# http://www.apache.org/licenses/LICENSE-2.0
 """Clamp Scenario class."""
 from yaml import load
+import random
+import string
 import time
 
 from onapsdk.clamp.clamp_element import Clamp
 
     def instantiate_clamp(self, loop_template: str, loop_name: str, operational_policies: list):
         """Instantite a closed loopin CLAMP."""
+        letters = string.ascii_letters
+        loop_name_random = loop_name.join(
+            random.choice(letters) for i in range(6))
         loop = InstantiateLoop(template=loop_template,
-                               loop_name=loop_name,
+                               loop_name=loop_name_random,
                                operational_policies=operational_policies)
         return loop.instantiate_loop()
 
 
         service.create()
         self._logger.info(" Service %s created", service)
 
-        service.add_resource(vf)
-
-        # we add the artifact to the first VNF
-        self._logger.info("Try to add blueprint to %s", vf.name)
-        payload_file = open(settings.CONFIGURATION_PATH + 'tca-microservice.yaml', 'rb')
-        data = payload_file.read()
-        self._logger.info("DCAE INVENTORY BLUEPRINT file retrieved")
-        service.add_artifact_to_vf(vnf_name=vf.name,
-                                   artifact_type="DCAE_INVENTORY_BLUEPRINT",
-                                   artifact_name="tca-microservice.yaml",
-                                   artifact=data)
-        payload_file.close()
-        service.checkin()
-        service.onboard()
-        self._logger.info("DCAE INVENTORY BLUEPRINT ADDED")
+        if not service.distributed:
+            service.add_resource(vf)
+
+            # we add the artifact to the first VNF
+            self._logger.info("Try to add blueprint to %s", vf.name)
+            payload_file = open(settings.CONFIGURATION_PATH + 'tca-microservice.yaml', 'rb')
+            data = payload_file.read()
+            self._logger.info("DCAE INVENTORY BLUEPRINT file retrieved")
+            service.add_artifact_to_vf(vnf_name=vf.name,
+                                       artifact_type="DCAE_INVENTORY_BLUEPRINT",
+                                       artifact_name="tca-microservice.yaml",
+                                       artifact=data)
+            payload_file.close()
+            service.checkin()
+            service.onboard()
+            self._logger.info("DCAE INVENTORY BLUEPRINT ADDED")