ubelet k8s-node01 (k8s-node01): Get https://k8s-node01:10250/stats/summary?only_cpu_and_memory=true: dial tcp: lookup k8s-node01 on 10.32.0.10:53: no such host, unable to fully scrape metrics from source kubelet_summary:k8s-master: unable to fetch metrics from Kubelet k8s-master (k8s-master): Get https://k8s-master:10250/stats/summary?only_cpu_and_memory=true: dial tcp: lookup k8s-master on 10.32.0.10:53: no such host, unable to fully scrape metrics from source kubelet_summary:k8s-node02: unable to fetch metrics from Kubelet k8s-node02 (k8s-node02): Get https://k8s-node02:10250/stats/summary?only_cpu_and_memory=true: dial tcp: lookup k8s-node02 on 10.32.0.10:53: no such host]
E0309 13:51:03.487103 1 reststorage.go:135] unable to fetch node metrics for node "k8s-master": no metrics known for node
E0309 13:51:03.487648 1 reststorage.go:135] unable to fetch node metrics for node "k8s-node01": no metrics known for node
E0309 13:51:03.487759 1 reststorage.go:135] unable to fetch node metrics for node "k8s-node02": no metrics known for node
在本地虚拟机 vmware 用 kubeadm 搭建的集群中部署 metrics-server 出现以下问题，我记录下。
解决： metrics-server-deployment.yaml 添加 - --kubelet-preferred-address-types=InternalIP - --kubelet-insecure-tls 参数