738 lines
22 KiB
Python
738 lines
22 KiB
Python
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#!/usr/bin/env python
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# SPDX-License-Identifier: ISC
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#
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# test_bgp_snmp_mplsl3vpn.py
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# Part of NetDEF Topology Tests
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#
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# Copyright (c) 2020 by Volta Networks
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#
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"""
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test_bgp_snmp_mplsl3vpn.py: Test mplsL3Vpn MIB [RFC4382].
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"""
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import os
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import sys
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from time import sleep
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import pytest
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# Save the Current Working Directory to find configuration files.
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CWD = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(CWD, "../"))
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# pylint: disable=C0413
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# Import topogen and topotest helpers
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from lib.topogen import Topogen, TopoRouter, get_topogen
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from lib.snmptest import SnmpTester
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from lib import topotest
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# Required to instantiate the topology builder class.
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pytestmark = [pytest.mark.bgpd, pytest.mark.isisd, pytest.mark.snmp]
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def build_topo(tgen):
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"Build function"
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# This function only purpose is to define allocation and relationship
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# between routers, switches and hosts.
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#
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#
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# Create routers
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tgen.add_router("r1")
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tgen.add_router("r2")
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tgen.add_router("r3")
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tgen.add_router("r4")
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tgen.add_router("ce1")
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tgen.add_router("ce2")
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tgen.add_router("ce3")
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tgen.add_router("ce4")
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# r1-r2
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switch = tgen.add_switch("s1")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r2"])
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# r1-r3
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switch = tgen.add_switch("s2")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r3"])
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# r1-r4
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switch = tgen.add_switch("s3")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r4"])
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# r1-ce1
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switch = tgen.add_switch("s4")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["ce1"])
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# r1-ce3
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switch = tgen.add_switch("s5")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["ce3"])
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# r1-ce4
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switch = tgen.add_switch("s6")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["ce4"])
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# r1-dangling
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switch = tgen.add_switch("s7")
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switch.add_link(tgen.gears["r1"])
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# r2-r3
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switch = tgen.add_switch("s8")
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switch.add_link(tgen.gears["r2"])
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switch.add_link(tgen.gears["r3"])
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# r3-r4
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switch = tgen.add_switch("s9")
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switch.add_link(tgen.gears["r3"])
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switch.add_link(tgen.gears["r4"])
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# r4-ce2
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switch = tgen.add_switch("s10")
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switch.add_link(tgen.gears["r4"])
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switch.add_link(tgen.gears["ce2"])
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def setup_module(mod):
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"Sets up the pytest environment"
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# skip tests is SNMP not installed
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snmpd = os.system("which snmpd")
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if snmpd:
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error_msg = "SNMP not installed - skipping"
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pytest.skip(error_msg)
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# This function initiates the topology build with Topogen...
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tgen = Topogen(build_topo, mod.__name__)
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# ... and here it calls Mininet initialization functions.
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tgen.start_topology()
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r1 = tgen.gears["r1"]
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r2 = tgen.gears["r2"]
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r3 = tgen.gears["r3"]
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r4 = tgen.gears["r4"]
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# setup VRF-a in r1
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r1.run("ip link add VRF-a type vrf table 1001")
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r1.run("ip link set up dev VRF-a")
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r1.run("ip link add VRF-b type vrf table 1002")
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r1.run("ip link set up dev VRF-b")
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r4.run("ip link add VRF-a type vrf table 1001")
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r4.run("ip link set up dev VRF-a")
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# enslave vrf interfaces
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r1.run("ip link set r1-eth3 master VRF-a")
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r1.run("ip link set r1-eth4 master VRF-a")
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r1.run("ip link set r1-eth5 master VRF-b")
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r4.run("ip link set r4-eth1 master VRF-a")
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r1.run("sysctl -w net.ipv4.ip_forward=1")
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r2.run("sysctl -w net.ipv4.ip_forward=1")
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r3.run("sysctl -w net.ipv4.ip_forward=1")
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r4.run("sysctl -w net.ipv4.ip_forward=1")
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r1.run("sysctl -w net.mpls.conf.r1-eth0.input=1")
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r1.run("sysctl -w net.mpls.conf.r1-eth1.input=1")
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r1.run("sysctl -w net.mpls.conf.r1-eth2.input=1")
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router_list = tgen.routers()
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# For all registered routers, load the zebra configuration file
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for rname, router in router_list.items():
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router.load_config(
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TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_ISIS, os.path.join(CWD, "{}/isisd.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_BGP,
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os.path.join(CWD, "{}/bgpd.conf".format(rname)),
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"-M snmp",
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)
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router.load_config(
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TopoRouter.RD_SNMP,
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os.path.join(CWD, "{}/snmpd.conf".format(rname)),
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"-Le -Ivacm_conf,usmConf,iquery -V -DAgentX,trap",
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)
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# After loading the configurations, this function loads configured daemons.
