An AKS Cluster's Kubelet should rotate server certificates automatically

azure.kubernetes
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Description

Server certificates should be rotated. This ensures there is no downtime due to expired certificates.

Remediation

Choose one of the following remediation methods. For both methods, a restart of the Kubelet service is required.

Kubelet config file

  1. Add the following JSON to the feature gates section of the /etc/kubernetes/kubelet/kubelet-config.json file.
"RotateKubeletServerCertificate": true

Executable arguments

--rotate-kubelet-server-certificate=true