[status_manager] Fix legacy health manager: Thread executors need sta…

…tic method

octavia_f5/controller/statusmanager/status_manager.py

@@ -62,6 +62,14 @@ def __exit__(self, exc_type, exc_val, exc_tb):
                 with excutils.save_and_reraise_exception():
                     self._lock_session.rollback()
 
+def update_health(msg):
+    LOG.info("Updating health")
+    update_db.UpdateHealthDb().update_health(msg, '127.0.0.1')
+
+def update_stats(msg):
+    LOG.info("Updating stats")
+    update_db.UpdateStatsDb().update_stats(msg, '127.0.0.1')
+
 class StatusManager(object):
     def __init__(self):
         LOG.info('Health Manager starting.')
@@ -70,8 +78,6 @@ def __init__(self):
         self.listener_repo = repo.ListenerRepository()
         self.amp_health_repo = repo.AmphoraHealthRepository()
         self.lb_repo = repo.LoadBalancerRepository()
-        self.db_health_updater = update_db.UpdateHealthDb
-        self.db_stats_updater = update_db.UpdateStatsDb
         self.health_executor = futurist.ThreadPoolExecutor(
             max_workers=CONF.health_manager.health_update_threads)
         self.stats_executor = futurist.ThreadPoolExecutor(
@@ -306,8 +312,8 @@ def _get_lb_msg(lb_id):
 
         for msg in amphora_messages.values():
             msg['recv_time'] = time.time()
-            self.health_executor.submit(self.db_health_updater.update_health, msg)
-            self.stats_executor.submit(self.db_stats_updater.update_stats, msg)
+            self.health_executor.submit(update_health, msg)
+            self.stats_executor.submit(update_stats, msg)
 
     def update_listener_count(self, num_listeners):
         """ updates listener count of bigip device (vrrp_priority column in amphora table)