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tgen.start_router()
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def teardown_module(mod):
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"Teardown the pytest environment"
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tgen = get_topogen()
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# This function tears down the whole topology.
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tgen.stop_topology()
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# SNMP utilities - maybe move to lib
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def snmp_uint32_to_oid(val):
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oid1 = int(val / 16777216) % 256
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oid2 = int(val / 65536) % 256
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oid3 = int(val / 256) % 256
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oid4 = int(val) % 256
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return "%(oid1)s.%(oid2)s.%(oid3)s.%(oid4)s" % locals()
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def snmp_oid_to_uint32(oid):
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values = oid.split(".")
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return (
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(int(values[0]) * 16777216)
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+ (int(values[1]) * 65536)
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+ (int(values[2]) * 256)
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+ int(values[3])
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)
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def snmp_str_to_oid(str):
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out_oid = ""
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for char in str:
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out_oid += "{}.".format(ord(char))
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return out_oid.rstrip(".")
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def snmp_oid_to_str(oid):
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out_str = ""
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oids = oid.split(".")
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for char in oids:
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out_str += "{}".format(chr(int(char)))
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return out_str
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def snmp_rte_oid(vrf, dtype, dest, plen, policy, ntype, nhop=0):
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oid_1 = snmp_str_to_oid(vrf)
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oid_2 = dtype
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oid_3 = dest
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oid_4 = plen
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oid_5 = "0.{}".format(policy)
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oid_6 = ntype
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if ntype == 0:
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oid_7 = ""
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else:
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oid_7 = ".{}".format(nhop)
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return "{}.{}.{}.{}.{}.{}{}".format(oid_1, oid_2, oid_3, oid_4, oid_5, oid_6, oid_7)
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def test_pe1_converge_evpn():
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"Wait for protocol convergence"
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tgen = get_topogen()
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r1 = tgen.gears["r1"]
