def test_17_check_shutdown(self):
g1 = self.gobgp
q1 = self.quaggas['q1']
q2 = self.quaggas['q2']
q3 = self.quaggas['q3']
q2.add_route('20.0.0.0/24')
q3.add_route('20.0.0.0/24')
self.test_01_neighbor_established()
self.test_02_check_gobgp_global_rib()
paths = q1.get_global_rib('20.0.0.0/24')
self.assertEqual(len(paths), 1)
n_addrs = [i[1].split('/')[0] for i in self.gobgp.ip_addrs]
self.assertIn(paths[0]['nexthop'], n_addrs)
q3.stop()
self.gobgp.wait_for(expected_state=BGP_FSM_ACTIVE, peer=q3)
def f():
paths = q1.get_global_rib('20.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertIn(paths[0]['nexthop'], n_addrs)
assert_several_times(f)
g1.del_peer(q3)
del self.quaggas['q3']
def test_02_check_g1_global_rib(self):
def f():
rib = self.g1.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 3)
assert_several_times(f)
def test_05_check_remove_private_as_peer_all(self):
g3 = GoBGPContainer(name='g3',
asn=100,
router_id='192.168.0.4',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level)
g4 = GoBGPContainer(name='g4',
asn=200,
router_id='192.168.0.5',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level)
time.sleep(max(ctn.run() for ctn in [g3, g4]))
self.ctns['g3'] = g3
self.ctns['g4'] = g4
self.g2.add_peer(g3)
g3.add_peer(self.g2)
g3.add_peer(g4, remove_private_as='all')
g4.add_peer(g3)
self.g2.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g3)
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
def f():
rib = g4.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 1)
self.assertEqual(rib[0]['paths'][0]['aspath'], [100])
assert_several_times(f)
def test_05_check_remove_private_as_peer_all(self):
g3 = GoBGPContainer(name='g3', asn=100, router_id='192.168.0.4',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level)
g4 = GoBGPContainer(name='g4', asn=200, router_id='192.168.0.5',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level)
time.sleep(max(ctn.run() for ctn in [g3, g4]))
self.ctns['g3'] = g3
self.ctns['g4'] = g4
self.g2.add_peer(g3)
g3.add_peer(self.g2)
g3.add_peer(g4, remove_private_as='all')
g4.add_peer(g3)
self.g2.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g3)
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
def f():
rib = g4.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 1)
self.assertEqual(rib[0]['paths'][0]['aspath'], [100])
assert_several_times(f)
def test_02_check_g1_global_rib(self):
def f():
rib = self.g1.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 3)
assert_several_times(f)
def test_18_check_withdrawal(self):
g1 = self.gobgp
q1 = self.quaggas['q1']
q2 = self.quaggas['q2']
g1.add_route('30.0.0.0/24')
q1.add_route('30.0.0.0/24')
self.test_01_neighbor_established()
self.test_02_check_gobgp_global_rib()
paths = g1.get_adj_rib_out(q1, '30.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertNotIn('source-id', paths[0])
paths = g1.get_adj_rib_out(q2, '30.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertNotIn('source-id', paths[0])
g1.local('gobgp global rib del 30.0.0.0/24')
def f():
paths = g1.get_adj_rib_out(q1, '30.0.0.0/24')
self.assertEqual(len(paths), 0)
paths = g1.get_adj_rib_out(q2, '30.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertEqual(paths[0]['source-id'], '192.168.0.2')
assert_several_times(f)
def test_18_check_withdrawal(self):
g1 = self.gobgp
q1 = self.quaggas['q1']
q2 = self.quaggas['q2']
g1.add_route('30.0.0.0/24')
q1.add_route('30.0.0.0/24')
self.test_01_neighbor_established()
self.test_02_check_gobgp_global_rib()
paths = g1.get_adj_rib_out(q1, '30.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertNotIn('source-id', paths[0])
paths = g1.get_adj_rib_out(q2, '30.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertNotIn('source-id', paths[0])
g1.local('gobgp global rib del 30.0.0.0/24')
def f():
paths = g1.get_adj_rib_out(q1, '30.0.0.0/24')
self.assertEqual(len(paths), 0)
