首先查看全部密钥的名称
kubectl get secret -n kube-system
NAME TYPE DATA AGE
admin-user-token-xbtx4 kubernetes.io/service-account-token 3 9d
attachdetach-controller-token-pncvl kubernetes.io/service-account-token 3 9d
bootstrap-signer-token-kjvzt kubernetes.io/service-account-token 3 9d
calico-kube-controllers-token-4x2bm kubernetes.io/service-account-token 3 9d
calico-node-token-d92l8 kubernetes.io/service-account-token 3 9d
certificate-controller-token-qn4mh kubernetes.io/service-account-token 3 9d
clusterrole-aggregation-controller-token-z8xkm kubernetes.io/service-account-token 3 9d
coredns-token-k4nhc kubernetes.io/service-accou