def test_ospf_p2p_tc3_p0(request):
"""OSPF IFSM -Verify state change events on p2p network."""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step("Bring up the base config as per the topology")
reset_config_on_routers(tgen)
step("Verify that OSPF is subscribed to multi cast services "
"(All SPF, all DR Routers).")
step("Verify that interface is enabled in ospf.")
step("Verify that config is successful.")
dut = "r0"
input_dict = {
"r0": {
"links": {
"r3": {
"ospf": {
"mcastMemberOspfAllRouters": True,
"ospfEnabled": True
}
}
}
}
}
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Delete the ip address")
topo1 = {
"r0": {
"links": {
"r3": {
"ipv4": topo["routers"]["r0"]["links"]["r3"]["ipv4"],
"interface":
topo["routers"]["r0"]["links"]["r3"]["interface"],
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Change the ip on the R0 interface")
topo_modify_change_ip = deepcopy(topo)
intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] = str(
IPv4Address(frr_unicode(intf_ip.split("/")[0])) + 3) + "/{}".format(
intf_ip.split("/")[1])
build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {
"r0": {
"links": {
"r3": {
"ospf": {
"ipAddress":
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]
["ipv4"].split("/")[0],
"ipAddressPrefixlen":
int(topo_modify_change_ip["routers"]["r0"]["links"]
["r3"]["ipv4"].split("/")[1]),
}
}
}
}
}
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Modify the mask on the R0 interface")
ip_addr = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
mask = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
step("Delete the ip address")
topo1 = {
"r0": {
"links": {
"r3": {
"ipv4": ip_addr,
"interface":
topo["routers"]["r0"]["links"]["r3"]["interface"],
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Change the ip on the R0 interface")
topo_modify_change_ip = deepcopy(topo)
intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] = str(
IPv4Address(frr_unicode(intf_ip.split("/")[0])) +
3) + "/{}".format(int(intf_ip.split("/")[1]) + 1)
build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {
"r0": {
"links": {
"r3": {
"ospf": {
"ipAddress":
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]
["ipv4"].split("/")[0],
"ipAddressPrefixlen":
int(topo_modify_change_ip["routers"]["r0"]["links"]
["r3"]["ipv4"].split("/")[1]),
}
}
}
}
}
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
topo1 = {
"r0": {
"links": {
"r3": {
"ipv4":
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]
["ipv4"],
"interface":
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]
["interface"],
"delete":
True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
build_config_from_json(tgen, topo, save_bkup=False)
step("Change the area id on the interface")
input_dict = {
"r0": {
"links": {
"r3": {
"interface":
topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf": {
"area": "0.0.0.0"
},
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
input_dict = {
"r0": {
"links": {
"r3": {
"interface":
topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf": {
"area": "0.0.0.1"
},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {
"r0": {
"links": {
"r3": {
"ospf": {
"area": "0.0.0.1",
"ospfEnabled": True
}
}
}
}
}
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
input_dict = {
"r0": {
"links": {
"r3": {
"interface":
topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf": {
"area": "0.0.0.1"
},
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
input_dict = {
"r0": {
"links": {
"r3": {
"interface":
topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf": {
"area": "0.0.0.0"
},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
# Api call verify whether BGP is converged
ospf_covergence = verify_ospf_neighbor(tgen, topo)
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence)
write_test_footer(tc_name)
def test_ospf_lan_tc1_p0(request):
"""
OSPF Hello protocol - Verify DR BDR Elections
"""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step("Bring up the base config as per the topology")
reset_config_on_routers(tgen)
step("Verify that DR BDR DRother are elected in the LAN.")
input_dict = {
"r0": {
"ospf": {
"neighbors": {
"r1": {
"state": "Full",
"role": "DR"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r0"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Verify that all the routers are in FULL state with DR and BDR "
"in the topology")
input_dict = {
"r1": {
"ospf": {
"neighbors": {
"r0": {
"state": "Full",
"role": "Backup"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r1"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Configure DR pririty 100 on R0 and clear ospf neighbors "
"on all the routers.")
