Kubernetes version vs. Amazon EKS platform version

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According to:

https://docs.aws.amazon.com/eks/latest/userguide/platform-versions.html

For an 1.24 EKS Cluster with eks.3 platform version, the kubernetes version (control plane) should be 1.24.7, however all our clusters (created using AWS CDK) are reporting 1.24.8 as kubernetes version (v1.24.8-eks-ffeb93d to be more precise). I re-read that platform-versions.html multiple times and cannot interpret it in such a way that what we're observing is expected behaviour. Would anyone be able to confirm if that's just bad wording/documentation and if yes, what would be a way to get possible kubernetes version(s) for a given EKS platform version (i.e. 1.24/eks.3).

Many thanks, damjan

damjan
asked a year ago1302 views
2 Answers
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The kubernetes version in EKS clusters may not always match the exact version specified in the platform-versions.html. The actual version depends on the specific EKS cluster and its resources, as well as the AWS region in which the cluster was created. The kubernetes version reported in your EKS cluster (v1.24.8-eks-ffeb93d) is not unexpected and is likely the result of a recent update made by AWS to their EKS platform. The best way to find the possible kubernetes versions for a given EKS platform version (e.g. 1.24/eks.3) is to refer to the AWS documentation and the EKS release notes, or to reach out to AWS support for clarification.

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answered a year ago
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That's exactly what the problem is :) - nowhere in their documentation they mention kubernetes version 1.24.8. For kubernetes 1.24, all platform versions (eks.1, eks.2 and eks.3) should be running kubernetes version 1.24.7 (for control plane) and yet our 1.24/eks.3 clusters are running v1.24.8

Documentation

Would be nice if that was documented/made clear on that page.

damjan
answered a year ago

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