Add NovaAggregates.create_and_delete_aggregate

This scenario first creates a aggregate and then delete it.

Change-Id: I35d34f9ea899c234cb79d2ba484c957a64e7fddd

rally-jobs/nova.yaml

@@ -1172,3 +1172,19 @@
       sla:
         failure_rate:
           max: 0
+
+  NovaAggregates.create_and_delete_aggregate:
+    -
+      args:
+        availability_zone: "nova"
+      runner:
+        type: "constant"
+        times: 10
+        concurrency: 2
+      context:
+        users:
+          tenants: 3
+          users_per_tenant: 2
+      sla:
+        failure_rate:
+          max: 0

rally/plugins/openstack/scenarios/nova/aggregates.py

@@ -48,3 +48,19 @@ class CreateAndListAggregates(utils.NovaScenario):
         """
         self._create_aggregate(availability_zone)
         self._list_aggregates()
+
+
+@validation.required_services(consts.Service.NOVA)
+@validation.required_openstack(admin=True)
+@scenario.configure(context={"admin_cleanup": ["nova"]},
+                    name="NovaAggregates.create_and_delete_aggregate")
+class CreateAndDeleteAggregate(utils.NovaScenario):
+    """Scenario for create and delete aggregate."""
+
+    def run(self, availability_zone):
+        """Create an aggregate and then delete it.
+
+        This scenario first creates an aggregate and then delete it.
+        """
+        aggregate = self._create_aggregate(availability_zone)
+        self._delete_aggregate(aggregate)

rally/plugins/openstack/scenarios/nova/utils.py

@@ -1006,3 +1006,12 @@ class NovaScenario(scenario.OpenStackScenario):
         aggregate_name = self.generate_random_name()
         return self.admin_clients("nova").aggregates.create(aggregate_name,
                                                             availability_zone)
+
+    @atomic.action_timer("nova.delete_aggregate")
+    def _delete_aggregate(self, aggregate):
+        """Delete the specified aggregate.
+
+        :param aggregate: The aggregate to delete
+        :returns: An instance of novaclient.base.TupleWithMeta
+        """
+        return self.admin_clients("nova").aggregates.delete(aggregate)

samples/tasks/scenarios/nova/create-and-delete-aggregate.json

@@ -0,0 +1,25 @@
+{
+    "NovaAggregates.create_and_delete_aggregate": [
+        {
+            "args": {
+                "availability_zone": "nova"
+            },
+            "runner": {
+                "type": "constant",
+                "times": 10,
+                "concurrency": 2
+            },
+            "context": {
+                "users": {
+                    "tenants": 3,
+                    "users_per_tenant": 2
+                }
+            },
+            "sla": {
+                "failure_rate": {
+                    "max": 0
+                }
+            }
+        }
+    ]
+}

samples/tasks/scenarios/nova/create-and-delete-aggregate.yaml

@@ -0,0 +1,16 @@
+---
+  NovaAggregates.create_and_delete_aggregate:
+    -
+      args:
+        availability_zone: "nova"
+      runner:
+        type: "constant"
+        times: 10
+        concurrency: 2
+      context:
+        users:
+          tenants: 3
+          users_per_tenant: 2
+      sla:
+        failure_rate:
+          max: 0

tests/unit/plugins/openstack/scenarios/nova/test_aggregates.py

@@ -34,3 +34,12 @@ class NovaAggregatesTestCase(test.TestCase):
         scenario.run(availability_zone="nova")
         scenario._create_aggregate.assert_called_once_with("nova")
         scenario._list_aggregates.assert_called_once_with()
+
+    def test_create_and_delete_aggregate(self):
+        scenario = aggregates.CreateAndDeleteAggregate()
+        scenario._create_aggregate = mock.Mock()
+        scenario._delete_aggregate = mock.Mock()
+        scenario.run(availability_zone="nova")
+        scenario._create_aggregate.assert_called_once_with("nova")
+        aggregate = scenario._create_aggregate.return_value
+        scenario._delete_aggregate.assert_called_once_with(aggregate)

tests/unit/plugins/openstack/scenarios/nova/test_utils.py

@@ -1044,3 +1044,14 @@ class NovaScenarioTestCase(test.ScenarioTestCase):
             random_name, "nova")
         self._test_atomic_action_timer(nova_scenario.atomic_actions(),
                                        "nova.create_aggregate")
+
+    def test_delete_aggregate(self):
+        nova_scenario = utils.NovaScenario(context=self.context)
+        result = nova_scenario._delete_aggregate("fake_aggregate")
+        self.assertEqual(
+            self.admin_clients("nova").aggregates.delete.return_value,
+            result)
+        self.admin_clients("nova").aggregates.delete.assert_called_once_with(
+            "fake_aggregate")
+        self._test_atomic_action_timer(nova_scenario.atomic_actions(),
+                                       "nova.delete_aggregate")