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topotests: test leak from the default vrf

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Add tests in bgp_vrf_route_leak_basic topotest to check that route
leaking from the default VRF results in an operational route.

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Louis Scalbert 2024-02-01 11:44:06 +01:00
parent eeb9f76588
commit 8af61c8a34
4 changed files with 249 additions and 1 deletions
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8
tests/topotests/bgp_vrf_route_leak_basic/r1/bgpd.conf
View File

@ -1,11 +1,19 @@
hostname r1
router bgp 99
no bgp ebgp-requires-policy
address-family ipv4 unicast
redistribute connected
import vrf DONNA
!
!
router bgp 99 vrf DONNA
no bgp ebgp-requires-policy
address-family ipv4 unicast
redistribute connected
import vrf EVA
import vrf NOTEXISTING
import vrf default
!
!
router bgp 99 vrf EVA

4
tests/topotests/bgp_vrf_route_leak_basic/r1/zebra.conf
View File

@ -1,5 +1,9 @@
hostname r1
int dummy0
ip address 10.0.4.1/24
no shut
!
int dummy1
ip address 10.0.0.1/24
no shut

1
tests/topotests/bgp_vrf_route_leak_basic/setup_vrfs
View File

@ -3,6 +3,7 @@
ip link add DONNA type vrf table 1001
ip link add EVA type vrf table 1002
ip link add dummy0 type dummy # vrf default
ip link add dummy1 type dummy
ip link add dummy2 type dummy
ip link add dummy3 type dummy

237
tests/topotests/bgp_vrf_route_leak_basic/test_bgp-vrf-route-leak-basic.py
View File

@ -64,7 +64,7 @@ def teardown_module(mod):
tgen.stop_topology()
def test_vrf_route_leak():
def test_vrf_route_leak_donna():
logger.info("Ensure that routes are leaked back and forth")
tgen = get_topogen()
# Don't run this test if we have any failure.
@ -109,6 +109,20 @@ def test_vrf_route_leak():
],
},
],
"10.0.4.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "lo",
"vrf": "default",
"active": True,
},
],
},
],
"172.16.101.0/24": [
{
"protocol": "bgp",
@ -129,6 +143,16 @@ def test_vrf_route_leak():
result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
def test_vrf_route_leak_eva():
logger.info("Ensure that routes are leaked back and forth")
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
# Test EVA VRF.
expect = {
"10.0.0.0/24": [
@ -190,6 +214,217 @@ def test_vrf_route_leak():
assert result, "BGP VRF EVA check failed:\n{}".format(diff)
def test_vrf_route_leak_donna():
logger.info("Ensure that routes are leaked back and forth")
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
# Test DONNA VRF.
expect = {
"10.0.0.0/24": [
{
"protocol": "connected",
}
],
"10.0.1.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "EVA",
"vrf": "EVA",
"active": True,
},
],
},
],
"10.0.2.0/24": [{"protocol": "connected"}],
"10.0.3.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "EVA",
"vrf": "EVA",
"active": True,
},
],
},
],
"10.0.4.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "lo",
"vrf": "default",
"active": True,
},
],
},
],
"172.16.101.0/24": [
{
"protocol": "bgp",
"nexthops": [
{
"interfaceIndex": 0,
"interfaceName": "unknown",
"vrf": "Unknown",
},
],
},
],
}
test_func = partial(
topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
)
result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
def test_vrf_route_leak_eva():
logger.info("Ensure that routes are leaked back and forth")
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
# Test EVA VRF.
expect = {
"10.0.0.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "DONNA",
"vrf": "DONNA",
"active": True,
},
],
},
],
"10.0.1.0/24": [
{
"protocol": "connected",
}
],
"10.0.2.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "DONNA",
"vrf": "DONNA",
"active": True,
},
],
},
],
"10.0.3.0/24": [
{
"protocol": "connected",
}
],
"172.16.101.0/24": [
{
"protocol": "bgp",
"nexthops": [
{
"interfaceIndex": 0,
"interfaceName": "unknown",
"vrf": "Unknown",
},
],
},
],
}
def test_vrf_route_leak_default():
logger.info("Ensure that routes are leaked back and forth")
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
# Test default VRF.
expect = {
"10.0.0.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "DONNA",
"vrf": "DONNA",
"active": True,
},
],
},
],
"10.0.2.0/24": [
{
"protocol": "bgp",
"selected": True,
"nexthops": [
{
"fib": True,
"interfaceName": "DONNA",
"vrf": "DONNA",
"active": True,
},
],
},
],
"10.0.4.0/24": [
{
"protocol": "connected",
}
],
}
test_func = partial(topotest.router_json_cmp, r1, "show ip route json", expect)
result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
assert result, "BGP VRF default check failed:\n{}".format(diff)
def test_ping():
"Simple ping tests"
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
logger.info("Ping from default to DONNA")
output = r1.run("ping -c 4 -w 4 -I 10.0.4.1 10.0.0.1")
assert " 0% packet loss" in output, "Ping default->DONNA FAILED"
def test_memory_leak():
"Run the memory leak test and report results."
tgen = get_topogen()