deb-sahara/sahara/plugins/hdp/configprovider.py
Abhishek Chanda 58f8fd6d96 Use new style classes everywhere
Old style classes has been deprecated and should not be used
anymore

https://docs.python.org/2/reference/datamodel.html#new-style-and-classic-classes

Change-Id: I8f85f5a63af7c6500d6efcde5efe8a1fd1456ff0
Closes-Bug: #1378021
2014-10-08 14:15:28 -07:00

70 lines
2.9 KiB
Python

# Copyright (c) 2013 Hortonworks, 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.
from sahara import exceptions
from sahara.i18n import _
from sahara.plugins import provisioning as p
class ConfigurationProvider(object):
def __init__(self, config):
self.config = config
self.config_mapper = {}
self.config_items = []
self._initialize(config)
def get_config_items(self):
return self.config_items
def get_applicable_target(self, name):
return self.config_mapper.get(name)
def _get_target(self, apptarget):
if apptarget == 'TODO':
apptarget = 'general'
return apptarget
def _initialize(self, config):
for configuration in self.config['configurations']:
for service_property in configuration['properties']:
config = p.Config(service_property['name'],
self._get_target(
service_property['applicable_target']),
service_property['scope'],
config_type=service_property['config_type'],
default_value=service_property
['default_value'],
is_optional=service_property[
'is_optional'],
description=service_property[
'description'])
setattr(config, 'tag', configuration['tag'].rsplit(".", 1)[0])
self.config_items.append(config)
# TODO(jspeidel): an assumption is made that property names
# are unique across configuration sections which is dangerous
property_name = service_property['name']
# if property already exists, throw an exception
if property_name in self.config_mapper:
# internal error
# ambari-config-resource contains duplicates
raise exceptions.InvalidDataException(
_('Internal Error. Duplicate property '
'name detected: %s') % property_name)
self.config_mapper[service_property['name']] = (
self._get_target(
service_property['applicable_target']))