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def _convergence():
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r1 = tgen.gears["r1"]
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r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
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return r1_snmp.test_oid("bgpVersion", "10")
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_, result = topotest.run_and_expect(_convergence, True, count=20, wait=1)
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assertmsg = "BGP SNMP does not seem to be running"
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assert result, assertmsg
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r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
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count = 0
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passed = False
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while count < 125:
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if r1_snmp.test_oid_walk("bgpPeerLocalAddr.10.4.4.4", ["10.1.1.1"]):
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passed = True
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break
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count += 1
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sleep(1)
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# tgen.mininet_cli()
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assertmsg = "BGP Peer 10.4.4.4 did not connect"
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assert passed, assertmsg
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interfaces_up_test = {
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"mplsL3VpnConfiguredVrfs": "2",
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"mplsL3VpnActiveVrfs": "2",
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"mplsL3VpnConnectedInterfaces": "3",
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"mplsL3VpnNotificationEnable": "true(1)",
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"mplsL3VpnVrfConfMaxPossRts": "0",
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"mplsL3VpnVrfConfRteMxThrshTime": "0 seconds",
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"mplsL3VpnIlllblRcvThrsh": "0",
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}
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interfaces_down_test = {
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"mplsL3VpnConfiguredVrfs": "2",
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"mplsL3VpnActiveVrfs": "1",
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"mplsL3VpnConnectedInterfaces": "3",
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"mplsL3VpnNotificationEnable": "true(1)",
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"mplsL3VpnVrfConfMaxPossRts": "0",
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"mplsL3VpnVrfConfRteMxThrshTime": "0 seconds",
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"mplsL3VpnIlllblRcvThrsh": "0",
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}
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def test_r1_mplsvpn_scalars():
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"check scalar values"
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tgen = get_topogen()
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r1 = tgen.gears["r1"]
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r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
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for item in interfaces_up_test.keys():
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assertmsg = "{} should be {}: value {}".format(
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item, interfaces_up_test[item], r1_snmp.get_next(item)
