add delete port for provisioning and inspect binding levels

python/neutron-understack/neutron_understack/neutron_understack_mech.py

@@ -213,6 +213,8 @@ def update_port_postcommit(self, context):
         log_call("update_port_postcommit", context)
         print("Original context: ")
         pprint(context.original)
+        print("Binding levels: ")
+        pprint(context.binding_levels)
 
         vif_type = context.current["binding:vif_type"]
 
@@ -234,6 +236,21 @@ def delete_port_precommit(self, context):
     def delete_port_postcommit(self, context):
         log_call("delete_port_postcommit", context)
 
+        network_id = context.current["network_id"]
+
+        if network_id == cfg.CONF.ml2_type_understack.provisioning_network:
+            connected_interface_uuid = self.fetch_connected_interface_uuid(context)
+            port_status = "Active"
+            configure_port_status_data = self.nb.configure_port_status(
+                connected_interface_uuid, port_status
+            )
+            switch_uuid = configure_port_status_data.get("device", {}).get("id")
+            nb_vlan_group_id = UUID(self.nb.fetch_vlan_group_uuid(switch_uuid))
+            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):
         log_call("bind_port", context)
         for segment in context.network.network_segments: