kubeadm token过期

生成token

kubeadm token create

获得ca的hash

 openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'

加入节点

kubeadm join 192.168.254.99:6444 --token 1rpqbo.ei08mja970m2wh43 \
    --discovery-token-ca-cert-hash sha256:82d2f6027ad8f02274502f55838b594b1b056a8096672577a983f9ea46ede9f8