您好,在安装的过程中是自行准备ingress么?

[root@kube-master1 c7nctl-0.20.0]# kubectl logs -f c7n-slaver-47htk -n c7n-system
2020/03/05 03:51:40 [INFO] server starting on :9000
2020/03/05 03:52:34 [INFO] socket checking postgresql-postgresql:5432
2020/03/05 03:52:34 [INFO] Connection error: dial tcp 166.166.123.161:5432: getsockopt: connection refused
2020/03/05 03:52:44 [INFO] socket checking postgresql-postgresql:5432
2020/03/05 03:52:44 [INFO] POST: http://195.168.9.64:9000/c7n/acme-challenge
2020/03/05 03:52:44 [INFO] add domain map: gitlab.ume.choerodon.io => 4Y32YsoRdmXFv72URGK2Q81r5R
2020/03/05 03:52:44 [INFO] POST: http://195.168.233.192:9000/c7n/acme-challenge
2020/03/05 03:52:44 [INFO] POST: http://195.168.119.129:9000/c7n/acme-challenge
2020/03/05 03:52:44 [INFO] POST: http://195.168.169.65:9000/c7n/acme-challenge
2020/03/05 03:52:44 [INFO] POST: http://195.168.102.64:9000/c7n/acme-challenge
2020/03/05 03:52:44 [INFO] POST: http://195.168.53.192:9000/c7n/acme-challenge
2020/03/05 03:52:44 [INFO] POST: http://195.168.195.1:9000/c7n/acme-challenge
2020/03/05 03:52:44 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:46 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:48 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:50 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:52 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:54 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:56 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:52:58 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:53:00 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:53:02 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:53:04 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp 10.221.8.61:80: getsockopt: connection refused
2020/03/05 03:53:06 [Error] Get http://gitlab.ume.choerodon.io/c7n/acme-challenge: dial tcp

https://choerodon.io/zh/docs/installation-configuration/steps/dns/

我现在有自己部署的集群外的dns服务器,在kubernetes中的coredns中也指向了那台dns服务器,域名都可以解析到了,但是安装过程中还是报错…