# member list
sudo ETCDCTL_API=3 etcdctl member list \
  --endpoints=https://127.0.0.1:2379 \
  --cacert=/etc/etcd/ca.pem \
  --cert=/etc/etcd/etcd.pem \
  --key=/etc/etcd/etcd-key.pem

# member add
sudo ETCDCTL_API=3 etcdctl member add server-3 --peer-urls=https://192.168.1.2:2380  --endpoints=https://127.0.0.1:2379   --cacert=/etc/etcd/ca.pem   --cert=/etc/etcd/etcd.pem   --key=/etc/etcd/etcd-key.pem

# get all keys
sudo ETCDCTL_API=3 etcdctl get --prefix=true "" -w json  --endpoints=https://127.0.0.1:2379   --cacert=/etc/etcd/ca.pem   --cert=/etc/etcd/etcd.pem   --key=/etc/etcd/etcd-key.pem