def health_check(zookeepers):
    zk_client = KazooClient(zookeepers)
    for check in (check_zookeeper_connectivity,
                check_ephemeral_sessions_fast,
                check_ephemeral_znode_consistency,
                check_ephemeral_dump_consistency,
                check_watch_sessions_clients,
                check_watch_sessions_duplicate,
                check_queue_sizes,
                check_watch_sessions_valid,
                check_overseer_election):