def prerequisite_config_for_test_suite(tgen):
"""
API to do prerequisite config for testsuite
parameters:
-----------
* `tgen`: topogen object
"""
step("Configure vxlan, bridge interface")
for dut in ["e1", "d1", "d2"]:
step("[DUT: ]Configure vxlan")
vxlan_input = {
dut: {
"vxlan": [
{
"vxlan_name": VXLAN["vxlan_name"],
"vxlan_id": VXLAN["vxlan_id"],
"dstport": VXLAN["dstport"],
"local_addr": VXLAN["local_addr"][dut],
"learning": VXLAN["learning"],
}
]
}
}
result = configure_vxlan(tgen, vxlan_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
step("Configure bridge interface")
brctl_input = {
dut: {
"brctl": [
{
"brctl_name": BRCTL["brctl_name"],
"addvxlan": BRCTL["addvxlan"],
"vrf": BRCTL["vrf"],
"stp": BRCTL["stp"],
}
]
}
}
result = configure_brctl(tgen, topo, brctl_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
step("Configure default routes")
add_default_routes(tgen)
def test_RT_verification_auto_p0(request):
"""
RT verification(auto)
"""
tgen = get_topogen()
tc_name = request.node.name
write_test_header(tc_name)
check_router_status(tgen)
reset_config_on_routers(tgen)
add_default_routes(tgen)
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
step(
"Advertise overlapping prefixes from VNFs R1 and R2 in all VRFs "
"RED, GREEN and BLUE 100.1.1.1/32 and 100::100/128"
)
for addr_type in ADDR_TYPES:
input_dict_1 = {
"r1": {
"static_routes": [
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "RED",
}
]
},
"r2": {
"static_routes": [
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "BLUE",
},
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "GREEN",
},
]
},
}
result = create_static_routes(tgen, input_dict_1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result
)
step(
"Verify that Edge-1 receives same prefixes in all 3 VRFs via "
"corresponding next-hop in associated VRF sh bgp vrf all"
)
for addr_type in ADDR_TYPES:
input_routes = {
"r1": {
"static_routes": [
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "RED",
}
]
},
"r2": {
"static_routes": [
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "BLUE",
},
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "GREEN",
},
]
},
}
result = verify_rib(tgen, addr_type, "e1", input_routes)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result
)
step(
"Configure 4-byte local AS number on Edge-1 and establish EVPN "
"neighborship with DCG-1 & DCG-2."
)
topo_local = deepcopy(topo)
step("Delete BGP config for vrf RED.")
input_dict_vni = {
"e1": {
"vrfs": [
{"name": "RED", "no_vni": VNI_1},
{"name": "BLUE", "no_vni": VNI_2},
{"name": "GREEN", "no_vni": VNI_3},
]
}
}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict_2 = {}
for dut in ["e1"]:
temp = {dut: {"bgp": []}}
input_dict_2.update(temp)
INDEX = [0, 1, 2, 3]
VRFS = ["RED", "BLUE", "GREEN", None]
AS_NUM = [100, 100, 100, 100]
for index, vrf, as_num in zip(INDEX, VRFS, AS_NUM):
topo_local["routers"][dut]["bgp"][index]["local_as"] = 4294967293
if vrf:
temp[dut]["bgp"].append(
{"local_as": as_num, "vrf": vrf, "delete": True}
)
else:
temp[dut]["bgp"].append({"local_as": as_num, "delete": True})
result = create_router_bgp(tgen, topo, input_dict_2)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
result = create_router_bgp(tgen, topo_local["routers"])
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict_vni = {
"e1": {
"vrfs": [
{"name": "RED", "vni": VNI_1},
{"name": "BLUE", "vni": VNI_2},
{"name": "GREEN", "vni": VNI_3},
]
}
}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify that all overlapping prefixes across different VRFs are "
"advertised in EVPN with unique RD value(auto derived)."
)
step(
"Verify that FRR uses only the lower 2 bytes of ASN+VNI for auto "
"derived RT value."
