# File lib/fog/compute/openstack/models/address.rb, line 34
        def save
          raise Fog::Errors::Error, 'Resaving an existing object may create a duplicate' if persisted?
          data = service.allocate_address(pool).body['floating_ip']
          new_attributes = data.reject { |key, _value| !['id', 'instance_id', 'ip', 'fixed_ip'].include?(key) }
          merge_attributes(new_attributes)
          if @server
            self.server = @server
          end
          true
        end