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# Copyright 2016 ZTE Corporation.
#
# 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.
import json
import re
import os
import six
import logging
import jsonschema
from lcm.pub.exceptions import NFLCMException
logger = logging.getLogger(__name__)
def _format_validation_error(error):
"""
:param error: validation error to format
:type error: jsonchema.exceptions.ValidationError
:returns: string representation of the validation error
:rtype: str
"""
match = re.search("(.+) is a required property", error.message)
if match:
message = 'Error: missing required property {}.'.format(
match.group(1))
else:
message = 'Error: {}\n'.format(error.message)
if len(error.absolute_path) > 0:
message += 'Path: {}\n'.format(
'.'.join(
[six.text_type(path)
for path in error.absolute_path]))
message += 'Value: {}'.format(json.dumps(error.instance))
return message
def verify(new_vnfd):
errors_found = []
vnfd_schema_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "vnf_vnfd_all_schema.json")
with open(vnfd_schema_path, "r") as fvnfd_schema:
vnfd_schema = json.load(fvnfd_schema)
vnfd_validator = jsonschema.validators.Draft4Validator(schema=vnfd_schema)
for error in vnfd_validator.iter_errors(new_vnfd):
# print("Error:%s" % error)
logger.error("vnfd verify fail,%s" % _format_validation_error(error))
errors_found.append(_format_validation_error(error))
if len(errors_found) > 0:
raise NFLCMException(errors_found)
return True
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