require-kubeconfig is depricated since k8s v1.8

roles/kubernetes/node/templates/kubelet.standard.env.j2

@@ -45,7 +45,11 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
 {% set kubelet_args_dns %}{{ kubelet_args_cluster_dns }} --cluster-domain={{ dns_domain }} --resolv-conf={{ kube_resolv_conf }}{% endset %}
 
 {# Location of the apiserver #}
+{% if kube_version | version_compare('v1.8', '<') %}
 {% set kubelet_args_kubeconfig %}--kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml --require-kubeconfig{% endset %}
+{% else %}
+{% set kubelet_args_kubeconfig %}--kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml{% endset %}
+{% endif %}
 
 {% if standalone_kubelet|bool %}
 {# We are on a master-only host. Make the master unschedulable in this case. #}