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Island 5 · Cluster Maintenance · Port 5.2

Kubernetes releases & version skew

Ask the Captain
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v1.37.1 = major.minor.patch. Which versions can mix?
You'll learn to

read a version and the skew rules

Recap

  1. 13 newest minors are supported (1.37 · 1.36 · 1.35)
  2. 2kubelet: up to 3 minors older, never newer
  3. 3Upgrade one minor at a time, control plane first
Check yourself

The API server runs 1.37. Which kubelet version is NOT allowed?

5.2

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