Meena 3f2f636121 Added support for TOSCA group and group types
Implemented groups and group types in definition template and
their validations in topology template.
Added unittestcases for the groups section.

Partially implements: bp tosca-groups

Change-Id: I62fa876c8156db3da0377205b66250c598282b9c
2016-01-28 15:39:46 +05:30

87 lines
3.4 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 InvalidTypeError
from toscaparser.common.exception import UnknownFieldError
from toscaparser.elements.statefulentitytype import StatefulEntityType
class GroupType(StatefulEntityType):
'''TOSCA built-in group type.'''
SECTIONS = (DERIVED_FROM, VERSION, METADATA, DESCRIPTION, PROPERTIES,
MEMBERS, INTERFACES) = \
("derived_from", "version", "metadata", "description",
"properties", "members", "interfaces")
def __init__(self, grouptype, custom_def=None):
super(GroupType, self).__init__(grouptype, self.GROUP_PREFIX,
custom_def)
self.custom_def = custom_def
self.grouptype = grouptype
self._validate_fields()
self.group_description = None
if self.DESCRIPTION in self.defs:
self.group_description = self.defs[self.DESCRIPTION]
self.group_version = None
if self.VERSION in self.defs:
self.group_version = self.defs[self.VERSION]
self.group_properties = None
if self.PROPERTIES in self.defs:
self.group_properties = self.defs[self.PROPERTIES]
self.group_members = None
if self.MEMBERS in self.defs:
self.group_members = self.defs[self.MEMBERS]
if self.METADATA in self.defs:
self.meta_data = self.defs[self.METADATA]
self._validate_metadata(self.meta_data)
@property
def description(self):
return self.group_description
@property
def version(self):
return self.group_version
@property
def interfaces(self):
return self.get_value(self.INTERFACES)
def _validate_fields(self):
if self.defs:
for name in self.defs.keys():
if name not in self.SECTIONS:
ExceptionCollector.appendException(
UnknownFieldError(what='Group Type %s'
% self.grouptype, field=name))
def _validate_metadata(self, meta_data):
if not meta_data.get('type') in ['map', 'tosca:map']:
ExceptionCollector.appendException(
InvalidTypeError(what='"%s" defined in group for '
'metadata' % (meta_data.get('type'))))
for entry_schema, entry_schema_type in meta_data.items():
if isinstance(entry_schema_type, dict) and not \
entry_schema_type.get('type') == 'string':
ExceptionCollector.appendException(
InvalidTypeError(what='"%s" defined in group for '
'metadata "%s"'
% (entry_schema_type.get('type'),
entry_schema)))