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tests/bgp-simple: add gobgp
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‎tests/README.md‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
| bgp-frr-unnumbered | FRR | <!-- Add BIRD when unnumbered peerings are supported -->
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| bgp-md5 | FRR, BIRD3 |
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| bgp-prefsource | FRR, BIRD3 |
10-
| bgp-simple | FRR, BIRD3 |
10+
| bgp-simple | FRR, BIRD3, GoBGP |
1111
| bgp-ttl-security | FRR, BIRD3 |
1212
| dhcpv4 | Kea DHCP Server, dhclient | <!-- Extend by NetworkManager/systemd-networkd clients -->
1313
| dns-knot | Knot DNS Server |

‎tests/bgp-simple/README.md‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,5 +3,5 @@
33
This configuration sets up a simple BGP test environment with two nodes.
44

55
Node a runs FRRouting (FRR) as a BGP speaker with IPv4 and IPv6 addresses on interface
6-
eth1, while node b runs the BIRD routing daemon configured similarly. Both nodes establish
6+
eth1, while node b runs the BIRD and node c the GoBGP routing daemon configured similarly. All nodes establish
77
BGP peering over IPv4 and IPv6 with each other.

‎tests/bgp-simple/default.nix‎

Lines changed: 195 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
{ ... }:
1+
{ lib, pkgs, ... }:
22
{
33
name = "bgp-simple";
44

@@ -12,7 +12,7 @@
1212
ipv4.addresses = [
1313
{
1414
address = "192.0.2.1";
15-
prefixLength = 30;
15+
prefixLength = 29;
1616
}
1717
];
1818
ipv6.addresses = [
@@ -25,6 +25,8 @@
2525
services.frr = {
2626
bgpd.enable = true;
2727
config = ''
28+
ip route 198.51.100.0/25 reject
29+
ipv6 route 2001:db8:beef::/48 reject
2830
router bgp 64496
2931
no bgp ebgp-requires-policy
3032
no bgp default ipv4-unicast
@@ -33,12 +35,19 @@
3335
neighbor 192.0.2.2 remote-as 64497
3436
neighbor 2001:db8::2 remote-as 64497
3537
38+
neighbor 192.0.2.3 remote-as 64498
39+
neighbor 2001:db8::3 remote-as 64498
40+
3641
address-family ipv4 unicast
42+
network 198.51.100.0/25
3743
neighbor 192.0.2.2 activate
44+
neighbor 192.0.2.3 activate
3845
exit-address-family
3946
4047
address-family ipv6 unicast
48+
network 2001:db8:beef::/48
4149
neighbor 2001:db8::2 activate
50+
neighbor 2001:db8::3 activate
4251
exit-address-family
4352
'';
4453
};
@@ -48,7 +57,7 @@
4857
ipv4.addresses = [
4958
{
5059
address = "192.0.2.2";
51-
prefixLength = 30;
60+
prefixLength = 29;
5261
}
5362
];
5463
ipv6.addresses = [
@@ -91,9 +100,13 @@
91100
# families and to disable/enable various groups of static routes on the fly).
92101
protocol static static4 {
93102
ipv4;
103+
104+
route 198.51.100.128/25 unreachable;
94105
}
95106
protocol static static6 {
96107
ipv6;
108+
109+
route 2001:db8:c0de::/48 unreachable;
97110
}
98111
99112
protocol bgp a_v4 {
@@ -106,6 +119,16 @@
106119
};
107120
}
108121
122+
protocol bgp c_v4 {
123+
local as 64497;
124+
neighbor 192.0.2.3 as 64498;
125+
126+
ipv4 {
127+
import all;
128+
export all;
129+
};
130+
}
131+
109132
protocol bgp a_v6 {
110133
local as 64497;
111134
neighbor 2001:db8::1 as 64496;
@@ -115,25 +138,189 @@
115138
export all;
116139
};
117140
}
141+
142+
protocol bgp c_v6 {
143+
local as 64497;
144+
neighbor 2001:db8::3 as 64498;
145+
146+
ipv6 {
147+
import all;
148+
export all;
149+
};
150+
}
118151
'';
119152
};
120153
};
154+
c = {
155+
environment.systemPackages = with pkgs; [ gobgp ];
156+
networking.interfaces = {
157+
eth1 = {
158+
ipv4.addresses = [
159+
{
160+
address = "192.0.2.3";
161+
prefixLength = 29;
162+
}
163+
];
164+
ipv6.addresses = [
165+
{
166+
address = "2001:db8::3";
167+
prefixLength = 64;
168+
}
169+
];
170+
};
171+
lo = {
172+
ipv4.routes = [
173+
{
174+
address = "203.0.113.0";
175+
prefixLength = 24;
176+
}
177+
];
178+
ipv6.routes = [
179+
{
180+
address = "2001:db8:dead::";
181+
prefixLength = 48;
182+
}
183+
];
184+
};
185+
};
186+
users = {
187+
groups.gobgpd = { };
188+
users.gobgpd = {
189+
description = "GoBGP Daemon User";
190+
isSystemUser = true;
191+
group = "gobgpd";
192+
};
193+
};
194+
systemd = {
195+
services = {
196+
frr.postStart = "${pkgs.acl}/bin/setfacl -m u:gobgpd:rwx /run/frr/zserv.api";
197+
gobgpd = {
198+
after = [ "frr.service" ];
199+
serviceConfig = {
200+
DynamicUser = lib.mkForce false;
201+
User = "gobgpd";
202+
Group = "gobgpd";
203+
};
204+
};
205+
};
206+
};
207+
services = {
208+
# any frr service will do, we just need the zebra socket
209+
# a upstream module modification to frr would be better
210+
frr.sharpd.enable = true;
211+
gobgpd = {
212+
enable = true;
213+
settings = {
214+
global.config = {
215+
as = 64498;
216+
router-id = "192.0.2.3";
217+
};
218+
global.apply-policy.config = {
219+
default-import-policy = "accept-route";
220+
default-export-policy = "accept-route";
221+
};
222+
zebra.config = {
223+
enabled = true;
224+
software-name = "frr${lib.versions.majorMinor pkgs.frr.version}";
225+
version = 6;
226+
url = "unix:/run/frr/zserv.api";
227+
redistribute-route-type-list = [
228+
"kernel"
229+
"directly-connected"
230+
"static"
231+
];
232+
};
233+
neighbors = [
234+
{
235+
config = {
236+
neighbor-address = "192.0.2.1";
237+
peer-as = 64496;
238+
};
239+
afi-safis = [
240+
{
241+
config.afi-safi-name = "ipv4-unicast";
242+
}
243+
];
244+
}
245+
{
246+
config = {
247+
neighbor-address = "192.0.2.2";
248+
peer-as = 64497;
249+
};
250+
afi-safis = [
251+
{
252+
config.afi-safi-name = "ipv4-unicast";
253+
}
254+
];
255+
}
256+
{
257+
config = {
258+
neighbor-address = "2001:db8::1";
259+
peer-as = 64496;
260+
};
261+
afi-safis = [
262+
{
263+
config.afi-safi-name = "ipv6-unicast";
264+
}
265+
];
266+
}
267+
{
268+
config = {
269+
neighbor-address = "2001:db8::2";
270+
peer-as = 64497;
271+
};
272+
afi-safis = [
273+
{
274+
config.afi-safi-name = "ipv6-unicast";
275+
}
276+
];
277+
}
278+
];
279+
};
280+
};
281+
};
282+
};
121283
};
122284

123285
testScript = ''
124286
start_all()
125287
126288
a.wait_for_unit("network.target")
127289
b.wait_for_unit("network.target")
290+
c.wait_for_unit("network.target")
128291
129292
a.wait_for_unit("frr.service")
130293
b.wait_for_unit("bird.service")
294+
c.wait_for_unit("gobgpd.service")
295+
296+
with subtest("ensure bgp sessions are established"):
297+
a.wait_until_succeeds("vtysh -c 'show bgp ipv4 summary' | grep '192.0.2.2.*1\\s*2\\s*N/A'")
298+
a.wait_until_succeeds("vtysh -c 'show bgp ipv4 summary' | grep '192.0.2.3.*1\\s*2\\s*N/A'")
299+
b.wait_until_succeeds("birdc show protocols | grep 'a_v4.*Established'")
300+
b.wait_until_succeeds("birdc show protocols | grep 'c_v4.*Established'")
301+
c.wait_until_succeeds("gobgp neighbor -a 'ipv4' | grep '192.0.2.1.*Establ.*|.*2.*2'")
302+
c.wait_until_succeeds("gobgp neighbor -a 'ipv4' | grep '192.0.2.2.*Establ.*|.*2.*2'")
131303
132-
a.wait_until_succeeds("vtysh -c 'show bgp ipv4 summary' | grep '192.0.2.2.*0\\s*0\\s*N/A'")
133-
b.wait_until_succeeds("birdc show protocols | grep 'a_v4.*Established'")
304+
# IPv6 DAD might need some time to complete for the local link address, which is required by frr
305+
a.wait_until_succeeds("vtysh -c 'show bgp ipv6 summary' | grep '2001:db8::2.*1\\s*2\\s*N/A'")
306+
a.wait_until_succeeds("vtysh -c 'show bgp ipv6 summary' | grep '2001:db8::3.*1\\s*2\\s*N/A'")
307+
b.wait_until_succeeds("birdc show protocols | grep 'a_v6.*Established'")
308+
b.wait_until_succeeds("birdc show protocols | grep 'c_v4.*Established'")
309+
c.wait_until_succeeds("gobgp neighbor -a 'ipv6' | grep '2001:db8::1.*Establ.*|.*2.*2'")
310+
c.wait_until_succeeds("gobgp neighbor -a 'ipv6' | grep '2001:db8::2.*Establ.*|.*2.*2'")
134311
135-
# IPv6 DAD might need some time to complete for the local link address, which is required by frr
136-
a.wait_until_succeeds("vtysh -c 'show bgp ipv6 summary' | grep '2001:db8::2.*0\\s*0\\s*N/A'")
137-
b.wait_until_succeeds("birdc show protocols | grep 'a_v6.*Established'")
312+
with subtest("ensure routes have been installed in fib"):
313+
b.succeed("ip route show | grep 198.51.100.0/25")
314+
c.succeed("ip route show | grep 198.51.100.0/25")
315+
a.succeed("ip route show | grep 198.51.100.128/25")
316+
c.succeed("ip route show | grep 198.51.100.128/25")
317+
a.succeed("ip route show | grep 203.0.113.0/24")
318+
b.succeed("ip route show | grep 203.0.113.0/24")
319+
b.succeed("ip -6 route show | grep 2001:db8:beef::/48")
320+
c.succeed("ip -6 route show | grep 2001:db8:beef::/48")
321+
a.succeed("ip -6 route show | grep 2001:db8:c0de::/48")
322+
c.succeed("ip -6 route show | grep 2001:db8:c0de::/48")
323+
a.succeed("ip -6 route show | grep 2001:db8:dead::/48")
324+
b.succeed("ip -6 route show | grep 2001:db8:dead::/48")
138325
'';
139326
}

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