tunnel: T4267: "parameters ip key" on GRE not required for different remotes

(cherry picked from commit e64d45717940aa4fb4a072065bdfa04f884d00cc)

1 files changed, 91 insertions, 7 deletions

diff --git a/smoketest/scripts/cli/test_interfaces_tunnel.py b/smoketest/scripts/cli/test_interfaces_tunnel.py
index ff8778828..bf33be75c 100755
--- a/smoketest/scripts/cli/test_interfaces_tunnel.py
+++ b/smoketest/scripts/cli/test_interfaces_tunnel.py
@@ -44,14 +44,14 @@ class TunnelInterfaceTest(BasicInterfaceTest.TestCase):
         # call base-classes classmethod
         super(cls, cls).setUpClass()
 
-    def setUp(self):
-        super().setUp()
-        self.cli_set(['interfaces', 'dummy', source_if, 'address', self.local_v4 + '/32'])
-        self.cli_set(['interfaces', 'dummy', source_if, 'address', self.local_v6 + '/128'])
+        # create some test interfaces
+        cls.cli_set(cls, ['interfaces', 'dummy', source_if, 'address', cls.local_v4 + '/32'])
+        cls.cli_set(cls, ['interfaces', 'dummy', source_if, 'address', cls.local_v6 + '/128'])
 
-    def tearDown(self):
-        self.cli_delete(['interfaces', 'dummy', source_if])
-        super().tearDown()
+    @classmethod
+    def tearDownClass(cls):
+        cls.cli_delete(cls, ['interfaces', 'dummy', source_if])
+        super().tearDownClass()
 
     def test_ipv4_encapsulations(self):
         # When running tests ensure that for certain encapsulation types the
@@ -213,5 +213,89 @@ class TunnelInterfaceTest(BasicInterfaceTest.TestCase):
         conf = get_interface_config(interface)
         self.assertEqual(new_remote,    conf['linkinfo']['info_data']['remote'])
 
+    def test_tunnel_src_any_gre_key(self):
+        interface = f'tun1280'
+        encapsulation = 'gre'
+        src_addr = '0.0.0.0'
+        key = '127'
+
+        self.cli_set(self._base_path + [interface, 'encapsulation', encapsulation])
+        self.cli_set(self._base_path + [interface, 'source-address', src_addr])
+        # GRE key must be supplied with a 0.0.0.0 source address
+        with self.assertRaises(ConfigSessionError):
+            self.cli_commit()
+        self.cli_set(self._base_path + [interface, 'parameters', 'ip', 'key', key])
+
+        self.cli_commit()
+
+    def test_multiple_gre_tunnel_same_remote(self):
+        tunnels = {
+            'tun10' : {
+                'encapsulation' : 'gre',
+                'source_interface' : source_if,
+                'remote' : '1.2.3.4',
+            },
+            'tun20' : {
+                'encapsulation' : 'gre',
+                'source_interface' : source_if,
+                'remote' : '1.2.3.4',
+            },
+        }
+
+        for tunnel, tunnel_config in tunnels.items():
+            self.cli_set(self._base_path + [tunnel, 'encapsulation', tunnel_config['encapsulation']])
+            if 'source_interface' in tunnel_config:
+                self.cli_set(self._base_path + [tunnel, 'source-interface', tunnel_config['source_interface']])
+            if 'remote' in tunnel_config:
+                self.cli_set(self._base_path + [tunnel, 'remote', tunnel_config['remote']])
+
+        # GRE key must be supplied when two or more tunnels are formed to the same desitnation
+        with self.assertRaises(ConfigSessionError):
+            self.cli_commit()
+        for tunnel, tunnel_config in tunnels.items():
+            self.cli_set(self._base_path + [tunnel, 'parameters', 'ip', 'key', tunnel.lstrip('tun')])
+
+        self.cli_commit()
+
+        for tunnel, tunnel_config in tunnels.items():
+            conf = get_interface_config(tunnel)
+            ip_key = tunnel.lstrip('tun')
+
+            self.assertEqual(tunnel_config['source_interface'], conf['link'])
+            self.assertEqual(tunnel_config['encapsulation'],    conf['linkinfo']['info_kind'])
+            self.assertEqual(tunnel_config['remote'],           conf['linkinfo']['info_data']['remote'])
+            self.assertEqual(f'0.0.0.{ip_key}',                 conf['linkinfo']['info_data']['ikey'])
+            self.assertEqual(f'0.0.0.{ip_key}',                 conf['linkinfo']['info_data']['okey'])
+
+    def test_multiple_gre_tunnel_different_remote(self):
+        tunnels = {
+            'tun10' : {
+                'encapsulation' : 'gre',
+                'source_interface' : source_if,
+                'remote' : '1.2.3.4',
+            },
+            'tun20' : {
+                'encapsulation' : 'gre',
+                'source_interface' : source_if,
+                'remote' : '1.2.3.5',
+            },
+        }
+
+        for tunnel, tunnel_config in tunnels.items():
+            self.cli_set(self._base_path + [tunnel, 'encapsulation', tunnel_config['encapsulation']])
+            if 'source_interface' in tunnel_config:
+                self.cli_set(self._base_path + [tunnel, 'source-interface', tunnel_config['source_interface']])
+            if 'remote' in tunnel_config:
+                self.cli_set(self._base_path + [tunnel, 'remote', tunnel_config['remote']])
+
+        self.cli_commit()
+
+        for tunnel, tunnel_config in tunnels.items():
+            conf = get_interface_config(tunnel)
+
+            self.assertEqual(tunnel_config['source_interface'], conf['link'])
+            self.assertEqual(tunnel_config['encapsulation'],    conf['linkinfo']['info_kind'])
+            self.assertEqual(tunnel_config['remote'],           conf['linkinfo']['info_data']['remote'])
+
 if __name__ == '__main__':
     unittest.main(verbosity=2)