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tests: Check if set metric aigp works

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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2024-10-08 21:48:23 +03:00
parent e94f48498d
commit 3105ceaee9
2 changed files with 24 additions and 19 deletions
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7
tests/topotests/bgp_aigp/r1/bgpd.conf
View File

@ -16,6 +16,13 @@ router bgp 65001
neighbor 192.168.18.8 route-map r8 out
exit-address-family
!
ip prefix-list p71 seq 5 permit 10.0.0.71/32
ip prefix-list p72 seq 5 permit 10.0.0.72/32
!
route-map r8 permit 10
match ip address prefix-list p71
set metric igp
route-map r8 permit 20
match ip address prefix-list p72
set metric aigp
exit

36
tests/topotests/bgp_aigp/test_bgp_aigp.py
View File

@ -17,6 +17,8 @@ and 10 appropriately.
r1 receives routes with aigp-metric TLV 81, 91 and 82, 92 respectively.
r1 advertises MED from IGP protocol (set metric igp) to r8.
r1 advertises MED from AIGP (set metric aigp) to r8.
"""
import os
@ -150,9 +152,16 @@ def test_bgp_aigp():
expected = {"paths": [{"aigpMetric": aigp, "valid": True}]}
return topotest.json_cmp(output, expected)
def _bgp_check_received_med(med):
output = json.loads(r8.vtysh_cmd("show bgp ipv4 unicast 10.0.0.71/32 json"))
expected = {"paths": [{"metric": med, "valid": True}]}
def _bgp_check_received_med():
output = json.loads(
r8.vtysh_cmd("show bgp ipv4 unicast 10.0.0.64/28 longer-prefixes json")
)
expected = {
"routes": {
"10.0.0.71/32": [{"valid": True, "metric": 20}],
"10.0.0.72/32": [{"valid": True, "metric": 112}],
}
}
return topotest.json_cmp(output, expected)
def _bgp_check_aigp_metric_bestpath():
@ -264,23 +273,12 @@ def test_bgp_aigp():
_, result = topotest.run_and_expect(test_func, None, count=60, wait=1)
assert result is None, "AIGP attribute is not considered in best-path selection"
# r8, check if MED is set to 20 (derived from `set metric igp`)
test_func = functools.partial(_bgp_check_received_med, 20)
# r8, check if MED is set derived from `set metric igp`, and `set metric aigp`
test_func = functools.partial(_bgp_check_received_med)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
assert result is None, "MED attribute value is not 20"
r1.vtysh_cmd(
"""
configure terminal
route-map r8 permit 10
set metric aigp
"""
)
# r8, check if MED is set to 111 (derived from `set metric aigp`)
test_func = functools.partial(_bgp_check_received_med, 111)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
assert result is None, "MED attribute value is not 111"
assert (
result is None
), "MED attribute values are not derived from `set metric [a]igp`"
if __name__ == "__main__":