Infra Learning Club

Sep 27, 2024 · Cloud Native

Inside Kubelet: How Pod Admission Works

This article dissects Kubelet's Pod admission pipeline, explaining how syncLoopIteration gathers pod data, how HandlePodAdditions invokes canAdmitPod, and how six registered admit handlers—Eviction, System Allowlist, Resource Allocation, Predicate, AppArmor, and Shutdown—evaluate each pod with concrete code examples and decision logic.