paths = g1.get_adj_rib_out(q2, '30.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertEqual(paths[0]['source-id'], '192.168.0.2')
assert_several_times(f)
def test_17_check_shutdown(self):
g1 = self.gobgp
q1 = self.quaggas['q1']
q2 = self.quaggas['q2']
q3 = self.quaggas['q3']
q2.add_route('20.0.0.0/24')
q3.add_route('20.0.0.0/24')
self.test_01_neighbor_established()
self.test_02_check_gobgp_global_rib()
paths = q1.get_global_rib('20.0.0.0/24')
self.assertEqual(len(paths), 1)
n_addrs = [i[1].split('/')[0] for i in self.gobgp.ip_addrs]
self.assertIn(paths[0]['nexthop'], n_addrs)
q3.stop()
self.gobgp.wait_for(expected_state=BGP_FSM_ACTIVE, peer=q3)
def f():
paths = q1.get_global_rib('20.0.0.0/24')
self.assertEqual(len(paths), 1)
self.assertIn(paths[0]['nexthop'], n_addrs)
assert_several_times(f)
g1.del_peer(q3)
del self.quaggas['q3']
def test_06_nexthop_unreachable(self):
# Test to update the nexthop state if nexthop become unreachable by
# link down. If the link r2-r3 and r2-r4 goes down, there is no route
# to r3.
def _f_r2():
self.assertEqual(
self.r2.local(
"gobgp global rib -a ipv4 10.3.1.0/24"
" | grep '^* ' > /dev/null"
" && echo OK || echo NG",
capture=True), 'OK')
def _f_r1():
self.assertEqual(
self.r1.local(
"gobgp global rib -a ipv4 10.3.1.0/24"
"| grep 'Network not in table' > /dev/null"
" && echo OK || echo NG",
capture=True), 'OK')
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s down' % ifname)
ifname = get_ifname_with_prefix('192.168.24.4/24', f=self.r4.local)
self.r4.local('ip link set %s down' % ifname)
assert_several_times(f=_f_r2, t=120)
assert_several_times(f=_f_r1, t=120)
# Confirm the stability of the nexthop state
for _ in range(10):
time.sleep(1)
_f_r2()
_f_r1()
def test_03_check_g2_global_rib(self):
def f():
rib = self.g2.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 1)
self.assertEqual(rib[0]['paths'][0]['aspath'], [100])
assert_several_times(f)
def test_17_check_g2_global_rib(self):
def f():
rib = self.g2.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 1)
self.assertEqual(rib[0]['paths'][0]['aspath'], [100, 200])
assert_several_times(f)
def test_18_check_g3_global_rib(self):
def f():
rib = self.g3.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 2)
for path in rib[0]['paths']:
self.assertIn(path['aspath'], ([100, 200, 300], [100, 200]))
assert_several_times(f)
def test_04_check_accept_as_loop(self):
def f():
adj = self.g2.get_neighbor(self.q1)['state']['adj-table']
self.assertTrue('received' in adj)
self.assertEqual(adj['received'], 1)
self.assertTrue('accepted' in adj)
self.assertEqual(adj['accepted'], 1)
assert_several_times(f)
def test_04_check_accept_as_loop(self):
def f():
s = self.g2.get_neighbor(self.q1)['state']
self.assertTrue('received' in s)
self.assertEqual(s.get('received', 0), 1)
self.assertTrue('accepted' in s)
self.assertEqual(s.get('accepted', 0), 1)
assert_several_times(f)
def test_04_check_accept_as_loop(self):
def f():
s = self.g2.get_neighbor(self.q1)['state']
self.assertTrue('received' in s)
self.assertEqual(s.get('received', 0), 1)
self.assertTrue('accepted' in s)
self.assertEqual(s.get('accepted', 0), 1)
assert_several_times(f)
def test_04_check_accept_as_loop(self):
def f():
adj = self.g2.get_neighbor(self.q1)['state']['adj-table']
self.assertTrue('received' in adj)
self.assertEqual(adj['received'], 1)
self.assertTrue('accepted' in adj)
self.assertEqual(adj['accepted'], 1)
assert_several_times(f)
def test_18_check_g3_global_rib(self):
def f():
rib = self.g3.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 2)
for path in rib[0]['paths']:
self.assertIn(path['aspath'], ([100, 200, 300],
[100, 200]))
assert_several_times(f)
def test_02_check_reject_as_loop(self):
def f():
s = self.g2.get_neighbor(self.q1)['state']
self.assertTrue('received' in s)
self.assertEqual(s.get('received', 0), 1)
# hacky. 'accepted' is zero so the key was deleted due to
# omitempty tag in bgp_configs.go.
self.assertFalse('accepted' in s)
assert_several_times(f)
def test_02_check_reject_as_loop(self):
def f():
adj = self.g2.get_neighbor(self.q1)['state']['adj-table']
self.assertTrue('received' in adj)
self.assertEqual(adj['received'], 1)
# hacky. 'accepted' is zero so the key was deleted due to
# omitempty tag in bgp_configs.go.
self.assertFalse('accepted' in adj)
assert_several_times(f)
def test_02_OSPF_established(self):
# Test to start OSPF connection up between r2-r3 and receive the route
# to r3's loopback '10.3.1.1'.
def _f():
self.assertEqual(self.r2.local(
"vtysh -c 'show ip ospf route'"
" | grep '10.3.1.1/32' > /dev/null"
" && echo OK || echo NG",
capture=True), 'OK')
assert_several_times(f=_f, t=120)
def test_02_OSPF_established(self):
# Test to start OSPF connection up between r2-r3 and receive the route
# to r3's loopback '10.3.1.1'.
def _f():
self.assertEqual(self.r2.local(
"vtysh -c 'show ip ospf route'"
" | grep '10.3.1.1/32' > /dev/null"
" && echo OK || echo NG",
capture=True), 'OK')
assert_several_times(f=_f, t=120)
def test_14_check_g1_global_rib(self):
def f():
rib = self.g1.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 3)
for path in rib[0]['paths']:
self.assertIn(path['aspath'],
([100, 200, 300], [100, 200], []))
if not path['aspath']: # path['aspath'] == []
self.assertEqual(path['local-pref'], 500)
assert_several_times(f)
def test_06_check_remove_private_as_peer_replace(self):
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g3.update_peer(g4, remove_private_as='replace')
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
def f():
rib = g4.get_global_rib()
self.assertEqual(rib[0]['paths'][0]['aspath'], [100, 100, 100, 100])
assert_several_times(f)
def test_06_check_remove_private_as_peer_replace(self):
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g3.update_peer(g4, remove_private_as='replace')
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
def f():
rib = g4.get_global_rib()
self.assertEqual(rib[0]['paths'][0]['aspath'], [100, 100, 100, 100])
assert_several_times(f)
def test_14_check_g1_global_rib(self):
def f():
rib = self.g1.get_global_rib()
self.assertEqual(len(rib), 1)
self.assertEqual(len(rib[0]['paths']), 3)
for path in rib[0]['paths']:
self.assertIn(path['aspath'], ([100, 200, 300],
[100, 200],
[]))
if not path['aspath']: # path['aspath'] == []
self.assertEqual(path['local-pref'], 500)
assert_several_times(f)
def test_03_add_ipv4_route(self):
# Test to add IPv4 route to '10.3.1.0/24' whose nexthop is r3's
# loopback '10.3.1.1'. Also, test to receive the initial MED/Metric.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
self.r2.local(
'gobgp global rib add -a ipv4 10.3.1.0/24 nexthop 10.3.1.1')
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
# Test if the path, which came after the NEXTHOP_UPDATE message was
# received from Zebra, is updated by reflecting the nexthop cache.
self.r2.local(
'gobgp global rib add -a ipv4 10.3.2.0/24 nexthop 10.3.1.1')
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.2.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.2.0/24', med))
self.r2.local(
'gobgp global rib del -a ipv4 10.3.2.0/24')
def test_03_add_ipv4_route(self):
# Test to add IPv4 route to '10.3.1.0/24' whose nexthop is r3's
# loopback '10.3.1.1'. Also, test to receive the initial MED/Metric.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
self.r2.local(
'gobgp global rib add -a ipv4 10.3.1.0/24 nexthop 10.3.1.1')
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
# Test if the path, which came after the NEXTHOP_UPDATE message was
# received from Zebra, is updated by reflecting the nexthop cache.
self.r2.local(
'gobgp global rib add -a ipv4 10.3.2.0/24 nexthop 10.3.1.1')
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.2.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.2.0/24', med))
self.r2.local(
'gobgp global rib del -a ipv4 10.3.2.0/24')
def test_07_nexthop_restore(self):
# Test to update the nexthop state if the Metric to that nexthop is
# changed. If the link r2-r3 goes up again, MED/Metric should be update
# with the initial value.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s up' % ifname)
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
def test_06_link_r2_r4_restore(self):
# Test to update the nexthop state if nexthop become reachable again.
# If the link r2-r4 goes up again, MED/Metric should be the value of
# the path going through r4.
# MED/Metric = 10(r2 to r4) + 10(r4 to r3) + 10(r3-ethX to r3-lo)
med = 30
ifname = get_ifname_with_prefix('192.168.24.4/24', f=self.r4.local)
self.r4.local('ip link set %s up' % ifname)
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
def test_06_link_r2_r4_restore(self):
# Test to update the nexthop state if nexthop become reachable again.
# If the link r2-r4 goes up again, MED/Metric should be the value of
# the path going through r4.
# MED/Metric = 10(r2 to r4) + 10(r4 to r3) + 10(r3-ethX to r3-lo)
med = 30
ifname = get_ifname_with_prefix('192.168.24.4/24', f=self.r4.local)
self.r4.local('ip link set %s up' % ifname)
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
def test_04_link_r2_r3_down(self):
# Test to update MED to the nexthop if the Metric to that nexthop is
# changed by the link down. If the link r2-r3 goes down, MED/Metric
# should be increased.
# MED/Metric = 10(r2 to r4) + 10(r4 to r3) + 10(r3-ethX to r3-lo)
med = 30
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s down' % ifname)
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
def test_04_check_accept_as_loop(self):
def f():
r = self.g2.get_neighbor(self.q1)
self.assertTrue('afi_safis' in r)
received = 0
accepted = 0
for afisafi in r['afi_safis']:
self.assertTrue('state' in afisafi)
s = afisafi.get('state')
received += s.get('received')
accepted += s.get('accepted')
self.assertEqual(received, 1)
self.assertEqual(accepted, 1)
assert_several_times(f)
def test_07_nexthop_restore(self):
# Test to update the nexthop state if the Metric to that nexthop is
# changed. If the link r2-r3 goes up again, MED/Metric should be update
# with the initial value.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s up' % ifname)
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
def test_04_link_r2_r3_down(self):
# Test to update MED to the nexthop if the Metric to that nexthop is
# changed by the link down. If the link r2-r3 goes down, MED/Metric
# should be increased.
# MED/Metric = 10(r2 to r4) + 10(r4 to r3) + 10(r3-ethX to r3-lo)
med = 30
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s down' % ifname)
assert_several_times(
f=lambda: self._assert_med_equal(self.r2, '10.3.1.0/24', med))
assert_several_times(
f=lambda: self._assert_med_equal(self.r1, '10.3.1.0/24', med))
def test_04_check_accept_as_loop(self):
def f():
r = self.g2.get_neighbor(self.q1)
self.assertTrue('afi_safis' in r)
received = 0
accepted = 0
for afisafi in r['afi_safis']:
self.assertTrue('state' in afisafi)
s = afisafi.get('state')
received += s.get('received')
accepted += s.get('accepted')
self.assertEqual(received, 1)
self.assertEqual(accepted, 1)
assert_several_times(f)
def test_02_check_reject_as_loop(self):
def f():
r = self.g2.get_neighbor(self.q1)
self.assertTrue('afi_safis' in r)
received = 0
for afisafi in r['afi_safis']:
self.assertTrue('state' in afisafi)
s = afisafi.get('state')
self.assertTrue('received' in s)
received += s.get('received')
# hacky. 'accepted' is zero so the key was deleted due to
# omitempty tag in bgp_configs.go.
self.assertFalse(s.get('accepted'), None)
self.assertEqual(received, 1)
assert_several_times(f)
def test_02_check_reject_as_loop(self):
def f():
r = self.g2.get_neighbor(self.q1)
self.assertTrue('afi_safis' in r)
received = 0
for afisafi in r['afi_safis']:
self.assertTrue('state' in afisafi)
s = afisafi.get('state')
self.assertTrue('received' in s)
received += s.get('received')
# hacky. 'accepted' is zero so the key was deleted due to
# omitempty tag in bgp_configs.go.
self.assertFalse(s.get('accepted'), None)
self.assertEqual(received, 1)
assert_several_times(f)
def test_07_check_replace_peer_as(self):
g5 = GoBGPContainer(name='g5', asn=100, router_id='192.168.0.6',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level)
time.sleep(g5.run())
g4 = self.ctns['g4']
g4.add_peer(g5, replace_peer_as=True)
g5.add_peer(g4)
g4.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g5)
def f():
rib = g5.get_global_rib()
self.assertEqual(rib[0]['paths'][0]['aspath'], [200, 200, 200, 200, 200])
assert_several_times(f)
def test_07_check_replace_peer_as(self):
g5 = GoBGPContainer(name='g5', asn=100, router_id='192.168.0.6',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level)
time.sleep(g5.run())
g4 = self.ctns['g4']
g4.add_peer(g5, replace_peer_as=True)
g5.add_peer(g4)
g4.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g5)
def f():
rib = g5.get_global_rib()
self.assertEqual(rib[0]['paths'][0]['aspath'], [200, 200, 200, 200, 200])
assert_several_times(f)
def test_03_add_ipv4_route(self):
# Test to add IPv4 route to '10.3.1.0/24' whose nexthop is r3's
# loopback '10.3.1.1'. Also, test to receive the initial MED/Metric.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
def _f_r2():
self._assert_med_equal(self.r2, '10.3.1.0/24', med)
def _f_r1():
self._assert_med_equal(self.r1, '10.3.1.0/24', med)
self.r2.local(
'gobgp global rib add -a ipv4 10.3.1.0/24 nexthop 10.3.1.1')
assert_several_times(f=_f_r2)
assert_several_times(f=_f_r1)
def test_05_link_r2_r3_restore(self):
# Test to update MED to the nexthop if the Metric to that nexthop is
# changed by the link up again. If the link r2-r3 goes up again,
# MED/Metric should be update with the initial value.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
def _f_r2():
self._assert_med_equal(self.r2, '10.3.1.0/24', med)
def _f_r1():
self._assert_med_equal(self.r1, '10.3.1.0/24', med)
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s up' % ifname)
assert_several_times(f=_f_r2)
assert_several_times(f=_f_r1)
def test_07_nexthop_restore(self):
