refectoring: Eliminate repetitive code

- Removed to avoid repeatedly specifying dictionaries.

Change-Id: Ia0bcae7934646e01eea8e866b92b9b2b7d79f542
Signed-off-by: Youngjun <yj.yoo@okestro.com>

rally_openstack/common/services/gnocchi/metric.py

@@ -58,9 +58,9 @@ class GnocchiService(service.Service):
         :param metric_pattern: Wildcard of metric name to match
         :param archive_policy_name: Archive policy name
         """
-        archive_policy_rule = {"name": name}
-        archive_policy_rule["metric_pattern"] = metric_pattern
-        archive_policy_rule["archive_policy_name"] = archive_policy_name
+        archive_policy_rule = {"name": name,
+                               "metric_pattern": metric_pattern,
+                               "archive_policy_name": archive_policy_name}
         return self._clients.gnocchi().archive_policy_rule.create(
             archive_policy_rule)
 

rally_openstack/common/services/image/glance_v2.py

@@ -132,8 +132,7 @@ class GlanceV2Service(service.Service, glance_common.GlanceMixin):
         :param visibility: Filter in images for the specified visibility
         :param owner: Filter in images for tenant ID
         """
-        filters = {}
-        filters["status"] = status
+        filters = {"status": status}
         if visibility:
             filters["visibility"] = visibility
         if owner:

rally_openstack/task/scenarios/senlin/utils.py

@@ -127,9 +127,8 @@ class SenlinScenario(scenario.OpenStackScenario):
 
         :returns: object of profile created
         """
-        attrs = {}
-        attrs["spec"] = spec
-        attrs["name"] = self.generate_random_name()
+        attrs = {"spec": spec,
+                 "name": self.generate_random_name()}
         if metadata:
             attrs["metadata"] = metadata
 

tests/unit/common/services/gnocchi/test_metric.py

@@ -34,9 +34,9 @@ class GnocchiServiceTestCase(test.TestCase):
         definition = [{"granularity": "0:00:01", "timespan": "1:00:00"}]
         aggregation_methods = [
             "std", "count", "95pct", "min", "max", "sum", "median", "mean"]
-        archive_policy = {"name": "fake_name"}
-        archive_policy["definition"] = definition
-        archive_policy["aggregation_methods"] = aggregation_methods
+        archive_policy = {"name": "fake_name",
+                          "definition": definition,
+                          "aggregation_methods": aggregation_methods}
 
         self.assertEqual(
             self.service.create_archive_policy(
@@ -65,9 +65,9 @@ class GnocchiServiceTestCase(test.TestCase):
                                        "gnocchi.list_archive_policy")
 
     def test__create_archive_policy_rule(self):
-        archive_policy_rule = {"name": "fake_name"}
-        archive_policy_rule["metric_pattern"] = "cpu_*"
-        archive_policy_rule["archive_policy_name"] = "low"
+        archive_policy_rule = {"name": "fake_name",
+                               "metric_pattern": "cpu_*",
+                               "archive_policy_name": "low"}
 
         self.assertEqual(
             self.service.create_archive_policy_rule(
@@ -129,10 +129,10 @@ class GnocchiServiceTestCase(test.TestCase):
                                        "gnocchi.get_measures")
 
     def test__create_metric(self):
-        param = {"name": "fake_name"}
-        param["archive_policy_name"] = "fake_archive_policy"
-        param["unit"] = "fake_unit"
-        param["resource_id"] = "fake_resource_id"
+        param = {"name": "fake_name",
+                 "archive_policy_name": "fake_archive_policy",
+                 "unit": "fake_unit",
+                 "resource_id": "fake_resource_id"}
         self.assertEqual(
             self.service.create_metric(
                 name="fake_name",

tests/unit/task/scenarios/manila/test_shares.py

@@ -551,8 +551,8 @@ class ManilaSharesTestCase(test.ScenarioTestCase):
     def test_set_and_delete_metadata(self, params, iteration, share_number):
         scenario = shares.SetAndDeleteMetadata()
         share_list = [{"id": "fake_share_%s_id" % d} for d in range(3)]
-        scenario.context = {"tenant": {"shares": share_list}}
-        scenario.context["iteration"] = iteration
+        scenario.context = {"tenant": {"shares": share_list},
+                            "iteration": iteration}
         scenario._set_metadata = mock.MagicMock()
         scenario._delete_metadata = mock.MagicMock()
         expected_set_params = {