1 files changed, 74 insertions, 16 deletions
diff --git a/smoketest/scripts/cli/test_vrf.py b/smoketest/scripts/cli/test_vrf.py
index 7bcfea861..5270e758a 100755
--- a/smoketest/scripts/cli/test_vrf.py
+++ b/smoketest/scripts/cli/test_vrf.py
@@ -14,53 +14,111 @@
 # 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 re
 import os
 import unittest
+from netifaces import interfaces
 
-from vyos.configsession import ConfigSession, ConfigSessionError
+from vyos.configsession import ConfigSession
+from vyos.configsession import ConfigSessionError
 from vyos.util import read_file
 from vyos.validate import is_intf_addr_assigned
+from vyos.ifconfig import Interface
+
+base_path = ['vrf']
+vrfs = ['red', 'green', 'blue', 'foo-bar', 'baz_foo']
 
 class VRFTest(unittest.TestCase):
     def setUp(self):
         self.session = ConfigSession(os.getpid())
-        self._vrfs = ['red', 'green', 'blue']
 
     def tearDown(self):
         # delete all VRFs
-        self.session.delete(['vrf'])
+        self.session.delete(base_path)
         self.session.commit()
-        del self.session
+        for vrf in vrfs:
+            self.assertNotIn(vrf, interfaces())
 
     def test_vrf_table_id(self):
-        table = 1000
-        for vrf in self._vrfs:
-            base = ['vrf', 'name', vrf]
-            description = "VyOS-VRF-" + vrf
+        table = '1000'
+        for vrf in vrfs:
+            base = base_path + ['name', vrf]
+            description = f'VyOS-VRF-{vrf}'
             self.session.set(base + ['description', description])
 
             # check validate() - a table ID is mandatory
             with self.assertRaises(ConfigSessionError):
                 self.session.commit()
 
-            self.session.set(base + ['table', str(table)])
-            table += 1
+            self.session.set(base + ['table', table])
+            if vrf == 'green':
+                self.session.set(base + ['disable'])
+
+            table = str(int(table) + 1)
 
         # commit changes
         self.session.commit()
 
+        # Verify VRF configuration
+        table = '1000'
+        iproute2_config = read_file('/etc/iproute2/rt_tables.d/vyos-vrf.conf')
+        for vrf in vrfs:
+            description = f'VyOS-VRF-{vrf}'
+            self.assertTrue(vrf in interfaces())
+            vrf_if = Interface(vrf)
+            # validate proper interface description
+            self.assertEqual(vrf_if.get_alias(), description)
+            # validate admin up/down state of VRF
+            state = 'up'
+            if vrf == 'green':
+                state = 'down'
+            self.assertEqual(vrf_if.get_admin_state(), state)
+
+            # Test the iproute2 lookup file, syntax is as follows:
+            #
+            # # id       vrf name         comment
+            # 1000       red              # VyOS-VRF-red
+            # 1001       green            # VyOS-VRF-green
+            #  ...
+            regex = f'{table}\s+{vrf}\s+#\s+{description}'
+            self.assertTrue(re.findall(regex, iproute2_config))
+            table = str(int(table) + 1)
+
     def test_vrf_loopback_ips(self):
-        table = 1000
-        for vrf in self._vrfs:
-            base = ['vrf', 'name', vrf]
+        table = '2000'
+        for vrf in vrfs:
+            base = base_path + ['name', vrf]
             self.session.set(base + ['table', str(table)])
-            table += 1
+            table = str(int(table) + 1)
 
         # commit changes
         self.session.commit()
-        for vrf in self._vrfs:
+
+        # Verify VRF configuration
+        for vrf in vrfs:
+            self.assertTrue(vrf in interfaces())
             self.assertTrue(is_intf_addr_assigned(vrf, '127.0.0.1'))
             self.assertTrue(is_intf_addr_assigned(vrf, '::1'))
 
+    def test_vrf_table_id_is_unalterable(self):
+        # Linux Kernel prohibits the change of a VRF table  on the fly.
+        # VRF must be deleted and recreated!
+        table = '1000'
+        vrf = vrfs[0]
+        base = base_path + ['name', vrf]
+        self.session.set(base + ['table', table])
+
+        # commit changes
+        self.session.commit()
+
+        # Check if VRF has been created
+        self.assertTrue(vrf in interfaces())
+
+        table = str(int(table) + 1)
+        self.session.set(base + ['table', table])
+        # check validate() - table ID can not be altered!
+        with self.assertRaises(ConfigSessionError):
+            self.session.commit()
+
 if __name__ == '__main__':
-    unittest.main(verbosity=2)
+    unittest.main(verbosity=2, failfast=True)