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)
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assert r1_snmp.test_oid(item, interfaces_up_test[item]), assertmsg
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def test_r1_mplsvpn_scalars_interface():
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"check scalar interface changing values"
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tgen = get_topogen()
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r1 = tgen.gears["r1"]
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r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
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r1.vtysh_cmd("conf t\ninterface r1-eth3\nshutdown")
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r1.vtysh_cmd("conf t\ninterface r1-eth4\nshutdown")
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for item in interfaces_up_test.keys():
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assertmsg = "{} should be {}: value {}".format(
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item, interfaces_down_test[item], r1_snmp.get_next(item)
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)
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assert r1_snmp.test_oid(item, interfaces_down_test[item]), assertmsg
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r1.vtysh_cmd("conf t\ninterface r1-eth3\nno shutdown")
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r1.vtysh_cmd("conf t\ninterface r1-eth4\nno shutdown")
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for item in interfaces_up_test.keys():
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assertmsg = "{} should be {}: value {}".format(
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item, interfaces_up_test[item], r1_snmp.get_next(item)
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)
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assert r1_snmp.test_oid(item, interfaces_up_test[item]), assertmsg
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def router_interface_get_ifindex(router, interface):
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ifindex = 0
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r_int_output = router.vtysh_cmd(
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"show interface {}-{}".format(router.name, interface)
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)
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int_lines = r_int_output.splitlines()
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for line in int_lines:
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line_items = line.lstrip().split(" ")
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if "index" in line_items[0]:
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ifindex = line_items[1]
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return ifindex
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def generate_vrf_ifindex_oid(vrf, ifindex):
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intoid = snmp_uint32_to_oid(int(ifindex))
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vrfoid = snmp_str_to_oid(vrf)
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oid = "{}.{}".format(vrfoid, intoid)
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return oid
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def generate_vrf_index_type_oid(vrf, index, type):
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vrfoid = snmp_str_to_oid(vrf)
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intoid = snmp_uint32_to_oid(int(index))
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oid = "{}.{}.{}".format(vrfoid, intoid, type)
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return oid
