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DevOps & Automation · Foundational

Control Plane

The Kubernetes components that manage cluster state: kube-apiserver, etcd, kube-scheduler, kube-controller-manager, and cloud-controller-manager.

Definition

The control plane makes global decisions and responds to events. For high availability it runs on multiple nodes with an etcd quorum. In managed services, the provider operates it.

Example

kubectl get pods -n kube-system shows static control plane pods in a kubeadm cluster.

Exam tip

Worker nodes run kubelet, kube-proxy, and the container runtime; everything else is control plane.

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