T6732: added same as vyos 1x

1 files changed, 145 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_system_ipv6.py b/smoketest/scripts/cli/test_system_ipv6.py
new file mode 100644
index 0000000..0c77c1d
--- /dev/null
+++ b/smoketest/scripts/cli/test_system_ipv6.py
@@ -0,0 +1,145 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021-2024 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.file import read_file
+
+base_path = ['system', 'ipv6']
+
+file_forwarding = '/proc/sys/net/ipv6/conf/all/forwarding'
+file_disable = '/proc/sys/net/ipv6/conf/all/disable_ipv6'
+file_dad = '/proc/sys/net/ipv6/conf/all/accept_dad'
+file_multipath = '/proc/sys/net/ipv6/fib_multipath_hash_policy'
+
+class TestSystemIPv6(VyOSUnitTestSHIM.TestCase):
+    def tearDown(self):
+        self.cli_delete(base_path)
+        self.cli_commit()
+
+    def test_system_ipv6_forwarding(self):
+        # Test if IPv6 forwarding can be disabled globally, default is '1'
+        # which means forwearding enabled
+        self.assertEqual(read_file(file_forwarding), '1')
+
+        self.cli_set(base_path + ['disable-forwarding'])
+        self.cli_commit()
+
+        self.assertEqual(read_file(file_forwarding), '0')
+
+    def test_system_ipv6_strict_dad(self):
+        # This defaults to 1
+        self.assertEqual(read_file(file_dad), '1')
+
+        # Do not assign any IPv6 address on interfaces, this requires a reboot
+        # which can not be tested, but we can read the config file :)
+        self.cli_set(base_path + ['strict-dad'])
+        self.cli_commit()
+
+        # Verify configuration file
+        self.assertEqual(read_file(file_dad), '2')
+
+    def test_system_ipv6_multipath(self):
+        # This defaults to 0
+        self.assertEqual(read_file(file_multipath), '0')
+
+        # Do not assign any IPv6 address on interfaces, this requires a reboot
+        # which can not be tested, but we can read the config file :)
+        self.cli_set(base_path + ['multipath', 'layer4-hashing'])
+        self.cli_commit()
+
+        # Verify configuration file
+        self.assertEqual(read_file(file_multipath), '1')
+
+    def test_system_ipv6_neighbor_table_size(self):
+        # Maximum number of entries to keep in the ARP cache, the
+        # default is 8192
+
+        gc_thresh3 = '/proc/sys/net/ipv6/neigh/default/gc_thresh3'
+        gc_thresh2 = '/proc/sys/net/ipv6/neigh/default/gc_thresh2'
+        gc_thresh1 = '/proc/sys/net/ipv6/neigh/default/gc_thresh1'
+        self.assertEqual(read_file(gc_thresh3), '8192')
+        self.assertEqual(read_file(gc_thresh2), '4096')
+        self.assertEqual(read_file(gc_thresh1), '1024')
+
+        for size in [1024, 2048, 4096, 8192, 16384, 32768]:
+            self.cli_set(base_path + ['neighbor', 'table-size', str(size)])
+            self.cli_commit()
+
+            self.assertEqual(read_file(gc_thresh3), str(size))
+            self.assertEqual(read_file(gc_thresh2), str(size // 2))
+            self.assertEqual(read_file(gc_thresh1), str(size // 8))
+
+    def test_system_ipv6_protocol_route_map(self):
+        protocols = ['any', 'babel', 'bgp', 'connected', 'isis',
+                     'kernel', 'ospfv3', 'ripng', 'static', 'table']
+
+        for protocol in protocols:
+            route_map = 'route-map-' + protocol.replace('ospfv3', 'ospf6')
+
+            self.cli_set(['policy', 'route-map', route_map, 'rule', '10', 'action', 'permit'])
+            self.cli_set(base_path + ['protocol', protocol, 'route-map', route_map])
+
+        self.cli_commit()
+
+        # Verify route-map properly applied to FRR
+        frrconfig = self.getFRRconfig('ipv6 protocol', end='', daemon='zebra')
+        for protocol in protocols:
+            # VyOS and FRR use a different name for OSPFv3 (IPv6)
+            if protocol == 'ospfv3':
+                protocol = 'ospf6'
+            self.assertIn(f'ipv6 protocol {protocol} route-map route-map-{protocol}', frrconfig)
+
+        # Delete route-maps
+        self.cli_delete(['policy', 'route-map'])
+        self.cli_delete(base_path + ['protocol'])
+
+        self.cli_commit()
+
+        # Verify route-map properly applied to FRR
+        frrconfig = self.getFRRconfig('ipv6 protocol', end='', daemon='zebra')
+        self.assertNotIn(f'ipv6 protocol', frrconfig)
+
+    def test_system_ipv6_protocol_non_existing_route_map(self):
+        non_existing = 'non-existing6'
+        self.cli_set(base_path + ['protocol', 'static', 'route-map', non_existing])
+
+        # VRF does yet not exist - an error must be thrown
+        with self.assertRaises(ConfigSessionError):
+            self.cli_commit()
+        self.cli_set(['policy', 'route-map', non_existing, 'rule', '10', 'action', 'deny'])
+
+        # Commit again
+        self.cli_commit()
+
+    def test_system_ipv6_nht(self):
+        self.cli_set(base_path + ['nht', 'no-resolve-via-default'])
+        self.cli_commit()
+        # Verify CLI config applied to FRR
+        frrconfig = self.getFRRconfig('', end='', daemon='zebra')
+        self.assertIn(f'no ipv6 nht resolve-via-default', frrconfig)
+
+        self.cli_delete(base_path + ['nht', 'no-resolve-via-default'])
+        self.cli_commit()
+        # Verify CLI config removed to FRR
+        frrconfig = self.getFRRconfig('', end='', daemon='zebra')
+        self.assertNotIn(f'no ipv6 nht resolve-via-default', frrconfig)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)