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infix/test/case/ietf_routing/static_routing.py
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Python
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#!/usr/bin/env python3
# 192.168.100.1/32 (lo)
# |
# +--------------+ +-------------+
# | |192.168.50.0/24 | |
# | DUT1 .1 +----------------+ .2 DUT2 |-192.168.200.1/32 (lo)
# | .1 | | .1 |
# +--+------+----+ +---+-----+---+
# | | |
# MGMT | | <-192.168.10.0/24 |MGMT
# | | |
# | | |
# +-+------+-------------------------+-----+--+
# | .2 |
# | |
# | |
# +-------------------------------------------+
import copy
import infamy
import time
import infamy.iface as iface
import infamy.route as route
from infamy.util import until, parallel
def config_target1(target, data, link):
target.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": data,
"enabled": True,
"ipv4": {
"forwarding": True,
"address": [{
"ip": "192.168.10.1",
"prefix-length": 24
}]},
"ipv6": {
"forwarding": True,
"address": [{
"ip": "2001:db8:3c4d:10::1",
"prefix-length": 64
}]
}
},
{
"name": link,
"enabled": True,
"ipv4": {
"forwarding": True,
"address": [{
"ip": "192.168.50.1",
"prefix-length": 24
}]
},
"ipv6": {
"forwarding": True,
"address": [{
"ip": "2001:db8:3c4d:50::1",
"prefix-length": 64
}]
}
},
{
"name": "lo",
"enabled": True,
"ipv4": {
"address": [{
"ip": "192.168.100.1",
"prefix-length": 32
}]
},
"ipv6": {
"address": [{
"ip": "2001:db8:3c4d:100::1",
"prefix-length": 128
}]
}
}
]
}
})
target.put_config_dict("ietf-routing", {
"routing": {
"control-plane-protocols": {
"control-plane-protocol": [{
"type": "static",
"name": "default",
"static-routes": {
"ipv4": {
"route": [{
"destination-prefix": "192.168.200.1/32",
"next-hop": {
"next-hop-address": "192.168.50.2"
}
}]
},
"ipv6": {
"route": [{
"destination-prefix": "2001:db8:3c4d:200::1/128",
"next-hop": {
"next-hop-address": "2001:db8:3c4d:50::2"
}
}]
}
}
}]
}
}
})
def config_target2(target, link):
target.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": link,
"enabled": True,
"ipv4": {
"forwarding": True,
"address": [{
"ip": "192.168.50.2",
"prefix-length": 24
}]
},
"ipv6": {
"forwarding": True,
"address": [{
"ip": "2001:db8:3c4d:50::2",
"prefix-length": 64
}]
}
},
{
"name": "lo",
"enabled": True,
"forwarding": True,
"ipv4": {
"address": [{
"ip": "192.168.200.1",
"prefix-length": 32
}]
},
"ipv6": {
"address": [{
"ip": "2001:db8:3c4d:200::1",
"prefix-length": 128
}]
}
}
]
}
})
target.put_config_dict("ietf-routing", {
"routing": {
"control-plane-protocols": {
"control-plane-protocol": [{
"type": "static",
"name": "default",
"static-routes": {
"ipv4": {
"route": [{
"destination-prefix": "0.0.0.0/0",
"next-hop": {
"next-hop-address": "192.168.50.1"
}
}]
},
"ipv6": {
"route": [{
"destination-prefix": "::/0",
"next-hop": {
"next-hop-address": "2001:db8:3c4d:50::1"
}
}]
}
}
}]
}
}
})
with infamy.Test() as test:
with test.step("Initialize"):
env = infamy.Env(infamy.std_topology("2x2"))
target1 = env.attach("target1", "mgmt")
target2 = env.attach("target2", "mgmt")
with test.step("Configure targets"):
_, target1data = env.ltop.xlate("target1", "data")
_, target2_to_target1 = env.ltop.xlate("target2", "target1")
_, target1_to_target2 = env.ltop.xlate("target1", "target2")
parallel(config_target1(target1, target1data, target1_to_target2),
config_target2(target2, target2_to_target1))
with test.step("Wait for routes"):
until(lambda: route.ipv4_route_exist(target1, "192.168.200.1/32"))
until(lambda: route.ipv4_route_exist(target2, "0.0.0.0/0"))
until(lambda: route.ipv6_route_exist(target1, "2001:db8:3c4d:200::1/128"))
until(lambda: route.ipv6_route_exist(target2, "::/0"))
_, hport0 = env.ltop.xlate("host", "data1")
with infamy.IsolatedMacVlan(hport0) as ns0:
with test.step("Configure host addresses and routes"):
ns0.addip("2001:db8:3c4d:10::2", prefix_length=64, proto="ipv6")
ns0.addroute("2001:db8:3c4d:200::1/128", "2001:db8:3c4d:10::1", proto="ipv6")
ns0.addip("192.168.10.2")
ns0.addroute("192.168.200.1/32", "192.168.10.1")
with test.step("Verify that dut2 is reachable from host over IPv4"):
ns0.must_reach("192.168.200.1")
with test.step("Verify that dut2 is reachable from host over IPv6"):
ns0.must_reach("2001:db8:3c4d:200::1")
with test.step("Remove static routes on dut1"):
target1.delete_xpath("/ietf-routing:routing/control-plane-protocols")
parallel(until(lambda: route.ipv4_route_exist(target1, "192.168.200.1/32") == False),
until(lambda: route.ipv6_route_exist(target1, "2001:db8:3c4d:200::1/128") == False))
with test.step("Verify that dut2 is no longer reachable"):
infamy.parallel(ns0.must_not_reach("192.168.200.1"),
ns0.must_not_reach("2001:db8:3c4d:200::1"))
test.succeed()