Add 'server migration force complete' command

This is equivalent to novaclient's 'live-migration-force-complete'
command.

Change-Id: Ic4dc639afa16cdf8c5a46774895e850d92985292
Story: 2007513
Task: 39293

openstackclient/compute/v2/server.py

@@ -2064,6 +2064,44 @@ class AbortMigration(command.Command):
             server.id, parsed_args.migration)
 
 
+class ForceCompleteMigration(command.Command):
+    """Force an ongoing live migration to complete.
+
+    This command requires ``--os-compute-api-version`` 2.22 or greater.
+    """
+
+    def get_parser(self, prog_name):
+        parser = super(ForceCompleteMigration, self).get_parser(prog_name)
+        parser.add_argument(
+            'server',
+            metavar='<server>',
+            help=_('Server (name or ID)'),
+        )
+        parser.add_argument(
+            'migration',
+            metavar='<migration>',
+            help=_('Migration (ID)')
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        compute_client = self.app.client_manager.compute
+
+        if compute_client.api_version < api_versions.APIVersion('2.22'):
+            msg = _(
+                '--os-compute-api-version 2.22 or greater is required to '
+                'support the server migration force complete command'
+            )
+            raise exceptions.CommandError(msg)
+
+        server = utils.find_resource(
+            compute_client.servers,
+            parsed_args.server,
+        )
+        compute_client.server_migrations.live_migrate_force_complete(
+            server.id, parsed_args.migration)
+
+
 class PauseServer(command.Command):
     _description = _("Pause server(s)")
 

openstackclient/tests/unit/compute/v2/test_server.py

@@ -4263,6 +4263,57 @@ class TestServerMigrationAbort(TestServer):
             str(ex))
 
 
+class TestServerMigrationForceComplete(TestServer):
+
+    def setUp(self):
+        super(TestServerMigrationForceComplete, self).setUp()
+
+        self.server = compute_fakes.FakeServer.create_one_server()
+
+        # Return value for utils.find_resource for server.
+        self.servers_mock.get.return_value = self.server
+
+        # Get the command object to test
+        self.cmd = server.ForceCompleteMigration(self.app, None)
+
+    def test_migration_force_complete(self):
+        self.app.client_manager.compute.api_version = api_versions.APIVersion(
+            '2.22')
+
+        arglist = [
+            self.server.id,
+            '2',  # arbitrary migration ID
+        ]
+        verifylist = []
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        self.servers_mock.get.assert_called_with(self.server.id)
+        self.server_migrations_mock.live_migrate_force_complete\
+            .assert_called_with(self.server.id, '2',)
+        self.assertIsNone(result)
+
+    def test_migration_force_complete_pre_v222(self):
+        self.app.client_manager.compute.api_version = api_versions.APIVersion(
+            '2.21')
+
+        arglist = [
+            self.server.id,
+            '2',  # arbitrary migration ID
+        ]
+        verifylist = []
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        ex = self.assertRaises(
+            exceptions.CommandError,
+            self.cmd.take_action,
+            parsed_args)
+        self.assertIn(
+            '--os-compute-api-version 2.22 or greater is required',
+            str(ex))
+
+
 class TestServerPause(TestServer):
 
     def setUp(self):

releasenotes/notes/bug-2007513-ae39456aeb93bb98.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Add ``server migration force complete`` command to force complete
+    ongoing live migrations.

setup.cfg

@@ -110,6 +110,7 @@ openstack.compute.v2 =
     server_migrate_revert = openstackclient.compute.v2.server:MigrateRevert
     server_migration_list = openstackclient.compute.v2.server:ListMigration
     server_migration_abort = openstackclient.compute.v2.server:AbortMigration
+    server_migration_force_complete = openstackclient.compute.v2.server:ForceCompleteMigration
     server_pause = openstackclient.compute.v2.server:PauseServer
     server_reboot = openstackclient.compute.v2.server:RebootServer
     server_rebuild = openstackclient.compute.v2.server:RebuildServer