[root@k8s-node-01 traefix-ingress]# kubectl describe ingress ingress-test  -n ingress-nginx
Name:             ingress-test
Namespace:        ingress-nginx
Address:
Default backend:  default-http-backend:80 (<error: endpoints "default-http-backend" not found>)
Rules:
  Host             Path  Backends
  ----             ----  --------
  org.ingress.com
                   /   nginx-service-nodeport:80 (10.244.0.249:80,10.244.0.250:80)
Annotations:       kubernetes.io/ingress.class: nginx
                   nginx.ingress.kubernetes.io/use-regex: true
Events:
  Type    Reason  Age    From                      Message
  ----    ------  ----   ----                      -------
  Normal  Sync    9m42s  nginx-ingress-controller  Scheduled for sync
[root@k8s-node-01 traefix-ingress]#

########## 未成功 ###########

https://stackoverflow.com/questions/63558461/endpoints-default-http-backend-not-found-in-ingress-resource

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: default-backend-ingress-example
spec:
  defaultBackend:
    service:
      name: hotel-svc
      port:
        number: 80

########## 继续尝试这个方法 ###########

---->>>>> https://forum.linuxfoundation.org/discussion/858210/lab-7-2