84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
|
|
#
|
|
# 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 functools
|
|
|
|
import jsonschema
|
|
|
|
from savanna import exceptions as ex
|
|
import savanna.openstack.common.exception as os_ex
|
|
from savanna.utils import api as u
|
|
from savanna.utils import api_validator
|
|
|
|
|
|
def validate(schema, *validators):
|
|
def decorator(func):
|
|
@functools.wraps(func)
|
|
def handler(*args, **kwargs):
|
|
request_data = u.request_data()
|
|
try:
|
|
if schema:
|
|
validator = api_validator.ApiValidator(schema)
|
|
validator.validate(request_data)
|
|
if validators:
|
|
for validator in validators:
|
|
validator(**kwargs)
|
|
except jsonschema.ValidationError as e:
|
|
e.code = "VALIDATION_ERROR"
|
|
return u.bad_request(e)
|
|
except ex.SavannaException as e:
|
|
return u.bad_request(e)
|
|
except os_ex.MalformedRequestBody as e:
|
|
e.code = "MALFORMED_REQUEST_BODY"
|
|
return u.bad_request(e)
|
|
except Exception as e:
|
|
return u.internal_error(
|
|
500, "Error occurred during validation", e)
|
|
|
|
return func(*args, **kwargs)
|
|
|
|
return handler
|
|
|
|
return decorator
|
|
|
|
|
|
def check_exists(get_func, *id_prop, **get_args):
|
|
def decorator(func):
|
|
@functools.wraps(func)
|
|
def handler(*args, **kwargs):
|
|
if id_prop and not get_args:
|
|
get_args['id'] = id_prop[0]
|
|
|
|
get_kwargs = {}
|
|
for get_arg in get_args:
|
|
get_kwargs[get_arg] = kwargs[get_args[get_arg]]
|
|
|
|
obj = None
|
|
try:
|
|
obj = get_func(**get_kwargs)
|
|
except Exception as e:
|
|
if 'notfound' not in e.__class__.__name__.lower():
|
|
raise e
|
|
if obj is None:
|
|
e = ex.NotFoundException(get_kwargs,
|
|
'Object with %s not found')
|
|
return u.not_found(e)
|
|
|
|
return func(*args, **kwargs)
|
|
|
|
return handler
|
|
|
|
return decorator
|