catalog-be/src/main/resources/scripts/sdcBePy/tosca/models/model_client.py

   1 # ============LICENSE_START=======================================================
   2 #  Copyright (C) 2021 Nordix Foundation
   3 #  ===============================================================================
   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
   7 #
   8 #        http://www.apache.org/licenses/LICENSE-2.0
   9 #  Unless required by applicable law or agreed to in writing, software
  10 #  distributed under the License is distributed on an "AS IS" BASIS,
  11 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 #  See the License for the specific language governing permissions and
  13 #  limitations under the License.
  14 #
  15 #  SPDX-License-Identifier: Apache-2.0
  16 #  ============LICENSE_END========================================================
  17
  18 import json
  19 from io import BytesIO
  20 from pathlib import Path
  21
  22 import pycurl
  23
  24 from sdcBePy.common import logger
  25 from sdcBePy.common.normative.main import process_element_list, process_type_list
  26 from sdcBePy.tosca.models.normativeElementsList import get_normative_element_candidate_list, get_normative_element_with_metadata_list
  27
  28 class ModelClient:
  29
  30     def __init__(self, sdc_be_proxy):
  31         self.__base_path = Path('/sdc2/rest/v1/catalog/model')
  32         self.__imports_path = self.__base_path / 'imports'
  33         self.__sdc_be_proxy = sdc_be_proxy
  34
  35     def create_model(self, model_payload_dict, model_imports_zip_path):
  36         model_name = model_payload_dict['name']
  37
  38         logger.debug("Starting to create model '{}', zip path '{}'".format(model_name, model_imports_zip_path))
  39
  40         multi_part_form_data = []
  41
  42         model_zip_param = ('modelImportsZip', (pycurl.FORM_FILE, str(model_imports_zip_path)))
  43         multi_part_form_data.append(model_zip_param)
  44
  45         json_payload = self.__parse_to_json_str(model_payload_dict)
  46         model_param = ('model', (
  47             pycurl.FORM_CONTENTS, json_payload,
  48             pycurl.FORM_CONTENTTYPE, 'application/json'
  49         ))
  50         multi_part_form_data.append(model_param)
  51
  52         response_buffer = BytesIO()
  53         response_code = self.__sdc_be_proxy.post_file(str(self.__base_path), multi_part_form_data, response_buffer)
  54         logger.debug("Create model response code '{}'".format(response_code))
  55         if response_code != 201:
  56             error_msg = "Failed to create model '{}'".format(model_name)
  57             logger.log(error_msg, response_buffer.getvalue())
  58             raise Exception(error_msg)
  59         logger.log("Created model", model_name)
  60
  61     def update_model_imports(self, model_payload_dict, model_imports_zip_path):
  62         model_name = model_payload_dict['name']
  63         logger.debug("Starting to update model '{}', zip path '{}'".format(model_name, model_imports_zip_path))
  64
  65         multi_part_form_data = []
  66
  67         model_zip_post = ('modelImportsZip', (pycurl.FORM_FILE, str(model_imports_zip_path)))
  68         multi_part_form_data.append(('modelName', model_name))
  69         multi_part_form_data.append(model_zip_post)
  70
  71         response_buffer = BytesIO()
  72         response_code = self.__sdc_be_proxy.put_file(str(self.__imports_path), multi_part_form_data, response_buffer)
  73         logger.debug("Update model response code '{}'".format(response_code))
  74         if response_code != 204:
  75             error_msg = "Failed to update model '{}'".format(model_name)
  76             logger.log(error_msg, response_buffer.getvalue())
  77             raise Exception(error_msg)
  78         logger.log("Updated model", model_name)
  79
  80     def import_model_elements(self, model_payload_dict, tosca_elements_import_path, with_metadata=False):
  81         model_name = model_payload_dict['name']
  82         logger.debug("Starting import of normative elements for model '{}'".format(model_name))
  83         if with_metadata:
  84             process_element_list(get_normative_element_with_metadata_list(tosca_elements_import_path), self.__sdc_be_proxy, model=model_name)
  85         else:
  86             process_element_list(get_normative_element_candidate_list(tosca_elements_import_path), self.__sdc_be_proxy, model=model_name)
  87         logger.log("Finished importing normative elements for model", model_name)
  88
  89     def import_model_types(self, model_payload_dict, types_list, upgrade):
  90         model_name = model_payload_dict['name']
  91         logger.debug("Starting import of normative types for model '{}'".format(model_name))
  92         process_type_list(types_list, self.__sdc_be_proxy, upgrade)
  93         logger.log("Finished importing normative types for model", model_name)
  94
  95     @staticmethod
  96     def __parse_to_json_str(model_payload_dict):
  97         return json.dumps(model_payload_dict)