X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2Ftelemetry%2FSPAN.py;h=048e89ba6715b7c002db29491d56845bf6e521d4;hp=7933898c022aa8716409751c87577e7e69258f7b;hb=4c6fe5602edcbd9857a846e5b13a21d5c671a2c8;hpb=ac8b7ce3b05805a978b8186440e62dcd0d9023c3 diff --git a/resources/libraries/python/telemetry/SPAN.py b/resources/libraries/python/telemetry/SPAN.py index 7933898c02..048e89ba67 100644 --- a/resources/libraries/python/telemetry/SPAN.py +++ b/resources/libraries/python/telemetry/SPAN.py @@ -1,4 +1,4 @@ -# Copyright (c) 2016 Cisco and/or its affiliates. +# Copyright (c) 2018 Cisco and/or its affiliates. # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at: @@ -17,7 +17,6 @@ from resources.libraries.python.topology import Topology from resources.libraries.python.VatExecutor import VatTerminal -# pylint: disable=too-few-public-methods class SPAN(object): """Class contains methods for setting up SPAN mirroring on DUTs.""" @@ -37,12 +36,59 @@ class SPAN(object): :type dst_if: str """ - src_if = Topology.get_interface_name(node, src_if) - dst_if = Topology.get_interface_name(node, dst_if) + src_if = Topology.get_interface_sw_index(node, src_if) + dst_if = Topology.get_interface_sw_index(node, dst_if) with VatTerminal(node, json_param=False) as vat: vat.vat_terminal_exec_cmd_from_template('span_create.vat', - src_if=src_if, - dst_if=dst_if, - ) - # TODO: Update "span_create.vat" to use VAT command, once available + src_sw_if_index=src_if, + dst_sw_if_index=dst_if) + + @staticmethod + def vpp_get_span_configuration(node): + """Get full SPAN configuration from VPP node. + + :param node: DUT node. + :type node: dict + :returns: Full SPAN configuration as list. One list entry for every + source/destination interface pair. + :rtype: list of dict + """ + + with VatTerminal(node, json_param=True) as vat: + data = vat.vat_terminal_exec_cmd_from_template('span_dump.vat') + return data[0] + + @staticmethod + def vpp_get_span_configuration_by_interface(node, dst_interface, + ret_format="sw_if_index"): + """Get a list of all interfaces currently being mirrored + to the specified interface. + + :param node: DUT node. + :param dst_interface: Name, sw_if_index or key of interface. + :param ret_format: Optional. Desired format of returned interfaces. + :type node: dict + :type dst_interface: str or int + :type ret_format: string + :returns: List of SPAN source interfaces for the provided destination + interface. + :rtype: list + """ + + data = SPAN.vpp_get_span_configuration(node) + + dst_interface = Topology.convert_interface_reference( + node, dst_interface, "sw_if_index") + src_interfaces = [] + for item in data: + if item["dst-if-index"] == dst_interface: + src_interfaces.append(item["src-if-index"]) + + if ret_format != "sw_if_index": + src_interfaces = [ + Topology.convert_interface_reference( + node, interface, ret_format + ) for interface in src_interfaces] + + return src_interfaces