Add '--force' option to 'backup delete' command in volumev2

Add '--force' option to 'backup delete' command in
volumev2 (v2 only) to allow delete in state other
than error or available.

Change-Id: I661ea0d465db227e374cbacdde0206fa1a6dd3d5
Closes-Bug: #1597188

doc/source/command-objects/backup.rst

@@ -2,7 +2,7 @@
 backup
 ======
 
-Block Storage v1
+Block Storage v1, v2
 
 backup create
 -------------
@@ -53,8 +53,15 @@ Delete backup(s)
 .. code:: bash
 
     os backup delete
+        [--force]
         <backup> [<backup> ...]
 
+.. option:: --force
+
+    Allow delete in state other than error or available
+
+    *Volume version 2 only*
+
 .. _backup_delete-backup:
 .. describe:: <backup>
 

openstackclient/tests/volume/v2/test_backup.py

@@ -156,7 +156,23 @@ class TestBackupDelete(TestBackup):
 
         result = self.cmd.take_action(parsed_args)
 
-        self.backups_mock.delete.assert_called_with(self.backup.id)
+        self.backups_mock.delete.assert_called_with(self.backup.id, False)
+        self.assertIsNone(result)
+
+    def test_backup_delete_with_force(self):
+        arglist = [
+            '--force',
+            self.backup.id,
+        ]
+        verifylist = [
+            ('force', True),
+            ("backups", [self.backup.id])
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        self.backups_mock.delete.assert_called_with(self.backup.id, True)
         self.assertIsNone(result)
 
 

openstackclient/volume/v2/backup.py

@@ -92,6 +92,12 @@ class DeleteBackup(command.Command):
             nargs="+",
             help=_("Backup(s) to delete (name or ID)")
         )
+        parser.add_argument(
+            '--force',
+            action='store_true',
+            default=False,
+            help=_("Allow delete in state other than error or available")
+        )
         return parser
 
     def take_action(self, parsed_args):
@@ -99,7 +105,7 @@ class DeleteBackup(command.Command):
         for backup in parsed_args.backups:
             backup_id = utils.find_resource(
                 volume_client.backups, backup).id
-            volume_client.backups.delete(backup_id)
+            volume_client.backups.delete(backup_id, parsed_args.force)
 
 
 class ListBackup(command.Lister):

releasenotes/notes/bug-1597188-a2ff62b809865365.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Add ``--force`` option to ``backup delete`` command to allow delete
+    in state other than error or available.
+    [Bug `1597188 <https://bugs.launchpad.net/bugs/1597188>`_]