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feat: add variables to manage makeIPTablesUtilChains and streamingConnectionIdleTimeout kubelet parameters (#8796)

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Alessio Greggi 2022-05-09 18:25:19 +02:00 committed by GitHub
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2
docs/vars.md
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@ -192,6 +192,8 @@ Stack](https://github.com/kubernetes-sigs/kubespray/blob/master/docs/dns-stack.m
**Note** that server certificates are **not** approved automatically. Approve them manually **Note** that server certificates are **not** approved automatically. Approve them manually
(`kubectl get csr`, `kubectl certificate approve`) or implement custom approving controller like (`kubectl get csr`, `kubectl certificate approve`) or implement custom approving controller like
[kubelet-rubber-stamp](https://github.com/kontena/kubelet-rubber-stamp). [kubelet-rubber-stamp](https://github.com/kontena/kubelet-rubber-stamp).
* *kubelet_streaming_connection_idle_timeout* - Set the maximum time a streaming connection can be idle before the connection is automatically closed.
* *kubelet_make_iptables_util_chains* - If `true`, causes the kubelet ensures a set of `iptables` rules are present on host.
* *node_labels* - Labels applied to nodes via kubelet --node-labels parameter. * *node_labels* - Labels applied to nodes via kubelet --node-labels parameter.
For example, labels can be set in the inventory as variables or more widely in group_vars. For example, labels can be set in the inventory as variables or more widely in group_vars.
*node_labels* can only be defined as a dict: *node_labels* can only be defined as a dict:

6
roles/kubernetes/node/templates/kubelet-config.v1beta1.yaml.j2
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@ -117,3 +117,9 @@ shutdownGracePeriodCriticalPods: {{ kubelet_shutdown_grace_period_critical_pods
memorySwap: memorySwap:
swapBehavior: {{ kubelet_swap_behavior|default("LimitedSwap") }} swapBehavior: {{ kubelet_swap_behavior|default("LimitedSwap") }}
{% endif %} {% endif %}
{% if kubelet_streaming_connection_idle_timeout is defined %}
streamingConnectionIdleTimeout: {{ kubelet_streaming_connection_idle_timeout }}
{% endif %}
{% if kubelet_make_iptables_util_chains is defined %}
makeIPTablesUtilChains: {{ kubelet_make_iptables_util_chains | bool }}
{% endif %}