Nginx与Lua灰度发布的实现

时间:2022-09-09 22:44:20

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IP
telnet 127.0.0.1 11211
set 119.32.216.122 0 0 1
1
quit

安装 memcached for lua

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wget https://github.com/openresty/lua-resty-memcached/archive/v0.11.tar.gz
tar -zxvf v0.11.tar.gz
mkdir -p /usr/local/share/lua/5.1
cp -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"]
end
if clientIP == nil then
  clientIP=ngx.var.remote_addr
end
  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NginxLua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