82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from deckhand.engine import document_validation
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from deckhand.engine import layering
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from deckhand import errors as dh_errors
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from pegleg.engine.errorcodes import DECKHAND_DUPLICATE_SCHEMA
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from pegleg.engine.errorcodes import DECKHAND_RENDER_EXCEPTION
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def load_schemas_from_docs(documents):
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'''
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Fills the cache of known schemas from the document set
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'''
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errors = []
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SCHEMA_SCHEMA = "deckhand/DataSchema/v1"
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schema_set = dict()
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for document in documents:
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if document.get('schema', '') == SCHEMA_SCHEMA:
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name = document['metadata']['name']
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if name in schema_set:
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errors.append(
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(
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DECKHAND_DUPLICATE_SCHEMA,
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'Duplicate schema specified for: %s' % name))
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schema_set[name] = document['data']
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return schema_set, errors
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def deckhand_render(
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documents=None, fail_on_missing_sub_src=False, validate=True):
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documents = documents or []
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errors = []
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rendered_documents = []
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schemas, schema_errors = load_schemas_from_docs(documents)
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errors.extend(schema_errors)
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try:
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deckhand_eng = layering.DocumentLayering(
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documents,
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fail_on_missing_sub_src=fail_on_missing_sub_src,
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validate=validate)
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rendered_documents = [dict(d) for d in deckhand_eng.render()]
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if validate:
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validator = document_validation.DocumentValidation(
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rendered_documents)
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results = validator.validate_all()
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for result in results:
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if result['errors']:
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errors.append(
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(
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DECKHAND_RENDER_EXCEPTION,
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'During rendering Deckhand was unable to validate '
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'the following document, details: %s.' %
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(result['errors'])))
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except dh_errors.DeckhandException as e:
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errors.append(
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(
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DECKHAND_RENDER_EXCEPTION,
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'An unknown Deckhand exception occurred while trying'
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' to render documents: %s. Details: %s.' %
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(str(e), e.error_list)))
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return rendered_documents, errors
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