检测 etcd 状态
etcdctl --endpoints http://127.0.0.1:4001 cluster-health
etcdctl member list 996585598035175a, started, etcd-0, http://etcd-0.etcd:2380, http://etcd-0.etcd:2379 9a7f19668a394adb, started, etcd-1, http://etcd-1.etcd:2380, http://etcd-1.etcd:2379 92dc397d93504108, started, etcd-2, http://etcd-2.etcd:2380, http://etcd-2.etcd:2379
# etcdctl --endpoints=[etcd-0.etcd:2379,etcd-1.etcd:2379,etcd-2.etcd:2379] endpoint health etcd-0.etcd:2379 is healthy: successfully committed proposal: took = 4.658206ms etcd-2.etcd:2379 is healthy: successfully committed proposal: took = 5.670776ms etcd-1.etcd:2379 is healthy: successfully committed proposal: took = 5.608339ms
查看所有 a 开头的 key
etcdctl-3.2.26 get a --prefix --keys-only
查看所有 key
ETCDCTL_API=3 etcdctl get "" --prefix --keys-only
备份
etcdctl --endpoints=[etcd-0.etcd:2379,etcd-1.etcd:2379,etcd-2.etcd:2379] snapshot save snapshot.db