Add device ID and device owner to port unset

This adds support to unset the device_id and
device_owner property on a port.

Change-Id: I43b1ea63e3a119f57162948e128a85f8ba323d41

openstackclient/network/v2/port.py

@@ -1317,6 +1317,18 @@ class UnsetPort(common.NeutronUnsetCommandWithExtraArgs):
             default=False,
             help=_("Clear hints for the port."),
         )
+        parser.add_argument(
+            '--device',
+            action='store_true',
+            default=False,
+            help=_("Clear device ID for the port."),
+        )
+        parser.add_argument(
+            '--device-owner',
+            action='store_true',
+            default=False,
+            help=_("Clear device owner for the port."),
+        )
         _tag.add_tag_option_to_parser_for_unset(parser, _('port'))
         parser.add_argument(
             'port',
@@ -1383,6 +1395,10 @@ class UnsetPort(common.NeutronUnsetCommandWithExtraArgs):
             attrs['binding:host_id'] = None
         if parsed_args.hints:
             attrs['hints'] = None
+        if parsed_args.device:
+            attrs['device_id'] = ''
+        if parsed_args.device_owner:
+            attrs['device_owner'] = ''
 
         attrs.update(
             self._parse_extra_properties(parsed_args.extra_properties)

openstackclient/tests/unit/network/v2/test_port.py

@@ -3015,3 +3015,43 @@ class TestUnsetPort(TestPort):
             **{'hints': None},
         )
         self.assertIsNone(result)
+
+    def test_unset_device(self):
+        testport = network_fakes.create_one_port()
+        self.network_client.find_port = mock.Mock(return_value=testport)
+        arglist = [
+            '--device',
+            testport.name,
+        ]
+        verifylist = [
+            ('device', True),
+            ('port', testport.name),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        result = self.cmd.take_action(parsed_args)
+
+        self.network_client.update_port.assert_called_once_with(
+            testport,
+            **{'device_id': ''},
+        )
+        self.assertIsNone(result)
+
+    def test_unset_device_owner(self):
+        testport = network_fakes.create_one_port()
+        self.network_client.find_port = mock.Mock(return_value=testport)
+        arglist = [
+            '--device-owner',
+            testport.name,
+        ]
+        verifylist = [
+            ('device_owner', True),
+            ('port', testport.name),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        result = self.cmd.take_action(parsed_args)
+
+        self.network_client.update_port.assert_called_once_with(
+            testport,
+            **{'device_owner': ''},
+        )
+        self.assertIsNone(result)

releasenotes/notes/port-unset-device-id-and-owner-9fce242155c82992.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Added ``--device`` and ``--device-owner`` parameter to the
+    ``port unset`` command.