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#!/usr/bin/env python3
#
# Copyright (C) 2021 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 ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.template import is_ipv6
from vyos.util import get_interface_config
base_path = ['protocols', 'static']
vrf_path = ['protocols', 'vrf']
routes = {
'10.0.0.0/8' : {
'next_hop' : {
'192.0.2.100' : { 'distance' : '100' },
'192.0.2.110' : { 'distance' : '110', 'interface' : 'eth0' },
'192.0.2.120' : { 'distance' : '120', 'disable' : '' },
},
'interface' : {
'eth0' : { 'distance' : '130' },
'eth1' : { 'distance' : '140' },
},
'blackhole' : { 'distance' : '250', 'tag' : '500' },
},
'172.16.0.0/12' : {
'interface' : {
'eth0' : { 'distance' : '50', 'vrf' : 'black' },
'eth1' : { 'distance' : '60', 'vrf' : 'black' },
},
'blackhole' : { 'distance' : '90' },
},
'192.0.2.0/24' : {
'interface' : {
'eth0' : { 'distance' : '50', 'vrf' : 'black' },
'eth1' : { 'disable' : '' },
},
'blackhole' : { 'distance' : '90' },
},
'100.64.0.0/10' : {
'blackhole' : { },
},
'2001:db8:100::/40' : {
'next_hop' : {
'2001:db8::1' : { 'distance' : '10' },
'2001:db8::2' : { 'distance' : '20', 'interface' : 'eth0' },
'2001:db8::3' : { 'distance' : '30', 'disable' : '' },
},
'interface' : {
'eth0' : { 'distance' : '40', 'vrf' : 'black' },
'eth1' : { 'distance' : '50', 'disable' : '' },
},
'blackhole' : { 'distance' : '250', 'tag' : '500' },
},
'2001:db8:200::/40' : {
'interface' : {
'eth0' : { 'distance' : '40' },
'eth1' : { 'distance' : '50', 'disable' : '' },
},
'blackhole' : { 'distance' : '250', 'tag' : '500' },
},
'2001:db8::/32' : {
'blackhole' : { 'distance' : '200', 'tag' : '600' },
},
}
tables = ['80', '81', '82']
class TestProtocolsStatic(VyOSUnitTestSHIM.TestCase):
def setUp(self):
# This is our "target" VRF when leaking routes:
self.cli_set(['vrf', 'name', 'black', 'table', '43210'])
def tearDown(self):
for route, route_config in routes.items():
route_type = 'route'
if is_ipv6(route):
route_type = 'route6'
self.cli_delete(base_path + [route_type, route])
for table in tables:
self.cli_delete(base_path + ['table', table])
tmp = self.getFRRconfig('', end='')
self.cli_commit()
def test_01_static(self):
for route, route_config in routes.items():
route_type = 'route'
if is_ipv6(route):
route_type = 'route6'
base = base_path + [route_type, route]
if 'next_hop' in route_config:
for next_hop, next_hop_config in route_config['next_hop'].items():
self.cli_set(base + ['next-hop', next_hop])
if 'disable' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'disable'])
if 'distance' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'distance', next_hop_config['distance']])
if 'interface' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'interface', next_hop_config['interface']])
if 'vrf' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'vrf', next_hop_config['vrf']])
if 'interface' in route_config:
for interface, interface_config in route_config['interface'].items():
self.cli_set(base + ['interface', interface])
if 'disable' in interface_config:
self.cli_set(base + ['interface', interface, 'disable'])
if 'distance' in interface_config:
self.cli_set(base + ['interface', interface, 'distance', interface_config['distance']])
if 'vrf' in interface_config:
self.cli_set(base + ['interface', interface, 'vrf', interface_config['vrf']])
if 'blackhole' in route_config:
self.cli_set(base + ['blackhole'])
if 'distance' in route_config['blackhole']:
self.cli_set(base + ['blackhole', 'distance', route_config['blackhole']['distance']])
if 'tag' in route_config['blackhole']:
self.cli_set(base + ['blackhole', 'tag', route_config['blackhole']['tag']])
# commit changes
self.cli_commit()
# Verify FRR bgpd configuration
frrconfig = self.getFRRconfig('ip route', end='')
# Verify routes
for route, route_config in routes.items():
ip_ipv6 = 'ip'
if is_ipv6(route):
ip_ipv6 = 'ipv6'
if 'next_hop' in route_config:
for next_hop, next_hop_config in route_config['next_hop'].items():
tmp = f'{ip_ipv6} route {route} {next_hop}'
if 'interface' in next_hop_config:
tmp += ' ' + next_hop_config['interface']
if 'distance' in next_hop_config:
