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Merge pull request #13258 from donaldsharp/evpn_ping

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Evpn ping
This commit is contained in:
Mark Stapp 2023-04-11 16:15:44 -04:00 committed by GitHub
commit f827dc810c
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2 changed files with 50 additions and 18 deletions
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50
tests/topotests/bgp_evpn_vxlan_svd_topo1/test_bgp_evpn_vxlan_svd.py
View File

@ -83,6 +83,7 @@ def build_topo(tgen):
switch.add_link(tgen.gears["PE2"])
switch.add_link(tgen.gears["host2"])
def setup_pe_router(tgen, pe_name, tunnel_local_ip, svi_ip, intf):
pe = tgen.gears[pe_name]
@ -100,7 +101,9 @@ def setup_pe_router(tgen, pe_name, tunnel_local_ip, svi_ip, intf):
# setup single vxlan device
pe.run(
"ip link add dev vxlan0 type vxlan dstport 4789 local {0} nolearning external".format(tunnel_local_ip)
"ip link add dev vxlan0 type vxlan dstport 4789 local {0} nolearning external".format(
tunnel_local_ip
)
)
pe.run("ip link set dev vxlan0 master bridge")
pe.run("bridge link set dev vxlan0 vlan_tunnel on")
@ -136,10 +139,12 @@ def setup_pe_router(tgen, pe_name, tunnel_local_ip, svi_ip, intf):
pe.run("bridge vlan add dev vxlan0 vid 300")
pe.run("bridge vlan add dev vxlan0 vid 300 tunnel_info id 300")
def setup_p_router(tgen, p_name):
p1 = tgen.gears[p_name]
p1.run("sysctl -w net.ipv4.ip_forward=1")
def setup_module(mod):
"Sets up the pytest environment"
@ -180,7 +185,7 @@ def teardown_module(mod):
"Teardown the pytest environment"
tgen = get_topogen()
#tgen.mininet_cli()
# tgen.mininet_cli()
# This function tears down the whole topology.
tgen.stop_topology()
@ -204,17 +209,21 @@ def check_vni_macs_present(tgen, router, vni, maclist):
)
return None
def check_flood_entry_present(pe, vni, vtep):
if not topotest.iproute2_is_fdb_get_capable():
return None
output = pe.run("bridge fdb get 00:00:00:00:00:00 dev vxlan0 vni {} self".format(vni))
output = pe.run(
"bridge fdb get 00:00:00:00:00:00 dev vxlan0 vni {} self".format(vni)
)
if str(vtep) not in output:
return output
return None
def test_pe1_converge_evpn():
"Wait for protocol convergence"
@ -231,6 +240,15 @@ def test_pe1_converge_evpn():
_, result = topotest.run_and_expect(test_func, None, count=45, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(pe1.name)
# Let's ensure that the hosts have actually tried talking to
# each other. Otherwise under certain startup conditions
# they may not actually do any l2 arp'ing and as such
# the bridges won't know about the hosts on their networks
host1 = tgen.gears["host1"]
host1.run("ping -c 1 10.10.1.56")
host2 = tgen.gears["host2"]
host2.run("ping -c 1 10.10.1.55")
test_func = partial(
check_vni_macs_present,
tgen,
@ -249,11 +267,12 @@ def test_pe1_converge_evpn():
assertmsg = '"{}" Flood FDB Entry for VTEP {} not found'.format(pe1.name, vtep)
assert result is None, assertmsg
def test_pe2_converge_evpn():
"Wait for protocol convergence"
tgen = get_topogen()
#Don't run this test if we have any failure.
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
@ -284,6 +303,7 @@ def test_pe2_converge_evpn():
assertmsg = '"{}" Flood FDB Entry for VTEP {} not found'.format(pe2.name, vtep)
assert result is None, assertmsg
def mac_learn_test(host, local):
"check the host MAC gets learned by the VNI"
@ -389,11 +409,11 @@ def ip_learn_test(tgen, host, local, remote, ip_addr):
if "HWaddr" in line_items[0]:
mac = line_items[1]
break
#print(host_output)
# print(host_output)
# check we have a local association between the MAC and IP
local_output = local.vtysh_cmd("show evpn mac vni 101 mac {} json".format(mac))
#print(local_output)
# print(local_output)
local_output_json = json.loads(local_output)
mac_type = local_output_json[mac]["type"]
assertmsg = "Failed to learn local IP address on host {}".format(host.name)
@ -417,7 +437,7 @@ def ip_learn_test(tgen, host, local, remote, ip_addr):
remote_output = remote.vtysh_cmd(
"show evpn mac vni 101 mac {} json".format(mac)
)
#print(remote_output)
# print(remote_output)
remote_output_json = json.loads(remote_output)
type = remote_output_json[mac]["type"]
if not remote_output_json[mac]["neighbors"] == "none":
@ -431,12 +451,12 @@ def ip_learn_test(tgen, host, local, remote, ip_addr):
count += 1
sleep(1)
#print("tries: {}".format(count))
# print("tries: {}".format(count))
assertmsg = "{} remote learned mac no address: {} ".format(host.name, mac)
# some debug for this failure
if not converged == True:
log_output = remote.run("cat zebra.log")
#print(log_output)
# print(log_output)
assert converged == True, assertmsg
if remote_output_json[mac]["neighbors"]["active"]:
@ -463,8 +483,8 @@ def test_ip_pe1_learn():
host1 = tgen.gears["host1"]
pe1 = tgen.gears["PE1"]
pe2 = tgen.gears["PE2"]
#pe2.vtysh_cmd("debug zebra vxlan")
#pe2.vtysh_cmd("debug zebra kernel")
# pe2.vtysh_cmd("debug zebra vxlan")
# pe2.vtysh_cmd("debug zebra kernel")
# lets populate that arp cache
host1.run("ping -c1 10.10.1.1")
ip_learn_test(tgen, host1, pe1, pe2, "10.10.1.55")
@ -482,13 +502,14 @@ def test_ip_pe2_learn():
host2 = tgen.gears["host2"]
pe1 = tgen.gears["PE1"]
pe2 = tgen.gears["PE2"]
#pe1.vtysh_cmd("debug zebra vxlan")
#pe1.vtysh_cmd("debug zebra kernel")
# pe1.vtysh_cmd("debug zebra vxlan")
# pe1.vtysh_cmd("debug zebra kernel")
# lets populate that arp cache
host2.run("ping -c1 10.10.1.3")
ip_learn_test(tgen, host2, pe2, pe1, "10.10.1.56")
# tgen.mininet_cli()
def show_dvni_route(pe, vni, prefix, vrf):
output = pe.vtysh_cmd("show ip route vrf {} {}".format(vrf, prefix))
@ -502,6 +523,7 @@ def show_dvni_route(pe, vni, prefix, vrf):
return None
def test_dvni():
"test Downstream VNI works as expected importing into PE1"
@ -517,7 +539,7 @@ def test_dvni():
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
assertmsg = '"{}" DVNI route {} not found'.format(pe1.name, prefix)
assert result is None, assertmsg
#tgen.mininet_cli()
# tgen.mininet_cli()
def test_memory_leak():

