########
# Copyright (c) 2015 GigaSpaces Technologies Ltd. All rights reserved
#
# 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.

# Built-in Imports
import os
import requests
import json
from cloudify import ctx
from cloudify.exceptions import NonRecoverableError
from cloudify.decorators import operation
import constants

@operation
def generate_credentials():
    client_id=ctx.node.properties('client_id')
    tenant_id=ctx.node.properties('tenant_id')
    username=ctx.node.properties('username')
    password=ctx.node.properties('password')
    url='https://login.microsoftonline.com/'+tenant_id+'/oauth2/token'
    headers ={"Content-Type":"application/x-www-form-urlencoded"}
    body = "grant_type=password&username="+username+"&password="+password+"&client_id="+client_id+"&resource=https://management.core.windows.net/"
    req = Request(method="POST",url=url,data=body)
    req_prepped = req.prepare()
    s = Session()
    res = Response()
    res = s.send(req_prepped)
    s=res.content
    end_of_leader = s.index('access_token":"') + len('access_token":"')
    start_of_trailer = s.index('"', end_of_leader)
    token=s[end_of_leader:start_of_trailer]
    print(token)
    credentials = "Bearer " + token
    return credentials

@operation
def validate_node_properties(key, ctx_node_properties):
    if key not in ctx_node_properties:
        raise NonRecoverableError('{0} is a required input. Unable to create.'.format(key))






########
# Copyright (c) 2015 GigaSpaces Technologies Ltd. All rights reserved
#
# 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.

# Built-in Imports
import os
import requests
import json
from cloudify import ctx
from cloudify.exceptions import NonRecoverableError
from cloudify.decorators import operation
import constants



@operation
def validate_node_properties(key, ctx_node_properties):
    if key not in ctx_node_properties:
        raise NonRecoverableError('{0} is a required input. Unable to create.'.format(key))






Update utils.py