021_nginx动态upstream检查

upstream anubis.web.base_backend {
    server bj-base-1.jyall.me:9000; 
    server bj-base-2.jyall.me:9000; 
    keepalive 512;
    check interval=1000 rise=2 fall=2 timeout=3000 type=http;
    check_http_send "HEAD / HTTP/1.1\r\nConnection: keep-alive\r\n\r\n";  
    check_http_expect_alive http_2xx http_3xx http_4xx;
}

curl -d " 
    server bj-base-1.jyall.me:9000; 
    server bj-base-2.jyall.me:9000; 

    keepalive 512;

    check interval=1000 fall=3 rise=2 timeout=3000 default_down=false type=http;
    check_http_send 'GET / HTTP/1.1\r\nConnection: keep-alive\r\nHost: open-anubis.ele.me\r\n\r\n';   #替代的配置check_keepalive_requests 100;
    check_http_expect_alive http_2xx http_3xx http_4xx;

" 127.0.0.1:8866/upstream/open.jyall.me.web.base_backend

返回"success"=>表示ok的

curl 127.0.0.1:8866/up_status


4open.jyall.me.web.base_backend 

11.200.58.236:9000 up 215515 0 
http 0   

5 open.jyall.me.web.base_backend 
11.200.62.77:9000 
up 

215283 0 http 0