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tests: Drop test_bgp_with_loopback_with_same_subnet_p1
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It's replaced and simplified by c3fd1e9.

JSON topo is just horrible to debug.

Signed-off-by: Donatas Abraitis <[email protected]>
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@ton31337
ton31337 committed Sep 27, 2024
1 parent 6786b95 commit dc79958
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289 changes: 0 additions & 289 deletions tests/topotests/bgp_basic_functionality_topo1/test_bgp_basic_functionality.py
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Original file line number Diff line number Diff line change
Expand Up @@ -831,7 +831,6 @@ def test_bgp_with_loopback_interface(request):
for bgp_neighbor in topo["routers"][routerN]["bgp"]["address_family"]["ipv4"][
"unicast"
]["neighbor"].keys():

# Adding ['source_link'] = 'lo' key:value pair
topo["routers"][routerN]["bgp"]["address_family"]["ipv4"]["unicast"][
"neighbor"
Expand Down Expand Up @@ -876,294 +875,6 @@ def test_bgp_with_loopback_interface(request):
write_test_footer(tc_name)


def test_bgp_with_loopback_with_same_subnet_p1(request):
"""
Verify routes not installed in zebra when /32 routes received
with loopback BGP session subnet
"""

tgen = get_topogen()
if BGP_CONVERGENCE is not True:
pytest.skip("skipped because of BGP Convergence failure")

# test case name
tc_name = request.node.name
write_test_header(tc_name)

# Creating configuration from JSON
reset_config_on_routers(tgen)
step("Delete BGP seesion created initially")
input_dict_r1 = {
"r1": {"bgp": {"delete": True}},
"r2": {"bgp": {"delete": True}},
"r3": {"bgp": {"delete": True}},
"r4": {"bgp": {"delete": True}},
}
result = create_router_bgp(tgen, topo, input_dict_r1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)

step("Create BGP session over loop address")
topo_modify = deepcopy(topo)

for routerN in sorted(topo["routers"].keys()):
for addr_type in ADDR_TYPES:
for bgp_neighbor in topo_modify["routers"][routerN]["bgp"][
"address_family"
][addr_type]["unicast"]["neighbor"].keys():

# Adding ['source_link'] = 'lo' key:value pair
topo_modify["routers"][routerN]["bgp"]["address_family"][addr_type][
"unicast"
]["neighbor"][bgp_neighbor]["dest_link"] = {
"lo": {"source_link": "lo", "ebgp_multihop": 2}
}

result = create_router_bgp(tgen, topo_modify["routers"])
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)

step("Disable IPv6 BGP nbr from ipv4 address family")
raw_config = {
"r1": {
"raw_config": [
"router bgp {}".format(topo["routers"]["r1"]["bgp"]["local_as"]),
"address-family ipv4 unicast",
"no neighbor {} activate".format(
topo["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0]
),
"no neighbor {} activate".format(
topo["routers"]["r3"]["links"]["lo"]["ipv6"].split("/")[0]
),
]
},
"r2": {
"raw_config": [
"router bgp {}".format(topo["routers"]["r2"]["bgp"]["local_as"]),
"address-family ipv4 unicast",
"no neighbor {} activate".format(
topo["routers"]["r1"]["links"]["lo"]["ipv6"].split("/")[0]
),
"no neighbor {} activate".format(
topo["routers"]["r3"]["links"]["lo"]["ipv6"].split("/")[0]
),
]
},
"r3": {
"raw_config": [
"router bgp {}".format(topo["routers"]["r3"]["bgp"]["local_as"]),
"address-family ipv4 unicast",
"no neighbor {} activate".format(
topo["routers"]["r1"]["links"]["lo"]["ipv6"].split("/")[0]
),
"no neighbor {} activate".format(
topo["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0]
),
"no neighbor {} activate".format(
topo["routers"]["r4"]["links"]["lo"]["ipv6"].split("/")[0]
),
]
},
"r4": {
"raw_config": [
"router bgp {}".format(topo["routers"]["r4"]["bgp"]["local_as"]),
"address-family ipv4 unicast",
"no neighbor {} activate".format(
topo["routers"]["r3"]["links"]["lo"]["ipv6"].split("/")[0]
),
]
},
}

step("Configure kernel routes")
result = apply_raw_config(tgen, raw_config)
assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)

