Get node objects from AliCloud.

def nodes_ali(c_obj):
    """Get node objects from AliCloud."""
    ali_nodes = []
    try:
        ali_nodes = c_obj.list_nodes()
    except BaseHTTPError as e:
        abort_err("\r HTTP Error with AliCloud: {}".format(e))
    ali_nodes = adj_nodes_ali(ali_nodes)
    return ali_nodes