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>
(cherry picked from commit f4d0a05011e961a363c6d99522684ecdeb959716)

4 files changed, 10 insertions, 21 deletions

diff --git a/testcases/features/copper.py b/testcases/features/copper.py
index c79754a1b..73def7db2 100755
--- a/testcases/features/copper.py
+++ b/testcases/features/copper.py
@@ -14,13 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import argparse
-import os
 import sys
 import time
+
+import argparse
 import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as functest_utils
-import yaml
 
 parser = argparse.ArgumentParser()
 parser.add_argument("-r", "--report",
@@ -28,8 +27,7 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-    functest_yaml = yaml.safe_load(f)
+functest_yaml = functest_utils.get_functest_yaml()
 
 dirs = functest_yaml.get('general').get('directories')
 COPPER_REPO = dirs.get('dir_repo_copper')
diff --git a/testcases/features/doctor.py b/testcases/features/doctor.py
index 02edd25ca..6e6f26f37 100755
--- a/testcases/features/doctor.py
+++ b/testcases/features/doctor.py
@@ -13,11 +13,9 @@
 # 0.2: measure test duration and publish results under json format
 #
 #
-import argparse
-import os
 import time
-import yaml
 
+import argparse
 import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as functest_utils
 
@@ -27,8 +25,7 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-    functest_yaml = yaml.safe_load(f)
+functest_yaml = functest_utils.get_functest_yaml()
 
 dirs = functest_yaml.get('general').get('directories')
 DOCTOR_REPO = dirs.get('dir_repo_doctor')
diff --git a/testcases/features/domino.py b/testcases/features/domino.py
index 291a3b49b..cc98f546d 100755
--- a/testcases/features/domino.py
+++ b/testcases/features/domino.py
@@ -14,11 +14,9 @@
 # 0.3: add report flag to push results when needed
 #
 
-import argparse
-import os
 import time
-import yaml
 
+import argparse
 import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as functest_utils
 
@@ -29,8 +27,7 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-    functest_yaml = yaml.safe_load(f)
+functest_yaml = functest_utils.get_functest_yaml()
 
 dirs = functest_yaml.get('general').get('directories')
 DOMINO_REPO = dirs.get('dir_repo_domino')
diff --git a/testcases/features/promise.py b/testcases/features/promise.py
index 3728adfe5..3f58dcee8 100755
--- a/testcases/features/promise.py
+++ b/testcases/features/promise.py
@@ -9,20 +9,18 @@
 #
 # Maintainer : jose.lausuch@ericsson.com
 #
-import argparse
 import json
 import os
 import subprocess
 import time
 
+import argparse
 import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as functest_utils
 import functest.utils.openstack_utils as openstack_utils
 import keystoneclient.v2_0.client as ksclient
-from neutronclient.v2_0 import client as ntclient
 import novaclient.client as nvclient
-import yaml
-
+from neutronclient.v2_0 import client as ntclient
 
 parser = argparse.ArgumentParser()
 
@@ -32,8 +30,7 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-    functest_yaml = yaml.safe_load(f)
+functest_yaml = functest_utils.get_functest_yaml()
 
 dirs = functest_yaml.get('general').get('directories')
 PROMISE_REPO = dirs.get('dir_repo_promise')