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by btown
1064 days ago
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Recently saw a (thankfully not mission-critical) old k8s cluster fall down with absurd incompatibilities between node versions, cluster versions, and cert-manager versions - all of which only support upgrades one version at a time. Even infrastructure-as-code doesn’t save you if you need to upgrade something but don’t have the time and expertise (and esoteric changelog knowledge!) to reliably upgrade everything else. |
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