input_dict = {
"r0": {
"links": {
"s1": {
"interface":
topo["routers"]["r0"]["links"]["s1"]["interface"],
"ospf": {
"priority": 100
},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
step("Clear ospf neighbours in all routers")
for rtr in ["r0", "r1", "r2", "r3"]:
clear_ospf(tgen, rtr)
step("Verify that DR election is triggered and R0 is elected as DR")
input_dict = {
"r0": {
"ospf": {
"neighbors": {
"r1": {
"state": "Full",
"role": "Backup"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r0"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Configure DR pririty 150 on R0 and clear ospf neighbors "
"on all the routers.")
input_dict = {
"r0": {
"links": {
"s1": {
"interface":
topo["routers"]["r0"]["links"]["s1"]["interface"],
"ospf": {
"priority": 150
},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
step("Clear ospf neighbours in all routers")
for rtr in ["r0", "r1"]:
clear_ospf(tgen, rtr)
step("Verify that DR election is triggered and R0 is elected as DR")
input_dict = {
"r0": {
"ospf": {
"neighbors": {
"r1": {
"state": "Full",
"role": "Backup"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r0"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Configure DR priority 0 on R0 & Clear ospf nbrs on all the routers")
input_dict = {
"r0": {
"links": {
"s1": {
"interface":
topo["routers"]["r0"]["links"]["s1"]["interface"],
"ospf": {
"priority": 0
},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
step("Clear ospf neighbours in all routers")
for rtr in ["r1"]:
clear_ospf(tgen, rtr)
step("Verify that DR election is triggered and R0 is elected as DRother")
input_dict = {
"r0": {
"ospf": {
"neighbors": {
"r1": {
"state": "Full",
"role": "DR"
},
"r2": {
"state": "2-Way",
"role": "DROther"
},
"r3": {
"state": "2-Way",
"role": "DROther"
},
}
}
}
}
dut = "r0"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Configure DR priority to default on R0 and Clear ospf neighbors"
" on all the routers")
input_dict = {
"r0": {
"links": {
"s1": {
"interface":
topo["routers"]["r0"]["links"]["s1"]["interface"],
"ospf": {
"priority": 100
},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(
tc_name, result)
step("Clear ospf neighbours in all routers")
for rtr in ["r0", "r1"]:
clear_ospf(tgen, rtr)
step("Verify that DR election is triggered and R0 is elected as DR")
input_dict = {
"r0": {
"ospf": {
"neighbors": {
"r1": {
"state": "Full",
"role": "Backup"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r0"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Shut interface on R0")
dut = "r0"
intf = topo["routers"]["r0"]["links"]["s1"]["interface"]
shutdown_bringup_interface(tgen, dut, intf, False)
result = verify_ospf_neighbor(tgen, topo, dut, lan=True, expected=False)
assert (
result is not True
), "Testcase {} : Failed \n " "r0: OSPF neighbors-hip is up \n Error: {}".format(
tc_name, result)
step("No Shut interface on R0")
dut = "r0"
intf = topo["routers"]["r0"]["links"]["s1"]["interface"]
shutdown_bringup_interface(tgen, dut, intf, True)
input_dict = {
"r0": {
"ospf": {
"neighbors": {
"r1": {
"state": "Full",
"role": "DR"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
step("Verify that after no shut ospf neighbours are full on R0.")
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Clear ospf on DR router in the topology.")
clear_ospf(tgen, "r0")
step("Verify that BDR is getting promoted to DR after clear.")
step("Verify that all the nbrs are in FULL state with the elected DR.")
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Change the ip on LAN intf on R0 to other ip from the same subnet.")
topo_modify_change_ip = deepcopy(topo)
intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["s1"]["ipv4"]
topo_modify_change_ip["routers"]["r0"]["links"]["s1"]["ipv4"] = str(
IPv4Address(frr_unicode(intf_ip.split("/")[0])) + 3) + "/{}".format(
intf_ip.split("/")[1])
build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
step("Verify that OSPF is in FULL state with other routers with "
"newly configured IP.")
