def register(node_id=None, node_type=None, name=None): """ Adds a Node with a given node_id to the model :param node_id: ID of the ALBA node :type node_id: str :param node_type: Type of the node to create :type node_type: str :param name: Optional name of the node :type name: str :return: None :rtype: NoneType """ # Generic is a special case. Nothing is registered within config mgmt if node_type == AlbaNode.NODE_TYPES.GENERIC: node = AlbaNode() node.name = name node.node_id = ''.join( random.choice(string.ascii_letters + string.digits) for _ in range(32)) node.type = AlbaNode.NODE_TYPES.GENERIC node.save() else: # Both S3 and ASD type can be added now if node_id is None: raise RuntimeError('A node_id must be given for type ASD/S3') node = AlbaNodeList.get_albanode_by_node_id( node_id) or AlbaNodeController.get_discovered_node(node_id) if not node: # No node could be found in the model or within the discovered nodes. User might have specified the ID # of a node that does not exist raise RuntimeError( 'No node with node_id {0} was found'.format(node_id)) data = node.client.get_metadata() if data['_success'] is False and data[ '_error'] == 'Invalid credentials': raise RuntimeError('Invalid credentials') if data['node_id'] != node_id: AlbaNodeController._logger.error( 'Unexpected node_id: {0} vs {1}'.format( data['node_id'], node_id)) raise RuntimeError('Unexpected node identifier') if node.type == AlbaNode.NODE_TYPES.S3: # The transaction Arakoon is needed. This wil check deployment & extend AlbaArakoonController.configure_s3_transaction_cluster() node.volatile = False node.save() AlbaController.checkup_maintenance_agents.delay()