diff --git a/tests/topotests/bgp_evpn_vxlan_svd_topo1/test_bgp_evpn_vxlan_svd.py b/tests/topotests/bgp_evpn_vxlan_svd_topo1/test_bgp_evpn_vxlan_svd.py index 8b9631175a..65c0c3532a 100755 --- a/tests/topotests/bgp_evpn_vxlan_svd_topo1/test_bgp_evpn_vxlan_svd.py +++ b/tests/topotests/bgp_evpn_vxlan_svd_topo1/test_bgp_evpn_vxlan_svd.py @@ -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(): diff --git a/tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py b/tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py index 6561833d6e..2884043012 100755 --- a/tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py +++ b/tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py @@ -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")