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tests: Adding EVPN-GR scenario to evpn_type5 suite
1. Adding EVPN-GR scenario to evpn_type5 suite Signed-off-by: Kuldeep Kashyap <kashyapk@vmware.com>
This commit is contained in:
Kuldeep Kashyap
parent
341e1d6e0a
commit
cbeda33d01
@ -70,6 +70,8 @@ from lib.common_config import (
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configure_vxlan,
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configure_brctl,
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create_interface_in_kernel,
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kill_router_daemons,
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start_router_daemons
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)
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from lib.topolog import logger
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@ -1755,6 +1757,221 @@ def test_route_map_operations_for_evpn_address_family_p1(request, attribute):
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write_test_footer(tc_name)
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def test_evpn_address_family_with_graceful_restart_p0(request):
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"""
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Verify Graceful-restart function for EVPN address-family.
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"""
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tgen = get_topogen()
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tc_name = request.node.name
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write_test_header(tc_name)
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check_router_status(tgen)
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reset_config_on_routers(tgen)
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add_default_routes(tgen)
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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for addr_type in ADDR_TYPES:
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input_dict_1 = {
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"r3": {
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"static_routes": [{
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"network": NETWORK1_2[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "RED"
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}]
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},
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"r4":{
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"static_routes": [{
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"network": NETWORK1_3[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "BLUE"
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},
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{
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"network": NETWORK1_4[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "GREEN"
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}]
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}
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}
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result = create_static_routes(tgen, input_dict_1)
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assert result is True, 'Testcase {} : Failed \n Error: {}'.format(
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tc_name, result)
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step("Redistribute static in (IPv4 and IPv6) address-family "
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"on Edge-1 for all VRFs.")
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input_dict_2={}
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for dut in ["r3", "r4"]:
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temp = {dut: {"bgp": []}}
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input_dict_2.update(temp)
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if dut == "r3":
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VRFS = ["RED"]
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AS_NUM = [3]
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if dut == "r4":
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VRFS = ["BLUE", "GREEN"]
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AS_NUM = [4, 4]
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for vrf, as_num in zip(VRFS, AS_NUM):
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temp[dut]["bgp"].append(
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{
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"local_as": as_num,
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"vrf": vrf,
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"address_family": {
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"ipv4": {
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"unicast": {
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"redistribute": [{
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"redist_type": "static"
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}]
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}
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},
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"ipv6": {
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"unicast": {
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"redistribute": [{
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"redist_type": "static"
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}]
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}
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}
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}
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})
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result = create_router_bgp(tgen, topo, input_dict_2)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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step("Verify on router Edge-1 that EVPN routes corresponding to "
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"all VRFs are received from both routers DCG-1 and DCG-2")
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for addr_type in ADDR_TYPES:
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input_routes = {
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"r3": {
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"static_routes": [{
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"network": NETWORK1_2[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "RED"
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}]
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},
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"r4":{
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"static_routes": [{
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"network": NETWORK1_3[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "BLUE"
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},
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{
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"network": NETWORK1_4[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "GREEN"
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}]
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}
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}
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result = verify_rib(tgen, addr_type, "e1", input_routes)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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step("Configure DCG-2 as GR restarting node for EVPN session between"
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" DCG-2 and EDGE-1, following by a session reset using 'clear bgp *'"
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" command.")
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input_dict_gr = {
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"d2": {
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"bgp":
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[
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{
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"local_as": "200",
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"graceful-restart": {
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"graceful-restart": True,
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}
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}
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]
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}
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}
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result = create_router_bgp(tgen, topo, input_dict_gr)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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step("Verify that DCG-2 changes it's role to GR-restarting router "
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"and EDGE-1 becomes the GR-helper.")
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step("Kill BGPd daemon on DCG-2.")
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kill_router_daemons(tgen, "d2", ["bgpd"])
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step("Verify that EDGE-1 keep stale entries for EVPN RT-5 routes "
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"received from DCG-2 before the restart.")
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for addr_type in ADDR_TYPES:
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input_routes = {
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"r4":{
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"static_routes": [{
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"network": NETWORK1_3[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "BLUE"
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},
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{
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"network": NETWORK1_4[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "GREEN"
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}]
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}
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}
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result = verify_evpn_routes(tgen, topo, "e1", input_routes)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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step("Verify that DCG-2 keeps BGP routes in Zebra until BGPd "
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"comes up or end of 'rib-stale-time'")
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step("Start BGPd daemon on DCG-2.")
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start_router_daemons(tgen, "d2", ["bgpd"])
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step("Verify that EDGE-1 removed all the stale entries.")
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for addr_type in ADDR_TYPES:
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input_routes = {
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"r4":{
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"static_routes": [{
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"network": NETWORK1_3[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "BLUE"
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},
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{
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"network": NETWORK1_4[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "GREEN"
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}]
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}
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}
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result = verify_evpn_routes(tgen, topo, "e1", input_routes)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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step("Verify that DCG-2 refresh zebra with EVPN routes. "
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"(no significance of 'rib-stale-time'")
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for addr_type in ADDR_TYPES:
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input_routes = {
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"r4":{
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"static_routes": [{
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"network": NETWORK1_3[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "BLUE"
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},
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{
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"network": NETWORK1_4[addr_type],
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"next_hop": NEXT_HOP_IP[addr_type],
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"vrf": "GREEN"
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}]
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}
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}
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result = verify_rib(tgen, addr_type, "d2", input_routes)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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write_test_footer(tc_name)
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@pytest.mark.parametrize("attribute", ["locPrf", "weight", "path"])
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def test_bgp_attributes_for_evpn_address_family_p1(request, attribute):
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"""
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