fix: move logic from update_port_postcommit

python/neutron-understack/neutron_understack/neutron_understack_mech.py

@@ -2,6 +2,7 @@
 from uuid import UUID
 
 import neutron_lib.api.definitions.portbindings as portbindings
+from neutron.plugins.ml2.driver_context import PortContext
 from neutron_lib import constants as p_const
 from neutron_lib.plugins.ml2 import api
 from neutron_lib.plugins.ml2.api import MechanismDriver
@@ -223,31 +224,6 @@ def _configure_trunk(
     def update_port_postcommit(self, context):
         self._delete_tenant_port_on_unbound(context)
 
-        vif_type = context.current["binding:vif_type"]
-
-        if vif_type != portbindings.VIF_TYPE_OTHER:
-            return
-
-        trunk_details = context.current.get("trunk_details", {})
-        network_id = context.current["network_id"]
-        network_type = context.network.current.get("provider:network_type")
-        connected_interface_uuid = self.fetch_connected_interface_uuid(context.current)
-
-        if trunk_details:
-            self._configure_trunk(trunk_details, connected_interface_uuid)
-        if network_type == p_const.TYPE_VLAN:
-            vlan_tag = int(context.network.current.get("provider:segmentation_id"))
-        else:
-            vlan_tag = None
-        nb_vlan_group_id = self.update_nautobot(
-            network_id, connected_interface_uuid, vlan_tag
-        )
-
-        self.undersync.sync_devices(
-            vlan_group_uuids=str(nb_vlan_group_id),
-            dry_run=cfg.CONF.ml2_understack.undersync_dry_run,
-        )
-
     def delete_port_precommit(self, context):
         pass
 
@@ -273,7 +249,28 @@ def delete_port_postcommit(self, context):
                 dry_run=cfg.CONF.ml2_understack.undersync_dry_run,
             )
 
-    def bind_port(self, context):
+    def _configure_switchport_on_bind(self, context: PortContext) -> None:
+        trunk_details = context.current.get("trunk_details", {})
+        network_id = context.current["network_id"]
+        network_type = context.network.current.get("provider:network_type")
+        connected_interface_uuid = self.fetch_connected_interface_uuid(context.current)
+
+        if trunk_details:
+            self._configure_trunk(trunk_details, connected_interface_uuid)
+        if network_type == p_const.TYPE_VLAN:
+            vlan_tag = int(context.network.current.get("provider:segmentation_id"))
+        else:
+            vlan_tag = None
+        nb_vlan_group_id = self.update_nautobot(
+            network_id, connected_interface_uuid, vlan_tag
+        )
+
+        self.undersync.sync_devices(
+            vlan_group_uuids=str(nb_vlan_group_id),
+            dry_run=cfg.CONF.ml2_understack.undersync_dry_run,
+        )
+
+    def bind_port(self, context: PortContext) -> None:
         for segment in context.network.network_segments:
             if self.check_segment(segment):
                 context.set_binding(
@@ -283,6 +280,7 @@ def bind_port(self, context):
                     status=p_const.PORT_STATUS_ACTIVE,
                 )
                 LOG.debug("Bound segment: %s", segment)
+                self._configure_switchport_on_bind(context)
                 return
             else:
                 LOG.debug(

python/neutron-understack/neutron_understack/tests/conftest.py

@@ -3,6 +3,7 @@
 import uuid
 
 import pytest
+from neutron.db.models.segment import NetworkSegment
 from neutron.db.models_v2 import Network
 from neutron.db.models_v2 import Port
 from neutron.db.models_v2 import Subnet
@@ -73,12 +74,17 @@ def network_dict(ml2_plugin) -> dict:
 
 
 @pytest.fixture
-def network_context(ml2_plugin, network_dict) -> NetworkContext:
+def network_segment() -> NetworkSegment:
+    return NetworkSegment(network_type="vxlan")
+
+
+@pytest.fixture
+def network_context(ml2_plugin, network_dict, network_segment) -> NetworkContext:
     return NetworkContext(
         ml2_plugin,
         "plugin_context",
         network_dict,
-        segments=[],
+        segments=[network_segment],
     )
 
 

python/neutron-understack/neutron_understack/tests/test_neutron_understack_mech.py

@@ -45,19 +45,7 @@ def test_for_provisioning_network(self, mocker, understack_driver, vlan_group_id
         understack_driver.nb.fetch_vlan_group_uuid.assert_called_once_with("444")
 
 
-@pytest.mark.usefixtures("update_nautobot_patch")
 class TestUpdatePortPostcommit:
-    def test_vif_type_other_no_trunk(self, mocker, port_context, understack_driver):
-        mocker.patch.object(understack_driver, "_configure_trunk")
-        mocker.patch.object(understack_driver, "fetch_connected_interface_uuid")
-
-        understack_driver.update_port_postcommit(port_context)
-
-        understack_driver.update_nautobot.assert_called_once()
-        understack_driver._configure_trunk.assert_not_called()
-        understack_driver.fetch_connected_interface_uuid.assert_called_once()
-        understack_driver.undersync.sync_devices.assert_called_once()
-
     @pytest.mark.parametrize(
         "port_dict", [{"vif_type": portbindings.VIF_TYPE_UNBOUND}], indirect=True
     )
@@ -70,13 +58,27 @@ def test_vif_type_unbound(self, mocker, understack_driver, port_context):
         spy_delete_tenant_port.assert_called_once()
         assert result is None
 
+
+@pytest.mark.usefixtures("update_nautobot_patch")
+class TestBindPort:
+    def test_with_no_trunk(self, mocker, port_context, understack_driver):
+        mocker.patch.object(understack_driver, "_configure_trunk")
+        mocker.patch.object(understack_driver, "fetch_connected_interface_uuid")
+
+        understack_driver.bind_port(port_context)
+
+        understack_driver.update_nautobot.assert_called_once()
+        understack_driver._configure_trunk.assert_not_called()
+        understack_driver.fetch_connected_interface_uuid.assert_called_once()
+        understack_driver.undersync.sync_devices.assert_called_once()
+
     @pytest.mark.parametrize("port_dict", [{"trunk": True}], indirect=True)
     def test_with_trunk_details(self, mocker, understack_driver, port_context, port_id):
         mocker.patch(
             "neutron_understack.utils.fetch_subport_network_id", return_value="112233"
         )
 
-        understack_driver.update_port_postcommit(port_context)
+        understack_driver.bind_port(port_context)
         understack_driver.nb.prep_switch_interface.assert_called_once_with(
             connected_interface_id=str(port_id),
             ucvni_uuid="112233",