refstack client: improvement and fix of TestCase usage

JIRA: FUNCTEST-772

1, RefstackClientParser should not be a subclass of TestCase
2, tempest_conf.py used for generating reference tempest.conf file
   not related to functest cmd, use logger is enough

Conflicts:
    functest/opnfv_tests/openstack/refstack_client/refstack_client.py

Change-Id: If9c37331a5a7687e5704e546efcdea8175b1529c
Signed-off-by: MatthewLi <matthew.lijun@huawei.com>
(cherry picked from commit 2f0b1281308cb494d83240eaa5137ca0524718b7)

2 files changed, 10 insertions, 12 deletions

diff --git a/functest/opnfv_tests/openstack/refstack_client/refstack_client.py b/functest/opnfv_tests/openstack/refstack_client/refstack_client.py
index 37aa9e399..d2ac50901 100755
--- a/functest/opnfv_tests/openstack/refstack_client/refstack_client.py
+++ b/functest/opnfv_tests/openstack/refstack_client/refstack_client.py
@@ -192,10 +192,9 @@ class RefstackClient(testcase.TestCase):
         return res
 
 
-class RefstackClientParser(testcase.TestCase):
+class RefstackClientParser(object):
 
     def __init__(self):
-        super(RefstackClientParser, self).__init__()
         self.FUNCTEST_TEST = CONST.dir_functest_test
         self.CONF_PATH = CONST.refstack_tempest_conf_path
         self.DEFCORE_LIST = CONST.refstack_defcore_list
diff --git a/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py b/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py
index 5624ed79b..d01f08727 100755
--- a/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py
+++ b/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py
@@ -5,9 +5,8 @@
 # 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 sys
+import os
 
-from functest.core import testcase
 from functest.opnfv_tests.openstack.tempest import conf_utils
 from functest.utils import openstack_utils
 from functest.utils.constants import CONST
@@ -25,6 +24,8 @@ class TempestConf(object):
         self.DEPLOYMENT_ID = conf_utils.get_verifier_deployment_id()
         self.DEPLOYMENT_DIR = conf_utils.get_verifier_deployment_dir(
             self.VERIFIER_ID, self.DEPLOYMENT_ID)
+        self.confpath = os.path.join(CONST.dir_functest_test,
+                                     CONST.refstack_tempest_conf_path)
 
     def generate_tempestconf(self):
         try:
@@ -33,21 +34,19 @@ class TempestConf(object):
                 use_custom_images=True, use_custom_flavors=True)
             conf_utils.configure_tempest_defcore(
                 self.DEPLOYMENT_DIR, img_flavor_dict)
-        except KeyError as e:
-            logger.error("defcore prepare env error with: %s", e)
+        except Exception as e:
+            logger.error("error with generating refstack client "
+                         "reference tempest conf file: %s", e)
 
     def main(self):
         try:
             self.generate_tempestconf()
-            res = testcase.TestCase.EX_OK
+            logger.info("a reference tempest conf file generated "
+                        "at %s", self.confpath)
         except Exception as e:
             logger.error('Error with run: %s', e)
-            res = testcase.TestCase.EX_RUN_ERROR
 
-        return res
 
 if __name__ == '__main__':
     tempestconf = TempestConf()
-    result = tempestconf.main()
-    if result != testcase.TestCase.EX_OK:
-        sys.exit(result)
+    tempestconf.main()