[CORD-2886] Sending device config to VOLTHA ONOS

Change-Id: Iec466bd5cf1528b2ca80064819de36a24b883e10
diff --git a/xos/synchronizer/steps/helpers.py b/xos/synchronizer/steps/helpers.py
new file mode 100644
index 0000000..914279e
--- /dev/null
+++ b/xos/synchronizer/steps/helpers.py
@@ -0,0 +1,43 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+class Helpers():
+    @staticmethod
+    def format_url(url):
+        if 'http' in url:
+            return url
+        else:
+            return 'http://%s' % url
+
+    @staticmethod
+    def get_voltha_info(olt_service):
+        return {
+            'url': Helpers.format_url(olt_service.voltha_url),
+            'user': olt_service.voltha_user,
+            'pass': olt_service.voltha_pass
+        }
+
+    @staticmethod
+    def get_p_onos_info(olt_service):
+        return {
+            'url': Helpers.format_url(olt_service.p_onos_url),
+            'user': olt_service.p_onos_user,
+            'pass': olt_service.p_onos_pass
+        }
+
+    @staticmethod
+    def datapath_id_to_hex(id):
+        if isinstance(id, basestring):
+            id = int(id)
+        return "{0:0{1}x}".format(id, 16)
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