unify functest_yaml obtain process

functest_yaml is needed in almost all of the testcases, the obtain process is the same:
with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
functest_yaml = yaml.safe_load(f)
f.close()
abstract a method to unify the process, and provide the interface

JIRA: FUNCTEST-447

Change-Id: I96a9a9962d7b466f10bbd3b5ab2495957524e22a
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

1 files changed, 2 insertions, 5 deletions

diff --git a/testcases/OpenStack/vPing/vping_util.py b/testcases/OpenStack/vPing/vping_util.py
index 3f4adae7..8e9ce23e 100644
--- a/testcases/OpenStack/vPing/vping_util.py
+++ b/testcases/OpenStack/vPing/vping_util.py
@@ -1,6 +1,6 @@
 import os
-import re
 import pprint
+import re
 import sys
 import time
 
@@ -8,13 +8,10 @@ import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as os_utils
 import paramiko
 from scp import SCPClient
-import yaml
 
 REPO_PATH = os.environ['repos_dir'] + '/functest/'
 
-with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-    functest_yaml = yaml.safe_load(f)
-f.close()
+functest_yaml = ft_utils.get_functest_yaml()
 
 NAME_VM_1 = functest_yaml.get("vping").get("vm_name_1")
 NAME_VM_2 = functest_yaml.get("vping").get("vm_name_2")