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211 lines
7.5 KiB
Python
Executable File
211 lines
7.5 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Basic tunnel connectivity test
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Set up a tunnel between two DUTs, host connected to the first DUT. Enable
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IP forwarding on first DUT's interface to host and the tunnel interface to
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the second DUT. On host, add route to IP network of second DUT and verify
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connectivity with the second DUT through the tunnel.
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- Tunnel types: GRE, GRETAP, and VxLAN
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- Connectivity: IPv4 and IPv6
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"""
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import infamy
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class ArgumentParser(infamy.ArgumentParser):
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def __init__(self):
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super().__init__()
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self.add_argument("--tunnel")
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with infamy.Test() as test:
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with test.step("Set up topology and attach to target DUTs"):
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arg = ArgumentParser()
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env = infamy.Env(args=arg)
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tunnel = env.args.tunnel
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left = env.attach("left", "mgmt")
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right = env.attach("right", "mgmt")
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with test.step(f"Configure DUTs with tunnel {tunnel}"):
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container_left4 = {
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"local": "192.168.50.1",
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"remote": "192.168.50.2"
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}
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container_left6 = {
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"local": "2001:db8:3c4d:50::1",
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"remote": "2001:db8:3c4d:50::2",
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}
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container_right4 = {
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"local": "192.168.50.2",
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"remote": "192.168.50.1"
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}
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container_right6 = {
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"local": "2001:db8:3c4d:50::2",
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"remote": "2001:db8:3c4d:50::1",
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}
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if tunnel in ("gretap", "gre"):
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CONTAINER_TYPE = "gre"
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else:
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CONTAINER_TYPE = tunnel
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container_left4.update({
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"vni": 4
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})
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container_left6.update({
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"vni": 6
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})
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container_right4.update({
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"vni": 4
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})
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container_right6.update({
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"vni": 6
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})
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left.put_config_dicts({"ietf-interfaces": {
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"interfaces": {
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"interface": [{
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"name": left["link"],
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"ipv4": {
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"address": [{
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"ip": "192.168.50.1",
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"prefix-length": 24
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}],
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"forwarding": True
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},
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"ipv6": {
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"address": [{
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"ip": "2001:db8:3c4d:50::1",
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"prefix-length": 64
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}],
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"forwarding": True
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}
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}, {
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"name": left["data"],
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"ipv4": {
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"address": [{
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"ip": "192.168.10.1",
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"prefix-length": 24
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}],
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"forwarding": True
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},
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"ipv6": {
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"address": [{
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"ip": "2001:db8:3c4d:10::1",
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"prefix-length": 64
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}],
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"forwarding": True
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}
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}, {
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"name": f"{tunnel}4",
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"type": f"infix-if-type:{tunnel}",
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"ipv4": {
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"address": [{
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"ip": "192.168.30.1",
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"prefix-length": 24
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}],
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"forwarding": True
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},
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CONTAINER_TYPE: container_left4
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}, {
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"name": f"{tunnel}6",
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"type": f"infix-if-type:{tunnel}",
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"ipv6": {
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"address": [{
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"ip": "2001:db8:3c4d:30::1",
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"prefix-length": 64
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}],
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"forwarding": True
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},
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CONTAINER_TYPE: container_left6
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}]
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}
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}})
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right.put_config_dicts({
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"ietf-interfaces": {
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"interfaces": {
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"interface": [{
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"name": right["link"],
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"ipv4": {
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"address": [{
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"ip": "192.168.50.2",
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"prefix-length": 24
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}],
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"forwarding": True
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},
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"ipv6": {
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"address": [{
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"ip": "2001:db8:3c4d:50::2",
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"prefix-length": 64
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}]
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}
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}, {
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"name": f"{tunnel}4",
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"type": f"infix-if-type:{tunnel}",
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"ipv4": {
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"address": [{
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"ip": "192.168.30.2",
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"prefix-length": 24
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}],
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"forwarding": True
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},
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CONTAINER_TYPE: container_right4
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}, {
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"name": f"{tunnel}",
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"type": f"infix-if-type:{tunnel}",
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"ipv6": {
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"address": [{
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"ip": "2001:db8:3c4d:30::2",
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"prefix-length": 64
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}]
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},
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CONTAINER_TYPE: container_right6
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}]
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}
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},
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"ietf-routing": {
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"routing": {
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"control-plane-protocols": {
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"control-plane-protocol": [{
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"type": "infix-routing:static",
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"name": "default",
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"static-routes": {
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"ipv4": {
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"route": [{
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"destination-prefix": "192.168.10.0/24",
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"next-hop": {
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"next-hop-address": "192.168.30.1"
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}
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}]
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},
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"ipv6": {
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"route": [{
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"destination-prefix": "2001:db8:3c4d:10::/64",
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"next-hop": {
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"next-hop-address": "2001:db8:3c4d:30::1"
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}
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}]
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}
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}
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}]
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}
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}
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}
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})
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_, hport = env.ltop.xlate("host", "data")
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with test.step("Verify connectivity host:data to 10.0.0.2"):
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with infamy.IsolatedMacVlan(hport) as ns0:
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ns0.addip("192.168.10.2")
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ns0.addroute("192.168.30.0/24", "192.168.10.1")
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ns0.must_reach("192.168.30.2")
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with test.step("Verify connectivity host:data to 2001:db8::c0a8:0a02"):
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with infamy.IsolatedMacVlan(hport) as ns0:
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ns0.addip("2001:db8:3c4d:10::2", prefix_length=64, proto="ipv6")
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ns0.addroute("2001:db8:3c4d:30::/64", "2001:db8:3c4d:10::1", proto="ipv6")
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ns0.must_reach("2001:db8:3c4d:30::2")
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test.succeed()
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