Refresh node data using existing connection-objects.

def get_data(conn_objs, providers):
    """Refresh node data using existing connection-objects."""
    cld_svc_map = {"aws": nodes_aws,
                   "azure": nodes_az,
                   "gcp": nodes_gcp,
                   "alicloud": nodes_ali}
    sys.stdout.write("\rCollecting Info:  ")
    sys.stdout.flush()
    busy_obj = busy_disp_on()
    collec_fn = [[cld_svc_map[x.rstrip('1234567890')], conn_objs[x]]
                 for x in providers]
    ngroup = Group()
    node_list = []
    node_list = ngroup.map(get_nodes, collec_fn)
    ngroup.join()
    busy_disp_off(dobj=busy_obj)
    sys.stdout.write("\r                                                 \r")
    sys.stdout.write("\033[?25h")  # cursor back on
    sys.stdout.flush()
    return node_list