)
for addr_type in ADDR_TYPES:
input_routes_1 = {
"r1": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "RED"}]}
}
input_routes_2 = {
"r2": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "BLUE"}]}
}
input_routes_3 = {
"r2": {
"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "GREEN"}]
}
}
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes_1, rd="auto", rd_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes_1, rt="auto", rt_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes_2, rd="auto", rd_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes_2, rt="auto", rt_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes_3, rd="auto", rd_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes_3, rt="auto", rt_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
step(
"Verify that DCG-1(iBGP peer) automatically imports the prefixes"
" from EVPN address-family to respective VRFs."
)
step(
"Verify if DCG-2(eBGP peer) automatically imports the prefixes "
"from EVPN address-family to respective VRFs or not."
)
for addr_type in ADDR_TYPES:
input_routes = {
"r1": {
"static_routes": [
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "RED",
}
]
},
"r2": {
"static_routes": [
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "BLUE",
},
{
"network": NETWORK4_1[addr_type],
"next_hop": NEXT_HOP_IP[addr_type],
"vrf": "GREEN",
},
]
},
}
result = verify_rib(tgen, addr_type, "d1", input_routes)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result
)
result = verify_rib(tgen, addr_type, "d2", input_routes)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result
)
step(
"Change the VNI number for all 3 VRFs on Edge-1 as:"
"RED : 75400, GREEN: 75500, BLUE: 75600"
)
input_dict_vni = {
"e1": {
"vrfs": [
{"name": "RED", "no_vni": VNI_1},
{"name": "BLUE", "no_vni": VNI_2},
{"name": "GREEN", "no_vni": VNI_3},
]
}
}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict_vni = {
"e1": {
"vrfs": [
{"name": "RED", "vni": 75400},
{"name": "BLUE", "vni": 75500},
{"name": "GREEN", "vni": 75600},
]
}
}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Delete configured vxlan")
dut = "e1"
vxlan_input = {
dut: {
"vxlan": [
{
"vxlan_name": VXLAN["vxlan_name"],
"vxlan_id": VXLAN["vxlan_id"],
"dstport": VXLAN["dstport"],
"local_addr": VXLAN["local_addr"][dut],
"learning": VXLAN["learning"],
"delete": True,
}
]
}
}
result = configure_vxlan(tgen, vxlan_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Configured vxlan")
VXLAN["vxlan_id"] = [75400, 75500, 75600]
vxlan_input = {
dut: {
"vxlan": [
{
"vxlan_name": VXLAN["vxlan_name"],
"vxlan_id": VXLAN["vxlan_id"],
"dstport": VXLAN["dstport"],
"local_addr": VXLAN["local_addr"][dut],
"learning": VXLAN["learning"],
}
]
}
}
result = configure_vxlan(tgen, vxlan_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Configure bridge interface")
brctl_input = {
dut: {
"brctl": [
{
"brctl_name": BRCTL["brctl_name"],
"addvxlan": BRCTL["addvxlan"],
"vrf": BRCTL["vrf"],
"stp": BRCTL["stp"],
}
]
}
}
result = configure_brctl(tgen, topo, brctl_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify on Edge-1 that auto derived RT value has changed for "
"each VRF based on VNI number.."
)
input_dict = {
"e1": {
"vrfs": [
{"RED": {"vni": 75400}},
{"BLUE": {"vni": 75500}},
{"GREEN": {"vni": 75600}},
]
}
}
result = verify_vrf_vni(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify on Edge-1 that auto derived RT value has changed for "
"each VRF based on VNI number."
)
for addr_type in ADDR_TYPES:
input_routes = {
"r1": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "RED"}]}
}
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes, rt="auto", rt_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
step(
"Verify on DCG-2 that prefixes are not imported from EVPN "
"address-family to VRFs as RT values are different on sending("
"edge-1) and receiving(DCG-2) end."
