1 # -------------------------------------------------------------------------
2 # Copyright (C) 2020 Wipro Limited.
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
16 # -------------------------------------------------------------------------
20 from requests.exceptions import HTTPError
22 from osdf.config.base import osdf_config
23 from osdf.utils.interfaces import RestClient
26 class DESException(Exception):
30 def extract_data(service_id, request_data):
31 """Extracts data from the data lake via DES.
33 param: service_id: kpi data identifier
34 param: request_data: data to send
35 param: osdf_config: osdf config to retrieve api info
38 config = osdf_config.deployment
39 user, password = config['desUsername'], config['desPassword']
40 headers = config["desHeaders"]
41 req_url = config["desUrl"] + config["desApiPath"] + service_id
42 rc = RestClient(userid=user, passwd=password, url=req_url, headers=headers, method="POST")
45 response_json = rc.request(data=request_data)
46 return response_json.get("result")
47 except requests.RequestException as e:
48 raise DESException("Request exception was encountered {}".format(e))
49 except HTTPError as ex:
50 raise DESException("Response code other than 200. Response code: {}".format(ex.response.status_code))