Changed backup-restore to accept backup name

Edited do_backup_restore function to accept the name of the backup
as well as its id. Changed the test to comply with this.

DocImpact

Closes-Bug: #1604892

Change-Id: Iaec69dd053a119366fa5a8437701a6f7c3da2235

cinderclient/tests/unit/v2/test_shell.py

@@ -22,6 +22,7 @@ from cinderclient import client
 from cinderclient import exceptions
 from cinderclient import shell
 from cinderclient.v2 import volumes
+from cinderclient.v2 import volume_backups
 from cinderclient.v2 import shell as test_shell
 from cinderclient.tests.unit import utils
 from cinderclient.tests.unit.v2 import fakes
@@ -445,11 +446,13 @@ class ShellTest(utils.TestCase):
                           'backup-restore 1234 --volume fake_vol --name '
                           'restore_vol')
 
+    @mock.patch('cinderclient.v3.shell._find_backup')
     @mock.patch('cinderclient.utils.print_dict')
     @mock.patch('cinderclient.utils.find_volume')
     def test_do_backup_restore(self,
                                mock_find_volume,
-                               mock_print_dict):
+                               mock_print_dict,
+                               mock_find_backup):
         backup_id = '1234'
         volume_id = '5678'
         name = None
@@ -465,9 +468,16 @@ class ShellTest(utils.TestCase):
             mock_find_volume.return_value = volumes.Volume(self,
                                                            {'id': volume_id},
                                                            loaded = True)
+            mock_find_backup.return_value = volume_backups.VolumeBackup(
+                self,
+                {'id': backup_id},
+                loaded = True)
             test_shell.do_backup_restore(self.cs, args)
+            mock_find_backup.assert_called_once_with(
+                self.cs,
+                backup_id)
             mocked_restore.assert_called_once_with(
-                input['backup'],
+                backup_id,
                 volume_id,
                 name)
             self.assertTrue(mock_print_dict.called)

cinderclient/v3/shell.py

@@ -1501,7 +1501,7 @@ def do_backup_delete(cs, args):
 
 
 @utils.arg('backup', metavar='<backup>',
-           help='ID of backup to restore.')
+           help='Name or ID of backup to restore.')
 @utils.arg('--volume-id', metavar='<volume>',
            default=None,
            help=argparse.SUPPRESS)
@@ -1530,9 +1530,10 @@ def do_backup_restore(cs, args):
     else:
         volume_id = None
 
+    backup = _find_backup(cs, args.backup)
     restore = cs.restores.restore(args.backup, volume_id, args.name)
 
-    info = {"backup_id": args.backup}
+    info = {"backup_id": backup.id}
     info.update(restore._info)
 
     info.pop('links', None)