etcd 备份还原

etcd 备份还原

1. 查看 etcdctl 是否已经安装

# quick check if etcdctl is available or not
ETCDCTL_API=3 etcdctl --help | head

2. 安装 etcdctl

# 获取 etcd 版本信息
kubectl exec -it etcd-master -n kube-system -- /bin/sh -c 'ETCDCTL_API=3 /usr/local/bin/etcd --version' | head

# 下载
export RELEASE="3.4.3"
https://github.com/etcd-io/etcd/releases/download/v${RELEASE}/etcd-v