Backup

Backup ETCD

Backing up

export ETCDCTL_API=3
etcdctl --endpoints $ENDPOINT snapshot save <file name> \
--endpoints=https://<host>:2379 \
--cacert=<cacert> \
--cert=<crt> \
--key=<key>

Restore ETCD

Stop etcd

sudo systemctl stop etcd

Delete existing etcd data

sudo rm -rf /var/lib/etcd

Restoring

export ETCDCTL_API=3
etcdctl snapshot restore <file name> \
--initial-cluster etcd-restore=https://<host>:2380 \
--initial-advertise-peer-urls https://<host>:2380 \
--name etcd-restore \
--data-dir /var/lib/etcd

Set database ownership

sudo chown -R etcd:etcd /var/lib/etcd

Start etcd

sudo systemctl start etcd

Verify it is working

etcdctl get cluster.name \
--endpoints=https://<host>:2379 \
--cacert=<cacert> \
--cert=<crt> \
--key=<key>