98 lines
4.0 KiB
Python
98 lines
4.0 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_log import log as logging
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import six
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from deckhand.control import base as api_base
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from deckhand.control.views import document as document_view
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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.engine import secrets_manager
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from deckhand import errors as deckhand_errors
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from deckhand import policy
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from deckhand import types
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LOG = logging.getLogger(__name__)
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class BucketsResource(api_base.BaseResource):
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"""API resource for realizing CRUD operations for buckets."""
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view_builder = document_view.ViewBuilder()
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secrets_mgr = secrets_manager.SecretsManager()
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@policy.authorize('deckhand:create_cleartext_documents')
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def on_put(self, req, resp, bucket_name=None):
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document_data = req.stream.read(req.content_length or 0)
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try:
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documents = list(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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raise falcon.HTTPBadRequest(description=six.text_type(e))
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# NOTE: Must validate documents before doing policy enforcement,
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# because we expect certain formatting of the documents while doing
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# policy enforcement. If any documents fail basic schema validaiton
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# raise an exception immediately.
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data_schemas = db_api.revision_documents_get(
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schema=types.DATA_SCHEMA_SCHEMA, deleted=False)
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try:
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doc_validator = document_validation.DocumentValidation(
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documents, data_schemas, pre_validate=True)
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validations = doc_validator.validate_all()
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except deckhand_errors.InvalidDocumentFormat as e:
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LOG.exception(e.format_message())
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raise falcon.HTTPBadRequest(description=e.format_message())
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for document in documents:
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if document['metadata'].get('storagePolicy') == 'encrypted':
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policy.conditional_authorize(
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'deckhand:create_encrypted_documents', req.context)
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break
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self._prepare_secret_documents(documents)
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created_documents = self._create_revision_documents(
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bucket_name, documents, validations)
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resp.body = self.view_builder.list(created_documents)
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resp.status = falcon.HTTP_200
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def _prepare_secret_documents(self, secret_documents):
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# Encrypt data for secret documents, if any.
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for document in secret_documents:
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# TODO(fmontei): Move all of this to document validation directly.
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if document['metadata'].get('storagePolicy') == 'encrypted':
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secret_data = self.secrets_mgr.create(document)
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document['data'] = secret_data
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def _create_revision_documents(self, bucket_name, documents,
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validations):
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try:
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created_documents = db_api.documents_create(
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bucket_name, documents, validations=validations)
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except (deckhand_errors.DocumentExists,
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deckhand_errors.SingletonDocumentConflict) as e:
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raise falcon.HTTPConflict(description=e.format_message())
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except Exception as e:
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raise falcon.HTTPInternalServerError(description=six.text_type(e))
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return created_documents
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