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Change the ospf router id on the R0 and clear ip ospf interface.")
change_rid = {"r0": {"ospf": {"router_id": "100.1.1.100"}}}
result = create_router_ospf(tgen, topo, change_rid)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
topo["routers"]["r0"]["ospf"]["router_id"] = "100.1.1.100"
step("Reload the FRR router")
stop_router(tgen, "r0")
start_router(tgen, "r0")
step("Verify that OSPF is in FULL state with other routers with"
" newly configured router id.")
input_dict = {
"r1": {
"ospf": {
"neighbors": {
"r0": {
"state": "Full",
"role": "Backup"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r1"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
step("Reconfigure the original router id and clear ip ospf interface.")
change_rid = {"r0": {"ospf": {"router_id": "100.1.1.0"}}}
result = create_router_ospf(tgen, topo, change_rid)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
topo["routers"]["r0"]["ospf"]["router_id"] = "100.1.1.0"
step("Reload the FRR router")
# stop/start -> restart FRR router and verify
stop_router(tgen, "r0")
start_router(tgen, "r0")
step("Verify that OSPF is enabled with router id previously configured.")
input_dict = {
"r1": {
"ospf": {
"neighbors": {
"r0": {
"state": "Full",
"role": "Backup"
},
"r2": {
"state": "Full",
"role": "DROther"
},
"r3": {
"state": "Full",
"role": "DROther"
},
}
}
}
}
dut = "r1"
result = verify_ospf_neighbor(tgen, topo, dut, input_dict, lan=True)
assert result is True, "Testcase {} : Failed \n Error: {}".format(
tc_name, result)
write_test_footer(tc_name)
def verify_ospf_rib(tgen,
dut,
input_dict,
next_hop=None,
tag=None,
metric=None,
fib=None):
"""
This API is to verify ospf routes by running
show ip ospf route command.
Parameters
----------
* `tgen` : Topogen object
* `dut`: device under test
* `input_dict` : Input dict data, required when configuring from testcase
* `next_hop` : next to be verified
* `tag` : tag to be verified
* `metric` : metric to be verified
* `fib` : True if the route is installed in FIB.
Usage
-----
input_dict = {
"r1": {
"static_routes": [
{
"network": ip_net,
"no_of_ip": 1,
"routeType": "N"
}
]
}
}
result = verify_ospf_rib(tgen, dut, input_dict,next_hop=nh)
Returns
-------
True or False (Error Message)
"""
logger.info("Entering lib API: verify_ospf_rib()")
result = False
router_list = tgen.routers()
additional_nexthops_in_required_nhs = []
found_hops = []
for routerInput in input_dict.keys():
for router, rnode in router_list.items():
if router != dut:
continue
logger.info("Checking router %s RIB:", router)
# Verifying RIB routes
command = "show ip ospf route"
found_routes = []
missing_routes = []
if ("static_routes" in input_dict[routerInput]
or "prefix" in input_dict[routerInput]):
if "prefix" in input_dict[routerInput]:
static_routes = input_dict[routerInput]["prefix"]
else:
static_routes = input_dict[routerInput]["static_routes"]
for static_route in static_routes:
cmd = "{}".format(command)
cmd = "{} json".format(cmd)
ospf_rib_json = run_frr_cmd(rnode, cmd, isjson=True)
# Verifying output dictionary ospf_rib_json is not empty
if bool(ospf_rib_json) is False:
errormsg = ("[DUT: {}] No routes found in OSPF route "
"table".format(router))
return errormsg
network = static_route["network"]
no_of_ip = static_route.setdefault("no_of_ip", 1)
_tag = static_route.setdefault("tag", None)
_rtype = static_route.setdefault("routeType", None)
# Generating IPs for verification
ip_list = generate_ips(network, no_of_ip)
st_found = False
nh_found = False
for st_rt in ip_list:
st_rt = str(ipaddr.IPNetwork(frr_unicode(st_rt)))