# Test to update the nexthop state if nexthop become reachable again.
# If the link r2-r3 and r2-r4 goes up again, MED/Metric should be
# update with the initial value.
# MED/Metric = 10(r2 to r3) + 10(r3-ethX to r3-lo)
med = 20
def _f_r2():
self._assert_med_equal(self.r2, '10.3.1.0/24', med)
def _f_r1():
self._assert_med_equal(self.r1, '10.3.1.0/24', med)
ifname = get_ifname_with_prefix('192.168.23.3/24', f=self.r3.local)
self.r3.local('ip link set %s up' % ifname)
ifname = get_ifname_with_prefix('192.168.24.4/24', f=self.r4.local)
self.r4.local('ip link set %s up' % ifname)
assert_several_times(f=_f_r2)
assert_several_times(f=_f_r1)
def test_05_nexthop_unreachable(self):
# Test to update the nexthop state if nexthop become unreachable by
# link down. If the link r2-r3 and r2-r4 goes down, there is no route
# to r3.
def _f_r2(prefix):
self.assertEqual(
self.r2.local(
"gobgp global rib -a ipv4 %s"
" | grep '^* ' > /dev/null" # not best "*>"
" && echo OK || echo NG" % prefix,
capture=True),
'OK')
def _f_r1(prefix):
self.assertEqual(
self.r1.local("gobgp global rib -a ipv4 %s"
"| grep 'Network not in table' > /dev/null"
" && echo OK || echo NG" % prefix,
capture=True), 'OK')
ifname = get_ifname_with_prefix('192.168.24.4/24', f=self.r4.local)
self.r4.local('ip link set %s down' % ifname)
assert_several_times(f=lambda: _f_r2("10.3.1.0/24"), t=120)
assert_several_times(f=lambda: _f_r1("10.3.1.0/24"), t=120)
# Test if the path, which came after the NEXTHOP_UPDATE message was
# received from Zebra, is updated by reflecting the nexthop cache.
self.r2.local(
'gobgp global rib add -a ipv4 10.3.2.0/24 nexthop 10.3.1.1')
assert_several_times(f=lambda: _f_r2("10.3.2.0/24"), t=120)
assert_several_times(f=lambda: _f_r1("10.3.2.0/24"), t=120)
# Confirm the stability of the nexthop state
for _ in range(10):
time.sleep(1)
_f_r2("10.3.1.0/24")
_f_r1("10.3.1.0/24")
_f_r2("10.3.2.0/24")
_f_r1("10.3.2.0/24")
def test_05_nexthop_unreachable(self):
# Test to update the nexthop state if nexthop become unreachable by
# link down. If the link r2-r3 and r2-r4 goes down, there is no route
# to r3.
def _f_r2(prefix):
self.assertEqual(self.r2.local(
"gobgp global rib -a ipv4 %s"
" | grep '^* ' > /dev/null" # not best "*>"
" && echo OK || echo NG" % prefix,
capture=True), 'OK')
def _f_r1(prefix):
self.assertEqual(self.r1.local(
"gobgp global rib -a ipv4 %s"
"| grep 'Network not in table' > /dev/null"
" && echo OK || echo NG" % prefix,
capture=True), 'OK')
ifname = get_ifname_with_prefix('192.168.24.4/24', f=self.r4.local)
self.r4.local('ip link set %s down' % ifname)
assert_several_times(f=lambda: _f_r2("10.3.1.0/24"), t=120)
assert_several_times(f=lambda: _f_r1("10.3.1.0/24"), t=120)
# Test if the path, which came after the NEXTHOP_UPDATE message was
# received from Zebra, is updated by reflecting the nexthop cache.
self.r2.local(
'gobgp global rib add -a ipv4 10.3.2.0/24 nexthop 10.3.1.1')
assert_several_times(f=lambda: _f_r2("10.3.2.0/24"), t=120)
assert_several_times(f=lambda: _f_r1("10.3.2.0/24"), t=120)
# Confirm the stability of the nexthop state
for _ in range(10):
time.sleep(1)
_f_r2("10.3.1.0/24")
_f_r1("10.3.1.0/24")
_f_r2("10.3.2.0/24")
_f_r1("10.3.2.0/24")
def test_04_check_accept_as_loop(self):
def f():
self.assertEqual(len(self.g2.get_global_rib()), 1)
assert_several_times(f)
def test_02_check_reject_as_loop(self):
def f():
self.assertEqual(len(self.g2.get_global_rib()), 0)
assert_several_times(f)
