Kubelet should use TLS certificate client authentication
Set up the kubernetes integration.
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Description
Kubelet authentication should use certificates. The connections from the API server to the kubelet are used for fetching logs for pods, attaching (through kubectl) to running pods, and using the kubelet’s port-forwarding functionality. These connections terminate at the kubelet’s HTTPS endpoint.
- If using a Kubelet config file, edit the file to set
authentication: x509: clientCAFile
to the location of the client CA file. - If using command line arguments, edit the kubelet service file
/etc/systemd/system/kubelet.service.d/10-kubeadm.conf
on each worker node and set the below parameter in the KUBELET_AUTHZ_ARGS
variable.
--client-ca-file=<path/to/client-ca-file>
- Restart the kubelet service.