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iftable_up_test = {
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"mplsL3VpnIfVpnClassification": ["enterprise(2)", "enterprise(2)", "enterprise(2)"],
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"mplsL3VpnIfConfStorageType": ["volatile(2)", "volatile(2)", "volatile(2)"],
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"mplsL3VpnIfConfRowStatus": ["active(1)", "active(1)", "active(1)"],
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}
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def get_timetick_val(time):
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return int(time.split(" ")[0].lstrip("(").rstrip(")"))
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||
|
|
|
||
|
|
def test_r1_mplsvpn_IfTable():
|
||
|
|
"mplsL3VpnIf table values"
|
||
|
|
|
||
|
|
tgen = get_topogen()
|
||
|
|
r1 = tgen.gears["r1"]
|
||
|
|
|
||
|
|
r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
|
||
|
|
|
||
|
|
# tgen.mininet_cli()
|
||
|
|
eth3_ifindex = router_interface_get_ifindex(r1, "eth3")
|
||
|
|
eth4_ifindex = router_interface_get_ifindex(r1, "eth4")
|
||
|
|
eth5_ifindex = router_interface_get_ifindex(r1, "eth5")
|
||
|
|
|
||
|
|
# get ifindex and make sure the oid is correct
|
||
|
|
|
||
|
|
oids = []
|
||
|
|
# generate oid
|
||
|
|
oids.append(generate_vrf_ifindex_oid("VRF-a", eth3_ifindex))
|
||
|
|
oids.append(generate_vrf_ifindex_oid("VRF-a", eth4_ifindex))
|
||
|
|
oids.append(generate_vrf_ifindex_oid("VRF-b", eth5_ifindex))
|
||
|
|
|
||
|
|
for item in iftable_up_test.keys():
|
||
|
|
assertmsg = "{} should be {} oids {} full dict {}:".format(
|
||
|
|
item, iftable_up_test[item], oids, r1_snmp.walk(item)
|
||
|
|
)
|
||
|
|
assert r1_snmp.test_oid_walk(item, iftable_up_test[item], oids), assertmsg
|
||
|
|
|
||
|
|
# an inactive vrf should not affect these values
|
||
|
|
r1.cmd("ip link set r1-eth5 down")
|
||
|
|
|
||
|
|
for item in iftable_up_test.keys():
|
||
|
|
assertmsg = "{} should be {} oids {} full dict {}:".format(
|
||
|
|
item, iftable_up_test[item], oids, r1_snmp.walk(item)
|
||
|
|
)
|
||
|
|
assert r1_snmp.test_oid_walk(item, iftable_up_test[item], oids), assertmsg
|
||
|
|
|
||
|
|
r1.cmd("ip link set r1-eth5 up")
|
||
|
|
|
||
|
|
|
||
|
|
vrftable_test = {
|
||
|
|
"mplsL3VpnVrfDescription": ["VRF-a", "VRF-b"],
|
||
|
|
"mplsL3VpnVrfRD": ['"10:1"', '"10:2"'],
|
||
|
|
"mplsL3VpnVrfOperStatus": ["up(1)", "up(1)"],
|
||
|
|
"mplsL3VpnVrfActiveInterfaces": ["2", "1"],
|
||
|
|
"mplsL3VpnVrfAssociatedInterfaces": ["2", "1"],
|
||
|
|
"mplsL3VpnVrfConfMidRteThresh": ["0", "0"],
|
||
|
|
"mplsL3VpnVrfConfHighRteThresh": ["0", "0"],
|
||
|
|
"mplsL3VpnVrfConfMaxRoutes": ["0", "0"],
|
||
|
|
"mplsL3VpnVrfConfRowStatus": ["active(1)", "active(1)"],
|
||
|
|
"mplsL3VpnVrfConfAdminStatus": ["up(1)", "up(1)"],
|
||
|
|
"mplsL3VpnVrfConfStorageType": ["volatile(2)", "volatile(2)"],
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
def test_r1_mplsvpn_VrfTable():
|
||
|
|
tgen = get_topogen()
|
||
|
|
|
||
|
|
r1 = tgen.gears["r1"]
|
||
|
|
|
||
|
|
r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
|
||
|
|
|
||
|
|
# tgen.mininet_cli()
|
||
|
|
|
||
|
|
oids = []
|
||
|
|
|
||
|
|
oids.append(snmp_str_to_oid("VRF-a"))
|
||
|
|
oids.append(snmp_str_to_oid("VRF-b"))
|
||
|
|
|
||
|
|
# check items
|
||
|
|
for item in vrftable_test.keys():
|
||
|
|
assertmsg = "{} should be {} oids {} full dict {}:".format(
|
||
|
|
item, vrftable_test[item], oids, r1_snmp.walk(item)
|
||
|
|
)
|
||
|
|
assert r1_snmp.test_oid_walk(item, vrftable_test[item], oids), assertmsg
|
||
|
|
|
||
|
|
# check timetick set and stable
|
||
|
|
ts_a = r1_snmp.get("mplsL3VpnVrfCreationTime.{}".format(snmp_str_to_oid("VRF-a")))
