murano/murano/tests/unit/dsl/foundation/test_package_loader.py

111 lines
4.0 KiB
Python

# Copyright (c) 2014 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 fnmatch
import os.path
import six
from murano.dsl import constants
from murano.dsl import murano_package
from murano.dsl import namespace_resolver
from murano.dsl import package_loader
from murano.engine import yaql_yaml_loader
from murano.tests.unit.dsl.foundation import object_model
class TestPackage(murano_package.MuranoPackage):
def __init__(self, pkg_loader, name, version,
runtime_version, requirements, configs):
self.__configs = configs
super(TestPackage, self).__init__(
pkg_loader, name, version,
runtime_version, requirements)
def get_class_config(self, name):
return self.__configs.get(name, {})
def get_resource(self, name):
pass
class TestPackageLoader(package_loader.MuranoPackageLoader):
_classes_cache = {}
def __init__(self, directory, package_name, parent_loader=None):
self._package_name = package_name
self._yaml_loader = yaql_yaml_loader.get_loader('1.0')
if directory in TestPackageLoader._classes_cache:
self._classes = TestPackageLoader._classes_cache[directory]
else:
self._classes = {}
self._build_index(directory)
TestPackageLoader._classes_cache[directory] = self._classes
self._parent = parent_loader
self._configs = {}
self._package = TestPackage(
self, package_name, None, constants.RUNTIME_VERSION_1_0,
None, self._configs)
for name, payload in six.iteritems(self._classes):
self._package.register_class(payload, name)
super(TestPackageLoader, self).__init__()
def load_package(self, package_name, version_spec):
if package_name == self._package_name:
return self._package
elif self._parent:
return self._parent.load_package(package_name, version_spec)
else:
raise KeyError(package_name)
def load_class_package(self, class_name, version_spec):
if class_name in self._classes:
return self._package
elif self._parent:
return self._parent.load_class_package(class_name, version_spec)
else:
raise KeyError(class_name)
def _build_index(self, directory):
yamls = [os.path.join(dirpath, f)
for dirpath, _, files in os.walk(directory)
for f in fnmatch.filter(files, '*.yaml')]
for class_def_file in yamls:
self._load_class(class_def_file)
def _load_class(self, class_def_file):
with open(class_def_file) as stream:
data = self._yaml_loader(stream.read(), class_def_file)
if 'Name' not in data:
return
for name, method in six.iteritems(data.get('Methods') or data.get(
'Workflow') or {}):
if name.startswith('test'):
method['Usage'] = 'Action'
ns = namespace_resolver.NamespaceResolver(data.get('Namespaces', {}))
class_name = ns.resolve_name(data['Name'])
self._classes[class_name] = data
def set_config_value(self, class_name, property_name, value):
if isinstance(class_name, object_model.Object):
class_name = class_name.type_name
self._configs.setdefault(class_name, {})[
property_name] = value
def register_package(self, package):
super(TestPackageLoader, self).register_package(package)