Fix pylint errors about refstack

JIRA: FUNCTEST-907

Change-Id: Ib08a88523c700d35894b9b89b7585425a02065c3
Signed-off-by: Linda Wang <wangwulin@huawei.com>

3 files changed, 35 insertions, 30 deletions

diff --git a/functest/opnfv_tests/openstack/refstack_client/refstack_client.py b/functest/opnfv_tests/openstack/refstack_client/refstack_client.py
index fe32da66..4e8f58b6 100644
--- a/functest/opnfv_tests/openstack/refstack_client/refstack_client.py
+++ b/functest/opnfv_tests/openstack/refstack_client/refstack_client.py
@@ -38,6 +38,7 @@ LOGGER = logging.getLogger(__name__)
 
 class RefstackClient(testcase.TestCase):
     """RefstackClient testcase implementation class."""
+    # pylint: disable=too-many-instance-attributes
 
     def __init__(self, **kwargs):
         """Initialize RefstackClient testcase object."""
@@ -62,6 +63,7 @@ class RefstackClient(testcase.TestCase):
             self.insecure = '-k'
 
     def generate_conf(self):
+        """ Generate tempest.conf file to run tempest"""
         if not os.path.exists(conf_utils.REFSTACK_RESULTS_DIR):
             os.makedirs(conf_utils.REFSTACK_RESULTS_DIR)
 
@@ -86,11 +88,11 @@ class RefstackClient(testcase.TestCase):
                                "environment.log"), 'w+') as f_env:
             f_env.write(
                 ("Refstack environment:\n"
-                 "  SUT: {}\n  Scenario: {}\n  Node: {}\n  Date: {}\n").format(
-                    CONST.__getattribute__('INSTALLER_TYPE'),
-                    CONST.__getattribute__('DEPLOY_SCENARIO'),
-                    CONST.__getattribute__('NODE_NAME'),
-                    time.strftime("%a %b %d %H:%M:%S %Z %Y")))
+                 "  SUT: {}\n  Scenario: {}\n  Node: {}\n  Date: {}\n")
+                .format(CONST.__getattribute__('INSTALLER_TYPE'),
+                        CONST.__getattribute__('DEPLOY_SCENARIO'),
+                        CONST.__getattribute__('NODE_NAME'),
+                        time.strftime("%a %b %d %H:%M:%S %Z %Y")))
 
         with open(os.path.join(conf_utils.REFSTACK_RESULTS_DIR,
                                "refstack.log"), 'w+') as f_stdout:
@@ -147,7 +149,7 @@ class RefstackClient(testcase.TestCase):
                             "success": success_testcases,
                             "errors": failed_testcases,
                             "skipped": skipped_testcases}
-        except Exception:
+        except Exception:  # pylint: disable=broad-except
             self.result = 0
 
         LOGGER.info("Testcase %s success_rate is %s%%",
@@ -170,7 +172,7 @@ class RefstackClient(testcase.TestCase):
             self.run_defcore_default()
             self.parse_refstack_result()
             res = testcase.TestCase.EX_OK
-        except Exception:
+        except Exception:  # pylint: disable=broad-except
             LOGGER.exception("Error with run")
             res = testcase.TestCase.EX_RUN_ERROR
         finally:
@@ -207,7 +209,7 @@ class RefstackClient(testcase.TestCase):
             self._prep_test()
             self.run_defcore(self.confpath, self.testlist)
             res = testcase.TestCase.EX_OK
-        except Exception as exc:
+        except Exception as exc:  # pylint: disable=broad-except
             LOGGER.error('Error with run: %s', exc)
             res = testcase.TestCase.EX_RUN_ERROR
 
@@ -257,5 +259,5 @@ def main():
         result = refstackclient.main(**args)
         if result != testcase.TestCase.EX_OK:
             return result
-    except Exception:
+    except Exception:  # pylint: disable=broad-except
         return testcase.TestCase.EX_RUN_ERROR
diff --git a/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py b/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py
index db745227..5764f366 100644
--- a/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py
+++ b/functest/opnfv_tests/openstack/refstack_client/tempest_conf.py
@@ -5,6 +5,9 @@
 # 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
+
+""" Used to generate tempest.conf """
+
 import logging
 import pkg_resources
 
