Added alternative for etcdctl
Added alternative for etcdctl

Signed-off-by: Arindam Nayak <2a568384e15958df782350e499dd3e662cb5fccd@outlook.com>

vitessio/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess,tinyspeck/vitess,tinyspeck/vitess,mahak/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,vitessio/vitess