18
tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py
View File

@ -164,6 +164,15 @@ def test_pe1_converge_evpn():
_, result = topotest.run_and_expect(test_func, None, count=45, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(pe1.name)
# Let's ensure that the hosts have actually tried talking to
# each other. Otherwise under certain startup conditions
# they may not actually do any l2 arp'ing and as such
# the bridges won't know about the hosts on their networks
host1 = tgen.gears["host1"]
host1.run("ping -c 1 10.10.1.56")
host2 = tgen.gears["host2"]
host2.run("ping -c 1 10.10.1.55")
test_func = partial(
check_vni_macs_present,
tgen,
@ -171,6 +180,7 @@ def test_pe1_converge_evpn():
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)
@ -385,8 +395,8 @@ def test_ip_pe1_learn():
host1 = tgen.gears["host1"]
pe1 = tgen.gears["PE1"]
pe2 = tgen.gears["PE2"]
#pe2.vtysh_cmd("debug zebra vxlan")
#pe2.vtysh_cmd("debug zebra kernel")
# pe2.vtysh_cmd("debug zebra vxlan")
# pe2.vtysh_cmd("debug zebra kernel")
# lets populate that arp cache
host1.run("ping -c1 10.10.1.1")
ip_learn_test(tgen, host1, pe1, pe2, "10.10.1.55")
@ -404,8 +414,8 @@ def test_ip_pe2_learn():
host2 = tgen.gears["host2"]
pe1 = tgen.gears["PE1"]
pe2 = tgen.gears["PE2"]
#pe1.vtysh_cmd("debug zebra vxlan")
#pe1.vtysh_cmd("debug zebra kernel")
# pe1.vtysh_cmd("debug zebra vxlan")
# pe1.vtysh_cmd("debug zebra kernel")
# lets populate that arp cache
host2.run("ping -c1 10.10.1.3")
ip_learn_test(tgen, host2, pe2, pe1, "10.10.1.56")