migrate to transform etcd v2 to v3 data: # write key in etcd version 2 storeexportETCDCTL_API=2etcdctl --endpoints=http://$ENDPOINTset foo bar # read key in etcd v2etcdctl --endpoints=$ENDPOINTS --output="json" get foo # stop etcd node to migrate, one by one# migrate v2 dataexportETCDCTL_API=3etcdctl --endpoints=$ENDPOINT migrate --data-dir="default.etcd" --wal-dir="default.etcd/member/wal"# restart etcd node after migrate, one by one# confirm that the key got migratedetcdctl --endpoints=$END...