tmp += ' ' + next_hop_config['distance']
if 'vrf' in next_hop_config:
tmp += ' nexthop-vrf ' + next_hop_config['vrf']
if 'disable' in next_hop_config:
self.assertNotIn(tmp, frrconfig)
else:
self.assertIn(tmp, frrconfig)
if 'interface' in route_config:
for interface, interface_config in route_config['interface'].items():
tmp = f'{ip_ipv6} route {route} {interface}'
if 'interface' in interface_config:
tmp += ' ' + interface_config['interface']
if 'distance' in interface_config:
tmp += ' ' + interface_config['distance']
if 'vrf' in interface_config:
tmp += ' nexthop-vrf ' + interface_config['vrf']
if 'disable' in interface_config:
self.assertNotIn(tmp, frrconfig)
else:
self.assertIn(tmp, frrconfig)
if 'blackhole' in route_config:
tmp = f'{ip_ipv6} route {route} blackhole'
if 'tag' in route_config['blackhole']:
tmp += ' tag ' + route_config['blackhole']['tag']
if 'distance' in route_config['blackhole']:
tmp += ' ' + route_config['blackhole']['distance']
self.assertIn(tmp, frrconfig)
def test_02_static_table(self):
for table in tables:
for route, route_config in routes.items():
route_type = 'route'
if is_ipv6(route):
route_type = 'route6'
base = base_path + ['table', table, route_type, route]
if 'next_hop' in route_config:
for next_hop, next_hop_config in route_config['next_hop'].items():
self.cli_set(base + ['next-hop', next_hop])
if 'disable' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'disable'])
if 'distance' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'distance', next_hop_config['distance']])
if 'interface' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'interface', next_hop_config['interface']])
if 'vrf' in next_hop_config:
self.cli_set(base + ['next-hop', next_hop, 'vrf', next_hop_config['vrf']])
if 'interface' in route_config:
for interface, interface_config in route_config['interface'].items():
self.cli_set(base + ['interface', interface])
if 'disable' in interface_config:
self.cli_set(base + ['interface', interface, 'disable'])
if 'distance' in interface_config:
self.cli_set(base + ['interface', interface, 'distance', interface_config['distance']])
if 'vrf' in interface_config:
self.cli_set(base + ['interface', interface, 'vrf', interface_config['vrf']])
if 'blackhole' in route_config:
self.cli_set(base + ['blackhole'])
if 'distance' in route_config['blackhole']:
self.cli_set(base + ['blackhole', 'distance', route_config['blackhole']['distance']])
if 'tag' in route_config['blackhole']:
self.cli_set(base + ['blackhole', 'tag', route_config['blackhole']['tag']])
# commit changes
self.cli_commit()
# Verify FRR bgpd configuration
frrconfig = self.getFRRconfig('ip route', end='')
for table in tables:
# Verify routes
for route, route_config in routes.items():
ip_ipv6 = 'ip'
if is_ipv6(route):
ip_ipv6 = 'ipv6'
if 'next_hop' in route_config:
for next_hop, next_hop_config in route_config['next_hop'].items():
tmp = f'{ip_ipv6} route {route} {next_hop}'
if 'interface' in next_hop_config:
tmp += ' ' + next_hop_config['interface']
if 'distance' in next_hop_config:
tmp += ' ' + next_hop_config['distance']
if 'vrf' in next_hop_config:
tmp += ' nexthop-vrf ' + next_hop_config['vrf']
tmp += ' table ' + table
if 'disable' in next_hop_config:
self.assertNotIn(tmp, frrconfig)
else:
self.assertIn(tmp, frrconfig)
if 'interface' in route_config:
for interface, interface_config in route_config['interface'].items():
tmp = f'{ip_ipv6} route {route} {interface}'
if 'interface' in interface_config:
tmp += ' ' + interface_config['interface']
if 'distance' in interface_config:
tmp += ' ' + interface_config['distance']
if 'vrf' in interface_config:
tmp += ' nexthop-vrf ' + interface_config['vrf']
tmp += ' table ' + table
if 'disable' in interface_config:
self.assertNotIn(tmp, frrconfig)
else:
self.assertIn(tmp, frrconfig)
if 'blackhole' in route_config:
tmp = f'{ip_ipv6} route {route} blackhole'
if 'tag' in route_config['blackhole']:
tmp += ' tag ' + route_config['blackhole']['tag']
if 'distance' in route_config['blackhole']:
tmp += ' ' + route_config['blackhole']['distance']
tmp += ' table ' + table
self.assertIn(tmp, frrconfig)
def test_03_static_vrf(self):
