| # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| # not use this file except in compliance with the License. You may obtain |
| # a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations |
| # under the License. |
| |
| |
| def get_node(client, node_id=None, instance_uuid=None): |
| """Get a node by its identifier or instance UUID. |
| |
| If both node_id and instance_uuid specified, node_id will be used. |
| |
| :param client: an instance of tempest plugin BaremetalClient. |
| :param node_id: identifier (UUID or name) of the node. |
| :param instance_uuid: UUID of the instance. |
| :returns: the requested node. |
| :raises: AssertionError, if neither node_id nor instance_uuid was provided |
| """ |
| assert node_id or instance_uuid, ('Either node or instance identifier ' |
| 'has to be provided.') |
| if node_id: |
| _, body = client.show_node(node_id) |
| return body |
| elif instance_uuid: |
| _, body = client.show_node_by_instance_uuid(instance_uuid) |
| if body['nodes']: |
| return body['nodes'][0] |