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Merge pull request #1687 from jistr/cgroup-driver-kubeadm

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Set correct kubelet cgroup-driver also for kubeadm deployments
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Bogdan Dobrelya 2017-09-25 11:16:40 +02:00 committed by GitHub
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3
docs/vars.md
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@ -109,6 +109,9 @@ Stack](https://github.com/kubernetes-incubator/kubespray/blob/master/docs/dns-st
dynamic kernel services are needed for mounting persistent volumes into containers. These may not be dynamic kernel services are needed for mounting persistent volumes into containers. These may not be
loaded by preinstall kubernetes processes. For example, ceph and rbd backed volumes. Set this variable to loaded by preinstall kubernetes processes. For example, ceph and rbd backed volumes. Set this variable to
true to let kubelet load kernel modules. true to let kubelet load kernel modules.
* *kubelet_cgroup_driver* - Allows manual override of the
cgroup-driver option for Kubelet. By default autodetection is used
to match Docker configuration.
##### Custom flags for Kube Components ##### Custom flags for Kube Components
For all kube components, custom flags can be passed in. This allows for edge cases where users need changes to the default deployment that may not be applicable to all deployments. This can be done by providing a list of flags. Example: For all kube components, custom flags can be passed in. This allows for edge cases where users need changes to the default deployment that may not be applicable to all deployments. This can be done by providing a list of flags. Example:

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roles/kubernetes/node/templates/kubelet.kubeadm.env.j2
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@ -26,6 +26,7 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
--pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }} \ --pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }} \
--kube-reserved cpu={{ kubelet_cpu_limit }},memory={{ kubelet_memory_limit|regex_replace('Mi', 'M') }} \ --kube-reserved cpu={{ kubelet_cpu_limit }},memory={{ kubelet_memory_limit|regex_replace('Mi', 'M') }} \
--node-status-update-frequency={{ kubelet_status_update_frequency }} \ --node-status-update-frequency={{ kubelet_status_update_frequency }} \
--cgroup-driver={{ kubelet_cgroup_driver|default(kubelet_cgroup_driver_detected) }} \
{% endset %} {% endset %}
{# DNS settings for kubelet #} {# DNS settings for kubelet #}