Add Nova network scenarios

Added base methods (create/delete) for nova network
and added scenario to rally jobs for functional test.

Change-Id: I8c1f11e0f84345e10423b2117fc88513ca206fe0
Co-Authored-By: Andrey Kurilin <akurilin@mirantis.com>

rally-jobs/rally.yaml

@@ -1041,3 +1041,35 @@
       sla:
         failure_rate:
           max: 0
+
+  NovaNetworks.create_and_list_networks:
+    -
+      args:
+        start_cidr: "10.10.0.0/24"
+      runner:
+        type: "constant"
+        times: 5
+        concurrency: 2
+      context:
+        users:
+          tenants: 3
+          users_per_tenant: 2
+      sla:
+        failure_rate:
+          max: 0
+
+  NovaNetworks.create_and_delete_network:
+    -
+      args:
+        start_cidr: "10.10.0.0/24"
+      runner:
+        type: "constant"
+        times: 5
+        concurrency: 2
+      context:
+        users:
+          tenants: 3
+          users_per_tenant: 2
+      sla:
+        failure_rate:
+          max: 0

rally/consts.py

@@ -86,6 +86,7 @@ class _Service(utils.ImmutableMixin, utils.EnumMixin):
     """OpenStack services names, by rally convention."""
 
     NOVA = "nova"
+    NOVA_NET = "nova-network"
     NOVAV21 = "novav21"
     NOVAV3 = "novav3"
     CINDER = "cinder"

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

@@ -798,3 +798,22 @@ class NovaScenario(scenario.OpenStackScenario):
         :param server: Server to unlock
         """
         server.unlock()
+
+    @base.atomic_action_timer("nova.create_network")
+    def _create_network(self, ip_range, **kwargs):
+        """Create nova network.
+
+        :param ip_range: IP range in CIDR notation to create
+        """
+        net_label = self._generate_random_name(prefix="rally_novanet")
+        ip_range = network_wrapper.generate_cidr(start_cidr=ip_range)
+        return self.admin_clients("nova").networks.create(
+            label=net_label, cidr=ip_range, **kwargs)
+
+    @base.atomic_action_timer("nova.delete_network")
+    def _delete_network(self, net_id):
+        """Delete nova network.
+
+        :param net_id: The nova-network ID to delete
+        """
+        return self.admin_clients("nova").networks.delete(net_id)

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

@@ -796,3 +796,33 @@ class NovaScenarioTestCase(test.ScenarioTestCase):
         server.unlock.assert_called_once_with()
         self._test_atomic_action_timer(nova_scenario.atomic_actions(),
                                        "nova.unlock_server")
+
+    def test__delete_network(self):
+        fake_netlabel = "test1"
+        nova_scenario = utils.NovaScenario()
+        nova_scenario._delete_network(fake_netlabel)
+        self.admin_clients("nova").networks.delete.assert_called_once_with(
+            fake_netlabel)
+        self._test_atomic_action_timer(nova_scenario.atomic_actions(),
+                                       "nova.delete_network")
+
+    @mock.patch(NOVA_UTILS + ".network_wrapper.generate_cidr")
+    def test__create_network(self, mock_generate_cidr):
+        fake_cidr = "10.2.0.0/24"
+        fake_net = mock.MagicMock()
+        fake_net.cidr = fake_cidr
+        self.admin_clients("nova").networks.create.return_value = (fake_net)
+
+        nova_scenario = utils.NovaScenario()
+        nova_scenario._generate_random_name = mock.Mock(
+            return_value="rally_novanet_fake")
+
+        return_netlabel = nova_scenario._create_network(fake_cidr,
+                                                        fakearg="fakearg")
+        mock_generate_cidr.assert_called_once_with(start_cidr=fake_cidr)
+        self.admin_clients("nova").networks.create.assert_called_once_with(
+            label="rally_novanet_fake", cidr=mock_generate_cidr.return_value,
+            fakearg="fakearg")
+        self.assertEqual(return_netlabel, fake_net)
+        self._test_atomic_action_timer(nova_scenario.atomic_actions(),
+                                       "nova.create_network")