Summary 引言 kube-apiserver kube-controller-manager kube-scheduler scheduler 详细介绍 入口函数-main 调度逻辑-schedulerOne 预选策略-findNodesThatFitPod 优选策略-prioritizeNodes 抢占策略-preempt informer 机制 schedulingQueue 机制 Extension Points kubelet kube-proxy kubeadm kubectl