old_contents: 
  import requests
  import json
  import urllib2
  from cloudify import ctx
  import constants
  
  def get_token_from_client_credentials():
   
      client_id = ctx.node.properties['client_id']
      client_secret = ctx.node.properties['password']
      tenant_id = ctx.node.properties['tenant_id']
      endpoints = 'https://login.microsoftonline.com/'+tenant_id+'/oauth2/token'
      payload = {
          'grant_type': 'client_credentials',
          'client_id': client_id,
          'client_secret': client_secret,
          'resource': constants.resource,
      }
      response =requests.post(endpoints, data=json.dumps(payload))
      return response['access_token']
  
  
  """  
  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]
      credentials = "Bearer " + token
      head = {"Content-Type": "application/json", "Authorization": credentials}
      return head
  """
  
new_contents: 
  import requests
  import json
  import urllib2
  from cloudify import ctx
  import constants
  
  def get_token_from_client_credentials():
   
      client_id = ctx.node.properties['client_id']
      client_secret = ctx.node.properties['password']
      tenant_id = ctx.node.properties['tenant_id']
      endpoints = 'https://login.microsoftonline.com/'+tenant_id+'/oauth2/token'
      payload = {
          'grant_type': 'client_credentials',
          'client_id': client_id,
          'client_secret': client_secret,
          'resource': constants.resource,
      }
      response =requests.post(endpoints, data=json.dumps(payload))
      return response[u'access_token']
  
  
  """  
  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]
      credentials = "Bearer " + token
      head = {"Content-Type": "application/json", "Authorization": credentials}
      return head
  """
  
subject: Update auth.py