heat/heat/objects/raw_template.py

98 lines
3.4 KiB
Python

# Copyright 2014 Intel Corp.
#
# 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.
"""
RawTemplate object
"""
import copy
from oslo_config import cfg
from oslo_utils import encodeutils
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from heat.common import crypt
from heat.common import environment_format as env_fmt
from heat.db import api as db_api
from heat.objects import fields as heat_fields
class RawTemplate(
base.VersionedObject,
base.VersionedObjectDictCompat,
base.ComparableVersionedObject,
):
fields = {
'id': fields.StringField(),
'files': heat_fields.JsonField(nullable=True),
'template': heat_fields.JsonField(),
'environment': heat_fields.JsonField(),
'predecessor': fields.IntegerField(),
}
@staticmethod
def _from_db_object(context, tpl, db_tpl):
for field in tpl.fields:
tpl[field] = db_tpl[field]
tpl.environment = copy.deepcopy(tpl.environment)
# If any of the parameters were encrypted, then decrypt them
if (tpl.environment is not None and
env_fmt.ENCRYPTED_PARAM_NAMES in tpl.environment):
parameters = tpl.environment[env_fmt.PARAMETERS]
encrypted_param_names = tpl.environment[
env_fmt.ENCRYPTED_PARAM_NAMES]
for param_name in encrypted_param_names:
decrypt_function_name = parameters[param_name][0]
decrypt_function = getattr(crypt, decrypt_function_name)
decrypted_val = decrypt_function(parameters[param_name][1])
parameters[param_name] = encodeutils.safe_decode(decrypted_val)
tpl.environment[env_fmt.PARAMETERS] = parameters
tpl._context = context
tpl.obj_reset_changes()
return tpl
@classmethod
def get_by_id(cls, context, template_id):
raw_template_db = db_api.raw_template_get(context, template_id)
raw_template = cls._from_db_object(context, cls(), raw_template_db)
return raw_template
@classmethod
def encrypt_hidden_parameters(cls, tmpl):
if cfg.CONF.encrypt_parameters_and_properties:
for param_name, param in tmpl.env.params.items():
if not tmpl.param_schemata()[param_name].hidden:
continue
clear_text_val = tmpl.env.params.get(param_name)
encoded_val = encodeutils.safe_encode(clear_text_val)
tmpl.env.params[param_name] = crypt.encrypt(encoded_val)
tmpl.env.encrypted_param_names.append(param_name)
@classmethod
def create(cls, context, values):
return db_api.raw_template_create(context, values)
@classmethod
def update_by_id(cls, context, template_id, values):
return db_api.raw_template_update(context, template_id, values)
@classmethod
def delete(cls, context, template_id):
return db_api.raw_template_delete(context, template_id)