Kubernetes节点上的只读端口10255不存在 [英] Read-only-port 10255 on Kubernetes node didn`t exist

问题描述

我有一个问题，我需要从位于10255的只读端口收集度量标准数据，但是不幸的是，通过使用netstat，我发现该端口根本不存在.有人可以提供建议吗，如何在kubelet上创建此类端口，或者如何避免使用该端口进行数据收集?

I have a problem, I need to collect metric data from read-only-port located on 10255, but unfortunately by using netstat I found that such port don't exists at all. Can somebody help with advise, how could I create such port on kubelet or how can I avoid this port for data collection?

推荐答案

kubelet 需要设置一个参数:-read-only-port = 10255 ( 了解有关kubelet的更多信息)

The kubelet requires a parameter to be set: --read-only-port=10255 (read more about kubelet)

如果您正在使用 kubeadm 引导集群，则可以使用配置文件为kubelet传入(查找如何通过配置文件设置Kubelet参数")

If you are using kubeadm to bootstrap the cluster, you can use a config file to pass in for the kubelet (look for how to "Set Kubelet parameters via a config file")

例如，如果您使用的是 kubespray ，则有 kube_read_only_port 变量(默认情况下为注释).

If, for example, you are using kubespray, there's the kube_read_only_port variable (commented out by default).

警告！这不是一个好习惯，并且已弃用只读端口.有多种方法可以从安全端口读取信息，但这是另一回事了.

Warning! This is not a good practice and the read-only-port is deprecated. There are ways to read from the secure port but this is another story.

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