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title id date full_link short_description aka tags
Controller controller 2018-04-12 /docs/admin/kube-controller-manager/ A control loop that watches the shared state of the cluster through the apiserver and makes changes attempting to move the current state towards the desired state.
architecture
fundamental

A control loop that watches the shared state of the cluster through the {{< glossary_tooltip text="apiserver" term_id="kube-apiserver" >}} and makes changes attempting to move the current state towards the desired state.

Examples of controllers that ship with Kubernetes today are the replication controller, endpoints controller, namespace controller, and serviceaccounts controller.