3135ba2604
Implement the schema with validation for a TOSCA LoadBalancer node type as per definition in TOSCA Simple Profile in YAML version 1.0 specification. Change-Id: Idb2454d78ab6b26366355817d76885799d90c08e
101 lines
3.9 KiB
Python
101 lines
3.9 KiB
Python
# 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.
|
|
|
|
from toscaparser.common.exception import ExceptionCollector
|
|
from toscaparser.common.exception import InvalidSchemaError
|
|
from toscaparser.common.exception import TOSCAException
|
|
from toscaparser.utils.gettextutils import _
|
|
|
|
|
|
class PropertyDef(object):
|
|
'''TOSCA built-in Property type.'''
|
|
|
|
VALID_PROPERTY_KEYNAMES = (PROPERTY_KEYNAME_DEFAULT,
|
|
PROPERTY_KEYNAME_REQUIRED,
|
|
PROPERTY_KEYNAME_STATUS) = \
|
|
('default', 'required', 'status')
|
|
|
|
PROPERTY_REQUIRED_DEFAULT = False
|
|
|
|
VALID_REQUIRED_VALUES = ['true', 'false']
|
|
VALID_STATUS_VALUES = (PROPERTY_STATUS_SUPPORTED,
|
|
PROPERTY_STATUS_EXPERIMENTAL) = \
|
|
('supported', 'experimental')
|
|
|
|
PROPERTY_STATUS_DEFAULT = PROPERTY_STATUS_SUPPORTED
|
|
|
|
def __init__(self, name, value=None, schema=None):
|
|
self.name = name
|
|
self.value = value
|
|
self.schema = schema
|
|
self._status = self.PROPERTY_STATUS_DEFAULT
|
|
self._required = self.PROPERTY_REQUIRED_DEFAULT
|
|
|
|
# Validate required 'type' property exists
|
|
try:
|
|
self.schema['type']
|
|
except KeyError:
|
|
msg = (_('Schema definition of "%(pname)s" must have a "type" '
|
|
'attribute.') % dict(pname=self.name))
|
|
ExceptionCollector.appendException(
|
|
InvalidSchemaError(message=msg))
|
|
|
|
if self.schema:
|
|
self._load_required_attr_from_schema()
|
|
self._load_status_attr_from_schema()
|
|
|
|
@property
|
|
def default(self):
|
|
if self.schema:
|
|
for prop_key, prop_value in self.schema.items():
|
|
if prop_key == self.PROPERTY_KEYNAME_DEFAULT:
|
|
return prop_value
|
|
return None
|
|
|
|
@property
|
|
def required(self):
|
|
return self._required
|
|
|
|
def _load_required_attr_from_schema(self):
|
|
# IF 'required' keyname exists verify it's a boolean,
|
|
# if so override default
|
|
if self.PROPERTY_KEYNAME_REQUIRED in self.schema:
|
|
value = self.schema[self.PROPERTY_KEYNAME_REQUIRED]
|
|
if isinstance(value, bool):
|
|
self._required = value
|
|
else:
|
|
valid_values = ', '.join(self.VALID_REQUIRED_VALUES)
|
|
attr = self.PROPERTY_KEYNAME_REQUIRED
|
|
TOSCAException.generate_inv_schema_property_error(self,
|
|
attr,
|
|
value,
|
|
valid_values)
|
|
|
|
@property
|
|
def status(self):
|
|
return self._status
|
|
|
|
def _load_status_attr_from_schema(self):
|
|
# IF 'status' keyname exists verify it's a valid value,
|
|
# if so override default
|
|
if self.PROPERTY_KEYNAME_STATUS in self.schema:
|
|
value = self.schema[self.PROPERTY_KEYNAME_STATUS]
|
|
if value in self.VALID_STATUS_VALUES:
|
|
self._status = value
|
|
else:
|
|
valid_values = ', '.join(self.VALID_STATUS_VALUES)
|
|
attr = self.PROPERTY_KEYNAME_STATUS
|
|
TOSCAException.generate_inv_schema_property_error(self,
|
|
attr,
|
|
value,
|
|
valid_values)
|