Question:
I am learning AWS EKS now and I want to know how to access etcd, kube-apiserver and other control plane components?
For example, when we run command as below in minikube, we can find etcd-minikube,kube-apiserver-minikube
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[vagrant@localhost ~]$ kubectl get pods --all-namespaces NAMESPACE NAME READY STATUS RESTARTS AGE kube-system coredns-6955765f44-lrt6z 1/1 Running 0 176d kube-system coredns-6955765f44-xbtc2 1/1 Running 1 176d kube-system etcd-minikube 1/1 Running 1 176d kube-system kube-addon-manager-minikube 1/1 Running 1 176d kube-system kube-apiserver-minikube 1/1 Running 1 176d kube-system kube-controller-manager-minikube 1/1 Running 1 176d kube-system kube-proxy-69mqp 1/1 Running 1 176d kube-system kube-scheduler-minikube 1/1 Running 1 176d kube-system storage-provisioner 1/1 Running 2 176d |
And then, we can access them by below command:
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[vagrant@localhost ~]$ kubectl exec -it -n kube-system kube-apiserver-minikube -- /bin/sh # kube-apiserver W0715 13:56:17.176154 21 services.go:37] No CIDR for service cluster IPs specified. ... |
My question: I want to do something like the above example in AWS EKS, but I cannot find kube-apiserver
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xiaojie@ubuntu:~/environment/calico_resources$ kubectl get pods --all-namespaces NAMESPACE NAME READY STATUS RESTARTS AGE kube-system aws-node-flv95 1/1 Running 0 23h kube-system aws-node-kpkv9 1/1 Running 0 23h kube-system aws-node-rxztq 1/1 Running 0 23h kube-system coredns-cdd78ff87-bjnmg 1/1 Running 0 23h kube-system coredns-cdd78ff87-f7rl4 1/1 Running 0 23h kube-system kube-proxy-5wv5m 1/1 Running 0 23h kube-system kube-proxy-6846w 1/1 Running 0 23h kube-system kube-proxy-9rbk4 1/1 Running 0 23h |
Answer:
AWS EKS is a managed kubernetes offering. Kubernetes control plane components such as API Server, ETCD are installed, managed and upgraded by AWS. Hence you can neither see these components nor can exec into these components.
In AWS EKS you can only play with the worker nodes