proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-07-27 10:04:18 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

topotests: bmp, test syncro for pre/post-policy of imported bgps

Browse Source 
Add a test that controls that the configuration of an imported
BGP instance triggers a re-syncronisation.
Ensure that changing an attribute like route distinguisher
triggers also a re-syncronisation.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2024-11-12 09:41:46 +01:00
parent ffdb4cd0f5
commit 51cedaa30c
5 changed files with 199 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
tests/topotests/bgp_bmp/bmp1import/bmp-update-loc-rib-step2.json Normal file
View File

@ -0,0 +1,34 @@
{
"loc-rib": {
"update": {
"172.31.0.77/32": {
"as_path": "",
"bgp_nexthop": "192.168.1.3",
"bmp_log_type": "update",
"ip_prefix": "172.31.0.77/32",
"is_filtered": false,
"origin": "IGP",
"peer_asn": 65501,
"peer_bgp_id": "192.168.0.1",
"peer_distinguisher": "666:22",
"peer_type": "loc-rib instance",
"policy": "loc-rib"
},
"2001::1125/128": {
"afi": 2,
"as_path": "",
"bmp_log_type": "update",
"ip_prefix": "2001::1125/128",
"is_filtered": false,
"nxhp_ip": "192:167::3",
"origin": "IGP",
"peer_asn": 65501,
"peer_bgp_id": "192.168.0.1",
"peer_distinguisher": "666:22",
"peer_type": "loc-rib instance",
"policy": "loc-rib",
"safi": 1
}
}
}
}

36
tests/topotests/bgp_bmp/bmp1import/bmp-update-post-policy-step2.json Normal file
View File

@ -0,0 +1,36 @@
{
"post-policy": {
"update": {
"172.31.0.77/32": {
"as_path": "",
"bgp_nexthop": "192.168.1.3",
"bmp_log_type": "update",
"ip_prefix": "172.31.0.77/32",
"ipv6": false,
"origin": "IGP",
"peer_asn": 65501,
"peer_bgp_id": "192.168.1.3",
"peer_distinguisher": "666:22",
"peer_ip": "192.168.1.3",
"peer_type": "route distinguisher instance",
"policy": "post-policy"
},
"2001::1125/128": {
"afi": 2,
"as_path": "",
"bmp_log_type": "update",
"ip_prefix": "2001::1125/128",
"ipv6": true,
"nxhp_ip": "192:167::3",
"origin": "IGP",
"peer_asn": 65501,
"peer_bgp_id": "192.168.1.3",
"peer_distinguisher": "666:22",
"peer_ip": "192:167::3",
"peer_type": "route distinguisher instance",
"policy": "post-policy",
"safi": 1
}
}
}
}

36
tests/topotests/bgp_bmp/bmp1import/bmp-update-pre-policy-step2.json Normal file
View File

@ -0,0 +1,36 @@
{
"pre-policy": {
"update": {
"172.31.0.77/32": {
"as_path": "",
"bgp_nexthop": "192.168.1.3",
"bmp_log_type": "update",
"ip_prefix": "172.31.0.77/32",
"ipv6": false,
"origin": "IGP",
"peer_asn": 65501,
"peer_bgp_id": "192.168.1.3",
"peer_distinguisher": "666:22",
"peer_ip": "192.168.1.3",
"peer_type": "route distinguisher instance",
"policy": "pre-policy"
},
"2001::1125/128": {
"afi": 2,
"as_path": "",
"bmp_log_type": "update",
"ip_prefix": "2001::1125/128",
"ipv6": true,
"nxhp_ip": "192:167::3",
"origin": "IGP",
"peer_asn": 65501,
"peer_bgp_id": "192.168.1.3",
"peer_distinguisher": "666:22",
"peer_ip": "192:167::3",
"peer_type": "route distinguisher instance",
"policy": "pre-policy",
"safi": 1
}
}
}
}

36
tests/topotests/bgp_bmp/bmp1import/bmp-withdraw-post-policy-step2.json
View File

@ -1,36 +0,0 @@
{
"post-policy": {
"withdraw": {
"2001::1111/128": {
"afi": 2,
"bmp_log_type": "withdraw",
"ip_prefix": "2001::1111/128",
"ipv6": true,
"label": 0,
"peer_asn": 65502,
"peer_bgp_id": "192.168.0.2",
"peer_distinguisher": "0:0",
"peer_ip": "192:168::2",
"peer_type": "global instance",
"policy": "post-policy",
"rd": "555:2",
"safi": 128
},
"172.31.0.15/32": {
"afi": 1,
"bmp_log_type": "withdraw",
"ip_prefix": "172.31.0.15/32",
"ipv6": false,
"label": 0,
"peer_asn": 65502,
"peer_bgp_id": "192.168.0.2",
"peer_distinguisher": "0:0",
"peer_ip": "192.168.0.2",
"peer_type": "global instance",
"policy": "post-policy",
"rd": "444:2",
"safi": 128
}
}
}
}

