etcd commands

ETCDCTL version 2

 

etcdctl backup
etcdctl cluster-health
etcdctl mk
etcdctl mkdir
etcdctl set

 

ETCDCTL version 3

 

etcdctl snapshot save 
etcdctl endpoint health
etcdctl get
etcdctl put

 

Setting API version 

export ETCDCTL_API=<number>

Setting path to certificate files for ETCDCTL to authenticate ETCD API server

--cacert /etc/kubernetes/pki/etcd/ca.crt     
--cert /etc/kubernetes/pki/etcd/server.crt     
--key /etc/kubernetes/pki/etcd/server.key

An example command with kubectl pa

kubectl exec etcd-master01 -n kube-system -- sh -c "ETCDCTL_API=3 etcdctl get / --prefix --keys-only --limit=10 --cacert /etc/kubernetes/pki/etcd/ca.crt --cert /etc/kubernetes/pki/etcd/server.crt  --key /etc/kubernetes/pki/etcd/server.key"