Ejemplo n.º 1
0
 def _update_resource(self, context, transaction):
     """Actual Implementation that will Update the given Resource"""
     #Update the Attributes on each of the VIO Servers
     for vios in self.vioservers:
         vios_id = vios._get_resource_identifer()
         values = vios._get_resource_values(changes_only=True)
         db_api.vios_update(self._context, vios_id, values)
     #Retrieve the existing SEA's for the Host to figure out differences
     dbseas = db_api.sea_find_all(self._context, dict(host=self.host_name))
     exist_seas = dict([(sea['id'], sea) for sea in dbseas])
     new_seas = dict([(sea['id'], sea) for sea in self.seas])
     #Determine whether the SEA needs to be Created or updated
     for sea in new_seas:
         #If the SEA already exists, we just want to update what changed
         if exist_seas.get(sea['id']) is not None:
             values = sea._get_resource_values(changes_only=True)
             db_api.sea_update(self._context, {'sea_id': sea['id']},
                               values, transaction)
         #If the SEA is new, then we want to create it in the database
         else:
             values = sea._get_resource_values(changes_only=False)
             db_api.sea_create(self._context, values)
     #Now we want to clean up any SEA's that no longer exist in the topology
     for sea in exist_seas:
         if new_seas.get(sea['id']) is None:
             db_api.sea_delete(self._context, sea['id'])
     #Retrieve the existing VEA's for the Host to figure out differences
     dbveas = db_api.vea_find_all(self._context, dict(host=self.host_name))
     exist_veas = dict([(vea['id'], vea) for vea in dbveas])
     new_veas = dict([(vea['id'], vea) for vea in self.veas])
     #Determine whether the VEA needs to be Created or updated
     for vea in new_veas:
         #If the VEA already exists, we just want to update what changed
         if exist_veas.get(vea['id']) is not None:
             values = vea._get_resource_values(changes_only=True)
             db_api.vea_update(self._context, vea['id'], values,
                               transaction)
         #If the VEA is new, then we want to create it in the database
         else:
             values = vea._get_resource_values(changes_only=False)
             db_api.vea_create(self._context, values)
     #Now we want to clean up any VEA's that no longer exist in the topology
     for vea in exist_veas:
         if new_veas.get(vea['id']) is None:
             db_api.vea_delete(self._context, vea['id'])
Ejemplo n.º 2
0
 def _create_resource(self, context, transaction):
     """Actual Implementation that will Create the given Resource"""
     values = self._get_resource_values()
     vea_dict = db_api.vea_create(context, values)
     self._hydrate_all_resource_attributes(vea_dict)