96
tests/topotests/bgp_bmp/test_bgp_bmp_3.py
View File

@ -124,6 +124,32 @@ def test_bgp_convergence():
assert result is True, "BGP is not converging"
def _test_prefixes_syncro(policy, vrf=None, step=1):
"""
Check that the given policy has syncronised the previously received BGP
updates.
"""
tgen = get_topogen()
prefixes = ["172.31.0.77/32", "2001::1125/128"]
# check
test_func = partial(
bmp_check_for_prefixes,
prefixes,
"update",
policy,
step,
tgen.gears["bmp1import"],
os.path.join(tgen.logdir, "bmp1import"),
tgen.gears["r1import"],
f"{CWD}/bmp1import",
UPDATE_EXPECTED_JSON,
LOC_RIB,
)
success, res = topotest.run_and_expect(test_func, None, count=30, wait=1)
assert success, "Checking the updated prefixes has failed ! %s" % res
def _test_prefixes(policy, vrf=None, step=0):
"""
Setup the BMP monitor policy, Add and withdraw ipv4/v6 prefixes.
@ -270,6 +296,63 @@ def test_peer_down():
assert success, "Checking the updated prefixes has been failed !."
def test_reconfigure_prefixes():
"""
Reconfigured BGP networks from R3. Check for BGP VRF update messages
"""
tgen = get_topogen()
prefixes = ["172.31.0.77/32", "2001::1125/128"]
bgp_configure_prefixes(
tgen.gears["r3"],
65501,
"unicast",
prefixes,
vrf=None,
update=True,
)
for ipver in [4, 6]:
ref_file = "{}/r1import/show-bgp-{}-ipv{}-{}-step{}.json".format(
CWD, "vrf1", ipver, "update", 1
)
expected = json.loads(open(ref_file).read())
test_func = partial(
topotest.router_json_cmp,
tgen.gears["r1import"],
f"show bgp vrf vrf1 ipv{ipver} json",
expected,
)
_, res = topotest.run_and_expect(test_func, None, count=30, wait=1)
assertmsg = f"r1: BGP IPv{ipver} convergence failed"
assert res is None, assertmsg
def test_monitor_syncro():
"""
Checking for BMP peers down messages
"""
tgen = get_topogen()
tgen.gears["r1import"].vtysh_cmd(
"""
configure terminal
router bgp 65501
bmp targets bmp1
bmp import-vrf-view vrf1
"""
)
logger.info("*** Unicast prefixes pre-policy logging ***")
_test_prefixes_syncro(PRE_POLICY, vrf="vrf1")
logger.info("*** Unicast prefixes post-policy logging ***")
_test_prefixes_syncro(POST_POLICY, vrf="vrf1")
logger.info("*** Unicast prefixes loc-rib logging ***")
_test_prefixes_syncro(LOC_RIB, vrf="vrf1")
def test_reconfigure_route_distinguisher_vrf1():
"""
Checking for BMP peers down messages
@ -293,7 +376,7 @@ def test_reconfigure_route_distinguisher_vrf1():
"""
)
logger.info(
"checking for BMP peer down LOC-RIB message with route-distinguisher set to 444:1"
"Checking for BMP peer down LOC-RIB message with route-distinguisher set to 444:1"
)
test_func = partial(
bmp_check_for_peer_message,
@ -310,7 +393,7 @@ def test_reconfigure_route_distinguisher_vrf1():
), "Checking the BMP peer down LOC-RIB message with route-distinguisher set to 444:1 failed !."
logger.info(
"checking for BMP peer up LOC-RIB messages with route-distinguisher set to 666:22"
"Checking for BMP peer up LOC-RIB messages with route-distinguisher set to 666:22"
)
test_func = partial(
bmp_check_for_peer_message,
@ -327,7 +410,7 @@ def test_reconfigure_route_distinguisher_vrf1():
), "Checking the BMP peer up LOC-RIB message with route-distinguisher set to 666:22 failed !."
logger.info(
"checking for BMP peer up messages with route-distinguisher set to 666:22"
"Checking for BMP peer up messages with route-distinguisher set to 666:22"
)
peers = ["192.168.1.3", "192:167::3"]
test_func = partial(
@ -344,6 +427,13 @@ def test_reconfigure_route_distinguisher_vrf1():
success
), "Checking the BMP peer up messages with route-distinguisher set to 666:22 failed !."
logger.info("*** Unicast prefixes pre-policy logging ***")
_test_prefixes_syncro(PRE_POLICY, vrf="vrf1", step=2)
logger.info("*** Unicast prefixes post-policy logging ***")
_test_prefixes_syncro(POST_POLICY, vrf="vrf1", step=2)
logger.info("*** Unicast prefixes loc-rib logging ***")
_test_prefixes_syncro(LOC_RIB, vrf="vrf1", step=2)
def test_bgp_routerid_changed():
"""