Pods 之间的 AKS 内部通信不工作

Question

最近我通过 Terraform 创建了私有 AKS，一切正常，同一个命名空间中的两个 pods 怎么可能无法相互通信？

AKS 版本= 1.19.11 coredns:1.6.6

# kubectl get svc
NAME         TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)   AGE
kubernetes   ClusterIP   10.0.0.1     <none>        443/TCP   5d18h

已使用以下资源创建集群：

Network type (plugin)=Kubenet
Pod CIDR=10.x.x.x/16
Service CIDR=10.x.x.0/16
DNS service IP=10.x.x.10
Docker bridge CIDR=172.x.x.1/16
Network Policy=Calico

Ping 响应：

/ # ping 10.x.x.89
PING 10.x.x.89 (10.x.x.89): 56 data bytes
^C
--- 10.x.x.89 ping statistics ---
25 packets transmitted, 0 packets received, 100% packet loss
/ # ping 10.0.0.1
PING 10.0.0.1 (10.0.0.1): 56 data bytes
64 bytes from 10.0.0.1: seq=0 ttl=241 time=27.840 ms
64 bytes from 10.0.0.1: seq=1 ttl=241 time=28.790 ms
64 bytes from 10.0.0.1: seq=2 ttl=241 time=28.725 ms
^C
--- 10.0.0.1 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 27.840/28.451/28.790 ms
/ # ping kubernetes
ping: bad address 'kubernetes'
/ # nslookup kubernetes
nslookup: can't resolve '(null)': Name does not resolve

nslookup: can't resolve 'kubernetes': Name does not resolve
/ #

Answer 1

网络政策是问题所在 kubectl get netpol -n 命名空间

Pods 之间的 AKS 内部通信不工作

AKS Inter communication between Pods not working

containers

calico

kubernetes

coredns

azure-aks