获取度量数据：创建服务账户获取访问token

kubectl create clusterrolebinding kubelet-api-test --clusterrole=system:kubelet-api-admin --serviceaccount=default:kubelet-api-test

clusterrolebinding.rbac.authorization.k8s.io "kubelet-api-test" created

[root@kube-master ~]# SECRET=$(kubectl get secrets | grep kubelet-api-test | awk '{print $1}')

[root@kube-master ~]# TOKEN=$(kubectl describe secret ${SECRET} | grep -E '^token' | awk '{print $2}')

[root@kube-master ~]# curl -s --cacert /opt/k8s/cert/ca.pem -H "Authorization: Bearer ${TOKEN}" https://192.168.10.109:10250/metrics|head