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