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tests: improve vxlan test determinism

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Signed-off-by: Christian Hopps <chopps@labn.net>
This commit is contained in:
Christian Hopps 2021-07-18 18:03:53 +00:00
parent 49549fe2d7
commit bc51ce6810
3 changed files with 32 additions and 9 deletions
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2
tests/topotests/bgp_evpn_vxlan_topo1/PE1/evpn.vni.json
View File

@ -6,8 +6,6 @@
"vtepIp":"10.10.10.10",
"mcastGroup":"0.0.0.0",
"advertiseGatewayMacip":"No",
"numMacs":6,
"numArpNd":6,
"numRemoteVteps":[
"10.30.30.30"
]

2
tests/topotests/bgp_evpn_vxlan_topo1/PE2/evpn.vni.json
View File

@ -6,8 +6,6 @@
"vtepIp":"10.30.30.30",
"mcastGroup":"0.0.0.0",
"advertiseGatewayMacip":"No",
"numMacs":6,
"numArpNd":6,
"numRemoteVteps":[
"10.10.10.10"
]

37
tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py
View File

@ -28,6 +28,7 @@ test_bgp_evpn_vxlan.py: Test VXLAN EVPN MAC a route signalling over BGP.
import os
import sys
import json
import re
from functools import partial
from time import sleep
import pytest
@ -156,6 +157,17 @@ def show_vni_json_elide_ifindex(pe, vni, expected):
return topotest.json_cmp(output_json, expected)
def check_vni_macs_present(tgen, router, vni, maclist):
result = router.vtysh_cmd("show evpn mac vni {} json".format(vni), isjson=True)
for rname, ifname in maclist:
m = tgen.net.macs[(rname, ifname)]
if m not in result["macs"]:
return "MAC ({}) for interface {} on {} missing on {} from {}".format(
m, ifname, rname, router.name, json.dumps(result, indent=4)
)
return None
def test_pe1_converge_evpn():
"Wait for protocol convergence"
@ -169,10 +181,17 @@ def test_pe1_converge_evpn():
expected = json.loads(open(json_file).read())
test_func = partial(show_vni_json_elide_ifindex, pe1, 101, expected)
_, result = topotest.run_and_expect(test_func, None, count=125, wait=1)
_, result = topotest.run_and_expect(test_func, None, count=45, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(pe1.name)
assert result is None, assertmsg
# tgen.mininet_cli()
test_func = partial(check_vni_macs_present, tgen, pe1, 101, (
("host1", "host1-eth0"),
("host2", "host2-eth0")
))
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
if result:
logger.warning("%s", result)
assert None, '"{}" missing expected MACs'.format(pe1.name)
def test_pe2_converge_evpn():
@ -188,10 +207,18 @@ def test_pe2_converge_evpn():
expected = json.loads(open(json_file).read())
test_func = partial(show_vni_json_elide_ifindex, pe2, 101, expected)
_, result = topotest.run_and_expect(test_func, None, count=125, wait=1)
_, result = topotest.run_and_expect(test_func, None, count=45, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(pe2.name)
assert result is None, assertmsg
# tgen.mininet_cli()
test_func = partial(check_vni_macs_present, tgen, pe2, 101, (
("host1", "host1-eth0"),
("host2", "host2-eth0")
))
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
if result:
logger.warning("%s", result)
assert None, '"{}" missing expected MACs'.format(pe2.name)
def mac_learn_test(host, local):