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

[Service]
Environment="KUBE_LOGTOSTDERR=--logtostderr=true"
Environment="KUBE_LOG_LEVEL=--v={{ kube_log_level | default('2') }}"
Environment="KUBE_ALLOW_PRIV=--allow_privileged=true"
{% if inventory_hostname in groups['kube-master'] %}
Environment="KUBELET_API_SERVER=--api_servers=http://{{ hostvars[inventory_hostname]['ip'] | default(hostvars[inventory_hostname]['ansible_default_ipv4']['address']) }}:{{ kube_apiserver_insecure_port }}"
{% else %}
Environment="KUBELET_API_SERVER=--api_servers=https://{{ groups['kube-master'][0]}}:{{ kube_apiserver_port }}"
{% endif %}
# 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 }}"
{% if inventory_hostname in groups['kube-master'] and inventory_hostname not in groups['kube-node'] %}
Environment="KUBELET_REGISTER_NODE=--register-node=false"
{% endif %}
# location of the api-server
{% if dns_setup %}
Environment="KUBELET_ARGS=--cluster_dns={{ dns_server }} --cluster_domain={{ dns_domain }} --kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml --config={{ kube_manifest_dir }}"
{% else %}
Environment="KUBELET_ARGS=--kubeconfig={{ kube_config_dir}}/kubelet.kubeconfig --config={{ kube_manifest_dir }}"
{% endif %}
{% if kube_network_plugin is defined and kube_network_plugin == "calico" %}
Environment="KUBELET_NETWORK_PLUGIN=--network_plugin={{ kube_network_plugin }}"
{% endif %}