@@ -14,24 +17,23 @@ from functest.utils.constants import CONST
 from functest.opnfv_tests.openstack.tempest.tempest \
     import TempestResourcesManager
 
-""" logging configuration """
-logger = logging.getLogger(__name__)
+LOGGER = logging.getLogger(__name__)
 
 
 class TempestConf(object):
+    """ TempestConf class"""
     def __init__(self, **kwargs):
-        self.VERIFIER_ID = conf_utils.get_verifier_id()
-        self.VERIFIER_REPO_DIR = conf_utils.get_verifier_repo_dir(
-            self.VERIFIER_ID)
-        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.verifier_id = conf_utils.get_verifier_id()
+        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 = pkg_resources.resource_filename(
             'functest',
             'opnfv_tests/openstack/refstack_client/refstack_tempest.conf')
         self.resources = TempestResourcesManager(**kwargs)
 
     def generate_tempestconf(self):
+        """ Generate tempest.conf file"""
         try:
             openstack_utils.source_credentials(
                 CONST.__getattribute__('openstack_creds'))
@@ -39,29 +41,32 @@ class TempestConf(object):
                                               use_custom_images=True,
                                               use_custom_flavors=True)
             conf_utils.configure_tempest_defcore(
-                self.DEPLOYMENT_DIR,
+                self.deployment_dir,
                 image_id=resources.get("image_id"),
                 flavor_id=resources.get("flavor_id"),
                 image_id_alt=resources.get("image_id_alt"),
                 flavor_id_alt=resources.get("flavor_id_alt"),
                 tenant_id=resources.get("project_id"))
-        except Exception as e:
-            logger.error("error with generating refstack client "
-                         "reference tempest conf file: %s", e)
+        except Exception as err:  # pylint: disable=broad-except
+            LOGGER.error("error with generating refstack client "
+                         "reference tempest conf file: %s", err)
 
     def main(self):
+        """ The main function called by entry point"""
         try:
             self.generate_tempestconf()
-            logger.info("a reference tempest conf file generated "
+            LOGGER.info("a reference tempest conf file generated "
                         "at %s", self.confpath)
-        except Exception as e:
-            logger.error('Error with run: %s', e)
+        except Exception as err:  # pylint: disable=broad-except
+            LOGGER.error('Error with run: %s', err)
 
     def clean(self):
+        """Clean up the resources"""
         self.resources.cleanup()
 
 
 def main():
+    """Entry point"""
     logging.basicConfig()
     tempestconf = TempestConf()
     tempestconf.main()
diff --git a/functest/tests/unit/openstack/refstack_client/test_refstack_client.py b/functest/tests/unit/openstack/refstack_client/test_refstack_client.py
index 61e950a6..a7a914cb 100644
--- a/functest/tests/unit/openstack/refstack_client/test_refstack_client.py
+++ b/functest/tests/unit/openstack/refstack_client/test_refstack_client.py
@@ -10,9 +10,10 @@
 # pylint: disable=missing-docstring
 
 import logging
+import unittest
+
 import mock
 import pkg_resources
-import unittest
 
 from functest.core import testcase
 from functest.opnfv_tests.openstack.refstack_client.refstack_client import \
@@ -51,9 +52,7 @@ class OSRefstackClientTesting(unittest.TestCase):
                         "errors": ['tempest.api.volume [0.230334s]'],
                         "skipped": ['tempest.api.network [1.265828s]']}
 
-    @mock.patch('functest.opnfv_tests.openstack.refstack_client.tempest_conf.'
-                'TempestConf', return_value=mock.Mock())
-    def _create_client(self, *args):
+    def _create_client(self):
         with mock.patch('snaps.openstack.tests.openstack_tests.'
                         'get_credentials', return_value=self.os_creds):
             return RefstackClient()
@@ -145,8 +144,7 @@ class OSRefstackClientTesting(unittest.TestCase):
         parser = RefstackClientParser()
         self.assertEqual(parser.parse_args(
             ["--config={}".format(self._config),
-             "--testlist={}".format(self._testlist)
-             ]), self.default_args)
+             "--testlist={}".format(self._testlist)]), self.default_args)
 
 
 if __name__ == "__main__":