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# ============LICENSE_START=======================================================
# Copyright (C) 2021 Nordix Foundation
# ===============================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END========================================================
import json
from io import BytesIO
from pathlib import Path
import pycurl
from sdcBePy.common import logger
from sdcBePy.common.normative.main import process_element_list, process_type_list
from sdcBePy.tosca.models.normativeElementsList import get_normative_element_candidate_list, \
get_normative_element_with_metadata_list
class ModelClient:
def __init__(self, sdc_be_proxy):
self.__base_path = Path('/sdc2/rest/v1/catalog/model')
self.__imports_path = self.__base_path / 'imports'
self.__sdc_be_proxy = sdc_be_proxy
def create_model(self, model_payload_dict, model_imports_zip_path):
model_name = model_payload_dict['name']
logger.debug("Starting to create model '{}', zip path '{}'".format(model_name, model_imports_zip_path))
multi_part_form_data = []
model_zip_param = ('modelImportsZip', (pycurl.FORM_FILE, str(model_imports_zip_path)))
multi_part_form_data.append(model_zip_param)
json_payload = self.__parse_to_json_str(model_payload_dict)
model_param = ('model', (
pycurl.FORM_CONTENTS, json_payload,
pycurl.FORM_CONTENTTYPE, 'application/json'
))
multi_part_form_data.append(model_param)
response_buffer = BytesIO()
response_code = self.__sdc_be_proxy.post_file(str(self.__base_path), multi_part_form_data, response_buffer)
logger.debug("Create model response code '{}'".format(response_code))
if response_code != 201:
error_msg = "Failed to create model '{}'".format(model_name)
logger.log(error_msg, response_buffer.getvalue())
raise Exception(error_msg)
logger.log("Created model", model_name)
def update_model_imports(self, model_payload_dict, model_imports_zip_path):
model_name = model_payload_dict['name']
logger.debug("Starting to update model '{}', zip path '{}'".format(model_name, model_imports_zip_path))
multi_part_form_data = []
model_zip_post = ('modelImportsZip', (pycurl.FORM_FILE, str(model_imports_zip_path)))
multi_part_form_data.append(('modelName', model_name))
multi_part_form_data.append(model_zip_post)
response_buffer = BytesIO()
response_code = self.__sdc_be_proxy.put_file(str(self.__imports_path), multi_part_form_data, response_buffer)
logger.debug("Update model response code '{}'".format(response_code))
if response_code != 204:
error_msg = "Failed to update model '{}'".format(model_name)
logger.log(error_msg, response_buffer.getvalue())
raise Exception(error_msg)
logger.log("Updated model", model_name)
def import_model_elements(self, model_payload_dict, tosca_elements_import_path, with_metadata):
model_name = model_payload_dict['name']
logger.debug("Starting import of normative elements for model '{}'".format(model_name))
if with_metadata:
process_element_list(get_normative_element_with_metadata_list(tosca_elements_import_path), self.__sdc_be_proxy, model=model_name)
else:
process_element_list(get_normative_element_candidate_list(tosca_elements_import_path), self.__sdc_be_proxy, model=model_name)
logger.log("Finished importing normative elements for model", model_name)
def import_model_types(self, model_name, types_list, upgrade):
logger.debug("Starting import of normative types for model '{}'".format(model_name))
process_type_list(types_list, self.__sdc_be_proxy, upgrade)
logger.log("Finished importing normative types for model", model_name)
def get_model_list(self):
response = self.__sdc_be_proxy.get_model_list()
if response == 200:
models = self.__sdc_be_proxy.get_response_from_buffer()
return json.loads(models)
else:
return []
@staticmethod
def __parse_to_json_str(model_payload_dict):
return json.dumps(model_payload_dict)
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