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# -*- coding: utf8 -*-
# ============LICENSE_START=======================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2020 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software 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.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# 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.
#
# ============LICENSE_END============================================
import importlib
import onap_client
import pkgutil
import inspect
import sys
import logging
from onap_client.client.catalog import Catalog
from onap_client import config
CACHED_CLIENT = None
def get_client(config_file=None):
clients = sys.modules[__name__]
if not clients.CACHED_CLIENT or config_file:
clients.CACHED_CLIENT = Client(config_file)
return clients.CACHED_CLIENT
class Client(Catalog):
"""Base class for the ONAP client. Subclasses are dynamically
loaded and added as attributes. Instantiate and use this class
to interact with ONAP."""
def __init__(self, config_file=None):
self.config = config.APP_CONFIG
self.modules = import_submodules(onap_client)
super().__init__()
if config_file:
config.LOG.info("Overriding ONAP Client configuration: {}".format(config_file))
self.set_config(config_file)
@property
def namespace(self):
return "onap"
@property
def catalog_resources(self):
return {}
@property
def utility_functions(self):
utility_functions = {}
for module_name, module in self.modules.items():
all_functions = inspect.getmembers(module, inspect.isfunction)
for func in all_functions:
function = func[1]
if hasattr(function, "utility_function"):
utility_functions[func[0]] = func[1]
return utility_functions
def set_config(self, config_file):
self.config = config.load_config(config_file, "onap_client")
self._set_logging(self.config.LOG_LEVEL)
for attr_name, attr in self.__dict__.items():
if isinstance(attr, Client):
config.LOG.info("Reloading {} {}".format(attr_name, attr))
attr.set_config(config_file)
for k, v in attr.catalog_resources.items():
attr.load(k, v)
def _set_logging(self, level):
LOG = logging.getLogger("ONAP_CLIENT")
LOG.setLevel(getattr(logging, level.upper()))
def import_submodules(package, recursive=True):
"""Import all the modules in onap-client, except for those starting
with tests*. This is needed so that the Client object can register child classes"""
if isinstance(package, str):
package = importlib.import_module(package)
results = {}
for loader, name, is_pkg in pkgutil.walk_packages(package.__path__):
full_name = package.__name__ + "." + name
if full_name.find("tests") == -1:
results[full_name] = importlib.import_module(full_name)
if recursive and is_pkg:
results.update(import_submodules(full_name))
return results
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