allow write access to arn:aws:s3:::teapot-etcd-backup to enable backup to s3 from etcd hosts
allow write access to arn:aws:s3:::teapot-etcd-backup to enable backup to s3 from etcd hosts

zalando-incubator/kubernetes-on-aws,zalando-incubator/kubernetes-on-aws,zalando-incubator/kubernetes-on-aws