r1_ipv4_lo = topo["routers"]["r1"]["links"]["lo"]["ipv4"]
r1_ipv6_lo = topo["routers"]["r1"]["links"]["lo"]["ipv6"]
r2_ipv4_lo = topo["routers"]["r2"]["links"]["lo"]["ipv4"]
r2_ipv6_lo = topo["routers"]["r2"]["links"]["lo"]["ipv6"]
r3_ipv4_lo = topo["routers"]["r3"]["links"]["lo"]["ipv4"]
r3_ipv6_lo = topo["routers"]["r3"]["links"]["lo"]["ipv6"]
r4_ipv4_lo = topo["routers"]["r4"]["links"]["lo"]["ipv4"]
r4_ipv6_lo = topo["routers"]["r4"]["links"]["lo"]["ipv6"]

r1_r2 = topo["routers"]["r1"]["links"]["r2"]["ipv6"].split("/")[0]
r2_r1 = topo["routers"]["r2"]["links"]["r1"]["ipv6"].split("/")[0]
r1_r3 = topo["routers"]["r1"]["links"]["r3"]["ipv6"].split("/")[0]
r3_r1 = topo["routers"]["r3"]["links"]["r1"]["ipv6"].split("/")[0]
r2_r3 = topo["routers"]["r2"]["links"]["r3"]["ipv6"].split("/")[0]
r3_r2 = topo["routers"]["r3"]["links"]["r2"]["ipv6"].split("/")[0]
r3_r4 = topo["routers"]["r3"]["links"]["r4"]["ipv6"].split("/")[0]
r4_r3 = topo["routers"]["r4"]["links"]["r3"]["ipv6"].split("/")[0]

r1_r2_ipv4 = topo["routers"]["r1"]["links"]["r2"]["ipv4"].split("/")[0]
r2_r1_ipv4 = topo["routers"]["r2"]["links"]["r1"]["ipv4"].split("/")[0]
r1_r3_ipv4 = topo["routers"]["r1"]["links"]["r3"]["ipv4"].split("/")[0]
r3_r1_ipv4 = topo["routers"]["r3"]["links"]["r1"]["ipv4"].split("/")[0]
r2_r3_ipv4 = topo["routers"]["r2"]["links"]["r3"]["ipv4"].split("/")[0]
r3_r2_ipv4 = topo["routers"]["r3"]["links"]["r2"]["ipv4"].split("/")[0]
r3_r4_ipv4 = topo["routers"]["r3"]["links"]["r4"]["ipv4"].split("/")[0]
r4_r3_ipv4 = topo["routers"]["r4"]["links"]["r3"]["ipv4"].split("/")[0]

r1_r2_intf = topo["routers"]["r1"]["links"]["r2"]["interface"]
r2_r1_intf = topo["routers"]["r2"]["links"]["r1"]["interface"]
r1_r3_intf = topo["routers"]["r1"]["links"]["r3"]["interface"]
r3_r1_intf = topo["routers"]["r3"]["links"]["r1"]["interface"]
r2_r3_intf = topo["routers"]["r2"]["links"]["r3"]["interface"]
r3_r2_intf = topo["routers"]["r3"]["links"]["r2"]["interface"]
r3_r4_intf = topo["routers"]["r3"]["links"]["r4"]["interface"]
r4_r3_intf = topo["routers"]["r4"]["links"]["r3"]["interface"]

ipv4_list = [
("r1", r1_r2_intf, r2_ipv4_loopback),
("r1", r1_r3_intf, r3_ipv4_loopback),
("r2", r2_r1_intf, r1_ipv4_loopback),
("r2", r2_r3_intf, r3_ipv4_loopback),
("r3", r3_r1_intf, r1_ipv4_loopback),
("r3", r3_r2_intf, r2_ipv4_loopback),
("r3", r3_r4_intf, r4_ipv4_loopback),
("r4", r4_r3_intf, r3_ipv4_loopback),
]

ipv6_list = [
("r1", r1_r2_intf, r2_ipv6_loopback, r2_r1),
("r1", r1_r3_intf, r3_ipv6_loopback, r3_r1),
("r2", r2_r1_intf, r1_ipv6_loopback, r1_r2),
("r2", r2_r3_intf, r3_ipv6_loopback, r3_r2),
("r3", r3_r1_intf, r1_ipv6_loopback, r1_r3),
("r3", r3_r2_intf, r2_ipv6_loopback, r2_r3),
("r3", r3_r4_intf, r4_ipv6_loopback, r4_r3),
("r4", r4_r3_intf, r3_ipv6_loopback, r3_r4),
]