|
||
|
|
ts_b = r1_snmp.get("mplsL3VpnVrfCreationTime.{}".format(snmp_str_to_oid("VRF-b")))
|
||
|
|
ts_val_a1 = get_timetick_val(ts_a)
|
||
|
|
ts_val_b1 = get_timetick_val(ts_b)
|
||
|
|
ts_a = r1_snmp.get("mplsL3VpnVrfCreationTime.{}".format(snmp_str_to_oid("VRF-a")))
|
||
|
|
ts_b = r1_snmp.get("mplsL3VpnVrfCreationTime.{}".format(snmp_str_to_oid("VRF-b")))
|
||
|
|
ts_val_a2 = get_timetick_val(ts_a)
|
||
|
|
ts_val_b2 = get_timetick_val(ts_b)
|
||
|
|
|
||
|
|
assertmsg = "timestamp values for VRF-a do not match {} {}".format(
|
||
|
|
ts_val_a1, ts_val_a2
|
||
|
|
)
|
||
|
|
assert ts_val_a1 == ts_val_a2, assertmsg
|
||
|
|
assertmsg = "timestamp values for VRF-b do not match {} {}".format(
|
||
|
|
ts_val_b1, ts_val_b2
|
||
|
|
)
|
||
|
|
assert ts_val_b1 == ts_val_b2, assertmsg
|
||
|
|
|
||
|
|
# take Last changed time, fiddle with active interfaces, ensure
|
||
|
|
# time changes and active interfaces change
|
||
|
|
ts_last = r1_snmp.get(
|
||
|
|
"mplsL3VpnVrfConfLastChanged.{}".format(snmp_str_to_oid("VRF-a"))
|
||
|
|
)
|
||
|
|
ts_val_last_1 = get_timetick_val(ts_last)
|
||
|
|
r1.vtysh_cmd("conf t\ninterface r1-eth3\nshutdown")
|
||
|
|
active_int = r1_snmp.get(
|
||
|
|
"mplsL3VpnVrfActiveInterfaces.{}".format(snmp_str_to_oid("VRF-a"))
|
||
|
|
)
|
||
|
|
assertmsg = "mplsL3VpnVrfActiveInterfaces incorrect should be 1 value {}".format(
|
||
|
|
active_int
|
||
|
|
)
|
||
|
|
assert active_int == "1", assertmsg
|
||
|
|
|
||
|
|
ts_last = r1_snmp.get(
|
||
|
|
"mplsL3VpnVrfConfLastChanged.{}".format(snmp_str_to_oid("VRF-a"))
|
||
|
|
)
|
||
|
|
ts_val_last_2 = get_timetick_val(ts_last)
|
||
|
|
assertmsg = "mplsL3VpnVrfConfLastChanged does not update on interface change"
|
||
|
|
assert ts_val_last_2 > ts_val_last_1, assertmsg
|
||
|
|
r1.vtysh_cmd("conf t\ninterface r1-eth3\nno shutdown")
|
||
|
|
|
||
|
|
# take Last changed time, fiddle with associated interfaces, ensure
|
||
|
|
# time changes and active interfaces change
|
||
|
|
ts_last = r1_snmp.get(
|
||
|
|
"mplsL3VpnVrfConfLastChanged.{}".format(snmp_str_to_oid("VRF-a"))
|
||
|
|
)
|
||
|
|
ts_val_last_1 = get_timetick_val(ts_last)
|
||
|
|
r1.cmd("ip link set r1-eth6 master VRF-a")
|
||
|
|
r1.cmd("ip link set r1-eth6 up")
|
||
|
|
|
||
|
|
associated_int = r1_snmp.get(
|
||
|
|
"mplsL3VpnVrfAssociatedInterfaces.{}".format(snmp_str_to_oid("VRF-a"))
|
||
|
|
)
|
||
|
|
assertmsg = (
|
||
|
|
"mplsL3VpnVrfAssociatedInterfaces incorrect should be 3 value {}".format(
|
||
|
|
associated_int
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
assert associated_int == "3", assertmsg
|
||
|
|
ts_last = r1_snmp.get(
|
||
|
|
"mplsL3VpnVrfConfLastChanged.{}".format(snmp_str_to_oid("VRF-a"))
|
||
|
|
)
|
||
|
|
ts_val_last_2 = get_timetick_val(ts_last)
|
||
|
|
assertmsg = "mplsL3VpnVrfConfLastChanged does not update on interface change"
|
||
|
|
assert ts_val_last_2 > ts_val_last_1, assertmsg
|
||
|
|
r1.cmd("ip link del r1-eth6 master VRF-a")
|
||
|
|
r1.cmd("ip link set r1-eth6 down")
|
||
|
|
|
||
|
|
|
||
|
|
rt_table_test = {
|
||
|
|
"mplsL3VpnVrfRT": ['"1:1"', '"1:2"'],
|
||
|
|
"mplsL3VpnVrfRTDescr": ["RT both for VRF VRF-a", "RT both for VRF VRF-b"],
|
||
|
|
"mplsL3VpnVrfRTRowStatus": ["active(1)", "active(1)"],
|
||
|
|
"mplsL3VpnVrfRTStorageType": ["volatile(2)", "volatile(2)"],
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
def test_r1_mplsvpn_VrfRT_table():
|
||
|
|
tgen = get_topogen()
|
||
|
|
|
||
|
|
r1 = tgen.gears["r1"]
|
||
|
|
|
||
|
|
r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
|
||
|
|
|
||
|
|
oids = []
|
||
|
|
oids.append(generate_vrf_index_type_oid("VRF-a", 1, 3))
|
||
|
|
oids.append(generate_vrf_index_type_oid("VRF-b", 1, 3))
|
||
|
|
|
||
|
|
# check items
|
||
|
|
for item in rt_table_test.keys():
|
||
|
|
print(item)
|
||
|
|
assertmsg = "{} should be {} oids {} full dict {}:".format(
|
||
|
|
item, rt_table_test[item], oids, r1_snmp.walk(item)
|
||
|
|
)
|
||
|
|
assert r1_snmp.test_oid_walk(item, rt_table_test[item], oids), assertmsg
|
||
|
|
|
||
|
|
|
||
|
|
def test_r1_mplsvpn_perf_table():
|
||
|
|
tgen = get_topogen()
|
||
|
|
|
||
|
|
r1 = tgen.gears["r1"]
|
||
|
|
|
||
|
|
r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
|
||
|
|
|
||
|
|
# tgen.mininet_cli()
|
||
|
|
oid_a = snmp_str_to_oid("VRF-a")
|
||
|
|
oid_b = snmp_str_to_oid("VRF-b")
|
||
|
|
|
||
|
|
# poll for 10 seconds for routes to appear
|
||
|
|
count = 0
|
||
|
|
passed = False
|
||
|
|
while count < 60:
|
||
|
|
if r1_snmp.test_oid_walk(
|
||
|
|
"mplsL3VpnVrfPerfCurrNumRoutes.{}".format(oid_a), ["7"]
|
||
|
|
):
|
||
|
|
passed = True
|
||
|
|
break
|
||
|
|
count += 1
|
||
|
|
sleep(1)
|
||
|
|
# tgen.mininet_cli()
|
||
|
|
assertmsg = "mplsL3VpnVrfPerfCurrNumRoutes shouold be 7 got {}".format(
|
||
|
|
r1_snmp.get("mplsL3VpnVrfPerfCurrNumRoutes.{}".format(oid_a))
|
||
|
|
)
|
||
|
|
assert passed, assertmsg
|
||
|
|
curr_a = int(r1_snmp.get("mplsL3VpnVrfPerfCurrNumRoutes.{}".format(oid_a)))
|
||
|
|
del_a = int(r1_snmp.get("mplsL3VpnVrfPerfRoutesDeleted.{}".format(oid_a)))
|
||
|
|
add_a = int(r1_snmp.get("mplsL3VpnVrfPerfRoutesAdded.{}".format(oid_a)))
|
||
|
|
|
||
|
|
assertmsg = "FAIL curr{} does not equal added{} - deleted {}".format(
|
||
|
|
curr_a, add_a, del_a
|
||
|
|
)
|
||
|
|
assert curr_a == (add_a - del_a), assertmsg
|
||
|
|
curr_b = int(r1_snmp.get("mplsL3VpnVrfPerfCurrNumRoutes.{}".format(oid_b)))
|
||
|
|
del_b = int(r1_snmp.get("mplsL3VpnVrfPerfRoutesDeleted.{}".format(oid_b)))
|
||
|
|
add_b = int(r1_snmp.get("mplsL3VpnVrfPerfRoutesAdded.{}".format(oid_b)))
|
||
|
|
assertmsg = "FAIL curr{} does not equal added{} - deleted {}".format(
|
||
|
|
curr_b, add_b, del_b
|
||
|
|
)
|
||
|
|
assert curr_b == (add_b - del_b), assertmsg
|
||
|
|
|
||
|
|
|
||
|
|
rte_table_test = {
|
||
|
|
"mplsL3VpnVrfRteInetCidrDestType": [
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrDest": [
|
||
|
|
"0A 05 05 05",
|
||
|
|
"0A 07 07 07",
|
||
|
|
"C0 A8 22 00",
|
||
|
|
"C0 A8 64 00",
|
||
|
|
"C0 A8 64 00",
|
||
|
|
"C0 A8 C8 00",
|
||
|
|
"C0 A8 C8 00",
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrPfxLen": ["32", "32", "24", "24", "24", "24", "24"],
|
||
|
|
"mplsL3VpnVrfRteInetCidrNHopType": [
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"unknown(0)",
|
||
|
|
"ipv4(1)",
|
||
|
|
"unknown(0)",
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrNextHop": [
|
||
|
|
"C0 A8 64 0A",
|
||
|
|
"C0 A8 C8 0A",
|
||
|
|
"0A 04 04 04",
|
||
|
|
"C0 A8 64 0A",
|
||
|
|
'""',
|
||
|
|
"C0 A8 C8 0A",
|
||
|
|
'""',
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrType": [
|
||
|
|
"local(3)",
|
||
|
|
"local(3)",
|
||
|
|
"remote(4)",
|
||
|
|
"local(3)",
|
||
|
|
"other(1)",
|
||
|
|
"local(3)",
|
||
|
|
"other(1)",
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrProto": [
|
||
|
|
"bgp(14)",
|
||
|
|
"bgp(14)",
|
||
|
|
"bgp(14)",
|
||
|
|
"bgp(14)",
|
||
|
|
"local(2)",
|
||
|
|
"bgp(14)",
|
||
|
|
"local(2)",
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrNextHopAS": [
|
||
|
|
"65001",
|
||
|
|
"65001",
|
||
|
|
"0",
|
||
|
|
"65001",
|
||
|
|
"0",
|
||
|
|
"65001",
|
||
|
|
"0",
|
||
|
|
],
|
||
|
|
"mplsL3VpnVrfRteInetCidrMetric1": ["0", "0", "20", "0", "0", "0", "0"],
|
||
|
|
"mplsL3VpnVrfRteInetCidrMetric2": ["-1", "-1", "-1", "-1", "-1", "-1", "-1"],
|
||
|
|
"mplsL3VpnVrfRteInetCidrMetric3": ["-1", "-1", "-1", "-1", "-1", "-1", "-1"],
|
||
|
|
"mplsL3VpnVrfRteInetCidrMetric4": ["-1", "-1", "-1", "-1", "-1", "-1", "-1"],
|
||
|
|
"mplsL3VpnVrfRteInetCidrMetric5": ["-1", "-1", "-1", "-1", "-1", "-1", "-1"],
