1.下载软件
git clone https://github.com/kubernetes-incubator/metrics-server
2.修改deployment文件
vim metrics-server/deploy/kubernetes/metrics-server-deployment.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: metrics-server
namespace: kube-system
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: metrics-server
namespace: kube-system
labels:
k8s-app: metrics-server
......
containers
- name: tmp-dir
emptyDir: {}
containers:
- name: metrics-server
image: k8s.gcr.io/metrics-server-amd64:v0.3.6
command: #adding lines
- /metrics-server
- --kubelet-insecure-tls
- --kubelet-preferred-address-types=InternalIP
imagePullPolicy: IfNotPresent
......
3.应用配置文件
kubectl apply -f metrics-server/deploy/kubernetes/
4.查看结果
kubectl get pod -n kube-system -owide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
calico-kube-controllers-68dc4cf88f-vnlds 1/1 Running 0 22h 172.244.235.195 k8s-master <none> <none>
......
metrics-server-7d89945f47-zjzq2 1/1 Running 0 4h20m 172.244.169.129 k8s-node2 <none>
kubectl get apiservices
NAME SERVICE AVAILABLE AGE
v1. Local True 23h
......
v1beta1.metrics.k8s.io kube-system/metrics-server True 4h22m
......
v1beta1.storage.k8s.io Local True 23h
v2beta1.autoscaling Local True 23h
v2beta2.autoscaling Local True 23h
kubectl top node
NAME CPU(cores) CPU% MEMORY(bytes) MEMORY%
k8s-master 119m 5% 1544Mi 41%
k8s-node1 128m 6% 774Mi 20%
k8s-node2 127m 6% 764Mi 20%
k8s-node3 62m 3% 766Mi 20%
kubectl top pods -n kube-system
NAME CPU(cores) MEMORY(bytes)
calico-kube-controllers-68dc4cf88f-vnlds 1m 12Mi
calico-node-4hc6v 35m 43Mi
calico-node-8f7gb 38m 40Mi
calico-node-db5p8 14m 49Mi
calico-node-s9lmx 18m 41Mi
coredns-9d85f5447-mn42z 2m 13Mi
coredns-9d85f5447-xz8p9 1m 14Mi
etcd-k8s-master 11m 172Mi
kube-apiserver-k8s-master 19m 317Mi
kube-controller-manager-k8s-master 6m 43Mi
kube-proxy-cbgvv 1m 14Mi
kube-proxy-dp6dj 2m 14Mi
kube-proxy-j9td8 1m 14Mi
kube-proxy-jf2zq 1m 14Mi
kube-scheduler-k8s-master 2m 18Mi
metrics-server-7d89945f47-zjzq2 1m 11Mi
