use pyeval to squeeze out service names

templates/add_all_system_services_to_vre.json.j2

@@ -65,6 +65,15 @@
 				}
 			}
 		},
+		{
+			"name" : "pyeval",
+			"taskReferenceName" : "extract_client_ids",
+			"type" : "SIMPLE",
+			"inputParameters" : {
+				"code" : "import xml.etree.ElementTree as ET;\nout=[]\nfor n in ET.fromstring(data.xmlstring).findAll('Resource/Profile/Name'):out.append(n.text);\nreturn out",
+				"xmlstring" : "${retrieve_system_services.output.body}"
+			}
+		},
 		{
 			"name" : "pyrest",
 			"taskReferenceName" : "authorize",