[Trunk] Check if parent port belongs to OVN to activate

In Trunk service, the OVN was setting always the trunk to "ACTIVE"
anytime the trunk was created or updated. This patch changes this
behaviour: only when the trunk parent port belongs to OVN (that
means, there is a related logical switch port to this Neutron port),
the methods will set the trunk to "ACTIVE".

Closes-Bug: #1974183
Change-Id: Ied5ef53882d4249e0ceaa731239befdc3ba67d03

neutron/services/trunk/drivers/ovn/trunk_driver.py

@@ -136,6 +136,10 @@ class OVNTrunkHandler(object):
         LOG.debug("Done unsetting parent for subport %s", subport.port_id)
 
     def trunk_created(self, trunk):
+        # Check if parent port is handled by OVN.
+        if not self.plugin_driver.nb_ovn.lookup('Logical_Switch_Port',
+                                                trunk.port_id, default=None):
+            return
         if trunk.sub_ports:
             self._set_sub_ports(trunk.port_id, trunk.sub_ports)
         trunk.update(status=trunk_consts.TRUNK_ACTIVE_STATUS)
@@ -145,11 +149,19 @@ class OVNTrunkHandler(object):
             self._unset_sub_ports(trunk.sub_ports)
 
     def subports_added(self, trunk, subports):
+        # Check if parent port is handled by OVN.
+        if not self.plugin_driver.nb_ovn.lookup('Logical_Switch_Port',
+                                                trunk.port_id, default=None):
+            return
         if subports:
             self._set_sub_ports(trunk.port_id, subports)
         trunk.update(status=trunk_consts.TRUNK_ACTIVE_STATUS)
 
     def subports_deleted(self, trunk, subports):
+        # Check if parent port is handled by OVN.
+        if not self.plugin_driver.nb_ovn.lookup('Logical_Switch_Port',
+                                                trunk.port_id, default=None):
+            return
         if subports:
             self._unset_sub_ports(subports)
         trunk.update(status=trunk_consts.TRUNK_ACTIVE_STATUS)