--- /dev/null
+# -------------------------------------------------------------------------------
+# Copyright (c) 2018-2019 AT&T Intellectual Property.
+#
+# 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.
+# -------------------------------------------------------------------------------
+
+import json
+import sys
+
+usage = "extract_rmr_port.py xapp_descriptor_file port_name"
+
+if len(sys.argv) < 3 :
+ sys.exit(-1)
+
+xapp_descriptor_file = sys.argv[1]
+port_name = sys.argv[2]
+
+ret = ''
+
+with open(xapp_descriptor_file) as f:
+ data = json.load(f)
+
+ if 'messaging' in data.keys() and 'ports' in data['messaging'].keys():
+ port_list = data['messaging']['ports']
+ for port in port_list :
+ if 'name' in port.keys() and 'port' in port.keys() and port['name'] == port_name :
+ ret = port['port']
+
+print ret