kubectl get nodes NAME STATUS ROLES AGE VERSION i-6fns0nua Ready master 6d3h v1.15.2 i-m69skuyd Ready <none> 6d2h v1.15.2
kubectl label node i-m69skuyd node-role.kubernetes.io/worker= node/i-m69skuyd labeled
kubectl get node NAME STATUS ROLES AGE VERSION i-6fns0nua Ready master 6d3h v1.15.2 i-m69skuyd Ready worker 6d2h v1.15.2
Kubernetes 中给 Node 增加 Role: worker
原文：https://www.cnblogs.com/zhangmingcheng/p/14085365.html