Fixes missing method in Hyper-V Utils (Metering)

Change-Id: I2beecfd13617fb243008016b810f49db5593fc65
Closes-Bug: 1252712

neutron/plugins/hyperv/agent/utilsv2.py

@@ -74,6 +74,12 @@ class HyperVUtilsV2(utils.HyperVUtils):
             ResourceSettings=[res_setting_data.path_()])
         self._check_job_status(ret_val, job)
 
+    def _add_virt_feature(self, element, res_setting_data):
+        vs_man_svc = self._conn.Msvm_VirtualSystemManagementService()[0]
+        (job_path, out_set_data, ret_val) = vs_man_svc.AddFeatureSettings(
+            element.path_(), [res_setting_data.GetText_(1)])
+        self._check_job_status(ret_val, job_path)
+
     def disconnect_switch_port(
             self, vswitch_name, switch_port_name, delete_port):
         """Disconnects the switch port."""

neutron/tests/unit/hyperv/test_hyperv_neutron_agent.py

@@ -27,6 +27,10 @@ from neutron.plugins.hyperv.agent import hyperv_neutron_agent
 from neutron.plugins.hyperv.agent import utilsfactory
 from neutron.tests import base
 
+cfg.CONF.import_opt('enable_metrics_collection',
+                    'neutron.plugins.hyperv.agent.hyperv_neutron_agent',
+                    'AGENT')
+
 
 class TestHyperVNeutronAgent(base.BaseTestCase):
 
@@ -65,14 +69,28 @@ class TestHyperVNeutronAgent(base.BaseTestCase):
             'start_flag': True}
         self.agent_state = fake_agent_state
 
-    def test_port_bound(self):
+    def test_port_bound_enable_metrics(self):
-        port = mock.Mock()
+        cfg.CONF.set_override('enable_metrics_collection', True, 'AGENT')
+        self._test_port_bound(True)
+
+    def test_port_bound_no_metrics(self):
+        cfg.CONF.set_override('enable_metrics_collection', False, 'AGENT')
+        self._test_port_bound(False)
+
+    def _test_port_bound(self, enable_metrics):
+        port = mock.MagicMock()
+        mock_enable_metrics = mock.MagicMock()
         net_uuid = 'my-net-uuid'
-        with mock.patch.object(
+
-                self.agent._utils, 'connect_vnic_to_vswitch'):
+        with mock.patch.multiple(
-            with mock.patch.object(
+                self.agent._utils,
-                    self.agent._utils, 'set_vswitch_port_vlan_id'):
+                connect_vnic_to_vswitch=mock.MagicMock(),
-                    self.agent._port_bound(port, net_uuid, 'vlan', None, None)
+                set_vswitch_port_vlan_id=mock.MagicMock(),
+                enable_port_metrics_collection=mock_enable_metrics):
+
+            self.agent._port_bound(port, net_uuid, 'vlan', None, None)
+
+            self.assertEqual(enable_metrics, mock_enable_metrics.called)
 
     def test_port_unbound(self):
         map = {

neutron/tests/unit/hyperv/test_hyperv_utilsv2.py

@@ -97,6 +97,24 @@ class TestHyperVUtilsV2(base.BaseTestCase):
         mock_svc.AddResourceSettings.assert_called_with(self._FAKE_VM_PATH,
                                                         [self._FAKE_RES_DATA])
 
+    def test_add_virt_feature(self):
+        mock_svc = self._utils._conn.Msvm_VirtualSystemManagementService()[0]
+        mock_svc.AddFeatureSettings.return_value = (self._FAKE_JOB_PATH,
+                                                    mock.MagicMock(),
+                                                    self._FAKE_RET_VAL)
+        mock_res_setting_data = mock.MagicMock()
+        mock_res_setting_data.GetText_.return_value = self._FAKE_RES_DATA
+
+        mock_vm = mock.MagicMock()
+        mock_vm.path_.return_value = self._FAKE_VM_PATH
+
+        self._utils._check_job_status = mock.MagicMock()
+
+        self._utils._add_virt_feature(mock_vm, mock_res_setting_data)
+
+        mock_svc.AddFeatureSettings.assert_called_once_with(
+            self._FAKE_VM_PATH, [self._FAKE_RES_DATA])
+
     def test_modify_virt_resource(self):
         mock_svc = self._utils._conn.Msvm_VirtualSystemManagementService()[0]
         mock_svc.ModifyResourceSettings.return_value = (self._FAKE_JOB_PATH,
@@ -220,11 +238,14 @@ class TestHyperVUtilsV2(base.BaseTestCase):
             mock_port, True))
 
         mock_acl = mock.MagicMock()
-        self._utils._get_default_setting_data = mock.MagicMock(
-            return_value=mock_acl)
-        self._utils._add_virt_feature = mock.MagicMock()
 
-        self._utils.enable_port_metrics_collection(self._FAKE_PORT_NAME)
+        with mock.patch.multiple(
+            self._utils,
+            _get_default_setting_data=mock.MagicMock(return_value=mock_acl),
+            _add_virt_feature=mock.MagicMock()):
 
-        self.assertEqual(4, len(self._utils._add_virt_feature.mock_calls))
+            self._utils.enable_port_metrics_collection(self._FAKE_PORT_NAME)
-        self._utils._add_virt_feature.assert_called_with(mock_port, mock_acl)
+
+            self.assertEqual(4, len(self._utils._add_virt_feature.mock_calls))
+            self._utils._add_virt_feature.assert_called_with(
+                mock_port, mock_acl)