validate_cluster() {
    NAME=${1}

    log Validating cluster via VM ${NAME}
    rsync_cmd ${TEMP_DIR}/scripts/validate-cluster.sh ${NAME}:/root/promenade/
    ssh_cmd ${NAME} /root/promenade/validate-cluster.sh
}

validate_etcd_membership() {
    CLUSTER=${1}
    VM=${2}
    shift 2
    EXPECTED_MEMBERS=${@}

    log Validating ${CLUSTER} etcd membership via ${VM}
    FOUND_MEMBERS=$(etcdctl_member_list ${CLUSTER} ${VM} | tr '\n' ' ' | sed 's/ $//')

    if [[ "x${EXPECTED_MEMBERS}" != "x${FOUND_MEMBERS}" ]]; then
        log Etcd membership check failed for cluster ${CLUSTER}
        log Found \"${FOUND_MEMBERS}\", expected \"${EXPECTED_MEMBERS}\"
        exit 1
    fi
}