_addr_type = validate_ip_address(st_rt)
if _addr_type != "ipv4":
continue
if st_rt in ospf_rib_json:
st_found = True
found_routes.append(st_rt)
if fib and next_hop:
if type(next_hop) is not list:
next_hop = [next_hop]
for mnh in range(0, len(ospf_rib_json[st_rt])):
if ("fib" in ospf_rib_json[st_rt][mnh]
["nexthops"][0]):
found_hops.append([
rib_r["ip"]
for rib_r in ospf_rib_json[st_rt]
[mnh]["nexthops"]
])
if found_hops[0]:
missing_list_of_nexthops = set(
found_hops[0]).difference(next_hop)
additional_nexthops_in_required_nhs = set(
next_hop).difference(found_hops[0])
if additional_nexthops_in_required_nhs:
logger.info(
"Nexthop "
"%s is not active for route %s in "
"RIB of router %s\n",
additional_nexthops_in_required_nhs,
st_rt,
dut,
)
errormsg = (
"Nexthop {} is not active"
" for route {} in RIB of router"
" {}\n".format(
additional_nexthops_in_required_nhs,
st_rt,
dut,
))
return errormsg
else:
nh_found = True
elif next_hop and fib is None:
if type(next_hop) is not list:
next_hop = [next_hop]
found_hops = [
rib_r["ip"] for rib_r in
ospf_rib_json[st_rt]["nexthops"]
]
if found_hops:
missing_list_of_nexthops = set(
found_hops).difference(next_hop)
additional_nexthops_in_required_nhs = set(
next_hop).difference(found_hops)
if additional_nexthops_in_required_nhs:
logger.info(
"Missing nexthop %s for route"
" %s in RIB of router %s\n",
additional_nexthops_in_required_nhs,
st_rt,
dut,
)
errormsg = (
"Nexthop {} is Missing for "
"route {} in RIB of router {}\n".
format(
additional_nexthops_in_required_nhs,
st_rt,
dut,
))
return errormsg
else:
nh_found = True
if _rtype:
if "routeType" not in ospf_rib_json[st_rt]:
errormsg = (
"[DUT: {}]: routeType missing"
" for route {} in OSPF RIB \n".format(
dut, st_rt))
return errormsg
elif _rtype != ospf_rib_json[st_rt][
"routeType"]:
errormsg = (
"[DUT: {}]: routeType mismatch"
" for route {} in OSPF RIB \n".format(
dut, st_rt))
return errormsg
else:
logger.info("[DUT: {}]: Found routeType {}"
" for route {}".format(
dut, _rtype, st_rt))
if tag:
if "tag" not in ospf_rib_json[st_rt]:
errormsg = ("[DUT: {}]: tag is not"
" present for"
" route {} in RIB \n".format(
dut, st_rt))
return errormsg
if _tag != ospf_rib_json[st_rt]["tag"]:
errormsg = ("[DUT: {}]: tag value {}"
" is not matched for"
" route {} in RIB \n".format(
dut,
_tag,
st_rt,
))
return errormsg
if metric is not None:
if "type2cost" not in ospf_rib_json[st_rt]:
errormsg = ("[DUT: {}]: metric is"
" not present for"
" route {} in RIB \n".format(
dut, st_rt))
return errormsg
if metric != ospf_rib_json[st_rt]["type2cost"]:
errormsg = ("[DUT: {}]: metric value "
"{} is not matched for "
"route {} in RIB \n".format(
dut,
metric,
st_rt,
))
return errormsg
else:
missing_routes.append(st_rt)
if nh_found:
logger.info("[DUT: {}]: Found next_hop {} for all OSPF"
" routes in RIB".format(router, next_hop))
if len(missing_routes) > 0:
errormsg = "[DUT: {}]: Missing route in RIB, " "routes: {}".format(
dut, missing_routes)
return errormsg
if found_routes:
logger.info(
"[DUT: %s]: Verified routes in RIB, found"
" routes are: %s\n",
dut,
found_routes,
)
result = True
logger.info("Exiting lib API: verify_ospf_rib()")
return result
def test_ospf_authentication_md5_tc29_p1(request):
"""
OSPF Authentication - Verify ospf authentication with MD5 authentication.
"""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
global topo
step("Bring up the base config.")
reset_config_on_routers(tgen)
step(
"Configure ospf with on R1 and R2, enable ospf on R1 interface "
"connected to R2 with message-digest authentication using ip "
"ospf authentication message-digest cmd."
