Add 'openstack server resize (confirm|revert)' commands

These are currently exposed as flags on the 'openstack server resize'
command but they are in fact operation and should be exposed as commands
in their own right.

The old flag-based variants are deprecated for removal in 4.0.

Change-Id: I733796d3bda6c3755a3d3548bbe695abb474a6a0
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>

2 files changed, 135 insertions, 2 deletions

diff --git a/openstackclient/compute/v2/server.py b/openstackclient/compute/v2/server.py
index 3e1deed5..98829226 100644
--- a/openstackclient/compute/v2/server.py
+++ b/openstackclient/compute/v2/server.py
@@ -2096,11 +2096,66 @@ the new server and restart the old one.""")
                     self.app.stdout.write(_('Error resizing server\n'))
                     raise SystemExit
         elif parsed_args.confirm:
+            self.log.warning(_(
+                "The --confirm option has been deprecated. Please use the "
+                "'openstack server resize confirm' command instead."))
             compute_client.servers.confirm_resize(server)
         elif parsed_args.revert:
+            self.log.warning(_(
+                "The --revert option has been deprecated. Please use the "
+                "'openstack server resize revert' command instead."))
             compute_client.servers.revert_resize(server)
 
 
+class ResizeConfirm(command.Command):
+    _description = _("""Confirm server resize.
+
+Confirm (verify) success of resize operation and release the old server.""")
+
+    def get_parser(self, prog_name):
+        parser = super(ResizeConfirm, self).get_parser(prog_name)
+        parser.add_argument(
+            'server',
+            metavar='<server>',
+            help=_('Server (name or ID)'),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+
+        compute_client = self.app.client_manager.compute
+        server = utils.find_resource(
+            compute_client.servers,
+            parsed_args.server,
+        )
+        server.confirm_resize()
+
+
+class ResizeRevert(command.Command):
+    _description = _("""Revert server resize.
+
+Revert the resize operation. Release the new server and restart the old
+one.""")
+
+    def get_parser(self, prog_name):
+        parser = super(ResizeRevert, self).get_parser(prog_name)
+        parser.add_argument(
+            'server',
+            metavar='<server>',
+            help=_('Server (name or ID)'),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+
+        compute_client = self.app.client_manager.compute
+        server = utils.find_resource(
+            compute_client.servers,
+            parsed_args.server,
+        )
+        server.revert_resize()
+
+
 class RestoreServer(command.Command):
     _description = _("Restore server(s)")
 
diff --git a/openstackclient/tests/unit/compute/v2/test_server.py b/openstackclient/tests/unit/compute/v2/test_server.py
index 4a37a812..974be24c 100644
--- a/openstackclient/tests/unit/compute/v2/test_server.py
+++ b/openstackclient/tests/unit/compute/v2/test_server.py
@@ -3603,13 +3603,18 @@ class TestServerResize(TestServer):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        result = self.cmd.take_action(parsed_args)
+        with mock.patch.object(self.cmd.log, 'warning') as mock_warning:
+            result = self.cmd.take_action(parsed_args)
 
         self.servers_mock.get.assert_called_with(self.server.id)
         self.assertNotCalled(self.servers_mock.resize)
         self.servers_mock.confirm_resize.assert_called_with(self.server)
         self.assertNotCalled(self.servers_mock.revert_resize)
         self.assertIsNone(result)
+        # A warning should have been logged for using --confirm.
+        mock_warning.assert_called_once()
+        self.assertIn('The --confirm option has been deprecated.',
+                      six.text_type(mock_warning.call_args[0][0]))
 
     def test_server_resize_revert(self):
         arglist = [
@@ -3623,13 +3628,18 @@ class TestServerResize(TestServer):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        result = self.cmd.take_action(parsed_args)
+        with mock.patch.object(self.cmd.log, 'warning') as mock_warning:
+            result = self.cmd.take_action(parsed_args)
 
         self.servers_mock.get.assert_called_with(self.server.id)
         self.assertNotCalled(self.servers_mock.resize)
         self.assertNotCalled(self.servers_mock.confirm_resize)
         self.servers_mock.revert_resize.assert_called_with(self.server)
         self.assertIsNone(result)
+        # A warning should have been logged for using --revert.
+        mock_warning.assert_called_once()
+        self.assertIn('The --revert option has been deprecated.',
+                      six.text_type(mock_warning.call_args[0][0]))
 
     @mock.patch.object(common_utils, 'wait_for_status', return_value=True)
     def test_server_resize_with_wait_ok(self, mock_wait_for_status):
@@ -3710,6 +3720,74 @@ class TestServerResize(TestServer):
         )
 
 
+class TestServerResizeConfirm(TestServer):
+
+    def setUp(self):
+        super(TestServerResizeConfirm, self).setUp()
+
+        methods = {
+            'confirm_resize': None,
+        }
+        self.server = compute_fakes.FakeServer.create_one_server(
+            methods=methods)
+
+        # This is the return value for utils.find_resource()
+        self.servers_mock.get.return_value = self.server
+
+        self.servers_mock.confirm_resize.return_value = None
+
+        # Get the command object to test
+        self.cmd = server.ResizeConfirm(self.app, None)
+
+    def test_resize_confirm(self):
+        arglist = [
+            self.server.id,
+        ]
+        verifylist = [
+            ('server', self.server.id),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        self.cmd.take_action(parsed_args)
+
+        self.servers_mock.get.assert_called_with(self.server.id)
+        self.server.confirm_resize.assert_called_with()
+
+
+class TestServerResizeRevert(TestServer):
+
+    def setUp(self):
+        super(TestServerResizeRevert, self).setUp()
+
+        methods = {
+            'revert_resize': None,
+        }
+        self.server = compute_fakes.FakeServer.create_one_server(
+            methods=methods)
+
+        # This is the return value for utils.find_resource()
+        self.servers_mock.get.return_value = self.server
+
+        self.servers_mock.revert_resize.return_value = None
+
+        # Get the command object to test
+        self.cmd = server.ResizeRevert(self.app, None)
+
+    def test_resize_revert(self):
+        arglist = [
+            self.server.id,
+        ]
+        verifylist = [
+            ('server', self.server.id),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        self.cmd.take_action(parsed_args)
+
+        self.servers_mock.get.assert_called_with(self.server.id)
+        self.server.revert_resize.assert_called_with()
+
+
 class TestServerRestore(TestServer):
 
     def setUp(self):