kubespray/roles/kubernetes/node/templates/kubelet.j2

[Service]
Environment="KUBE_LOGTOSTDERR=--logtostderr=true"
Environment="KUBE_LOG_LEVEL=--v=0"
Environment="KUBE_ALLOW_PRIV=--allow_privileged=true"
Environment="KUBE_MASTER=--master=https://{{ groups['kube-master'][0] }}:{{ kube_master_port }}"
# The address for the info server to serve on (set to 0.0.0.0 or "" for all interfaces)
Environment="KUBELET_ADDRESS=--address=0.0.0.0"
# The port for the info server to serve on
# Environment="KUBELET_PORT=--port=10250"
# You may leave this blank to use the actual hostname
Environment="KUBELET_HOSTNAME=--hostname_override={{ inventory_hostname }}"
# location of the api-server
Environment="KUBELET_API_SERVER=--api_servers=https://{{ groups['kube-master'][0]}}:{{ kube_master_port }}"
{% if dns_setup %}
Environment="KUBELET_ARGS=--cluster_dns={{ kube_dns_server }} --cluster_domain={{ dns_domain }} --kubeconfig={{ kube_config_dir}}/kubelet.kubeconfig --config={{ kube_manifest_dir }}"
{% else %}
Environment="KUBELET_ARGS=--kubeconfig={{ kube_config_dir}}/kubelet.kubeconfig --config={{ kube_manifest_dir }}"
{% endif %}
{% if overlay_network_plugin|default('') %}
Environment="KUBELET_NETWORK_PLUGIN=--network_plugin={{ overlay_network_plugin }}"
{% endif %}