在我的Kubernetes环境中,我无法ping其他pod中的pod . Pods cannot access services, either. 看起来存在配置问题 . Pod到pod和pod服务通信失败 .
我按照CoreOS Kubernetes手动步骤安装了kubernetes环境(没有安装Calico) . https://coreos.com/kubernetes/docs/1.6.1/getting-started.html
你有什么建议如何调查这个问题?
Additional Information ----------------------------
创建的服务:
system # /home/core/kubernetes/kubectl get services -o wide
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
kubernetes 10.3.0.1 <none> 443/TCP 35d <none>
upper-rest 10.3.0.195 <nodes> 5000:32001/TCP 12h app=upper-rest
荚:
system # /home/core/kubernetes/kubectl get pods -o wide
NAME READY STATUS RESTARTS AGE IP NODE
upper-rest-4004779333-h7fc2 1/1 Running 0 12h 10.2.58.4 10.201.101.238
upper-rest-4004779333-j444t 1/1 Running 0 12h 10.2.44.2 10.201.101.236
如果我ping服务,我没有结果
system # ping 10.3.0.195
PING 10.3.0.195 (10.3.0.195) 56(84) bytes of data.
^C
--- 10.3.0.195 ping statistics ---
24 packets transmitted, 0 received, 100% packet loss, time 23555ms
类似地,当我在pod中运行ping来访问服务或其他pod的IP时,再次没有回复 .
system # /home/core/kubernetes/kubectl exec upper-rest-4004779333-h7fc2 -- ping 10.3.0.195
PING 10.3.0.195 (10.3.0.195): 56 data bytes
^C
system # /home/core/kubernetes/kubectl exec upper-rest-4004779333-h7fc2 -- ping 10.2.44.2
PING 10.2.44.2 (10.2.44.2): 56 data bytes
^C
1 回答
我没有足够的声誉来添加评论,我认为你的iptables是旧记录,也许你已经重置你的k8s .
我建议您可以重置所有群集,包括docker,并清除iptable和ip链接
和
试试这个,
祝好运