Control Plane Failure

ㅁ Check Node Status

kubectl get nodes

 

kubectl get pods

 

ㅁ Check Controlplane Pods

kubectl get pods -n kube-system

 

 

service kube-apiserver status

 

 

service kube-controller-manager status

 

 

service kube-scheduler status

 

 

service kubelet status

 

 

service kube-proxy status

 

ㅁ Check Service Logs

kubectl logs kube-apiserver-master -n kube-system

 

 

sudo journalctl -u kube-apiserver

 

https://kubernetes.io/docs/tasks/debug-application-cluster/debug-cluster 

Troubleshoot Clusters