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yaoweibin / ngx_http_dyups_module

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developing

TODO:

  1. 完善输入指令合法性验证，现在只支持upstream的server配置ip，否则dns解析将会阻塞

  2. ip hash选择server算法支持

  3. 权重,重试失败次数等属性更新支持 done

  4. 健康检查模块支持

Config Example

daemon off;
error_log logs/error.log debug;

events {
}

http
{

    upstream host1 {
        server 127.0.0.1:8088;
    }
    
    upstream host2 {
        server 127.0.0.1:8089;
    }

    server {
        listen   8080;

        location / {
            proxy_pass http://$host;
        }
    }

    server {
        listen 8088;
        location / {
            echo 8088;
        }
    }

    server {
        listen 8089;
        location / {
            echo 8089;    
        }
    }

    server {
        listen 8081;
        location / {
            dyups_interface;
        }
    }
}

STATUS [method] GET

  • /detail 返回所有upstream和server
  • /list 返回所有upstream列表
  • /upstream/name 返回当前upstream的server信息

ADD [method] POST

  • /upstream/name
  • [body] server ip:port

DELETE [method] DELETE

  • /upstream/name

Example

» curl -H "host: dyhost" 127.0.0.1:8080
<html>
<head><title>502 Bad Gateway</title></head>
<body bgcolor="white">
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx/1.3.13</center>
</body>
</html>

» curl -d "server 127.0.0.1:8089;server 127.0.0.1:8088;" 127.0.0.1:8081/upstream/dyhost
success

» curl -H "host: dyhost" 127.0.0.1:8080
8089

» curl -H "host: dyhost" 127.0.0.1:8080
8088

» curl 127.0.0.1:8081/detail
host1
server 127.0.0.1:8088

host2
server 127.0.0.1:8089

dyhost
server 127.0.0.1:8089
server 127.0.0.1:8088

» curl -i -X DELETE 127.0.0.1:8081/upstream/dyhost
success

» curl 127.0.0.1:8081/detail
host1
server 127.0.0.1:8088

host2
server 127.0.0.1:8089

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