for dut, intf, loop_addr in ipv4_list:
result = addKernelRoute(tgen, dut, intf, loop_addr)
assert result is True, "Testcase {}:Failed \n Error: {}".format(tc_name, result)

for dut, intf, loop_addr, next_hop in ipv6_list:
result = addKernelRoute(tgen, dut, intf, loop_addr, next_hop)
assert result is True, "Testcase {}:Failed \n Error: {}".format(tc_name, result)

step("Configure static routes")

input_dict = {
"r1": {
"static_routes": [
{"network": r2_ipv4_loopback, "next_hop": r2_r1_ipv4},
{"network": r3_ipv4_loopback, "next_hop": r3_r1_ipv4},
{"network": r2_ipv6_loopback, "next_hop": r2_r1},
{"network": r3_ipv6_loopback, "next_hop": r3_r1},
]
},
"r2": {
"static_routes": [
{"network": r1_ipv4_loopback, "next_hop": r1_r2_ipv4},
{"network": r3_ipv4_loopback, "next_hop": r3_r2_ipv4},
{"network": r1_ipv6_loopback, "next_hop": r1_r2},
{"network": r3_ipv6_loopback, "next_hop": r3_r2},
]
},
"r3": {
"static_routes": [
{"network": r1_ipv4_loopback, "next_hop": r1_r3_ipv4},
{"network": r2_ipv4_loopback, "next_hop": r2_r3_ipv4},
{"network": r4_ipv4_loopback, "next_hop": r4_r3_ipv4},
{"network": r1_ipv6_loopback, "next_hop": r1_r3},
{"network": r2_ipv6_loopback, "next_hop": r2_r3},
{"network": r4_ipv6_loopback, "next_hop": r4_r3},
]
},
"r4": {
"static_routes": [
{"network": r3_ipv4_loopback, "next_hop": r3_r4_ipv4},
{"network": r3_ipv6_loopback, "next_hop": r3_r4},
]
},
}
result = create_static_routes(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)

step("Verify BGP session convergence")

result = verify_bgp_convergence(tgen, topo_modify)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)

step("Configure redistribute connected on R2 and R4")
input_dict_1 = {
"r2": {
"bgp": {
"address_family": {
"ipv4": {
"unicast": {"redistribute": [{"redist_type": "connected"}]}
},
"ipv6": {
"unicast": {"redistribute": [{"redist_type": "connected"}]}
},
}
}
},
"r4": {
"bgp": {
"address_family": {
"ipv4": {
"unicast": {"redistribute": [{"redist_type": "connected"}]}
},
"ipv6": {
"unicast": {"redistribute": [{"redist_type": "connected"}]}
},
}
}
},
}

result = create_router_bgp(tgen, topo, input_dict_1)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)

step("Verify Ipv4 and Ipv6 network installed in R1 RIB but not in FIB")
input_dict_r1 = {
"r1": {
"static_routes": [
{"network": "1.0.2.17/32"},
{"network": "2001:db8:f::2:17/128"},
]
}
}

dut = "r1"
protocol = "bgp"
for addr_type in ADDR_TYPES:
result = verify_fib_routes(
tgen, addr_type, dut, input_dict_r1, expected=False
) # pylint: disable=E1123
assert result is not True, (
"Testcase {} : Failed \n "
"Expected: Routes should not be present in {} FIB \n "
"Found: {}".format(tc_name, dut, result)
)

step("Verify Ipv4 and Ipv6 network installed in r3 RIB but not in FIB")
input_dict_r3 = {
"r3": {
"static_routes": [
{"network": "1.0.4.17/32"},
{"network": "2001:db8:f::4:17/128"},
]
}
}
dut = "r3"
protocol = "bgp"
for addr_type in ADDR_TYPES:
result = verify_fib_routes(
tgen, addr_type, dut, input_dict_r1, expected=False
) # pylint: disable=E1123
assert result is not True, (
"Testcase {} : Failed \n "
"Expected: Routes should not be present in {} FIB \n "
"Found: {}".format(tc_name, dut, result)
)

write_test_footer(tc_name)


if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))

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