Allow update node properties in RSD 2.3

Change-Id: I15c4ffa56d17adb49188b006d0f5f3060dc495f5

rsd_lib/resources/v2_3/node/node.py

@@ -57,6 +57,25 @@ class Node(v2_1_node.Node):
 
     _actions = NodeActionsField('Actions', required=True)
 
+    def update(self, clear_tpm_on_delete):
+        """Update properties of this composed node
+
+        :param clear_tpm_on_delete: This is used to specify if TPM module
+            should be cleared on composed node DELETE request.
+        :raises: InvalidParameterValueError, if any information passed is
+            invalid.
+        """
+        if not isinstance(clear_tpm_on_delete, bool):
+            raise exceptions.InvalidParameterValueError(
+                parameter='clear_tpm_on_delete', value=clear_tpm_on_delete,
+                valid_values=[True, False])
+
+        data = {
+            'ClearTPMOnDelete': clear_tpm_on_delete
+        }
+
+        self._conn.patch(self.path, data=data)
+
     def _get_attach_endpoint_action_element(self):
         attach_endpoint_action = self._actions.attach_endpoint
         if not attach_endpoint_action:

rsd_lib/tests/unit/resources/v2_3/node/test_node.py

@@ -40,6 +40,17 @@ class NodeTestCase(testtools.TestCase):
         self.node_inst._parse_attributes()
         self.assertEqual(True, self.node_inst.clear_tpm_on_delete)
 
+    def test_update_node(self):
+        self.node_inst.update(clear_tpm_on_delete=True)
+        self.node_inst._conn.patch.assert_called_once_with(
+            '/redfish/v1/Nodes/Node1', data={'ClearTPMOnDelete': True})
+
+    def test_update_node_with_invalid_parameter(self):
+        with self.assertRaisesRegex(
+            exceptions.InvalidParameterValueError,
+            'The parameter "clear_tpm_on_delete" value "fake-value" is'):
+            self.node_inst.update(clear_tpm_on_delete='fake-value')
+
     def test__get_attach_endpoint_action_element(self):
         with open('rsd_lib/tests/unit/json_samples/v2_3/'
                   'attach_action_info.json', 'r') as f: