Add ClearTPMOnDelete attribute in RSD 2.3 Node

Change-Id: Ibab30e5be8e3e71e905bba94b7e309a22cf95652

rsd_lib/resources/v2_3/node/node.py

@@ -50,6 +50,11 @@ class NodeActionsField(v2_1_node.NodeActionsField):
 
 class Node(v2_1_node.Node):
 
+    clear_tpm_on_delete = base.Field('ClearTPMOnDelete', adapter=bool)
+    """This is used to specify if TPM module should be cleared on composed node
+       DELETE request
+    """
+
     _actions = NodeActionsField('Actions', required=True)
 
     def _get_attach_endpoint_action_element(self):

rsd_lib/tests/unit/json_samples/v2_3/node.json

@@ -44,6 +44,7 @@
           "UEFI"]
     },
     "Oem": {},
+    "ClearTPMOnDelete": true,
     "Links": {
         "ComputerSystem": {
             "@odata.id": "/redfish/v1/Systems/System1"

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

@@ -36,6 +36,10 @@ class NodeTestCase(testtools.TestCase):
             self.conn, '/redfish/v1/Nodes/Node1',
             redfish_version='1.0.2')
 
+    def test__parse_attributes(self):
+        self.node_inst._parse_attributes()
+        self.assertEqual(True, self.node_inst.clear_tpm_on_delete)
+
     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: