Bulk backup delete

Change-Id: I100f8a302aeb498e3c0cebd8d36ef5fa437d444d

Author: lingxiankong

releasenotes/notes/wallaby-bulk-backup-delete.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Support deleting backups in batch.

troveclient/osc/v1/database_backups.py

@@ -15,8 +15,11 @@
 from osc_lib.command import command
 from osc_lib import exceptions
 from osc_lib import utils as osc_utils
+from oslo_utils import uuidutils
 
 from troveclient.i18n import _
+from troveclient.osc.v1 import base
+from troveclient import utils as trove_utils
 
 
 def set_attributes_for_print_detail(backup):
@@ -169,29 +172,42 @@ def take_action(self, parsed_args):
         return zip(*sorted(backup.items()))
 
 
-class DeleteDatabaseBackup(command.Command):
+class DeleteDatabaseBackup(base.TroveDeleter):
 
     _description = _("Deletes a backup.")
 
     def get_parser(self, prog_name):
         parser = super(DeleteDatabaseBackup, self).get_parser(prog_name)
         parser.add_argument(
             'backup',
-            metavar='<backup>',
-            help=_('ID or name of the backup.')
+            nargs='+',
+            metavar='backup',
+            help='Id or name of backup(s).'
         )
         return parser
 
     def take_action(self, parsed_args):
-        database_backups = self.app.client_manager.database.backups
-        try:
-            backup = osc_utils.find_resource(database_backups,
-                                             parsed_args.backup)
-            database_backups.delete(backup)
-        except Exception as e:
-            msg = (_("Failed to delete backup %(backup)s: %(e)s")
-                   % {'backup': parsed_args.backup, 'e': e})
-            raise exceptions.CommandError(msg)
+        db_backups = self.app.client_manager.database.backups
+
+        # Used for batch deletion
+        self.delete_func = db_backups.delete
+        self.resource = 'database backup'
+
+        ids = []
+        for backup_id in parsed_args.backup:
+            if not uuidutils.is_uuid_like(backup_id):
+                try:
+                    backup_id = trove_utils.get_resource_id_by_name(
+                        db_backups, backup_id
+                    )
+                except Exception as e:
+                    msg = ("Failed to get database backup %s, error: %s" %
+                           (backup_id, str(e)))
+                    raise exceptions.CommandError(msg)
+
+            ids.append(backup_id)
+
+        self.delete_resources(ids)
 
 
 class CreateDatabaseBackup(command.ShowOne):

troveclient/tests/osc/v1/test_database_backups.py

@@ -14,6 +14,7 @@
 
 from osc_lib import exceptions
 from osc_lib import utils
+from oslo_utils import uuidutils
 
 from troveclient import common
 from troveclient.osc.v1 import database_backups
@@ -181,25 +182,38 @@ def setUp(self):
         super(TestDatabaseBackupDelete, self).setUp()
         self.cmd = database_backups.DeleteDatabaseBackup(self.app, None)
 
-    @mock.patch.object(utils, 'find_resource')
-    def test_backup_delete(self, mock_find):
+    @mock.patch("troveclient.utils.get_resource_id_by_name")
+    def test_backup_delete(self, mock_getid):
         args = ['backup1']
-        mock_find.return_value = args[0]
+        mock_getid.return_value = args[0]
         parsed_args = self.check_parser(self.cmd, args, [])
-        result = self.cmd.take_action(parsed_args)
+        self.cmd.take_action(parsed_args)
         self.backup_client.delete.assert_called_with('backup1')
-        self.assertIsNone(result)
 
-    @mock.patch.object(utils, 'find_resource')
-    def test_backup_delete_with_exception(self, mock_find):
+    @mock.patch("troveclient.utils.get_resource_id_by_name")
+    def test_backup_delete_with_exception(self, mock_getid):
         args = ['fakebackup']
         parsed_args = self.check_parser(self.cmd, args, [])
 
-        mock_find.side_effect = exceptions.CommandError
+        mock_getid.side_effect = exceptions.CommandError
         self.assertRaises(exceptions.CommandError,
                           self.cmd.take_action,
                           parsed_args)
 
+    @mock.patch("troveclient.utils.get_resource_id_by_name")
+    def test_backup_bulk_delete(self, mock_getid):
+        backup_1 = uuidutils.generate_uuid()
+        backup_2 = uuidutils.generate_uuid()
+        mock_getid.return_value = backup_1
+
+        args = ["fake_backup", backup_2]
+        parsed_args = self.check_parser(self.cmd, args, [])
+        self.cmd.take_action(parsed_args)
+
+        mock_getid.assert_called_once_with(self.backup_client, "fake_backup")
+        calls = [mock.call(backup_1), mock.call(backup_2)]
+        self.backup_client.delete.assert_has_calls(calls)
+
 
 class TestBackupCreate(TestBackups):