)
for addr_type in ADDR_TYPES:
input_routes = {
"r1": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "RED"}]}
}
result = verify_rib(tgen, addr_type, "d2", input_routes, expected=False)
assert result is not True, "Testcase {} :Failed \n "
"Routes are still present: {}".format(tc_name, result)
logger.info("Expected Behavior: {}".format(result))
step(
"Revert back to original VNI number for all 3 VRFs on Edge-1 "
"as: RED : 75100, GREEN: 75200, BLUE: 75300"
)
input_dict_vni = {
"e1": {
"vrfs": [
{"name": "RED", "no_vni": 75400},
{"name": "BLUE", "no_vni": 75500},
{"name": "GREEN", "no_vni": 75600},
]
}
}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict_vni = {
"e1": {
"vrfs": [
{"name": "RED", "vni": VNI_1},
{"name": "BLUE", "vni": VNI_2},
{"name": "GREEN", "vni": VNI_3},
]
}
}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Delete configured vxlan")
dut = "e1"
vxlan_input = {
dut: {
"vxlan": [
{
"vxlan_name": VXLAN["vxlan_name"],
"vxlan_id": VXLAN["vxlan_id"],
"dstport": VXLAN["dstport"],
"local_addr": VXLAN["local_addr"][dut],
"learning": VXLAN["learning"],
"delete": True,
}
]
}
}
result = configure_vxlan(tgen, vxlan_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Configured vxlan")
VXLAN["vxlan_id"] = [75100, 75200, 75300]
vxlan_input = {
dut: {
"vxlan": [
{
"vxlan_name": VXLAN["vxlan_name"],
"vxlan_id": VXLAN["vxlan_id"],
"dstport": VXLAN["dstport"],
"local_addr": VXLAN["local_addr"][dut],
"learning": VXLAN["learning"],
}
]
}
}
result = configure_vxlan(tgen, vxlan_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Configure bridge interface")
brctl_input = {
dut: {
"brctl": [
{
"brctl_name": BRCTL["brctl_name"],
"addvxlan": BRCTL["addvxlan"],
"vrf": BRCTL["vrf"],
"stp": BRCTL["stp"],
}
]
}
}
result = configure_brctl(tgen, topo, brctl_input)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify on Edge-1 that auto derived RT value has changed for "
"each VRF based on VNI number."
)
step(
"Verify that DCG-1(iBGP peer) automatically imports the prefixes"
" from EVPN address-family to respective VRFs."
)
for addr_type in ADDR_TYPES:
input_routes = {
"r1": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "RED"}]}
}
result = verify_attributes_for_evpn_routes(
tgen, topo, "e1", input_routes, rt="auto", rt_peer="e1"
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
result = verify_rib(tgen, addr_type, "d1", input_routes)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result
)
step("Test with smaller VNI numbers (1-75000)")
input_dict_vni = {"e1": {"vrfs": [{"name": "RED", "no_vni": VNI_1}]}}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict_vni = {"e1": {"vrfs": [{"name": "RED", "vni": 111}]}}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify that DCG-2 receives EVPN prefixes along with auto "
"derived RT values(based on smaller VNI numbers)"
)
for addr_type in ADDR_TYPES:
input_routes_1 = {
"r1": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "RED"}]}
}
result = verify_attributes_for_evpn_routes(
tgen, topo, "d2", input_routes_1, rt="auto", rt_peer="e1", expected=False
)
assert result is not True, "Testcase {} :Failed \n "
"Malfaromed Auto-RT value accepted: {}".format(tc_name, result)
logger.info("Expected Behavior: {}".format(result))
step("Configure VNI number more than boundary limit (16777215)")
input_dict_vni = {"e1": {"vrfs": [{"name": "RED", "no_vni": 111}]}}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict_vni = {"e1": {"vrfs": [{"name": "RED", "vni": 16777215}]}}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("CLI error for malformed VNI.")
input_dict = {
"e1": {
"vrfs": [{"RED": {"vni": 16777215, "routerMac": "None", "state": "Down"}}]
}
}
result = verify_vrf_vni(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
for addr_type in ADDR_TYPES:
input_routes_1 = {
"r1": {"static_routes": [{"network": NETWORK4_1[addr_type], "vrf": "RED"}]}
}
result = verify_attributes_for_evpn_routes(
tgen, topo, "d2", input_routes_1, rt="auto", rt_peer="e1", expected=False
)
assert result is not True, "Testcase {} :Failed \n "
"Malfaromed Auto-RT value accepted: {}".format(tc_name, result)
logger.info("Expected Behavior: {}".format(result))
step("Un-configure VNI number more than boundary limit (16777215)")
input_dict_vni = {"e1": {"vrfs": [{"name": "RED", "no_vni": 16777215}]}}
result = create_vrf_cfg(tgen, topo, input_dict=input_dict_vni)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
write_test_footer(tc_name)
