OSC add capability to remove node/chassis_uuid

Allow to unset the field chassis_uuid from a node using the
'openstack baremetal node unset --chassis-uuid <node_uuid>'
command.
Bump last known API version to 1.25

Change-Id: Ifd82bc58667d0958fc5007b3562437b34b12a620
Related-Bug: #1563263

ironicclient/osc/plugin.py

@@ -25,7 +25,7 @@ LOG = logging.getLogger(__name__)
 
 API_VERSION_OPTION = 'os_baremetal_api_version'
 API_NAME = 'baremetal'
-LAST_KNOWN_API_VERSION = 22
+LAST_KNOWN_API_VERSION = 25
 API_VERSIONS = {
     '1.%d' % i: 'ironicclient.v1.client.Client'
     for i in range(1, LAST_KNOWN_API_VERSION + 1)

ironicclient/osc/v1/baremetal_node.py

@@ -1038,6 +1038,12 @@ class UnsetBaremetalNode(command.Command):
             help='Instance information to unset on this baremetal node '
                  '(repeat option to unset multiple instance informations)',
         )
+        parser.add_argument(
+            "--chassis-uuid",
+            dest='chassis_uuid',
+            action='store_true',
+            help=_('Unset chassis UUID on this baremetal node'),
+        )
 
         return parser
 
@@ -1077,6 +1083,9 @@ class UnsetBaremetalNode(command.Command):
             properties.extend(utils.args_array_to_patch('remove',
                               ['instance_info/' + x for x
                                in parsed_args.instance_info]))
+        if parsed_args.chassis_uuid:
+            properties.extend(utils.args_array_to_patch('remove',
+                              ['chassis_uuid']))
         if properties:
             baremetal_client.node.update(parsed_args.node, properties)
 

ironicclient/tests/unit/osc/v1/test_baremetal_node.py

@@ -1651,6 +1651,25 @@ class TestBaremetalUnset(TestBaremetal):
             [{'path': '/name', 'op': 'remove'}]
         )
 
+    def test_baremetal_unset_chassis_uuid(self):
+        arglist = [
+            'node_uuid',
+            '--chassis-uuid',
+        ]
+        verifylist = [
+            ('node', 'node_uuid'),
+            ('chassis_uuid', True)
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        self.cmd.take_action(parsed_args)
+
+        self.baremetal_mock.node.update.assert_called_once_with(
+            'node_uuid',
+            [{'path': '/chassis_uuid', 'op': 'remove'}]
+        )
+
 
 class TestValidate(TestBaremetal):
     def setUp(self):

releasenotes/notes/add-chassis_uuid-removal-possibility-5bc0bc3a7953eaa5.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - Add possibility to remove chassis_uuid for node by adding
+    '--chassis-uuid' argument to 'openstack baremetal node unset'
+    command.