|
||
|
|
"mplsL3VpnVrfRteXCPointer": ["00", "00", "00", "00", "00", "00", "00"],
|
||
|
|
"mplsL3VpnVrfRteInetCidrStatus": [
|
||
|
|
"active(1)",
|
||
|
|
"active(1)",
|
||
|
|
"active(1)",
|
||
|
|
"active(1)",
|
||
|
|
"active(1)",
|
||
|
|
"active(1)",
|
||
|
|
"active(1)",
|
||
|
|
],
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
def test_r1_mplsvpn_rte_table():
|
||
|
|
tgen = get_topogen()
|
||
|
|
|
||
|
|
r1 = tgen.gears["r1"]
|
||
|
|
|
||
|
|
r1_snmp = SnmpTester(r1, "10.1.1.1", "public", "2c")
|
||
|
|
|
||
|
|
# tgen.mininet_cli()
|
||
|
|
oid_1 = snmp_rte_oid("VRF-a", 1, "10.5.5.5", 32, 0, 1, "192.168.100.10")
|
||
|
|
oid_2 = snmp_rte_oid("VRF-a", 1, "10.7.7.7", 32, 0, 1, "192.168.200.10")
|
||
|
|
oid_3 = snmp_rte_oid("VRF-a", 1, "192.168.34.0", 24, 0, 1, "10.4.4.4")
|
||
|
|
oid_4 = snmp_rte_oid("VRF-a", 1, "192.168.100.0", 24, 1, 1, "192.168.100.10")
|
||
|
|
oid_4_a = snmp_rte_oid("VRF-a", 1, "192.168.100.0", 24, 0, 1, "192.168.100.10")
|
||
|
|
oid_5 = snmp_rte_oid("VRF-a", 1, "192.168.100.0", 24, 0, 0)
|
||
|
|
oid_5_a = snmp_rte_oid("VRF-a", 1, "192.168.100.0", 24, 1, 0)
|
||
|
|
oid_6 = snmp_rte_oid("VRF-a", 1, "192.168.200.0", 24, 1, 1, "192.168.200.10")
|
||
|
|
oid_6_a = snmp_rte_oid("VRF-a", 1, "192.168.200.0", 24, 0, 1, "192.168.200.10")
|
||
|
|
oid_7 = snmp_rte_oid("VRF-a", 1, "192.168.200.0", 24, 0, 0)
|
||
|
|
oid_7_a = snmp_rte_oid("VRF-a", 1, "192.168.200.0", 24, 1, 0)
|
||
|
|
|
||
|
|
oid_lists = [
|
||
|
|
[oid_1, oid_2, oid_3, oid_4, oid_5, oid_6, oid_7],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4_a, oid_5_a, oid_6, oid_7],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4, oid_5, oid_6_a, oid_7_a],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4_a, oid_5_a, oid_6_a, oid_7_a],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4, oid_5, oid_6, oid_7],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4_a, oid_5_a, oid_6, oid_7],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4, oid_5, oid_6_a, oid_7_a],
|
||
|
|
[oid_1, oid_2, oid_3, oid_4_a, oid_5_a, oid_6_a, oid_7_a],
|
||
|
|
]
|
||
|
|
|
||
|
|
# check items
|
||
|
|
|
||
|
|
passed = False
|
||
|
|
for oid_list in oid_lists:
|
||
|
|
passed = True
|
||
|
|
for item in rte_table_test.keys():
|
||
|
|
print(item)
|
||
|
|
assertmsg = "{} should be {} oids {} full dict {}:".format(
|
||
|
|
item, rte_table_test[item], oid_list, r1_snmp.walk(item)
|
||
|
|
)
|
||
|
|
if not r1_snmp.test_oid_walk(item, rte_table_test[item], oid_list):
|
||
|
|
passed = False
|
||
|
|
break
|
||
|
|
print(
|
||
|
|
"{} should be {} oids {} full dict {}:".format(
|
||
|
|
item, rte_table_test[item], oid_list, r1_snmp.walk(item)
|
||
|
|
)
|
||
|
|
)
|
||
|
|
if passed:
|
||
|
|
break
|
||
|
|
# generate ifindex row grabbing ifindices from vtysh
|
||
|
|
if passed:
|
||
|
|
ifindex_row = [
|
||
|
|
router_interface_get_ifindex(r1, "eth3"),
|
||
|
|
router_interface_get_ifindex(r1, "eth4"),
|
||
|
|
router_interface_get_ifindex(r1, "eth2"),
|
||
|
|
router_interface_get_ifindex(r1, "eth3"),
|
||
|
|
"0",
|
||
|
|
router_interface_get_ifindex(r1, "eth4"),
|
||
|
|
"0",
|
||
|
|
]
|
||
|
|
if not r1_snmp.test_oid_walk(
|
||
|
|
"mplsL3VpnVrfRteInetCidrIfIndex", ifindex_row, oid_list
|
||
|
|
):
|
||
|
|
passed = False
|
||
|
|
|
||
|
|
print("passed {}".format(passed))
|
||
|
|
assert passed, assertmsg
|
||
|
|
|
||
|
|
|
||
|
|
def test_memory_leak():
|
||
|
|
"Run the memory leak test and report results."
|
||
|
|
tgen = get_topogen()
|
||
|
|
if not tgen.is_memleak_enabled():
|
||
|
|
pytest.skip("Memory leak test/report is disabled")
|
||
|
|
|
||
|
|
tgen.report_memory_leaks()
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
args = ["-s"] + sys.argv[1:]
|
||
|
|
sys.exit(pytest.main(args))
|