58 lines
2.3 KiB
Python
58 lines
2.3 KiB
Python
# Copyright (c) 2014 VMware, Inc. All rights reserved.
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#
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# 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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#
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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from congress.api import api_utils
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from congress.api import base
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from congress.api import webservice
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from congress import exception
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class StatusModel(base.APIModel):
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"""Model for handling API requests about Statuses."""
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# Note(thread-safety): blocking function
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def get_item(self, id_, params, context=None):
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"""Retrieve item with id id\_ from model.
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:param: id\_: The ID of the item to retrieve
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:param: params: A dict-like object containing parameters
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from the request query string and body.
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:param: context: Key-values providing frame of reference of request
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:returns: The matching item or None if item with id\_ does not exist.
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"""
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# Note(thread-safety): blocking call
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caller, source_id = api_utils.get_id_from_context(context)
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# FIXME(threod-safety): in DSE2, the returned caller can be a
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# datasource name. But the datasource name may now refer to a new,
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# unrelated datasource. Causing the rest of this code to operate on
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# an unintended datasource.
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# Fix: check UUID of datasource before operating. Abort if mismatch
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try:
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rpc_args = {'params': context, 'source_id': source_id}
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# Note(thread-safety): blocking call
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status = self.invoke_rpc(caller, 'get_status', rpc_args)
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except exception.CongressException as e:
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raise webservice.DataModelException(
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exception.NotFound.code, str(e),
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http_status_code=exception.NotFound.code)
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return status
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