wait_for.py

def wait_for_devstack_gate_to_finish(server):
    limit = time.time() + 30000
    try:
        while time.time() < limit:
            time.sleep(20)
            result = ''
            try:
                result = remote(server, user='jenkins', command='[[ -f /tmp/gate-finished ]] && echo done')
            except Exception as ex:
                log.error("Error waiting for devstack-gate to finish: {}".format(ex.message))
            if len(result) > 0:
                return
        log.warning('Timed out waiting for /tmp/gate-finished')
    except KeyboardInterrupt as ex:
        print "\nInterrupted"
        sys.exit(0)