--- apiVersion: kubeadm.k8s.io/v1beta4 kind: ClusterConfiguration caCertificateValidityPeriod: 87600h0m0s certificateValidityPeriod: 87600h0m0s clusterName: {{ k8s_clusterName }} controlPlaneEndpoint: {{ k8s_clusterApi }} networking: podSubnet: {{ k8s_podSubnet }} dnsDomain: {{ k8s_dnsDomain }}