03991fa9e1
Include the original error message if an error occurs finding the package for a class. There may be some improvements that can be made, but this makes the logs a little more useful. Change-Id: I81b8cbcaea2773539aeabbdef6b2129cd28e28c3 Closes-Bug: #1348804
73 lines
2.6 KiB
Python
73 lines
2.6 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 sys
|
|
|
|
from oslo.config import cfg
|
|
|
|
from murano.dsl import class_loader
|
|
from murano.dsl import exceptions
|
|
from murano.dsl import murano_package
|
|
from murano.engine.system import yaql_functions
|
|
from murano.openstack.common import log as logging
|
|
from murano.packages import exceptions as pkg_exceptions
|
|
|
|
CONF = cfg.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class PackageClassLoader(class_loader.MuranoClassLoader):
|
|
def __init__(self, package_loader):
|
|
self.package_loader = package_loader
|
|
self._class_packages = {}
|
|
super(PackageClassLoader, self).__init__()
|
|
|
|
def _get_package_for(self, class_name):
|
|
package = self._class_packages.get(class_name, None)
|
|
if package is None:
|
|
package = self.package_loader.get_package_by_class(class_name)
|
|
if package is not None:
|
|
for cn in package.classes:
|
|
self._class_packages[cn] = package
|
|
return package
|
|
|
|
def load_definition(self, name):
|
|
try:
|
|
package = self._get_package_for(name)
|
|
if package is None:
|
|
raise exceptions.NoPackageForClassFound(name)
|
|
return package.get_class(name)
|
|
# (sjmc7) This is used as a control condition for system classes;
|
|
# do not delete (although I think it needs a better solution)
|
|
except exceptions.NoPackageForClassFound:
|
|
raise
|
|
except Exception as e:
|
|
msg = "Error loading {0}: {1}".format(name, str(e))
|
|
raise pkg_exceptions.PackageLoadError(msg), None, sys.exc_info()[2]
|
|
|
|
def load_package(self, name):
|
|
package = murano_package.MuranoPackage()
|
|
package.name = name
|
|
return package
|
|
|
|
def find_package_name(self, class_name):
|
|
app_pkg = self._get_package_for(class_name)
|
|
return None if app_pkg is None else app_pkg.full_name
|
|
|
|
def create_root_context(self):
|
|
context = super(PackageClassLoader, self).create_root_context()
|
|
yaql_functions.register(context)
|
|
return context
|