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

{% if ansible_service_mgr in ["sysvinit","upstart"] %}
# Logging directory
KUBE_LOGGING="--log-dir={{ kube_log_dir }} --logtostderr=true"
{% else %}
# logging to stderr means we get it in the systemd journal
KUBE_LOGGING="--logtostderr=true"
{% endif %}
KUBE_LOG_LEVEL="--v={{ kube_log_level | default('2') }}"
KUBE_ALLOW_PRIV="--allow_privileged=true"
{% if inventory_hostname in groups['kube-node'] %}
KUBELET_API_SERVER="--api_servers={% for host in groups['kube-master'] %}https://{{ hostvars[host]['access_ip'] | default(hostvars[host]['ip'] | default(hostvars[host]['ansible_default_ipv4']['address'])) }}:{{ kube_apiserver_port }}{% if not loop.last %},{% endif %}{% endfor %}"
{% endif %}
# The address for the info server to serve on (set to 0.0.0.0 or "" for all interfaces)
KUBELET_ADDRESS="--address={{ ip | default(0.0.0.0) }}"
# The port for the info server to serve on
# KUBELET_PORT="--port=10250"
# You may leave this blank to use the actual hostname
KUBELET_HOSTNAME="--hostname_override={{ inventory_hostname }}"
{% if inventory_hostname in groups['kube-master'] and inventory_hostname not in groups['kube-node'] %}
KUBELET_REGISTER_NODE="--register-node=false"
{% endif %}
# location of the api-server
{% if dns_setup %}
KUBELET_ARGS="--cluster_dns={{ dns_server }} --cluster_domain={{ dns_domain }} --kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml --config={{ kube_manifest_dir }}"
{% else %}
KUBELET_ARGS="--kubeconfig={{ kube_config_dir}}/kubelet.kubeconfig --config={{ kube_manifest_dir }}"
{% endif %}
{% if kube_network_plugin is defined and kube_network_plugin in ["calico", "weave"] %}
KUBELET_NETWORK_PLUGIN="--network_plugin=cni --network-plugin-dir=/etc/cni/net.d"
{% elif kube_network_plugin is defined and kube_network_plugin == "weave" %}
DOCKER_SOCKET="--docker-endpoint=unix:/var/run/weave/weave.sock"
{% endif %}
# Should this cluster be allowed to run privileged docker containers
KUBE_ALLOW_PRIV="--allow_privileged=true"
{% if cloud_provider is defined and cloud_provider == "openstack" %}
KUBELET_CLOUDPROVIDER="--cloud-provider={{ cloud_provider }} --cloud-config={{ kube_config_dir }}/cloud_config"
{% else %}
{# TODO: gce and aws don't need the cloud provider to be set? #}
KUBELET_CLOUDPROVIDER=""
{% endif %}
{% if ansible_service_mgr in ["sysvinit","upstart"] %}
DAEMON_ARGS="$KUBE_LOGGING $KUBE_LOG_LEVEL $KUBE_ALLOW_PRIV $KUBELET_API_SERVER $KUBELET_ADDRESS \
$KUBELET_HOSTNAME $KUBELET_REGISTER_NODE $KUBELET_ARGS $DOCKER_SOCKET $KUBELET_ARGS $KUBELET_NETWORK_PLUGIN \
$KUBELET_CLOUDPROVIDER"
{% endif %}