OPENSTACK-2959: remove old selfip port

add arguement to tell agent delete old selfip port

Author: zhang-shengping

f5lbaasdriver/v2/bigip/driver_v2.py

@@ -765,7 +765,6 @@ def update_vipport_attrs(self, context, agent, device, loadbalancer):
             "local_link_information": llinfo
         }
 
-        # pzhang migrate
         driver.plugin.db._core_plugin.update_port(
             context,
             loadbalancer.vip_port_id,
@@ -796,6 +795,7 @@ def refresh(self, context, body):
         lbext = body['loadbalancerext']
         loadbalancer = lbext['loadbalancer']
         device_id = lbext.get("device_id")
+        rm_selfip_port = lbext.get("rm_selfip_port")
         rebuild_all = lbext['all']
 
         self._log_entity(loadbalancer)
@@ -807,6 +807,8 @@ def refresh(self, context, body):
                 context, loadbalancer, device_id=device_id)
             # NOTE(qzhao): Call agent to rebuild LB.
             service = self._create_service(context, loadbalancer, agent)
+
+            device["rm_selfip_port"] = rm_selfip_port
             service["device"] = device
             agent_host = agent['host']