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automating-version-skew

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Jim Angel
2020-04-15 20:56:38 -05:00
parent a84d8d955e
commit a3decc2c8f
3 changed files with 40 additions and 33 deletions
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content/en/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm.md
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@@ -609,13 +609,10 @@ of Pod network add-ons.
## Version skew policy {#version-skew-policy}
The `kubeadm` tool of version vX.Y may deploy clusters with a control plane of version vX.Y or vX.(Y-1).
`kubeadm` vX.Y can also upgrade an existing kubeadm-created cluster of version vX.(Y-1).
The `kubeadm` tool of version v{{< skew latestVersion >}} may deploy clusters with a control plane of version v{{< skew latestVersion >}} or v{{< skew prevMinorVersion >}}.
`kubeadm` v{{< skew latestVersion >}} can also upgrade an existing kubeadm-created cluster of version v{{< skew prevMinorVersion >}}.
Due to that we can't see into the future, kubeadm CLI vX.Y may or may not be able to deploy vX.(Y+1) clusters.
Example: `kubeadm` v1.8 can deploy both v1.7 and v1.8 clusters and upgrade v1.7 kubeadm-created clusters to
v1.8.
Due to that we can't see into the future, kubeadm CLI v{{< skew latestVersion >}} may or may not be able to deploy v{{< skew nextMinorVersion >}} clusters.
These resources provide more information on supported version skew between kubelets and the control plane, and other Kubernetes components: