code: def populate_local_cache(self):
          
          fw_dict = self.get_all_fw_db()
          for fw_id in fw_dict:
              LOG.info("Populating cache for FW %s", fw_id)
              fw_data = fw_dict[fw_id]
              self.populate_local_cache_tenant(fw_id, fw_data)
docs: Populate the local cache from DB.
  
          Read the entries from FW DB and Calls routines to populate the cache.