoya.name; root /usr/local/nginx/1.12.1/html; location / { content_by_lua_file /etc/nginx/test.lua; } location /hello { default_type text/plain; content_by_lua 'ngx.say("hello lua")'; } location /ua { default_type text/plain; content_by_lua ' clientIP=ngx.req.get_headers()["USER-AGENT"] ngx.say("IP:",clientIP) '; } location @server_product { default_type text/plain; return 200 'product'; } location @server_test { default_type text/plain; return 200 'test'; }} |
由于我们将 119.32.216.122 这个IP添加进了memcached中，因此访问 http://www.siguoya.name:8867/ 的时候，看到的内容就是 test
而开启全局代理之后，发现看到的内容就是 product，这样就实现了针对部分用户进行灰度测试的效果
到此这篇关于Nginx与Lua灰度发布的实现的文章就介绍到这了,更多相关Nginx与Lua灰度发布内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
原文链接：https://segmentfault.com/a/1190000022194409
