kubespray/roles/kubernetes/node/templates/kubelet.env.v1beta1.j2

KUBE_LOGTOSTDERR="--logtostderr=true"
KUBE_LOG_LEVEL="--v={{ kube_log_level }}"
KUBELET_ADDRESS="--node-ip={{ kubelet_address }}"
{% if kube_override_hostname|default('') %}
KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
{% endif %}

{# Base kubelet args #}
{% set kubelet_args_base -%}
{# start kubeadm specific settings #}
--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf \
--config={{ kube_config_dir }}/kubelet-config.yaml \
--kubeconfig={{ kube_config_dir }}/kubelet.conf \
{# end kubeadm specific settings #}
{% if container_manager == 'docker' %}
--pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }} \
{% else %}
--container-runtime=remote \
--container-runtime-endpoint=unix://{{ cri_socket }} \
{% endif %}
{% if dynamic_kubelet_configuration %}
--dynamic-config-dir={{ dynamic_kubelet_configuration_dir }} \
{% endif %}
--runtime-cgroups={{ kubelet_runtime_cgroups }} \
{% endset %}

{# Kubelet node taints for gpu #}
{% if nvidia_gpu_nodes is defined and nvidia_accelerator_enabled|bool %}
{%   if inventory_hostname in nvidia_gpu_nodes and node_taints is defined %}
{%       set dummy = node_taints.append('nvidia.com/gpu=:NoSchedule') %}
{%   elif inventory_hostname in nvidia_gpu_nodes and node_taints is not defined %}
{%       set node_taints = [] %}
{%       set dummy = node_taints.append('nvidia.com/gpu=:NoSchedule') %}
{%   endif %}
{% endif %}

KUBELET_ARGS="{{ kubelet_args_base }} {% if node_taints|default([]) %}--register-with-taints={{ node_taints | join(',') }} {% endif %} {% if kube_feature_gates %} --feature-gates={{ kube_feature_gates|join(',') }} {% endif %} {% if kubelet_custom_flags is string %} {{kubelet_custom_flags}} {% else %}{% for flag in kubelet_custom_flags %} {{flag}} {% endfor %}{% endif %}{% if inventory_hostname in groups['kube-node'] %}{% if kubelet_node_custom_flags is string %} {{kubelet_node_custom_flags}} {% else %}{% for flag in kubelet_node_custom_flags %} {{flag}} {% endfor %}{% endif %}{% endif %}"
{% if kubelet_flexvolumes_plugins_dir is defined %}
KUBELET_VOLUME_PLUGIN="--volume-plugin-dir={{ kubelet_flexvolumes_plugins_dir }}"
{% endif %}
{% if kube_network_plugin is defined and kube_network_plugin in ["calico", "canal", "cni", "flannel", "weave", "contiv", "cilium", "kube-ovn", "ovn4nfv", "kube-router", "macvlan"] %}
KUBELET_NETWORK_PLUGIN="--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
{% elif kube_network_plugin is defined and kube_network_plugin == "cloud" %}
KUBELET_NETWORK_PLUGIN="--hairpin-mode=promiscuous-bridge --network-plugin=kubenet"
{% endif %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "external"] %}
KUBELET_CLOUDPROVIDER="--cloud-provider={{ cloud_provider }} --cloud-config={{ kube_config_dir }}/cloud_config"
{% else %}
KUBELET_CLOUDPROVIDER=""
{% endif %}

PATH={{ bin_dir }}:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin