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#!/usr/bin/env python3
#
# Copyright (C) 2021-2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.utils.process import process_named_running
PROCESS_NAME = 'bfdd'
base_path = ['protocols', 'bfd']
dum_if = 'dum1001'
vrf_name = 'red'
peers = {
'192.0.2.10' : {
'intv_rx' : '500',
'intv_tx' : '600',
'multihop' : '',
'source_addr': '192.0.2.254',
'profile' : 'foo-bar-baz',
'minimum_ttl': '20',
},
'192.0.2.20' : {
'echo_mode' : '',
'intv_echo' : '100',
'intv_mult' : '100',
'intv_rx' : '222',
'intv_tx' : '333',
'passive' : '',
'shutdown' : '',
'profile' : 'foo',
'source_intf': dum_if,
},
'2001:db8::1000:1' : {
'source_addr': '2001:db8::1',
'vrf' : vrf_name,
},
'2001:db8::2000:1' : {
'source_addr': '2001:db8::1',
'multihop' : '',
'profile' : 'baz_foo',
},
}
profiles = {
'foo' : {
'echo_mode' : '',
'intv_echo' : '100',
'intv_mult' : '101',
'intv_rx' : '222',
'intv_tx' : '333',
'shutdown' : '',
'minimum_ttl': '40',
},
'foo-bar-baz' : {
'intv_mult' : '4',
'intv_rx' : '400',
'intv_tx' : '400',
},
'baz_foo' : {
'intv_mult' : '102',
'intv_rx' : '444',
'passive' : '',
},
}
class TestProtocolsBFD(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestProtocolsBFD, cls).setUpClass()
# Retrieve FRR daemon PID - it is not allowed to crash, thus PID must remain the same
cls.daemon_pid = process_named_running(PROCESS_NAME)
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
def tearDown(self):
self.cli_delete(base_path)
self.cli_commit()
# check process health and continuity
self.assertEqual(self.daemon_pid, process_named_running(PROCESS_NAME))
def test_bfd_peer(self):
self.cli_set(['vrf', 'name', vrf_name, 'table', '1000'])
for peer, peer_config in peers.items():
if 'echo_mode' in peer_config:
self.cli_set(base_path + ['peer', peer, 'echo-mode'])
if 'intv_echo' in peer_config:
self.cli_set(base_path + ['peer', peer, 'interval', 'echo-interval', peer_config["intv_echo"]])
if 'intv_mult' in peer_config:
self.cli_set(base_path + ['peer', peer, 'interval', 'multiplier', peer_config["intv_mult"]])
if 'intv_rx' in peer_config:
self.cli_set(base_path + ['peer', peer, 'interval', 'receive', peer_config["intv_rx"]])
if 'intv_tx' in peer_config:
self.cli_set(base_path + ['peer', peer, 'interval', 'transmit', peer_config["intv_tx"]])
if 'minimum_ttl' in peer_config:
self.cli_set(base_path + ['peer', peer, 'minimum-ttl', peer_config["minimum_ttl"]])
if 'multihop' in peer_config:
self.cli_set(base_path + ['peer', peer, 'multihop'])
if 'passive' in peer_config:
self.cli_set(base_path + ['peer', peer, 'passive'])
if 'shutdown' in peer_config:
self.cli_set(base_path + ['peer', peer, 'shutdown'])
if 'source_addr' in peer_config:
self.cli_set(base_path + ['peer', peer, 'source', 'address', peer_config["source_addr"]])
if 'source_intf' in peer_config:
self.cli_set(base_path + ['peer', peer, 'source', 'interface', peer_config["source_intf"]])
if 'vrf' in peer_config:
self.cli_set(base_path + ['peer', peer, 'vrf', peer_config["vrf"]])
# commit changes
self.cli_commit()
# Verify FRR bgpd configuration
frrconfig = self.getFRRconfig('bfd', daemon=PROCESS_NAME)
for peer, peer_config in peers.items():
tmp = f'peer {peer}'
if 'multihop' in peer_config:
tmp += f' multihop'
if 'source_addr' in peer_config:
tmp += f' local-address {peer_config["source_addr"]}'
if 'source_intf' in peer_config:
tmp += f' interface {peer_config["source_intf"]}'
if 'vrf' in peer_config:
tmp += f' vrf {peer_config["vrf"]}'
self.assertIn(tmp, frrconfig)
peerconfig = self.getFRRconfig(f' peer {peer}', end='', daemon=PROCESS_NAME)
if 'echo_mode' in peer_config:
self.assertIn(f'echo-mode', peerconfig)
if 'intv_echo' in peer_config:
self.assertIn(f'echo receive-interval {peer_config["intv_echo"]}', peerconfig)
