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recommend draining the node before updating kubelet 

This change clarifies that the node should be drained even when
performing patch upgrades of kubelet.
This commit is contained in:
Todd Neal 2023-09-14 09:39:57 -05:00
parent 2229800fef
commit 20cfb80cf9
1 changed files with 5 additions and 0 deletions
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5
content/en/docs/tasks/administer-cluster/cluster-upgrade.md
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@ -59,6 +59,11 @@ For each node in your cluster, [drain](/docs/tasks/administer-cluster/safely-dra
that node and then either replace it with a new node that uses the {{< skew currentVersion >}}
kubelet, or upgrade the kubelet on that node and bring the node back into service.
{{< caution >}}
Draining nodes before upgrading kubelet ensures that pods are re-admitted and containers are
re-created, which may be necessary to resolve some security issues or other important bugs.
{{</ caution >}}
### Other deployments {#upgrade-other}
Refer to the documentation for your cluster deployment tool to learn the recommended set