add util function

functest/testcases/vnf/vnf/utilvnf.py

@@ -0,0 +1,54 @@
+#!/usr/bin/python
+# coding: utf8
+#######################################################################
+#
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+########################################################################
+import os
+from novaclient import client as novaclient
+
+
+class utilvnf:
+
+    def __init__(self, logger=None):
+        self.logger = logger
+        self.username = ""
+        self.password = ""
+        self.auth_url = ""
+        self.tenant_name = ""
+        self.region_name = ""
+
+    def set_credentials(self, username, password, auth_url, tenant_name, region_name):
+        self.username = username
+        self.password = password
+        self.auth_url = auth_url
+        self.tenant_name = tenant_name
+        self.region_name = region_name
+
+
+    def get_nova_credentials(self):
+        d = {}
+        d['version'] = '2'
+        d['username'] = self.username
+        d['api_key'] = self.password
+        d['auth_url'] = self.auth_url
+        d['project_id'] = self.tenant_name
+        d['region_name'] = self.region_name
+        return d
+
+    def get_address(self, server_name, network_name ):
+        creds = self.get_nova_credentials()
+        nova_client = novaclient.Client(**creds)
+        servers_list = nova_client.servers.list()
+
+        for s in servers_list:
+            if s.name == server_name:
+                break
+
+        address = s.addresses[network_name][0]["addr"]
+
+        return address