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Add preflight check on custom CNI during upgrade #8129

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jiayiwang7 opened this issue May 9, 2024 · 0 comments
Open

Add preflight check on custom CNI during upgrade #8129

jiayiwang7 opened this issue May 9, 2024 · 0 comments

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@jiayiwang7
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jiayiwang7 commented May 9, 2024

If a user runs EKS-A upgrade CLI on a cluster with custom CNI installed (not default EKS-A Cilium) without specifying cniConfig.cilium.skipUpgrade: true, the upgrade will stall at "Cilium unable to be installed" because EKS-A tried to install its built-in Cilium on a cluster that already had custom CNI.

We should add a preflight validation in upgrade to fail ahead when a custom CNI presents on the cluster and cniConfig.cilium.skipUpgrade is not set to true.

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