Add option to specify node uuid in node-create subcommand

- node-create subcommand now includes -u or --uuid
option that allows the user to specify the uuid if
needed.

- The uuid parameter is optional

Change-Id: I1a8332689d6d5f85350877bd4ab64aa173e5d916
Closes-Bug: 1381214

ironicclient/tests/v1/test_node_shell.py

@@ -140,6 +140,14 @@ class NodeShellTest(utils.BaseTestCase):
                   }
         client_mock.node.create.assert_called_once_with(**kwargs)
 
+    def test_do_node_create_with_uuid(self):
+        client_mock = mock.MagicMock()
+        args = mock.MagicMock()
+        args.uuid = 'fef99cb8-a0d1-43df-b084-17b3b42b3cbd'
+
+        n_shell.do_node_create(client_mock, args)
+        client_mock.node.create.assert_called_once_with(uuid=args.uuid)
+
     def test_do_node_show(self):
         client_mock = mock.MagicMock()
         args = mock.MagicMock()

ironicclient/v1/node_shell.py

@@ -134,10 +134,14 @@ def do_node_list(cc, args):
     action='append',
     help="Record arbitrary key/value metadata. "
          "Can be specified multiple times")
+@cliutils.arg(
+    '-u', '--uuid',
+    metavar='<uuid>',
+    help="Unique UUID for the node")
 def do_node_create(cc, args):
     """Register a new node with the Ironic service."""
     field_list = ['chassis_uuid', 'driver', 'driver_info',
-                  'properties', 'extra']
+                  'properties', 'extra', 'uuid']
     fields = dict((k, v) for (k, v) in vars(args).items()
                   if k in field_list and not (v is None))
     fields = utils.args_array_to_dict(fields, 'driver_info')
@@ -145,7 +149,6 @@ def do_node_create(cc, args):
     fields = utils.args_array_to_dict(fields, 'properties')
     node = cc.node.create(**fields)
 
-    field_list.append('uuid')
     data = dict([(f, getattr(node, f, '')) for f in field_list])
     cliutils.print_dict(data, wrap=72)