CKA易错题整理：五、配置⽹络策略 NetworkPolicy

参考文档：https://kubernetes.io/zh-cn/docs/concepts/services-networking/network-policies/#networkpolicy-resource

官方截图： 三个from 代表三个策略的叠加

考题要求：

错误示范：

正确示范

点击查看 yaml 文件

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-port-from-namespace
  namespace: fubar
spec:
  podSelector:
    matchLabels: {}
  policyTypes:
    - Ingress
  ingress:
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: corp-net
          podSelector:
            matchLabels: {}

      ports:
        - protocol: TCP
          port: 8080