self.assertIn(f'echo transmit-interval {peer_config["intv_echo"]}', peerconfig)
if 'intv_mult' in peer_config:
self.assertIn(f'detect-multiplier {peer_config["intv_mult"]}', peerconfig)
if 'intv_rx' in peer_config:
self.assertIn(f'receive-interval {peer_config["intv_rx"]}', peerconfig)
if 'intv_tx' in peer_config:
self.assertIn(f'transmit-interval {peer_config["intv_tx"]}', peerconfig)
if 'minimum_ttl' in peer_config:
self.assertIn(f'minimum-ttl {peer_config["minimum_ttl"]}', peerconfig)
if 'passive' in peer_config:
self.assertIn(f'passive-mode', peerconfig)
if 'shutdown' in peer_config:
self.assertIn(f'shutdown', peerconfig)
else:
self.assertNotIn(f'shutdown', peerconfig)
self.cli_delete(['vrf', 'name', vrf_name])
def test_bfd_profile(self):
for profile, profile_config in profiles.items():
if 'echo_mode' in profile_config:
self.cli_set(base_path + ['profile', profile, 'echo-mode'])
if 'intv_echo' in profile_config:
self.cli_set(base_path + ['profile', profile, 'interval', 'echo-interval', profile_config["intv_echo"]])
if 'intv_mult' in profile_config:
self.cli_set(base_path + ['profile', profile, 'interval', 'multiplier', profile_config["intv_mult"]])
if 'intv_rx' in profile_config:
self.cli_set(base_path + ['profile', profile, 'interval', 'receive', profile_config["intv_rx"]])
if 'intv_tx' in profile_config:
self.cli_set(base_path + ['profile', profile, 'interval', 'transmit', profile_config["intv_tx"]])
if 'minimum_ttl' in profile_config:
self.cli_set(base_path + ['profile', profile, 'minimum-ttl', profile_config["minimum_ttl"]])
if 'passive' in profile_config:
self.cli_set(base_path + ['profile', profile, 'passive'])
if 'shutdown' in profile_config:
self.cli_set(base_path + ['profile', profile, 'shutdown'])
for peer, peer_config in peers.items():
if 'profile' in peer_config:
self.cli_set(base_path + ['peer', peer, 'profile', peer_config["profile"] + 'wrong'])
if 'source_addr' in peer_config:
self.cli_set(base_path + ['peer', peer, 'source', 'address', peer_config["source_addr"]])
if 'source_intf' in peer_config:
self.cli_set(base_path + ['peer', peer, 'source', 'interface', peer_config["source_intf"]])
# BFD profile does not exist!
with self.assertRaises(ConfigSessionError):
self.cli_commit()
for peer, peer_config in peers.items():
if 'profile' in peer_config:
self.cli_set(base_path + ['peer', peer, 'profile', peer_config["profile"]])
# commit changes
self.cli_commit()
# Verify FRR bgpd configuration
for profile, profile_config in profiles.items():
config = self.getFRRconfig(f' profile {profile}', endsection='^ !')
if 'echo_mode' in profile_config:
self.assertIn(f' echo-mode', config)
if 'intv_echo' in profile_config:
self.assertIn(f' echo receive-interval {profile_config["intv_echo"]}', config)
self.assertIn(f' echo transmit-interval {profile_config["intv_echo"]}', config)
if 'intv_mult' in profile_config:
self.assertIn(f' detect-multiplier {profile_config["intv_mult"]}', config)
if 'intv_rx' in profile_config:
self.assertIn(f' receive-interval {profile_config["intv_rx"]}', config)
if 'intv_tx' in profile_config:
self.assertIn(f' transmit-interval {profile_config["intv_tx"]}', config)
if 'minimum_ttl' in profile_config:
self.assertIn(f' minimum-ttl {profile_config["minimum_ttl"]}', config)
if 'passive' in profile_config:
self.assertIn(f' passive-mode', config)
if 'shutdown' in profile_config:
self.assertIn(f' shutdown', config)
else:
self.assertNotIn(f'shutdown', config)
for peer, peer_config in peers.items():
peerconfig = self.getFRRconfig(f' peer {peer}', end='', daemon=PROCESS_NAME)
if 'profile' in peer_config:
self.assertIn(f' profile {peer_config["profile"]}', peerconfig)
if __name__ == '__main__':
unittest.main(verbosity=2)
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