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## Controller源码分段阅读导航
- [启动流程](https://github.com/yinwenqin/kubeSourceCodeNote/blob/master/kubelet/Kubernetes源码学习-Kubelet-P1-启动流程篇.md)
- (待补充)
## 概述
Kubelet作为k8s核心组件中的daemon端运行在集群中的每一个节点上承接着控制平面的指令向数据平面传达。不像scheduler、controller组件只负责相对单一的功能kubelet除了管理自身的运行时外还需要和宿主系统(linux)、CRI、CNI、CSI等外部组件对接无疑是一个复杂度很高的组件。
## kubelet的主要功能
- pod启停
- 容器网络管理
- Volume管理
- 探针检查
- 容器监控