主机的 Kubernetes 入口白名单 IP

Question

How can I whitelist IP addresses for different hosts, but for the same path?

example.com - should be without whitelist. All others must be whitelisted.

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: nginx
spec:
  rules:
  - host: login.example.com
    http:
      paths:
      - backend:
          serviceName: login
          servicePort: 4444
        path: /
  - host: admin.example.com
    http:
      paths:
      - backend:
          serviceName: admin
          servicePort: 3333
        path: /
  - host: api.example.com
    http:
      paths:
      - backend:
          serviceName: api
          servicePort: 2222
        path: /
  - host: example.com
    http:
      paths:
      - backend:
          serviceName: wp
          servicePort: 1111
        path: /

Answer 1

注释：nginx.ingress.kubernetes.io/whitelist-source-range：“1.1.1.1/24”

Answer 2

Basically @ANISH gave you a good idea about nginx.ingress.kubernetes.io/whitelist-source-range , where you can start.

You can specify allowed client IP source ranges through the nginx.ingress.kubernetes.io/whitelist-source-range annotation. The value is a comma separated list of CIDRs, eg 10.0.0.0/24,172.10.0.1.

To configure this setting globally for all Ingress rules, the whitelist-source-range value may be set in the NGINX ConfigMap.

However, if you dont want to apply it to all your ingress rules - just create 2 separate ingresses. 1 for whitelisted hosts and second for your example.com host