Update attach action for RSD 2.3

Change-Id: I991fa5ed9a75a528a6281bc0a387b016dcdc7736

rsdclient/osc/v2/node.py

@@ -341,17 +341,16 @@ class AttachEndpoint(command.Command):
             metavar='<resource uri>',
             help='URI of the specific resource to attach to node.')
         parser.add_argument(
-            '--capacity',
-            metavar='<size>',
-            type=int,
-            help='Required storage capacity in GiB.')
+            '--protocol',
+            metavar='<protocol>',
+            help='Specified protocol of attaching resource.')
         return parser
 
     def take_action(self, parsed_args):
         self.log.debug("take_action(%s)", parsed_args)
         rsd_client = self.app.client_manager.rsd
         rsd_client.node.attach(parsed_args.node, parsed_args.resource,
-                               parsed_args.capacity)
+                               parsed_args.protocol)
 
 
 class DetachEndpoint(command.Command):

rsdclient/tests/v2/test_node.py

@@ -106,9 +106,10 @@ class NodeTest(testtools.TestCase):
         node_uri = '/redfish/v1/Nodes/1'
         mock_node = mock.Mock()
         self.client.get_node.return_value = mock_node
-        self.mgr.attach(node_uri, 'fake uri', 10)
+        self.mgr.attach(node_uri, 'fake uri', 'protocol')
         self.mgr.client.get_node.assert_called_once_with('/redfish/v1/Nodes/1')
-        mock_node.attach_endpoint.assert_called_once_with('fake uri', 10)
+        mock_node.attach_endpoint.assert_called_once_with(
+            'fake uri', 'protocol')
 
     def test_detach(self):
         node_uri = '/redfish/v1/Nodes/1'

rsdclient/v2/node.py

@@ -70,9 +70,9 @@ class NodeManager(base.Manager):
             nodes, ["Identity", "Name", "UUID", "Description"])
         return node_info_table
 
-    def attach(self, node_uri, endpoint=None, capacity=None):
+    def attach(self, node_uri, endpoint=None, protocol=None):
         node = self.client.get_node(node_uri)
-        node.attach_endpoint(endpoint, capacity)
+        node.attach_endpoint(endpoint, protocol)
 
     def detach(self, node_uri, endpoint):
         node = self.client.get_node(node_uri)