X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2Ftelemetry%2FSPAN.py;h=268a268a0da247173f48c1ec1c4718ae02c46378;hb=ed0258a440cfad7023d643f717ab78ac568dc59b;hp=7933898c022aa8716409751c87577e7e69258f7b;hpb=ac8b7ce3b05805a978b8186440e62dcd0d9023c3;p=csit.git diff --git a/resources/libraries/python/telemetry/SPAN.py b/resources/libraries/python/telemetry/SPAN.py index 7933898c02..268a268a0d 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) 2019 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: @@ -14,10 +14,9 @@ """SPAN setup library""" from resources.libraries.python.topology import Topology -from resources.libraries.python.VatExecutor import VatTerminal +from resources.libraries.python.PapiExecutor import PapiSocketExecutor -# pylint: disable=too-few-public-methods class SPAN(object): """Class contains methods for setting up SPAN mirroring on DUTs.""" @@ -26,23 +25,59 @@ class SPAN(object): pass @staticmethod - def set_span_mirroring(node, src_if, dst_if): - """Set Span mirroring on the specified node. + def vpp_get_span_configuration(node, is_l2=False): + """Get full SPAN configuration from VPP node. + + Used by Honeycomb. + + :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 + """ + cmd = "sw_interface_span_dump" + args = dict( + is_l2=1 if is_l2 else 0 + ) + with PapiSocketExecutor(node) as papi_exec: + details = papi_exec.add(cmd, **args).get_details() + + return details + + @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. + + Used by Honeycomb. :param node: DUT node. - :param src_if: Interface to mirror traffic from. - :param dst_if: Interface to mirror traffic to. + :param dst_interface: Name, sw_if_index or key of interface. + :param ret_format: Optional. Desired format of returned interfaces. :type node: dict - :type src_if: str - :type dst_if: str + :type dst_interface: str or int + :type ret_format: string + :returns: List of SPAN source interfaces for the provided destination + interface. + :rtype: list """ - src_if = Topology.get_interface_name(node, src_if) - dst_if = Topology.get_interface_name(node, dst_if) + data = SPAN.vpp_get_span_configuration(node) + + dst_int = Topology.convert_interface_reference( + node, dst_interface, "sw_if_index") + src_interfaces = [] + for item in data: + if item["sw_if_index_to"] == dst_int: + src_interfaces.append(item["sw_if_index_from"]) + + if ret_format != "sw_if_index": + src_interfaces = [ + Topology.convert_interface_reference( + node, interface, ret_format + ) for interface in src_interfaces] - 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 + return src_interfaces