68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
# Copyright 2017 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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import yaml
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import falcon
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from oslo_db import exception as db_exc
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from oslo_log import log as logging
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from deckhand.control import base as api_base
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from deckhand.db.sqlalchemy import api as db_api
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from deckhand.engine import document_validation
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from deckhand import errors as deckhand_errors
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LOG = logging.getLogger(__name__)
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class DocumentsResource(api_base.BaseResource):
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"""API resource for realizing CRUD endpoints for Documents."""
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def on_post(self, req, resp):
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"""Create a document. Accepts YAML data only."""
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if req.content_type != 'application/x-yaml':
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LOG.warning('Requires application/yaml payload.')
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document_data = req.stream.read(req.content_length or 0)
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try:
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documents = [d for d in yaml.safe_load_all(document_data)]
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except yaml.YAMLError as e:
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error_msg = ("Could not parse the document into YAML data. "
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"Details: %s." % e)
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LOG.error(error_msg)
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return self.return_error(resp, falcon.HTTP_400, message=error_msg)
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# All concrete documents in the payload must successfully pass their
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# JSON schema validations. Otherwise raise an error.
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try:
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validation_policies = document_validation.DocumentValidation(
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documents).validate_all()
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except (deckhand_errors.InvalidDocumentFormat,
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deckhand_errors.UnknownDocumentFormat) as e:
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return self.return_error(resp, falcon.HTTP_400, message=e)
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try:
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created_documents = db_api.documents_create(
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documents, validation_policies)
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except db_exc.DBDuplicateEntry as e:
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return self.return_error(resp, falcon.HTTP_409, message=e)
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except Exception as e:
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return self.return_error(resp, falcon.HTTP_500, message=e)
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resp.status = falcon.HTTP_201
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resp.append_header('Content-Type', 'application/x-yaml')
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resp.body = self.to_yaml_body(created_documents)
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