106 lines
4.4 KiB
Python
106 lines
4.4 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
|
|
#
|
|
# 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 yaml
|
|
|
|
import falcon
|
|
from oslo_log import log as logging
|
|
import six
|
|
|
|
from deckhand.control import base as api_base
|
|
from deckhand.control.views import document as document_view
|
|
from deckhand.db.sqlalchemy import api as db_api
|
|
from deckhand.engine import document_validation
|
|
from deckhand.engine import secrets_manager
|
|
from deckhand import errors as deckhand_errors
|
|
from deckhand import policy
|
|
from deckhand import types
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class BucketsResource(api_base.BaseResource):
|
|
"""API resource for realizing CRUD operations for buckets."""
|
|
|
|
view_builder = document_view.ViewBuilder()
|
|
secrets_mgr = secrets_manager.SecretsManager()
|
|
|
|
@policy.authorize('deckhand:create_cleartext_documents')
|
|
def on_put(self, req, resp, bucket_name=None):
|
|
document_data = req.stream.read(req.content_length or 0)
|
|
try:
|
|
documents = list(yaml.safe_load_all(document_data))
|
|
except yaml.YAMLError as e:
|
|
error_msg = ("Could not parse the document into YAML data. "
|
|
"Details: %s." % e)
|
|
LOG.error(error_msg)
|
|
raise falcon.HTTPBadRequest(description=six.text_type(e))
|
|
|
|
# NOTE: Must validate documents before doing policy enforcement,
|
|
# because we expect certain formatting of the documents while doing
|
|
# policy enforcement.
|
|
validation_policies = self._create_validation_policies(documents)
|
|
|
|
for document in documents:
|
|
if document['metadata'].get('storagePolicy') == 'encrypted':
|
|
policy.conditional_authorize(
|
|
'deckhand:create_encrypted_documents', req.context)
|
|
break
|
|
|
|
self._prepare_secret_documents(documents)
|
|
|
|
# Save all the documents, including validation policies.
|
|
documents_to_create = documents + validation_policies
|
|
created_documents = self._create_revision_documents(
|
|
bucket_name, list(documents_to_create))
|
|
|
|
if created_documents:
|
|
resp.body = self.view_builder.list(created_documents)
|
|
resp.status = falcon.HTTP_200
|
|
resp.append_header('Content-Type', 'application/x-yaml')
|
|
|
|
def _create_validation_policies(self, documents):
|
|
# All concrete documents in the payload must successfully pass their
|
|
# JSON schema validations. Otherwise raise an error.
|
|
try:
|
|
validation_policies = document_validation.DocumentValidation(
|
|
documents).validate_all()
|
|
except deckhand_errors.InvalidDocumentFormat as e:
|
|
# FIXME(fmontei): Save the malformed documents and the failed
|
|
# validation policy in the DB for future debugging, and only
|
|
# afterward raise an exception.
|
|
raise falcon.HTTPBadRequest(description=e.format_message())
|
|
return validation_policies
|
|
|
|
def _prepare_secret_documents(self, secret_documents):
|
|
# Encrypt data for secret documents, if any.
|
|
for document in secret_documents:
|
|
# TODO(fmontei): Move all of this to document validation directly.
|
|
if document['metadata'].get('storagePolicy') == 'encrypted':
|
|
secret_data = self.secrets_mgr.create(document)
|
|
document['data'] = secret_data
|
|
elif any([document['schema'].startswith(t)
|
|
for t in types.DOCUMENT_SECRET_TYPES]):
|
|
document['data'] = {'secret': document['data']}
|
|
|
|
def _create_revision_documents(self, bucket_name, documents):
|
|
try:
|
|
created_documents = db_api.documents_create(bucket_name, documents)
|
|
except deckhand_errors.DocumentExists as e:
|
|
raise falcon.HTTPConflict(description=e.format_message())
|
|
except Exception as e:
|
|
raise falcon.HTTPInternalServerError(description=six.text_type(e))
|
|
|
|
return created_documents
|