备份由 Kubeadm 部署的 Kubernetes 集群数据库

  1. ETCDCTL_API=3 \
  2. etcdctl snapshot save /opt/etcd_backup/snap-etcd-$(date "+%F-%H-%M-%S").db \
  3. --endpoints=https://192.168.50.11:2379 \
  4. --cacert=/etc/kubernetes/pki/etcd/ca.crt \
  5. --cert=/etc/kubernetes/pki/etcd/server.crt\
  6. --key=/etc/kubernetes/pki/etcd/server.key