diff options
Diffstat (limited to 'smoketest/scripts/cli')
| -rwxr-xr-x | smoketest/scripts/cli/test_vrf.py | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/smoketest/scripts/cli/test_vrf.py b/smoketest/scripts/cli/test_vrf.py index a69068c6e..3a3f0e5b9 100755 --- a/smoketest/scripts/cli/test_vrf.py +++ b/smoketest/scripts/cli/test_vrf.py @@ -20,6 +20,7 @@ import unittest from json import loads from jmespath import search +from time import sleep from base_vyostest_shim import VyOSUnitTestSHIM @@ -35,6 +36,7 @@ from vyos.utils.process import cmd from vyos.utils.system import sysctl_read from vyos.template import inc_ip from vyos.utils.process import process_named_running +from vyos.xml_ref import default_value base_path = ['vrf'] vrfs = ['red', 'green', 'blue', 'foo-bar', 'baz_foo'] @@ -773,6 +775,62 @@ class VRFTest(VyOSUnitTestSHIM.TestCase): self.cli_delete(base) self.cli_commit() + def test_dhcp_vrf_default_route(self): + # T7927 - when retrieving a default route via DHCP, check that additional + # calls into FRRender() keep the DHCP route in place + + vrf_name = 'red15' + default_gateway = '192.0.2.1' + dhcp_if_server = 'veth0' + dhcp_if_client = 'veth1' + + default_distance = default_value(['interfaces', 'virtual-ethernet', + dhcp_if_client, 'dhcp-options', + 'default-route-distance']) + + dhcp_pool_base = ['service', 'dhcp-server', 'shared-network-name', + 'FOO-4', 'subnet', '192.0.2.0/24'] + veth_base = ['interfaces', 'virtual-ethernet'] + + # Start DHCP Server in VRF connected via veth pair to default VRF + self.cli_set(['vrf', 'name', vrf_name, 'table', '48752']) + self.cli_set(veth_base + [dhcp_if_server, 'address', '192.0.2.1/24']) + self.cli_set(veth_base + [dhcp_if_server, 'peer-name', dhcp_if_client]) + self.cli_set(veth_base + [dhcp_if_client, 'peer-name', dhcp_if_server]) + self.cli_set(veth_base + [dhcp_if_client, 'vrf', vrf_name]) + + self.cli_set(['service', 'dhcp-server', 'listen-interface', dhcp_if_server]) + self.cli_set(dhcp_pool_base + ['option', 'default-router', default_gateway]) + self.cli_set(dhcp_pool_base + ['range', 'uno', 'start', '192.0.2.10']) + self.cli_set(dhcp_pool_base + ['range', 'uno', 'stop', '192.0.2.30']) + self.cli_set(dhcp_pool_base + ['subnet-id', '1']) + + self.cli_commit() + + # Start DHCP client in VRF + self.cli_set(['interfaces', 'virtual-ethernet', dhcp_if_client, 'address', 'dhcp']) + self.cli_commit() + + # We need to wait until DHCP client has started and an IP address has been received + sleep(8) + + frrconfig = self.getFRRconfig('^vrf red', stop_section='^exit-vrf') + self.assertIn(f' ip route 0.0.0.0/0 {default_gateway} {dhcp_if_client} '\ + f'tag 210 {default_distance}', frrconfig) + + # Change anything in FRR to re-trigger config generation. DHCP route + # must still be present + self.cli_set(['protocols', 'static', 'route', '10.0.0.0/24', 'blackhole']) + self.cli_commit() + + frrconfig = self.getFRRconfig('^vrf red', stop_section='^exit-vrf') + self.assertIn(f' ip route 0.0.0.0/0 {default_gateway} {dhcp_if_client} '\ + f'tag 210 {default_distance}', frrconfig) + + self.cli_delete(['interfaces', 'virtual-ethernet']) + self.cli_delete(['service', 'dhcp-server']) + self.cli_delete(['vrf', 'name', vrf_name]) + def test_dhcpv6_single_pool(self): # Prepare the vrf and other options table = '100' |