Nginx config for InfluxDB HA

influxdb.conf

http {
  client_max_body_size 20M;

  upstream influxdb {
    server server1:8086;
    server server2:8086;
  }
  upstream relay {
    server server1:9096;
    server server2:9096;
  }

  server {
    listen 7076;
    location /query {
      limit_except GET {
        deny all;
      }
      proxy_pass http://influxdb;
    }
    location /write {
      limit_except POST {
        deny all;
      }
      proxy_pass http://relay;
    }
  }
}


stream {
  upstream test {
    server server1:8003;
    server server2:8003;
  }

  server {
    listen 7003 udp;
    proxy_pass test;
    proxy_timeout 1s;
    proxy_responses 1;
  }
}

You should use a version of Nginx that has been compiled with the stream module. Just use the mainline branch of Nginx, it comes with the stream module.