distcloud-client/dcmanagerclient/utils.py
Scott Little 640ee2a980 StarlingX open source release updates
Signed-off-by: Scott Little <scott.little@windriver.com>
2018-08-07 11:51:16 -04:00

90 lines
2.6 KiB
Python

# Copyright 2016 - Ericsson AB
# Copyright 2015 - Huawei Technologies Co. Ltd
# Copyright 2015 - StackStorm, 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.
#
# Copyright (c) 2017 Wind River Systems, Inc.
#
# The right to copy, distribute, modify, or otherwise make use
# of this software may be licensed only pursuant to the terms
# of an applicable Wind River license agreement.
#
import json
import os
import yaml
from six.moves.urllib import parse
from six.moves.urllib import request
from dcmanagerclient import exceptions
def do_action_on_many(action, resources, success_msg, error_msg):
"""Helper to run an action on many resources."""
failure_flag = False
for resource in resources:
try:
action(resource)
print(success_msg % resource)
except Exception as e:
failure_flag = True
print(e)
if failure_flag:
raise exceptions.DCManagerClientException(error_msg)
def load_content(content):
if content is None or content == '':
return dict()
try:
data = yaml.safe_load(content)
except Exception:
data = json.loads(content)
return data
def load_file(path):
with open(path, 'r') as f:
return load_content(f.read())
def get_contents_if_file(contents_or_file_name):
"""Get the contents of a file.
If the value passed in is a file name or file URI, return the
contents. If not, or there is an error reading the file contents,
return the value passed in as the contents.
For example, a workflow definition will be returned if either the
workflow definition file name, or file URI are passed in, or the
actual workflow definition itself is passed in.
"""
try:
if parse.urlparse(contents_or_file_name).scheme:
definition_url = contents_or_file_name
else:
path = os.path.abspath(contents_or_file_name)
definition_url = parse.urljoin(
'file:',
request.pathname2url(path)
)
return request.urlopen(definition_url).read().decode('utf8')
except Exception:
return contents_or_file_name