# Create VRF instances and apply the static routes from above to FRR.
# Re-read the configured routes and match them if they are programmed
# properly. This also includes VRF leaking
vrfs = {
'red' : { 'table' : '1000' },
'green' : { 'table' : '2000' },
'blue' : { 'table' : '3000' },
}
for vrf, vrf_config in vrfs.items():
vrf_base_path = ['vrf', 'name', vrf]
self.cli_set(vrf_base_path + ['table', vrf_config['table']])
for route, route_config in routes.items():
route_type = 'route'
if is_ipv6(route):
route_type = 'route6'
route_base_path = vrf_base_path + ['protocols', 'static', route_type, route]
if 'next_hop' in route_config:
for next_hop, next_hop_config in route_config['next_hop'].items():
self.cli_set(route_base_path + ['next-hop', next_hop])
if 'disable' in next_hop_config:
self.cli_set(route_base_path + ['next-hop', next_hop, 'disable'])
if 'distance' in next_hop_config:
self.cli_set(route_base_path + ['next-hop', next_hop, 'distance', next_hop_config['distance']])
if 'interface' in next_hop_config:
self.cli_set(route_base_path + ['next-hop', next_hop, 'interface', next_hop_config['interface']])
if 'vrf' in next_hop_config:
self.cli_set(route_base_path + ['next-hop', next_hop, 'vrf', next_hop_config['vrf']])
if 'interface' in route_config:
for interface, interface_config in route_config['interface'].items():
self.cli_set(route_base_path + ['interface', interface])
if 'disable' in interface_config:
self.cli_set(route_base_path + ['interface', interface, 'disable'])
if 'distance' in interface_config:
self.cli_set(route_base_path + ['interface', interface, 'distance', interface_config['distance']])
if 'vrf' in interface_config:
self.cli_set(route_base_path + ['interface', interface, 'vrf', interface_config['vrf']])
if 'blackhole' in route_config:
self.cli_set(route_base_path + ['blackhole'])
if 'distance' in route_config['blackhole']:
self.cli_set(route_base_path + ['blackhole', 'distance', route_config['blackhole']['distance']])
if 'tag' in route_config['blackhole']:
self.cli_set(route_base_path + ['blackhole', 'tag', route_config['blackhole']['tag']])
# commit changes
self.cli_commit()
for vrf, vrf_config in vrfs.items():
tmp = get_interface_config(vrf)
# Compare VRF table ID
self.assertEqual(tmp['linkinfo']['info_data']['table'], int(vrf_config['table']))
self.assertEqual(tmp['linkinfo']['info_kind'], 'vrf')
# Verify FRR bgpd configuration
frrconfig = self.getFRRconfig(f'vrf {vrf}')
self.assertIn(f'vrf {vrf}', frrconfig)
# Verify routes
for route, route_config in routes.items():
ip_ipv6 = 'ip'
if is_ipv6(route):
ip_ipv6 = 'ipv6'
if 'next_hop' in route_config:
for next_hop, next_hop_config in route_config['next_hop'].items():
tmp = f'{ip_ipv6} route {route} {next_hop}'
if 'interface' in next_hop_config:
tmp += ' ' + next_hop_config['interface']
if 'distance' in next_hop_config:
tmp += ' ' + next_hop_config['distance']
if 'vrf' in next_hop_config:
tmp += ' nexthop-vrf ' + next_hop_config['vrf']
if 'disable' in next_hop_config:
self.assertNotIn(tmp, frrconfig)
else:
self.assertIn(tmp, frrconfig)
if 'interface' in route_config:
for interface, interface_config in route_config['interface'].items():
tmp = f'{ip_ipv6} route {route} {interface}'
if 'interface' in interface_config:
tmp += ' ' + interface_config['interface']
if 'distance' in interface_config:
tmp += ' ' + interface_config['distance']
if 'vrf' in interface_config:
tmp += ' nexthop-vrf ' + interface_config['vrf']
if 'disable' in interface_config:
self.assertNotIn(tmp, frrconfig)
else:
self.assertIn(tmp, frrconfig)
if 'blackhole' in route_config:
tmp = f'{ip_ipv6} route {route} blackhole'
if 'tag' in route_config['blackhole']:
tmp += ' tag ' + route_config['blackhole']['tag']
if 'distance' in route_config['blackhole']:
tmp += ' ' + route_config['blackhole']['distance']
self.assertIn(tmp, frrconfig)
self.cli_delete(['vrf'])
def test_04_static_zebra_route_map(self):
# Implemented because of T3328
self.debug = True
route_map = 'foo-static-in'
self.cli_set(['policy', 'route-map', route_map, 'rule', '10', 'action', 'permit'])
self.cli_set(base_path + ['route-map', route_map])
# commit changes
self.cli_commit()
# Verify FRR configuration
zebra_route_map = f'ip protocol static route-map {route_map}'
frrconfig = self.getFRRconfig(zebra_route_map)
self.assertIn(zebra_route_map, frrconfig)
# Remove the route-map again
self.cli_delete(base_path + ['route-map'])
# commit changes
self.cli_commit()
# Verify FRR configuration
frrconfig = self.getFRRconfig(zebra_route_map)
self.assertNotIn(zebra_route_map, frrconfig)
self.cli_delete(['policy', 'route-map', route_map])
if __name__ == '__main__':
unittest.main(verbosity=2)
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