)
r1_ospf_auth = {
"r1": {
"links": {
"r2": {
"ospf": {
"authentication": "message-digest",
"authentication-key": "ospf",
"message-digest-key": "10",
}
}
}
}
}
result = config_ospf_interface(tgen, topo, r1_ospf_auth)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Verify that the neighbour is not FULL between R1 and R2.")
# wait for dead time expiry.
sleep(6)
dut = "r1"
ospf_covergence = verify_ospf_neighbor(
tgen, topo, dut=dut, expected=False, retry_timeout=6
)
assert ospf_covergence is not True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
step(
"On R2 enable ospf on interface with message-digest authentication"
" using ip ospf authentication message-digest password cmd."
)
r2_ospf_auth = {
"r2": {
"links": {
"r1": {
"ospf": {
"authentication": "message-digest",
"authentication-key": "ospf",
"message-digest-key": "10",
}
}
}
}
}
result = config_ospf_interface(tgen, topo, r2_ospf_auth)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify that the neighbour is FULL between R1 and R2 "
"using show ip ospf neighbor cmd."
)
dut = "r2"
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
step(
"Disable message-digest authentication on R2 using no ip ospf "
"authentication message-digest password cmd."
)
r2_ospf_auth = {
"r2": {
"links": {
"r1": {
"ospf": {
"authentication": "message-digest",
"authentication-key": "ospf",
"message-digest-key": "10",
"del_action": True,
}
}
}
}
}
result = config_ospf_interface(tgen, topo, r2_ospf_auth)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Verify on R1 ,nbr is deleted for R2 after dead interval expiry")
# wait till the dead timer expiry
sleep(6)
dut = "r2"
ospf_covergence = verify_ospf_neighbor(
tgen, topo, dut=dut, expected=False, retry_timeout=10
)
assert ospf_covergence is not True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
step("Again On R2 enable ospf on interface with message-digest auth")
r2_ospf_auth = {
"r2": {
"links": {
"r1": {
"ospf": {
"authentication": "message-digest",
"authentication-key": "ospf",
"message-digest-key": "10",
}
}
}
}
}
result = config_ospf_interface(tgen, topo, r2_ospf_auth)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify that the neighbour is FULL between R1 and R2 using"
" show ip ospf neighbor cmd."
)
dut = "r2"
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
step("Shut no shut interface on R1")
dut = "r1"
intf = topo["routers"]["r1"]["links"]["r2"]["interface"]
shutdown_bringup_interface(tgen, dut, intf, False)
dut = "r2"
step(
"Verify that the neighbour is not FULL between R1 and R2 using "
"show ip ospf neighbor cmd."
)
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut, expected=False)
assert ospf_covergence is not True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
dut = "r1"
shutdown_bringup_interface(tgen, dut, intf, True)
step(
"Verify that the neighbour is FULL between R1 and R2 using "
"show ip ospf neighbor cmd."
)
dut = "r2"
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
step("Change Ip address on R1 and R2")
topo_modify_change_ip = deepcopy(topo)
intf_ip = topo_modify_change_ip["routers"]["r1"]["links"]["r2"]["ipv4"]
topo_modify_change_ip["routers"]["r1"]["links"]["r2"]["ipv4"] = str(
IPv4Address(frr_unicode(intf_ip.split("/")[0])) + 3
) + "/{}".format(intf_ip.split("/")[1])
build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
reset_config_on_routers(tgen, routerName="r1")
dut = "r1"
intf = topo["routers"]["r1"]["links"]["r2"]["interface"]
shutdown_bringup_interface(tgen, dut, intf, False)
shutdown_bringup_interface(tgen, dut, intf, True)
clear_ospf(tgen, "r1")
r1_ospf_auth = {
"r1": {
"links": {
"r2": {
"ospf": {
"authentication": "message-digest",
"authentication-key": "ospf",
"message-digest-key": "10",
}
}
}
}
}
result = config_ospf_interface(tgen, topo, r1_ospf_auth)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step(
"Verify that the neighbour is FULL between R1 and R2 with new "
"ip address using show ip ospf "
)
dut = "r1"
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
ospf_covergence
)
write_test_footer(tc_name)
