12CONTAINER RUNTIME

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In the previous chapter, we saw how the control plane manages and monitors the state of the cluster. However, it is the container runtime, especially the kubelet service, that creates, starts, stops, and deletes containers to actually bring the cluster to the desired state. In this chapter, we’ll explore how kubelet is configured in our cluster and how it operates.

As part of this exploration, we’ll address how kubelet manages to host the control plane while also being dependent on it. Finally, we’ll look at node maintenance in a Kubernetes cluster, including how to shut down a node for maintenance, issues that can prevent ...

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