SEBA-405 Update openstack synchronizer to use synchronizer library

Change-Id: I9adae42fa7eec94ee496b728c32a7ce5db3c39e0
diff --git a/xos/synchronizer/steps/sync_roles.py b/xos/synchronizer/steps/sync_roles.py
index 8f2d09e..c197159 100644
--- a/xos/synchronizer/steps/sync_roles.py
+++ b/xos/synchronizer/steps/sync_roles.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from openstacksyncstep import OpenStackSyncStep
+from xossynchronizer.modelaccessor import *
+from xosconfig import Config
+from multistructlog import create_logger
 
-import os
-import base64
-from synchronizers.openstack.openstacksyncstep import OpenStackSyncStep
-from xos.logger import observer_logger as logger
-from synchronizers.new_base.modelaccessor import *
+log = create_logger(Config().get('logging'))
 
 class SyncRoles(OpenStackSyncStep):
     provides=[Role]
@@ -28,7 +28,7 @@
     def sync_record(self, role):
         if not role.enacted:
             controllers = Controller.objects.all()
-       	    for controller in controllers:
+            for controller in controllers:
                 driver = self.driver.admin_driver(controller=controller)
                 driver.create_role(role.role)
             role.save()